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Intelligent Algorithm-Based Echocardiography to Evaluate the Effect of Lung Protective Ventilation Strategy on Cardiac Function and Hemodynamics in Patients Undergoing Laparoscopic Surgery
Comput Math Methods Med. 2022 Jun 30;2022:9349027. doi: 10.1155/2022/9349027. eCollection 2022.ABSTRACTThe aim of this study was to analyze the effect of optimal pulmonary compliance titration of PEEP regimen on cardiac function and hemodynamics in patients undergoing laparoscopic surgery. 120 patients undergoing elective laparoscopic radical resection of colorectal cancer were included as the study subjects and randomly divided into the experimental group (n = 60) and the control group (n = 60). The control group had a fixed positive end-expiratory pressure (PEEP) = 5 cmH2O. The experimental group had transesophageal ultr...
Source: Computational and Mathematical Methods in Medicine - July 11, 2022 Category: Statistics Authors: Huijuan Wang Chao Gong Yi Zhang Yun Wang Xiaoli Wang Xiao Zhao Lianhua Chen Shitong Li Source Type: research

Diagnosis of Atherosclerotic Plaques Using Vascular Endothelial Growth Factor Receptor-2 Targeting Antibody Nano-microbubble as Ultrasound Contrast Agent
This study constructed vascular endothelial growth factor receptor-2 (VEGFR-2) targeting antibody nano-microbubbles and compared its diagnostic value with that of blank nano-microbubbles for atherosclerotic plaques. Studies have found that VEGFR-2 targeting antibody nano-microbubbles can accurately detect the position of plaques. Its detection rate, sensitivity, and specificity for plaques are higher than those of blank nano-microbubbles. Similarly, the peak intensity and average transit time of VEGFR-2 targeting antibody nano-microbubbles were greater than those of blank nano-microbubbles. Therefore, we believe that the c...
Source: Computational and Mathematical Methods in Medicine - May 16, 2022 Category: Statistics Authors: Yi Wang Yujin Feng Xiaoyun Yang Wengang Wang Yueheng Wang Source Type: research

Object-Specific Four-Path Network for Stroke Risk Stratification of Carotid Arteries in Ultrasound Images
In this study, we propose an object-specific four-path network (OSFP-Net) for stroke risk assessment by integrating ultrasound carotid plaques in both transverse and longitudinal sections of the bilateral carotid arteries. Each path of the OSFP-Net comprises of a feature extraction subnetwork (FE) and a feature downsampling subnetwork (FD). The FEs in the four paths use the same network structure to automatically extract features from ultrasound images of carotid plaques. The FDs use different object-specific pooling strategies for feature downsampling based on the observation that the sizes and shapes in the feature maps ...
Source: Computational and Mathematical Methods in Medicine - May 5, 2022 Category: Statistics Authors: Wei Ma Yujiao Xia Xiaoyan Wu Zheng Yue Xinyao Cheng Aaron Fenster Mingyue Ding Source Type: research

E-Health Ultrasonic Diagnostic Monitoring for Analysis of Cardiac Insufficiency and Neuronal Regulation in Patients with Sepsis in Emergency Department under Image Reconstruction Algorithm
Comput Math Methods Med. 2022 Jan 6;2022:9415694. doi: 10.1155/2022/9415694. eCollection 2022.ABSTRACTAn anisotropic diffusion filtering- (ADF-) ultrasound (ADF-U) for ultrasound reconstruction was constructed based on the ADF to explore the diagnostic application of ultrasound imaging based on electronic health (E-health) for cardiac insufficiency and neuronal regulation in patients with sepsis. The 144 patients with sepsis were divided into an experimental group (78 patients with cardiac insufficiency) and a control group (66 patients with normal cardiac function), and another 58 healthy people were included in a blank c...
Source: Computational and Mathematical Methods in Medicine - January 17, 2022 Category: Statistics Authors: Zhonghua Fang Mao Zhang Source Type: research

Multilevel Strip Pooling-Based Convolutional Neural Network for the Classification of Carotid Plaque Echogenicity
In this study, we redesign the spatial pyramid pooling (SPP) and propose multilevel strip pooling (MSP) for the automatic and accurate classification of carotid plaque echogenicity in the longitudinal section. The proposed MSP module can accept arbitrarily sized carotid plaques as input and capture a long-range informative context to improve the accuracy of classification. In our experiments, we implement an MSP-based CNN by using the visual geometry group (VGG) network as the backbone. A total of 1463 carotid plaques (335 echo-rich plaques, 405 intermediate plaques, and 723 echolucent plaques) were collected from Zhongnan...
Source: Computational and Mathematical Methods in Medicine - August 30, 2021 Category: Statistics Authors: Wei Ma Xinyao Cheng Xiangyang Xu Furong Wang Ran Zhou Aaron Fenster Mingyue Ding Source Type: research