Acta orthopaedica et traumatologica turcica最新文献

{"title":"A comprehensive review of scapulothoracic abnormal motion (STAM): evaluation, classification, and treatment strategies.","authors":"Cemil Cihad Gedik, İlker Eren, Mehmet Demirhan, Bassem Elhassan","doi":"10.5152/j.aott.2024.24066","DOIUrl":"10.5152/j.aott.2024.24066","url":null,"abstract":"<p><p>The term \"dyskinesia\" has often been used interchangeably with \"winging,\" leading to ambiguity in the literature. To address this, the broader term \"scapulothoracic abnormal motion (STAM)\" was introduced to describe any abnormal position or movement of the scapula on the chest, resulting in pain and dysfunction. Scapulothoracic abnormal motion has a wide range of causes, including musculoskeletal imbalances such as pectoralis minor hyperactivity, neurological impairments such as long thoracic nerve palsy, and genetic conditions like facioscapulohumeral muscular dystrophy (FSHD). This review aims to identify the different causes and classifications of STAM and to propose a detailed treatment algorithm specifically designed to manage these conditions effectively.</p>","PeriodicalId":93854,"journal":{"name":"Acta orthopaedica et traumatologica turcica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11448755/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142334158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Surgical outcomes of cable plate fixation in treatment of Vancouver type B1 and type C periprosthetic femoral fractures: a retrospective case series.","authors":"Cengiz Şen, Taha Kızılkurt, Mehmet Demirel, Ahmet Müçteba Yıldırım, Yavuz Sağlam, İrfan Öztürk","doi":"10.5152/j.aott.2024.23124","DOIUrl":"10.5152/j.aott.2024.23124","url":null,"abstract":"<p><p>This study aimed to investigate the mid-to-long-term surgical outcomes of open reduction and internal fixation (ORIF) using a hybrid locking plate/cable technique for the treatment of Vancouver type B1 and type C periprosthetic femoral fractures (PPFs) in a consecutive group of patients from a single tertiary referral center. Twenty-five patients (25 PPFs; 17 female, 8 male) in whom a Vancouver type B1 or type C PPF was diagnosed and treated by a hybrid locking plate/cable technique from 2005 to 2016 were included in the study. Patients' functional status was categorized into 4 groups based on the Harris Hip Score (HHS) at the final follow-up: 70=poor result; 70-80=fair; 80-90=good, and 90-100=excellent. Intraand postoperative complications were also recorded. PPF union was defined clinically as the patient's ability to bear full weight with or without assistance and radiographically as the presence of a callus bridging the fracture. Subgroup analyses were conducted according to the Vancouver classification and type of fixation regarding the HHS and time to union. The mean age was 57 ± 16.6 (range, 17-82) years at the time of the primary hip replacement and 64 ± 18.7 (range, 24-88) years at the time of PPF. The mean follow-up was 5.6 ± 3.3 (range, 2-14) years from primary procedure to PPF and 6.5 ± 4.1 (range, 3-15) years following PPF. There were 7 type B1 and 18 type C PPFs. At the final follow-up, the mean HHS was 71 ± 7.74 (range, 57-89). According to HHS, functional results were poor in 8 patients, fair in 14 patients, and good in 3 patients. No major intra- or postoperative complications were noted. Fracture union was achieved in all patients without complications at an average of 13 ± 4.9 (range, 6-24) weeks. In subgroup analysis, while no significant differences were observed in the HHS (P=.87 for the Vancouver type, P=.96 for the type of fixation), time to union differed among groups. Time to union was significantly shorter in type B1 than in type C PPFs (P=.006). Time to union was considerably shorter in the uncemented group compared to the cemented one (P=.017). Adding cables to the locking plate can provide adequate stability to preserve fracture alignment and achieve bony union in Vancouver type B1 and C PPFs. Although union can be achieved by ORIF in such patients, a longer union time may be required for PPFs in the setting of a cemented femoral stem or Vancouver type C. Level IV, Therapeutic study.