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Background: Patient-reported allergies (PRAs) are associated with suboptimal orthopaedic surgery outcomes and may serve as a proxy for mental health. While mental health disorders are known risk factors for increased opioid use, less is known about how PRAs impact opioid use after orthopedic surgery. The purpose of this study was to investigate the association between PRAs and postoperative opioid use, pain, and satisfaction following hand surgery. Methods: Patients who underwent ambulatory hand surgery at a single institution from May 2017 to March 2019 were retrospectively reviewed. Various scores, including the Mindfulness Attention Awareness Scale (MAAS), were collected preoperatively. Postoperatively, patients completed a 2-week pain diary, satisfaction, and visual analog scale (VAS) pain scores. Opioid consumption was converted to oral morphine equivalents (OMEs) using standard conversions. Results: A total of 137 patients were divided into 2 groups based on presence (≥1) (n = 73) or absence (0) (n = 64) of PRAs. At baseline, the ≥ 1 PRA group had significantly higher female composition ( P < .001) and pain ( P < .001) and lower PROMIS mental health scores ( P = .044). Postoperative OME consumption averaged 42.5 (range 0-416) in the entire cohort, with no differences between groups. Among patients with ≥ 1 PRA, increasing number of allergies significantly correlated with increasing OME consumption across all time points (week 1, P = .016; week 2, P = .001; total, P = .005). Conclusions: The presence of PRAs did not impact postoperative narcotic usage, pain, or satisfaction. Increasing numbers of PRAs did, however, significantly correlate with higher narcotic use. These results may have implications for postoperative pain management in this population.

Background Children often suffer from congenital or acquired diseases. Ambulatory cases represent the vast majority of pediatric surgical cases. COVID-19 pandemic-associated regulatory precautions had made the process of seeking medical advice at a suitable appointment such a big problem. We utilized telemedicine (online encounter) to deliver the required healthcare service for sorting and guiding pediatric ambulatory surgical patients. In this article, we aimed to: (1) present our experience, (2) evaluate the effectiveness, and (3) document the results of this technology to solve the problem of difficult healthcare accessibility. Materials and Methods In this study, we compared the utilization of telemedicine (virtual clinic via video consultation) prospectively in the current era of the COVID-19 pandemic in the period from June 2020 to July 2021 to the in-person clinic encounter at the outpatient department (OPD) retrospectively in the previous year (from June 2019 until the end of May 2020) for perioperative management of pediatric ambulatory surgical patients. The study was conducted at 3 tertiary care pediatric surgery centers. The information recorded for analysis included: demographic data, surgical condition distribution, time interval from the appointment request till the actual encounter with the surgeon, conversation duration, distance traveled, and ultimate fate of the consultations. For both groups, service was evaluated after the first follow-up visit by a patient survey questionnaire (Patient Experience Assessment form) including questions relevant to each encounter. Results A total of 1124 pediatric patients with various ambulatory surgical conditions had been scheduled for virtual clinic video encounters. Of them, 1056 cases were evaluated by video consultation, supervised by their parents or caregivers, thus, achieving an attendance rate of 94%. Of the remaining cases, 2% (n=23) were canceled and 4% (n=45) did not attend the virtual clinic. Two-thirds of the cases live in rural /remote areas. Patients’ overall satisfaction was 92%. This was in comparison to 872 pediatric ambulatory surgical patients scheduled for in-person clinic visits before the implementation of the virtual clinic. Of them, only 340 cases had attended the clinic, thus, achieving an attendance rate of 39%. Of the remaining cases, 450 cases (51.6%) were canceled and 82 cases (9.4%) did not attend the clinic (no show). About 48% of the cases live in rural areas. For this group, patients’ overall satisfaction was 63%. The mean encounter duration was similar for both groups (∼ 5 minutes). Surgical condition distribution was also similar (p-value: 0.694). For new cases, the time interval from appointment request till the actual encounter was very short for the virtual clinic group (range: 6-15 days) as compared to the in-person clinic group (range: 30-180 days). Patients were followed up for a median period of 14±3.25 months (range: 6-22 months) with no patient loss to follow-up. Conclusion Telemedicine can effectively bridge the patient-physician communication gap caused by the regulatory precautions mandated by the current COVID-19 pandemic. It achieved an attendance rate of 94% and parents’ / patients’ overall satisfaction of 92%.

Structured Abstract Objective : Preoperative functional status is appreciated as a key determinant of decision-making when evaluating patients for complex elective surgeries. We used the Vascular Quality Initiative (VQI) to analyze the effect of being able to independently ambulate on outcomes after open abdominal aortic aneurysm (AAA) repairs. Methods : We identified all patients who underwent elective or urgent open AAA repairs from January 2013 to August 2019 in the VQI registry. We recorded demographic variables, comorbidities, and operative factors such as approach, operative ischemia time, proximal clamp site, and presence of iliac aneurysms. Short-term and long-term outcomes included 30-day mortality, any perioperative complications, failure to rescue (defined as death after a complication), and one-year all-cause mortality. We dichotomized patients based on their ability to independently ambulate (Ambulatory) or inability to ambulate independently (Non-Ambulatory) and used both multivariable logistic regressions and cox-proportional hazards models to evaluate outcomes. Results : Of 5,371 patients, 328 (6.1%) could not ambulate independently and were more likely to be older (median age 69 vs 72), female (25% vs. 38%), and have greater comorbidities. Overall outcomes were: 4.3% for 30-day mortality, 38.7% for complications, 10.2% for failure-to-rescue, and 6.9% for one-year mortality. Univariate analysis showed higher rates of all adverse outcomes in non-ambulatory patients. On adjusted analysis, non-ambulatory patients had increased odds of complications by 46% (OR 1.46 [95%-CI 1.11-1.91]) and one-year mortality by 46% (HR 1.46 [95%-CI 1.06-1.99]), but not failure to rescue (OR 1.05 [95%-CI 0.67-1.62]) or 30-day mortality (OR 1.22 [95%-CI 0.82-1.81]). Increased hospital volume, age, and increased operative renal ischemia time were independently associated with adverse outcomes. Conclusions : Non-ambulatory status was observed in a small percentage of patients undergoing open AAA repair but was associated with higher rates of post-operative complications and one-year mortality. Ambulatory capacity is one of the key determinants of outcomes following open AAA repair. In patients with poor ambulatory function, a conservative approach is highly recommended over invasive open surgical intervention.

