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Pickleball is the fastest growing sport in the United States. People of all ages participate in the sport, with the most being aged 35 years or older. Pickleball is a paddle and racket sport with a smaller court size, lighter racket, and similar rules as tennis. From 2019 to 2021, the number of pickleball players increased from 3.3 to 4.8 million. Historically, as a sport grows in popularity, there tends to be a linear increase in injuries. This review compiles data from retrospective studies containing emergency department data and case reports of specific injuries sustained playing pickleball. One factor that could be perceived as favorable concerning injury risk is the smaller court size compared with tennis, although no correlation has been found between court size and rate of injury. The most common injuries presenting to the emergency department among pickleball players were muscle strains, joint sprains, and fractures. Men were three times more likely to sustain muscle strains and joint sprains while women were three times more likely to sustain fractures. As the sport continues to grow, the tracking of injury types and mechanisms of injury will become important in informing injury prevention strategies and improved safety for players.
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BACKGROUND: Previous studies have demonstrated the safety and cost-effectiveness of outpatient total shoulder arthroplasty (TSA), with the majority of studies focusing on 90-day outcomes and complications. Patient selection algorithms have helped appropriately choose patients for an outpatient TSA setting. This study aimed to determine the outcomes of TSA between outpatient and inpatient cohorts with at least a 2-year follow-up. METHODS: A retrospective review identified patients older than 18 years who underwent a TSA with a minimum of 2-year follow-up in either an inpatient or outpatient setting. Using a previously published outpatient TSA patient-selection algorithm, patients were allocated into three groups: outpatient, inpatient due to insurance requirements, and inpatient due to not meeting algorithm criteria. Outcomes evaluated included visual analog scale (VAS) pain, American Shoulder and Elbow Surgeons (ASES) score, Single Assessment Numeric Evaluation (SANE) score, range of motion (ROM), strength, complications, re-admissions, and re-operations. Analysis was performed between the outpatient and inpatient groups to demonstrate the safety and efficacy of outpatient TSA with midterm follow-up. RESULTS: A total of 779 TSA were included in this study, allocated into the outpatient (N = 108), inpatient due to insurance (N = 349), and inpatient due to algorithm (N = 322). The average age between these groups was significantly different (59.4 ± 7.4, 66.5 ± 7.5, and 72.5 ± 8.7, respectively; P < 0.0001). All patient groups demonstrated significant improvements in preoperative to final patient-outcomes scores, ROM, and strength. Analysis between cohorts showed similar final follow-up outcome scores, ROM, and strength, with few significant differences that are likely not clinically different, regardless of surgical location, insurance status, or meeting patient-selection algorithm. Complications, reoperations, and readmissions between all three groups were not significantly different. CONCLUSION: This study reaffirms prior short-term follow-up literature. Transitioning appropriate patients to outpatient TSA results in similar outcomes and complications compared to inpatient cohorts with mid-term follow-up.
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BACKGROUND: Recovery after anatomic total shoulder arthroplasty (aTSA) and reverse total shoulder arthroplasty (rTSA) has many similarities; however, recently surgeons have suggested patients undergoing rTSA have a less difficult postoperative course with less pain compared with aTSA patients. Given the heightened awareness to postoperative pain control and opioid consumption, as well as the expanding indications for rTSA, we sought to determine the differences in pain and opioid consumption between aTSA and rTSA patients in a 12-week postoperative period. METHODS: A retrospective chart review was performed to identify all patients who underwent a primary aTSA or rTSA from January 2013 to April 2018 at a single institution. Patients with recorded visual analog scale (VAS) and American Shoulder and Elbow Surgeons (ASES) scores were included for analysis. Revision arthroplasties were excluded. VAS scores were recorded preoperatively and at standard 2-week, 6-week, and 12-week postoperative time points. P-values < 0.05 were considered statistically significant, except where Bonferroni corrections were applied. RESULTS: A total of 690 patients underwent TSA (278 aTSA, 412 rTSA). Preoperatively, aTSA and rTSA patient groups had similar VAS scores (6 vs 6, P = 0.38). Postoperatively, the aTSA group had a higher VAS at the 6-week visit, compared with rTSA patients (2.8 vs 2.2, P = 0.003). aTSA patients remained on opioids at a higher rate at the 2-week (62.4% vs 45.6%, P = < 0.001) time period. aTSA patients needed more opioid prescription refills before the 2-week (61.7% vs 45.5%, P = <0.001) and 6-week (40.4% vs 30.7%, P = 0.01) follow-up visits. CONCLUSIONS: Despite similar preoperative VAS and rates of preoperative opioid use, aTSA patients required more opioid medication refills and remained on opioids for a longer duration in the early postoperative period to achieve similar postoperative pain control as indicated by similar VAS. This study suggests that the recovery from rTSA is less difficult compared with aTSA as indicated by VAS and opioid consumption.