</p>","PeriodicalId":93854,"journal":{"name":"Acta orthopaedica et traumatologica turcica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11448770/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142334128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Review of the treatment options and results of earthquake-related pelvic injuries after the Türkiye earthquake on 6th February.","authors":"Özhan Pazarcı, Mehmet Ali Talmaç, Bedirhan Sarı, Sami Sökücü","doi":"10.5152/j.aott.2024.23205","DOIUrl":"10.5152/j.aott.2024.23205","url":null,"abstract":"<p><p>The aim of this study was to review the characteristics and classifications of pelvic injuries due to earthquake trauma, to determine the treatment options and outcomes, and to present the experiences of our single trauma center. Sixty patients (23 male, 37 female) who underwent surgical treatment for pelvic ring injuries after the earthquake were analyzed in this study. Demographic data, such as age and gender, operations, and fracture details were recorded. Laboratory results and the amount of blood used were included in the analysis. Fractures were classified according to the Young-Burgess classification. Surgical treatment methods, side of injury, accompanying injuries, and treatment results were analyzed using SPSS software. Left-sided trauma was the most common mechanism of injury, with 36 patients (60%) sustaining left-sided pelvic fractures. Pelvic ring fractures were detected in 78.3% of patients, and combined acetabulum and pelvic ring fractures were identified in 21.7% of patients. Thoracic trauma and extra-pelvic fractures were seen in 12 (20%) and 18 (30%) patients, respectively. Twenty percent of patients underwent emergency abdominal surgery prior to pelvic surgery. Complications were observed in 7 patients (11.6%) in the early period. The average amount of blood used for patients was 2.91 U (min: 0, max: 13 U, SD: 2.66). This study has shown us that lateral compression injuries are more common, and that low hemoglobin levels, high inflammation parameters, previous abdominal surgery, accompanying fractures, and lung injury are the main characteristics of patients with earthquake-related pelvic injuries. It also demonstrates that for the optimal use of materials and implants, experience in different techniques is required, and shows the significant need for blood transfusions in the treatment of these injuries. Level IV, Therapeutic study.</p>","PeriodicalId":93854,"journal":{"name":"Acta orthopaedica et traumatologica turcica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11448765/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142334126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Treatment outcomes of concomitant ipsilateral neck and trochanteric fractures using Gamma3 nails with U-blade lag screws.","authors":"Ki Hyuk Sung, So Hak Chung","doi":"10.5152/j.aott.2024.23217","DOIUrl":"10.5152/j.aott.2024.23217","url":null,"abstract":"<p><p>This study aimed to investigate the outcomes of Gamma3 nails fitted with U-blade lag screws in the management of combined neck and trochanter fracture of the femur. Two hundred-fifty patients with fractures in the proximal femur underwent treatment using Gamma3 nails integrated with U-blade lag screws from 2015 to 2022. Among these cases, 33 had combined neck and trochanteric fractures; 8 patients were excluded because of follow-up for <1 year. The remaining data of 25 patients (7 males and 18 females) were reviewed. Bone mineral density (BMD), body mass index (BMI), tip-apex distance (TAD), extent of lag screw migration, femoral neck-shaft angle, callus formation, fracture type, and treatment failure were analyzed. The mean patient age was 76.3 (range, 61-91) years, and the mean follow-up duration was 17.3 (range, 12.5-57.3) months. The mean BMD T-scores for the spine and femoral neck were -2.3 ± 1.0 and -2.8 ± 0.7, respectively; 18 patients had T-scores ≤-2.5, indicating osteoporosis. The mean BMI was 23.2 ± 3.8 kg/m2 , and the mean operative time was 69.8 (range, 45-90) minutes. Twenty-one patients experienced injuries from slipping, 2 sustained injuries from falling, and 2 from car traffic accidents. The mean TAD was 21.6 ± 5.9 mm, with 16 patients showing <25 mm. The mean extent of lag screw migration was 5.7 ± 5.1 mm. The mean femoral neck-shaft angle on plain radiographs was 125.1 ± 8.6 degrees immediately postoperatively and 120.3 ± 9.5 degrees at the final follow-up. During the follow-up period, the first callus formation was observed at 3.8 months (range, 1.4-7.3) on plain radiographs in the anteroposterior and axial views. Based on our fracture criteria, 4 patients had a two-part fracture type, 12 patients had three-part, and 9 patients had four-part. Out of 25 patients, 3 exhibited treatment failure. No significant differences were observed between the groups with and without bone union regarding age, BMD, BMI, operative time, TAD of the lag screw, extent of lag screw migration, and femoral neck-shaft angle. The bone union was achieved in 88% of patients who underwent treatment utilizing the U-blade Gamma3 nail for concomitant ipsilateral neck and trochanteric fractures. Level IV, Therapeutic Study.