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We report the case of a 58-year-old woman who presented with rapidly destructive osteoarthritis (RDO) of the hip that had been causing her severe pain and disability. By the time of presentation to our institution, she had a significant leg length discrepancy resulting from extensive destruction of the posterior acetabular wall, posterior column, and femoral head with a superiorly migrated femoral shaft. She underwent structural acetabular allograft augmentation of the pelvis re-enforced with a locking plate, concomitant total hip replacement with dual mobility implants, and extensive soft tissue releases to restore length to the extremity.

Instability after total hip arthroplasty (THA) can be a problematic complication and remains one of the leading causes of revision surgery in the early post-operative period. Dual mobility (DM) implants decrease dislocation risk after THA but they come with their own set of complications. Selective use of DM implants for THA in high risk groups can confer the advantages of this construct while mitigating the risks. In this paper, we review the current literature to examine the evidence for or against use of DM implants in various clinical scenarios and provide an algorithm for when to consider using DM design construct in THA.

Background Medical device recalls have the potential to affect patient outcomes in orthopedic surgery. We assessed high-risk orthopedic medical device recalls in the recent past. Methods The publicly available Food and Drug Administration medical device recall database was mined for information on class 1 and class 2 recalls of orthopedic implants or medical devices related to orthopedic surgery from January 1, 2015 to December 31, 2019. Recall details, including reason for recall, class of recall, and the recalling company, were recorded. The data were quantified and analyzed in Excel. Results The results of this study showed that orthopedic device recalls constitute a significant percentage of total medical device recalls, ranging from 11.8% to 21.5%. In the last 5 years, 2018 was the busiest year for all medical and orthopedic device recalls. Packaging errors were the most common reasons for orthopedic device recalls, followed by design flaws and manufacturing issues. Marketing and software issues were uncommon reasons for orthopedic device recalls. Zimmer Biomet, Johnson & Johnson (parent company of DePuy Synthes), and Stryker had the highest number of orthopedic device recalls over the last 5 years and also constitute the top 3 orthopedic companies with the largest market share of orthopedic implants. Conclusion Orthopedic device recalls remain a significant concern and constitute, on average, 16.6% of all class II medical device recalls from 2015 to 2019. Manufacturing companies can reduce the number of orthopedic device recalls by improving their device design, manufacturing, and packaging stages of the production cycle. Level of Evidence III.

Aims Currently, there is no single, comprehensive national guideline for analgesic strategies for total joint replacement. We compared inpatient and outpatient opioid requirements following total hip arthroplasty (THA) versus total knee arthroplasty (TKA) in order to determine risk factors for increased inpatient and outpatient opioid requirements following total hip or knee arthroplasty. Methods Outcomes after 92 primary total knee (n = 49) and hip (n = 43) arthroplasties were analyzed. Patients with repeat surgery within 90 days were excluded. Opioid use was recorded while inpatient and 90 days postoperatively. Outcomes included total opioid use, refills, use beyond 90 days, and unplanned clinical encounters for uncontrolled pain. Multivariate modelling determined the effect of surgery, regional nerve block (RNB) or neuraxial anesthesia (NA), and non-opioid medications after adjusting for demographics, ength of stay, and baseline opioid use. Results TKAs had higher daily inpatient opioid use than THAs (in 5 mg oxycodone pill equivalents: median 12.0 vs 7.0; p < 0.001), and greater 90 day use (median 224.0 vs 100.5; p < 0.001). Opioid refills were more likely in TKA (84% vs 33%; p < 0.001). Patient who underwent TKA had higher independent risk of opioid use beyond 90 days than THA (adjusted OR 7.64; 95% SE 1.23 to 47.5; p = 0.01). Inpatient opioid use 24 hours before discharge was the strongest independent predictor of 90-day opioid use (p < 0.001). Surgical procedure, demographics, and baseline opioid use have greater influence on in/outpatient opioid demand than RNB, NA, or non-opioid analgesics. Conclusion Opioid use following TKA and THA is most strongly predicted by surgical and patient factors. TKA was associated with higher postoperative opioid requirements than THA. RNB and NA did not diminish total inpatient or 90-day postoperative opioid consumption. The use of acetaminophen, gabapentin, or NSAIDs did not significantly alter inpatient opioid requirements. Cite this article: Bone Joint Open 2020;1-7:398–404.

