Publications by authors named "Ozgur M"

Background: The emergence of COVID-19 has amplified the importance of efficient patient transfer, leading to the idea of inter-hospital ECMO transport programs. However, there are limited studies on ECMO transfer protocols and experiences during COVID pandemic. This study aimed to evaluate the effectiveness our transport program and provide insights into establishing and maintaining ECMO programs.

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Article Synopsis
  • The study investigates different strategies for venoarterial extracorporeal membrane oxygenation (V-A ECMO) in patients, examining the effectiveness of various cannulation sites and the use of intra-aortic balloon pump (IABP).
  • Researchers categorized patients into two main groups: those receiving isolated V-A ECMO and those receiving V-A ECMO with IABP, and further divided them based on cannulation sites (e.g., central, axillo-femoral).
  • Results showed no significant differences in organ perfusion across the different cannulation sites or with IABP support, suggesting that the choice of cannulation site should be tailored to individual patient needs rather than based on a one-size-fits-all approach
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With the COVID pandemic, veno-venous (VV) extracorporeal membrane oxygenation (ECMO) was implanted in many patients around the world. Data regarding follow-up and recovery of patients who are placed on ECMO support after COVID-related acute respiratory distress syndrome (ARDS) or ARDS for any other reason are limited. In our study, we share the 1 year follow-up results and cardiopulmonary exercise test results of the discharged patients.

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In the present study, we aimed to determine the parameters of oxidative stress markers, motility and kinematics of rainbow trout (Oncorhynchus mykiss) sperm cells exposed to different doses (0.001, 0.01, 0.

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Background: In this study, we shared our experience with the minimal invasive extracorporeal circulation system for coronary artery bypass grafting patients.

Methods: A total of 163 patients were included in the retrospective study, with 83 patients (63 males, 20 females; mean age: 61.9±8.

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Background: In this study, we present our experience in treating patients receiving extracorporeal membrane oxygenation for novel coronavirus disease-2019 (COVID-19)-associated acute respiratory distress syndrome using a combined anticoagulant and antiaggregant treatment with intravenous infusion of bivalirudin and aspirin.

Methods: Between April 1, 2020 and January 31, 2022, a total of 52 adult patients (32 males, 20 females; mean age: 44.5±11.

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Objective: This study aims to evaluate outcomes in nutcracker syndrome patients with tolerable symptoms and treated conservatively without invasive interventions.

Methods: This prospective study included patients treated conservatively. Promoting weight gain, the endpoint of the study was spontaneous resolution of symptoms.

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Background: Nutcracker syndrome is a rare condition that occurs as a result of the entrapment of the left renal vein (LRV) between the aorta and the superior mesenteric artery. It is typically associated with symptoms such as left flank pain, hematuria, proteinuria, and pelvic congestion. The current treatment approach may be conservative in the presence of tolerable symptoms, and surgical or hybrid and stenting procedures in the order of priority in the presence of intolerable symptoms.

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Background:  Surgical incisional approach to the ascending aorta is the main strategic step during valvular and/or subvalvular aortic interventions. Classic aortotomy incisions (transverse or oblique) can be challenging and can cause suboptimal exposure of the aortic root especially for the patients with small aortic annulus or for redo coronary artery bypass patients with patent proximal grafts interposed to the ascending aorta.

Methods:  The Kırali incision was used in 91 patients (including 13 reoperations) who underwent an aortic intervention for valvular and subvalvular pathologies.

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Cluster analysis is one of the most widely used exploratory methods for visualization and grouping of gene expression patterns across multiple samples or treatment groups. Although several existing online tools can annotate clusters with functional terms, there is no all-in-one webserver to effectively prioritize genes/clusters using gene essentiality as well as congruency of mRNA-protein expression. Hence, we developed CAP-RNAseq that makes possible (1) upload and clustering of bulk RNA-seq data followed by identification, annotation and network visualization of all or selected clusters; and (2) prioritization using DepMap gene essentiality and/or dependency scores as well as the degree of correlation between mRNA and protein levels of genes within an expression cluster.

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Background: Thoracofemoral bypass has been applied mostly secondary to previous procedures in the treatment of aortoiliac occlusive disease. However, its application as an initial treatment is less common, and long-term outcomes remain uncertain. The aim of this analysis was to review the 16-year experience and long-term outcomes of 31 consecutive patients who underwent thoracofemoral bypass as the primary procedure.

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Objective: Various psychological factors play a role in the development of nocturnal enuresis (NE) which causes significant distress both on children and their parents. However, current studies cannot attribute a role to the psychiatric conditions that cause or result from NE. This study aims to reveal some psychiatric parameters related to the parents of patients with NE which may play a role in the etiopathogenesis of NE.

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Background: Nocturnal Enuresis (NE) is considered as a multifactorial condition with a specific focus on psychological functioning regarding etiology. Various studies show that children with NE suffer from different types of self-esteem problems and insecure attachment styles. Nevertheless the relationship between these two psychological functions has not been adequately studied.

