A. Dufourni, M. Demeyere, L. Vera, G. van Loon, A. Decloedt
{"title":"主动脉瓣反流马主动脉和颈动脉血流的频谱多普勒","authors":"A. Dufourni, M. Demeyere, L. Vera, G. van Loon, A. Decloedt","doi":"10.1016/j.jvc.2025.01.004","DOIUrl":null,"url":null,"abstract":"<div><h3>Objectives</h3><div>This study aimed to compare two-dimensional, M-mode, color, pulsed wave Doppler (PWD) and continuous wave Doppler (CWD) echocardiography, and PWD ultrasonography of the caudal common carotid artery (CCA) in horses with aortic regurgitation (AR).</div></div><div><h3>Animals</h3><div>Warmblood horses without (n = 20) and with mild, moderate, and severe AR (n = 60) were included in the study.</div></div><div><h3>Materials and methods</h3><div>A retrospective descriptive study focused on cardiac dimensions, aortic and CCA Doppler flow. Non-invasive blood pressure and presence of ventricular arrhythmia were recorded. Groups were compared using analysis of variance, chi-square, Spearman's rho, and Kruskal-Wallis tests.</div></div><div><h3>Results</h3><div>Maximal aortic antegrade flow velocity was higher in horses with moderate and severe AR than in normal horses and higher in those with severe AR than in those with mild AR (P < 0.001). Mean (standard deviation) antegrade CCA flow velocities (m/s) were 0.9 (0.3) in normal horses and 1.0 (0.2), 1.2 (0.3), and 1.5 (0.4) in horses with mild, moderate, and severe AR, respectively. Retrograde mid-to-end diastolic pulsed wave Doppler ultrasonography of the common carotid artery (PWD-CCA) flow occurred in horses with moderate (6/20) and severe (13/20) AR. The presence of pathologic retrograde PWD-CCA flow was associated with presence of increased left ventricular dimensions and pulse pressures >60 mmHg. The CWD regurgitant jet pressure half-time failed to differentiate between AR severity grades.</div></div><div><h3>Study Limitations</h3><div>The limitations of this study included retrospective design with missing values, AR classification system not validated by longitudinal follow-up, and CCA retrograde velocities <10 cm/s not measured.</div></div><div><h3>Conclusions</h3><div>Pulsed wave Doppler ultrasonography of the common carotid artery identifies moderate and severe AR in horses with hemodynamic overload. Presence of retrograde PWD-CCA flow was associated with moderate and severe AR and with left ventricular dilation. Quantification of CWD pressure half-time appeared unreliable for AR severity assessment.</div></div>","PeriodicalId":48788,"journal":{"name":"Journal of Veterinary Cardiology","volume":"58 ","pages":"Pages 55-67"},"PeriodicalIF":1.3000,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Spectral Doppler of aortic and carotid blood flow in horses with aortic valve regurgitation\",\"authors\":\"A. Dufourni, M. Demeyere, L. Vera, G. van Loon, A. Decloedt\",\"doi\":\"10.1016/j.jvc.2025.01.004\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>Objectives</h3><div>This study aimed to compare two-dimensional, M-mode, color, pulsed wave Doppler (PWD) and continuous wave Doppler (CWD) echocardiography, and PWD ultrasonography of the caudal common carotid artery (CCA) in horses with aortic regurgitation (AR).</div></div><div><h3>Animals</h3><div>Warmblood horses without (n = 20) and with mild, moderate, and severe AR (n = 60) were included in the study.</div></div><div><h3>Materials and methods</h3><div>A retrospective descriptive study focused on cardiac dimensions, aortic and CCA Doppler flow. Non-invasive blood pressure and presence of ventricular arrhythmia were recorded. Groups were compared using analysis of variance, chi-square, Spearman's rho, and Kruskal-Wallis tests.</div></div><div><h3>Results</h3><div>Maximal aortic antegrade flow velocity was higher in horses with moderate and severe AR than in normal horses and higher in those with severe AR than in those with mild AR (P < 0.001). Mean (standard deviation) antegrade CCA flow velocities (m/s) were 0.9 (0.3) in normal horses and 1.0 (0.2), 1.2 (0.3), and 1.5 (0.4) in horses with mild, moderate, and severe AR, respectively. Retrograde mid-to-end diastolic pulsed wave Doppler ultrasonography of the common carotid artery (PWD-CCA) flow occurred in horses with moderate (6/20) and severe (13/20) AR. The presence of pathologic retrograde PWD-CCA flow was associated with presence of increased left ventricular dimensions and pulse pressures >60 mmHg. The CWD regurgitant jet pressure half-time failed to differentiate between AR severity grades.