Publications by authors named "Mert G"

Objective: Pineal gland volume (PGV), which is associated with sleep and circadian rhythm, is known to be changed in some psychiatric disorders such as major depression, mood disorders and schizophrenia. This study aimed to compare the PGV of children with mild and moderate intellectual disability (ID) and healthy children.

Methods: This multicentre retrospective study included 40 children with ID (patient group), aged 6-12 years and 40 age- and sex-matched healthy children (control group).

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Background: The one-minute sit-to-stand test (1STST) is an easy-to-administer, space and time-saving test for determining functional exercise capacity in cardiac disease. This study aimed to investigate the 1STST -test-retest reliability and convergent validity and compare its physiological responses to the six-minute walk test (6MWT) in patients with Atrial fibrillation (AF).

Methods: Forty-five patients with AF were included in this study.

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Article Synopsis
  • Acute heart failure (AHF) patients exhibit a wide range of symptoms and risks, making them a complex group to manage, with increased chances of dangerous ventricular arrhythmias (VAs) during episodes.
  • New VAs during AHF correlate with higher morbidity and mortality in hospitals, but there is ongoing debate about when to perform coronary interventions or implant defibrillators.
  • Different European countries have varying emergency medical capabilities for treating AHF and VAs, and while guidelines exist for chronic heart failure, less is known about arrhythmias in AHF, prompting this consensus paper to propose better ways to identify and treat these complications.
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Pontocerebellar hypoplasia (PCH) is a heterogeneous group of neurodegenerative disorders characterized by hypoplasia and degeneration of the cerebellum and pons. We aimed to identify the clinical, laboratory, and imaging findings of the patients with diagnosed PCH with confirmed genetic analysis. We collected available clinical data, laboratory, and imaging findings in our retrospective multicenter national study of 64 patients with PCH in Turkey.

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Objective: The MORtality in CORonary Care Units in Türkiye (MORCOR-TURK) trial is a national registry evaluating predictors and rates of in-hospital mortality in coronary care unit (CCU) patients in Türkiye. This report describes the baseline demographic characteristics of patients recruited for the MORCOR-TURK trial.

Methods: The study is a multicenter, cross-sectional, prospective national registry that included 50 centers capable of 24-hour CCU service, selected from all seven geographic regions of Türkiye.

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Objective: The aim of this study was to analyze the role of various ß-blockers in managing exercise-induced blood pressure escalations, referred to as exaggerated blood pressure response (eBPR). Despite the importance of this phenomenon, there is limited data on the efficacy of ß-blockers in controlling eBPR.

Method: Our retrospective cohort for this study comprised 2,803 individuals who underwent treadmill tests from January 2016 to February 2018.

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Since the outbreak of COVID-19, efforts have been made towards semi-quantitative analysis of lung ultrasound (LUS) data to assess the patient's condition. Several methods have been proposed in this regard, with a focus on frame-level analysis, which was then used to assess the condition at the video and prognostic levels. However, no extensive work has been done to analyze lung conditions directly at the video level.

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Background: Various etiologies may underlie optic neuritis, including autoantibody-mediated disorders described in the last decade. We re-examined demographic, clinical, laboratory features and prognostic factors in pediatric patients with autoimmune optic neuritis according to current knowledge.

Methods: Cases of pediatric ON from 27 centers in Türkiye diagnosed between 2009 and 2022 were included for retrospective evaluation.

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Background And Aims: Familial hypercholesterolemia (FH) is a common inherited disease, leading to premature atherosclerotic cardiovascular disease (ASCVD) due to elevated low-density lipoprotein cholesterol (LDL-C) levels. Achieving LDL-C goals is extremely important for preventing the complications of this fatal disease. We evaluated the management of FH patients with ASCVD in cardiology practice.

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Background: Given the increased risk of falls in patients with heart failure (HF), there is limited information in the literature about the possible relationship between fall risk and functional capacity.

Objective: To investigate the relationship between functional capacity and fall risk in patients with HF and to determine whether there are differences in clinical parameters between patients with and without fall risk.

Methods: The study included 64 patients with HF.

