Orthopaedics & Traumatology-Surgery & Research最新文献

{"title":"Intriguing tumor, synovial sarcoma: Hard to diagnose, harder to treat.","authors":"Mustafa Onur Karaca, Kerem Başarır, Merve Dursun Savran, Seher Yüksel, Gülşah Kaygusuz, Hüseyin Yusuf Yıldız","doi":"10.1016/j.otsr.2025.104160","DOIUrl":"10.1016/j.otsr.2025.104160","url":null,"abstract":"<p><strong>Background: </strong>Synovial sarcoma (SS) is classified as an aggressive high-grade soft tissue sarcoma that predominantly affects the extremities. Despite its prevalence in the extremities (up to 80%), diagnostic and treatment challenges persist. This study aims to address these challenges by providing a comprehensive analysis of SS in extremities, focusing on diagnostic accuracy and treatment outcomes. The central questions of this study are: What are the diagnostic and treatment challenges associated with SS? How do tumor volume and histologic subtype influence prognosis? What role do immunohistochemistry and genetic markers play in SS diagnosis and management?</p><p><strong>Hypothesis: </strong>We hypothesize that larger tumor volume and poor histologic differentiation are associated with worse survival outcomes in patients with SS.</p><p><strong>Patients and methods: </strong>This retrospective study analyzed data from 63 patients diagnosed with SS between 2005 and 2020 at a single center. Patients with complete records of pathology, radiology, and surgery, and a minimum follow-up of 12 months were included. Tumor characteristics, treatment modalities, and follow-up data were reviewed.</p><p><strong>Results: </strong>The study included 63 patients and 65 tumors. The mean age was 38 ± 17 years. There were 31 females (49%) and 32 males (51%). SS predominantly affected the extremities (n = 63, 97%), especially the lower limbs (n = 49, 75%). Tumor volume, with a mean of 110 ± 176 cm³, was a significant factor, with tumors >30 cm³ associated with higher rates of metastasis (p = 0,006) and reduced survival (p = 0,027). Histologically, 25 (38%) were monophasic, 24 (37%) were biphasic, and 16 (25%) were poorly differentiated, with poorer survival linked to poorly differentiated subtypes. Immunohistochemistry showed high positivity rates for Bcl-2 (89%, 17/19), EMA (88%, 52/59), and TLE1 (87%, 13/15). SS18-SSX fusion gene detected in 73% of cases (8/11). Metastasis occurred in 27 (42%) patients and recurrence in 24 (37%). 15 (23%) patients died from the disease.</p><p><strong>Discussion: </strong>Accurate diagnosis of SS is crucial for effective management. Clinicians should be aware of negative predictive factors, including tumor volume >30 cm³ and poor histologic differentiation, when making treatment decisions. The study highlights the importance of extended follow-up due to the risk of late recurrence.</p><p><strong>Level of evidence: </strong>IV.</p>","PeriodicalId":54664,"journal":{"name":"Orthopaedics & Traumatology-Surgery & Research","volume":" ","pages":"104160"},"PeriodicalIF":2.3,"publicationDate":"2025-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142980671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Return to work after primary total knee replacement in patients under 55 years of age: a retrospective study of 129 cases.","authors":"Alexandre Couraudon, Pierre Capdevielle, Maud Gedor, Olivier Roche, François Sirveaux, Didier Mainard","doi":"10.1016/j.otsr.2025.104161","DOIUrl":"10.1016/j.otsr.2025.104161","url":null,"abstract":"<p><strong>Introduction: </strong>Primary total knee arthroplasty (TKA) has shown excellent results in the treatment of osteoarthritis, and its indications have now been extended to younger patients of working age. Few articles in the literature have studied the return to work of young subjects, and no specific studies have been conducted in France. Therefore, we carried out a retrospective study to 1) investigate the rate and delay of return to work after primary TKA in a population under 55 years of age and 2) identify factors influencing early return to work before 3 months, the period usually used as the duration of initial work stoppage (TS).</p><p><strong>Hypothesis: </strong>The hypothesis of this study was that the rate and time to return to work were similar to those of other Western studies.