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Cardiac contractile reserve parameters are related to prognosis in septic shock.


ABSTRACT:

Introduction

Cardiac reserve could be defined as the spontaneous magnitude from basal to maximal cardiac power under stress conditions. The aim of this study was to evaluate the prognostic value of cardiac reserve parameters in resuscitated septic shock patients.

Methods

Seventy patients with septic shock were included in a prospective and observational study. Prior to inclusion, patients were resuscitated to reach a mean arterial pressure of 65-75?mmHg with an euvolemic status. General, hemodynamic, and cardiac reserve-related parameters (cardiac index, double product, and cardiac power index) were collected at inclusion and at day 1.

Results

Seventy patients were included with 28-day mortality at 38.5%. Ten of the 70 patients died during the first day. In multivariate analysis, independent predictors of death were SAPS II ? 58 (OR: 3.36 [1.11-10.17]; P = 0.032), a high double product at inclusion (OR [95% IC]: 1.20 [1.00-1.45] per 10(3)?mmHg · min; P = 0.047), and at day 1, a decrease in cardiac index (1.30 [1.08-1.56] per 0.5 L/min/m(2); P = 0.007) or cardiac power index (1.84 [1.18-2.87] per 0.1 W/m(2), P = 0.008).

Conclusion

In the first 24?hours, parameters related to cardiac reserve, such as double product and cardiac index evolution, provide crucial and easy to achieve hemodynamic physiological information, which may impact the outcome.

SUBMITTER: Kimmoun A 

PROVIDER: S-EPMC3730160 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Publications

Cardiac contractile reserve parameters are related to prognosis in septic shock.

Kimmoun Antoine A   Ducrocq Nicolas N   Mory Sébastien S   Delfosse Remi R   Muller Laura L   Perez Pierre P   Fay Renaud R   Levy Bruno B  

BioMed research international 20130717


<h4>Introduction</h4>Cardiac reserve could be defined as the spontaneous magnitude from basal to maximal cardiac power under stress conditions. The aim of this study was to evaluate the prognostic value of cardiac reserve parameters in resuscitated septic shock patients.<h4>Methods</h4>Seventy patients with septic shock were included in a prospective and observational study. Prior to inclusion, patients were resuscitated to reach a mean arterial pressure of 65-75 mmHg with an euvolemic status. G  ...[more]

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