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Background: Partial-thickness rotator cuff tears (PTRCTs), often considered less severe than full-thickness rotator cuff tears (FTRCTs), can be equally symptomatic. Despite the prevalence of PTRCTs, scholarly attention has predominantly focused on FTRCTs, resulting in a relative neglect of PTRCTs. This study aimed to assess the incidence of surgical repairs for PTRCTs in the United States (U.S.) using the Nationwide Ambulatory Surgery Sample (NASS) database and delineate practice patterns among a group of American Shoulder and Elbow Surgeons (ASES) members. Methods: The NASS database, representing approximately 67% of U.S. ambulatory surgical encounters, was queried to obtain the incidence of PTRCT and FTRCT repairs for the year 2019. Data on patient sex, hospital location, setting, teaching affiliation and size, and primary payor were also obtained. Separately, a retrospective chart review was conducted by 13 ASES research group members, collecting data on rotator cuff repairs performed from July 2021 to June 2022 at their individual institutions. Collected data included age, sex, extent and type of rotator cuff tears, duration of symptoms prior to surgical repair, and type and duration of nonoperative treatment. Results: The NASS database showed that PTRCT repairs accounted for at least 23% of the 187,787 rotator cuff repairs performed in 2019, with potential underestimation due to unspecified tear categorization. The retrospective chart review of the ASES research group revealed that PTRCT repairs constituted 27.8% of all rotator cuff repairs with substantial variability among institutions (8.6%-67.1%), that nonoperative measures were commonly employed, with a mean 12-month duration before surgical repair, and that the most common type of nonoperative treatment was supervised physical therapy combined with corticosteroid injection (37.7%). Discussion: This study revealed approximately one-fourth of all rotator cuff repairs conducted in the U.S. were attributed to PTRCTs with substantial variability in proportion of PTRCT repairs across individual orthopedic practices. The overall duration of nonoperative treatment was consistent with the existing literature. This study provides insights into the landscape of PTRCT repairs and associated practice patterns. Further investigation into factors influencing treatment decisions is warranted.

Background: Blue light therapy (BLT) is a Food and Drug Administration cleared modality used in dermatology as an effective treatment of acne. The primary purpose of this study is to determine if there are dose-dependent antimicrobial effects of BLT against Cutibacterium acnes (C. acnes). Methods: A known strain of C. acnes was grown on chocolate agar in a controlled laboratory environment under anaerobic conditions for 1 week. After 1 week, 2-3 colonies of C. acnes were isolated and transferred to broth medium to incubate for 2 or 7 days. Broth vials (treatment arm) then underwent 1 of 6 different blue light dosing treatment regimens and a duplicate broth vial served as a control left open to the same environment. The BLT regimens were a single treatment of 25 J/cm2, 50 J/cm2, 75 J/cm2, 100 J/cm2, 2 serial treatments of 50 J/cm2 separated by 24 hours, or 2 serial treatments of 75 J/cm2 separated by 24 hours. The Omnilux Blue device (415 nm wavelength) was used for all BLT treatments and delivered, on average, 1.68 ± 0.004 J/min. Following treatment, the control and treatment broth samples were plated on chocolate agar and allowed to grow for 7 days. After 7 days, plates were counted and colony forming units (CFUs) were calculated. Six trials were completed for each BLT dosing regimen based on an a priori power analysis of 6 individual 2-sided t-tests. Comparisons in the primary outcome were made via mixed-effects analysis of variance with replicate as a random effect. Results: All BLT treatment regimens resulted in significantly fewer CFUs than their aggregate control plate CFUs (P

Background: To evaluate if Hounsfield units (HU) measured on preoperative computed tomography (CT) scans at the anatomic neck of the proximal humerus correlates with intraoperative findings of the “thumb test” in assessment of bone quality in shoulder arthroplasty patients. Methods: Primary anatomic total shoulder and reverse total shoulder arthroplasty patients from 2019-2022 with an available preoperative CT scan of the operative shoulder were prospectively enrolled at a single center with 3 surgeons who perform shoulder arthroplasty. The “thumb test” was performed intraoperatively; a positive test signified “good bone.” Demographic information, including prior dual x-ray absorptiometry scans, was extracted from the medical record. HU at the cut surface of the proximal humerus were calculated, as was cortical bone thickness on preoperative CT. Fracture risk assessment tool (FRAX) scores were calculated for 10-year risk of osteoporotic fracture. Results: A total of 149 patients were enrolled. Mean age was 67.6 ± 8.5 years with 69 (46.3%) being males. Patients with a negative thumb test were significantly older (72.3 ± 6.6 vs. 66.5 ± 8.6 years; P