OBJECTIVES To compare risk of reoperation for femoral neck fracture patients undergoing fixation with cancellous screws (CS) or sliding hip screws (SHS) based on surgeon fellowship (trauma-fellowship-trained versus non-trauma-fellowship-trained). DESIGN Retrospective review of FAITH data. SETTING Eighty-one centers across eight countries. PATIENTS/PARTICIPANTS 819 patients ≥ 50 years-old with low energy hip fractures requiring surgical fixation. INTERVENTION Patients were randomized to CS or SHS in the initial dataset. MAIN OUTCOME MEASUREMENTS The primary outcome was risk of reoperation. Secondary outcomes included death, serious adverse events, radiographic healing, discharge disposition, and use of ambulatory devices postoperatively. RESULTS There was no difference in risk of reoperation between the two surgeon groups (p > 0.05). Patients treated by orthopaedic trauma surgeons were more likely to be overweight/obese and have major medical comorbidities (p < 0.05). There was a higher risk of serious adverse events, higher likelihood of radiographic healing, and higher odds of discharge to a facility for patients treated by trauma-fellowship-trained surgeons (p < 0.05). CONCLUSIONS Based on this data, risk of reoperation for low energy femoral neck fracture fixation is equivalent regardless of fellowship training. The higher likelihood of radiographic healing noted in the trauma-trained group does not appear to have a major clinical implication as it did not affect risk of reoperation between the two groups. Patient-specific factors present pre-injury, such as body habitus and medical comorbidities, may account for the lower odds of discharge to home and higher risk of postoperative medical complications for patients treated by orthopaedic trauma surgeons. LEVEL OF EVIDENCE Prognostic Level II. See Instructions for Authors for a complete description of levels of evidence.

Ambulatory surgery has proven benefits in patient wellbeing and cost reduction in healthcare systems. However, some patients referred for ambulatory surgery are refused and directed instead towards inpatient care, which generates several drawbacks. The reasons for this refusal have not been yet studied. The aim of this study is to identify, retrospectively, significant variables associated with patient refusal for ambulatory surgery and develop a mathematical tool able to predict with strong accuracy those who will be rejected.Over a 5-year period (2014 - 2018), all patients that underwent abdominal hernia repair in our hospital in an inpatient setting, and that had been previously refused for ambulatory surgery, were analysed for a total of 94 variables. A multivariate logistic regression model was developed to identify risk factors associated with refusal using data from 136 patients (65 refused vs 71 accepted). A prediction index for refusal in ambulatory surgery - IRAS - was derived and tested (n = 62 patients).The risk index included five significant risk factors: type 2 diabetes mellitus [OR 14.669 (2.982; 72.154)], physical status [OR 49.155 (15.532; 155.555)], prior malignancy [OR 14.518 (2.653; 79.441)], prior abdominal surgery [OR 3.455 (1.006; 11.866)] and usage of antiplatelet agents [OR 25.600 (4.309; 152.066)]. All risk factors were associated with a high risk of refusal (OR between 3.455 for history of prior abdominal surgery and 49.155 according to the American Society of Anaesthesiologists physical status classification). Defining five points as the maximum IRAS score that predicts suitability for ambulatory surgery resulted in a positive predictive value of 93.55% and negative predictive value of 87.10%.Significant patient variables for refusal of an ambulatory procedure were determined and an easy to use risk index - IRAS - was built that is able to predict with good accuracy which patients will be refused.IRAS is a useful tool that can contribute to reduce time to surgery and improve patients' quality of life.Introdução: A cirurgia de ambulatório tem benefícios comprovados no bem-estar dos doentes e na redução de custos dos sistemas de saúde. Porém, alguns doentes referenciados para cirurgia de ambulatório são recusados e encaminhados para internamento. Os motivos desta recusa ainda não foram estudados. Neste trabalho identificámos, retrospectivamente, variáveis significativas na recusa dos doentes e fornecemos uma ferramenta matemática capaz de prever de forma precisa aqueles que serão rejeitados. Material e Métodos: Ao longo de cinco anos (2014 - 2018), todos os doentes submetidos a correção cirúrgica de hérnia abdominal em regime de internamento no nosso centro hospitalar previamente recusados para cirurgia de ambulatório foram analisados para um total de 94 variáveis. Um modelo de regressão logística multivariada foi desenvolvido para identificar os fatores de risco para recusa usando dados de 136 doentes (65 recusados vs 71 aceites). Um índice preditivo para recusa de cirurgia em ambulatório, IRAS, foi criado e testado (n = 62 doentes). Resultados: O IRAS incluiu cinco fatores de risco significativos: diabetes mellitus tipo 2 [OR 14,669 (2,982; 72,154)], estado físico [OR 49,155 (15,532; 155,555)], neoplasia maligna prévia [OR 14,518 (2,653; 79,441)], cirurgia abdominal prévia [OR 3,455 (1,006; 11,866)] e uso de agentes antiplaquetários [OR 25,600 (4,309; 152,066)]. Todos os fatores de risco foram associados a elevado risco de recusa (OR entre 3,455 para história de cirurgia abdominal prévia e 49,155 de acordo com a classificação do estado físico segundo a American Society of Anaesthesiologists). A definição de cinco pontos como a pontuação máxima do IRAS que prevê adequação para cirurgia de ambulatório resultou num valor preditivo positivo de 93,55% e um valor preditivo negativo de 87,10%. Discussão: Foram determinadas variáveis significativas para recusa de um doente para cirurgia de ambulatório e construído um índice de risco de fácil utilização, IRAS, capaz de predizer que doentes serão recusados com boa precisão. Conclusão: O índice IRAS é uma ferramenta útil que pode contribuir para a redução dos tempos de espera e melhorar a qualidade de vida dos doentes.