</p><p><strong>Materials and methods: </strong>This was a single-center retrospective study including all patients under 55 years of age who underwent primary TKA between 2010 and 2019, regardless of their professional status. A questionnaire collected all socioeconomic and medical information, time to return to work, and factors influencing it. Our population consisted of 223 TKAs (201 patients), with a participation rate of 64%. Among 129 patients, with a mean age of 50.3 ± 4.6 years [29-55], 109 were working (84%).</p><p><strong>Results: </strong>Ninety-four of 109 patients (86.2%) returned to work after surgery at a mean time of 17.3 ± 10.6 weeks [12-24]. Previous hip or knee prosthetic surgery had a significant negative influence on the rate of return to work (OR 0.08; 95% CI [0.008; 0.7] [p = 0.027]). Manual workers returned to work significantly earlier (OR 8.2; 95% CI [1.6; 51.4] [p = 0.017]). A total of 56 patients (43.4%) were off work preoperatively, for a mean time of 16.7 ± 17.8 weeks [4,13-24], and 49 of these patients returned to work (87.5%) at a mean time of 18.7 ± 11 weeks [12-24] compared with patients who did not receive a preoperative work stoppage (WK) (p = 0.7).</p><p><strong>Conclusion: </strong>The hypothesis was only partially confirmed. Compared with patients in other Western countries, French patients under 55 years of age who underwent primary TKA surgery appeared to return to work at the same rate but with a longer delay. Patients on WT prior to surgery were more likely to return to work after the operation, although this difference did not reach the significance threshold.</p><p><strong>Level of evidence iv: </strong>Retrospective observational study.</p>","PeriodicalId":54664,"journal":{"name":"Orthopaedics & Traumatology-Surgery & Research","volume":" ","pages":"104161"},"PeriodicalIF":2.3,"publicationDate":"2025-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142980685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Biomechanical assessment of ligament maturation after arthroscopic ligament reconstruction of the anterior talofibular ligament.","authors":"Grégoire Rougereau, Tristan Langlais, Marc Elkaim, Manon Bachy, Thomas Bauer, Raphael Vialle, Alexandre Hardy","doi":"10.1016/j.otsr.2025.104162","DOIUrl":"10.1016/j.otsr.2025.104162","url":null,"abstract":"<p><strong>Background: </strong>Many techniques have been described for lateral ankle ligament reconstruction. Although the biomechanical properties of gracilis tendons are different from those of ligaments, the use of a gracilis tendon autograft is a popular option for anatomical reconstruction. Graft maturation and the biomechanical processes over time remain unclear. This study describes changes in graft stiffness following anterior talofibular ligament (ATFL) reconstruction and graft reaction to varus stress.</p><p><strong>Hypothesis: </strong>The reconstruction would be stiffer than the native ATFL, but would decrease during follow-up.</p><p><strong>Methods: </strong>Twenty patients were prospectively included after arthroscopic reconstruction of the ATFL and calcaneofibular ligament for ankle stabilization. All patients were followed up 3, 6, and 12 months after surgery to assess graft stiffness by shear wave elastography (SWE) at different angles of varus in the ankle. At one year the EFAS and AOFAS functional scores were obtained. A control group of twenty healthy subjects were included to compare graft stiffness to that of a native ATFL.</p><p><strong>Results: </strong>The stiffness of the native ATFL in the control group was 12.8 +/- 2.4 kPa in neutral position, 18.4 +/- 4.8 kPa at 15 ° of varus, 31.9 +/- 6.6 kPa at 30 ° of varus. One year after surgery, graft stiffness was statistically higher and averaged 56 +/- 9 kPa, 70.2 +/- 11.6 kPa and 84.9 +/- 10.5 kPa, respectively. Postoperative graft stiffness at three, six, and twelve months was not correlated with any of these scores, reflecting patient satisfaction and good function at one year.</p><p><strong>Conclusion: </strong>Graft stiffness decreases over time but remains four times stiffer than that of a native ATFL at one year in the neutral position. ATFL graft stiffness at one year during varus stress appears to be different from that of a native ATFL.</p><p><strong>Level of evidence: </strong>III.