Aims The aim of this study was to investigate the differences in 30-day outcomes between patients undergoing revision for an infected total hip arthroplasty (THA) compared with an aseptic revision THA. Patients and Methods This was a retrospective review of prospectively collected data from the American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) database, between 2012 and 2017, using Current Procedural Terminology (CPT) codes for patients undergoing a revision THA (27134, 27137, 27138). International Classification of Diseases Ninth Revision/Tenth Revision (ICD-9-CM, ICD-10-CM) diagnosis codes for infection of an implant or device were used to identify patients undergoing an infected revision THA. CPT-27132 coupled with ICD-9-CM/ICD-10-CM codes for infection were used to identify patients undergoing a two-stage revision. A total of 13 556 patients were included; 1606 (11.8%) underwent a revision THA due to infection and there were 11 951 (88.2%) aseptic revisions. Results Patients undergoing an infected revision had a significantly greater length of stay of more than three days (p < 0.001), higher odds of any 30-day complication (p < 0.001), readmission within 30 days (p < 0.001), 30-day reoperations (p < 0.001), and discharge to a destination other than the patient’s home (p < 0.001). Conclusion The findings suggest the need for enhanced risk adjustment based on the indication of revision THA prior to setting prices in bundled payment models of total joint arthroplasty. This risk adjustment should be used to reduce the chance of financial disincentives in clinical practice. Cite this article: Bone Joint J 2019;101-B:547–551.

Relative value units (RVUs) are used for ensuring that physicians are appropriately reimbursed based on case complexity. While past research has elucidated that surgeons are reimbursed at a higher rate for primary total knee arthroplasty (TKA) versus revision TKA, no study has explored differences in reimbursements between single-component and double-component revisions, considering a double-component revision is likely to require more effort/skill as compared with single-component revision. The 2015 to 2016 American College of Surgeons National Surgical Quality Improvement Program files were queried using Current Procedural Terminology (CPT) codes for single-component revision TKA (CPT-27486) and double-component revision TKA (CPT-27487). A total of 1,962 single-component and 4,184 double component revisions were performed during this period. Total RVUs, RVU/min, and dollar amount/min were calculated for each case. The mean RVU was 21.12 and 27.11 for single-component and double-component revision TKAs, respectively. A statistically significant difference was noted in mean operative time (single component = 100.44 vs. double component = 144.29; p

Background Occupational injuries and hazards related to orthopaedic surgery are not well studied, and what is published on this topic is largely based on in vitro or in vivo animal studies. Objectives To evaluate the self-reported prevalence of musculoskeletal (MSK) overuse disorders and other conditions among orthopaedic surgeons, especially those performing total hip (THA) or total knee arthroplasty (TKA), and report the factors placing these surgeons at higher risk for occupational health hazards. Methods This was a cross-sectional study of 66 currently practicing orthopaedic surgeons in the Midwestern United States. An online survey was sent to the participants, and all responses were collected anonymously. The survey consisted of 18 multiple-choice questions. Results Almost 82% of surgeons surveyed had either a musculoskeletal (MSK) overuse disorder, kidney stones, cataracts, infertility, deafness, or a combination of the above. Fifty-three percent of these respondents believed their medical conditions arose due to their job demands or exposure. A majority of the orthopaedic surgeons surveyed wanted to retire at either 60–65 years of age (31.8%) or 66–70 years of age (47%). Nearly 88% of the survey respondents believed they will be able to meet the demands of their job until their intended retirement age. The prevalence of an overuse disorder was highest for those who have been in practice for 21–30 years (100%). There was a trend toward higher rate of surgery for overuse condition in Adult Reconstruction (AR) surgeons. Rotator cuff disease was the most common MSK disorder affecting AR surgeons. Conclusion A majority (>80%) of orthopaedic surgeons suffer from a musculoskeletal overuse disorder, kidney stones, cataracts, infertility, deafness, or a combination of these. A significant proportion (53%) of surgeons believe one or more of their medical conditions developed due to occupational exposure.

