Person: UÇAN, VAHDET
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Publication Metadata only Does correction of reverse shoulder arthroplasty angle improve clinical outcomes in cuff tear arthropathy?(2021-11-01) UÇAN V.; Pulatkan A.; SARIKAŞ M.; KAPICIOĞLU M.; Bilsel K.; UÇAN, VAHDET; SARIKAŞ, MURAT; KAPICIOĞLU, MEHMETObjective: The aim of this study was to investigate the impact of correction of the reverse shoulder arthroplasty (RSA) angle on clinical outcomes in patients with cuff tear arthropathy (CTA).Publication Metadata only Clinical Outcomes of Two-Stage Implantation in Reverse Shoulder Arthroplasty for Postinfectious End-Stage Glenohumeral Arthritis in Native Shoulders: A Single-Center Cohort Study with a Minimum 2-Year Follow-up(2023-04-01) Bilgin E.; Tezgel O.; UÇAN V.; KAPICIOĞLU M.; Turgut A.; Bilsel K.; TEZGEL, OKAN; UÇAN, VAHDET; KAPICIOĞLU, MEHMET; BİLSEL, İSMAIL KEREMBackground: Septic arthritis of the shoulder is a rare but devastating condition that may lead to joint destruction. There are few studies and limited outcome data on shoulder arthroplasty for infected native shoulders with end-stage glenohumeral arthritis (GHA). Hence, this study aimed to demonstrate the clinical outcomes of two-stage implantation in reverse shoulder arthroplasty (RSA) using an antibiotic spacer in the first stage for this challenging condition. Methods: We conducted a retrospective study on two-stage implantation in RSA in infected shoulders. Patients were diagnosed with end-stage GHA due to primary shoulder sepsis or infection following non-arthroplasty shoulder surgery. Laboratory data, range of motion (ROM), and functional scores including American Shoulder and Elbow Surgeons score, Constant score, and Disabilities of the Arm, Shoulder and Hand score were assessed prior to spacer placement and at the latest follow-up. Furthermore, intraoperative and postoperative complications were recorded. Results: In this study, 10 patients with a mean age of 54.8 ± 15.8 years (range, 30–77 years) were included. The mean follow-up period was 37.3 ± 9.1 months (range, 25–56 months). All postoperative ROM measurements and functional scores were improved significantly. Although no reinfection was observed, a total of 5 complications including 2 hematomas, 1 intraoperative humeral fracture, 1 humeral stem loosening, and 1 anterior deltoid dysfunction were observed in 4 patients after a follow-up period of at least 2 years after RSA. Conclusions: Two-stage implantation in RSA is an effective method for improving the function and controlling the infection in postinfectious end-stage GHA in native shoulders.Publication Metadata only Surgical Management and Outcomes of Patients with Idiopathic Peroneal Spastic Flatfoot A Retrospective Case Series(2023-01-01) UÇAN V.; DEMİREL M.; ALIYEV O.; YILDIZ F.; UZER G.; UÇAN, VAHDET; ALIYEV, ORKHAN; YILDIZ, FATİH; UZER, GÖKÇERBackground: Although tarsal coalition represents the most common cause of peroneal spastic flatfoot, its existence cannot be verified in several cases. In some patients with rigid flatfoot, no cause can be detected after clinical, laboratory, and radiologic examina-tion, and the condition is called idiopathic peroneal spastic flatfoot (IPSF). This study aimed to present our experience with surgical management and outcomes in patients with IPSF.Methods: Seven patients with IPSF, who were operated on between 2016 and 2019, and followed for at least 12 months were included, whereas those with known causes, such as tarsal coalition or other causes (eg, traumatic) were excluded. All patients were followed up for 3 months with botulinum toxin injection and cast immobilization as a routine protocol, and clinical improvement was not achieved. The Evans procedure and grafting with tricortical iliac crest bone graft in five patients and subtalar arthrodesis in two patients were performed. The American Orthopaedic Foot and Ankle Society ankle-hindfoot scale scores and Foot and Ankle Disability Index scores were obtained preoperatively and postoperatively from all patients.Results: On physical examination, all feet manifested rigid pes planus with varying degrees of hindfoot valgus and limited subtalar motion. Overall, the mean American Orthopaedic Foot and Ankle Society and Foot and Ankle Disability Index scores significantly increased from 42 (range, 20-76) and 45 (range, 19-68) preoperatively (P = .018) to 85 (range, 67- 97) and 84 (range, 67-99) (P = .043) at the final follow-up, respectively. No major intraoper-ative or postoperative complications were observed in any of the patients. All computed to-mographic and magnetic resonance imaging scans revealed no evidence of tarsal coalitions in any of the feet. All radiologic workups failed to demonstrate secondary signs of fibrous or cartilaginous coalitions.Conclusions: Operative treatment seems to be a good option in the treatment of patients with IPSF who do not benefit from conservative treatment. In the future, it is recommended to investigate the ideal treatment options for this group of patients. (J Am Podiatr Med Assoc 113(1), 2023)Publication Metadata only Patellar height: an important parameter in knee MRI associated with tendinopathy, quadriceps fat pad edema (QFPE), anterior cruciate ligament mucoid degeneration (ACL-MD), and lateral cartilage damage(2024-01-01) Atay M.; TOPRAK H.; YILMAZ T. F.; Sari L.; Balsak S.; UÇAN V.; Mehdi E.; TOPRAK, HÜSEYİN; YILMAZ, TEMEL FATİH; SARI, LÜTFULLAH; BALSAK, SERDAR; UÇAN, VAHDETBackground: Some pathologies associated with abnormal patellar height have been reported in the literature. However, its relationship with some pathologies, such as anterior cruciate ligament mucoid degeneration (ACL-MD) and focal cartilage defect, has not been investigated. Purpose: To investigate the relationship between patellar height with patellar-quadriceps tendinopathy, quadriceps fat pad edema, ACL-MD, and focal cartilage defect. Material and Methods: Magnetic resonance imaging of the knees of 261 patients were classified into three groups as normal, patella alta, and patella baja, and evaluated in terms of patellar-quadriceps tendinopathy, quadriceps fat pad edema, ACL-MD, and focal cartilage defect. Results: There were 261 patients (140 men, 121 women; age range = 18–60 years; mean age = 30 ± 4.7 years). Of the 261 patients, 181 (69.3%) were normal, 56 (21.4%) were patella alta, and 24 were patella baja (9.1%). Patellar-quadriceps tendinopathy, quadriceps fat pad edema, and ACL-MD rates were significantly higher compared to the normal group (P <0.05). While a moderate positive correlation was found between patellar height shift and patellar-quadriceps tendinopathy and ACL-MD, there was a small correlation between patellar height shift and quadriceps fat pad edema. The rate of focal cartilage defect was significantly higher in the middle part of the lateral femoral condyle and lateral knee joint only in patella alta. Conclusion: The risk of patellar-quadriceps tendinopathy, quadriceps fat pad edema, ACL-MD, and lateral focal cartilage defect is higher in patients with alta-baja. The radiologist should evaluate these pathologies more carefully, especially subtle ones, in patients with abnormal patellar height.