</div></div><div><h3>Study Limitations</h3><div>The limitations of this study included retrospective design with missing values, AR classification system not validated by longitudinal follow-up, and CCA retrograde velocities <10 cm/s not measured.</div></div><div><h3>Conclusions</h3><div>Pulsed wave Doppler ultrasonography of the common carotid artery identifies moderate and severe AR in horses with hemodynamic overload. Presence of retrograde PWD-CCA flow was associated with moderate and severe AR and with left ventricular dilation. Quantification of CWD pressure half-time appeared unreliable for AR severity assessment.</div></div>\",\"PeriodicalId\":48788,\"journal\":{\"name\":\"Journal of Veterinary Cardiology\",\"volume\":\"58 \",\"pages\":\"Pages 55-67\"},\"PeriodicalIF\":1.3000,\"publicationDate\":\"2025-01-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Veterinary Cardiology\",\"FirstCategoryId\":\"97\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1760273425000116\",\"RegionNum\":2,\"RegionCategory\":\"农林科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"VETERINARY SCIENCES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Veterinary Cardiology","FirstCategoryId":"97","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1760273425000116","RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"VETERINARY SCIENCES","Score":null,"Total":0}
Spectral Doppler of aortic and carotid blood flow in horses with aortic valve regurgitation
Objectives
This study aimed to compare two-dimensional, M-mode, color, pulsed wave Doppler (PWD) and continuous wave Doppler (CWD) echocardiography, and PWD ultrasonography of the caudal common carotid artery (CCA) in horses with aortic regurgitation (AR).
Animals
Warmblood horses without (n = 20) and with mild, moderate, and severe AR (n = 60) were included in the study.
Materials and methods
A retrospective descriptive study focused on cardiac dimensions, aortic and CCA Doppler flow. Non-invasive blood pressure and presence of ventricular arrhythmia were recorded. Groups were compared using analysis of variance, chi-square, Spearman's rho, and Kruskal-Wallis tests.
Results
Maximal aortic antegrade flow velocity was higher in horses with moderate and severe AR than in normal horses and higher in those with severe AR than in those with mild AR (P < 0.001). Mean (standard deviation) antegrade CCA flow velocities (m/s) were 0.9 (0.3) in normal horses and 1.0 (0.2), 1.2 (0.3), and 1.5 (0.4) in horses with mild, moderate, and severe AR, respectively. Retrograde mid-to-end diastolic pulsed wave Doppler ultrasonography of the common carotid artery (PWD-CCA) flow occurred in horses with moderate (6/20) and severe (13/20) AR. The presence of pathologic retrograde PWD-CCA flow was associated with presence of increased left ventricular dimensions and pulse pressures >60 mmHg. The CWD regurgitant jet pressure half-time failed to differentiate between AR severity grades.
Study Limitations
The limitations of this study included retrospective design with missing values, AR classification system not validated by longitudinal follow-up, and CCA retrograde velocities <10 cm/s not measured.
Conclusions
Pulsed wave Doppler ultrasonography of the common carotid artery identifies moderate and severe AR in horses with hemodynamic overload. Presence of retrograde PWD-CCA flow was associated with moderate and severe AR and with left ventricular dilation. Quantification of CWD pressure half-time appeared unreliable for AR severity assessment.
期刊介绍:
The mission of the Journal of Veterinary Cardiology is to publish peer-reviewed reports of the highest quality that promote greater understanding of cardiovascular disease, and enhance the health and well being of animals and humans. The Journal of Veterinary Cardiology publishes original contributions involving research and clinical practice that include prospective and retrospective studies, clinical trials, epidemiology, observational studies, and advances in applied and basic research.
The Journal invites submission of original manuscripts. Specific content areas of interest include heart failure, arrhythmias, congenital heart disease, cardiovascular medicine, surgery, hypertension, health outcomes research, diagnostic imaging, interventional techniques, genetics, molecular cardiology, and cardiovascular pathology, pharmacology, and toxicology.