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Background: Both pain catastrophizing and neuropathic pain have been suggested as prospective risk factors for poor postoperative pain outcomes in total joint arthroplasty (TJA). Objective: We hypothesized that pain catastrophizers, as well as patients with pain characterized as neuropathic, would exhibit higher pain scores, higher early complication rates and longer lengths of stay following primary TJA. Methods: A prospective, observational study in a single academic institution included 100 patients with end-stage hip or knee osteoarthritis scheduled for TJA. In pre-surgery, measures of health status, socio-demographics, opioid use, neuropathic pain (PainDETECT), pain catastrophizing (PCS), pain at rest and pain during activity (WOMAC pain items) were collected. The primary outcome measure was the length of stay (LOS) and secondary measures were the discharge destinations, early postoperative complications, readmissions, visual analog scale (VAS) levels and distances walked during the hospital stay. Results: The prevalence of pain catastrophizing (PCS ≥ 30) and neuropathic pain (PainDETECT ≥ 19) was 45% and 20.4%, respectively. Preoperative PCS correlated positively with PainDETECT (rs = 0.501, p = 0.001). The WOMAC positively correlated more strongly with PCS (rs = 0.512 p = 0.01) than with PainDETECT (rs = 0.329 p = 0.038). Neither PCS nor PainDETECT correlated with the LOS. Using multivariate regression analysis, a history of chronic pain medication use was found to predict early postoperative complications (OR 38.1, p = 0.47, CI 1.047–1386.1). There were no differences in the remaining secondary outcomes. Conclusions: Both PCS and PainDETECT were found to be poor predictors of postoperative pain, LOS and other immediate postoperative outcomes following TJA.

Electronic medical records of the largest health provider in Israel, which provides health services to more than 50% of the population, were reviewed for pulled elbow cases between 2005 and 2020. Patients aged 4.5 months to 7 years were included. Demographic information, the discipline of the treating physician, and acquisition of elbow radiographs were gathered.A total of 4357 patients, 62.8% girls, were included. The average body mass index was 16.1 (SD, 1.2). Most patients were from communities in the upper half of the socioeconomic status clusters 6 to 10 (64.63%). Most patients were attended by a pediatrician (51.5%), followed by an orthopedic surgeon (19.9%). Radiographs were acquired for 570 children (13.1%). Most radiographs (36.5%) were requested by orthopedic surgeons and for children in the boundary age groups. The patient's socioeconomic status was associated with access to physicians of different subspecialties, and lower income families had a higher tendency to be treated by nonspecialized physician ( P0.001).Orthopedic surgeons use elbow radiographs much more than pediatricians; effort should aim at reducing the imaging rate for this population.

Background: As the demand for total joint arthroplasties (TJA) increases steadily, so does the pressure to train future surgeons and, at the same time, achieve optimal outcomes. We aimed to identify differences in operative times and short-term surgical outcomes of TJAs performed by co-surgeons versus a single attending surgeon. Methods: A retrospective analysis of 597 TJAs, including 239 total hip arthroplasties (THAs) and 358 total knee arthroplasties (TKAs) was conducted. All operations were performed by one of four fellowship-trained attending surgeons as the primary surgeon. The assisting surgeons were either attendings or residents. Results: In 51% of THA and in 38% of TKA, two attending surgeons were scrubbed in. An additional scrubbed-in attending was not found to be beneficial in terms of surgical time reduction or need for revision surgeries within the postoperative year. This was also true for THAs and for TKAs separately. An attending co-surgeon was associated with a longer hospital stay (p = 0.028). Surgeries performed by fewer surgeons were associated with a shorter surgical time (p = 0.036) and an increased need for blood transfusion (p = 0.033). Neither the rate of intraoperative complications nor revisions differed between groups, regardless of the number of attending surgeons scrubbed in or the total number of surgeons. Conclusion: A surgical team comprised of more than a single attending surgeon in TJAs was not found to reduce surgical time, while the participation of residents was not related with worse patient outcomes.

An “unplanned excision” refers to soft tissue sarcomas excised without planning imaging studies and a diagnostic biopsy, resulting in the presence of residual disease and usually necessitating a re-excision procedure. We aimed to assess the impact of previous unplanned excisions on the intra-operative pathologic assessment at the time of re-excision, in terms of need to perform repeat assessments and the accuracy to predict margin status of the final pathologic specimen. Data was collected for all patients with extremity soft tissue sarcoma who had undergone wide local excision limb salvage surgery or amputation between 2012 and 2017. Intra-operative pathologic assessment with frozen sections was performed in all cases and was classified as negative, negative but close (

Introduction There is no consensus regarding the optimal device for displaced intracapsular hip fractures. This retrospective study compared two techniques (1) cannulated cancellous screw (CCS), and (2) Targon Femoral Neck (TFN) plate. Materials and methods Data regarding gender, operational data, complications, pain, Quality of life and function scores were retrieved. Results 103 patients were included, 42 were treated using CCS, compared to 61 treated using TFN. Operative time shorter for CCS (p = 0.019). Complication rates were not different (p > 0.05). Conclusion As CCS method take shorter operating time and reduced costs, CCS should be used for the treatment of displaced ICHF.

Reverse oblique intertrochanteric fractures are classified by the AO/OTA as 31A3 and account for 2–23% of all trochanteric fractures. The Gamma 3-Proximal Femoral Nail (GPFN) and the Expendable Proximal Femoral Nail (EPFN) are among the various devises used to treat this fracture. The aim of this study was to compare outcomes and complication rates in patients with AO/OTA 31A1-3 fractures, treated by either a GPFN or an EPFN. A total of 67 patients (40 in the GPFN group and 27 in the EPFN group, average age 78.8 years) were treated in our institution between July 2008 and February 2016. Data on postoperative radiological variables, including peg location and tip–apex distance (TAD), as well as orthopedic complications, such as union rate, surgical wound infection and cut-outs rates were also recorded, along with the incidence of non-orthopedic complications and more surgical data. Functional results were evaluated and quantified using the Modified Harris Hip Score (MHHS) and by the Short Form 12 Mental Health Composite questionnaire (SF-12 MHC) in order to assess the quality of life. The total prevalence of postoperative orthopedic complications including postoperative infection showed a significant difference with a p-value of 0.016 in favor of the EPFN group. Nonetheless, the frequency of revision did not differ between the two groups, being 0.134. The main orthopedic complication in both groups was head cut-out of the GPFN lag screw and the EPFN expendable peg, which was 20% and 7.4%, respectively, and required a revision surgery using a long nail or total hip replacement (THR). However, the average TAD did not significantly differ between groups which might be due to a relatively low cohort to reach a significant difference. Nonunion rate of 5% occurred solely in the GPFN group, with similar results of intraoperative open reduction between both groups. The EPFN group achieved better scores in both questionnaires (p = 0.027 and p = 0.046, respectively). Both the MHHS and SF-12 MCS values significantly differed between groups, with the EPFN group achieving better scores than the GPFN group in both questionnaires (p = 0.027 and p

