Knee Surgery, Sports Traumatology, Arthroscopy最新文献

{"title":"Ramp lesions of the medial meniscus are associated with greater preoperative anterior knee laxity in anterior cruciate ligament injury.","authors":"Takeo Tokura, Kanto Nagai, Yuichi Hoshino, Kenjiro Okimura, Yuhei Otsuki, Kyohei Nishida, Noriyuki Kanzaki, Takehiko Matsushita, Ryosuke Kuroda","doi":"10.1002/ksa.12530","DOIUrl":"10.1002/ksa.12530","url":null,"abstract":"<p><strong>Purpose: </strong>To assess the incidence of ramp lesions in anterior cruciate ligament (ACL) injuries and to compare preoperative knee laxity between the patients with and without ramp lesions by using an electromagnetic measurement system (EMS).</p><p><strong>Methods: </strong>Two hundred six patients who underwent primary ACL reconstruction with preoperative EMS measurements were retrospectively enrolled in the present study. The diagnoses of the ramp lesions were made by arthroscopic inspections. The patients with ramp lesions and no other meniscal lesions were allocated to 'ramp group', and the patients without any meniscal lesions were allocated to 'control group'. Before ACL reconstruction under general anaesthesia, the side-to-side difference (SSD) in anterior tibial translation (ATT) during Lachman test (mm) and tibial acceleration (m/s²) of posterior tibial reduction during the pivot-shift test was measured using the EMS. The SSD in tibial internal/external rotation angle (°) at 30, 60 and 90 were further measured using the EMS. The SSD in ATT using KT-2000 was also measured. Knee laxity measurements were compared between two groups using unpaired Student's t test.</p><p><strong>Results: </strong>Ramp lesions were observed in 30 patients (14.7%). Subsequently, 17 patients were allocated to 'ramp group' and 77 patients to 'control group', and there were no statistical differences with regard to background demographics. ATT-SSD during Lachman test was significantly greater in 'ramp group' (9.1 [95% confidence interval, CI: 5.7-12.5] mm vs. 6.2 [95% CI: 5.1-7.3] mm, p = 0.037). However, SSD in ATT with KT-2000, tibial acceleration during pivot-shift test, and SSD in tibial rotational angles were not significantly different between the two groups.</p><p><strong>Conclusion: </strong>Presence of ramp lesion was associated with increased anterior knee laxity during Lachman test, suggesting ramp lesions may need to be addressed at the time of ACL reconstruction.</p><p><strong>Level of evidence: </strong>IV.</p>","PeriodicalId":17880,"journal":{"name":"Knee Surgery, Sports Traumatology, Arthroscopy","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142590963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Meniscal allograft transplantation in patients with substantial cartilage disease led to a sustained long-term improvement in patient-reported outcome measures.","authors":"Imran Ahmed, Chetan Khatri, Tim Spalding, Nick Smith","doi":"10.1002/ksa.12536","DOIUrl":"10.1002/ksa.12536","url":null,"abstract":"<p><strong>Purpose: </strong>Due to a lack of consensus regarding effective treatment options in young patients, the indications of meniscal allograft transplantation (MAT) have widened to include those with substantial cartilage disease. The aim of this study was to report the long-term patient-reported outcome measures (PROMs) and allograft survival rates for patients with substantial cartilage disease.</p><p><strong>Methods: </strong>A review of the prospectively maintained database was performed. Patients with International Cartilage Repair Society 3b or above cartilage grading in either their femur or tibia were classified as having substantial cartilage disease. Postoperative International Knee Documentation Committee, Tegner, Knee Injury and Osteoarthritis Outcome Score and Lysholm were compared between those with and without substantial cartilage disease. Kaplan-Meir analysis was used to assess the survival rates. Survival was defined as revision or removal of allograft or conversion to arthroplasty.</p><p><strong>Results: </strong>Data from 422 patients were included in the analysis with 129 patients found to have full-thickness chondral lesions and 281 patients without full-thickness chondral lesions. The mean follow-up was 6.33 (SD 3.48) years for the cohort. The mean age for the entire cohort was 30 (SD 9.23). Patients in substantial cartilage disease group underwent meniscal transplantation at an older age (32 [standard deviation {SD} 8.47] years vs. 29 [SD 9.35] years [p < 0.001]). There was no significant difference in PROMs between the two groups up to 10 years postoperatively (p > 0.05). The substantial cartilage disease group had significantly lower survival rates compared to those without (80.62% vs. 94.32%).