Publications by authors named "Erol Sener"

Article Synopsis
  • The study assessed the effectiveness of hybrid aortic surgery in 24 patients with complex aortic conditions, focusing on technical success and postoperative outcomes like morbidity and mortality.
  • Different surgical strategies were utilized based on the location of the aortic issue, with notable findings that the femoral incision approach resulted in shorter hospital stays despite higher infection rates in some areas.
  • Overall, the results suggest that hybrid aortic surgery is both a safe and effective method for treating complex cases where standard procedures may not be adequate.
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Background: Hypersensitivity reactions to heparin are uncommon conditions but pose a serious clinical problem for patients requiring cardiopulmonary bypass. Bivalirudin is a reversible direct thrombin inhibitor that can be used instead of heparin.

Case Report: A 49-year-old male patient was admitted to our hospital for coronary artery bypass graft operation with mitral insufficiency and tricuspid valve insufficiency.

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Aberrant functioning of the proteasome has been associated with crucial pathologic conditions including neurodegeneration. Yet, the complex underlying causes at the cellular level remain unclear and there are conflicting reports of neuroprotective to neurodegenerative effects of proteasomal inhibitors such as lactacystin that are utilised as models for neurodegenerative diseases. The conflicting results may be associated with different dose regimes of lactacystin and hence we have performed a dose dependent study of the effects of lactacystin to identify concurrent changes in the cell membrane lipid profile and the dynamics of exocytosis using a combination of surface sensitive mass spectrometry and single cell amperometry.

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Background: A consensus has not yet been reached regarding which COVID-19 vaccine program should be applied in patients with ventricular assist device (VAD). Our aim was to assess the clinical outcome of inactivated, mRNA and heterologous vaccine program in patient with VAD.

Methods: In this retrospective and cross-sectional study; adult patients who underwent VAD implantation between January 2012 and September 2021 and received any vaccine that were used in Republic of Türkiye for COVID-19, were included.

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A systematic literature survey published in several journals of pharmaceutical chemistry and of chromatography used to analyze impurities for most of the drugs that have been reviewed. This article covers the period from 2016 to 2020, in which almost of chromatographic techniques have been used for drug impurity analysis. These chromatography techniques are important in the analysis and description of drug impurities.

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Pulmonary artery aneurysm (PAA) is a rare entity with fatal complications. Its silent course contributes to large aneurysms with compression symptoms. We present a 39-year-old female idiopathic pulmonary arterial hypertension patient with a giant PAA causing severe pulmonary regurgitation (PR) and symptomatic left main coronary artery compression (LMCA).

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Hydatid cyst is a parasitic disease caused by Echinococcus granulosus. It is endemic in Asia, Africa, South America, and the Mediterranean region including Turkey. Cardiac involvement is rare.

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An effective and sensitive liquid chromatographic-electrospray ionization tandem mass-spectrometric (LC-ESI-MS/MS) method was developed and validated for quantification of escitalopram oxalate (ESC-OX), antidepressant drug in spiked human urine and pharmaceutical formulations. In this work, simple liquid-liquid extraction was optimized and used for extraction of cited drug from urine samples. The chromatographic separation was attained within 6 min including re-equilibration time by using gradient elution with 0.

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In this study, a simple, efficient and rapid Ultra High Performance Liquid Chromatography method with fluorescence detection (UHPLC-FLD) has been developed and validated for the determination of Ochratoxin-A (OTA) in rat brain microdialysates and plasma samples. Six adult male wistar rats were used in the study and a single dose (5 mg/kg b.w.

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Background: Although the efficacy and safety of transfemoral transcatheter aortic valve implantation (TAVI) have been improved with new devices, careful patient selection is essential and awkward complications associated with the procedure persist. Despite a gradual reduction in the delivery system size and the development of access site arterial closure devices, vascular complications remain one of the main challenges of TAVI. The aim of this single-center study was to prospectively evaluate the incidence and predictors of vascular complications in transfemoral TAVI.

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Aim: To investigate and compare uncoated and phosphorylcholine-coated oxygenators in terms of induction of humoral immune response during coronary artery bypass surgery.

Methods: A total of 20 consecutive patients who underwent coronary artery bypass surgery were randomly distributed into two groups according to the type of oxygenator used during surgery. Group 1 consisted of 10 patients who were operated on using phosphorylcholine-coated oxygenators.

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A specific and sensitive capillary liquid chromatography-ultraviolet detection (cap-LC-UV) method in combination with a micro-extraction by packed sorbent (MEPS) sample clean-up procedure has been developed and validated for the simultaneous analysis of chlorpromazine, olanzapine and their flavin-containing monooxygenase (FMO) mediated N-oxides in rat brain microdialysates. Chromatographic separation was obtained on an Acclaim Pepmap RP C18 column with an ID of 300µm. An injection volume of 20µL was used to inject the largely aqueous samples and was shown to have no influence on the obtained peak shape of the compounds of interest.

