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Predictive Value of Exercise Blood Pressure Changes for Orthostatic Hypotension in Patients With Parkinson’s Disease

Qin Y, Jin Zh, Zhang Zy, Chen Kk, Yu X, Yan Hj, Wang Rd, Su Y, Liu Ax, Xi Jn, Fang By

Background and Purpose Orthostatic hypotension (OH) is common in patients with Parkinson’s disease (PD). Early recognition OH is required with sensitive assessments. The purpose of this study was to determine...
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Nationwide Trends of Gatekeeper to Invasive Coronary Angiography in Suspected Coronary Artery Disease

Cha MJ, Kim WD, Won H, Joo J, Kim H, Kim IC, Kim JY, Lee S, Cho I

Background and Objectives: Real-world trends in the utility and type of gatekeeping studies in invasive coronary angiography (ICA) requires further investigation. Methods: We identified outpatients who underwent noninvasive cardiac tests or...
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Accuracy and Validity of Commercial Smart Bands for Heart Rate Measurements During Cardiopulmonary Exercise Test

Kim C, Kim SH, Suh MR

Objective To assess the accuracies and validities of popular smart bands for heart rate (HR) measurement in cardiovascular disease (CVD) patients during a graded exercise test (GXT). Methods Seventy-eight patients were...
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Is Age-Predicted Maximal Heart Rate Applicable in Patients With Heart or Lung Disease?

Han SH, Choi MS, Kim YM, Kim DM, Park HE, Hong JW, Kim SH, Shin YB, Lee BJ

Objective To compare the predicted and actual maximal heart rate (HRmax) values in the cardiopulmonary exercise test (CPET). Methods We retrospectively investigated 1,060 patients who underwent a CPET between January 2016...
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Association between Physical Activity and Chronotropic Incompetence in Patients with Complex Congenital Heart Disease

Kim HJ, Yoon JK, Kim CH, Kim SH, Franklin BA, Jae SY

Purpose: Although chronotropic incompetence (CI) is common in patients with complex congenital heart disease (CHD) and is associated with adverse cardiovascular outcomes, few data are available regarding modifiable predictors of...
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Comparison of Predicted Exercise Capacity Equations in Adult Korean Subjects

Jeong D, Oh YM, Lee SW, Lee SD, Lee JS

Background: Maximal oxygen uptake (VO2 max) is a useful index to assess exercise capacity. However, there is no reference value for Koreans. This study aimed to compare actual VO2 max...
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Hypokalemic Paralysis: A Report of Two Different Cases

Jeong EJ, Lee HI, Yoo HJ, Kwon HK, Lee HJ, Pyun SB

Hypokalemic paralysis is a cause of acute paralysis that can be classified as primary (familial) or secondary according to its etiology. Routine electrodiagnostic examinations can be normal between attacks, potentially...
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A Single Bout of Constant-Load Exercise Test for Estimating the Time Constant of Oxygen Uptake Kinetics in Individuals With Stroke

Oyake K, Baba Y, Suda Y, Murayama J, Mochida A, Ito Y, Abe H, Kondo K, Otaka Y, Momose K

Objective To examine the relationship between the time constant of oxygen uptake kinetics during the onset of exercise (τVO2) estimated from a single exercise bout and that obtained from three...
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Evaluating dyspnoea in chronic obstructive pulmonary disease

Ong KC

Dyspnoea is the most common and troubling symptom in patients with chronic obstructive pulmonary disease (COPD) and the severity of the symptom engenders negative impacts on health status, exacerbation rate,...
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Do Patients Maintain Proper Long-Term Cardiopulmonary Fitness Levels After Cardiac Rehabilitation? A Retrospective Study Using Medical Records

Kim C, Choi HE, Jang JH, Song JH, Kim BO

Objective To examine whether patients who participated in a cardiac rehabilitation (CR) program after hospitalization for acute coronary syndrome maintained cardiorespiratory fitness (CRF) in the community. Methods We conducted a retrospective...
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Effects of White-coat Hypertension on Heart Rate Recovery and Blood Pressure Response during Exercise Test