</p><p><strong>Conclusions: </strong>MAT in the context of substantial cartilage disease was associated with an improvement in PROMs up to 10 years with no difference to the group without substantial cartilage disease. The PROMs in combination with the long-term survival rates in this study can be used to counsel patients preoperatively.</p><p><strong>Level of evidence: </strong>Level IV.</p>","PeriodicalId":17880,"journal":{"name":"Knee Surgery, Sports Traumatology, Arthroscopy","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142590951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"No difference in osteoarthritis, but less graft failures after 5 years, comparing anatomic double-bundle to anatomic single-bundle ACL reconstruction.","authors":"Cathrine Aga, Ingrid Trøan, Stig Heir, May Arna Risberg, Tariq Rana, Steinar Johansen, Morten Wang Fagerland, Lars Engebretsen","doi":"10.1002/ksa.12528","DOIUrl":"10.1002/ksa.12528","url":null,"abstract":"<p><strong>Purpose: </strong>The purpose of this study was to compare the incidence of knee osteoarthritis (OA) between the anatomic single-bundle (SB) and anatomic double-bundle (DB) anterior cruciate ligament (ACL) reconstruction technique after 5-year follow-up (FU). Secondary objectives were to compare patient-reported outcome measures (PROMs), clinical examination, activity level, functional tests and graft failures between the two groups.</p><p><strong>Methods: </strong>The study was a secondary analysis after 5-year FU of a randomized controlled trial (RCT) (Clinical Trials NCT01033188). One hundred and twenty patients between 18 and 40 years were randomized to either anatomic SB or anatomic DB reconstruction. The Kellgren-Lawrence (KL) classification grade ≥2 and the Osteoarthritis Research Society International (OARSI) atlas criteria score ≥2 were used for defining OA. Additionally, PROMs were obtained and clinical examinations of the knees were performed. Finally, the number of patients experiencing graft failure in each group was recorded.</p><p><strong>Results: </strong>Radiographic imaging was performed in 39 patients in the SB group and in 37 patients in the DB group. Four patients (10%) in the SB group and two (5%) in the DB group developed osteoarthritis according to the KL classification (p = 0.28). Five (13%) in the SB group and three (8%) in the DB group developed osteoarthritis according to the OARSI atlas criteria (p = 0.59; difference 5.0% [95% confidence interval, CI: -0.10 to 0.20]). There were no significant differences in the PROMs, clinical examinations, activity levels, or functional tests when comparing the two groups. Of initially 62 SB patients, 14 (23%) experienced graft failure compared to 4 (7%) of the 58 DB patients (p = 0.015; difference 0.016 [95% CI: 0.03-0.29]).</p><p><strong>Conclusion: </strong>At 5-year FU, there were no significant differences in the incidence of OA, PROMS, or other clinical findings comparing the anatomic DB to anatomic SB ACL reconstructed patients. There were fewer graft failures among patients treated with anatomic DB ACL reconstruction.</p><p><strong>Level of evidence: </strong>II.</p>","PeriodicalId":17880,"journal":{"name":"Knee Surgery, Sports Traumatology, Arthroscopy","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142590958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Zero incidence of culture-positive septic arthritis and low infection rate following ACLR with all-soft tissue quadriceps tendon autograft: An analysis of 1053 cases.","authors":"Jesse Seilen Und Aspang, John Kopriva, Jason Garry, Rebecca Haley, Austin Collins, Joseph D Lamplot, Harris Slone, John W Xerogeanes","doi":"10.1002/ksa.12540","DOIUrl":"10.1002/ksa.12540","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the infection rate following anterior cruciate ligament reconstruction (ACLR) using all-soft tissue quadriceps tendon (ASTQT) autograft.</p><p><strong>Methods: </strong>All primary ASTQT autograft ACLRs within a single surgeon's prospectively collected database from 2011 to 2021 were retrospectively reviewed. No topical antibiotics were administered and no graft-soaking with antibiotics was performed during the study period. Patients who underwent multiligament knee reconstruction or a cartilage restoration procedure were excluded. Patients who underwent a subsequent procedure, including irrigation and debridement (I&D) of the knee joint, were included. Case-specific data, including fluid culture analysis, antibiotics (type, route of administration and duration), time to debridement and method of debridement, were collected. Descriptive statistics were utilized to analyze demographics, incidence and possible association between the need for I&D and concomitant meniscus surgery.