Wook-Jin Chung

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AIMS Ramipril and candesartan have distinct mechanisms of action to improve endothelial function. Therefore, we hypothesized that combination therapy has additive beneficial effects to simultaneously improve endothelial dysfunction and adipocytokine profiles in patients with hypertension. METHODS AND RESULTS Thirty-four patients were given ramipril 10 mg(More)
BACKGROUND AND OBJECTIVES The purpose of the current study was to assess left atrial (LA) physiology in relation to associations between LA volume change and regional tissue velocities and strains, and to extend this information to patients with mitral stenosis (MS) or mitral regurgitation (MR). SUBJECTS AND METHODS Twenty-two healthy persons, 22 patients(More)
PURPOSE Pulmonary arterial hypertension (PAH) is an orphan disease showing poor prognosis. The purpose of study was to evaluate clinical factors influencing outcomes in PAH. MATERIALS AND METHODS Patients who were diagnosed with PAH at a single center were reviewed retrospectively. Forty patients (34.9±14.5 years, 80% of female) were enrolled. RESULTS(More)
BACKGROUND Although several risk factors for stroke have been reported in patients with atrial fibrillation (AF), the relation of LV diastolic dysfunction to stroke is still uncertain in these patients. We evaluated the relationship between tissue Doppler-derived index, E/E', as well as other clinical and echocardiographic parameters and ischemic stroke by(More)
A 69-year-old woman diagnosed as having end-stage dilated cardiomyopathy had undergone partial left ven-triculectomy (PLV) in 1996. This is the first reported case of PLV (Batista procedure) in Korea. 1) She was doing well under the New York Heart Association class II diagnosis in November 2009 and had received 3-dimensional (3D) echocardiography for the(More)
Despite recent advances in understanding of the pathobiology and targeted treatments of pulmonary arterial hypertension (PAH), epidemiologic data from large populations have been limited to western countries. The aim of the Korean Registry of Pulmonary Arterial Hypertension (KORPAH) was to examine the epidemiology and prognosis of Korean patients with PAH.(More)
Hiatal hernia and Morgagni hernia are sorts of diaphragmatic hernias that are rarely detected on transthoracic echocardiography. Although echocardiographic findings have an important role for differential diagnosis of cardiac masses, we often might overlook diaphragmatic hernia. We report three cases of diaphragmatic hernias having specific features. The(More)
PURPOSE To compare the effectiveness of device closure and medical therapy in prevention of recurrent embolic event in the Korean population with cryptogenic stroke and patent foramen ovale (PFO). MATERIALS AND METHODS Consecutive 164 patients (men: 126 patients, mean age: 48.1 years, closure group: 72 patients, medical group: 92 patients) were enrolled.(More)
BACKGROUND/AIMS We evaluated the association between coding region variants of adrenergic receptor genes and therapeutic effect in patients with congestive heart failure (CHF). METHODS One hundred patients with stable CHF (left ventricular ejection fraction [LVEF] < 45%) were enrolled. Enrolled patients started 1.25 mg bisoprolol treatment once daily,(More)
Endovascular aneurysm repair (EVAR) is a safe alternative to open surgical repair for an abdominal aortic aneurysm. However, unfavorable aortic anatomy of the aneurysm has restricted the widespread use of EVAR. Anatomic limitation is most often related to characteristics of the proximal neck anatomy. In this report, we described a patient with a severely(More)