</p>","PeriodicalId":93854,"journal":{"name":"Acta orthopaedica et traumatologica turcica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11448780/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142334129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical effect of posterior-only approach debridement, intervertebral fusion, and internal fixation for upper thoracic tuberculosis.","authors":"Tao Zhang, Songkai Li, Lihua Ma, Hua Liu, Chengwei Yang, Lian Zhang","doi":"10.5152/j.aott.2024.23209","DOIUrl":"10.5152/j.aott.2024.23209","url":null,"abstract":"<p><p>This study aimed to evaluate the effectiveness and feasibility of the posterior-only approach for debridement, interbody fusion, and internal fixation in treating upper thoracic tuberculosis. This study retrospectively analysed the clinical and radiographic data of 8 patients diagnosed with upper thoracic tuberculosis. All patients underwent posterior approach debridement, interbody fusion, and internal fixation. We conducted pre- and postoperative assessments of the visual analog scale (VAS), Oswestry disability index (ODI) scores, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), ASIA score, and kyphotic Cobb angle. Back pain and lower limb weakness were the most common presenting symptoms. The mean duration of surgery, amount of blood loss, and volume of postoperative drainage were 262.5 ± 43.3 min, 625.0 ± 333.8 mL, and 285.0 ± 118.1 mL, respectively. Patients were followed up for 36 to 48 months. Three months after surgery, there was a significant improvement in VAS and ODI scores, which further improved until the final follow-up. A statistically significant difference was observed between the preoperative and postoperative periods (P < .05). At the final follow-up, lower extremity function had fully returned to normal in all 5 paralyzed patients. The ESR and CRP returned to normal, 18.1 ± 7.3 mm/h and 9.95 ± 5.41 mg/L, respectively, within 3 months postoperatively. There were statistical differences between the preoperative and postoperative periods (P < .05). The average kyphotic correction rate was (71.5 ± 7.3)%, and the average loss of correction angle was (3.5 ± 1.4)°. Intervertebral bone fusion was achieved by all patients within 15 months (mean 8.3 ± 3.2 months) postoperatively. The posterior-only approach seems an effective, safe, and reliable treatment method for upper thoracic tuberculosis, with favourable clinical and radiological outcomes. Level IV, Therapeutic study.</p>","PeriodicalId":93854,"journal":{"name":"Acta orthopaedica et traumatologica turcica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11448688/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142334160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Histological and scanning electron microscopy investigation of the effects of titanium surface modifications on osseointegration in rabbits.","authors":"Burak Aydın, Zekeriya Öztemür, Neşe Yeldir, Seyran Kılınç, Sefa Aktı, İsmail Bilgin","doi":"10.5152/j.aott.2024.23135","DOIUrl":"10.5152/j.aott.2024.23135","url":null,"abstract":"&lt;p&gt;&lt;p&gt;This study aimed to compare the novel Estaş Medical Anodization (EMA) surface treatment technique with the techniques commonly used in the literature and to examine their effects on osteointegration in the rabbit tibia. A total of 24 rabbits used in this study were divided into 3 groups, with 8 rabbits in each group. Using both tibias of all rabbits in the study, screws belonging to the control group were placed in the left tibia, and the right tibia belonging to the experimental group were placed. In the first 8 rabbits, a single experimental group in the right tibia were used; in the second 8 rabbits, 2 different experimental groups in the right tibia were used; and in the last 8 rabbits, 2 different experimental groups in the right tibia were used. Thus, 5 different experimental groups with 8 screws in each group and a separate control group were formed for each of them. EMA-treated surfaces were named 200-800 nm iris oxidation and 800-1200 nm gray oxidation according to the TiO2 layer thickness. Group 1 was implanted with mini-screws prepared with chemical etching+EMA iris oxidation, while group 2 was implanted with sandblasted, large-grit and acid-etched (SLA) mini screws treated with EMA gray oxidation. Group 3 was implanted with mini-screws treated with EMA gray oxidation, group 4 was implanted with mini-screws treated with chemical etching+micro-arc oxidation, and group 5 was implanted with mini-screws treated with chemical etching+EMA gray oxidation. The control group was implanted with mini-screws prepared with pure titanium. At the end of 6 weeks, osseointegration percentages were calculated and compared using histological and scanning electron microscope (SEM) analyses. The histological results confirmed the increase in osseointegration percentages in all experimental groups compared to those that received pure titanium implants (P