Fragility hip fractures are associated with increased morbidity, mortality, and costs. To improve patient care, quality indicator programs were introduced. Yet, the efficacy of these programs and specific quality indicators are questioned. We aimed to determine whether defining prophylactic pre-surgical antibiotic treatment as a quality indicator affected hip fracture outcomes.A retrospective study comparing consecutive patients, 65 years and older, who were operated for fragility hip fractures between 01/01/2011 and 30/06/2016, before and after the prophylactic pre-surgical antibiotic treatment quality indicator, which was introduced in 01/2014. Primary outcomes were 1-year surgical site infections (SSI). Secondary outcomes were meeting the quality index and mortality rates, either within a hospital or during the first post-operative year.904 patients, ages 82.5 ± 7.2 years were operated for fragility hip fractures. 403 patients presented before the antibiotic prophylaxis quality indicator, and 501 following its administration. Patients demographics were comparable. In the pre-quality indicator period, documentation of prophylactic antibiotic treatment was lacking. Only 19.6% had a record for antibiotic administration in their surgical records and for merely 10.4% the type of antibiotic was stated. However, in the post-quality indicator period, 97.0% of patients had a registered prophylactic antibiotic regimen in the hour preceding the surgical incision (p 0.001). Post-operative SSI rates were equivalent, and as were in-hospital infections, mortality and recurrent hospitalizations CONCLUSIONS: The introduction of the pre-operative antibiotic treatment quality indicator increased the documentation of antibiotic administration yet failed to influence the incidence of post-operative orthopaedic and medical infections in fragility hip fracture patients.

For patients with advanced osteoarthritis of the knee, total knee arthroplasty (TKA) has been shown to provide significant pain relief and improved function with consistent, reproducible results. Post-operative physical therapy (PT) plays an important role is restoring muscle strength and range of motion (ROM). Yet, the impact of earlier physical therapy initiation after TKA has not been well defined. We assessed 205 patients that underwent primary TKA including 136 patients who started PT on the first post-operative day (POD1) and a second group that started PT 3 days after surgery (POD3), or later. Length of hospital stay (LOS), opioid use during hospital stay, complications, re-admissions, knee ROM and the need for subsequent hospitalized rehabilitation were recorded. LOS was not significantly shorter in the early PT group, compared with the delayed PT group (6.4 ± 2.2 days vs. 6.8 ± 2 days, respectively, P = .217). Patients in the delayed PT group consumed more opioids during their inpatient stay compared with the early PT group on both POD 3 (89% vs 82%, p = 0.013) and POD 4 (81% vs 66%, p = 0.005). There was no significant difference in the incidence of Immediate post-operative complications or final knee ROM between the two groups. While early postoperative PT did not impact hospital LOS or final knee ROM, it was associated with an earlier reduction in postoperative opioid consumption after primary TKA.

Patellar dislocation is a serious complication leading to patient morbidity following total knee arthroplasty (TKA). The cause can be multifactorial. Extensor mechanism imbalance may be present and result from technical errors such as malrotation of the implants. We sought to understand the reasons for post-arthroplasty patellar dislocation and the clinical outcomes of patients in whom it occurs. This is a retrospective cohort study assessing the outcomes of revision surgery for patellar dislocation in patients with component malrotation in both primary and revision TKAs. Patient demographics, dislocation etiology, presurgical deformity, intraoperation component position, complications, reoperation, and Knee Society Scores (KSS) were collected. Twenty patients (21 knees) were identified. The average time from primary arthroplasty to onset of dislocation was 33.6 months (SD 44.4), and the average time from dislocation to revision was 3.38 months (SD 2.81). Seventeen knees (80.9%) had internal rotation of the tibial component and seven knees (33.3%) had combined internal rotation of both the femoral and tibial components. Fifteen knees (71.4%) were treated with a condylar constrained implant at the time of revision, and five knees were converted to a hinged prosthesis. The average follow-up time was 56 months. During this time, one patient (4.54%) had a recurrent dislocation episode, requiring further surgery. At final follow up, the mean KSS was 86.2. Revision TKA following patellar dislocation for patients with malrotated components was associated with high success rates. After revision surgery, patients had a low recurrence of patellar dislocation, low complication rates, and excellent functional outcomes.

Holocaust survivors (HS) were under an immense continues physical and mental stressors in their younger years, putting them at increased risk for both fragility hip fractures and worse medical and functional outcomes. We aimed to evaluate whether being a HS could affect the functional outcomes of fragility hip fractures in patients 80 years of age and older following surgery. A retrospective study comparing consecutive patients, 80 years and older, who were operated for fragility hip fractures between 2011 and 2016. HS survival status was self-defined by survivors who were born in European and northern African countries that were later occupied by the Nazi regime during World War II and experienced incarceration in concentration camps, forced labor camps and mass transport. Primary outcomes were mortality either within hospital or in the post-operative year. Secondary outcomes were in-hospital complications, recurrent hospitalizations and orthopedic complications within the post-operative year. Two hundred thirty-one HS and 339 controls, ages 86.4 ± 4.4 years who were operated for fragility hip fracture between January 2011 to June of 2016 were included in the study. Patients from both groups were of similar age, Carlson’s co-morbidity index score, leaving arrangement and pre-fracture mobility. Among HS there were more women (p = 0.029). HS did not have lower survival rates either within hospital or in the post- operative year. Both length of stay and in-hospital complication rates were similar between groups. In the post-operative year, HS were less likely to be hospitalized than controls (p = 0.021). The rate of orthopedic complications was also similar. Holocaust survivors patients do not achieve worse outcome following fragility hip fracture surgery and present distinctive resilience.

