Cycle ergometer exercise catheterization for the early diagnosis of heart failure with preserved ejection fraction or pulmonary hypertensio

Phase 1

Recruiting

• Conditions: Heart failure with preserved ejection fraction or pulmonary hypertension

• Registration Number: JPRN-jRCTs032200121
• Lead Sponsor: Obokata Masaru

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2020-09-16
• Last Update Posted: 2023-10-17

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 110

Inclusion Criteria

1) Age equal to or more than 20 years old
2) Left ventricular ejection fraction on echocardiography equal or more than 50%
3) Subjects who are suspected of heart failure of pulmonary hypertension
4) Subjects who will undergo diagnostic right heart catheterization for evaluation of heart failure or pulmonary hypertension
5) Subjects who are able to keep cycle ergometry exercise for more than 30 seconds
6) Patients who give written consent to participate in this study

Exclusion Criteria

1) Patients with apparent heart failure or pulmonary hypertension on non-invasive testings
2) Patients with complications contraindicated for exercise testing
3) Patients who cannot exercise their legs due to abnormalities in joints, muscles, etc.
4) Patients who are judged to be unsuitable for the study by the investigators

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Pulmonary capillary wedge pressure/pulmonary pressure during exercise