</p><p><strong>Results: </strong>Out of 1053 cases (mean age: 20.2 ± 6.3, 44.6% female), four patients (0.38%) (mean age: 18.5 ± 4.0, 25% female) underwent subsequent I&D (arthroscopic I&D only [n = 1], graft harvest site I&D only [n = 1], combined graft harvest site and arthroscopic I&D [n = 1] and tibia wound and arthroscopic I&D [n = 1]). There was no significant difference with regard to demographics. No joint fluid cultures returned positive; one wound culture returned positive for Methicillin-susceptible Staphylococcus aureus from their graft harvest site. The time to I&D ranged from 18 to 23 days. Concomitant meniscectomy or meniscal repair was not associated with requiring surgical I&D. All patients who underwent I&D were prescribed antibiotics for a minimum of 10 days and a maximum of 31 days (mean: 16.25 days). Three patients (75%) who underwent I&D ultimately returned to sport. One patient was lost to follow-up. ACL grafts were retained in all patients.</p><p><strong>Conclusion: </strong>The incidence of culture-positive septic arthritis following ASTQT autograft ACLR is 0%, while the overall need for I&D of 0.38% is low and not related to concomitant meniscal procedures or patient-specific factors.</p><p><strong>Level of evidence: </strong>Level IV.</p>","PeriodicalId":17880,"journal":{"name":"Knee Surgery, Sports Traumatology, Arthroscopy","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142590988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Compressive force and valgus torque are the predominant applied loads during the pivot shift exam: An in vitro study.","authors":"Niv Marom, Mark J Amirtharaj, Hamidreza Jahandar, David Z Shamritsky, Matthew A Tao, Hervé Ouanezar, Danyal H Nawabi, Thomas L Wickiewicz, Carl W Imhauser, Andrew D Pearle","doi":"10.1002/ksa.12504","DOIUrl":"10.1002/ksa.12504","url":null,"abstract":"<p><strong>Purpose: </strong>Despite the clinical utility of the pivot shift exam, the requisite applied forces and torques to elicit a pivot shift remain unclear. The purposes of this study are (1) to identify the greatest forces and torques applied to the knee during the pivot shift exam and (2) to evaluate if the applied loads differ among experienced surgeons.</p><p><strong>Methods: </strong>Three cadaveric hemipelvis-to-toe specimens (ages 53, 36 and 31 years; two males and one female) with no history of knee or hip injury were utilized. The experimental setup consisted of securing the hemipelvis to a mounting frame via an external fixator to simulate patient positioning during the clinical exam. The hemipelvis, femur, and tibia were spatially tracked by motion capture and the applied loads were measured using a 6-axis force-torque sensor. After sectioning the anterior cruciate ligament (ACL), three board-certified sports medicine surgeons then performed the pivot shift exam on each specimen utilizing their preferred technique. Forces (compression-distraction, anterior-posterior, and medial-lateral) and torques (varus-valgus, internal-external rotation, and flexion-extension) applied to the knee joint immediately preceding the reduction of the proximal lateral tibia during each pivot shift exam were calculated.</p><p><strong>Results: </strong>Compression was the largest applied force averaging 95 N ± 15 N for all surgeons and knees, which was at least 4.5 times greater, on average, than the applied anterior and applied medial tibial forces (p < 0.0001). Valgus was the largest of the three applied torques, averaging 8.5 ± 2.1 Nm. Internal rotation torque was 3.7 times less, on average, than the applied valgus torque (p < 0.0001). Each surgeon applied compressive force. However, anterior force was more variable among surgeons, with one of the three surgeons applying minimal anterior force (p ≤ 0.024). The magnitude of applied torques was similar among examiners (n.s).</p><p><strong>Conclusion: </strong>Compressive force and valgus torque were the predominant applied loads during the pivot shift exam. A lower magnitude of internal rotation torque was also applied. The anterior force was not consistently applied among examiners. These data can better inform clinical, cadaveric, and computational studies utilizing the pivot shift exam to assess knee biomechanics and can be used to educate trainees in conducting this complex manoeuvre.</p><p><strong>Level of evidence: </strong>An in vitro biomechanic study.