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ALIYEV, ORKHAN

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ORKHAN
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Now showing 1 - 10 of 14
  • PublicationOpen Access
    Sonication of explants enhances the diagnostic accuracy of synovial fluid and tissue cultures and can help determine the appropriate antibiotic therapy for prosthetic joint infections.
    (2022-01-24T00:00:00Z) ALIYEV, ORKHAN; YILDIZ, FATİH; KAYA, HAKAN BATUHAN; Aghazada, AGHAMAZAHIR; SÜMBÜL, BİLGE; Citak, Mustafa; TUNCAY, İBRAHİM; ALIYEV, ORKHAN; YILDIZ, FATİH; KAYA, HAKAN BATUHAN; AGHAZADAA, AGHAMAZAHIR; SÜMBÜL, BİLGE; TUNCAY, İBRAHİM
    Purposes This study aimed to evaluate the sensitivity and specificity of the sonication cultures according to the International Consensus Meeting 2018 criteria and to evaluate the effect of sonication on the antibiotic treatment of patients.
  • PublicationMetadata 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, FATİH
    Purpose 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.
  • PublicationMetadata only
    Could intermittent change of conventional dressing affect risk of periprosthetic joint infection after primary total joint arthroplasty?
    (2021-07-01T00:00:00Z) Aghazada, Aghamazahir; ALIYEV, ORKHAN; DEMİRKIRAN, CEMİL BURAK; UZER, GÖKÇER; Citak, Mustafa; TUNCAY, İBRAHİM; YILDIZ, FATİH; ALIYEV, ORKHAN; AGHAZADAA, AGHAMAZAHIR; DEMİRKIRAN, CEMİL BURAK; UZER, GÖKÇER; TUNCAY, İBRAHİM; YILDIZ, FATİH
    Purpose Periprosthetic joint infection (PJI) is one of the most dreaded and challenging complications after total joint arthroplasty (TJA). The aim of this study was to evaluate the effect of keeping the dressing without change on the occurrence of PJI in patients undergoing TJA. Methods 4877 Patients with a minimum follow-up of 90 days were included to investigate the effect of dressing on the PJI occurring within 3 months of surgery. Patients were divided into two consecutive groups as the intermittent change of traditional dressing (group 1-before 2019) and keeping dressing for 5 days without change (group 2-after 2019). A backward stepwise logistic regression model was used to estimate independent risk factors for PJI. Results Group 1 and group 2 consisted of 4172 and 705 patients, and the numbers of diagnosed PJI cases in the groups were 40 (1.0%) and 10 (1.4%), respectively (p = 0.1). The backward stepwise logistic regression model analysis revealed that keeping the dressing unchanged and removing it after the first week postoperatively was not an independent risk factor for the occurrence of PJI. Older age, diabetes mellitus and coronary artery diseases were independent risk factors for PJI (p < 0.05). Conclusion Our study results present, that intermittent change of conventional dressing is unnecessary, because it does not decrease the risk of PJI after TJA.
  • PublicationMetadata only
    The 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, FATİH
    Objective: This study aimed to investigate biomechanically the effects of onlay fibula grafts on Vancouver Type B1 Periprosthetic Femoral Fractures (PPFs).
  • PublicationMetadata only
    Safety of one-stage bilateral total knee arthroplasty -one surgeon sequential vs. two surgeons simultaneous: a randomized controlled study
    (2020-07-01T00:00:00Z) UZER, GÖKÇER; ALIYEV, ORKHAN; YILDIZ, FATİH; ELMALI, NURZAT; TUNCAY, İBRAHİM; UZER, GÖKÇER; ALIYEV, ORKHAN; YILDIZ, FATİH; GÜNGÖREN, NURDAN; ELMALI, NURZAT; TUNCAY, İBRAHİM
    Purpose This study aimed to examine the complications by comparing two surgeons simultaneous bilateral total knee arthroplasty (two-surgeon bilateral TKA) to one surgeon sequential bilateral total knee arthroplasty (single-surgeon bilateral TKA).
