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Clinical Trial Summary

This single-center, prospective, open-label, randomized, controlled clinical trial is designed to assess the efficacy and safety of the Thoracoscopic Morrow procedure in the treatment of hypertrophic obstructive cardiomyopathy. The primary objectives include investigating: Question 1: The efficacy and safety of two surgical modalities in patients presenting with left ventricular outflow tract obstruction and mid-left ventricular hypertrophy. Question 2: The impact of the two surgical procedures on hemodynamics in patients with left ventricular outflow tract obstruction, mid-left ventricular obstruction, and in individuals with or without organic valvular lesions. Question 3: The effects of the two surgical procedures on exercise capacity, quality of life, and long-term prognosis among patients with left ventricular outflow tract obstruction and central left ventricular obstruction, both with and without valvular lesions. Participants will be stratified into two groups. The experimental group will undergo thoracoscopic Morrow surgery, while the control group will undergo median open modified enlarged Morrow surgery.


Clinical Trial Description

This study is a single-center, prospective, open-label, randomized, controlled trial designed to investigate the therapeutic value of thoracoscopic Morrow procedure in patients with hypertrophic obstructive cardiomyopathy (HOCM). The study focuses on HOCM patients, with the modified extended Morrow procedure via median sternotomy considered as the 'gold standard treatment' in the control group. The objective is to explore the efficacy of the thoracoscopic Morrow procedure in improving exercise tolerance in HOCM patients, assess the short-term and long-term effectiveness, safety, as well as changes in cardiac function, cardiac structure, and myocardial fibrosis levels associated with thoracoscopic Morrow procedure in treating obstructive HOCM. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06391788
Study type Interventional
Source China National Center for Cardiovascular Diseases
Contact Xin Wang
Phone 13901036490
Email fuwaiwangxin@188.com
Status Recruiting
Phase N/A
Start date March 31, 2023
Completion date March 31, 2025

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