values control group vs group 1=.005, control group vs group 2, 3, 4, 5=.001). The comparison between the groups revealed that the chemical etching+EMA gray oxidation modification technique (group 5) significantly increased osseointegration compared to the SLA+EMA gray oxidation technique (group 5 vs group 2 P=.016) and the chemical etching+EMA iris oxidation technique (group 5 vs group 1 Pp=.001). The EMA gray oxidation technique (group 3) significantly increased osseointegration compared to the chemical etching+EMA iris oxidation technique (group 1) (group 3 vs group 1 P=.043). The results of the SEM analysis showed that osseointegration was significantly increased in all experimental groups compared to that in the pure titanium (control) group (P values control group vs group 1, 2, 3=.001, control group vs Group 4,5=.006). The mean osseointegration percentage in the experimental groups was the highest in group 5, followed by group 4, group 3 and group 1 equally, and group 2. However, the differences among the experimental were not significant (group 1, group 2, group 3, group 4 vs group 5 P=.408). ","PeriodicalId":93854,"journal":{"name":"Acta orthopaedica et traumatologica turcica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11448689/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142334161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Similar short-term outcomes of ultrasound guided posterior intra-articular and anterior extra-articular corticosteroid injection in the treatment of primary frozen shoulder. A randomized controlled, single-blind study.","authors":"Ersin Sensoz, Omer Faruk Sevım, Hayrettin Cakmak, Suna Sahin Edız, Engin Ecevız, Selim Ergun","doi":"10.5152/j.aott.2024.23171","DOIUrl":"10.5152/j.aott.2024.23171","url":null,"abstract":"<p><p>Frozen shoulder, a condition characterized by the limitation of active and passive shoulder movements, is predominantly managed conservatively. Corticosteroid injection stands as a widely utilized and effective method for treatment. Nevertheless, the optimal approach for administering the injection remains a subject of controversy. We hypothesized that the injection of corticosteroid through anterior into the extra-articular area would yield superior results than the posterior intra-articular injection. This prospective, randomized, single-blind, and single-center clinical study aimed to compare the therapeutic effectiveness of ultrasound (USG)-guided injection techniques in patients with primary frozen shoulder. We continued the study with 54 patients who met the inclusion criteria. We evaluated patients pre-injection and at the first, third, and sixth weeks after injection. Two distinct approaches were employed: (1) Injection through the anterior extra-articular area around the coracohumeral ligament (CHL), and (2) injection through the posterior route into the glenohumeral joint. Evaluation parameters, including Visual Analog Scale (VAS) scores, active range of motion (ROM), American Shoulder and Elbow Surgeons (ASES) scores, and Quick Disabilities of the Arm, Shoulder, and Hand (QuickDASH) scores, were assessed pre-injection and at the first, third, and sixth weeks post injection. No significant differences in the demographic and clinical characteristics, laboratory, or radiological findings were observed between the groups. It was observed that both groups exhibited similar and significant improvement in all measured parameters within their respective groups. Regarding pain scores, a notable decrease in VAS scores was observed in both groups (P = .000). There was no difference between the groups in terms of pre-injection VAS, QuickDASH, and ASES scores and active ROM measurements. The study concluded that there was no significant difference between ultrasound-guided injection of posterior intra-articular injection and anterior extra-articular injection concerning pain, ROM, and functional scores. Both techniques can be considered as viable options in the early stage of the disease. Level I, Therapeutic study.</p>","PeriodicalId":93854,"journal":{"name":"Acta orthopaedica et traumatologica turcica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11448776/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142334127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bilateral fracture of anterior tibial tuberosity with complete patellar tendon rupture in an adolescent patient.","authors":"Carla Carbonell-Rosell, Oriol Pujol, Alberto Gargallo, Kushal Lakhani, Raquel Sevil, Daniel Pacha","doi":"10.5152/j.aott.2024.23053","DOIUrl":"10.5152/j.aott.2024.23053","url":null,"abstract":"<p><p>Anterior tibial tuberosity fracture avulsion is an uncommon injury. A concomitant patellar rupture is even more scarcely encountered. We report the case of a 14-year-old male patient who suffered bilateral anterior tuberosity fractures with concomitant bilateral complete patellar tendon rupture. Adolescence, athletic activity, and high BMI may have contributed to this concomitant bilateral injury. Both lesions were treated in a one-stage repair surgery, performing an open reduction and internal fixation of the tibial tuberosity with a cannulated cortical screw and a primary tendon suture following the Krakow technique. To the authors' knowledge, no other cases of bilateral presentation of both lesions have been reported so far in the literature.