Patellofemoral pain syndrome (PFPS) is a common pathology usually presenting with anterior or retropatellar pain. It is associated with a relative imbalance between the vastus medialis oblique (VMO) and the vastus lateralis (VL) muscles. This can lead to considerable morbidity and reduced quality of life (QOL). This study aims to assess the long-term functional outcome of PFPS treated with VL muscle botulinum toxin A (BoNT-A) injection.A retrospective review was performed on 26 consecutive patients (31 knees) with a mean age of 50.1 years (± 19.7 years) who were treated with BoNT-A injections to the VL muscle followed by physiotherapy between 2008 and 2015. Pre- and post-treatment pain levels (numerical rating scale, NRS), QOL (SF-6D), and functional scores (Kujala and Lysholm questionnaires) were measured. Demographics, physical therapy compliance, previous surgeries, perioperative complications, and patient satisfaction levels were collected.The mean follow-up time was 58.8 ± 36.4 months. There were significant improvements in all the examined domains. The average pain score (NRS) decreased from 7.6 to 3.2 (P 0.01), and the Kujala, Lysholm, and SF-6D scores improved from 58.9 to 82.7 (P 0.001), 56.2 to 83.2 (P 0.001), and 0.6 to 0.8 (P 0.001), respectively. Similar delta improvement was achieved irrespective of gender, age, compliance to post-treatment physical therapy, or coexisting osteoarthritis. Patients who presented with a worse pre-treatment clinical status achieved greater improvement. Prior to BoNT-A intervention, 16 patients (18 knees) were scheduled for surgery, of whom 12 (75%, 13 knees) did not require further surgical intervention at the last follow-up.A single intervention of BoNT-A injections to the VL muscle combined with physiotherapy is beneficial for the treatment of patients with persistent PFPS.Retrospective cohort study.

Background: De Quervain (DQ) disease is caused by stenosis of the first dorsal compartment containing the abductor pollicis longus and extensor pollicis brevis. This condition affects women 6 times more than men and is also commonly reported in pregnant and lactating women. The natural course of the disease and associated risk factors are not well understood. In this study, we described the gestational risk factors associated with postpartum DQ. Methods: Sixty-three postpartum women with DQ were included in final study population. Medical records were reviewed for patient characteristics, including age, comorbidities, and body mass index (BMI), and gestational information, including length of pregnancy, gestation number, single or twin birth, and weight at birth. Odds ratio (OR) for developing DQ tenosynovitis were calculated with the control group of 630 postpartum women without DQ who gave birth between 2012 and 2020 in the same district. Results: Length of pregnancy (>40 weeks, OR = 5.81 [3.29-10.28]), first childbirth (OR = 2.23 [1.32-3.77]), and weight (BMI > 25, OR = 2.08 [1.14-3.81]) were all statistically significant risk factors associated with developing DQ. Number of fetuses > 1 (OR = 0.98 [0.29-3.33]) and birth weight more than 3.5 kg (OR = 0.60 [0.30-1.21]) were not associated with higher risk of DQ. Conclusions: Gestational risk factors associated with developing postpartum DQ include first pregnancy and long pregnancy of more than 40 weeks. Interestingly, child’s birthweight and number of fetuses, both factors that might increase load on the first dorsal compartment while holding the child, were not shown to increase the risk of postpartum DQ.

Introduction Surgical site infection (SSI) following fragility hip fracture (FHF) surgery is associated with increased morbidity and mortality. Significance Prediction of patients at risk for SSI is fundamental. We aimed to determine whether subcutaneous radiographic fat measurement (SRM) is associated with increased SSI risk. Methods A retrospective case-control comparison of SRMs at 3 locations around the hip. Patients diagnosed with SSI in the first post-operative year were matched with age, gender, surgical year, Charlsons’ co-morbidity index score, and surgical type controls, not diagnosed with SSI, at a 1:2 ratio. Measurements included the distance between (1) the sourcil to skin surface (SS), (2) the tip of the greater trochanter to skin surface (TGTS), and (3) the most prominent lateral aspect of the greater trochanter to skin surface. Results 1430 patients were operated during the study period, of whom 45 patients presented with a diagnosis of SSI and compared to 90 controls. Infections occurred 27.4 ( ± 24.8) days following surgery. SRM significantly differed between groups, and all were higher in the study group; SS, 86.8 ± 25.5 cm vs 74.2 ± 15.3 cm; TGTS, 59.8 ± 26.3 cm vs 47.0 ± 15.8 cm; and LGTS, 45.4 ± 25.1 cm vs 33.2 ± 15.1 cm ( P = .003, .004, and .004, respectively). Intraclass correlation coefficients (intra-rater) were high for all measurements (.999 for all). Intraclass correlation coefficients (inter-rater) for SS, TGTS and LGTS were high, .749 (.663.815), .792 (.719.847) and .817 (.751.866), respectively. Conclusions SRMs were found to be a valid and reproducible tool for predicting high risk of SSI in geriatric patients sustaining FHFs. Level of Evidence III.

Objective: The aim of this study was to evaluate which specific factors influence the improvement in function and to estimate the time to obtain pain relief following arthroscopic rotator cuff repair. Methods: A total of 97 patients (57 men and 40 women; mean age: 55.5 ± 9.3 years) who had arthroscopic rotator cuff repair between 2013 and 2016 were included into the study. Multivariable stepwise analysis included preoperative variables (age, gender, body mass index, comorbidities, occupation and participation in sports, Oxford shoulder score at baseline, preceding injury and duration of preoperative symptoms) and arthroscopic findings (size of rotator cuff tear, pathology of the long head of the biceps and cartilage lesions). The change in the Oxford shoulder score at the last follow-up was modeled as a function of the above predictor variables. The time to regain a visual analogue scale (VAS) under two points following surgery was considered the time to regain substantial pain relief. Results: The mean follow-up time was 33.2 ± 14.4 months. Twenty three patients had partial thickness and seventy four had full thickness supraspinatus tears. In third of the patients the tears were defined as large full thickness. At the last follow-up the mean Oxford shoulder score improved from 13.8 ± 4.8 to 42.1 ± 7.2 points (P

Pyogenic flexor tenosynovitis (PFT) of the hand is a common infection which is clinically diagnosed using Kanavel's signs. Delay in diagnosis and treatment may lead to devastating outcomes, including reduced range of motion (ROM), deformities, tendon impairment or even amputation. While the gold standard for treatment is irrigation and debridement of the flexor sheath, little is known about the outcomes of conservative treatment with intravenous (IV) antibiotics. Patients treated conservatively for PFT between 2000 and 2013 were included. Demographic information, co-morbidities and clinical features at presentation such as Kanavel's signs and inflammatory markers levels were gathered. Treatment course, length of stay (LOS), functional outcomes and complications were collected. Fifty-four (54) patients presented with PFT in the study period. Forty-six (46) patients, ages 19-84 years old, who were treated conservatively were included. Average time from symptoms onset to presentation was 4.6 ± 7.1 days. Fourteen (14) patients failed to improve with course of oral antibiotics prior to presentation. The average number of Kanavel's signs was 3 ± 0.7. Inflammatory markers were elevated in 82.2% of patients. The mean LOS was 4.7 ± 2 days. Forty-four (44) patients continued follow-up for 55 ± 45 months. Final flexion ROM was full or minimally limited in 69% of patients. Three patients were eventually operated. Complication rate for the entire cohort was 4.3% and no fingers were lost. This retrospective case series indicate that inpatient empirical IV antibiotic therapy can be considered for patients presenting with uncomplicated PFT, provided it is practiced under a hand specialist's surveillance.

