Publications by authors named "Cenk Ozkan"

Objective: The number of patients during disastrous conditions was high, and triage is essential. In chaotic circumstances, orthopedic surgeons can also struggle with patient selection, not only for surgical selection but also for the necessity of hospitalization. So, the performance of the Injury Severity Score, New Injury Severity Score, and Trauma and Injury Severity Score was compared in victims who were struck under the wreckage and had fractures due to the Kahramanmaras Earthquake.

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Background: The decision of fasciotomy or amputation in crush syndrome is controversial and challenging for surgeons. We aimed to share our experiences after the Kahramanmaraş earthquake, to predict the severity of crush syndrome and mortality, and to guide the surgical decision.

Methods: The clinical data of patients during their first week of hospitalization were analyzed retrospectively.

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Objective: This study aimed to investigate the clinical, electrophysiological, and histomorphological effects of local use of coenzyme Q10 and vitamin E combination in a rat model of peripheral nerve injury.

Methods: Forty adult female Wistar-Albino rats weighing 250-350 g were kept in a room with a temperature of 20-22°C and a light/dark cycle of 12 hours. They had free access to food and water.

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Purpose: Long bone defects due to fractures resulting from high-energy trauma, infections and tumor resections are problems that orthopedic surgeons commonly face. We investigated the effects of a titanium mesh cage on bone healing with an induced membrane technique.

Methods: Three groups, each composed of eight rabbits, were formed.

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Objective: The aim of this study was to investigate whether there is a relationship between Salter and Pemberton pelvic osteotomies and avascular necrosis of femoral head in the management of developmental dysplasia of the hip (DDH).

Methods: This retrospective study included 69 hips of 52 patients aged between 12-36 months, diagnosed as DDH who had undergone either Salter or Pemberton pelvic osteotomy with Smith Petersen approach. There were 35 patients in Salter Pelvic Osteotomy and 34 patients in Pemberton Pelvic Osteotomy groups.

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Background: Acute appendicitis is the most frequently encountered non-obstetric disease requiring surgical intervention during pregnancy. Early diagnosis reduces maternal and fetal morbidity / mortality rates.

Aim: This study aims to investigate hemogram parameters in the diagnosis of acute appendicitis in pregnant women.

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Objectives: In this study, we aimed to investigate the effect of tranexamic acid (TXA) on osteotendinous junction healing in a rat model, both biomechanically and histologically.

Materials And Methods: Sixty-four male Wistar-Albino rats weighing 450 to 600 g were used in this study. The rats were divided into two groups as the experimental (n=16) and control (n=16) groups.

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Background: The clinical significance of gastrointestinal wall thickening (GWT) on abdominal computed tomography (CT) is not certain, yet. Despite the need for clinical guidelines describing the importance and evaluation of GWT on a CT scan, there have been few studies evaluating these incidental imaging abnormalities. The aim of this study is to endoscopically evaluate certain etiologies that cause incidental GWT found on CT.

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Background: Laparoscopic cholecystectomy (LC) is the accepted standard treatment for acute cholecystitis (AC) in patients eligible for surgery. Percutaneous cholecystostomy (PC) can provide a permanent treatment for high-risk patients for surgery or act as a bridge for later surgical treatment. This study is an evaluation of the use of PC during the current coronavirus 2019 (COVID-19) pandemic at a single hospital.

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Background: Acute biliary pancreatitis is one of the most frequently encountered diseases among general surgeons in emergency surgical diseases. Differences in diagnosis and treatment management of these patients, varying from physician to physician, are common in clinical practice. We aimed to present these differences and discuss the results in the light of current guidelines in the literature.

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Objective: Giant cell tumor of bone (GCT) is a primary, osteolytic, benign tumor of the bone. Surgery is the commonly used treatment; however, recurrence remains a problem. Receptor activator of nuclear factor kappa B (RANKL) is responsible for the formation of osteoclastic cells.

