Publications by authors named "Mehmet Serdar Kucukoglu"

Background: Poor sleep quality is an overlooked symptom in patients with pulmonary arterial hypertension (PAH), however it may significantly contribute to disease burden.

Objectives: The aim of this study was to assess the sleep quality of patients with PAH and investigate its association with dyspnea, fatigue, and exercise capacity.

Methods: Forty-five patients were included.

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Background: Considering the limitations in activities of daily living (ADL) and the impact of improvements in patients with heart failure (HF), appropriate assessment of upper extremity functional capacity and ADL is important.

Objectives: To evaluate upper extremity functional capacity and ADL in patients with HF and compare them with healthy controls.

Methods: This study included 30 HF patients and healthy controls.

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Background: Mitral annular disjunction (MAD) is a structural abnormality characterized by the systolic detachment of the posterior mitral annulus and the ventricular myocardium. It is usually observed coexistent with mitral valve prolapse (MVP) and associated with a mechanical dysfunction despite preserved electrical isolation function of the mitral annulus. This study aimed to evaluate left ventricular (LV) function using speckle tracking echocardiography in MVP patients with MAD.

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Pulmonary hypertension (PH) is a major health problem with increasing awareness. Although most common cause of PH is left heart disease (Group 2 PH), life-threatening complications occur mostly in Group 1 (pulmonary arterial hypertension) and Group 4 (chronic thromboembolic PH) patients. Although external compression of the left main coronary artery (LMCA) due to pulmonary artery dilatation is rare, it is a life-threatening complication since it causes myocardial ischemia and sudden cardiac death.

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Pulmonary arterial hypertension is still a fatal disease persisting with poor prognosis, despite all the advances in treatment (new agents and new combination strategies) in recent years. Patients present with different symptoms which are not specific to the disease (dyspnea, angina, palpitation, and syncope). Angina may occur secondary to myocardial ischemia due to increased right ventricular after load (oxygen supply and demand mismatch) or external compression on the left main coronary artery.

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Background: Skeletal and respiratory muscle disfunction has been described in pulmonary arterial hypertension (PAH), however, involvement of accessory respiratory muscles and their association with symptomatology in PAH is unclear.

Objectives: To assess the primary and accessory respiratory muscles and their influence on exercise tolerance and dyspnea.

Methods: 27 patients and 27 healthy controls were included.

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Background: In pulmonary arterial hypertension (PAH), pathophysiological consequences of the disease and the drugs used to treat PAH may adversely affect musculoskeletal system. Aim of the study was to evaluate musculoskeletal pain prevalence and its impact on quality of life (QoL) and exercise capacity in PAH patients.

Methods: 61 PAH patients were evaluated with Nordic Musculoskeletal Questionnaire (NMQ) for musculoskeletal pain presence, EmPHasis-10 and Minnesota Living with Heart Failure Questionnaire (MLHFQ) for QoL, 6-min walk test (6MWT) for functional exercise capacity and International Physical Activity Questionnaire- Short Form (IPAQ-SF) for physical activity participation.

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Limited research exists regarding nonpharmacologic management of pulmonary arterial hypertension (PAH), except for exercise training. The objective of this study was to investigate the effects of osteopathic manipulative treatment (OMT) alone and combined with respiratory training on fractional exhaled nitric oxide (FeNO), and cardiopulmonary function in patients with PAH. This single-blind, prospective, randomized controlled study included 54 patients with PAH who were randomly allocated to OMT, combined intervention, and control groups.

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Objective: To evaluate clinical efficacy, safety and tolerability of long-term inhaled iloprost treatment in the daily practice for the management of pulmonary arterial hypertension (PAH).

Methods: A total of 115 patients with PAH on inhaled iloprost treatment were included. New York Heart Association (NYHA) functional class, brain natriuretic peptide (BNP) and N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels, and 6-minute walk distance (6MWD) were recorded at baseline and at 3rd to 24th month visits.

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Objective: Heart rate (HR) reduction is associated with improved outcomes in heart failure (HF). This multicenter, prospective, observational, and national registry aimed to evaluate resting HR and the impacts of HR-related medications in real-life clinical practice in patients with HF.

Methods: The Resting HR and Real-Life Treatment Modalities in Outpatients with Left Ventricular Systolic Dysfunction (REALITY HF) study enrolled 1054 patients with HF and left ventricular ejection fraction (LVEF) of <40% from 16 centers.

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Background: To investigate the association of Duke Activity Status Index (DASI) with 6-minute walk test (6MWT) and WHO-Functional Class (WHO-FC) in patients with pulmonary hypertension (PH), as well as exploring whether DASI can discriminate between the patients with better and worse long-term prognosis according to 400 m cut-off score in 6MWT.

