Publications by authors named "Kocas B"

Objectives: Although the association of Atherogenic index of plasma (AIP) with coronary artery disease (CAD) and atherosclerosis is known, the relationship between AIP and in-stent restenosis (ISR) remains unclear. We aimed to investigate the relationship between AIP and ISR in patients with stable angina pectoris (SAP) treated with drug-eluting stent (DES).

Methods: Patients with a history of DES implantation following stable angina were evaluated between January 2015 and November 2019 in this observational and retrospective study.

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  • The study explores the effectiveness of SYNTAX Score II (SS-II) in predicting mortality for patients with ST-segment elevation myocardial infarction (STEMI) who underwent primary percutaneous coronary intervention (p-PCI).
  • Researchers analyzed data from 743 STEMI patients, grouping them into low, mid, and high SS-II categories to examine in-hospital and long-term mortality rates.
  • Findings revealed that patients in the high SS-II group had significantly higher rates of in-hospital (15%) and all-cause mortality (32.2%), establishing SS-II >31 as a strong independent predictor of mortality risk.
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Since December 2019, the novel coronavirus (COVID-19) outbreak has become an important public health problem and one of the most common causes of morbidity and mortality worldwide. COVID-19 is highly associated with thromboembolic events, like deep venous thrombosis and pulmonary embolism (PE). Catheter-directed thrombolysis (CDT) provides effective reperfusion for the treatment of PE.

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To investigate the relationship between post-myocardial infarction (MI) left ventricular ejection fraction (LVEF) and fibrosis marker HE-4 in primarily revascularized patients with ST-segment elevation MI (STEMI). In 94 consecutive STEMI patients (median age 57 [IQR: 50-69] years; 77.7% male), HE-4 values were measured at hospital admission and 4 days after STEMI.

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  • The study evaluates the Modified Anticoagulation and Risk Factors in Atrial Fibrillation Risk Score (M-ATRIA-RS) to determine its effectiveness in predicting in-hospital mortality for COVID-19 patients, comparing it to other scoring systems like CHADS and CHA2DS2-VASc.
  • Data from 1,001 patients was analyzed, revealing that higher M-ATRIA-RS scores correlated significantly with increased mortality rates and other severe clinical outcomes.
  • The findings indicate that M-ATRIA-RS is an independent predictor of mortality, outperforming other scoring systems, and is easier to use than the Charlson Comorbidity Index (CCI).
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Although many alternative methods are present, maintaining ideal volume status in peritoneal dialysis (PD) patients still rely on clinical evaluation due to lack of an evidence-based method. Lung ultrasound (LUS) is a new method for evaluation of hidden congestion in this group.LUS findings and its relationship with other volumetric methods are investigated in this observational cross-sectional study.

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Objectives: The effects of chronic renin-angiotensin-aldosterone system (RAAS) blockers usage on adverse outcomes and disease severity remain uncertain in COVID-19 patients with hypertension. In this study, we aimed to determine the relationship between chronic use of RAAS inhibitors and in-hospital adverse events among hypertensive patients hospitalized with COVID-19.

Methods: In this retrospective single-center study, we enrolled 349 consecutive hypertensive patients diagnosed with COVID-19 infection.

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Article Synopsis
  • The modified CHA2DS2VASC (M-CHA2DS2VASc) risk score incorporates factors predictive of COVID-19 outcomes, suggesting it may better predict in-hospital mortality than traditional markers like troponin levels and neutrophil-lymphocyte ratio (NLR).
  • A study involving 694 hospitalized COVID-19 patients divided them into three risk groups based on their M-CHA2DS2VASc scores, showing a clear correlation between higher scores and increased rates of negative clinical outcomes, including mortality.
  • The analysis confirmed that M-CHA2DS2VASc was an independent predictor of mortality and outperformed the traditional CHA2DS2VASC score, making it a potentially valuable tool for early risk assessment
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Background: Toluene is used extensively in various industrial processes, and an increasing number of workers are getting exposed to its vapor. Cardiac abnormalities that have been reported in association with toluene exposure (in toxic doses) are atrioventricular conduction abnormalities, sinus bradycardia, ventricular tachycardia, recurrent myocardial infarction, dilated cardiomyopathy, and coronary vasospasm.

Hypothesis: We aimed to investigate the effects of chronic toluene exposure on cardiac rhythm.

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Background: The prevalence of coronary artery disease is on the rise as the life expectancy of the population increases. However, treatment of acute coronary syndrome in the elderly patients has its own problems that have not been thoroughly addressed in the clinical trials. Since these patients are generally fragile and have multiple co-morbidities, the course of acute coronary syndrome can frequently be complicated.

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Contrast-induced acute kidney injury (CI-AKI) is associated with increased mortality, morbidity, and prolonged hospitalization. Patients with acute coronary syndrome (ACS) have a 3-fold higher risk of developing CI-AKI. The aim of our study was to evaluate the predictors of CI-AKI and long-term prognosis in patients with ACS who developed CI-AKI (1083 patients were enrolled).

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Objective: To compare the long-term clinical outcomes between Resolute zotarolimus-eluting stent (R-ZES) and paclitaxel-eluting stent (PES) in patients with small coronary artery disease.

Background: Patients with a small vessel diameter are independently associated with increased risk of adverse cardiac events after drug-eluting stent implantation.

Methods: A cohort of 265 patients treated with R-ZES (185 patients with 211 lesions) or PES (80 patients with 100 lesions) in small vessel (≤2.

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Contrast medium-induced acute kidney injury (CI-AKI) is associated with morbidity and mortality, but the long-term outcomes of patients who do not develop CI-AKI remain unknown. We assessed clinical end points during long-term follow-up in patients at high risk for nephropathy who did not develop CI-AKI. Patients (n = 135) with impaired renal function (estimated glomerular filtration rate: 30-60 mL/min/1.

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