The traditional treatment for chondrosarcoma is wide local excision (WLE), as these tumors are resistant to chemotherapy and radiation treatment. While achieving negative margins has traditionally been the goal of chondrosarcoma resection, multiple studies have demonstrated good short-term results after intralesional procedures for low-grade chondrosarcomas (LGCS) with curettage and adjuvant treatments (phenol application, cauterization or cryotherapy) followed by either cementation or bone grafting. Due to the rarity of this diagnosis and the recent application of this surgical treatment modality to chondrosarcoma, most of the information regarding treatment outcomes is retrospective, with short or intermediate-term follow-up. The aim of this study was to assess the long-term results of patients with LGCS of bone treated with intralesional curettage (IC) treatment versus WLE. This retrospective analysis aims to characterize the oncologic outcomes (local recurrence, metastases) and functional outcomes in these two treatment groups at a single institution. Using an institutional musculoskeletal oncologic database, we retrospectively reviewed medical records of all patients with LGCS of the appendicular skeleton that underwent surgical treatment between 1985 and 2007. Thirty-two patients (33 tumors) were identified with LGCS; 17 treated with IC and 15 with WLE. Seventeen patients (18 tumors) with a minimum clinical and radiologic follow-up of 10 years were included. Nine patients were treated with IC (four with no adjuvant, three with additional phenol, one with liquid nitrogen and one with H2O2) with either bone graft or cement augmentation, and nine others were treated with WLE and reconstruction with intercalary/osteoarticular allograft or megaprosthesis. The mean age at surgery was 41 years (range 14–66 years) with no difference (p = 0.51) between treatment cohorts. There was a mean follow-up of 13.5 years in the intralesional cohort (range 10–19 years) and 15.9 years in the WLE cohort (range 10–28 years, p = 0.36). Tumor size varied significantly between groups and was larger in patients treated with WLE (8.2 ± 3.1 cm versus 5.4 ± 1.2 cm, at the greatest dimension, p = 0.021). There were two local recurrences (LR), one in the intralesional group and one in the wide local excision group, occurring at 3.5 months and 2.9 years, respectively, and both required revision. No further LR could be detected with long-term follow-up. The MSTS score at final follow-up was significantly higher for patients managed with intralesional procedures (28.7 ± 1.7 versus 25.7 ± 3.4, p = 0.033). There were less complications requiring reoperation in the intralesional group compared with the wide local excision group, although this difference was not found to be statistically significant (one versus four patients, respectively; p = 0.3). This series of low-grade chondrosarcoma, surgically treated with an intralesional procedures, with 10-year follow-up, demonstrates excellent local control (88.9%). Complications were infrequent and minor and MSTS functional scores were excellent. Wide resection of LGCS was associated with lower MSTS score and more complications. In our series, the LR in both groups were detected within the first 3.5 years following the index procedure, and none were detected in the late surveillance period.

Hip fractures in elderly patients are a major cause of morbidity and mortality. Variability in length of hospital stay (LOS) was evident in this population. The coronavirus disease-2019 (COVID-19) pandemic led to prompt discharge of effected patients in order to reduce contagion risk. LOS and discharge destination in COVID-19 negative patients has not been studied.To evaluate the LOS and discharge destination during the COVID-19 outbreak and compare it with a similar cohort in preceding years.A retrospective study was conducted comparing a total of 182 consecutive fragility hip fracture patients operated on during the first COVID-19 outbreak to patients operated on in 2 preceding years. Data regarding demographic, co-morbidities, surgical management, hospitalization, as well as surgical and medical complications were retrieved from electronic charts.During the pandemic 67 fragility hip fracture patients were admitted (COVID group); 55 and 60 patients were admitted during the same time periods in 2017 and 2018, respectively (control groups). All groups were of similar age and gender. Patients in the COVID group had significantly shorter LOS (7.2 ± 3.3 vs. 8.9 ± 4.9 days, P = 0.008) and waiting time for a rehabilitation facility (7.2 ± 3.1 vs. 9.3 ± 4.9 days, P = 0.003), but greater prevalence of delirium (17.9% vs. 7% of patients, P = 0.028). In hospital mortality did not differ among groups.LOS and time to rehabilitation were significantly shorter in the COVID group. Delirium was more common in this group, possibly due to negative effects of social distancing.

Flexible flatfoot (FF) is a common foot deformity that can often consist of foot pain. Surgical treatment is designed to lengthen the lateral column.To resolve whether radiographic standing feet measurements of normo-plantigrade feet and FF, symptomatic or not, differ and to determine whether the lateral column is shorter.The study comprised 72 patients (127 feet) consecutive patients, 18 years of age and older, who were divided into three groups: normal feet (56), asymptomatic FF (29), and symptomatic FF (42). All patients had a standing anterior posterior (AP) and lateral radiographs. AP images were used for the measurement of the talocalcaneal angle, talar-1st metatarsal angle, and talonavicular coverage. Lateral X-rays were used to estimate the talocalcaneal angle, talar-1st metatarsal angle, calcaneal pitch, naviculocuboid overlap, and column ratio.All three of the AP radiograph measurements differed among groups, and higher values were measured in the symptomatic FF group. Post hoc analysis found that the talonavicular coverage and the talocalcaneal angles also differed between symptomatic and asymptomatic FF patients. While some lateral measurements differed within groups, only the lateral talar-1st metatarsal angle distinguished between asymptomatic and symptomatic patients. The lateral column length was not found to be shorter among FF patients, weather symptomatic or not.Only the talonavicular coverage, the AP talocalcaneal, and the lateral talar-1st metatarsal angles were found to differ between asymptomatic and symptomatic FF patients. The lateral column was not found to be shorter.

The collapse of the Syrian healthcare system during the civil war led numerous citizens to cross the Syrian-Israeli border to seek medical care.To describe the epidemiology of peripheral nerve injuries (PNIs) sustained in war, their management, and short-term outcomes.A retrospective case series study was conducted on 45 consecutive patients aged 25.7 ± 9.3 years. These patients were referred to the hand surgery unit of the department of orthopedic surgery and traumatology at Galilee Medical Center between December 2014 and June 2018. Median time between injury and presentation was 60 days. Injury pattern, additional injuries, surgical findings and management, complications, and length of hospital stay were extracted from medical records.Most injuries were blast (55.6%) followed by gunshot injuries (37.8%). There were 9 brachial plexus injuries, 9 sciatic nerve injuries, and 38 PNIs distal to the plexus: specifically 20 ulnar, 11 median, and 7 radial nerve injuries. In the latter group, neurotmesis or axonotmesis was found in 29 nerves. Coaptation was possible in 21 nerves necessitating cable grafting in 19. A tendon transfer was performed for 13 peripheral nerves, occasionally supplementing the nerve repair. The patients returned to their country after discharge, average follow-up was 53.6 ± 49.6 days.For nerve injuries sustained in war, early surgical treatment and providing adequate soft tissue conditions is recommended. Tendon transfers are useful to regain early function.