Background Total knee arthroplasty (TKA) is one of the most effective ways to treat end-stage painful conditions of the knee. However, non-standardized reporting patterns can make quantitative analysis of patient outcomes difficult. Methods A systematic review of the literature was performed using keywords “total knee arthroplasty” and “total knee replacement.” Randomized controlled trials (RCTs) meeting the inclusion criteria were sorted and reviewed. Type of study, outcome measures used to report their results, and the actual results were recorded. Quantitative analysis was performed. Results A total of 233 RCTs were included. There was significant variability in the reporting of short term and long term outcomes in total knee arthroplasty. The most common treatment domains in order of decreasing frequency were objective knee function, subjective knee function, perioperative complications, and pain. Range of motion was the most common outcome metric reported in all the RCTs and also was the most common metric used to assess objective knee function. The most common patient reported outcome measure used to assess postoperative function was the Knee Society Score followed by Knee Injury and Osteoarthritis Outcome Score. The Visual Analog Scale was the most common measurement tool used to assess postoperative pain. Most studies assessed patient outcomes in three treatment domains. None reported outcomes in all seven domains. Conclusion There is significant variability in outcome reporting patterns in TKA literature. Most studies do not track outcomes comprehensively, with a significant minority of the RCTs tracking outcomes in only one treatment domain.

Background Mid-flexion instability after total knee arthroplasty (TKA) is a clinical entity that is not well studied and one that has been associated with patient dissatisfaction and inferior outcomes. We sought to provide a comprehensive review of risk factors associated with mid-flexion instability. Methods A comprehensive literature search of PUBMED, EMBASE, Google Scholar, and Cochrane Library was performed using keywords “mid flexion,” “instability,” and “knee arthroplasty” in all possible combinations. All studies published from 2010 to 2020 in English were considered for inclusion. Research design, question studied, and outcomes were recorded for each study. Quantitative and qualitative analysis was performed. Results Eighteen articles meeting inclusion criteria were identified and reviewed. There were 5 computational studies, 5 cadaveric studies, and 8 clinical studies. There were 14 different risk factors investigated in relation to mid-flexion instability after TKA: 6 implant-related, 6 technique-related, and 2 patient-related factors. Of these risk factors, 5 had contradictory results published to date, resulting in an inconclusive association with mid-flexion instability. The results of this review suggest that the effects of joint line elevation and radius-of-curvature of the femoral component on mid-flexion instability are inconclusive while articular surface conformity and preoperative joint laxity may play a bigger role than previously thought. Conclusion Mid-flexion instability after TKA is a clinical entity distinct from other established forms of instability. There are patient-related, implant-related, and technique-related factors associated with mid-flexion instability. The majority of the evidence on this topic is derived from computational and cadaveric studies, underscoring the need for further clinical studies.

* While no single approach for total hip arthroplasty (THA) has been proven to be superior to others in terms of patient outcomes, the direct anterior approach (DAA) is becoming increasingly popular. * All of the described techniques for THA carry a small risk of nerve injury. * Identifying risk factors for nerve injury and mitigating these risks where feasible are imperative in order to reduce the incidence of this complication with any approach for THA.