</p>","PeriodicalId":93854,"journal":{"name":"Acta orthopaedica et traumatologica turcica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11448756/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142334159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Optimizing the distal anchorage in stabilization for the traumatic adjacent lumbar vertebra fracture in an adolescent idiopathic scoliosis patient who had posterior spinal fusion: a novel surgical technique.","authors":"Sze Khiong Fam, Chee Kidd Chiu, Chris Yin Wei Chan, Mun Keong Kwan","doi":"10.5152/j.aott.2024.23137","DOIUrl":"10.5152/j.aott.2024.23137","url":null,"abstract":"<p><p>The incidence of traumatic spine fractures (TSF) is increasing worldwide, with a reported annual incidence of up to 32.8 per 100000 persons. However, there are only a few cases of spine fractures reported in adolescent idiopathic scoliosis (AIS) patients after posterior spinal fusion (PSF) in the literature. Fractures adjacent to fusion blocks that extend into the lower lumbar spine pose a unique challenge as stabilization of such fractures might require an extension of instrumentation to L5 or the pelvis. We report a novel surgical technique where bilateral pedicle and cortical screws at L4 and supplementary rods that connect the cortical screws to the main rods via dominos were implemented for optimizing the distal anchorage for TSF stabilization following an L3 Chance fracture in an AIS patient who had undergone T4-L2 posterior spinal fusion.</p>","PeriodicalId":93854,"journal":{"name":"Acta orthopaedica et traumatologica turcica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11448771/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142334125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Metal ion levels after metal-on-metal hip resurfacing: A single-center longitudinal study of Chinese patients.","authors":"Yanlin Wan, Jia You, Wenxue Jiang, Pengfei Wang, Qun Xia","doi":"10.5152/j.aott.2024.23096","DOIUrl":"10.5152/j.aott.2024.23096","url":null,"abstract":"<p><p>This study aimed to investigate the long-term serum metal ion levels of patients who received metal-on-metal hip resurfacing arthroplasty (MoM HRA). We conducted a retrospective study of 99 patients (110 hips) from March 2006 to May 2017 who underwent MoM HRA. The Harris Hip Score (HHS) and the University of California at Los Angeles (UCLA) activity score were measured, and the patients underwent clinical and radiological management. Serum levels of cobalt (Co), chromium (Cr), and molybdenum (Mo) were measured using inductively coupled plasma mass spectrometry (ICPMS) at 1, 6, and 12 months, and each year follow-up after prosthesis implantation. Patients were followed up from 1 to 156 months, with a mean of 98 months. No complications occurred. Metal ion analysis revealed significantly elevated levels compared to preoperative levels. The metal ions levels increased and reached a peak after surgery, and then the levels began to decline gradually. Approximately 84-108 months after surgery, the metal ion levels increased again to approximately peak levels. Then, up to 156 months after surgery, the metal ions levels will drop approximately to preoperative levels. The serum levels of Cr in women were higher than those in men, with the difference being statistically significant. Patients with a body mass index (BMI) of ≥24.9 kg/m2 Co levels were significantly higher than those of normal-weight patients. The serum levels of metal ions showed no significant differences between the prostheses. The use of the MoM HRA was clinically effective, and the Co, Cr, and Mo levels increased significantly after HRA; however, upon long-term follow-up, serum metal ion levels tended to decrease to preoperative levels. Longer follow-up periods and larger study samples are needed to establish the long-term outcome of patients undergoing HRA with MoM bearings. Level IV, Therapeutic Study.</p>","PeriodicalId":93854,"journal":{"name":"Acta orthopaedica et traumatologica turcica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11448754/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142334124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}