Person: ERDEN, TUNAY
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- PublicationMetadata onlyDoes performing total joint arthroplasty in the afternoon or evening increase the risk of prosthetic joint infection?(2020-11-01T00:00:00Z) YILDIZ, FATİH; ALIYEV, ORKHAN; ERDEN, TUNAY; GÜNGÖREN, NURDAN; UÇAN, VAHDET; TUNCAY, İBRAHİM; YILDIZ, FATİH; ALIYEV, ORKHAN; ERDEN, TUNAY; GÜNGÖREN, NURDAN; UÇAN, VAHDET; TUNCAY, İBRAHİMPurpose Does performing total joint arthroplasty in the afternoon or evening increase the rate of early prosthetic joint infection and the likelihood of early prosthetic joint infection? Methods We evaluated patients retrospectively, who underwent primary total hip (THA) or knee arthroplasty (TKA) between January 2016 and December 2019, met the inclusion criteria and had at least 90 days of follow-up. Patients were divided into two groups. Group I consisted of patients whose surgeries had been started and finished before 14:00, and group II included patients whose surgeries started after 14:01. All patients were operated after non-septic cases in specific orthopedic operating rooms. Their demographic data and comorbidities were noted. Primary outcome was to compare the risk of PJI between the groups. Results Group I and group II included 2309 and 1881 patients. Total number of patients with the diagnosis of PJI was 58 (1.4%). It was 31 (1.3%) and 27 (1.4%), respectively (p = 0.79). Performing total joint arthroplasty after 14:01 did not increase likelihood of infection (p = 0.83, OR 1.03). Among the parameters, PJI was significantly associated with age (p < 0.01, OR 0.99), smoking status (p < 0.01, OR 0.15) and operating time (p = 0.04, OR 0.99) in TKA and with direct anterior approach (p = 0.02, OR 4.72) in THA. Age (p = 0.06, OR 1.03) was the factor affecting the risk of subsequent PJI after total joint arthroplasty. Conclusion Performing total joint arthroplasty in the afternoon or in the evening, after aseptic cases does not increase the risk of subsequent of PJI.
- PublicationMetadata onlyPeriprosthetic joint infection with streptococcus dysgalactiae subspecies equisimilis: Case report(2020-01-01T00:00:00Z) Erden, Tunay; Gultepe, Bilge Sumbul; KÜÇÜKDURMAZ, FATİH; ERDEN, TUNAY; SÜMBÜL, BİLGEStreptococcus dysgalactiae (SD) is a common pathogen among elderly population. However, to our knowledge, there is no periprosthetic joint infection case reported that is infected with Streptococcus dysgalactiae subspecies equisimilis (SDSE) in the English literature. In this article, we report a 77 -year -old male patient who had undergone total knee arthroplasty three years ago and had the diagnosis of cellulitis at his leg followed by swelling, pain and hyperemia localized at his knee. Three knee aspirations were performed and the SDSE was identified. There was no direct contact of patient to animals.
- PublicationMetadata onlyThe effect of onlay cortical fibula strut grafts on biomechanical features of Vancouver type B1 periprosthetic femoral fractures(2022-05-01T00:00:00Z) ALIYEV, ORKHAN; ERDEN, TUNAY; SARIYILMAZ, KERİM; Bozdağ, Süreyya Ergün; Sünbüloğlu, Emin; TUNCAY, İBRAHİM; YILDIZ, FATİH; ALIYEV, ORKHAN; ERDEN, TUNAY; TUNCAY, İBRAHİM; YILDIZ, FATİHObjective: This study aimed to investigate biomechanically the effects of onlay fibula grafts on Vancouver Type B1 Periprosthetic Femoral Fractures (PPFs).
- PublicationMetadata onlyAll arthroscopic coracoclavicular button fixation is efficient for Neer type II distal clavicle fractures(2020-05-07T04:00:00Z) KAPICIOĞLU, Mehmet; Erden, Tunay; Bilgin, Emre; Bilsel, Kerem; KAPICIOĞLU, MEHMET; ERDEN, TUNAY; BİLSEL, İSMAIL KEREMPurpose Neer type II distal clavicle fractures are associated with a high rate of non-union or malunion due to impaired coracoclavicular ligament stability. The purpose of this study was to assess the clinical and radiological outcomes of arthroscopically assisted indirect osteosynthesis for type II distal clavicle fractures using a cortical suture button device. Methods Seventeen patients Neer type II fractures of the distal clavicle were treated surgically using cortical suture button fixation between 2012 and 2017. The clinical and radiological results were assessed using the American Shoulder and Elbow Surgeons Shoulder Score (ASES), Constant-Murley score and visual analogue scale (VAS) score. Results Anatomic reduction and bone healing were achieved in all patients at the final follow-up. The median age of the patients was 31 years (range 19-57). The mean follow-up was 25.9 months (range 14-64). The average delay before surgery was 2 days (range 1-4). At the final follow-up, the mean ASES, Constant-Murley score and VAS score were 92.6 +/- 3.2 (range 84.9-96.6), 96.2 +/- 2.4 (range 92-100) and 0.47 +/- 0.51 (range 0-1), respectively. All patients were able to resume work as well as sport activities. The postoperative complications included two coracoid process fractures, and none of the patients required additional surgery related to the index procedure. Conclusion All arthroscopic coracoclavicular button fixation of Neer type II distal clavicle fractures would provide sufficient stability and union with satisfactory radiological and clinical outcomes. This arthroscopic fixation technique would be more efficient than other osteosynthesis methods because it is a minimally invasive surgery with a low complication rate.