</p>","PeriodicalId":17880,"journal":{"name":"Knee Surgery, Sports Traumatology, Arthroscopy","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142590942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of neuromuscular control on the shoulder function of patients with healed rotator cuff and those with retear after arthroscopic rotator cuff repair.","authors":"Jin Hyuck Lee, Ji Soon Park, Woong Kyo Jeong","doi":"10.1002/ksa.12517","DOIUrl":"https://doi.org/10.1002/ksa.12517","url":null,"abstract":"<p><strong>Purpose: </strong>To compare functional outcomes such as muscle strength, neuromuscular control and patient-reported outcomes (PROs) between patients with healed rotator cuffs and those with retears after arthroscopic rotator cuff repair (RCR).</p><p><strong>Methods: </strong>One hundred and nine patients who underwent arthroscopic RCR were included (85 in the healed group, 24 in the retear group). Shoulder muscle strength and neuromuscular control index (acceleration time [AT]) were evaluated using an isokinetic device. PROs were assessed using the pain visual analogue scale (VAS), Simple Shoulder Test (SST), American Shoulder and Elbow Surgeons (ASES) and University of California at Los Angeles (UCLA) scores. Continuous variables were compared using independent t tests. Multiple linear regression analysis was used to identify the influence of the predictor variables on the dependent variable.</p><p><strong>Results: </strong>The muscle strength and ATs for external rotators (ERs), internal rotators (IRs) and forward flexors as well as PROs including VAS, SST and ASES scores, were not significantly different between the two groups pre- and postoperatively (n.s.). Multiple linear regression analysis revealed that postoperative ATs for the IRs (p = 0.006) and ERs (p = 0.028) in the operated shoulders were closely associated with the postoperative UCLA score.</p><p><strong>Conclusions: </strong>Compared with the healed group after arthroscopic RCR, the retear group had no clinically relevant differences in muscle strength, ATs and PROs, including VAS, SST, ASES and UCLA scores. However, postoperative ATs for IRs and ERs in the operated shoulders were a significant predictor of postoperative UCLA scores. Therefore, clinicians and therapists need to be aware of the importance of neuromuscular control in patients who have undergone arthroscopic RCR and prioritize therapeutic exercises to restore neuromuscular control.</p><p><strong>Level of evidence: </strong>Level III.</p>","PeriodicalId":17880,"journal":{"name":"Knee Surgery, Sports Traumatology, Arthroscopy","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142581395","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"How statistically fragile are randomized controlled trials comparing quadriceps tendon autografts with hamstring or bone-patellar tendon-bone autografts in anterior cruciate ligament reconstruction?","authors":"Joshua Dworsky-Fried, Luca Bernardini, Prushoth Vivekanantha, Lauren Gyemi, Amit Meena, Sachin Tapasvi, Christian Fink, Darren de Sa","doi":"10.1002/ksa.12535","DOIUrl":"https://doi.org/10.1002/ksa.12535","url":null,"abstract":"<p><strong>Purpose: </strong>To determine the statistical fragility of randomized controlled trials (RCTs) which compare the use of quadriceps tendon (QT) autografts to either hamstring tendon (HT) or bone-patellar tendon-bone (BPTB) autografts in anterior cruciate ligament reconstruction (ACLR).</p><p><strong>Methods: </strong>A search was conducted across PubMed, MEDLINE and EMBASE databases for RCTs comparing QT autografts to HT or BPTB autografts in ACLR from inception to 21 April 2024. Studies that reported ≥1 statistically significant continuous outcome, statistically significant dichotomous outcome and/or nonsignificant dichotomous outcome were included for analysis. The fragility index (FI), continuous fragility index (CFI) and reverse fragility index (RFI) were calculated for significant dichotomous outcomes, significant continuous outcomes and nonsignificant dichotomous outcomes, respectively.</p><p><strong>Results: </strong>A total of 11 RCTs comprising 716 patients were included. The mean sample size was 65.8 patients. The median FI among nine outcomes from four studies was 1.0 (interquartile range [IQR], 0.5; 95% confidence interval [CI], 0.6-1.4; range 0.5-1.5). The number of patients lost to follow-up at the final follow-up period was more than the study-specific FI in three (75%) studies. The median CFI among 30 outcomes from six studies was 4.9 (IQR, 10.1, 95% CI, 3.9-8.2; range 0-18.2). The number of patients lost to follow-up at the final follow-up period was more than the study-specific CFI in four (66.7%) studies. The median RFI among 10 outcomes from five studies was 5.0 (IQR, 3.5; 95% CI, 3.4-6.6; range 1.0-9.0). The number of patients lost to follow-up at the final follow-up period was more than the study-specific RFI in four (80%) studies.