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BACKGROUND: Understanding the epidemiology of injuries to athletes is essential to informing injury prevention efforts. HYPOTHESIS: The incidence and impact of basketball-related injuries among National Basketball Association (NBA) players from 2013-2014 through 2018-2019 is relatively stable over time. STUDY DESIGN: Descriptive epidemiology study. LEVEL OF EVIDENCE: Level 3. METHODS: Injuries from 2013-2014 through 2018-2019 were analyzed using the NBA Injury and Illness Database from an electronic medical record system. Descriptive statistics were calculated for injuries by season, game-loss, and onset. Incidence rates were estimated using Poisson models and linear trend tests. RESULTS: Between 552 and 606 players participated in ≥1 game per season during the study. Annual injury incidence ranged from 1550 to 1892, with 33.6% to 38.5% resulting in a missed NBA game. Game-loss injury rates ranged from 5.6 to 7.0 injuries per 10,000 player-minutes from 2014-2015 through 2018-2019 (P = 0.19); the rate was lower in 2013-2014 (5.0 injuries per 10,000 player-minutes), partly due to increased preseason injury rates and transition of reporting processes. The 6-year game-loss injury rate in preseason and regular season games was 6.9 (95% CI 6.0, 8.0) and 6.2 (95% CI 6.0, 6.5) injuries per 10,000 player-minutes; the rate in playoff games was lower (P < 0.01) at 2.8 (95% CI 2.2, 3.6). Most (73%) game-loss injuries had acute onset; 44.4% to 52.5% of these involved contact with another player. CONCLUSION: From 2013-2014 through 2018-2019, over one-third of injuries resulted in missed NBA games, with highest rates of game-loss injuries in preseason games and lowest rates in playoff games. Most game-loss injuries had acute onset, and half of those involved contact with another player. CLINICAL RELEVANCE: These findings - through reliable data reporting by team medical staff in an audited system - can guide evidence-based injury reduction strategies and inform player health priorities.
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BACKGROUND: Preoperative teres minor insufficiency has been identified as a risk factor for poor restoration of external rotation (ER) after reverse total shoulder arthroplasty (RTSA). However, there has been little investigation regarding muscle activation patterns generating ER. This prospective study sought to determine the timing and activation levels of the shoulder girdle musculature during ER in well-functioning RTSAs with an intact teres minor using a lateralized design. METHODS: Patients who underwent RTSA ≥1 year previously with functional ER, an American Shoulder and Elbow Surgeons (ASES) score >70, superior rotator cuff deficiency, and an intact teres minor were identified. Electrophysiological and kinematic analyses were performed during ER in the modified neutral position (arm at side with 90° of elbow flexion) and in abduction (AB) (shoulder abducted 90° with 90° of elbow flexion). Dynamometer-recorded torque and position were pattern matched to electromyography during ER. The root-mean-square and integrated electromyography (in microvolts × milliseconds with standard deviation [SD]), as well as median frequency (MF) (in hertz with SD), were calculated to determine muscle recruitment. Pair-wise t test analysis compared muscle activation (P < .05 indicated significance). RESULTS: After an a priori power analysis, 16 patients were recruited. The average ASES score, visual analog scale pain score, and ASES subscore for ER in AB ("comb hair") were 87.7, 0.5, and 2.75 of 3, respectively. In AB, muscle activation began with the upper trapezius, middle trapezius, and latissimus dorsi, followed by the anterior deltoid activating to neutral. With ER beyond neutral, the teres major (9.6 µV × ms; SD, 9.2 µV × ms) initiated ER, followed by the teres minor (14.1 µV × ms; SD, 18.2 µV × ms) and posterior deltoid (11.1 µV × ms; SD, 9.3 µV × ms). MF analysis indicated equal contributions of the teres major (1.1 Hz; SD, 0.5 Hz), teres minor (1.2 Hz; SD, 0.4 Hz), and posterior deltoid (1.1 Hz; SD, 0.4 Hz) in ER beyond neutral. In the modified neutral position, the upper trapezius and middle trapezius were not recruited to the same level as in AB. For ER beyond neutral, the teres major (9.5 µV × ms [SD, 9 µV × ms]; MF, 1.1 Hz [SD, 0.5 Hz]), teres minor (11.4 µV × ms [SD, 15.1 µV × ms]; MF, 1.1 Hz [SD, 0.5 Hz]), and posterior deltoid (8.5 µV × ms [SD, 8 µV × ms]; MF, 1.2 Hz [SD, 0.3 Hz]) were activated in similar sequence and intensity as AB. No differences in muscle activation duration or intensity were noted among the teres major, teres minor, and posterior deltoid (P > .05). CONCLUSION: Active ER after RTSA is complex and is not governed by a single muscle-tendon unit. This study establishes a sequence, duration, and intensity of muscle activation for ER in well-functioning RTSAs. In both tested positions, the teres major, teres minor, and posterior deltoid function equally and sequentially to power ER.
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Artroplastía de Reemplazo de Hombro , Articulación del Hombro , Humanos , Manguito de los Rotadores/cirugía , Estudios Prospectivos , Hombro/cirugía , Rango del Movimiento Articular/fisiologíaRESUMEN
PURPOSE: The primary goal of this study was to investigate whether superior humeral head osteophyte (SHO) size is associated with rotator cuff insufficiency, including rotator cuff tear (RCT), supraspinatus tendon thickness, and fatty infiltration of the rotator cuff muscles. METHODS: Patients ≥ 18 years who were diagnosed with glenohumeral osteoarthritis were retrospectively reviewed. SHO size was determined by radiograph. MRI measured SHO and RCT presence, type, and size; supraspinatus tendon thickness; and fatty infiltration of rotator cuff musculature. RESULTS: A total of 461 patients were included. Mean SHO size was 1.93 mm on radiographs and 2.13 mm on MRI. Risk ratio for a RCT was 1.14. For each 1-mm increase in SHO size on radiograph, supraspinatus tendon thickness decreased by 0.20 mm. SHO presence was associated with moderate-to-severe fatty infiltration of the supraspinatus with a risk ratio of 3.16. CONCLUSION: SHOs were not associated with RCT but were associated with higher risk of supraspinatus FI and decreased tendon thickness, which could indicate rotator cuff insufficiency. LEVEL OF EVIDENCE: IV.
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Osteoartritis , Osteofito , Lesiones del Manguito de los Rotadores , Articulación del Hombro , Humanos , Manguito de los Rotadores/diagnóstico por imagen , Cabeza Humeral/diagnóstico por imagen , Osteofito/complicaciones , Osteofito/diagnóstico por imagen , Articulación del Hombro/diagnóstico por imagen , Lesiones del Manguito de los Rotadores/complicaciones , Lesiones del Manguito de los Rotadores/diagnóstico por imagen , Osteoartritis/complicaciones , Osteoartritis/diagnóstico por imagenRESUMEN
BACKGROUND: Outpatient total shoulder arthroplasty (TSA) presents a safe alternative to inpatient arthroplasty, while helping meet the rapidly rising volume of shoulder arthroplasty needs and minimizing health care costs. Identifying the correct patient for outpatient surgery is critical to maintaining the safety standards with TSA. This study sought to update an ambulatory surgery center (ASC) TSA patient-selection algorithm previously published by our institution. METHODS: A retrospective chart review of TSAs was performed in an ASC at a single institution to collect patient demographics, perioperative risk factors, and postoperative outcomes with regard to reoperations, hospital admissions, and complications. The existing ASC algorithm for outpatient TSA was altered based on collected perioperative information, review of pertinent literature, and anesthesiology recommendations. RESULTS: A total of 319 TSAs were performed in an ASC in 298 patients over 7 years. Medically related complications occurred in 3 patients (0.9%) within 90 days of surgery, 2 of whom required hospital admission (0.6%) for acute kidney injury and pulmonary embolus. There were no instances of major cardiac events. Orthopedic-related complications occurred in 11 patients (3.4%), with hematoma development requiring evacuation and instability requiring revision being the most common causes. CONCLUSIONS: There was a low rate of perioperative complications and hospital admissions, confirming the safety of TSAs in an ASC setting. Based on prior literature and the population included, a pre-existing patient-selection algorithm was updated to better reflect increased comfort, knowledge, and data regarding safe patient selection for TSA in an ASC.