Background Surgeon volume has been identified as an important factor impacting postoperative outcome in patients undergoing orthopedic surgeries. With an absence of a detailed systematic review, we sought to collate evidence on the impact of surgeon volume on postoperative outcomes in patients undergoing primary total hip arthroplasty. Methods PubMed (MEDLINE) and Google Scholar databases were queried for articles using the following search criteria: (“Surgeon Volume” OR “Provider Volume” OR “Volume Outcome”) AND (“THA” OR “Total hip replacement” OR “THR” OR “Total hip arthroplasty”). Studies investigating total hip arthroplasty being performed for malignancy or hip fractures were excluded from the review. Twenty-eight studies were included in the final review. All studies underwent a quality appraisal using the GRADE tool. The systematic review was performed in accordance with the PRISMA guidelines. Results Increasing surgeon volume was associated with a shorter length of stay, lower costs, and lower dislocation rates. Studies showed a significant association between an increasing surgeon volume and higher odds of early-term and midterm survivorship, but not long-term survivorships. Although complications were reported and recorded differently in studies, there was a general trend toward a lower postoperative morbidity with regard to complications following surgeries by a high-volume surgeon. Conclusion This systematic review shows evidence of a trend toward better postoperative outcomes with high-volume surgeons. Future prospective studies are needed to better determine long-term postoperative outcomes such as survivorship before healthcare policies such as regionalization and/or equal-access healthcare systems can be considered.

Trimalleolar ankle fractures are unstable injuries with possible syndesmotic disruption. Recent data have described inherent morbidity associated with screw fixation of the syndesmosis, including the potential for malreduction, hardware irritation, and post-traumatic arthritis. The posterior malleolus is an important soft tissue attachment for the posterior inferior syndesmosis ligament. We hypothesized that fixation of a sizable posterior malleolar (PM) fracture in supination external rotation type IV (SER IV) ankle fractures would act to stabilize the syndesmosis and minimize or eliminate the need for trans-syndesmotic fixation. A retrospective review of trimalleolar ankle fractures surgically treated from October 2006 to April of 2011 was performed. A total of 143 trimalleolar ankle fractures were identified, and 97 were classified as SER IV. Of the 97 patients, 74 (76.3%) had a sizable PM fragment. Syndesmotic fixation was required in 7 of 34 (20%) and 27 of 40 (68%), respectively, when the PM was fixed versus not fixed (p = .0002). When the PM was indirectly reduced using an anterior to posterior screw, 7 of 15 patients (46.7%) required syndesmotic fixation compared with none of 19 patients when the PM fragment was fixated with direct posterior lateral plate fixation (p = .0012). Fixation of the PM fracture in SER IV ankle fractures can restore syndesmotic stability and, thus, lower the rate of syndesmotic fixation. We found that fixation of a sizable PM fragment in SER IV or equivalent injuries through posterolateral plating can eliminate the need for syndesmotic screw fixation.

Background The majority of the cost analysis literature on total hip arthroplasties (THAs) has been focused around the perioperative and postoperative period, with preoperative costs being overlooked. Methods The Humana Administrative Claims database was used to identify Medicare Advantage (MA) and Commercial beneficiaries undergoing elective primary THAs. Preoperative healthcare resource utilization in the year prior to a THA was grouped into the following categories: office visits, X-rays, magnetic resonance imagings, computed tomography scans, intra-articular steroid and hyaluronic acid injections, physical therapy, and pain medications. Total 1-year costs and per-patient average reimbursements for each category have been reported. Results Total 1-year preoperative costs amounted to $21,022,883 (average = $512/patient) and $4,481,401 (average = $764/patient) for MA and Commercial beneficiaries, respectively. The largest proportion of total 1-year costs was accounted for by office visits (35% in Commercial; 41% in MA) followed by pain medications (28% in Commercial; 35% in MA). Conservative treatments (steroid injections, hyaluronic acid injections, physical therapy, and pain medications) alone accounted for 40%-44% of the total 1-year costs prior to a THA. A high healthcare utilization within the last 3 months prior to surgery was noted for opioids and steroid injections. Conclusion On average, $500-$800/patient is spent on hip osteoarthritis-related care in the year prior to a THA. Despite their potential risks, opioids and steroid injections are often utilized in the last 3 months prior to surgery.