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Objective: Elastofibroma dorsi (ED) is a rare, benign, soft tissue tumor typically located between inferior corner of scapula and posterior chest wall causing mass, scapular snapping, and pain. When classic symptoms and localization are present, it is diagnosed without biopsy and treated with marginal resection. This study retrospectively analyzed patients operated on for ED to evaluate presenting symptoms, tumor size, complications, and clinical results, and to suggest optimal treatments.

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Objective: The present study assessed functional and radiographic outcomes of distraction osteogenesis treatment of post-traumatic elbow deformities in children.

Methods: Eight children were treated between 2008 and 2013 for post-traumatic elbow deformities using distraction osteogenesis. Mean age at time of operation was 10.

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Study Design: Experimental study.

Objective: The aim of this study is to evaluate the vertebral body growth under distraction forces in immature pigs treated with growing rod (GR) technique.

Summary Of Background Data: Distraction forces applied on growth plate of appendicular skeleton stimulate longitudinal growth.

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Patients with sickle cell disease (SCD) who have deformities and vertebral fractures due to osteoporosis may require surgery. Spinal surgeons must become familiar with the vertebral morphometry of patients with SCD and to that aim we have examined the morphometry of the thoracolumbar spine in these patients. A cohort of 100 patients with SCD was examined using plain thoraco lumbar anteroposterior/lateral radiographs and dual energy X-ray absorptiometry (DEXA).

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Objectives: We reviewed the results of a transverse osteotomy for cubitus varus deformity in adults stabilized by two different methods of fixation with either Kirschner wire (K-wire) or Y plate.

Patients And Methods: Sixteen soldiers were treated by a lateral closing wedge osteotomy of the distal humerus for cubitus varus deformity in the military infirmary. Two different methods of fixation were used for the osteotomy.

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Study Design: Experimental study.

Objective: To evaluate the biomechanical stability of screws placed in expanded pedicles, and to compare those with the screws placed in the nonexpanded pedicles in an in vivo model.

Summary Of Background Data: Pullout strength of a pedicle screw increases as the diameter of the screw gets larger.

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A new technique of femoral fixation that uses a transverse osteotomy for subtrochanteric shortening and derotation in total hip arthroplasty for Crowe type 3 to 4 dysplasia of the hip is described. This series included 21 cases in 12 women and 2 men, with a mean age of 42.3 years.

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Introduction: Five adult patients, with posttraumatic cubitus varus deformity underwent corrective surgery by the Ilizarov method of distraction osteogenesis.

Method: A standard technique was applied in all patients. The average follow-up was 28 (range, 24-38) months.

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Case reports concerning rare complications of human bite injuries are uncommon in the literature. Further, rehabilitation of the resultant dysfunction is also hardly reported. A 41-year-old housewife who had had a human bite during an altercation 6 months ago was referred to the rehabilitation department with a nonfunctioning right hand.

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Background: Acute shortening is reported to be an effective method for the treatment of open fractures with bone and soft tissue defects. Little is known about primary skin closure with angulation to the side of the defect and distraction at the fracture site.

Methods: We present a series of three cases treated for defective fractures of tibia by angular shortening and delayed gradual distraction with hinged circular external fixator.

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The effect of exercise on articular cartilage has been assessed on animal models and on humans using various imaging techniques. Joint cartilage, whose water content decreases itself thanks to its unique permeable medium, maintains load distribution and joint function together with the synovial fluid under physiologic conditions and sports activities. The adaptive capacity of joint cartilage is limited under various conditions such as excessive load bearing or prolonged immobilization; however, when these factors are reversed deformed cartilage returns to its former state under normal conditions.

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Modification of circular Ilizarov frames is necessary to overcome the difficulties in pin positioning due to unfavorable anatomic site or local soft-tissue conditions. Hybrid frame configurations consisting of half pins or full-threaded schanz screws are widely used in clinical practice. This study compared the mechanical performance of hybrid frames and a standard system.

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