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Clinical Trial Summary

The purpose of this study is to investigate whether there are differential expressions of molecules in the kallikrein-kinin system (KKS) pathway in septic cardiomyopathy, and to analyze their regulatory mechanisms and gene expression changes.


Clinical Trial Description

This study is designed as a prospective, single-center, prospective case-control study. The research plan mainly aims to collect clinical data and blood samples from patients with septic cardiomyopathy and the control group within the next 3 years (October 2023 to October 2025). Diagnostic criteria are as follows: (1) Diagnosis of sepsis is based on the SEPSIS 3.0 criteria, which is defined as a rapid increase in SOFA score by ≥2 points after infection as a clinical criterion for sepsis-related organ dysfunction. (2) Diagnostic criteria for septic cardiomyopathy include: diagnosis of sepsis and elevation of cardiac markers [cardiac troponin I (cTnI) or BNP]; systolic dysfunction: echocardiography shows LVEF < 50%; diastolic dysfunction: Doppler ultrasound shows an E/A ratio (rapid filling phase/atrial contraction phase) ≤1 at the mitral valve; BNP > 200 pg/mL; left ventricular fractional shortening (FS) > 25%; normal or increased wall thickness, decreased left ventricular filling rate. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06080282
Study type Observational [Patient Registry]
Source Tongji Hospital
Contact QIN Zhang, phd
Phone 15717154768
Email qzhang8@tjh.tjmu.edu.cn
Status Recruiting
Phase
Start date October 15, 2023
Completion date October 14, 2025

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