Purpose The impact of the SARS-CoV-2 (COVID-19) coronavirus has been felt worldwide, impacting all aspects of healthcare. We examined the quantitative impact during the first four weeks of hospital system and state-mandated restrictions on elective healthcare on an academic urban hand surgery practice. We hypothesized that the volume of overall ambulatory clinic encounters, office procedures, and surgical procedures and cases would dramatically decrease during this time and that the volume of non-elective care would remain unchanged. Methods We retrospectively reviewed all patient encounters in a 4-week time period from March 16, 2020 through April 12, 2020 for an academic orthopedic hand surgery practice and compared those to two control 4-week time periods: February 17, 2020 through March 15, 2020 and March 16, 2019 through April 12, 2019. Weekly encounter volumes and work relative value units (RVUs) were obtained for ambulatory clinic encounters, office procedures, and surgical procedures and cases. The type of ambulatory visit, in-person or telemedicine was also identified. Surgical cases were categorized into four types: fracture or dislocation, acute soft tissue or nerve injury, infection, or elective/non-urgent for the two most recent time periods. T-tests were performed to compare weekly volume and RVUs between time periods. Results After the implementation of mandated restrictions on elective healthcare, ambulatory hand surgery clinic encounters decreased 72-73%, clinic procedures decreased by 87-90%, and surgical cases decreased by 87-88%. The percentage of ambulatory visits performed via telemedicine increased from 0.06% to 74%. Similar impacts on RVUs were seen. All elective surgery was deferred. Surgeries for fractures and dislocations declined by 58% and those for acute soft tissue or nerve injury declined by 40%; the number of surgical procedures for infection remained unchanged. Conclusions The COVID-19 restrictions on elective healthcare led to an immediate, substantial impact on hand surgery practice. There was a significant decrease in ambulatory encounter volume, office procedures, and surgical cases. Non-elective surgical case volume also decreased by 47%. The long-term financial impact of this change in practice on providers, practices, patients and hospitals is still to be determined but based on the quantitative impacts seen, is likely to be substantial.

Many children gained insurance with the 2014 Affordable Care Act's (ACA) Medicaid Expansion (ME), yet its impact on access to pediatric tertiary surgical care remains unknown. We examined the effect of ME on rates of elective, ambulatory surgery (EAS), especially among publicly-insured and ethnoracial-minority patients.Surgical patients ≤18 years between 2012 and 2018 were identified using the Pediatric Health Information System. Interrupted time series analyses were conducted to predict the monthly proportion of publicly-insured patients and EAS rates in ME and nonexpansion states.3,270,842 patients were included. Nonexpansion states demonstrated a 1.10% (p0.05) increase in the proportion of publicly-insured patients at ACA implementation, which then plateaued. No immediate change was observed in ME states, but there was an annual 1.08% (p0.01) decrease in subsequent years. Publicly-insured EAS rates decreased by 1.09% (p0.01) in nonexpansion states; no change was observed in ME states. A 3.36% (p0.01) increase in EAS rates was observed in nonexpansion and ME states. The gap in EAS rates increased between private and publicly-insured patients in nonexpansion, but not ME states.Increased coverage for children in ME states was not associated with more access to tertiary pediatric surgical care; however, while nonexpansion states saw an increase in insurance-based disparities, ME states did not. Though insurance coverage is critical to access, other factors may be contributing to persistent disparities in access to pediatric surgical care.

Background: The purpose of this study was to compare the cost differences for single- versus double-incision distal biceps repair at an ambulatory surgery center (ASC) given that similar clinical outcomes have been reported between these methods. Methods: A retrospective review of financial and medical records was completed for patients who underwent distal biceps tendon repair over a three-year period at a single private orthopedic practice. Variables analyzed include the cost to the ASC of operative time and the cost of differential surgical supplies, specifically implants and disposable supplies. Results: A total of 10 surgeons performed 104 repairs. Nine surgeons performed repairs through a single incision with use of cortical button or suture anchor fixation, and one surgeon performed transosseous suture fixation through a double-incision approach. The median tourniquet time and procedure length were 31 (interquartile range [IQR] 27-40) and 44 (IQR 39-54) minutes for single-incision repairs and 68 minutes (IQR 61-75) and 110 minutes (IQR 103-113) for double-incision repairs which were significantly different across groups (P < .001, P < .001). The total surgical cost (operative time, implants, and disposables) for single-incision repairs was a median of $758 (IQR 732-803) compared with $606 (IQR 567-629) for double-incision repairs (P < .001). However, the procedure cost with implants (not including disposables) was not significantly different for single- (median [Mdn] = $500 [IQR 475-552]) and double-incision repairs (Mdn $552 [IQR 514-564]) (P = .14) although the procedure cost with disposables (not including implant costs) favored single-incision repairs (Mdn = $478 [IQR 452-523]) over double-incision repairs (Mdn = $606 [IQR 567-629]) (P < .001). Conclusion: In a single surgery center, single-incision distal biceps repairs utilizing an implant were performed more expeditiously than double-incision repairs with a transosseous technique but incurred greater surgical costs. Differences in surgical time cost between the two approaches could be consequential for ASCs and other stakeholders.

The transition from inpatient to outpatient shoulder arthroplasty critically depends on appropriate patient selection, both to ensure safety and to counsel patients preoperatively regarding individualized risk. Cost and patient demand for same-day discharge have encouraged this transition, and a validated predictive tool may help decrease surgeon liability for complications and help select patients appropriate for same-day discharge. We hypothesized that an accurate predictive model could be created for short inpatient length of stay (discharge at least by postoperative day 1), potentially serving as a useful proxy for identifying patients appropriate for true outpatient shoulder arthroplasty.A multicenter cohort of 5410 shoulder arthroplasties (2805 anatomic and 2605 reverse shoulder arthroplasties) from 2 geographically diverse, high-volume health systems was reviewed. Short inpatient stay was the primary outcome, defined as discharge on either postoperative day 0 or 1, and 49 patient outcomes and factors including the Elixhauser Comorbidity Index, sociodemographic factors, and intraoperative parameters were examined as candidate predictors for a short stay. Factors surviving parameter selection were incorporated into a multivariable logistic regression model, which underwent internal validation using 10,000 bootstrapped samples.In total, 2238 patients (41.4%) were discharged at least by postoperative day 1, with no difference in rates of 90-day readmission (3.5% vs. 3.3%, P = .774) between cohorts with a short length of stay and an extended length of stay (discharge after postoperative day 1). A multivariable logistic regression model demonstrated high accuracy (area under the receiver operator characteristic curve, 0.762) for discharge by postoperative day 1 and was composed of 13 variables: surgery duration, age, sex, electrolyte disorder, marital status, American Society of Anesthesiologists score, paralysis, diabetes, neurologic disease, peripheral vascular disease, pulmonary circulation disease, cardiac arrhythmia, and coagulation deficiency. The percentage cutoff maximizing sensitivity and specificity was calculated to be 47%. Internal validation showed minimal loss of accuracy after bias correction for overfitting, and the predictive model was incorporated into a freely available online tool to facilitate easy clinical use.A risk prediction tool for short inpatient length of stay after shoulder arthroplasty reaches very good accuracy despite requiring only 13 variables and was derived from an underlying database with broad geographic diversity in the largest institutional shoulder arthroplasty cohort published to date. Short inpatient length of stay may serve as a proxy for identifying patients appropriate for same-day discharge, although perioperative care decisions should always be made on an individualized and holistic basis.

