Pollock, Jordan Riley

» There are limited data that directly compare the efficacy of antiseptic irrigation solutions used for the prevention and treatment of periprosthetic joint infections in orthopaedic procedures; there is a notable lack of prospective data. » For prevention of periprosthetic joint infections, the strongest evidence supports the use of low-pressure povidone-iodine. » For the treatment of periprosthetic joint infections, delivering multiple solutions sequentially may be beneficial.

Purpose The purpose of this study was to assess the price variation of various Medicare severity diagnosis‐related group codes for orthopaedic upper extremity procedures for the top 20 orthopaedic hospitals using chargemaster price listings from each hospital. Methods The top 20 orthopaedic hospitals in the United States were determined by querying the U.S. News and World Report ’s 2020 orthopaedic hospital ranking. This report ranks orthopaedic hospitals according to 4 major domains: outcomes, structure, process/expert opinion, and patient experience. Chargemaster data for the top 20 orthopaedic hospitals was compiled from their websites. Five DRG codes that represented orthopaedic upper extremity procedures were selected, and the pricing information for each was extracted from hospital chargemasters. The median income and cost‐of‐living index were also compiled for the county that each hospital is located in so that pricing data could be compared to economic measures through regression analysis. Results Of the top 20 orthopaedic hospitals, 18 had publicly available pricing information in DRG format on their websites. The DRG code with the highest pricing variability was Hand Injury Procedures (DRG 906; range, $12,832‐$253,633). The procedure with the least pricing variability was Hand or Wrist Procedures (DRG 514; range, $24,533‐$128,403). Additionally, only the cost of living index was a statistically significant predictor of procedure pricing with a weak correlation. Conclusion Hospital chargemaster listings are lacking in 2 major areas: true price transparency and standardization/consistency between hospitals. Chargemaster data are often difficult to find, confusing to patients, and inaccurate. Additionally, the price range for a single DRG code can also vary substantially depending on the hospital. It is possible that hospitals located in areas with high costs of living and median incomes would charge higher prices, but these factors were not found to support this hypothesis.

Purpose To identify the 50 most highly cited research publications in the sport of basketball. Methods Using the Clarivate Analytics Web of Knowledge database and the search term “basketball”, we identified 2,704 articles. These articles were filtered by the total number of citations and the top 50 most cited articles with a central focus on basketball were selected for this analysis. For each article, we further identified and analyzed author name, publication year, country of origin, journal name, article type, main research topic area, competitive level, gender of study population, and the level of evidence. Results Medicine‐related topics, particularly those involving knee injuries, are more common than nonmedical topics (coaching, sports psychology etc.) among the highest cited articles. Articles originated from 13 different countries, with 48% originating in the United States. Only four authors had more than one article included in the top 50 most cited articles. Conclusion A majority of the top 50 research articles were from English‐speaking countries, published after 2000, primarily focused on medicine‐related topics, and were Level III evidence. Publications examining knee injuries were the most highly cited and appear to be of high interest to current investigators. The prestige of an author’s name appeared to be less influential to the number of citations. Clinical Relevance The top 50 most cited articles list will provide researchers, medical students, residents, and fellows with a foundational list of the most important and influential academic contributions to the basketball literature.

Background: Decreases in Medicare reimbursement have been noted among many medical specialties. An in-depth analysis of the subspecialty of orthopaedic sports medicine is needed to determine changes in Medicare reimbursement in this field. Purpose/Hypothesis: The purpose was to elucidate the trends in inflation-adjusted Medicare reimbursement for orthopaedic sports medicine procedures between 2000 and 2020. It was hypothesized that Medicare reimbursement decreased substantially during the study period. Study Design: Economic decision and analysis; Level of evidence, 4. Methods: The Physician Fee Schedule Look-up Tool was used to extract Medicare reimbursement information between 2000 and 2020 for 67 procedures related to orthopaedic sports medicine. These values were adjusted for inflation using the Consumer Price Index. The compound annual growth rate (CAGR) was calculated to measure the annual rate of change, and descriptive analyses were performed using the Student t test. Results: Between 2000 and 2020, inflation-adjusted Medicare reimbursement for the 67 included procedures decreased by an average of 33% (CAGR = –2.2%; R 2 = 0.78). Reimbursement decreased for procedures related to the shoulder and elbow by 34% (CAGR = –2.3%; R 2 = 0.80), for hip-related procedures by 23% (CAGR = –1.4%; R 2 = 0.77), for knee-related procedures by 31% (CAGR = –2.0%; R 2 = 0.81), and for procedures relating to the foot and ankle by 38% (CAGR = –2.5%; R 2 = 0.79). Conclusion: Study findings indicated that inflation-adjusted Medicare reimbursement decreased substantially between 2000 and 2020 for orthopaedic sports medicine procedures, ranging from a 23% decrease for hip-related procedures to a 38% decrease for foot and ankle–related procedures. The results of this study could be used to provide further context for health care policy decisions and help ensure sustainable financial environments for orthopaedic sports medicine surgeon.