</p>","PeriodicalId":54664,"journal":{"name":"Orthopaedics & Traumatology-Surgery & Research","volume":" ","pages":"104162"},"PeriodicalIF":2.3,"publicationDate":"2025-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142980668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A ten-year prospective randomized trial comparing non-operative treatment to hook plate fixation for Rockwood III acromio-clavicular dislocation.","authors":"Reinemary Michael, Karine Sinclair, Luc Bédard, Étienne Belzile, Julien Caron, Emanuelle Villemaire-Côté, Stéphane Pelet","doi":"10.1016/j.otsr.2025.104159","DOIUrl":"10.1016/j.otsr.2025.104159","url":null,"abstract":"<p><strong>Background: </strong>Despite new modern surgical techniques, no short-term functional differences have been demonstrated between operative and non-operative treatment for acute acromio-clavicular (AC) dislocations Rockwood III-V. Few studies describe the long-term clinical and radiological results of these lesions. We aim to compare the one- and ten-year outcome of patients either treated non-operatively or with hook plate fixation for Rockwood III AC lesions.</p><p><strong>Hypothesis: </strong>Non-operative treatment is not inferior to surgical treatment at short and long-term follow-up when considering patient function and radiological degenerative changes.</p><p><strong>Patients and methods: </strong>Prospective randomized trial including 56 consecutive patients aged between 18 and 60, admitted to a level one trauma center for an acute Rockwood III AC joint dislocation. Patients were randomized to two groups: non-operative or surgical treatment with hook plate. Outcome measures were obtained by an independent examiner and included Constant score, DASH score, complications, and radiological results at one and minimum ten years (last visit delayed due to COVID-19 pandemia). Data analysis with a 5% alpha error.</p><p><strong>Results: </strong>We observed no difference between the two groups for the Constant score at one year (non-operative 93.3 ± 7.4 vs surgical 92.7 ± 6.7, p = 0,41) and ten years (93.3 ± 10 vs 98.2 ± 5.2, p = 0,08). Similar results for all other clinical outcomes were censed. The reoperation rate was higher in the surgical group (88.5 vs 3.3%, p < 0,01), but consisted of hardware removal in most cases. Radiological degenerative changes were present in both groups at ten years (non-operative 33.3% vs surgical 50%, p = 0,24).</p><p><strong>Discussion: </strong>This study confirmed that non-operative treatment was not inferior to surgical treatment with a hook plate for acute Rockwood III AC joint lesion at both short and long-term follow-up periods. Patients treated non-operatively achieved very high clinical scores, nearly equivalent to normal function. Further research should identify the patient-specific risk factors associated with the rare cases of failed non-operative treatment.</p><p><strong>Level of evidence: </strong>I; randomized controlled study, therapeutic.</p>","PeriodicalId":54664,"journal":{"name":"Orthopaedics & Traumatology-Surgery & Research","volume":" ","pages":"104159"},"PeriodicalIF":2.3,"publicationDate":"2025-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142973373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Risk factors for complications following volar locking plate fixation of distal radial fractures.","authors":"Jean-Loup Tanner, Antoine Bossée-Pilon, Christophe Andro, Dominique Le Nen, Rémi Di Francia, Hoel Letissier","doi":"10.1016/j.otsr.2024.104151","DOIUrl":"https://doi.org/10.1016/j.otsr.2024.104151","url":null,"abstract":"<p><strong>Introduction: </strong>With the aging population comes an increase in the number of distal radial fractures and therefore in the number of cases requiring volar locking plate (VLP) fixation. The complication rates after VLP fixation vary greatly from one study to the next. Several authors have already focused on these complications and how to lower their rate. The aim of this study was to identify risk factors for complications after VLP fixation of distal radial fractures that lead to implant removal.</p><p><strong>Hypothesis: </strong>Implant removal (except systematic removal) after VLP fixation can be predicted by risk factors for complication.</p><p><strong>Materials and methods: </strong>There were 2951 patients included in the study and divided into two groups: fixation without implant removal and fixation with implant removal. Then, intrinsic factors (age, sex, dominant side, tilt, type of fracture based on the AO classification (extra-articular - partial articular - complete articular - fracture); as well as one extrinsic factor (plate position according to the Soong classification compared to the watershed line) were identified. For all these factors, the relative risk (RR) was computed using univariate and multivariate models. The risk factors that reached statistical significance (p < 0.02) were used in the multivariate analysis.