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Background: Heart failure with preserved ejection fraction is a complex and heterogeneous clinical syndrome, poses significant diagnostic challenges. The HFA-PEFF [Heart Failure Association of ESC diagnostic algorithm, P (Pretest Assessment), E  (Echocardiographic and Natriuretic Peptide score), F1 (Functional testing in Case of Uncertainty), F2 (Final Aetiology)] and H2FPEF [Heavy (BMI>30 kg/m2), Hypertensive (use of ≥2 antihypertensive medications), atrial Fibrillation (paroxysmal or persistent), Pulmonary hypertension (Doppler Echocardiographic estimated Pulmonary Artery Systolic Pressure >35 mm Hg), Elderly (age >60 years), Filling pressure (Doppler Echocardiographic E/e' >9)] scoring systems were developed to aid in diagnosing heart failure with preserved ejection fraction. This study aimed to assess the concordance and clinical accuracy of these scoring systems in the 'A comPrehensive, ObservationaL registry of heart faiLure with mildly reduced and preserved ejection fractiON' cohort.

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Background: Myotonia congenita is the most common form of nondystrophic myotonia and is caused by Mendelian inherited mutations in the CLCN1 gene encoding the voltage-gated chloride channel of skeletal muscle.

Objective: The study aimed to describe the clinical and genetic spectrum of Myotonia congenita in a large pediatric cohort.

Methods: Demographic, genetic, and clinical data of the patients aged under 18 years at time of first clinical attendance from 11 centers in different geographical regions of Türkiye were retrospectively investigated.

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Background: The recent 2019 European Society of Cardiology/European Atherosclerosis Society practice guidelines introduced a new risk categorization for patients with diabetes. We aimed to compare the implications of the 2016 and 2019 European Society of Cardiology/European Atherosclerosis Society guidelines with regard to the lipid-lowering treatment use, low-density lipoprotein cholesterol goal attainment rates, and the estimated proportion of patients who would be at goal in an ideal setting.

Methods: Patients with diabetes were classified into 4 risk categories according to 2019 European Society of Cardiology/European Atherosclerosis Society dyslipidemia guidelines from the database of EPHESUS (cross-sectional, observational, countrywide registry of cardiology outpatient clinics) study.

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Background: Sudden onset of unilateral weakness of the upper and lower muscles of one side of the face is defined as peripheral facial nerve palsy. Peripheral facial nerve palsy is often idiopathic and sometimes it could be due to infectious, traumatic, neoplastic, and immune causes. This study aimed to report the clinical manifestation, evaluation, and prognosis in children with peripheral facial nerve palsy.

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Unlabelled: Pontocerebellar hypoplasia (PCH) constitutes a heterogeneous neurodegenerative/neurodevelopmental disorder of the pons and cerebellum with onset in the prenatal period. Our study aimed to present different clinical and radiological manifestations of our genetically diagnosed PCH patients.

Method:  Six patients were enrolled in this study from September 2018 to March 2021.

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In the present study, the relationship between D-dimer/fibrinogen ratio (DFR) and in-hospital outcomes was evaluated in patients with COVID-19 and a diagnosis of heart failure (HF). In-hospital outcomes were compared in patients with high and low DFR values. With regard to in-hospital outcomes, patients in the third tertile of DFR had a higher rate of mechanical ventilation, cardiogenic shock and death (p < 0.

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Children with chronic neurological diseases, including cerebral palsy (CP), are especially susceptible to vaccine-preventable infections and face an increased risk of severe respiratory infections and decompensation of their disease. This study aims to examine age-appropriate immunization status and related factors in the CP population of our country. This cross-sectional prospective multicentered survey study included 18 pediatric neurology clinics around Turkey, wherein outpatient children with CP were included in the study.

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Background: Measurement of the optic nerve sheath diameter (ONSD) with point-of-care ultrasound (POCUS) is a non-invasive and radiation-free technique that can be used to assess increased intracranial pressure (ICP). Ophthalmic artery and central retinal artery Doppler indices can be used like transcranial Doppler to evaluate increased ICP. This study aims to examine the diagnostic value of ONSD measurements and central retinal artery Doppler indices in the evaluation of pediatric patients with increased ICP.

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