Purpose To assess whether intracapsular and extracapsular hip fracture patients in a post-acute rehabilitation setting differ in their background characteristics and whether fracture type affects rehabilitation outcome. Methods A retrospective cohort study. Outcome measures Functional Independence Measure (FIM), motor FIM (mFIM), mFIM effectiveness, length of stay (LOS), and discharge destination. Various tests assessed associations (the Mann-Whitney U, the chi-square, logistic regression), population differences (t-test), and independent predictors of discharge FIM score (multiple linear regression model). Results Six hundred and eighty-seven patients completed the rehabilitation program. The intracapsular hip fracture patient group was characterized by significantly higher percentages of males, higher education levels, and living with a caregiver compared with the extracapsular hip fracture patient group. Intracapsular hip fracture patients were younger, had longer latency time from fracture to surgery, exhibited higher functional levels on admission and upon discharge, higher cognitive function and shorter rehabilitation time than extracapsular hip fracture patients. Both study groups possessed similar comorbidities, rehabilitation achievements, and discharge destination. Regression analyses showed that the fracture type was not associated with discharge FIM score, nor with the probability of achieving a favorable functional gain. Conclusions Post-acute extracapsular and intracapsular hip fracture patients are demographically and clinically two distinct subpopulations. Nevertheless, given additional time, extracapsular hip fracture patients will attain similar functional achievements as intracapsular hip fracture patients.Implications for rehabilitationPost-acute extracapsular and intracapsular hip fracture patients are demographically and clinically two distinct subpopulations.Given additional time, extracapsular hip fracture patients can attain similar functional achievements as intracapsular hip fracture patients.

An "unplanned excision" refers to soft tissue sarcomas excised without planning imaging studies and a diagnostic biopsy, resulting in the presence of residual disease and usually necessitating a re-excision procedure. We aimed to assess the impact of previous unplanned excisions on the intra-operative pathologic assessment at the time of re-excision, in terms of need to perform repeat assessments and the accuracy to predict margin status of the final pathologic specimen.Data was collected for all patients with extremity soft tissue sarcoma who had undergone wide local excision limb salvage surgery or amputation between 2012 and 2017. Intra-operative pathologic assessment with frozen sections was performed in all cases and was classified as negative, negative but close ( 1 mm), and positive.A total of 173 patients with extremity soft tissue sarcoma were included, 54 in the unplanned excision group and 119 in the planned excision group. The accuracy of intra-operative pathologic assessment to predict the margin status on final pathology was similar between groups (87% unplanned vs. 90.7% planned excisions). However, the need for repeat intra-operative pathologic assessment and subsequent resection due to microscopically positive margins was found to be higher within the unplanned excision group ((p = 0.04), OR = 3.2 (95% CI: 1.1-9.1, p = 0.048)).Intra-operative pathologic assessment of resection margins had a similar accuracy in planned and unplanned excisions; however, unplanned excisions showed a higher risk of re-resection during the same surgical setting.

An increasing number of patients sustaining a fragility hip fracture (FHF) have either an active diagnosis or a history of cancer. However, little is known about the outcomes of non-malignant related FHF in this group of patients. We aimed to evaluate the mortality and complications rates during hospitalization, as well as at 1-year follow-up within this population. A retrospective cohort study of patients 65 years of age and above, who underwent surgery for the treatment of proximal femoral fractures between January 2012 and June 2016 was conducted. Patients diagnosed with malignancies, both solid (Carcinomas) and a hematological neoplasias (Lymphomas, Multiple Myeloma) were included, along with consecutive controls without a diagnosis of cancer in the 5 years prior to the study period. Demographic, clinical and radiographic parameters were recorded and analyzed. Seven hundred and fifty-two patients with FHF were included, of whom 51 had a malignancy diagnosis within the 5-year period preceding the fracture (18% metastatic disease). The mean time from malignancy diagnosis to FHF was 4.3 ± 4.8 years. Time to surgery did not differ between groups, and the vast majority of patients from both groups (over 87%) were operated within the desirable 48 h from admission. Patients with malignancy had a higher probability of being admitted to an internal medicine department both pre and post-surgically (p

To define risk factors for rehospitalization following fragility hip fractures and to create a predictive model. A retrospective cohort study of patients 65 years and older, who were treated operatively following fragility hip fractures between 01.2011 and 06.2016. Patients were allocated into two study groups based on the occurrence of recurrent hospitalizations in the year following surgery. Demographic information, comorbidities, and in-hospital characteristics were collected, as was information regarding 1-year readmissions. Multivariate analysis of factors predictive of rehospitalizations was performed, followed by a logistic regression using all predictors with p

Early surgical treatment is recommended to reduce morbidity and mortality in patients with fragility hip fractures. Anticoagulation treatment poses a surgical challenge. While the action of vitamin K antagonists (VKAs) can be reversed, for direct oral anticoagulants (DOACs) antidote is only available for dabigatran. We aimed to assess the outcomes of patients treated with VKAs or DOACs undergoing surgical treatment for fragility hip fractures.A retrospective study of patients presenting with proximal femoral fractures between January 2012 and June 2016. Patients with VKAs received vitamin-K. Primary outcomes were 1-year and in-hospital mortality. Secondary outcomes were time to surgery, in-hospital complications, need for blood transfusions and 1-year readmissions.Seven-hundred seventy-nine patients (796 hips) were included; 103 received VKAs, 47 DOACs and 646 no-anticoagulation. No difference between the 3 groups was noted with respect to patients' demographics or surgery type. Charlson's comorbidity index was higher for the DOACs group. Patients under anticoagulation were delayed to theater (Surgery 48 h in 51% DOACs and 59% VKAs patients vs. 92% of no-anticoagulation, p 0.001). Neither in-hospital nor 1-year mortality differed between groups. No other outcome measures differed, except for more wound infections in VKAs patients.While preoperative anticoagulation delays surgery following fragility hip fractures, this delay was not found to be related to increased morbidity or mortality. DOACs-treated patients did not have adverse outcomes compared to VKAs-treated patients despite the irreversibility of their treatment.