</p><p><strong>Results: </strong>The univariate and multivariate analyses identified three risk factors for complications, i.e. implant removal: being under 62 years of age (RR = 1.99; CI 1.56-2.54, p < 0.0001), type 2R3C fracture according to the AO classification (RR = 1.50; CI 1.17-1.93, p = 0.0050) and Soong grade 2 plate position (RR = 1.73; 1.32-2.26, p < 0.0001).</p><p><strong>Conclusion: </strong>Our study showed that plate position recorded as grade 2 was a risk factor for complications and therefore implant removal. This is an extrinsic factor that is implant and surgeon dependent. Moreover, intrinsic factors were also identified such as age and type of fracture. Assessing these risk factors after VLP fixation of distal radial fractures may lead to early detection of these complications and an opportunity to propose implant removal as a preventive measure.</p><p><strong>Level of evidence: </strong>III.</p>","PeriodicalId":54664,"journal":{"name":"Orthopaedics & Traumatology-Surgery & Research","volume":" ","pages":"104151"},"PeriodicalIF":2.3,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142916090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Foot growth disorder after surgery of lower limb malignant bone tumor in a pediatric series.","authors":"Eric Mascard, Stéphanie Pannier, Nathalie Gaspar, Philippe Wicart, Antoine Laquievre, Pablo Berlanga, Mathilde Gaume, Christopher Glorion, Nathan Dolet","doi":"10.1016/j.otsr.2024.104150","DOIUrl":"10.1016/j.otsr.2024.104150","url":null,"abstract":"<p><strong>Bakground: </strong>Child malignant bone tumors often develop near growth cartilage. The gold standard surgery consists in large segmental resection. This resection often requires the sacrifice of growth cartilage, leading to inequality of limb length. Prothesis are used for reconstruction when the epiphysis is resected, otherwise different strategies of osteosyntheses and grafts may be an option.</p><p><strong>Hypothesis: </strong>The aim of the study was to analyze the foot size inequality after surgery of lower limb malignant bone tumor in patients with growth residual.</p><p><strong>Patients and methods: </strong>A retrospective study analyzed the data of 60 patients followed in an oncology pediatric center, between January 2008 and December 2018, for surgically treated malignant bone tumor. All surgeries were realized between January 1992 and December 2013. The primary outcome was the foot size inequality at the last consultation. Categorical variables were described by frequencies and percentages, and compared with Student tests. Continuous variables were described by median and interquartile range, the linear relationship between the foot size inequality and the explanatory variables were analyzed with Pearson tests.</p><p><strong>Results: </strong>A foot size inequality of 1.15 cm [-0.5-3] was measured, a statistically significant difference (p < 0.0001). Younger children had a greater difference, as the patients with a greater final leg inequality. The children who required several surgeries because of mechanical issues also had a higher foot length difference.</p><p><strong>Discussion: </strong>The foot length inequality after bone tumor surgery of the lower limb in children with residual growth potential is a reality not enough described.</p><p><strong>Level of evidence: </strong>IV.</p>","PeriodicalId":54664,"journal":{"name":"Orthopaedics & Traumatology-Surgery & Research","volume":" ","pages":"104150"},"PeriodicalIF":2.3,"publicationDate":"2024-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142923890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Long-Term Survival Analysis of Low Back Pain Onset in Patients Undergoing Hip Prosthesis Surgery: A Kaplan-Meier Study.","authors":"Francisco José Gallego Peñalver, Silvia B Romero de la Higuera, Pedro Cía Blasco, Eva María Gómez Trullén","doi":"10.1016/j.otsr.2024.104149","DOIUrl":"https://doi.org/10.1016/j.otsr.2024.104149","url":null,"abstract":"<p><strong>Introduction: </strong>Total hip arthroplasty has been associated with the onset of low back pain, which can significantly impact patients' quality of life. However, a detailed evaluation of the time until the onset of long-term low back pain following total hip arthroplasty remains largely unknown. This study aimed to explore the relationship between total hip arthroplasty and the development of long-term lower back pain. Through survival analysis, we examined the time of onset of low back pain in a cohort of patients who underwent the procedure, providing a detailed temporal perspective of this postoperative complication.