Developments in machine learning in recent years have precipitated a surge in research on the applications of artificial intelligence within medicine. Machine learning algorithms are beginning to impact medicine broadly, and the field of spine surgery is no exception. Electronic medical records are a key source of medical data that can be leveraged for the creation of clinically valuable machine learning algorithms. This review examines the current state of machine learning using electronic medical records as it applies to spine surgery. Studies across the electronic medical record data domains of imaging, text, and structured data are reviewed. Discussed applications include clinical prognostication, preoperative planning, diagnostics, and dynamic clinical assistance, among others. The limitations and future challenges for machine learning research using electronic medical records are also discussed.
Background: The purpose of this study was to evaluate gender differences in patient outcomes and complications following total ankle replacement (TAR). Methods: Consecutive patients who underwent primary TAR from July 2007 through May 2016 were prospectively followed and retrospectively reviewed. Demographic, operative, patient-reported outcomes (PROs), and complication data were collected and analyzed. PROs included the visual analog scale (VAS), 36-Item Short-Form Health Survey (SF-36), American Orthopaedic Foot & Ankle Society (AOFAS) hindfoot scale, and Short Musculoskeletal Function Assessment (SMFA). A total of 475 patients were evaluated, including 248 males (52.2%) and 227 females (47.8%) with an average of 56.8 months follow-up. Results: Women were more likely to have inflammatory arthritis (13.7% vs 2.8%; P < .01) and significantly worse preoperative SF-36 total, SF-36 mental health component, AOFAS total, AOFAS pain, SMFA function, and SMFA bother scores (all P < .05). Both genders demonstrated significant improvement in PROs at 1, 2, and 5 years. The magnitude of improvement was similar between genders for all PROs (all P < .05) with the exception of SF-36 physical function, which was greater in men. Females underwent more nonrevision reoperations (32.2% vs 22.6%; P = .0191), but there was no significant difference in failure rates (male 7.3% vs female 3.5%; P = .07). The reoperation and failure rates at 2 years postoperation were 10.1% and 1.6% for men and 18.5% and 0.9% for women, respectively. Conclusions: Women undergoing TAR were more likely to have worse preoperative PROs and higher rates of nonrevision reoperations, which remains true when controlling for their increased incidence of inflammatory arthritis. However, women reported similar improvements in PROs and had similar prosthetic survival rates as men. Increased understanding of these disparities, combined with gender-based interventions, may further advance patient outcomes. Level of Evidence: Level III, therapeutic, retrospective comparative series
Fluoroscopy poses an occupational hazard to orthopedic surgeons. The purpose of this study was to examine resident and faculty understanding of radiation safety and to determine whether or not a radiation safety intervention would improve radiation safety knowledge. An anonymous survey was developed to assess attitudes and knowledge regarding radiation safety and exposure. It was distributed to faculty and residents at an academic orthopedic program before and after a radiation safety lecture. Pre- and post-lecture survey results were compared. 19 residents and 22 faculty members completed the pre-lecture survey while 11 residents and 17 faculty members completed the post-lecture survey. Pre-lecture survey scores were 48.3% for residents and 49.5% for faculty; post-lecture survey scores were 52.7% and 46.1% respectively. Differences between pre and post-survey scores were not significant. This study revealed low baseline radiation safety knowledge scores for both orthopedic residents and faculty. As evidence by our results, a single radiation safety information lecture did not significantly impact radiation knowledge. Radiation safety training should have a formal role in orthopedic surgery academic curricula.
Mentorship is a key aspect of medical education, but the availability and quality of mentorship varies considerably between institutions. The lack of standardization results in information asymmetry and creates notable inequities. This disparity is particularly important for students interested in pursuing competitive specialties, such as orthopaedic surgery. The purpose of this study was to (1) demonstrate the importance of mentorship in orthopaedics, (2) provide a framework for orthopaedic surgeon mentors, and (3) guide medical students interested in activating and expanding their networks.