To compare the outcome, recovery and surgical findings after shoulder arthroscopy of clinically defined traumatic and non-traumatic rotator cuff pathology in middle-aged patients. Of the patients who underwent rotator cuff surgery, 37 patients who reported a preceding shoulder injury related to their shoulder symptoms (traumatic group) were compared to a control group of 58 patients without a preceding injury (non-traumatic group), matched by age, body mass index and comorbidities. Data included demographic details, patient history, surgical findings, the Oxford Shoulder Score questionnaires and overall satisfaction from surgery. The mean follow-up time was 33.2 ± 14.4 months. More concomitant pathologies were found in the study group. The proportion of large and massive supraspinatus tears was double in the study group (43%) compared to the control group (22%). The Oxford Shoulder Score (OSS) improved significantly after surgery in both groups (p

Implant-related spinal infections are a surgical complication associated with high morbidity. Due to infection, hardware removal may be necessary, which could lead to pseudarthrosis and the loss of stability and alignment.To evaluate the accuracy and diagnostic value of 18F-fluorodeoxyglucose positron-emission tomography/computed tomography (18F-FDG PET/CT) in the workup of patients with suspected implant-related infections of the spine and to assess the clinical impact of PET/CT results on the management of these infections.The study included nine consecutive patients with a history of spinal surgery who underwent PET/CT for evaluation of suspected spinal implant related infection. All imaging studies were performed between January 2011 and December 2013. All 18F-FDG PET/CT scans were performed on an 8 slice PET/CT following an 18F-FDG injection. Images were scored both visually and semi-quantitatively by a radiology expert. Results were compared to additional imaging studies when available, which were correlated to clinical and bacteriological findings allowing calculation of sensitivity, specificity and accuracy.Among the patients, five experienced hardware-related spinal infection. 18F-FDG PET/CT sensitivity was 80%, specificity 100%, and accuracy 88.9%. One scan produced a false negative; however, a second PET/CT scan revealed an infection.PET/CT was found to be valuable for the diagnosis of postoperative hardware-related spinal infection, especially when other imaging modalities were uninformative or inconclusive. As such, PET/CT could be useful for management of infection treatment.

OBJECTIVES Surgical site infection (SSI) is a devastating complication of proximal femoral fracture surgery, related with an increased morbidity and mortality. As warfarin treatment has been described as a risk factor for SSI, we aimed to compare patient and SSI characteristics in warfarin and nonanticoagulated patients. DESIGN Retrospective cohort study. SETTING Level-1 trauma center. PATIENTS Individuals 65 years of age and older with fragility hip fractures. INTERVENTION Patients were divided into 2 cohorts: warfarin treated (n = 85) or nonanticoagulated (n = 771). Demographics, in-hospital characteristics, laboratory data, prior hospitalizations, recent antibiotic use, and 1-year incidence of SSIs and their characteristics were gathered. MAIN OUTCOME MEASURES Postoperative SSIs. RESULTS Twelve patients (14.1%) from the warfarin group and 21 patients (2.7%) from the noncoagulated group had SSI (P < 0.001). Both groups were comparable in terms of demographics and Charlson comorbidity score. Warfarin-treated patients had reduced white blood and neutrophils counts (10.1 ± 3.2 vs. 11.6 ± 4.0 cells/mm and 8.1 ± 3.2 vs. 9.6 ± 3.9 cells/mm for both comparisons respectively; P < 0.001 for both). They were more likely to be admitted to a geriatric ward than to orthopedics ward and were delayed to theater (58.5 ± 44.5 vs. 30.6 ± 27.4 hours; P < 0.001). Following surgery, there was no difference in blood transfusions required, in-hospital complications, or time to infection. Rates of prior hospitalizations, antibiotic use, or type of bacteria did not differ. CONCLUSIONS Warfarin treatment in fragility hip fracture surgery is correlated with an increased risk for SSI, regardless of in-hospital complications, and hospitalizations before surgery or to the infection itself. LEVEL OF EVIDENCE Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.

The use of renin–angiotensin–aldosterone system inhibitors has increased over the past few years. There are conflicting data as to their relationship with acute kidney injury following surgery. The objective of the article was to evaluate the risk of acute kidney injury in diabetic older patients treated with angiotensin-converting enzyme inhibitors or angiotensin receptor blockers and their medical outcomes following fragility hip fracture surgery. Consecutive diabetic patients presenting with fragility hip fractures to our primary trauma center between January 2012 and June 2016 were included. Demographic and clinical data, including co-morbidities, medication use, and laboratory results, were collected from the electronic medical records. The primary outcome was the incidence of acute kidney injury; the secondary outcome was 1-year mortality. Two hundred and seventeen patients were included; 125 were receiving treatment with medications targeting the renin–angiotensin–aldosterone system. Demographic and clinical characteristics were similar between groups. No association was found between the use of angiotensin-converting enzyme inhibitors/angiotensin receptor blockers and the risk of acute kidney injury, which occurred in 25% of the cohort. Univariate analysis revealed that diuretic use, particularly furosemide, increased the risk of acute kidney injury during hospitalization (p = 0.003). However, in a multivariate analysis, only age and estimated glomerular filtration rates were associated with an increased risk of acute kidney injury. Patients with acute kidney injury were found to have increased mortality during the first post-operative year (p

Aims: Diabetes mellitus (DM) and osteoporosis are both diseases of epidemic proportions with an increasing incidence worldwide. Fragility hip fractures (FHF) are associated with elevated morbidity, mortality, social burden and medical costs. The aim of this study was to determine whether patients with DM have worse medical and surgical outcomes following FHFs and whether the Diabetes Complications Severity Index (DCSI) can predict in-hospital complications and one-year mortality. Methods: A single centre retrospective cohort study including 1343 patients older than 65 years who underwent surgery for FHFs was conducted. The data collected included length of hospital stay, time-to-surgery, blood loss, complications and mortality during the first post-operative year. Results: 408 patients with a DM diagnosis were compared with 935 without DM. Pre-operatively, patients with DM had lower haemoglobin levels, higher platelet counts and worse renal function. Following surgery, patients with DM were more likely to be transferred to another department or intensive care. One-year mortality was significantly higher in the DM group [23.3% vs. 17.1%, odds ratio 1.36 (CI 1.029–1.799, p = 0.03)]. Higher DCSI scores were related with elevated one-year mortality rates in the DM group. Cerebrovascular events were found to be nearly five times more prevalent in the DM group. Patients with DM were more likely to continue treatment in a rehabilitation centre and had a higher probability to be re-hospitalized in the first post-operative year (p. Conclusions: Our results emphasize the increased vulnerability of this patient population and the importance of specialized care during the peri-operative period of FHFs.