Background Context Red blood cell transfusion can be associated with complications in medical and surgical patients. Acute anemia in ambulatory patients undergoing surgery can also impede wound healing and independent self-care. Current transfusion threshold guidelines are still based on evidence derived from critically-ill intensive care unit medical patients and may not apply to spine surgery candidates. Purpose We aimed to provide the reader with a synthesis of the best available evidence to recommend transfusion trigger thresholds and guidelines in adult patients undergoing spine surgery. Study Design/Setting This is a systematic review. Outcome measures Physiological measure: Blood transfusion thresholds and associated posttransfusion complications (morbidity, mortality, length of stay, infections, etc…) of the published articles. Patient Sample Adult spine surgery patients. Methods A systematic review of the literature using the PubMed, Google Scholar, and Web of Science electronic databases was made according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Focus was set on papers discussing thresholds for blood transfusion in adult surgical spine patients, as well as complications associated with transfusion after acute surgical blood loss in the operating room or postoperative period. Publications discussing pediatric cases, blood type analyses, blood loss prevention strategies and protocols, systematic reviews and letters to the editor were excluded. Results A total of 22 articles fitting our search criteria were reviewed. Patients who received blood transfusion in these studies were older, of female gender, had more severe comorbidities except for smoking, and had prolonged surgical time. Blood transfusion was associated with multiple adverse postoperative complications, including a higher rate of superficial or deep surgical site infections, sepsis, urinary and pulmonary infections, cardiovascular complications, return to the operating room, and increased postoperative length of stay and 30 day readmission. Analysis of transfusion thresholds from these studies showed that a pre-operative hemoglobin (Hb) of > 13 g/dL, and an intraoperative and post-operative Hb nadir above 9 and 8 g/dL, respectively, were associated with better outcomes and fewer wound infections than lower thresholds (Level B Class III). Additionally, it was generally recommended to transfuse autologous blood that was Conclusions Blood transfusion thresholds in surgical patients may be specialty-specific and different than those used for critically-ill medical patients. For adult spine surgery patients, red blood cell transfusion should be avoided if Hb numbers remain > 9 and 8 g/dL in the intraoperative and direct post-operative periods, respectively.

Background For patients undergoing surgery at an Ambulatory Surgical Center, recent changes to Centers for Medicare and Medicaid Services policy allow for the omission of a 30-day preoperative History and Physical (H&P). Preoperative H&Ps for low-risk surgery may contribute to health care waste and lead to unnecessary preoperative testing and treatment cascades. Methods In this qualitative study, we conducted 30 semi-structured interviews with surgeons who frequently perform low-risk surgeries. We aimed to evaluate surgeon perspectives on the continued use of the 30-day preoperative H&P and specifically the potential risks and benefits associated with the elimination of a preoperative H&P requirement from institutional practice. We used an interpretive description approach to generate a thematic description. Results Most participants felt that the 30-day preoperative H&P was low value and frequently described it as “unnecessary,” “redundant,” or “just checking a box.” Many viewed the 30-day requirement as arbitrary and felt that new H&P findings were rare and unlikely to influence surgical care. The participants who favored the preoperative H&P felt it was a safeguard to ensure “nothing was missed” and were less likely to be burdened by the requirement than participants who felt it was low value. Conclusions Surgeons performing low-risk procedures question the utility and value of conducting a preoperative H&P within 30 days of surgery. De-implementation of the 30-day preoperative H&P for low-risk patients may increase convenience for patients and providers. Furthermore, it may improve value in surgery by increasing access to services for patients with greater need for preoperative assessment.

Day surgery has been expanding since the year 2000 when the NHS set a target to perform 75% of surgeries as day procedures. Initially only elective cases were eligible, but nowadays there is a pathway for emergency surgeries as well. There are many advantages for ambulatory surgery, but for a good outcome and a low risk of complications, it is important to have a clear selection criteria, follow enhanced recovery protocols and to optimize the patient's medical conditions preoperatively.

Introduction Patients with ambulatory advanced heart failure (HF) are increasingly considered for durable mechanical circulatory support (MCS) and heart transplantation and their effective triage requires careful assessment of the clinical trajectory. Methods REVIVAL, a prospective, observational study, enrolled 400 ambulatory advanced HF patients from 21 MCS/transplant centers in 2015-2016. Study design included a clinical re-assessment of Interagency Registry for Mechanically Assisted Circulatory Support (INTERMACS) profile within 120 days after enrollment. The prognostic impact of a worsening INTERMACS Profile assigned by the treating physician was assessed at 1 year after the Early Relook. Results Early Relook was done in 325 of 400 patients (81%), of whom 24% had a worsened INTERMACS Profile, associated with longer HF history and worse baseline INTERMACS profile, but no difference in baseline LVEF (median 0.20), 6-minute walk, quality of life, or other baseline parameters. Early worsening predicted higher rate of the combined primary endpoint of death, urgent MCS, or urgent transplant by 1 year after Early Relook, (28% vs 15%), with hazard ratio 2.2 (95% CI 1.2- 3.8; p = .006) even after adjusting for baseline INTERMACS Profile and Seattle HF Model score. Deterioration to urgent MCS occurred in 14% vs 5% (p = .006) during the year after Early Relook. Conclusions Early Relook identifies worsening of INTERMACS Profile in a significant population of ambulatory advanced HF, who had worse outcomes over the subsequent year. Early reassessment of ambulatory advanced HF patients should be performed to better define the trajectory of illness and inform triage to advanced therapies.