Purpose To examine and analyze Medicare reimbursement rates from 2000 to 2020 for orthopaedic foot and ankle procedures. Methods The 20 most used orthopaedic foot and ankle surgical procedures were gathered from the Centers for Medicare & Medicaid Services website using the Medicare Provider Utilization and Payment Data Public Use File 2017. The reimbursement data for each code were gathered from The Physician Fee Schedule Look‐Up Tool from Centers for Medicare & Medicaid Services. The reimbursement values were adjusted for inflation to 2020 U.S. dollars using the consumer price index. Results The average inflation‐adjusted reimbursement for included procedures decreased by 30% from 2000 to 2020. The greatest mean decreases were observed for “correction of hallux valgus” (–47%) and “partial excision of foot bone” (–41%). The procedures with the smallest mean decreases were observed in “treatment of “Amputation of toe” (–19%) and “closed treatment of metatarsal fracture” (–7%). Conclusions From 2000 to 2020, Inflation‐adjusted Medicare reimbursement for foot and ankle surgery decreased by 30%. Level of Evidence IV; economic analysis.

Background: In patients with femoroacetabular impingement, preoperative diagnostic injections are commonly used to establish a diagnosis of intra-articular pathology. In some cases, intra-articular steroid injections are also used for therapeutic purposes. Purpose/Hypothesis: The purpose of this study was to determine if a positive response to intra-articular steroid injection was predictive of superior outcomes after hip arthroscopy to determine if the response to intra-articular steroid injection was predictive of outcomes after hip arthroscopy. It was hypothesized that a positive response to a preoperative hip injection would be predictive of improved short- to midterm outcomes after hip arthroscopy. Study Design: Cohort study; Level of evidence, 3. Methods: This was a retrospective study of 208 patients who elected to have ultrasound-guided intra-articular steroid injection before they underwent hip arthroscopy between January 2016 and December 2016. Patients were divided into 2 groups: those who showed improvement in pain after the injection (steroid responder group) and those who showed no response (nonresponder group). The authors compared the preoperative and 2-year postoperative patient-reported outcomes (modified Harris Hip Score [mHHS] and Hip Outcome Score–Activities of Daily Living [HOS-ADL]) and radiographic findings between groups. Clinical endpoints, including rates of revision and conversion to total hip arthroplasty, were also reviewed. Results: There were 88 patients in the nonresponder group and 120 patients in the responder group, with no significant between-group differences in preoperative descriptive variables. The responder group had significantly higher 2-year mHHS and HOS-ADL, pre- to postoperative change in mHHS and HOS-ADL, percentage of patients achieving the patient acceptable symptomatic state (PASS) on the mHHS, and percentage of patients reaching the minimum clinically important difference and the PASS on the HOS-ADL. There was no difference in Tönnis grade, acetabular labrum articular disruption grade, revision rate, or conversion to total hip arthroplasty between the 2 groups. Conclusion: The response to preoperative intra-articular injection did aid in predicting 2-year patient-reported outcomes of hip arthroscopy for femoroacetabular impingement. Overall, the result of a preoperative intra-articular injection can be a helpful clinical tool for surgical decision-making and counseling patients on expected outcomes after hip arthroscopy.

Purpose To analyze recent trends in orthopaedic surgery consolidation and quantify these changes temporally and geographically from 2012 to 2020. Methods We performed a retrospective cross‐sectional analysis of orthopaedic surgeon practice size in the United States using 2012 and 2020 data obtained from the Physician Compare database. Results Although we observed an increase from 21,216 unique orthopaedic surgeons in 2012 to 21,553 in 2020 (1.6% increase), the number of practices experienced a large decrease from 7,299 practices in 2012 to 5,829 in 2020 (20.1% decrease). The proportion of orthopaedic surgeons working in solo practices decreased from 13.2% (2,790) in 2012 to 7.4% (1,595) in 2020, and the proportion of orthopaedic surgeons working in groups sized 2 to 24 decreased from 35.3% (7,482) in 2012 to 22.2% (4,775) in 2020. In contrast, groups sized 25 to 99 have grown from 20.7% (4,387) of all orthopaedic surgeons to 23.4% (5,048) in 2020. Groups sized 100 to 499 have increased from 16.9% (3,593) in 2012 to 24.1% (5,190) in 2020, whereas groups sized 500 or greater have grown from 14% (2,964) in 2012 to 22.9% (4,945) in 2020. The number of unique group practices showed a significant decrease in the number of solo groups, which comprised 43.8% (3,200) of the total number of individual practices in 2012, decreasing to 32% (1,886) in 2020. All other groups increased in number and proportionally from 2012 to 2020. Conclusions This study shows that over the period from 2012 to 2020, there has been a substantial trend of orthopaedic surgeons shifting to increasing practice sizes, potentially indicating that more orthopaedic surgeons are working for large health care organizations rather than small independent practices. Clinical Relevance The impact of these changes should be examined to determine large‐scale effects on patient care, payment models, access, and outcomes, along with physician compensation, lifestyle, and satisfaction.

