A Nomogram to Predict the Risk of Low Cardiac Output Syndrome after Heart Valve Replacement in Cardiac Valvular Disease Patients

Qiushan Qing; Xin Wei; Hong Zheng; Zhi Wen; Xiaokang Sun; Junrong Yang; Peirui Chen

doi:10.26855/ijcemr.2023.04.029

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International Journal of Clinical and Experimental Medicine Research

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ArticleOpen Access http://dx.doi.org/10.26855/ijcemr.2023.04.029

A Nomogram to Predict the Risk of Low Cardiac Output Syndrome after Heart Valve Replacement in Cardiac Valvular Disease Patients

Qiushan Qing^1,#, Xin Wei^1,#, Hong Zheng¹, Zhi Wen², Xiaokang Sun², Junrong Yang², Peirui Chen^2,*

¹Department of Ultrasonography, People's Hospital of Deyang, Deyang, Sichuan, China.

²Department of Cardiothoracic Surgery, People's Hospital of Deyang, Deyang, Sichuan, China.

^#Both authors contributed equally to this manuscript.

*Corresponding author: Peirui Chen

Published: June 6,2023

Abstract

Background and Aim: Low cardiac output syndrome (LCOS) is a serious postoperative complication, affecting the prognosis of patients underwent heart valve replacement (HVR). We aim to create a nomogram to predict LCOS after HVR in cardiac valvular disease patients. Methods: We performed a retrospective review of 500 cardiac valvular disease patients underwent HVR from 2016 to 2020 in our department. Univariate analysis evaluated the associations between clinical/echocardiographic parameters and LCOS. Independent t‐test or Mann–Whitney U‐test: for continuous variables. Fisher's exact test or χ² test: for categorical variables. Variables with a P < 0.05 in the univariate analysis were entered into least absolute shrinkage and selection operator (LASSO) regression to select factors. Then, multivariable logistic regression was performed to develop the predictive model and a nomogram. Results: Of 500 patients, 92 developed postoperative LCOS (18.4%). The nomogram included the following variables: body mass index (BMI), left ventricular ejection fraction (LVEF) and global longitudinal strain (GLS). The nomogram showed favorable calibration and favorite performance for LCOS detection with C-index 0.826 in the development group and 0.783 in validation group. Conclusions: We created a nomogram of predicting postoperative LCOS in cardiac valvular disease patients received HVR. This nomogram could be an important tool of LCOS risk prediction after HVR to guide the therapeutic strategy in cardiac valvular disease patients.

Keywords

Nomogram, low cardiac output syndrome, heart valve replacement

References

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How to cite this paper

A Nomogram to Predict the Risk of Low Cardiac Output Syndrome after Heart Valve Replacement in Cardiac Valvular Disease Patients

How to cite this paper: Qiushan Qing, Xin Wei, Hong Zheng, Zhi Wen, Xiaokang Sun, Junrong Yang, Peirui Chen. (2023) A Nomogram to Predict the Risk of Low Cardiac Output Syndrome after Heart Valve Replacement in Cardiac Valvular Disease Patients. International Journal of Clinical and Experimental Medicine Research, 7(2), 255-259.

DOI: http://dx.doi.org/10.26855/ijcemr.2023.04.029

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A Nomogram to Predict the Risk of Low Cardiac Output Syndrome after Heart Valve Replacement in Cardiac Valvular Disease Patients

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