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Featured researches published by Esat Uygur.


Injury-international Journal of The Care of The Injured | 2015

Precise placement of lag screws in operative treatment of trochanteric femoral fractures with a new guide system

Oguz Poyanli; Salih Soylemez; Afsar Timucin Ozkut; Esat Uygur; Bahattin Kemah; Omer Kays Unal

PURPOSE We assessed the accuracy of a new guide system that we developed to place lag screws in the proper position with the minimum number of attempts for operative treatment of trochanteric femoral fractures. METHODS A total of 55 consecutive trochanteric femoral fractures were treated with a cephalomedullary nail. The first 27 consecutive patients were treated with the standard operation (group A), while the new guide system was used in the last 28 consecutive patients (group B). The numbers of attempts to place K wires and the duration of surgery were noted. Accuracy of lag screw placement was evaluated by measuring the angle of deviation from the central axis of the femoral head. RESULTS Deviation values ranged from -11̊ to +15̊ for the 27 cases in group A, with a median absolute deviation of 8̊±6̊. That in the 28 cases after the introduction of the new guide system (group B) ranged from -5̊ to +6̊, with a median absolute deviation of 0.5̊±3̊ (P<0.001). The total numbers of attempts to place lag screws and mean operation time decreased significantly after introduction of the new guide system (P<0.001). CONCLUSIONS With this new guide system, we are able to insert lag screws successfully in the optimal position even in most unstable fractures. The present study indicated that this new guide system and nail facilitate accurate placement of lag screws in the appropriate position with the minimum number of attempts.


Acta Orthopaedica et Traumatologica Turcica | 2016

A comparison of Chevron and Lindgren-Turan osteotomy techniques in hallux valgus surgery: a prospective randomized controlled study.

Esat Uygur; Namik Kemal Ozkan; Kaya Akan; Hakan Cift

OBJECTIVE The aim of this prospective randomized controlled single-blind study was to compare the results of Chevron and Lindgren-Turan osteotomy techniques for treatment of moderate hallux valgus. METHODS A total of 66 female patients (34 in Chevron group, 32 Lindgren-Turan group) were recruited in this study and followed up for an average of 26.08 months. Operative procedures were performed by 2 surgeons, and patients were evaluated by an another researcher who was blinded to the surgical technique. The groups were compared for their radiological and clinical results. RESULTS Both techniques was clinically and radiologically effective (p<0.01). However, no significant differences were found between the 2 groups regarding American Orthopaedic Foot and Ankle Societys clinical rating system, Painful Foot Evaluation scale of Maryland University scores, or radiologic evaluation (p>0.05). Compared to the Chevron group, the Lindgren-Turan group was found to have shorter surgical duration (p<0.05) and significantly more shortening at the first metatarsal (p<0.05). CONCLUSION In moderate hallux valgus deformity, both the Chevron and Lindgren-Turan osteotomy techniques are clinically and radiologically safe, effective, and reliable alternatives. No superiority was detected in either technique. Although shortening at the first metatarsal in the Lindgren-Turan group was radiologically significant, the results were clinically tolerable.


Case reports in infectious diseases | 2013

Salmonella enteridis Septic Arthritis: A Report of Two Cases

Esat Uygur; Krishna Reddy; Feyza Unlu Ozkan; Salih Soylemez; Özlem Aydin; Serkan Şenol

Introduction. Nontyphoidal salmonellosis causes significant morbidity, is transmitted via fecal-oral route, and is a worldwide cause of gastroenteritis, bacteremia, and local infections. Salmonella is a less common etiologic factor for septic arthritis compared with other gram-negative bacteria. Cases. We present two septic arthritis cases with Salmonella enteridis as a confirmed pathogen and also discuss the predisposing factors and treatment. Discussion. Septic arthritis is an orthopedic emergency. The gold standard treatment of septic arthritis is joint debridement, antibiotic therapy according to the culture results, and physiotherapy, which should start in the early postoperative period to prevent limitation of motion. Salmonella is an atypical agent for septic arthritis. It must be particularly kept in mind as an etiologic factor for the acute arthritis of a patient with sickle cell anemia and systemic lupus erythematosus. Clinicians should be cautious that the white blood cell count in synovial fluid can be under 50.000/mm3 in immune compromised individuals with septic arthritis. The inflammatory response can be deficient, or the microorganism may be atypical. Conclusion. Atypical bacteria such as Salmonella species in immune compromised patients can cause joint infections. Therefore, Salmonella species must always be kept in mind for the differential diagnosis of septic arthritis in a clinically relevant setting.