© 2017 Elsevier Ltd Background Reoperation rates are high after surgery for hip fractures. We investigated the effect of a sliding hip screw versus cancellous screws on the risk of reoperation and other key outcomes. Methods For this international, multicentre, allocation concealed randomised controlled trial, we enrolled patients aged 50 years or older with a low-energy hip fracture requiring fracture fixation from 81 clinical centres in eight countries. Patients were assigned by minimisation with a centralised computer system to receive a single large-diameter screw with a side-plate (sliding hip screw) or the present standard of care, multiple small-diameter cancellous screws. Surgeons and patients were not blinded but the data analyst, while doing the analyses, remained blinded to treatment groups. The primary outcome was hip reoperation within 24 months after initial surgery to promote fracture healing, relieve pain, treat infection, or improve function. Analyses followed the intention-to-treat principle. This study was registered with ClinicalTrials.gov, number NCT00761813. Findings Between March 3, 2008, and March 31, 2014, we randomly assigned 1108 patients to receive a sliding hip screw (n=557) or cancellous screws (n=551). Reoperations within 24 months did not differ by type of surgical fixation in those included in the primary analysis: 107 (20%) of 542 patients in the sliding hip screw group versus 117 (22%) of 537 patients in the cancellous screws group (hazard ratio [HR] 0·83, 95% CI 0·63–1·09; p=0·18). Avascular necrosis was more common in the sliding hip screw group than in the cancellous screws group (50 patients [9%] vs 28 patients [5%]; HR 1·91, 1·06–3·44; p=0·0319). However, no significant difference was found between the number of medically related adverse events between groups (p=0·82; appendix); these events included pulmonary embolism (two patients [

Item does not contain fulltext BACKGROUND: The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) has been extensively evaluated in groups of patients with osteoarthritis, yet not in patients with a femoral neck fracture. This study aimed to determine the reliability, construct validity, and responsiveness of the WOMAC compared with the Short Form-12 (SF-12) and the EuroQol 5D (EQ-5D) questionnaires for the assessment of elderly patients with a femoral neck fracture. METHODS: Reliability was tested by assessing the Cronbach alpha. Construct validity was determined with the Pearson correlation coefficient. Change scores were calculated from ten weeks to twelve months of follow-up. Standardized response means and floor and ceiling effects were determined. Analyses were performed to compare the results for patients less than eighty years old with those for patients eighty years of age or older. RESULTS: The mean WOMAC total score was 89 points before the fracture in the younger patients and increased from 70 points at ten weeks to 81 points at two years postoperatively. In the older age group, these scores were 86, 75, and 78 points. The mean WOMAC pain scores before the fracture and at ten weeks and two years postoperatively were 92, 76, and 87 points, respectively, in the younger age group and 92, 84, and 93 points in the older age group. Function scores were 89, 68, and 79 points for the younger age group and 84, 71, and 73 points for the older age group. The Cronbach alpha for pain, stiffness, function, and the total scale ranged from 0.83 to 0.98 for the younger age group and from 0.79 to 0.97 for the older age group. Construct validity was good, with 82% and 79% of predefined hypotheses confirmed in the younger and older age groups, respectively. Responsiveness was moderate. No floor effects were found. Moderate to large ceiling effects were found for pain and stiffness scales at ten weeks and twelve months in younger patients (18% to 36%) and in the older age group (38% to 53%). CONCLUSIONS: The WOMAC showed good reliability, construct validity, and responsiveness in both age groups of elderly patients with a femoral neck fracture who had been physically and mentally fit before the fracture. The instrument is suitable for use in future clinical studies in these populations. CLINICAL RELEVANCE: The results are based on two clinical trials. The questionnaires used concern pure, clinically relevant issues (ability to walk, climb stairs, etc.). Moreover, the results can be used for future research comparing clinical outcomes (or treatments) for populations with a femoral neck fracture.