Purpose of review Many surgical treatment options are available for patients who present with benign prostatic obstruction (BPO). This article reviews the current treatment options available and distinguishes them based on five clinical considerations: antithrombotic therapy, sexual function preservation, ambulatory procedures, anesthesia-related risks and duration of catheterization. Recent findings A comprehensive review of the literature was performed on 10 BPO procedures. Laser enucleation of the prostate (LEP), bipolar plasma transurethral vaporization of the prostate and photoselective vaporization (PVP) of the prostate reduces the risk of bleeding, which is recommended for anticoagulated men. Ejaculatory function is more likely to be preserved following transurethral incision of the prostate, Rezūm, Aquablation, UroLift and iTind. Same-day discharge is possible for LEP, PVP and prostatic arterial embolization (PAE). For patients with high anesthesia-related risks, procedures compatible with local anesthesia (UroLift, Rezūm, iTind and PAE) should be favored. Catheterization duration is shorter with UroLift, PVP and LEP. Summary BPO treatment options are growing rapidly. The optimal procedure for a given patient is based on factors such as associated risks, recovery and expected outcomes. Besides prostate volume, the clinical considerations in the present article can help elucidate the best surgical BPO treatment option for each patient based on their values, preferences, and risk tolerance.

Study Objective Preoperative detection of uterine leiomyosarcoma is important in hysterectomies performed for presumed benign indications. This study examined the effectiveness of endometrial sampling for preoperative diagnosis of leiomyosarcoma and the factors associated with a false negative. Design This is a retrospective analysis of linked data from the New York Statewide Planning and Research Cooperative System and the New York State Cancer Registry. Using procedure codes, we identified women who underwent preoperative endometrial sampling and hysterectomy in 2003-2015. We further limited the sample to women who had a subsequent diagnosis of uterine leiomyosarcoma based on histology, site and behavioral codes. We estimated the proportion of patients whose leiomyosarcoma was diagnosed preoperatively, and compared their characteristics with patients whose leiomyosarcoma was missed preoperatively (i.e., diagnosed postoperatively) using chi-square/Fisher's exact test and Wilcoxon rank sum test. Setting Inpatient and outpatient encounters at civilian hospitals and ambulatory surgery centers in New York state. Patients or Participants 79 adult women with leiomyosarcoma who underwent endometrial sampling (biopsy or dilation and curettage) within 90 days before hysterectomy. Interventions N/A Measurements and Main Results Among the 79 patients with leiomyosarcoma, 46 (58.2%) were diagnosed preoperatively, whereas 33 (41.8%) were diagnosed postoperatively. Patients diagnosed postoperatively did not differ significantly from those diagnosed preoperatively in cancer stage, grade, age, bleeding symptoms, or comorbidities. However, tumor size was larger among patients who were diagnosed postoperatively than those diagnosed preoperatively (median=12 versus 9 centimeters, p=0.04). The rate of preoperative diagnosis was higher among patients who underwent sampling with hysteroscopic guidance (66.7%) than sampling without hysteroscopic guidance (31.6%) (p=0.007). Among patients diagnosed postoperatively, 21.2% underwent a supracervical hysterectomy, compared to 0% among those diagnosed preoperatively (p=0.002). Conclusion Endometrial sampling was instrumental in diagnosing approximately half of uterine leiomyosarcomas preoperatively, which was more commonly achieved with hysteroscopic guidance.

Purpose To examine trends in Patient-Reported Outcome Measurement Information System (PROMIS) scores among orthopedic sports medicine patients undergoing surgery who completed PROMIS forms both in the ambulatory (preoperative) setting at the time of surgical scheduling, as well as on the day of surgery (perioperative) prior to their procedure. Methods Consecutive patients undergoing various sports medicine-related surgeries were recruited. Patients were included if they were scheduled for surgery and completed preoperative PROMIS on the day of surgical scheduling and on the day of surgery. Patients were excluded if they refused the questionnaire or had been administered perioperative anesthesia, which would interfere with questionnaire completion. Paired samples t-tests were run between preoperative and perioperative PROMIS scores to determine statistical significance. Results 153 patients were included with an average age of 46.5 years. The average (SD) time between completion of PROMIS questionnaires was 46.5 (44.4) days. The absolute value change in scores between preoperative and perioperative visits was 4.09 for PROMIS UE, 3.59 for PROMIS PF, 3.67 for PROMIS PI, and 4.13 for PROMIS D. The overall net change of scores between preoperative and perioperative visits were −.57 for PROMIS UE CAT, .16 points for PROMIS PF CAT, −.85 points for PROMIS PI CAT, and −2.14 points for PROMIS D CAT. Statistically significant differences in preoperative and perioperative PROMIS PI (P =.042) and PROMIS D (P =.004) scores were found. Conclusions Health states—as measured by PROMIS CAT forms completed among patients undergoing orthopedic surgery—can either improve or worsen preoperatively between the time of administration in both the ambulatory and perioperative setting. Despite the existence of these preoperative trends, it is important to consider patient and surgery-specific causes, such as the anatomic region, type of surgical intervention, and timing of preoperative PROMIS administration. Level of Evidence III, prognostic

Background Trauma places a burden on healthcare services accounting for a large proportion of Emergency Department presentations. COVID-19 spread rapidly affecting over 30 million worldwide. To manage trauma presentations the Department of Trauma & Orthopaedic Surgery reorganised service delivery. Aim To assess the impact of service reorganisation and Virtual Clinics on patients in a Regional Unit in Ireland. Methods A retrospective review of trauma activity following introduction of Virtual Fracture Clinics and Theatre COVID Pathways for a 10 week period in comparison with the same 2019 period. All patients underwent both nasopharyngeal and oropharyngeal swabs PCR testing prior to operations. Theatre and outpatient activity were evaluated. Clinic data were accumulated using the Integrated Patient Management System. Results Theatre Activity: 242 patients underwent surgery in our trauma unit (mean 2.98 per list) during the COVID- 19 period. 29 cases were performed in repurposed elective hospital giving a total of 271 during the 2020 study period. 371 cases were performed in the same 2019 period (mean 4.58 per list). Outpatient Activity: We noted a 25.86% fracture clinic referral reduction during the COVID 19 period compared to 2019. There was a 150.77% increase in patients managed through Trauma Assessment Clinic. 639 patients were managed through the Virtual Fracture Clinic Pathway during COVID 19 period. Conclusions Over one in four fracture clinic patients can be managed virtually. A new dedicated Acute Fracture Unit within our institution permitted streamlining of care and social distancing. The “Non-COVID” pathway for ambulatory trauma was essential in managing the growing presentations of these injuries.