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Artroplastía de Reemplazo de Hombro , Humanos , Estudios Retrospectivos , Procedimientos Quirúrgicos Ambulatorios/efectos adversos , Pacientes Ambulatorios , Selección de Paciente , Algoritmos , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiologíaRESUMEN
Technical complications are a leading cause of graft failure following anterior cruciate ligament reconstructions. Complications can occur during any phase of the procedure, from graft harvesting to tunnel preparation to graft fixation. Predicting potential causes of technical difficulty and developing strategies to avoid potential pitfalls can limit the number of intraoperative complications. If adverse events do occur intraoperatively, prompt recognition and treatment can lead to favorable outcomes. It is important to discuss strategies to understand potential complications and develop tactics to avoid and correct adverse events that can occur during anterior cruciate ligament reconstruction.
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Lesiones del Ligamento Cruzado Anterior , Reconstrucción del Ligamento Cruzado Anterior , Humanos , Ligamento Cruzado Anterior/cirugía , Reconstrucción del Ligamento Cruzado Anterior/efectos adversos , Complicaciones Intraoperatorias/etiología , Complicaciones Intraoperatorias/prevención & control , Complicaciones Intraoperatorias/cirugía , Complicaciones Posoperatorias/etiología , Complicaciones Posoperatorias/prevención & control , Complicaciones Posoperatorias/cirugía , Tendones/trasplante , Lesiones del Ligamento Cruzado Anterior/cirugíaRESUMEN
BACKGROUND: A corticosteroid flare reaction is a well-described phenomenon that causes significant pain and dysfunction. The paucity of literature impedes decision making regarding which corticosteroid to use for shoulder injection. The purpose of this study was to compare methylprednisolone acetate (MPA) and triamcinolone acetonide (TA) injections in the glenohumeral joint and/or subacromial space in terms of efficacy and the incidence of steroid flare reactions. METHODS: In this prospective, interrupted time series, parallel study, patients received injections in the glenohumeral joint and/or subacromial space. MPA and TA were used during 2 discrete 3-month periods. The injections consisted of 2 mL of lidocaine, 2 mL of bupivacaine, and 80 mg of either MPA or TA. Visual analog scale (VAS) pain scores were recorded immediately before injection; 1-7 days after injection; and 3, 6, and 12 months after injection. The primary outcome was the incidence of a steroid flare reaction, defined as a post-injection increase in the VAS score by ≥2 points. The secondary outcome was injection failure, defined as a post-injection VAS score greater than the baseline score or the need for another intervention. We used linear mixed models with a patient-level random intercept to identify the mean VAS score change for TA injections in the first week after injection. RESULTS: MPA or TA shoulder injections were administered in 421 patients; of these patients, 15 received bilateral-joint injections whereas 406 received a single-joint injection, for a total of 436 injections (209 MPA and 227 TA injections). Pain scores in the first week after injection were available for 193 MPA and 199 TA injections. Significantly more patients in the MPA cohort reported flare reactions compared with the TA cohort (22.8% vs. 4.0%, P < .001) during the first week after injection. In the first week after injection, the mean VAS score of patients receiving TA injections was 1.05 (95% confidence interval, 0.47-1.63) lower than that of patients receiving MPA injections when adjusted for age, sex, race, pain type, surgeon type, and injection site. At 3 months, surveys for 169 MPA and 172 TA injections were completed, with no significant difference in the rate of injection failure for MPA vs. TA (42.6% vs. 36.1%, P = .224). Treatment failure rates were significantly higher for MPA than for TA at 6 months (78.44% vs. 62.5%, P < .001) but not at 12 months (81.18% vs. 81.42%, P = .531.) CONCLUSION: TA injections resulted in a >5-fold reduction in steroid flare reactions, with statistically superior 6-month efficacy rates, compared with MPA injections. This study supports TA as a more viable corticosteroid option for shoulder injection.