  • PublicationOpen Access
    Reply to Letter to Editor: Safety of one-stage bilateral total knee arthroplasty-one-surgeon sequential vs. two surgeons simultaneous: a randomized controlled study
    (2020-08-01T00:00:00Z) Gungoren, Nurdan; UZER, GÖKÇER; ALIYEV, ORKHAN; YILDIZ, FATİH; ELMALI, NURZAT; TUNCAY, İBRAHİM; UZER, GÖKÇER; ALIYEV, ORKHAN; YILDIZ, FATİH; GÜNGÖREN, NURDAN; ELMALI, NURZAT; TUNCAY, İBRAHİM
  • PublicationMetadata only
    Letter to editor -Risk factors for aseptic loosening in complex revision total knee arthroplasty using rotating hinge implants-
    (2021-01-01T00:00:00Z) ALIYEV, ORKHAN; DEMİRKIRAN, CEMİL BURAK; YILDIZ, FATİH; TUNCAY, İBRAHİM; ALIYEV, ORKHAN; DEMİRKIRAN, CEMİL BURAK; YILDIZ, FATİH; TUNCAY, İBRAHİM
  • PublicationOpen Access
    Onlay fibula autografting technique and its comparison with cortical allograft for the reconstruction of periprosthetic bone defects around the femur
    (2020-11-01T00:00:00Z) TUNCAY, İBRAHİM; Tozun, Remzi; ALIYEV, ORKHAN; Dikmen, Goksel; UZER, GÖKÇER; ÖZDEN, Vahit Emre; YILDIZ, FATİH; TUNCAY, İBRAHİM; ALIYEV, ORKHAN; UZER, GÖKÇER; YILDIZ, FATİH
    Background Bone defect around the femur related to revisions or periprosthetic fractures (PFF) is an issue. We present a bone defect reconstruction technique in femoral revisions and/or PFF using fibula autograft and compared our radiological and clinical results to that of allograft. Methods A total of 53 patients who underwent revision hip arthroplasty and/or PFF fixation with the use of cortical fibula autograft (FG group) or cortical allograft (CG group) were evaluated. After exclusions, 20 patients who had minimum two years of follow-up were investigated for each group, for their radiological and clinical outcomes. Results In FG and CG groups, the median ages were 69.5(44-90) and 62(38-88) years, follow-ups were 59(28-72) and 120(48-216) months, defect lengths were seven (1-10) and ten (1-17) cm, and grafts lengths were 16.5(10-30) and 20(12-37) cm, respectively. The rate of graft incorporation was 90% in each group and median time to incorporations were seven (4-12) and 12(6-24) months (p < 0.001), and graft resorption (moderate and severe) rates were 10% and 25% (p = 0.41), respectively. Median Harris Hip (77.6 vs 78.0), WOMAC (23.2 vs 22), SF-12 physical (50.0 vs 46.1), and SF-12 mental (53.8 vs 52.5) scores were similar between the groups, respectively. Kaplan-Meier survivorship analyses revealed an estimated mean survival of 100% at six years in FG group and 90% at 14 years in CG group. Conclusion In the reconstruction of periprosthetic bone defects after femoral revision or PPF, onlay cortical fibula autografts provide comparable clinical and radiological outcomes to allografts. Its incorporation is faster, it is cost-effective and easy to obtain without apparent morbidity.
  • PublicationMetadata only
    Subacromial Spacer Implantation During Arthroscopic Partial Repair in Patients With Massive Irreparable Rotator Cuff Tears Provides Satisfactory Clinical and Radiographic Outcomes: A Retrospective Comparative Study
    (2022-06-01) Bilsel K.; Aliyev O.; Altintas B.; Bagh Ali Shah S. D.; Ertogrul R.; KAPICIOĞLU M.; BİLSEL, İSMAIL KEREM; ALIYEV, ORKHAN; KAPICIOĞLU, MEHMET
    © 2022 The AuthorsPurpose: To compare the clinical and radiographic outcomes of partial rotator cuff repair (RCR) with and without implantation of a biodegradable subacromial spacer in the treatment of symptomatic irreparable massive rotator cuff tears (MRCTs). Methods: Patients with MRCT who underwent arthroscopic partial repair alone (PR) or combined with subacromial spacer augmentation (PRS) were included. Patient-reported outcomes, including visual analog scale (VAS), American Shoulder and Elbow Surgeons (ASES), and Constant scores in addition to range of motion (ROM) were collected preoperatively and at the final follow-up. Additionally, we determined the percentages of all of the patients in groups that achieved the minimal clinical important difference (MCID), substantial clinical benefit (SCB), and patient-acceptable