OBJECTIVE Spinal procedures are increasingly conducted as outpatient procedures, with a growing proportion conducted in ambulatory surgery centers (ASCs). To date, studies reporting outcomes and cost analyses for outpatient spinal procedures in the US have not distinguished the various outpatient settings from each other. In this study, the authors used a state-level administrative database to compare rates of overnight stays and nonroutine discharges as well as index admission charges and cumulative 7-, 30-, and 90-day charges for patients undergoing outpatient lumbar decompression in freestanding ASCs and hospital outpatient (HO) settings. METHODS For this project, the authors used the Florida State Ambulatory Surgery Database (SASD), offered by the Healthcare Cost and Utilization Project (HCUP), for the years 2013 and 2014. Patients undergoing outpatient lumbar decompression for degenerative diseases were identified using CPT (Current Procedural Terminology) and ICD-9 codes. Outcomes of interest included rates of overnight stays, rate of nonroutine discharges, index admission charges, and subsequent admission cumulative charges at 7, 30, and 90 days. Multivariable analysis was performed to assess the impact of outpatient type on index admission charges. Marginal effect analysis was employed to study the difference in predicted dollar margins between ASCs and HOs for each insurance type. RESULTS A total of 25,486 patients were identified; of these, 7067 patients (27.7%) underwent lumbar decompression in a freestanding ASC and 18,419 (72.3%) in an HO. No patient in the ASC group required an overnight stay compared to 9.2% (n = 1691) in the HO group (p < 0.001). No clinically significant difference in the rate of nonroutine discharge was observed between the two groups. The mean index admission charge for the ASC group was found to be significantly higher than that for the HO group ($35,017.28 ± $14,335.60 vs $33,881.50 ± $15,023.70; p < 0.001). Patients in ASCs were also found to have higher mean 7-day (p < 0.001), 30-day (p < 0.001), and 90-day (p = 0.001) readmission charges. ASC procedures were associated with increased charges compared to HO procedures for patients on Medicare or Medicaid (mean index admission charge increase $4049.27, 95% CI $2577.87–$5520.67, p < 0.001) and for patients on private insurance ($4775.72, 95% CI $4171.06–$5380.38, p < 0.001). For patients on self-pay or no charge, a lumbar decompression procedure at an ASC was associated with a decrease in index admission charge of −$10,995.38 (95% CI −$12124.76 to −$9866.01, p < 0.001) compared to a lumbar decompression procedure at an HO. CONCLUSIONS These “real-world” results from an all-payer statewide database indicate that for outpatient spine surgery, ASCs may be associated with higher index admission and subsequent 7-, 30-, and 90-day charges. Given that ASCs are touted to have lower overall costs for patients and better profit margins for physicians, these analyses warrant further investigation into whether this cost benefit is applicable to outpatient spine procedures.

Objective To describe neurologic signs, diagnostic imaging findings, potential treatments, and outcomes in dogs with subaxial cervical articular process subluxation and dislocation, or a "locked facet." Study design Retrospective case series. Animals Ten client-owned dogs. Methods Dogs with a diagnosis of cervical locked facets were identified through medical records and imaging reports searches. Data on presenting signs, diagnostic findings, treatment, and outcome were recorded. Results All cases were small or toy-breed dogs with preceding trauma. Four dogs were tetraplegic with intact pain perception, five were nonambulatory tetraparetic, and one was ambulatory tetraparetic, with half of the tetraparetic dogs having worse motor function in the thoracic limbs. The only sites affected were C5/6 (n = 6) and C6/7 (n = 4). All dogs had unilateral dorsal displacement of the cranial articular process of the caudal vertebra relative to the caudal articular process of the cranial vertebra at the luxation site. Five dogs were treated surgically, three by external coaptation, one by restriction, and one was euthanized the day after diagnosis. All dogs with outcome data (n = 8) became ambulatory. Nonambulatory dogs returned to ambulation in a median of 4 weeks (IQR 1-12; range 1-28). Conclusion In these dogs, locked facet injuries affected the caudal cervical vertebrae in small breeds and could be identified on imaging through the presence of dorsal displacement of a cranial articular process. Our small cohort had a functional recovery regardless of treatment. Clinical signiicance Locked facet injuries should be a differential for small or toy-breed dogs with a cervical myelopathy secondary to trauma.

With migration of medically complex patients undergoing more extensive surgical procedures to the ambulatory setting, selecting the appropriate patient is vital. Patient selection can impact patient safety, efficiency, and reportable outcomes at ambulatory surgery centers (ASCs). Identifying suitability for ambulatory surgery is a dynamic process that depends on a complex interplay between the surgical procedure, patient characteristics, and the expected anesthetic technique (eg, sedation/analgesia, local/regional anesthesia, or general anesthesia). In addition, the type of ambulatory setting (ie, short-stay facilities, hospital-based ambulatory center, freestanding ambulatory center, and office-based surgery) and social factors, such as availability of a responsible individual to take care of the patient at home, can also influence patient selection. The purpose of this review is to present current best evidence that would provide guidance to the ambulatory anesthesiologist in making an informed decision regarding patient selection for surgical procedures in freestanding ambulatory facilities.

Background: Human cadaveric allograft (HCA) and costal cartilage autograft (CCA) have been described for reconstruction during rhinoplasty. Neither are ideal due to infection, resorption, and donor site morbidity. The clear superiority of 1 graft over the other has not yet been demonstrated. This study assesses comparative costs associated with current grafting materials to better explore the cost ceiling for a theoretical tissue engineered implant. Materials and methods: A cost utility analysis was performed. Initial procedure costs include physician fees (CPT 30420), hospital outpatient prospective payments, ambulatory surgical center payments, and fees for the following: rib graft (CPT 20910), hospital observation, and DRG (155) for inpatient admission. Additional costs for revision procedure, included the following fees: physician (CPT 30345), rib graft, hospital outpatient prospective payment, and ambulatory surgical center payments. Total costs under each scenario were calculated with and without the revision procedure. Comparison of total costs for each potential outcome to the estimated health utility value allowed for comparison across rhinoplasty subgroups. Results: The mean cost of primary outpatient rhinoplasty using HCA and CCA were $8075 and $8342 respectively. Revision outpatient rhinoplasty averaged $7447 and increased to $8228 if costal cartilage harvest was required. Hospital admission increased the cost of primary rhinoplasty with CCA to $8609 for observational admission and to $13653 for 1 day inpatient admission. Revision CCA rhinoplasty with an inpatient admission complicated by pneumothorax increased costs to $21 099. Conclusion: Cost of rhinoplasty without hospitalization was similar between HCA and CCA and this cost represents the lower limit of a practical cost for an engineered graft. Considering complications such as need for revision or for admission after CCA due to surgical morbidity, the upper limit of cost for an engineered implant would approximately double.