The objective of this study was to quantify the amount of ensuing internal rotation of the tibial component when positioned along the medial border of the tibial tubercle, thus establishing a reproducible intraoperative reference for tibial component rotational alignment during total knee arthroplasty (TKA). The angle formed from the tibial geometric centre to the intersection of both lines from the middle of the tibial tuberosity and its medial border was measured in 50 patients. The geometric centre was determined on an axial CT slice at 10 mm below the lateral tibial plateau and transposed to a slice at the level of the most prominent part of the tibial tuberosity. Similar measurements were taken in 25 patients after TKA, in order to simulate the intraoperative appearance of the tibia after making its proximal resection. This angle was found to be similar (n.s.) in normal and post-TKA tibiae [median 20.4° (range 15°–24°) vs. 20.7° (range 16°–25°), respectively]. In 89.3 % of the patients, the angle ranged from 17° to 24°. No statistical difference (p n.s.) was found between women and men in both normal [median −20.7° (range 16°–25°) vs. 19.9° (range 15°–24°)] and post-TKA tibiae [median 21.4° (range 19°–24°) vs. 20° (range 16°–25°)]. This study found that in 90 % of the patients, the medial border of the tibial tuberosity is internally rotated 17°–24° in relation to the line connecting the middle of the tuberosity to the tibial geometric centre. Since this anatomical landmark may be more easily identifiable intraoperatively than the commonly used “medial 1/3”, it can provide a better quantitative reference point and help surgeons achieve a more accurate tibial implant rotational position. Cohort and case control studies, Level III.

The Mayo metaphysical conservative femoral stem (Zimmer, Warsaw, Indiana) is a wedge-shaped implant designed to transfer loads proximally, reduce femoral destruction, and enable the preservation of bone stock in the proximal femur. Thus, it is a potentially preferred prosthesis for active, non-elderly patients who may require additional future surgeries. This retrospective case study analyzed the outcomes of consecutive patients who underwent total hip replacements with this stem between May 2001 and February 2013. All patients underwent clinical assessment, radiological evaluation for the presence and development of radiolucent lines, and functional assessment (numerical analog scale, Harris hip score, and Short Form-12 questionnaire). Ninety-five hips (79 patients) were available for analysis. The patients' mean age was 43 years (range, 18–64 years), and the mean follow-up was 97 months (range, 26.9–166 months). The postoperative clinical assessments and functional assessments revealed significant improvements. Sixteen patients (20.3%) had 18 orthopedic complications, the most common of which were an intraoperative femoral fracture and implant dislocation requiring revision surgeries in 10 hips (10.5%). Radiological analysis revealed evidence of femoral remodeling in 64 (67.4%) implants, spot welds (neocortex) in 35 (36.8%), and osteolysis in 3 (3.2%). These results suggest that the conservative hip femoral implant has an unacceptable complication rate for non-elderly patients. [ Orthopedics . 2018; 41(4):e516–e522.]

Background Functional scores and radiographs are often used to assess function and predict development of osteoarthritis in patients with multi-fragmentary tibial plateau fractures (TPFs). Locomotion, which is the primary goal of fracture treatment, is rarely assessed. The objective of this study was to assess functional ability of patients after TPF fixation using spatio-temporal gait analysis (STGA), and to compare STGA variables with self-reported functional scores and preoperative fracture characteristics. Methods Preoperative CT scans of 21 patients with complete articular multi-fragmentary TPFs were evaluated for number of fragments, maximum gap between the fragments and maximum articular depression. All patients underwent STGA (velocity, cadence, step length of the affected and the unaffected leg, single-limb support by the affected and the unaffected leg, and double-leg support) and filled the Knee Society Score and the Short Form-12 questionnaires on average 3 years (SD = 1.56, range, 2–5.8) post-injury. Findings Step length and single-limb support time of the affected leg were shorter compared to the unaffected leg (p = 0.02 and p = 0.007, respectively). Number of fracture fragments correlated with cadence (R = −0.461, p = 0.04) and velocity (R = −0.447, p = 0.04). Interpretation Given that both higher fracture comminution and deformity on the one hand and the above gait parameter alterations on the other hand are associated with knee osteoarthritis, STGA may be used for routine postoperative evaluation of patients after TPF fixation.

Accurate pulse oximetry reading at hospital admission is of utmost importance, mainly for patients presenting with hypoxemia. Nevertheless, there is no accepted or evidence-based protocol for such structured measuring.To devise and assess a structured protocol intended to increase the accuracy of pulse oximetry measurement at hospital admission.The authors performed a prospective comparison of protocol-based pulse-oximetry measurement with non-protocol based readings in consecutive patients at hospital admission. They also calculated the relative percentage of improvement for each patient (before and after protocol implementation) as a fraction of the change in peripheral capillary oxygen saturation (SpO2) from 100%.A total of 460 patients were recruited during a 6 month period. Implementation of a structured measurement protocol significantly changed saturation values. The SpO2 values of 24.7% of all study participants increased after protocol implementation (ranging from 1% to 21% increase in SpO2 values). Among hypoxemic patients (initial SpO290%), protocol implementation had a greater impact on final SpO2 measurements, increasing their median SpO2 readings by 4% (3-8% interquartile range; P0.05). Among this study population, 50% of the cohort improved by 17% of their overall potential and 25% improved by 50% of their overall improvement potential. As for patients presenting with hypoxemia, the median improvement was 31% of their overall SpO2 potential.Structured, protocol based pulse-oximetry may improve measurement accuracy and reliability. The authors suggest that implementation of such protocols may improve the management of hypoxemic patients.

This study examined the success and factors associated with failure, of using cement spacers impregnated with high-dose Ceftazidime and Vancomycin when performing two-stage revision for infected total knee arthroplasty (TKA).A retrospective analysis was performed using a prospectively collected database of 82 patients (median age 68 years, range 39-87) with a confirmed deep TKA infection treated with a two-stage revision. All cement spacers were impregnated with high-dose Ceftazidime and Vancomycin. The rate of success was recorded-an association between failure of treatment, and patient factors, previous surgical treatment, and microbial characteristics was sought.The mean time to infection from index arthroplasty was 45 months (range 3-240). The initial two-stage revision was successful in 70/82 patients (85.4 %), who remained free of infection at average follow-up of 36.2 months (range 24-85). A second two-stage revision for infection was required in 12/82 patients (14.6 %), which was successful in 4/12 (33 %). A third two-stage revision was performed in three patients, all of whom had a polymicrobial infection of which only one patient had successful eradication of infection. Recurrent infection was correlated with irrigation and debridement with implant retention prior to initial two-stage revision (p 0.01), polymicrobial infections (p = 0.035), and infections presenting6 months after index surgery (p = 0.031). No correlation was seen with age, BMI, type of organism, diabetes mellitus, or Charlson Comorbidity Index.The findings of this study suggest that the combination of Ceftazidime and Vancomycin in cement spacers is as efficacious as other published single or combined antibiotic mixtures, which is clinically relevant to clinicians treating this difficult problem in the setting of patients with compromised renal function.