Methods: Eighty-five medically stable PH patients who met eligibility criteria were included. All patients were evaluated using 6MWT and DASI.

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Objective: Chronic thromboembolic pulmonary hypertension (CTEPH) is one of the leading causes of pulmonary hypertension (PH). We aimed to investigate the outcome of CTEPH patients who were followed-up by a PH outpatient clinic.

Methods: We screened the medical records of 29 PH patients who were followed-up by a PH outpatient clinic between 2009 and 2018.

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Objective: Since the first World Symposium on Pulmonary Hypertension (WSPH; Geneva, 1973), pulmonary hypertension (PH) has been defined as a mean pulmonary artery pressure (mPAP) ≥25 mm Hg measured at right heart catheterization (RHC) while at rest in the supine position. At the 6th WSPH congress (Nice, 2018), a new proposal was presented defining pre-capillary PH as mPAP >20 mm Hg, with pulmonary arterial wedge pressure (PAWP) <15 mm Hg, and pulmonary vascular resistance (PVR) >3 WU. The aim of this study was to investigate the impact of the new definition of PH on the number of pre-capillary PH patients.

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Objective: Risk stratification continues to evolve in pulmonary arterial hypertension (PAH). Our aim was to further confirm the risk assessment strategy in our cohort and to determine the most reliable model.

Methods: We enrolled incident patients with idiopathic PAH (IPAH), heritable, drug-induced, congenital heart disease (CHD), connective tissue diseases (CTD) subsets, and chronic thromboembolic pulmonary hypertension (CTEPH) from January 2008 to February 2018.

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Natriuretic peptides have long been introduced into clinical practice. These biomarkers have certainly been shown to provide useful information in the diagnosis, prognosis and risk stratification in heart failure and also may have a role in the guidance of heart failure therapy. Although, there are some limitations in using of these markers such as lack of specificity, aging, renal dysfunction or obesity, among the huge number of candidates for heart failure biomarkers, only natriuretic peptides are currently widely used in daily clinical practice in heart failure.

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Objective: Pulmonary artery hypertension (PAH) is characterized by remodeling of the small pulmonary arteries, leading to a progressive increase in pulmonary vascular resistance and right ventricular failure. In this study, we aimed to share our 10 years of experience dealing with pulmonary hypertension (PH) and provide information in real-life settings in terms of demographics, clinical course, PH subgroup distribution, and treatment patterns in patients with PAH in a tertiary center.

Methods: In this retrospective, single-center, observational study, we screened the patients who applied to PH outpatient clinic of İstanbul University Institute of Cardiology due to the suspicion of PAH between 2008 and 2017.

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Infective endocarditis (IE) is an infectious disease that affects the endothelium of the large intrathoracic vessels, heart valves, and intra-cardiac foreign body material. A 20-year-old woman was admitted to the cardiology department with complaints of fever and palpitations. Transthoracic echocardiography revealed a bicuspid aortic valve, aortic root enlargement, and aortic coarctation.

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Heart failure (HF) is a progressive disorder associated with impaired quality of life, high morbidity, mortality and frequent hospitalization and affects millions of people from all around the world. Despite further improvements in HF therapy, mortality and morbidity remains to be very high. The life-long treatment, frequent hospitalization, and sophisticated and very expensive device therapies for HF also leads a substantial economic burden on the health care system.

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Exercise intolerance is the main characteristic of pulmonary arterial hypertension (PAH). The six-minute walk test (6MWT) and cardiopulmonary exercise test are widely used in assessing exercise capacity of PAH patients. Six-minute walk distance (6MWD) has been specified as the main clinical outcome in PAH and has been used as the primary end-point in many studies conducted for new PAH treatments.

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We describe the case of a 60-year-old woman who presented with pulmonary artery sarcoma, a very rare tumor of the cardiovascular system. Her tumor was initially misdiagnosed as chronic pulmonary thromboembolism, and she underwent pulmonary endarterectomy. Early diagnosis of primary pulmonary artery sarcoma is crucial.

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We report two cases of mechanical prosthetic mitral valve obstruction caused by remnants of the mitral valve posterior leaflet tissue preserved from the previous surgery. Both patients had rheumatic mitral stenosis causing New York Heart Association class III symptoms prior to mitral valve replacement.

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Left ventricular outflow tract pseudoaneurysm is a rare but a potentially lethal complication, mainly after aortic root endocarditis or surgery. Usually, it originates from a dehiscence in the mitral-aortic intervalvular fibrosa and arises posteriorly to the aortic root. We report a rare case of a patient with cardiac tamponade due to left ventricular pseudoaneurysm after aortic valve replacement.

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