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The neurotoxin 6-hydroxydopamine (6-OHDA) is widely used in animal models of Parkinson's disease. In various neurodegenerative diseases, astrocytes play direct, active, and critical roles in mediating neuronal survival and functions. Vasoactive intestinal peptide (VIP) has neurotrophic actions and modulates a number of astrocytic activities.

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Purpose: Acute thoracic aortic syndrome (ATAS) is a novel term to define emergency aortic conditions with common clinical features and challenges. Traditional management of ATAS includes surgical replacement of the aorta and is correlated with high perioperative mortality and morbidity. We aimed to evaluate our experience and outcomes in patients presenting with ATAS, managed by endovascular techniques.

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Background: This study aimed to present our experience in patients with acute traumatic thoracic aortic transection treated by endovascular stent-graft.

Methods: From October 2011 to October 2014, eleven patients were brought to our hospitals after suffering motor vehicle accident or fall from height. Computed tomography revealed acute traumatic transection of the thoracic aorta at the aortic isthmus just distal to the left subclavian artery in nine patients, at the middle or distal thoracic aorta in two, and both aortic isthmus and middle thoracic aorta in one.

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Ciprofloxacin (CPX) is a fluoroquinolone antibiotic used for treating respiratory, urinary tract, gastrointestinal and abdominal infections. There are only a limited number of studies related to neurological adverse effects of this drug in therapeutic doses. Therefore, in the present study, we aimed to investigate the influence of CPX, when administered at pharmacological doses, on behavioral parameters of rats and the probable underlying mechanisms.

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Context: Crataegus species are widely used as herbal medicines for preventing cardiovascular diseases (CVDs). However, there are no studies on the effects of Crataegus monogyna Jacq. (Rosaceae) and C.

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Article Synopsis
  • This study looks at something called patient-prosthesis mismatch (PPM) which is when a heart valve doesn't fit the patient well enough.
  • The researchers measured something called mean platelet volume (MPV) in patients who had a heart valve replaced to see if it could show how active their platelets were.
  • They found that patients with PPM had higher MPV levels compared to those without PPM and to healthy people, suggesting their platelets were more active.
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Coarctation of aorta and sinus of Valsalva aneurysm are frequently missed congenital cardiac defects that their diagnosis might be delayed. To our knowledge, coincidence of these cardiac defects is unusual and has not been reported in the literature before. Here, we present a patient with coarctation of aorta and ruptured noncoronary sinus of Valsalva aneurysm leading to aorto-right atrial fistula in the early postpartum period and our management of this unusual case.

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Background: Intraaortic balloon pump (IABP) is frequently used in cardiac surgery in order to prevent or treat low cardiac output syndrome. Although being widely used and forming the first line therapy in these haemodynamically unstable patients despite maximal medication, optimal timing for IABP insertion is still discussed. This retrospective study evaluates hospital outcomes of patients receiving IABP at preoperative, intraoperative and postoperative periods during cardiac surgery.

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Background: Diabetes is a well- identified major risk factor for cardiovascular diseases. This study was performed to evaluate the effect of diabetes and impact of glycemic control on internal thoracic artery (ITA) morphology by electron microscopy.

Methods: Thirty patients scheduled for coronary artery bypass grafting were enrolled in this study.

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Objectives: The aim of this study was to compare additive and logistic European System for Cardiac Operative Risk Evaluation (EuroSCORE), EuroSCORE II and the Society of Thoracic Surgeons (STS) models in calculating mortality risk in a Turkish cardiac surgical population.

Methods: The current patient population consisted of 428 patients who underwent isolated coronary artery bypass grafting (CABG) between 2004 and 2012, extracted from the TurkoSCORE database. Observed and predicted mortalities were compared for the additive/logistic EuroSCORE, EuroSCORE II and STS risk calculator.

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Purpose: We aimed to present our clinical experience with the renal artery catheterization (RAC) technique, which reduces the volume of intra-arterial contrast media (ICM) used during endovascular aortic repair (EVAR), and describe the short-term results of this technique.

Materials And Methods: We retrospectively evaluated 16 patients (15 males and one female) who underwent EVAR between March 2011 and February 2012 using the RAC technique for an abdominal aortic aneurysm. A Simmons-1 catheter was preferred for renal artery cannulation.

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Background: In the present study, we aimed to investigate the effects of off-pump coronary artery bypass grafting and on-pump cardiopulmonary bypass on the serum S-100 beta (S-100B) protein levels and neurocognitive functions of the patients.

Materials And Methods: Sixty-four patients undergoing coronary artery bypass grafting (CABG) were enrolled in the study and were divided into two groups: off-pump (group I, n = 24) and on-pump CABG (group II, n = 40) group. Serum S-100B levels were measured before and 0, 6, and 24 h after the operation.

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