Background We describe the implementation of enhanced recovery after surgery (ERAS) programs designed to minimize postoperative nausea and vomiting (PONV) and pain and reduce opioid use in patients undergoing selected procedures at an ambulatory cancer surgery center. Key components of the ERAS included preoperative patient education regarding the postoperative course, liberal preoperative hydration, standardized PONV prophylaxis, appropriate intraoperative fluid management, and multimodal analgesia at all stages. Methods We retrospectively reviewed data on patients who underwent mastectomy with or without immediate reconstruction, minimally invasive hysterectomy, thyroidectomy, or minimally invasive prostatectomy from the opening of our institution on January 2016 to December 2018. Data collected included use of total intravenous anesthesia (TIVA), rate of PONV rescue, time to first oral opioid, and total intraoperative and postoperative opioid consumption. Compliance with ERAS elements was determined for each service. Quality outcomes included time to first ambulation, postoperative length of stay (LOS), rate of reoperation, rate of transfer to acute care hospital, 30-day readmission, and urgent care visits ≤30 days. Results We analyzed 6781 ambulatory surgery cases (2965 mastectomies, 1099 hysterectomies, 680 thyroidectomies, and 1976 prostatectomies). PONV rescue decreased most appreciably for mastectomy (28% decrease; 95% confidence interval [CI], -36 to -22). TIVA use increased for both mastectomies (28%; 95% CI, 20-40) and hysterectomies (58%; 95% CI, 46-76). Total intraoperative opioid administration decreased over time across all procedures. Time to first oral opioid decreased for all surgeries; decreases ranged from 0.96 hours (95% CI, 2.1-1.4) for thyroidectomies to 3.3 hours (95% CI, 4.5 to -1.7) for hysterectomies. Total postoperative opioid consumption did not change by a clinically meaningful degree for any surgery. Compliance with ERAS measures was generally high but varied among surgeries. Conclusions This quality improvement study demonstrates the feasibility of implementing ERAS at an ambulatory surgery center. However, the study did not include either a concurrent or preintervention control so that further studies are needed to assess whether there is an association between implementation of ERAS components and improvements in outcomes. Nevertheless, we provide benchmarking data on postoperative outcomes during the first 3 years of ERAS implementation. Our findings reflect progressive improvement achieved through continuous feedback and education of staff.

Purpose The purpose of this study was to investigate the clinical features, surgical outcomes, and prognostic factors of penetrating keratoplasty (PKP) after open globe injury (OGI). Methods A retrospective review of all patients treated for OGI between January 2000 and July 2017 was conducted. Demographic, preoperative, perioperative, and postoperative data were collected for those who underwent PKP after OGI. The predictive value of each preoperative variable on graft failure was assessed using univariate and multivariable Cox proportional hazards models, and the predictive value of variables on post-PKP visual outcome was assessed using both univariate and multivariable logistic regression models. All eyes that underwent PKP after OGI were included unless they had less than 365 days of follow-up. Results Forty-six eyes that underwent PKP met inclusion criteria. The median age was 46 years (interquartile range = 23.00-61.25), median follow-up was 78.5 months (interquartile range = 38.63-122.02), and 37 of 46 subjects (80.4%) were male. The observed 1- and 5-year graft survival estimates were 80.4% and 41.7%, respectively. Factors statistically associated with graft failure in multivariable analyses were rejection episode, hazard ratio (HR) = 3.29; retinal detachment (RD), HR = 3.47; and endophthalmitis, HR = 6.27. Fifteen of 42 eyes (35.7%) regained ambulatory vision (20/200 or better). The strongest predictors of vision worse than 20/200 at the last follow-up were RD, odds ratio (OR) = 43.88; graft rejection, OR = 12.42; and injury outside the workplace, OR = 25.05. Conclusions Despite a high graft survival at 1 year, most of the patients did not regain ambulatory vision. Graft rejection, RD, and endophthalmitis were risk factors for graft failure. These factors should be considered when counseling patients regarding PKP after OGI.

Recovery of preoperative ambulation levels 1 month after surgery represents an important patient-centered outcome. The objective of this study is to identify clinical factors associated with the inability to regain baseline preoperative ambulation levels 28 days postoperatively. This is a prospective cohort study enrolling patients scheduled for elective inpatient abdominal operations. Daily ambulation (steps/day) was measured with a wristband accelerometer. Preoperative steps were recorded for at least 3 full calendar days before surgery. Postoperatively, daily steps were recorded for at least 28 days. The primary outcome was delayed recovery of ambulation, defined as inability to achieve 50% of preoperative baseline steps at 28 days postoperatively. A total of 108 patients were included. Delayed recovery (

Background Outpatient shoulder arthroplasty performed in an ambulatory surgery center has been shown to be a safe and cost-effective practice in appropriately selected patients. The decision to proceed with outpatient shoulder arthroplasty is based on a multitude of factors, including the patient's overall medical status, insurance type, social factors, and complexity of shoulder pathology. Currently, there is a paucity of literature that exists identifying the main drivers in determining in which setting, outpatient or inpatient, shoulder arthroplasty is performed. Methods A retrospective chart review of 1017 patients who underwent total shoulder arthroplasty (TSA) or reverse total shoulder arthroplasty at a single institution between January 2014 and February 2020 was performed. Each patient was screened for medical candidacy using a previously described evidenced-based patient selection algorithm based on age and cardiopulmonary risk factors. Clinical documentation and billing records were reviewed to determine the setting in which the shoulder arthroplasty was performed and the primary factors for determining inpatient shoulder arthroplasty. Results Overall 837 (82.3%) arthroplasties were performed inpatient, with at least a 23-hour hospital stay, and 180 (17.7%) were performed outpatient at a free-standing ambulatory orthopedic surgery center. The patient selection algorithm identified 522 (51.3%) patients as medical candidates for outpatient surgery. Poor candidacy based on medical risk stratification (495; 59.1%) and government insurance payors (231; 27.6%) were the most common reasons for a procedure to be performed in an inpatient setting. Among those deemed appropriate outpatient candidates but who had surgery in an inpatient setting, insurance status (231; 67.5%) was the most common reason, whereas additional medical or social concerns represented a smaller proportion (40; 11.7%). Eliminating shoulder arthroplasty as an inpatient-only code would have effectively transitioned 231 patients, 22.7% of the entire cohort, from an inpatient setting to an outpatient setting. Conclusions Medical stratification and insurance status both contribute significantly toward the decision to perform shoulder arthroplasty outpatient. Should policy change occur that eliminates shoulder arthroplasty from the Centers for Medicare and Medicaid Services inpatient-only distinction, a significant increase in outpatient shoulder arthroplasty volume would be expected. In the absence of insurance requirements, our data suggest that 40.4% of patients could safely undergo shoulder arthroplasty in an outpatient setting. Level of Evidence Level III