symptomatic state (PASS) for the VAS, ASES, and Constant scores. Acromiohumeral distance (AHD) was determined as well. Results: A total of 32 patients were included. Group PR included 20 patients with a median age of 68 years (range: 64-73) and median follow-up 28.0 months (14.0-60.0). Group PRS included 12 patients with a median age of 68.5 years (range: 63-74) and median follow-up of 17.0 months (12.0-32.0). At the final follow-up, the ASES, VAS, and Constant scores were significantly higher in the PRS group (75.5 [55-88.3], 1.0 [0-3], and 70.0 [43-79], respectively, compared to the PR group (55.0 [37.5-65], 2.0 [0-4], and 55.0 [31-79], respectively; P < .05). The only statistically significant differences were found between the PR and PRS groups in terms of the proportions of the patients who achieved MCID for the ASES (70% vs. 100%; P = .04) and in terms of the proportions of the patients who achieved SCB for the ASES (60% vs 100%; P = .01) There was also statistically significant difference between the PR and PRS groups, in terms of the proportions of the patients who achieved PASS for the VAS and ASES ([30 % vs 66.7 %; P = .04] and [0 % vs 50 %; P = .001], respectively). AHD was also improved in the PRS group (8.4 [7-9.5] vs 7.85 [5.5-9]; P < .05). ROM was greater in the PRS group at final follow-up with median forward flexion degree, 140.0° (90°-150°) versus 120.0° (80°-153°) (P < .001) and median abduction degree, 100.0° (70°-130°) versus 90.0° (70°-110°). There was no difference in terms of external rotation between groups (3° [2°-5°] vs 3.0° (2°-4°); P = .4). Conclusions: Arthroscopic partial RCR with implantation of a subacromial spacer leads to satisfactory clinical and radiographic outcomes in patients with symptomatic irreparable MRCT compared with patients treated with partial repair alone. Level of Evidence: Level III, retrospective comparative study.
  • PublicationMetadata only
    Two-surgeon simultaneous bilateral total knee arthroplasty does not provide poor prosthetic alignment A prospective randomized controlled study
    (2021-11-01T00:00:00Z) YILDIZ, FATİH; ALIYEV, ORKHAN; Aghazada, Aghamazahir; UZER, GÖKÇER; TUNCAY, İBRAHİM; YILDIZ, FATİH; ALIYEV, ORKHAN; AGHAZADAA, AGHAMAZAHIR; ELMALI, NURZAT; UZER, GÖKÇER; TUNCAY, İBRAHİM
    Purpose Two-surgeon, simultaneous bilateral total knee arthroplasty (TKA) is considered as an unpredictable, complex procedure in terms of its radiographic and functional outcomes because of different surgeons and teams, and too many instruments and hands in a narrow space. We compared radiological and functional results of simultaneous bilateral TKA and single-surgeon sequential bilateral TKA. Methods The 136 participants with a minimum of 24 months follow-up were prospectively randomized into 2 groups: two-surgeon bilateral TKA and single-surgeon bilateral TKA. We prespecified primary outcome of the study as between-group differences in terms of component alignment in the coronal and sagittal planes. Short-term functional outcomes were evaluated prospectively using the Oxford Knee Score (OKS) and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). Results Each group consisted of 136 knees of 68 patients. The mean tibial medial angles (TMA) were 89 degrees +/- 3 degrees and 88 degrees +/- 5 degrees in two-surgeons and single surgeon groups, respectively (p = 0.24). Radiological outcomes showed that the mean femoral lateral angles (FLA) were 87.9 +/- 3.5 degrees and 85.84 +/- 3.7 degrees (p = 0.12), posterior tibial slope angles (PTSA) were 8.2 +/- 16.9 degrees and 7.6 +/- 17.8 degrees (p = 0.84), and femoral flexion angles (FFA)were 86.8 +/- 3.8 degrees and 86.3 +/- 3.5 degrees (p = 0.41), anterior femoral offset ratios (AFOR) (%) were 29.5 +/- 11.1 and 27.7 +/- 7.9 (p = 0.31), and posterior femoral offset ratio (PFOR) (%) were 108.41 +/- 31.3 and 108.45 +/- 25.7 (p = 0.98), respectively. Conclusion Two-team simultaneous bilateral TKA is as safe as single stage one-surgeon sequential bilateral TKA in terms of short-term component radiological and the functional outcomes.