Left Ventricular Mass Index Predicts Clinical Outcomes in Patients with Obstructive Hypertrophic Cardiomyopathy Undergoing Septal Myectomy

NCT ID: NCT06609382

Last Updated: 2024-09-24

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

490 participants

Study Classification

OBSERVATIONAL

Study Start Date

2011-06-01

Study Completion Date

2020-12-31

Brief Summary

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In this study, we aimed to analyze the association between left ventricular mass index and clinical outcomes to provide the potential indicator for worse survival.

Detailed Description

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This retrospective study aimed to determine the prognostic value of left ventricular mass index in predicting clinical outcomes, including all-cause death, new-onset or recurrent atrial fibrillation, and a composite endpoint of all-cause death, heart failure,permanent pacemaker implantation, new-onset or recurrent atrial fibrillation, and stroke.

Conditions

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Obstructive Hypertrophic Cardiomyopathy (oHCM)

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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Obstructive hypertrophic cardiomyopathy who underwent septal myectomy

Patients who had at least one cardiac magnetic resonance examination before surgery.

Patients had a higher left ventricular mass index or not (the exact value is determined by the cut-off value for the clinical outcomes)

Intervention Type OTHER

Patients were grouped by the cutoff value of left ventricular mass index (LVMI) for all cause death, and the Maximally Selected Rank Statistics method was used to determine the optimal cutoff point of LVMI for death.

Interventions

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Patients had a higher left ventricular mass index or not (the exact value is determined by the cut-off value for the clinical outcomes)

Patients were grouped by the cutoff value of left ventricular mass index (LVMI) for all cause death, and the Maximally Selected Rank Statistics method was used to determine the optimal cutoff point of LVMI for death.

Intervention Type OTHER

Eligibility Criteria

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Exclusion Criteria

* (1) Combined right ventricular outflow tract obstruction requiring right ventricular outflow tract dissection. (2) Combined mitral or aortic valve organic lesions requiring valve replacement surgery. (3) Apical ventricular aneurysm formation requiring ventriculotomy. (4) Previous septal reduction therapy, including alcohol ablation or septal myectomy. (5) patients did not undergo cardiac magnetic resonance examination.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Changrong Nie

OTHER

Sponsor Role lead

Responsible Party

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Changrong Nie

MD

Responsibility Role SPONSOR_INVESTIGATOR

Locations

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Fuwai hospital

Beijing, Beijing Municipality, China

Site Status

Countries

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China

Other Identifiers

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2022-GSP-GG-29

Identifier Type: OTHER_GRANT

Identifier Source: secondary_id

2020-1315

Identifier Type: -

Identifier Source: org_study_id

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