OBJECTIVE As Ambulatory Surgical Centers (ASCs) become more common in academic medical centers, large hospital systems must determine how to shift resident education from inpatient to outpatient surgical centers. This study aims to define stakeholders’ views regarding the integration of surgical residents into ASCs. DESIGN Long-form interviews lasting 30 to 60 minutes were conducted. Interviews were hand-transcribed and analyzed by qualitative analysis to determine benefits of learning in ASCs for residents, challenges that arise from integrating residents, and recommendations to improve resident incorporation. SETTING Interviews were conducted using a video conferencing platform. PARTICIPANTS Residency program directors, attending surgeons, graduate medical learners, and a nursing manager were interviewed. Twenty-one total interviews were conducted, representing ten different departments. RESULTS Stakeholders agreed that residents benefit from being placed in ASCs because the fast, surgical pace allows the residents to engage in more cases. However, different stakeholders highlighted different challenges, all centered around the notion of inter-stakeholder conflict due to conflicting priorities among residents, attending physicians, and administration. Likewise, recommendations differed by stakeholder group–faculty members sought more defined learning objectives and enhanced communication, whereas residents desired that ambulatory surgical time be more structured. CONCLUSIONS Despite the pressures of rapid case turnover, stakeholders agreed that there are many benefits to resident education in ASCs. Findings related to challenges and recommendations support the need to strengthen communication between stakeholder groups and better plan for resident integration into ASCs.

Background Recent literature supports that outpatient total shoulder arthroplasty (TSA) is a safe alternative to the traditional inpatient setting in appropriately selected patients; however, one concern with outpatient TSA is the inability to administer 24 hours of intravenous (IV) prophylactic antibiotics. The purpose of this study was to determine the infection and revision rates after outpatient TSA using single-dose preoperative IV antibiotics in an ambulatory setting and compare those to TSA performed inpatient with 24 hours of IV antibiotics. Methods An institutional database query was used to identify patients undergoing either primary anatomic TSA or reverse TSA. Patients were grouped into inpatient receiving 24 hours of IV antibiotics or outpatient receiving a single dose of IV antibiotics. Outcomes measured included overall infection (superficial and deep) and revision rates (infectious or noninfectious indications). Timing of infection was categorized as early (diagnosis 3 months postoperatively). Patient demographics and comorbidities were analyzed. Results Of the total 1022 patients identified, 896 were inpatient and received 24 hours of IV antibiotics, and 126 patients were outpatient and received a single dose of IV antibiotics prior to TSA at an ambulatory surgery center. Average follow-up was 23 ± 21 and 18 ± 16 months for the 24-hour antibiotic cohort and single-dose cohort, respectively. The 896 patients receiving 24-hour antibiotics were on average 10.3 years older than the 129 patients who received a single dose ( Conclusion Postoperative infection rates were low in both groups. There were no statistically significant differences in postoperative infection or revision rates. Patients in the single-dose cohort were significantly younger and had fewer comorbidities than patients in the 24-hour cohort; however, the single-dose cohort was more likely to have had previous nonarthroplasty shoulder surgery, which was most likely related to stricter patient selection criteria. The results of this study suggest that a single dose of IV antibiotic prophylaxis can be safely used in patients having outpatient TSA in an ambulatory center. Level of Evidence. Level III; Retrospective Cohort

BACKGROUND Ambulatory surgery growth has increased in the last few decades as ambulatory surgery centers have been shown to succeed in cost efficiencies through their smaller size and breadth, specialization of care, and ability to quickly participate in perioperative process improvement and education. METHODS A 5-year retrospective fiscal review was performed for all Northwell Health-physician ambulatory surgery center joint ventures. The outcome measures studied included model of ownership, specialty types, and gross revenue. Additional facility characteristics were studied, including growth trajectory, facility size, and cost to build a de novo facility. RESULTS Eleven free-standing ambulatory surgery centers were identified at Northwell Health during the 5-year study period. The total gross revenue for all Northwell clinical joint ventures for 2019 alone was $102,854,000. Northwell Health is a majority stakeholder in eight of their joint venture ambulatory surgery centers, with an average Northwell ownership of 53 percent and an average number of physician owners per facility of 11. The number of hospital-physician joint-venture ambulatory surgery centers grew from two to 11 facilities during the study period (450 percent). Surgical volume followed a similar trajectory, increasing 295 percent over the same time period. CONCLUSIONS The ambulatory surgery center setting provides a vast number of possibilities for key stakeholders, including patients themselves, to benefit from financial and clinical efficiencies. Ambulatory surgery centers have been popular, as they meet patient expectations for convenience of elective surgery, reduce payer and clinical pressures to minimize length of stay in hospitals, and achieve similar or higher quality care with less intense resources.

Objective: To compare levobupivacaine based caudal epidural anesthesia and spinal anesthesia in terms of Intraoperative hemodynamic changes and postoperative pain and patient comfort in subjects undergoing perianal surgery in outpatient setting. Material and methods: All consecutive patients who were scheduled for perianal surgery. The difference in intraoperative hemodynamic changes, sensory and motor block level, postoperative pain and patient comfort was the primary outcome measure of this study. Results: There were no significant differences between the groups in terms of mean arterial pressure and heart rate recorded. Subjects randomized to spinal anesthesia had a significantl extensive motor and sensory block compared to those randomized to caudal epidural anesthesia. Visual analogue scale scores for surgical pain at postoperative 12 hours was significantly higher in subjects receiving spinal anesthesia compared to those receiving caudal epidural anesthesia (p< 0.05). Time to first analgesic administration was significantly lower in subjects randomized to spinal anesthesia compared to those receiving caudal epidural anesthesia (p< 0.01). Conclusion: Spinal anesthesia is associated with more extensive sensory and motor block compared to caudal epidural anesthesia in patients undergoing perianal surgery. Both techniques lead to similar hemodynamic changes. Postoperative pain control is more favorable with caudal block than the spinal anesthesia.