Background: Although lower back injuries (LBIs) are common among National Collegiate Athletic Association (NCAA) female volleyball athletes, their incidence and etiology has not been well-defined. Purpose: To describe the epidemiology of LBIs in collegiate female volleyball athletes over a 5-year period from the academic years 2009 to 2010 and 2013 to 2014. Study Design: Descriptive epidemiology study. Methods: The incidence and characteristics of spine injuries were identified utilizing the NCAA Injury Surveillance Program database. Rates of injury were calculated as the number of injuries by the total number of athlete-exposures (AEs). AEs were defined as any student participation in any single NCAA-sanctioned practice or competition. The injury rate was computed as the number of injuries per the total number of AEs and reported as a ration of injuries per 10,000 exposures. The ratio was then reported as overall number as well as stratified for event, time of season, and athletic NCAA division. Incidence rate ratios were then calculated to compare rates between event type. Results with 95% CIs that did not include 1.0 were considered statistically significant. Results: An estimated 3384 LBIs occurred in NCAA female volleyball players during this 5-year time frame. These LBIs occurred at a rate of 4.89 injuries per 10,000 AEs. LBIs were 2.76 times more likely in preseason when compared with regular season. More injuries occurred in practice (85%) when compared with competition (15%). The outside hitter and middle blocker were the most commonly position to sustain an LBI. Almost 70% of injuries were new injuries, and another 29% were recurrent injuries. The most common mechanism of injury was equally split between contact (50.4%) and overuse (45.5%) injuries, whereas the remaining mechanisms of injury were secondary for unknown reasons (4.14%). Most players returned to play within 24 hours (72.3%) followed by 1 to 6 days (16.4%), and finally 7 to 12 days (11.3%). No patient required surgical intervention. Conclusion: The rate of LBIs was high (4.89/10,000 AEs) and injuries commonly recurred (29.2%). Most injuries were new, with most athletes returning to play with 24 hours.

Purpose To describe and compare the epidemiology of lumbar spine injuries (LSIs) in women’s and men’s ice hockey during the 2009‐2010 to 2013‐2014 academic years and to investigate sex‐specific differences, using data from the National Collegiate Athletic Association (NCAA) Injury Surveillance Program (ISP) database. Methods The incidence and characteristics of LSIs were identified utilizing the NCAA ISP. Rates of injury were calculated as number of injuries divided by total number of athlete exposures (AEs). AEs were defined as any student participation in one NCAA‐sanctioned practice or competition. Incidence rate ratios (IRRs) were calculated to compare rates of injury between season, event type, mechanism, injury recurrence, and time lost from sport, and injury proportion ratios (IPRs) were calculated to examine the differences in injury rates between men and women. Results There were a total of 165 LSIs from an average of 10 and 19 women’s and men’s teams, respectively, calculated to 1,254 LSIs nationally. Women were 2.48 times more likely to suffer a noncontact injury than men (95% CI: 1.33‐4.61), whereas men were more likely than women to suffer contact LSIs (IPR: .51 [95% CI: .28‐.92]). In Divisions II and III, women were 6.64 (95% CI: 4.14‐10.64) and 1.28 (95% CI: 1.12‐1.46) times more likely to suffer LSIs than men, respectively. Conclusions Women and men were similarly likely to suffer an LSI, but sex‐specific differences existed in a mechanism of injury and likelihood of injury within NCAA Divisions.

Purpose To determine the objective characteristics of orthopaedic foot and ankle fellowship directors (FDs) by concentrating on the demographic characteristics, academic background, institutional history, research experience, and professional affiliations of these leaders. Methods Data for each FD were collected by searching institutional biographies, personal websites, or publicly available curricula vitae. Data collection included the following variables: age, sex, race/ethnicity, previous training institutions, residency and fellowship graduation years, advanced degrees, military affiliation, institutional loyalty, year hired, FD career timeline, total number of publications, total number of citations, and h ‐index. Results Of the 47 FDs, 44 (93.6%) were men and 3 (6.4%) were women. The mean age was 50.8 ± 9.4 years. Most orthopaedic foot and ankle FDs were white (n = 42, 89.4%), followed by Asian (n = 4, 8.5%) and black or African American (n = 1, 2.1%). The mean Scopus h ‐index, total number of publications, and total number of citations for all foot and ankle FDs were 13.3 ± 9.5, 47.5 ± 45.8, and 898.1 ± 1,040.3, respectively. Among all foot and ankle FDs, the mean tenure in the FD position was 5.8 ± 4.6 years. Conclusions Orthopaedic foot and ankle FDs are primarily white men in their 50s, with minimal female and minority representations. These FDs are distinguished by their high level of research productivity. Additionally, orthopaedic foot and ankle training backgrounds seem to play an important role, given that most of the appointed FDs trained in only a few select programs. Clinical Relevance This study outlines some of the most important characteristics among foot and ankle FDs and identifies important disparities within this population of leaders that may have detrimental effects on the field.