Background: Cutibacterium acnes is a common pathogen leading to postoperative shoulder infections. Many centers are utilizing 5% topical benzoyl peroxide (BPO) gel to decrease cutibacterium acnes bioburden prior to surgery. The purpose of this study was to evaluate patient compliance, tolerance, and side effects of applying BPO to the shoulder prior to surgery. Our hypothesis was that BPO would be well tolerated with few, minor side effects, and patients would comply with a regimen of 5 treatments spanning 48 hours prior to surgery. Methods: All patients undergoing operative intervention, either open or arthroscopic, about the shoulder from August 7, 2020, through July 15, 2021, by a single surgeon were instructed to apply BPO to the shoulder after showering, on dry skin, in the morning and evening, starting 48 hours before their surgical date. Patients were instructed to apply a half-dollar-sized quantity for each treatment. There were a total of 5 topical applications. On the day of surgery, patients were given a 6-question survey regarding side effects experienced, BPO treatments missed, ease of treatment, and a scenario question. Demographic information was collected, and a satisfaction survey was administered upon study completion. Results: A total of 183 patients out of a possible 284 eligible patients (64.4%) completed the survey. The median (interquartile range) age at surgery was 59.9 years. Sixty-four participants (35%) in the study cohort were female. One-hundred thirteen (61.7%) had an arthroscopic surgical approach, whereas 70 (38.3%) underwent open shoulder surgery. Most patients (N = 152, 83.5%) experienced no side effects from the topical 5% BPO gel treatments. Twenty-two (12.0%) patients missed 1 treatment, 10 (5.5%) missed 2 treatments, 1 (0.5%) missed 3 treatments, 3 (1.6%) missed 4 treatments, and 4 (2.2%) missed all 5 treatments. The majority of patients, 143 (78.1%), completed all 5 treatments. When prompted to choose between serial skin preparation treatments at home leading up to surgery or a single light-based decolonization procedure in the preoperative holding area on the day of surgery, 111 (60.7%) preferred to undergo antimicrobial treatment at home and arrive for surgery as otherwise scheduled. Conclusion: Serial preoperative applications of topical 5% BPO gel are well tolerated by the majority of patients. Over 20% of patients missed at least one application of BPO. Most patients prefer home-based antimicrobial treatments compared with arriving earlier on the day of surgery for a single light-based antimicrobial treatment.

Background: Orthopedic fellowship positions continue to be increasingly competitive, with most orthopedic residency graduates pursuing fellowship after completion of residency. Shoulder and elbow fellowship training represents an increasingly competitive and relatively smaller cohort of applicants than other subspecialties; there are only 29 programs with a total of 40 offered positions. The purpose of this survey is to identify and rank factors considered most important by shoulder and elbow fellowship directors when identifying potential fellowship candidates. Methods: A web-based survey was emailed to all 29 orthopedic shoulder and elbow fellowship directors recognized by American Shoulder and Elbow Surgeons. Demographic information was collected regarding program size, total number of applicants interviewed, and total number of applicants subsequently ranked. The survey also included a list of twelve applicant characteristics which each program director was asked to rank in a sequential order (most important to least). The median score of each factor was calculated, and a weighted score was applied to the top five (of twelve) categories selected by each program. Five points were given to the top-ranked factor. Four points were given to factors ranked 2nd, three points to factors ranked 3rd, two points to factors ranked 4th, and one point to factors ranked 5th. The weighted scores were then used to determine the most highly desired applicant characteristics. Results: Twenty-two of 29 (76%) orthopedic shoulder and elbow fellowship programs responded to the survey. Fourteen of 22 (64%) programs interview 20 or fewer applicants each year. No programs ranked more than 25 applicants. Twelve of 22 (55%) of program directors rated the interview as the most important factor, whereas 6 of 22 (27%) selected letters of recommendation. Based on the weighted score calculation, interviews, letters of recommendation, and personal connections to the applicant/letter writers comprised the top three categories, respectively, and captured 193 of 330 (58%) of the total available points in the weighted score. Strength of shoulder/elbow experience in residency, ties to the geographical area, and comments made regarding technical competence scored among the lowest factors. Conclusion: Orthopedic shoulder and elbow fellowship directors consistently ranked interviews, letters of recommendation, and personal connection to applicant/letter writer higher than other factors when ranking applicants. This information provides both program directors as well as applicants with important information to consider when navigating the shoulder and elbow fellowship application process.