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This randomized prospective clinical study aimed to investigate the effects of dexmedetomidine or ketamine administration to total intravenous anesthesia (TIVA) on postoperative analgesia in subjects undergoing elective laparoscopic cholecystectomy procedures. 90 adults, American Society of Anesthesiologists (ASA) physical status 1 and II patients, who underwent elective laparoscopic cholecystectomy procedures were included in the study and randomized into three groups equally. Remifentanil, propofol, and rocuronium infusions were used for TIVA guided by the bispectral index.

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Background: Absence seizures (petit mal seizures) are characterized by a brief loss of consciousness without loss of postural tone. The disease is diagnosed by an electroencephalogram (EEG) showing spike-wave discharges (SWD) caused by hypersynchronous thalamocortical (TC) oscillations. There has been an explosion of research highlighting the role of astrocytes in supporting and modulating neuronal activity.

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The present study aimed to determine the cytotoxicity of chromium(III) oxide micro particles (CrO-Ps) in rainbow trout (Oncorhynchus mykiss) spermatozoa. Firstly, CrO-Ps were synthesized and structurally characterized the surface, morphological for particle size and thermal properties. In addition, its structural and elemental purity was determined using energy-dispersive X-ray (EDX) spectrum and elemental maps.

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Coronavirus disease 2019 affected millions of people and caused pneumonia, acute respiratory distress syndrome and increased mortality worldwide. Data from multicenter studies showed that concomitant chronic diseases are associated with severe coronavirus disease. Patients with left ventricular assist device (LVAD) support may also be vulnerable to the disease.

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Article Synopsis
  • The study evaluated 200 patients who underwent isolated mechanical aortic valve replacement (AVR) to assess the incidence of patient prosthesis mismatch (PPM) and its impact on heart function and survival.
  • Findings revealed that 21% of patients had no PPM, 61% had moderate PPM, and 18% had severe PPM, with significant decreases in mean valve gradients and left ventricular mass index (LVMI) observed post-surgery.
  • The results indicated that ejection fraction remained stable, and there was no significant difference in mortality between patients with no PPM and those with moderate PPM, suggesting that mild PPM does not adversely affect heart remodeling in patients with preserved heart function
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Purpose: The aim of this study was to evaluate the effect of multiple firings on the bond strength between yttria-tetragonal zirconia polycrystals (Y-TZP) and 2 types of resin cements.

Materials And Methods: Sixty 3Y-TZP specimens (LAVA Frame Multi) were divided into 3 groups depending on the following firing procedures: (1) 2-firing cycles, (2) 5-firing cycles, (3) 10-firing cycles. Two samples from each group were investigated by using SEM to determine the morphological changes.

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In this study, it was aimed to determine the protective effects of melatonin (0.01, 0.1, and 1 mM) against 10 mg/L titanium dioxide nanoparticles (TiO-NPs) on kinematic and oxidative indices in the sperm cells of Capoeta trutta.

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The purpose of this research is to determine ecotoxicological effects of dodine (n-dodecylguanidini acetate) on aquatic environments. Though dodine is widely used as a fungicide in agriculture, but there is no much data about its ecotoxicology. In this regard, we investigated bioaccumulation levels and histological alterations on the tissues of muscle, liver and gills in Rainbow Trout () against different doses (0.

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Background: This study aims to investigate the literature contribution of oral presentations presented in the largest national congresses of the Turkish Society of Cardiovascular Surgery.

Methods: A total of 675 orally presented abstracts during biannually organized 12, 13, and 14 congresses were reviewed using the PubMed and Google Scholar databases in May 2018. Abstracts were searched for institutions where they were submitted, publication status in scientific journals, type of peer-reviewed journal, and publication year.

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In this article, we present our diagnostic and therapeutic approach in a rare case in whom fluid inside the driveline developed following left ventricular assist device implantation.

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This review summarises the knowledge of catatonia, which is a neuropsychiatric syndrome with altered psychomotor and behavioural symptoms as well as autonomic dysfunction seen in a variety of psychiatric, neurologic and medical conditions. However, catatonia frequently remains unrecognised by clinicians. The classification of catatonia differs significantly in the international classifications, reflecting the controversy regarding the concept of catatonia and its complex symptomatology.

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Article Synopsis
  • Surgical treatments for heart failure are on the rise, with a focus on minimally invasive techniques to reduce incisions, although some clinics still prefer traditional methods.
  • This study compares outcomes between two groups of patients implanted with left ventricular assist devices (LVADs) — one group using a minimally invasive technique and the other using a standard full sternotomy.
  • Results showed that the minimally invasive approach resulted in lower mortality rates, shorter cardiopulmonary bypass times, and reduced use of blood products, while not compromising overall hospital stay or surgical feasibility compared to the conventional method.
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