Post-operative physiotherapy (PT) following fragility hip fractures is intended to improve balance, gait, and muscle strength for enhanced functional outcomes. This study aims to assess whether postponing initiation of PT effects patients’ outcomes during hospitalization and in the first 3 months following discharge. A retrospective study comparing consecutive patients, 65 years and older, who were operated for fragility hip fractures between 2011 and 2016, within 48 h from admission, and started PT treatment either in the first post-operative day (POD1) or later (POD2-5). Patients were operated upon as soon as medically possible and in accordance with theater availability. All surgeries were performed outside of workday hours (either in the afternoon or during the weekend). Group allocation was established corresponding with the surgical day, as PT services are unavailable during weekends and holidays, and surgeries were performed daily. Primary outcomes were mortality either within hospital or in the post-operative year. Secondary outcomes were in-hospital complications, recurrent hospitalizations, and orthopedic complications within 3 months. 747 patients were included in the study; 525 patients started PT at POD1 and 222 had delayed PT. Patients’ demographics, living arrangements, age-adjusted Charlsons’ co-morbidity index, mobility, hemoglobin levels, and implant type were comparable. In-hospital mortality was significantly higher for the delayed PT group, 6.8 vs. 3.2% (OR 2.2, 95% CI 1.06–4.42, p value 0.034). One-year mortality, in-hospital complications, and the average number of 3 months’ recurrent hospitalizations did not differ between groups. A trend for more orthopedic complications was noted in the delayed PT group (p = 0.099), and patients from this group were readmitted more often due to orthopedic surgery-related reasons (p = 0.031). Post-operative delay in PT following fragility hip fracture surgery was related to increased risk for in-hospital mortality.

Alcohol intoxication in infants is a life-threatening condition which requires early diagnosis and treatment. It may lead to multi-system injury, including mental deterioration, respiratory depression, cardiac arrhythmia, metabolic disorders and hypothermia. We present the case of an eight weeks old female infant who was admitted to the pediatric emergency department after ingesting 40 ml of vodka with her baby formula. She was initially apathetic, with blood alcohol levels of 149 mg/dl, yet fully recovered after a short period of time. We present this case in order to increase awareness of the possibility of alcohol intoxication in young infants.

The prevalence of overweight and obesity in the western world is growing, and with it there is a growing number of patients with osteoarthritis, a condition that leads to pain and disability. The association between body weight and osteoarthritis is mediated by both mechanical and humeral factors such as growth factors, hormones and mediators of the immune system. This review will present the mechanisms which lead to osteoarthritis, and will discuss available treatments which are suitable for the overweight and obese population, along with promising emerging new treatments.

Introduction Hip fractures in the elderly are a major cause of morbidity and mortality. The treatment settings of these patients may change their outcomes. The aim of this study is to compare the outcomes of patients with displaced femoral neck fractures who were admitted to the orthopedic vs. geriatric wards. Patients and methods A retrospective study was conducted on 217 consecutive older patients with 219 displaced femoral neck fractures admitted either to the orthopedic or the geriatric ward between Jan. 2013 and Jun. 2015. Information regarding demographic, medical history, surgical management, hospitalization, and one year readmissions and mortality data was retrieved from electronic charts. Results 102 hemiarthroplasty patients were admitted to the orthopedic ward and 117 to the geriatric ward. Patients' characteristics, including age, living arrangements, mobility status and the Charlson Comorbidity Index were similar between groups. Patients from the orthopedic ward had shorter hospitalization time (9 ± 5.1 vs. 10.8 ± 6.7 days, p = 0.022) and presented a lower in-hospital complication rates (0.6 ± 0.96 vs. 1 ± 1.9, p = 0.022), namely fewer events of urinary retentions, urinary tract infections and pneumonias (8.8% vs. 23.9%, p = 0.004, 3.9% vs. 14.5%, p = 0.010 and 2.9% vs. 12.2%, p = 0.034, respectfully). Readmission rates were similar. Neither in hospital nor one year mortality rates differed between groups. Conclusions Our study found that geriatric care was not superior to orthopedic directed management in the treatment of elderly patients with hip fractures in terms of in-hospital complications, and hospitalization times.

Background Valgus cut angle (VCA), defined as the angle between the anatomical and the mechanical axes of femur, is an important parameter upon which a critical step of knee arthroplasty is based. Some variables have been proposed to affect the magnitude of this cut. However, little information is available regarding whether a generic value can be used, or if a patient-specific value from a long leg X-ray, or factors that can be determined preoperatively, is necessary to accurately set the VCA. Methods Standard standing 3-joint views were used to measure a number of anatomical measurements in 358 limbs, 202 patients (116 women, 86 men). Neck-shaft angle, medial offset, femoral length (FL), distal femoral articular angle, and VCA were measured. Demographic data including gender and height were extracted from hospital charts. The correlation of VCA with each of the other factors was evaluated using linear regression and t-test and finally multivariate analysis. Results The average VCA was 5.76° (range 4-8). Gender and distal femoral articular angle were not related to VCA ( P = .343 and .995). FL was found to be a function of height with similar effects on multivariate analysis. Only the height (or FL) and femoral offset were identified as independent factors, with a negative correlation for the former ( P P Conclusion Femoral offset and height are the 2 independent factors determining VCA. Other parameters are indirectly related to these 2 factors. Tall patients with a small femoral offset have smaller VCA and short patients with a large offset have larger VCA. The wide variety of VCA values does not support using a generic value for all patients during knee arthroplasty.

Background Antibiotic-loaded cement spacers in first-stage revision total hip arthroplasty (THA) for managing infection are associated with high dislocation and fracture rates. The aim of this study was to report the use of an antibiotic-loaded cemented supra-acetabular roof augmentation to reinforce hip stability after cement spacer insertion for first-stage total hip revision in the treatment of infected THA. Methods We retrospectively reviewed a consecutive series of 50 THAs involving 47 patients with an infected hip requiring staged revisions of THA. We documented dislocation, reinfection, and time for revision and outcome. Results There were no cases of hip dislocation, cement fractures, or any other technical complications associated with the use of the roof augmentation lip. Thirteen cases (26%) had a cemented spacer for longer than 120 days. Seven (14%) cases had recurrent infection after staged revision THA. Conclusion The antibiotic-loaded cemented supra-acetabular roof augment improved femoral head spacer coverage for patients requiring a staged revision THA for infection.

Introduction: Pulmonary alveolar proteinosis (PAP) is a rare disease, associated with excess accumulation of surfactant proteins and lipids in the alveoli. Clinical presentation: We report the case of a 46-year-old woman with a combined presentation of PAP, myelodysplasia and recurrent miscarriages. Conclusions: The concomitant presentation of the above might be compatible with a mutation of the haematopoietic transcription factor gene GATA2.