Person: UZER, GÖKÇER
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Publication Metadata only Comparison of 3 Cell-Free Matrix Scaffolds Used to Treat Osteochondral Lesions in a Rabbit Model.(2022-03-30T00:00:00Z) Ucan, Vahdet; Pulatkan, Anil; Yilmaz, Bengi; Tahmasebifar, Aydin; Tok, Olgu Enis; Tuncay, Ibrahim; Elmali, Nurzat; Ozturk, Burak Yagmur; Uzer, GÖKÇER; UÇAN, VAHDET; TUNCAY, İBRAHİM; UZER, GÖKÇERPublication Metadata only Comparison of tapered-wedge short and standard-length femoral stems in single-stage bilateral direct anterior total hip arthroplasty(2021-08-01T00:00:00Z) UÇAN, VAHDET; EZİCİ, VOLKAN; ALIYEV, ORKHAN; UZER, GÖKÇER; TUNCAY, İBRAHİM; YILDIZ, FATİH; UÇAN, VAHDET; EZİCİ, VOLKAN; ALIYEV, ORKHAN; UZER, GÖKÇER; TUNCAY, İBRAHİM; YILDIZ, FATİHPurpose This study was performed to compare short and standard-length tapered-wedge-type femoral stems in single-stage bilateral total hip arthroplasty (THA) through a direct anterior approach (DAA). Materials and methods The patients were divided into two groups according to their femoral stem types as short tapered-wedge stem and standard-length tapered-wedge stem groups. Outcome parameters were the surgical time, estimated blood loss (EBL), length of stay (LOS), thigh pain, Harris Hip Score (HHS), and visual analog scale (VAS) score clinically, and canal fill ratio (CFR), coronal plan alignment of the stems, subsidence, and postoperative leg length difference (LLD), radiologically. Results The short-stem group and standard-length-stem group consisted of 20 patients (40 hips, mean age 52.0 +/- 14.1) and 22 patients (44 hips, mean age 49.4 +/- 11.9), respectively. There were no significant differences between the groups in terms of mean surgical times (p = 0.6), EBL (p = 0.2), LOS (p = 0.2), the rate of thigh pain (p = 0.4), improvements in HHS (p = 0.4) and VAS scores (p = 0.6), LLD (p = 0.3), amount of subsidence (p = 0.9), and varus or valgus misalignment (p = 0.7). The CFR at the level of the lesser trochanter was significantly higher in the short-stem group (0.79 +/- 0.1) than the standard-length-stem group (0.73 +/- 0.1) (p < 0.01). Conclusion In single-stage bilateral THA through DAA, short, tapered-wedge femoral stems provide similar radiographic and functional results to standard stems at short-term follow-up.Publication Metadata only Sagittal Patellar Offset Ratio Can Be a Predictor of Anterior Knee Pain after Primary Total Knee Arthroplasty without Patella Resurfacing.(2022-06-02T00:00:00Z) Aliyev, Orkhan; Sarıkaş, Murat; Uçan, Vahdet; Uzer, GÖKÇER; Tuncay, İbrahim; Yıldız, Fatih; UÇAN, VAHDET; UZER, GÖKÇER; TUNCAY, İBRAHİMPublication Open Access Comparison of Intravenous, Intra-articular, and Combined Tranexamic Acid Use in Primary Total Knee Arthroplasty without a Tourniquet and a Drain(2020-04-01T00:00:00Z) Binlaksar, Ruwais; Ali, Jotyar; UZER, GÖKÇER; YILDIZ, FATİH; UÇAN, VAHDET; TUNCAY, İBRAHİMObjective: We assessed the effect of tranexamic acid (TXA) route of administration on the estimated blood loss (EBL) in patients undergoing primary total knee arthroplasty (TKA) without tourniquet and drain use. Methods: One hundred fifty three patients who underwent primary TKA with use of TXA, between December 2012 and February 2016 were evaluated retrospectively. The patients were divided into three groups according to the route of TXA use: group I, 2 g of intravenous (IV; n=50); group II, 2 g of intraarticular (IA, n=50); and group III, 1 g of IV and 1 g IA combined use (n=53). We recorded the body mass indexes, the platelet counts, haemoglobin, haematocrit levels, prothrombin time, partial thromboplastin time, and international normalised ratio, preoperatively and at 1st and 7th days, postoperatively. EBL was calculated using Meunier's formula. Results: On the first day, the mean EBLs for groups I to III were 286.3 +/- 128.8 mL, 342.7 +/- 176.0 mL, and 379.7 +/- 228.9 mL, respectively (p=0.029 for group I vs. group III). On 7th day postoperatively, they were calculated as 823 +/- 619.3 mL, 1175.1 +/- 970.5 mL, and 1092.2 +/- 766.7 mL (p=0.073) During the first 90 days postoperatively, we did not see any symptomatic thromboembolic complications, delayed haemorrhage, or surgical site or periprosthetic infections. Conclusion: IV, IA or combined uses of TXA are effective and safe for reducing blood loss and transfusion requirements in primary TKA without a tourniquet and drain.