Jin S, Heo JH, Kim BJ

Objectives: White-coat hypertension is defined as high blood pressure (BP) on clinical assessment but normal BP elsewhere or on ambulatory measurement. Autonomic dysfunction may be one of the mechanisms causing...
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Response of the oxygen uptake efficiency slope to exercise training in patients with chronic kidney disease

Wilkinson TJ, Watson EL, Vadaszy N, Baker LA, Viana JL, Smith AC

Background: Chronic kidney disease (CKD) patients have poor cardiorespiratory fitness. Although cardiopulmonary exercise testing (CPET) is a universal assessment of cardiorespiratory fitness, values taken at ‘peak’ effort are strongly influenced...
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CHA2DS2-VASc Score Is Correlated with Cardiac Performance in Chronic Atrial Fibrillation

Jeon DS, Kim MJ, Lee W, Lee D, Choi IJ

Background: The CHA2DS2-VASc score is a popular tool for risk prediction of thromboembolism in patients with atrial fibrillation (AF). Each component of the CHA2DS2-VASc scheme is an established risk factor...
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An Empirical Study on the Effect of Short-Term Regular Vitamin D3 Supplement Therapy on Blood Pressure and Exercise Tolerance in Heart Failure Patients

Hosseinzadeh F, Oskouei NJ, Ghavamzadeh S

The receptor of vitamin D is expressed in almost all body cells, including vascular endothelial cells and cardiomyocytes. Vitamin D deficiency has been observed widespread amongst heart failure (HF) patients,...
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Long-Term Outcomes in Patients Undergoing Percutaneous Coronary Intervention with or without Preprocedural Exercise Stress Test

Kim J, Lee JM, Park TK, Yang JH, Song YB, Choi JH, Choi SH, Gwon HC, Lee SH, Hahn JY

BACKGROUND: Although current guidelines recommend noninvasive stress tests prior to elective percutaneous coronary intervention (PCI), it is unknown whether antecedent exercise stress test (EST) affects the outcomes of patients undergoing...
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The Influence of Maximal Aerobic Capacity on the Two Years Cardiac Related Re-Hospitalization in Patients with Heart Failure with Reduced Ejection Fraction in Korean Society

Ryu HY, Hong DS, Kim TH

PURPOSE: This study examined the influence of the maximal aerobic capacity on the two-year cardiac-related re-hospitalization in patients with heart failure with a reduced ejection fraction (HFrEF) in Korean society. METHODS:...
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Characteristics and Safety of Cardiopulmonary Exercise Testing in Elderly Patients with Cardiovascular Diseases in Korea

Kim BJ, Kim Y, Oh J, Jang J, Kang SM

PURPOSE: Clinical use of cardiopulmonary exercise tests (CPETs) is increasing in elderly patients with cardiovascular (CV) diseases. However, data on Korean populations are limited. In this study, we aimed to...
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Heart rate recovery and diastolic blood pressure ratio on the treadmill test predict an induction and recurrence of vasovagal syncope

Choi YJ, Kang KW, Jang SH, Kim JG, Lee SJ, Jung KT

BACKGROUND/AIMS: The induction and recurrence of syncope is a concerning situation that could be unpredicted in the vasovagal syncope (VVS). We investigated a simple predictor for the induced and recurrent...
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Effect of Type D Personality on Short-Term Cardiac Rehabilitation in Patients With Coronary Artery Disease

Lee SJ, Koh S, Kim BO, Kim B, Kim C

OBJECTIVE: To investigate the effect of type D personality on cardiac rehabilitation (CR) participation rates and the effect of a short-term CR program. METHODS: Study participants included patients diagnosed with acute...
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The KAAACI Standardization Committee Report on the procedure and application of the bronchial provocation tests

Lim KH, Kim MH, Yang MS, Song WJ, Jung JW, Lee J, Suh DI, Shin YS, Kwon JW, Kim SH, Kim SH, Lee BJ, Cho SH, Korean Academy of Asthma, Allergy and Clinical Immunology Standardization Committee

Bronchial provocation tests are of value in the evaluation of airway hyperresponsiveness. Nonspecific bronchial challenge (methacholine, mannitol, exercise, etc.) is used when the symptoms, physical examination, and measurements of pulmonary...
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