Background: Considerable variability exists in return-to-play rates after anterior cruciate ligament (ACL) injury and reconstruction (ACLR) among National Football League (NFL) players of different positions. Purpose/Hypothesis: The purpose of this study was to compare return-to-play and performance levels by position in NFL players after ACLR. It was hypothesized that (1) ACL injuries have significant effects on the careers of NFL players, including return to play and performance, and (2) players of certain positions that involve relatively less pivoting and cutting perform better after ACLR. Study Design: Descriptive epidemiology study. Methods: All NFL players who underwent ACLR between 2013 and 2018 were identified using the FantasyData injury database. Player characteristics, snap count, games played, games started, and performance metrics were collected for 3 years before and after injury using the Pro Football Reference database. Performance was measured using an approximate value (AV) algorithm to compare performance across positions and over time. Nonparametric tests were used to compare the pre- and postinjury data and the percentage change in performance between different positions. Results: Overall, 312 NFL players were included in this study, and 174 (55.8%) returned to play. Of the eligible players, only 28.5% (n = 59/207) remained in the league 3 years postinjury. Within the first 3 years postinjury, players played in fewer games (8.7 vs 13.7; P < .0001), started in fewer games (3.0 vs 8.3; P < .0001), had lower AVs (1.5 vs 4.3; P < .0001), and had decreased snap counts (259.0 vs 619.0; P < .0001) compared with preinjury. Quarterbacks were most likely to return to play (92.9% vs 53.7%; P = .0040) and to return to performance (2% vs 50% decrease in AV; P = .0165) compared with the other positions. Running backs had the largest decrease in AV (90.5%), followed by defensive linemen (76.2%) and linebackers (62.5%). Conclusion: The study findings indicated that NFL players are severely affected by ACL injury, with only 28.5% still active in the league 3 years after the injury. Running backs, defensive linemen, and linebackers performed the worst after injury. Quarterbacks were most likely to return to play and had superior postinjury performance compared with the other positions.
Background: Independent orthopaedic practices in the United States have become attractive targets for acquisition by hospital systems and private equity (PE) firms because of the increasing demand for outpatient surgery. Consolidation in this market will have notable effects on the delivery and cost of orthopaedic services. In this study, we identified major trends in orthopaedic practice acquisitions over the past decade. Methods: A list of acquisition deals between 2010 and 2019 was compiled from four business databases: S&P Capital IQ, CB Insights, Thomson ONE, and Zephyr. Deals were categorized as PE-backed or not PE-backed. Headquarter locations of the buying and selling companies and transaction value were obtained for each deal when available. Results: A total of 68 deals were obtained of which 5 (7.4%) were PE-backed. The buyer and seller were located in the same state in 50 (73.5%) of the deals. Transaction values were available for only four deals ranging from $2.52 million to $35 million. Conclusion: Our results suggest that consolidation of orthopaedic practices from 2010 to 2019 was driven by large healthcare entities rather than PE firms. Furthermore, intrastate acquisitions were markedly more common than interstate acquisitions, possibly because of greater legal feasibility and ease of clinical integration.
In recent years, it has become increasingly important for physicians to understand the healthcare system holistically. Thus, some physicians have sought formal education in business through a Master’s in Business Administration (MBA). In this study, we looked specifically at orthopedic MD-MBAs and their career trajectories. We conducted a cross-sectional study of 127 orthopedic surgeons who have both MD and MBA degrees. Through online searches and phone calls, we compiled information regarding years in practice, fellowship training, practice type, non-clinical roles, and business school education. Almost all (96.85%) orthopedic MD-MBAs identified are still practicing clinically. The most common nonclinical roles are administration (38.58%), industry consulting (20.47%), and entrepreneurship (11.02%). Most (65.35%) pursued MBAs after medical school, but dual-degree programs are increasing in popularity. Almost all (88.57%) graduates of such programs have been practicing for less than 15 years. Orthopedic surgeons participate in a variety of nonclinical roles including administration, consulting, and entrepreneurship. For those currently in training, it is important to recognize the many opportunities that exist and the potential paths to pursuing them.
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