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Automatic Echocardiographic Evaluation of the Probability of Pulmonary Hypertension Using Machine Learning by Zuwei Liao; Kaikai Liu; Shangwei Ding; Qinhua Zhao; Yong Jiang; Lan Wang; Taoran Huang; LiFang Yang; Dongling Luo; Erlei Zhang; Yu Zhang; Caojin Zhang; Xiaowei Xu; Hongwen Fei is a Medicine article available to read on EtoBox.

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## Abstract Echocardiography, a simple and noninvasive tool, is the first choice for screening pulmonary hypertension (PH). However, accurate assessment of PH, incorporating both the pulmonary artery pressures and additional signs for PH remained unsatisfied. Thus, this study aimed to develop a machine learning (ML) model that can automatically evaluate the probability of PH. This cohort included data from 346 (275 for training set and internal validation set and 71 for external validation set) patients with suspected PH patients and receiving right heart catheterization. Echocardiographic images on parasternal short axis‐papillary muscle level (PSAX‐PML) view from all patients were collected, labeled, and preprocessed. Local features from each image were extracted and subsequently integrated to build a ML model. By adjusting the parameters of the model, the model with the best prediction effect is finally constructed. We used receiver‐operating characteristic analysis to evaluate model performance and compared the ML model with the traditional methods. The accuracy of the ML model for diagnosis of PH was significantly higher than the traditional method (0.945 vs. 0.892, __p__ = 0.

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Author

Zuwei Liao; Kaikai Liu; Shangwei Ding; Qinhua Zhao; Yong Jiang; Lan Wang; Taoran Huang; LiFang Yang; Dongling Luo; Erlei Zhang; Yu Zhang; Caojin Zhang; Xiaowei Xu; Hongwen Fei

Publisher

Wiley

Published

2023

Field

Medicine (Health Sciences)