Femoral neck fractures in physiologically young adults are relatively uncommon. The reported incidence of avascular necrosis and nonunion rates remain relatively high despite the advancement in understanding and surgical management. Understanding the normal femoral neck anatomy and its relationship to presenting fracture pathology in young adults could help to lessen reported high complication rates to provide better clinical outcomes.

Pediatric proximal tibial epiphysis fractures are uncommon and have subsequently received little attention in terms of treatment and outcomes. We studied the clinical and functional outcomes of 13 patients with Salter-Harris III and IV fractures of the proximal tibial epiphysis after operative fixation. Associated meniscus, ligamentous, or neurovascular injury was present in 100% of this cohort. Provisional external fixation and locked plating spanning the open physis were used in the majority of cases. The mean clinical follow-up was 15.69 months, where all fractures progressed to union. Good functional outcomes with a low complication rate are possible after operative fixation of these infrequent injuries.

Full article available online at Healio.com/Orthopedics. Search: 20121023-28 Deep vein thrombosis is a frequent complication following total joint arthroplasty and other major orthopedic procedures. Pulmonary embolism occurs with or without a diagnosis of deep vein thrombosis, although infrequently (1.5%-10%). In patients with congenital cardiac defects, such as a patent foramen ovale, paradoxical cerebral embolism may also occur. This article describes a case of a 52-year-old woman who sustained a paradoxical cerebral embolism following total knee arthroplasty. In the workup of a patient with a known murmur and stroke symptoms, paradoxical cerebral embolism should be included in the differential. The initial evaluation should incorporate transesophageal echocardiography because of its accuracy in the demonstration of the cardiac physiology. An abnormal intracardiac or intrapulmonary shunt is essential for paradoxical cerebral embolism, allowing the entrance of the thrombus into cerebral circulation from the venous system. No clear consensus has been reached on the management of patients at risk for paradoxical cerebral embolism prior to orthopedic procedures. However, when an embolic stroke is diagnosed acutely, ideal management includes thrombolytic therapy, but further research is needed to confirm that this is the correct management. Due to the risk of recurrence, postop erative thromboprophylaxis is recommended with or without closure of the foramen ovale. Most importantly, and as demonstrated by the current patient, who partially recovered but did not require walking assistance after 2-year follow-up, treating physicians should be prepared to counsel patients through a lengthened physical rehabilitative process.

The surgical approach to the second thoracic vertebral body is difficult from the anterior side. A 38-year-old woman suffering from plasmacytoma in the second thoracic vertebra showed paraplegia for 2 weeks prior to surgery. X-ray, computed tomography (CT), and magnetic resonance imaging (MRI) examinations indicated breakdown of the second thoracic vertebral body and arch, associated with spinal cord compression. A 99mTc bone scintigram showed accumulation only in the second thoracic vertebra. After one course of chemotherapy with cyclophosphamide and prednisone (CP protocol), surgery was carried out. The incision was made on the right side of the anterior of the neck, from the middle half of the sternocleidomastoideus along the anterior edge to the jugular notch of the sternum. After cutting the platysma, severing the sternohyoideus, splitting the sternothyroid muscle, and forming a compartment between the esophagus and vagina carotica, we extended the incision to the sternum. Without wedging the sternum, we separated tissue from the posterior of the sternum to the second and third thoracic vertebrae, excised the second thoracic vertebra to expose the hard spinal meninges, and removed the tumor in the vertebral canal to release the compression on the spinal cord. An autogeneous bone graft, taken from the right ilium (1.5 x 1.5 x 3 cm in size), was implanted between the first and third thoracic vertebrae, and a spinal titanium alloy plate was used to increase fixation between the first and third thoracic vertebrae from the front. During the surgery, 800 ml of blood was transfused. On the fifth postsurgical day, the patient could walk normally with a neck collar, and the paraplegia was completely alleviated, with no complications.