</p><p><strong>Conclusion: </strong>This systematic review revealed that regardless of the metric used, RCTs comparing QT autografts to HT or BPTB autograft options in ACLR are statistically fragile. While the indices of statistical fragility evaluated in this study are important metrics of robustness to consider, their application in research and clinical practice needs to be further elucidated.</p><p><strong>Level of evidence: </strong>Level I.</p>","PeriodicalId":17880,"journal":{"name":"Knee Surgery, Sports Traumatology, Arthroscopy","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142576162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Autologous chondrocyte implantation, matrix-induced autologous chondrocyte implantation, osteochondral autograft transplantation and osteochondral allograft improve knee function and pain with considerations for patient and cartilage defects characteristics: A systematic review and meta-analysis.","authors":"Joseph E Nassar, Grace Guerin, Taidhgin Keel, Raffaella Russo, Filippo Familiari, Luke V Tollefson, Robert F LaPrade","doi":"10.1002/ksa.12525","DOIUrl":"https://doi.org/10.1002/ksa.12525","url":null,"abstract":"<p><strong>Purpose: </strong>Previous studies have reported on the outcomes of autologous chondrocyte implantation (ACI) versus matrix-induced ACI (MACI) and microfracture. Specific clinical outcomes of ACI, MACI, osteochondral autograft transplantation (OAT) and osteochondral allograft (OCA) have not been well studied. The purpose of this systematic review and meta-analysis was to analyze the outcomes of these regenerative surgical techniques with an emphasis on comparing their effectiveness using the International Knee Documentation Committee (IKDC) subjective score, the Lysholm Knee Scoring Scale, the Tegner Activity Scale and the Visual Analogue Scale (VAS) score for the surgical treatment of tibiofemoral joint cartilage defects.</p><p><strong>Methods: </strong>An electronic search of MEDLINE, Embase and Cochrane Library was performed to identify studies that reported clinical outcomes for ACI, MACI, OAT and OCA procedures. The literature review was conducted following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines and only studies involving cartilage defects in the tibiofemoral joint were included. Outcomes were measured with the IKDC evaluation, Lysholm Knee Scoring Scale, Tegner Activity Scale and the VAS. Outcomes were compared to the minimal clinically important difference (MCID) and patient acceptable symptom state (PASS). The methodological quality of the included studies was analyzed by the Methodological Index for Nonrandomized Studies and the Jadad scale.</p><p><strong>Results: </strong>Forty-seven studies were included representing a total of 1993 patients with a mean follow-up time of 57.2 ± 40.3 months (range: 4.0-160.0 months). The location of cartilage defects was reported in 46 studies, with a total of 1922 cartilage defects. There were 1277 medial femoral condyle cartilage defects, 488 lateral femoral condyle cartilage defects, 139 unspecified femoral condyle cartilage defects and 18 tibial plateau cartilage defects. All four procedures reported significant improvements in the Lysholm, IKDC, Tegner and VAS scores with no significant differences between them. The OAT technique surpassed the PASS threshold for the IKDC score while all four techniques surpassed the PASS threshold for Tegner and Lysholm scores. Additionally, all procedures met the MCID for each clinical outcome.</p><p><strong>Conclusion: </strong>This systematic review and meta-analysis indicate that ACI, MACI, OAT and OCA all result in significant improvements in knee function and pain for cartilage defects of the tibiofemoral joint. When selecting a procedure, patient and cartilage defect characteristics should be assessed to determine the best technique for each individual patient.</p><p><strong>Study design: </strong>Systematic review and meta-analysis.</p><p><strong>Level of evidence: </strong>Level III.</p>","PeriodicalId":17880,"journal":{"name":"Knee Surgery, Sports Traumatology, Arthroscopy","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142576146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Low-constraint insert with a medial pivot design as a potential predictor of favourable outcomes in cruciate-retaining total knee arthroplasty: A propensity score-matched analysis.","authors":"Yoshinori Okamoto, Takafumi Saika, Tomohiro Okayoshi, Takashi Ishitani, Hitoshi Wakama, Shuhei Otsuki","doi":"10.1002/ksa.12534","DOIUrl":"https://doi.org/10.1002/ksa.12534","url":null,"abstract":"<p><strong>Purpose: </strong>The influence of polyethylene insert conformity on the outcomes of cruciate-retaining (CR) total knee arthroplasty (TKA) with a medial pivot design remains uncertain. Therefore, this study aimed to evaluate the effects of polyethylene insert conformity in CR-TKA on patient-reported outcomes.