</p><p><strong>Hypothesis: </strong>The onset of low back pain in patients undergoing total hip arthroplasty tends to manifest in the medium and long term.</p><p><strong>Materials and methods: </strong>A survival study using the Kaplan-Meier method was conducted on 299 patients who underwent total hip arthroplasty between 2010 and 2020 at the Hospital Clínico Universitario Lozano Blesa in Zaragoza. The event of interest was the occurrence of low back pain during monthly follow-ups, which was subsequently stratified by sex and body mass index (BMI). Death and the end of the study follow-up were considered as censored data.</p><p><strong>Results: </strong>The sample comprised 67.6% men and 32.4% women. Additionally, 68.2% of patients were overweight or had grade 1 obesity. During the follow-up of the entire sample, 96 patients developed low back pain, with 28 cases occurring within the first 2 years. The 50% survival of the population without low back pain was established at 39 months, with a mean follow-up of 112.25 months (95% CI 105.87-118.62). Significant differences were observed in the onset of lower back pain in men when considering different BMI grades. However, no significant differences were found between sexes or among different BMI groups when gender was not taken into account.</p><p><strong>Discussion: </strong>The results of this study provide valuable information on the survival of patients undergoing total hip arthroplasty who experienced low back pain over an extensive follow-up period. These findings have significant implications for clinical practice, indicating that patients undergoing total hip arthroplasty should be informed of this potential risk.</p><p><strong>Level of evidence: </strong>IV; retrospective case series study.</p>","PeriodicalId":54664,"journal":{"name":"Orthopaedics & Traumatology-Surgery & Research","volume":" ","pages":"104149"},"PeriodicalIF":2.3,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142904025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Arthroscopic evaluation of anatomical variations of the oblique popliteal ligament and their association with popliteal cyst formation.","authors":"Fabio Carminati, François Kelberine","doi":"10.1016/j.otsr.2024.104148","DOIUrl":"https://doi.org/10.1016/j.otsr.2024.104148","url":null,"abstract":"<p><strong>Introduction: </strong>The posteromedial compartment of the knee houses several important anatomical structures, including the oblique popliteal ligament (OPL), an accessory insertion tendon of the semimembranosus muscle. Popliteal cysts develop from the synovial bursa located between the medial gastrocnemius and the semimembranosus, typically secondary to intra-articular pathologies causing effusion. This study aimed to describe the normal anatomy of the postero-medial capsule of the knee and its anatomical variations, particularly in the presence of popliteal cysts.</p><p><strong>Materials and methods: </strong>This was a prospective descriptive study conducted over four consecutive months, including 96 knees from 96 patients who underwent arthroscopy for various intra-articular pathologies. The anatomy of the oblique popliteal ligament was categorized into four types: integrated OPL (Type 1), prominent \"cord-like\" OPL (Type 2A), normally prominent OPL (Type 2B), and bulging OPL (Type 3). The presence of popliteal cysts was evaluated preoperatively using magnetic resonance imaging (MRI).</p><p><strong>Results: </strong>Type 1 OPL was observed in 13 knees (13.5%), Type 2A in 22 (22.9%), Type 2B in 40 (41.7%), and Type 3 in 21 (21.9%). MRI revealed popliteal cysts in 20 knees (20.8%), of which 8 (8.3%) were symptomatic. No popliteal cysts were identified in Type 1 knees. Cysts were present in 2 of 22 Type 2A knees (9.1%), 6 of 40 Type 2B knees (15%), and 12 of 21 Type 3 knees (57.1%). A statistically significant relationship was found between the anatomical type of the postero-medial capsule and the presence of a popliteal cyst (p < 0.001).