Publications by authors named "Kemalettin Erdem"

Background: Vitamin D has relationships with pathogenesis and inflammation pathways in many diseases. Its deficiency may make clinicians think not only of supplementation but also of presence of other diseases.

Objective: To investigate the relationship between vitamin D levels and deep vein thrombosis (DVT), given that reduced levels are related to increased risk of cardiovascular diseases.

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Objective: To examine dynamic thiol/disulphide homeostasis metrics as a novel risk factor of oxidative stress in patients with peripheral arterial disease.

Methods: One hundred patients with lower extremity peripheral arterial disease (a study group) and 100 control subjects were included in this prospective case-control study. Participants' baseline clinical characteristics and laboratory data including some oxidant/antioxidant status parameters such as albumin, ferroxidase and myeloperoxidase, and thiol/disulphide homeostasis parameters such as native thiol, total thiol and disulphide, as well as native thiol/total thiol, disulphide/native thiol and disulphide/total thiol ratios were all recorded and then compared between the groups.

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Objective: To investigate the effects of lidocaine oropharyngeal spray applied before endotracheal intubation on hemodynamic responses and electrocardiographic parameters in patients undergoing coronary artery bypass grafting.

Methods: A total of 60 patients who underwent coronary artery bypass grafting surgery were included in this prospective randomized controlled study. Patients were randomly divided into two groups, the topical lidocaine group (administration of 10% lidocaine oropharyngeal spray, five minutes before laryngoscopy and endotracheal intubation) and the control group.

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Background: Olfactory and taste sensations have a high impact on the quality of life. Impaired olfactory and taste functions may have a negative effect on physical and mental well-being, personal hygiene, and nutritional satisfaction, leading to the occurrence of depressive symptoms and impaired quality of life. Therefore, the recovery period of patients with disturbed olfactory and taste functions may be prolonged, and return to active life may be delayed.

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Objective: To investigate the effects of preoperative anxiety relieving on electrophysiological changes in patients undergoing off-pump coronary artery bypass surgery.

Methods: A total of 61 patients at ASA III risk group in the age range of 18-65 years were enrolled in the present study. Patients were randomly divided into two groups.

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Objective: In this study, the perioperative outcomes of video-assisted thoracoscopic surgery (VATS) and robot-assisted thoracoscopic surgery (RATS) were compared in patients with clinical stage I and stage II thymoma.

Methods: The outcomes of 24 patients (10 males and 14 females; mean age: 42.5 years; range: 18-65 years) with diagnoses of clinical stage I and stage II thymoma who underwent VATS in our clinic between April 2010 and March 2018 were compared with the outcomes of 21 patients (8 males and 13 females; mean age: 41.

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Purpose: To compare endovenous laser ablation (EVLA) and radiofrequency venous ablation (RFA) in different legs in the same patients with venous insufficiency.

Methods: Sixty patients with bilateral saphenous vein insufficiency were included. Endovenous laser ablation or RFA was applied to one of the patient's legs and the remaining procedure, RFA or EVLA, to the other leg.

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Introduction: This study determined whether coronary artery bypass grafting (CABG) surgery has any effect on olfactory function, employing the Brief Smell Identification Test (B-SIT).

Material And Methods: All the participants were informed preoperatively about the B-SIT test and the mode of its application. The test was performed by each patient preoperatively (d0) as well as 1 (d1) and 3 (d3) days following the surgery.

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Background: To compare 1,470-nm endovenous laser ablation (EVLA) and radiofrequency ablation (RFA) in the treatment of patients with great saphenous vein diameters of 10 mm or more.

Methods: One hundred twenty consecutive patients presenting to the cardiovascular surgery department with a great saphenous vein diameter exceeding 10 mm at the saphenofemoral junction between January and December 2013 were included in the study. The first randomly selected 60 patients (group 1) received 1,470-nm EVLA and the other 60 patients (group 2) received RFA.

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Aim: To evaluate the effects of montelukast and Hypericum perforatum against ischemia/reperfusion (I/R)-induced intestinal damage.

Materials And Methods: Twenty-eight hamsters were divided into 4 groups following midline abdominal laparotomy: control group (n = 7), I/R group (n = 7), montelukast and I/R (MIR) group (n = 7), and Hypericum perforatum and I/R (HPIR) group (n = 7). After 60 min of ischemia through obstruction of the superior mesenteric artery, 24 h of reperfusion was maintained.

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Objective: The aim of our study was determine whether aortic knob width (AKW) is associated with the development of atrial fibrillation (AF) after isolated coronary artery bypass surgery (CABG).

Methods: In this retrospective observational cohort study, we evaluated 135 patients without hemodynamically significant valvular problems. AKW was measured on chest X-ray by digital system.

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Objectives: It is well known that inflammation plays a key role in both initiation and propagation of acute coronary syndrome (ACS). White blood cell (WBC) and its subtypes are an indicator of inflammation in patients with ACS. We aimed to evaluate the WBC and its subtypes in patients aged <45 year with acute coronary syndromes.

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Objectives: It has been shown that the neutrophil to lymphocyte ratio (N/L ratio) is associated with cardiovascular events and mortality. In this study, we investigated the N/L ratio in patients with coronary artery ectasia (CAE).

Study Design: Fifty patients diagnosed with CAE using coronary angiography were included in the study (29 male, 21 female; mean age, 51.

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Postoperative atrial fibrillation (AF) is a common complication of coronary artery bypass grafting (CABG). The mean platelet volume (MPV) is an important marker of platelet activity and is associated with cardiovascular risk factors. We investigated whether the MPV is associated with the development of AF after CABG.

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Objective: Postoperative atrial fibrillation (POAF) complicating coronary artery bypass grafting surgery (CABG) increases morbidity and stroke risk. Total atrial conduction time (PA-TDI duration) has been identified as an independent predictor of new-onset atrial fibrillation (AF). We aimed to assess whether PA-TDI duration is a predictor of AF after CABG.

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Introduction: In this study, we aimed to investigate the relationship between glycated haemoglobin (HbA1c) levels and the severity of coronary artery disease (CAD) in < 40 years old patients.

Material And Methods: The study population consisted of 211 premature coronary atherosclerotic patients (pCAP) (aged 36.4 ± 2.

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Objective: The aim of our study was to investigate total atrial conduction time and left atrial (LA) mechanical function in patients with isolated coronary artery ectasia (ICAE).

Methods: Sixty patients with ICAE without any visible coronary stenosis were enrolled to this cross-sectional observational study. The control group consisted of 40 age- and gender-matched patients.

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Introduction: The goal of therapy in all patients with combined orthopaedic and vascular injuries of the extremities is salvage of a functional limb. In this study, we have evaluated our experience with a subset of patients who had a combination of vascular injury and limb fracture.

Patients And Methods: The records of 192 patients with vascular injuries of the lower and upper limbs associated with bone fractures were reviewed.

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The purpose of this study was to investigate the effect of N-acetylcysteine (NAC) on spinal cord ischemia-reperfusion (I-R) in rabbits. Thirty rabbits were divided into five equal groups, group I (sham-operated, no I-R), group II (control, only I-R), group III (I-R+NAC), group IV (I-R+hypothermia), group V (I-R+NAC+hypothermia). Spinal cord ischemia was induced by clamping the aorta both below the left renal artery and above the aortic bifurcation.

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