</p><p><strong>Methods: </strong>The data of 255 knees (FINE Total Knee System) from 255 patients were retrospectively analysed to compare outcomes for high- or low-constraint medial pivot inserts, as determined through historical controls, over an average follow-up period of 2.2 years (range, 2.0-5.5 years). Multivariate logistic regression analysis was used to identify predictors of achieving the patient-acceptable symptom state (PASS) for the Forgotten Joint Score-12 (FJS-12). Propensity score-matched cohorts for age, sex, body mass index, Kellgren-Lawrence grade, Charlson Comorbidity Index, knee flexion contracture, FJS-12 and follow-up duration were created for between-group comparison (n = 50 in each group).</p><p><strong>Results: </strong>Low-constraint insert (p = 0.031) and age (p = 0.043) were independent predictors of achieving the PASS for the FJS-12 (>33, 153/255). After successful matching, compared to the high-constraint insert, the low-constraint insert improved patient satisfaction (p = 0.029 for pain on going up or downstairs, and p = 0.047 for the function of going upstairs) and increased the likelihood of achieving the minimal clinically important difference (p = 0.019) and PASS (p = 0.025) for the FJS-12. A significant correlation was observed between the posterior tibial slope and the FJS-12 in the low-constraint insert group (p < 0.001), indicating that a greater posterior tibial slope was associated with better functional outcomes in this group.</p><p><strong>Conclusions: </strong>Compared with high-constraint inserts, low-constraint medial pivot inserts yielded higher functional outcomes and patient satisfaction. Therefore, insert conformity may play a crucial role in CR-TKA outcomes.</p><p><strong>Level of evidence: </strong>Level III.</p>","PeriodicalId":17880,"journal":{"name":"Knee Surgery, Sports Traumatology, Arthroscopy","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142576176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Accuracy and reliability of imaging modalities for studying bipolar bone loss in anterior shoulder instability: A systematic review.","authors":"Marco Adriani, Maristella Francesca Saccomanno, Andrea Bergomi, Francesco De Filippo, Valerio Daffara, Giuseppe Milano","doi":"10.1002/ksa.12531","DOIUrl":"https://doi.org/10.1002/ksa.12531","url":null,"abstract":"<p><strong>Purpose: </strong>Recurrent shoulder instability, a common musculoskeletal disorder, often involves glenoid bone loss and Hill-Sachs lesions. However, the optimal imaging modality for accurately and reliably quantifying bipolar bone loss remains uncertain. This systematic review aims to evaluate the accuracy and reliability of various imaging modalities in assessing bipolar bone loss in anterior shoulder instability.</p><p><strong>Methods: </strong>Major electronic databases were searched for English-language studies reporting the measurement of glenoid track width and/or determination of on/off track HSL through imaging. Studies reporting statistical measures such as area under the curve, sensitivity, specificity, positive predictive value, NPV, intraobserver reliability and interobserver reliability were included. Data extraction and risk of bias assessment were performed independently by two reviewers.</p><p><strong>Results: </strong>The systematic review included 19 studies comprising 1567 shoulders. Overall, studies could be divided into those looking at the accuracy or reliability of determining glenoid track width, on- or off-track Hill-Sachs lesions and near-track lesions. Three-dimensional images of computed tomography (3D-CT) was the most reliable and accurate imaging modality to measure the glenoid track width. On the opposite, two-dimensional magnetic resonance imaging (2D-MRI) did not provide enough evidence of accuracy and reliability in the determination of On/Off track lesions and near-track lesions.</p><p><strong>Conclusion: </strong>3D-CT demonstrated excellent reliability for measuring glenoid track width. However, the reliability of 2D-MRI for determining on/off track Hill-Sachs lesions is still controversial.</p><p><strong>Level of evidence: </strong>Level III.</p>","PeriodicalId":17880,"journal":{"name":"Knee Surgery, Sports Traumatology, Arthroscopy","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142576140","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}