</p><p><strong>Conclusion: </strong>Arthroscopic anatomy of the postero-medial capsule appears altered in the presence of a popliteal cyst. This alteration is characterized by a bulging OPL within the joint, creating a communication orifice at its superior margin leading to the cyst. Posteromedial synovectomies aimed at disrupting the unidirectional flow mechanism into the cyst should target a triangular area defined by the medial gastrocnemius, the semimembranosus, and the oblique popliteal ligament.</p><p><strong>Level of evidence: </strong>IV; observational study.</p>","PeriodicalId":54664,"journal":{"name":"Orthopaedics & Traumatology-Surgery & Research","volume":" ","pages":"104148"},"PeriodicalIF":2.3,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142904013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Corrigendum to \"Identification and treatment of atypical acetabular fractures having an independent acetabular roof fragment: three-column fractures\" [Orthop Traumatol Surg Res. 2022;108:103209].","authors":"Pierre Luc Desauge, Thomas Aubert, Véronique Marteau, Peter Upex, Pomme Jouffroy, Guillaume Riouallon","doi":"10.1016/j.otsr.2024.104113","DOIUrl":"https://doi.org/10.1016/j.otsr.2024.104113","url":null,"abstract":"","PeriodicalId":54664,"journal":{"name":"Orthopaedics & Traumatology-Surgery & Research","volume":" ","pages":"104113"},"PeriodicalIF":2.3,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142900494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Muscle composition is not a prognostic factor for muscle strength recovery after anterior cruciate ligament surgery by hamstring tendon autograft.","authors":"Maxime Pingon, Gaspard Fournier, Jobe Shatrov, Ando Radafy, Clara Bernard, Julien Gondin, Sébastien Lustig, Elvire Servien","doi":"10.1016/j.otsr.2024.104111","DOIUrl":"https://doi.org/10.1016/j.otsr.2024.104111","url":null,"abstract":"<p><strong>Purpose: </strong>For the athlete, anterior Cruciate Ligament (ACL) rupture and its surgical management are often a turning point in their career. Success and time to return to sport are essential parameters for athletes and their support staff, so it is critical to understand the prognostic factors influencing return to sport after anterior cruciate ligament reconstruction (ACLR). The aim of this study was to determine the influence of hamstring muscle composition on muscle power following ACLR with autogenous hamstring grafts.</p><p><strong>Methods: </strong>24 patients with chronic torn ACL were included at a single-center over a period of 17 months. They underwent surgical repair and during this procedure grafts were harvested from the gracilis and the semitendinosus. Muscle composition was assessed on the remaining proximal part of the semitendinosus muscle, which is usually discarded, by immunostaining. Muscle power was defined by comparing the strength of the operated leg and the healthy leg on an isokinetic dynamometer at 6 months according a standardized protocol after 6 months of outpatient rehabilitation. Various other intrinsic and extrinsic factors were also studied, such as body mass index (BMI), age, sex, smoking, or sport practiced, to determine factors influencing isokinetic strength test after ACLR.</p><p><strong>Results: </strong>No statistical relationship was identified between muscle composition and the muscle power between the operated and healthy leg. Smoking and female gender were associated with worse muscle recovery. Age and BMI had no influence on isokinetic performance at 6 months.</p><p><strong>Conclusion: </strong>Following ACLR muscle composition is not associated with difference in strength between the two legs at 6 months. Determining muscle fiber composition of the patient does not inform the rehabilitation protocol or predict muscle strength recovery. Larger series data is required to understand the influence of gender or tobacco on muscle fiber characteristic.</p><p><strong>Level of evidence: </strong>I; Prospective prognostic study.</p>","PeriodicalId":54664,"journal":{"name":"Orthopaedics & Traumatology-Surgery & Research","volume":" ","pages":"104111"},"PeriodicalIF":2.3,"publicationDate":"2024-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142878611","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}