Acta Orthopaedica et Traumatologica Turcica | 2018

Radiological and clinical outcomes of medial approach open reduction by using two intervals in developmental dysplasia of the hip

Afsar T. Ozkut; Yusuf Iyetin; Omer Kays Unal; M. Salih Soylemez; Esat Uygur; Irfan Esenkaya

Objective To evaluate the midterm clinical and radiological outcomes of the medial approach using two intervals for developmental hip dysplasia (DDH). Methods The study involved 62 hips of 47 patients (41 girls, 6 boys) treated with medial approach for DDH from 1999 to 2010. The age of the patients at surgery was 18.7 ± 2.25 months. Follow up of the patients was 11.3 ± 3.07 years. The age of the patients at the last follow up was 12.6 ± 1.74 years. According to the Tönnis classification, 13 hips were grade II, 27 hips were grade III and 22 hips were grade IV. Patients were evaluated according to Omeroglu radiological criteria and modified McKay functional criteria. The presence of avascular necrosis (AVN) of the hip was questioned using the KalamchiMacEwen classification. Results Radiologically, forty eight (77%) hips were evaluated as “excellent”, 8 (13%) hips as “good” and 5 (8%) hips as “fair plus” and 1 (%2) hip as “fair minus”. Two (3%) patients had type 1 temporary AVN and one (1%) patient had type 4 AVN with coxa magna and overgrowth of the greater trochanter. According to McKay functional criteria, 56 (90%) hips had “excellent” and 6 (10%) had “good” results. Two (3.2%) hips of one patient had to be reoperated with Salter osteotomy and femoral shortening + derotation osteotomy. Conclusion Medial approach using two separate intervals for tenotomy and capsulotomy does not jeopardize the medial circumflex or the femoral vessels and yields satisfactory midterm results for children 18 months old with dysplasia of the hip. Level of evidence Level IV, therapeutic study.


Journal of Pediatric Orthopaedics B | 2017

Can washing socks without flipping inside out cause hair tourniquet syndrome? A claim with two case reports.

Esat Uygur; Engin Çarkçı; Ethem Ayhan Ünkar

Hair tourniquet syndrome (HTS) is a rare, painful condition that results when hair or pieces of thread become wrapped tightly around toes, fingers, or other appendages, occluding blood flow and causing strangulation or amputation. Although the aetiology of HTS is unclear, we postulate that washing baby socks in a washing machine without turning them inside out might be a cause. Mothers should be informed about HTS and this simple prevention method should be suggested to them. Here, we present two cases of HTS and discuss possible causes.


Hip International | 2017

Factors predicting the outcomes of incomplete triple pelvic osteotomy

Engin Eceviz; Esat Uygur; Mehmet Salih Soylemez; Abdullah Eren

Introduction In the present study, we identified factors affecting the outcomes of patients who underwent incomplete triple pelvic osteotomies due to acetabular dysplasia. Methods Data on a total of 58 hips in 50 patients for whom adequate data were available and who had undergone appropriate follow-up were retrospectively evaluated. We used Ömeroğlu scores for radiological evaluation, Harris Hip Scores for clinical evaluation, Tönnis scores to evaluate osteoarthritis progression and a modified Clavien-Dindo classification to evaluate complications. Results The average patient age was 23.26 (14-47) years, and the average follow-up duration 105.59 (18-191) months. The complication rate was 10.3%, and complications negatively influenced clinical outcomes. Patients with radiologically poorer outcomes had more advanced osteoarthritis. We found minimal improvements in lateral centre edge angle (LCEA), refined centre-edge angle (RCEA), and lateral acetabulum head index (LAHI) were associated with osteoarthritis progression and that good improvements in LCEA, RCEA, acetabular angle (AA), and LAHI were associated with radiological outcomes. Neither patient age at the time of operation nor development of a postoperative relative crossover sign affected osteoarthritis progression or clinical or radiological outcomes. Conclusions The most important factors influencing clinical outcomes were complications. However, neither postoperative acetabular retroversion nor a positive supra-equatorial crossover sign (often viewed as prognostically negative) directly affected clinical outcomes. When treating patients with acetabular dysplasia, either inadequate correction or overcorrection may negatively affect outcomes. In such patients, an incomplete triple pelvic osteotomy (allowing controlled correction) is both safe and effective.


