Simplified Assessment of Left Ventricular Systolic Function in Septic Shock Patients

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

UNKNOWN

Total Enrollment

60 participants

Study Classification

OBSERVATIONAL

Study Start Date

2021-08-01

Study Completion Date

2023-11-30

Brief Summary

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The assessment of left ventricular systolic function is based on the measurement of left ventricular ejection function (LVEF) by the Simpson biplane method. More recently, left ventricular global longitudinal strain (GLS) has been developed to detect abnormalities of cardiac contractility in patients with preserved myocardial contractility. However, both tools are not always easy to collect in practice. This is why other ultrasound parameters have been proposed in the literature as a substitute for LVEF and GLS such as the Doppler tissue imaging (DTI)-derived mitral annular systolic peak S-wave velocity (S'), the mitral annular plane systolic excursion (MAPSE) and the longitudinal wall fractional shortening index (LWFS).

The purpose of this project is to propose an algorithm using simple parameters (S' wave, lateral MAPSE, septal MAPSE, mean MAPSE and LWFS) to predict LVEF and GLS in order to diagnose patients with impaired systolic function and preserved ejection.

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Detailed Description

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Conditions

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Left Ventricular Systolic Dysfunction Septic Shock

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

RETROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Patients hospitalized in the Medical Intensive Care Department of the Amiens-Picardie University Hospital for the management of septic shock.
* Septic shock is defined by sepsis with a need for vasopressor amines to maintain a mean arterial pressure higher than or equal to 65 mmHg, and associated with hyperlactatemia (higher than 2 mmol/L).
* A transthoracic echocardiography should be performed within 72 hours of the diagnosis of septic shock.

Exclusion Criteria

* Patient with cardiac arrhythmias,
* patients with severe mitral or aortic valve disease,
* patients with fused mitral Doppler flow,
* patients with insufficient echogenicity to allow a correct assessment of left ventricular systolic function.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No