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Metilprednisolona , Triamcinolona , Humanos , Metilprednisolona/efectos adversos , Hombro , Estudios Prospectivos , Análisis de Series de Tiempo Interrumpido , Corticoesteroides/uso terapéutico , Acetato de Metilprednisolona , Inyecciones Intraarticulares , Dolor , Resultado del TratamientoRESUMEN
BACKGROUND: The incidence of anterior cruciate ligament (ACL) tears in skeletally immature patients with an ACL bone contusion pattern has been sparsely investigated. The purpose of this study is to investigate whether physeal status has an influence on the likelihood of sustaining an ACL tear when classic bipolar ACL bone bruising pattern is present. METHODS: Magnetic resonance imaging reports were queried for "contusion" on all patients between 6 and 22 years between 2015 and 2019. Images were reviewed to denote all intra-articular pathology and the physeal status of the femur and tibia. The primary outcome was the incidence of ACL tears in patients with the presence of bipolar bone contusions. Fischer exact testing was used to determine associations. RESULTS: Of 499 patients included, 269 of those had bipolar bone contusions. Patients with bipolar bone contusions and ACL tears had a shorter duration between injury and imaging date compared with patients with ACL tears without bipolar bone contusions (6.9 vs. 38.6 d, P =0.05). Patients with an open femoral physis had a higher likelihood of having an intact ACL despite the presence of bipolar bone contusions than patients with a closed femoral physis (10.8% vs. 1.0%, P <0.001). Of patients with bipolar bone contusions, those with an intact ACL were younger than patients with an ACL tear (14.6 vs. 16.4, P =0.017). CONCLUSIONS: Although bipolar bone contusions of the central lateral femoral condyle and posterior lateral tibial plateau are typically found after ACL injury, these bipolar contusions can be found concomitantly with an intact ACL and were more often found in relatively younger patients. Patients who have an open femoral physis have a higher likelihood to have an intact ACL despite the presence of bipolar bone contusions compared with patients who have a closed femoral physis. LEVEL OF EVIDENCE: Level IV-cross-sectional.
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Lesiones del Ligamento Cruzado Anterior , Contusiones , Traumatismos de la Rodilla , Humanos , Ligamento Cruzado Anterior/diagnóstico por imagen , Ligamento Cruzado Anterior/patología , Traumatismos de la Rodilla/epidemiología , Estudios Transversales , Imagen por Resonancia Magnética/efectos adversos , Lesiones del Ligamento Cruzado Anterior/epidemiología , Tibia/patología , Fémur/patología , Contusiones/diagnóstico por imagen , Contusiones/epidemiología , Contusiones/complicacionesRESUMEN
BACKGROUND: Posterolateral tibial plateau and central lateral femoral condylar impaction fractures are known to occur in the setting of anterior cruciate ligament (ACL) tears. There have been no prior investigations into the incidence and morphology of posterolateral tibial plateau impaction fractures in the setting of ACL injury in a pediatric population. METHODS: Patients between 9 and 22 years of age with knee magnetic resonance imagings (MRIs) performed demonstrating complete or partial ACL tear were included in this study. MRI reports were reviewed to denote the presence of posterior cruciate ligament, medial collateral ligament, or lateral collateral ligament injury, meniscus tears, cartilage lesions. MRIs were reviewed by 2 fellowship-trained orthopaedic surgeons to denote the presence of posterolateral tibial plateau and central lateral femoral condylar impaction fractures and physeal status of femoral and tibial physes. Statistical analysis performed included χ 2 analysis and the Student t testing. RESULTS: A total of 328 patients with a primary ACL tear were identified. The mean age of patients included was 16.5 years (range: 9.0-21.5). The incidence of posterolateral tibial plateau impaction fractures was 83/328 (25.3%) while the incidence of lateral femoral condylar impaction fractures was 119/328 (36.3%). Bipolar impaction fractures occurred in 37/328 (11.3%). Of the 83 tibial impaction fractures identified, 82 were low-grade morphologic subtypes. Patients with lateral tibial plateau impaction fractures were older than those with no fracture (17.2±2.2 vs. 16.3±2.1, P =0.001). Only 3/38 (7.9%) patients with an open tibial physis sustained a tibial plateau impaction fracture compared with 80/290 (27.6%) with a closed tibial physis (χ 2 value: 6.9, P =0.009). There was no difference in proportion of patients with lateral femoral condylar impaction fractures based on femoral physeal status ( P =0.484). CONCLUSION: The incidence of posterolateral tibial plateau impaction fractures in the setting of ACL tear in a pediatric and young adult patient population appears to be lower while lateral femoral condylar impaction fractures occur more frequently when comparing to previously reported incidences found in adult populations in the literature. Furthermore, posterolateral tibial plateau impaction fractures occur less frequently in those with an open proximal tibial physis and high-grade posterolateral tibial plateau bone loss is exceedingly rare in pediatric and young adult patients. Lateral femoral condylar impaction fractures are associated with lateral meniscal tears and medial meniscal ramp lesions. LEVEL OF EVIDENCE: Level IV-cross-sectional study.
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Lesiones del Ligamento Cruzado Anterior , Fracturas de la Tibia , Humanos , Niño , Adulto Joven , Adolescente , Adulto , Estudios Transversales , Lesiones del Ligamento Cruzado Anterior/cirugía , Tibia/cirugía , Articulación de la Rodilla/cirugía , Fémur , Fracturas de la Tibia/diagnóstico por imagen , Fracturas de la Tibia/epidemiología , Fracturas de la Tibia/complicaciones , Imagen por Resonancia Magnética , Estudios RetrospectivosRESUMEN
Total knee arthroplasty (TKA) results in substantial improvement for most patients with end-stage arthritis of the knee; however, approximately 20% of patients have an unsatisfactory result. Although many problems contributing to an unsatisfactory result after TKA are best addressed by revision TKA, some problems may be effectively addressed with arthroscopic treatment. The categories of pathology that can be addressed arthroscopically include peripatellar soft-tissue impingement (patellar clunk syndrome and patellar synovial hyperplasia), arthrofibrosis, and popliteus tendon dysfunction. Recognizing these disease entities and the role of arthroscopic surgery in the treatment of these lesions may be helpful in achieving a good outcome in certain patients who are unsatisfied with their knee arthroplasty.
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Artroplastia de Reemplazo de Rodilla , Artropatías , Humanos , Artroscopía/métodos , Articulación de la Rodilla , Artroplastia de Reemplazo de Rodilla/efectos adversos , Artropatías/etiología , Rótula/cirugíaRESUMEN
The grit score is used to measure passion and perseverance for long-term goals. We hypothesized that higher grit scores would predict improved 90-day outcomes and reduced opioid requirements after primary arthroscopic rotator cuff repair (RCR). Included were 103 patients. The median grit score was 3.9 (2.2-5.0). There was no statistically significant association between grit and morphine milligram equivalents prescribed or patient-reported pain control. Higher grit score was associated with a significant reduction in opioid prescription refill at 6 weeks, though this association was not seen at 2 or 12 weeks. The odds of requiring opioid medication 6 weeks after RCR increased 3.5 times per each 1.0 unit decrease in grit score. Patients with higher levels of grit, especially a score over 4.0, have a less difficult postoperative course after RCR. The grit score may help identify patients who are at increased risk for prolonged opioid use after RCR. (Journal of Surgical Orthopaedic Advances 32(3):177-181, 2023).