Journal of Academic Research in Medicine | 2016

Prevalence of Accessory Bones of the Foot in Turkish Patients

Esat Uygur; Birol Aktas; Tayyar Taylan Öz; Samet Erinç; Murat Koc

Objective: The aim of this study was to investigate the prevalence and distribution of accessory bones of the foot by age and gender in a Turkish patient group. Methods: Dorsoplantar and lateral foot radiographs acquired from the data related to outpatient clinics patients in 2014 were retrospectively examined for the presence of accessory bones. The computed radiography images were evaluated via a picture archiving and communication system. A total of 8204 radiographs were assessed and 6779 radiographs were found to be eligible for inclusion in the study. Results: 47.4% of the radiographs were from males and 52.5% females. The prevalence of accessory bones in the whole study group was found to be 18.1%. Gender analysis showed that 17.5% of the female radiographs and 16.4% of the male radiographs had accessory bones. Among all the accessory bones found in the study group, os tibiale externum was found to be the most common accessory bone (32.1%). Conclusion: In the present study, no significant difference was detected in terms of gender. Os tibiale externum was found to be the most common accessory bone of the foot. Os peroneum and os trigonum were found to be the second and third most common, respectively.


Journal of Pediatric Orthopaedics B | 2014

Developmental dysplasia of the hip associated with aplasia of the pubic bone (hook-pelvis): report of a case and review of the literature.

Salih Soylemez; Abdullah Eren; Afsar T. Ozkut; Esat Uygur; Samet Erinç

Aplasia of the pubic bone associated with congenital hip dislocation is rare. Various dysmorphic conditions featuring absence or hypoplasia of the ischiopubic bone, associated with congenital hip dislocation, have been distinguished in the literature. We report the case of an 18-month-old boy with developmental dysplasia of the hip associated with isolated total aplasia of the pubic bone. Patient was successfully treated with modified Salter osteotomy and reverse U-shaped capsuloplasty.


SiSli Etfal Hastanesi Tip Bulteni / The Medical Bulletin of Sisli Hospital | 2013

Çocuk suprakondiler femur kırıklarına tedavi yaklaşımı

Adem Şahin; Avşar Özkut; Engin Eceviz; Esat Uygur

A treatment approach to pediatric supracondylar femur fracture Pediatric supracondylar femur fractures are uncommon and only few publications regarding this subject are available in the current literature. Between 1990 and 2009, 279 pediatric femur fractures were retrospectively analyzed and 16 (5.7%) supracondylar femur fractures were detected. Predisposing musculoskeletal diseases were determined in three of these 16 patients [(osteogenesis imperfecta (2), cerebral palsy (1)]. Six patients who had non-displaced fracture were performed direct casting; after 3 weeks following traction under anesthesia, four patients underwent pelvipedal cast treatment. Percutaneous crossed K-wire fixation and a long-leg cast was applied in six patients. Fusion related problem and infection were not observed in any of the patients. During the postoperative follow-up, claudication was detected in two patients. One of them with cerebral palsy had concomitant high hip dislocation on the same side. Range of motion was normal in all except two patients who had claudication. Of these, one with 30° and the other with 10° extension loss were


Journal of Medical Case Reports | 2012

Synovial hemangiohamartoma presenting as knee pain, swelling and a soft tissue mass: a case report

Serkan Senol; Hakan Cift; Korhan Ozkan; Esat Uygur; Maria Silvia Spinelli

IntroductionWe present a case of a patient with juxtaarticular hemangiohamartoma with a synovial extension associated with hemorrhagic synovitis and recurrent spontaneous hemarthrosis.Case presentationA 21-year-old Caucasian woman was admitted to our hospital complaining of pain and swelling at her knee for 6 months. In the magnetic resonance imaging, T2-weighted and fat-suppressed scans revealed a mass with high signal intensity just posterior to the patellar tendon. We performed an excisional biopsy of the mass through an anterior longitudinal incision. Excised material included arterial and venous vascular structures, which were found to be spread among the fat, connective and peripheral nerve tissues microscopically.ConclusionAlthough hemangiohamartomas are not true neoplasms, they may cause knee pain, swelling and hemarthrosis that warrant surgical resection. This lesion, although rare, should be considered in the differential diagnosis, especially in teenagers and young adults.

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Abdullah Eren

Istanbul Bilim University

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Samet Erinç

Istanbul Medeniyet University

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Murat Demiroglu

Istanbul Medeniyet University

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Oguz Poyanli

Istanbul Medeniyet University

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Afsar Timucin Ozkut

Istanbul Medeniyet University

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Bahattin Kemah

Istanbul Medeniyet University

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