Prevalence of anatomic variants in coronary arteries of Japanese Black cattle

被引：0

作者：

Ohashi, Yuki ^{[1
]}

Wakitani, Shoichi ^{[2
]}

Yasuda, Masahiro ^{[2
,3
]}

机构：

[1] Univ Miyazaki, Grad Sch Med & Vet Med, Miyazaki, Japan

[2] Univ Miyazaki, Fac Agr, Dept Vet Anat, Miyazaki, Japan

[3] Univ Miyazaki, Fac Agr, Lab Vet Anat, Gakuen-kibanadai-nishi-1-1, Miyazaki 8892192, Japan

来源：

JOURNAL OF VETERINARY MEDICAL SCIENCE | 2023年 / 85卷 / 02期

关键词：

anatomical variant; coronary artery; coronary artery anomaly; Japanese Black cattle; ANOMALOUS ORIGIN; SINOATRIAL NODE; SUDDEN-DEATH; SINUS; DOMINANCE; PIGS; POPULATION; HEART; VALSALVA; HUMANS;

D O I：

10.1292/jvms.22-0369

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

Coronary artery anomalies that can cause sudden cardiac death have been described in some mammals. However, few studies have investigated coronary anomalies and coronary artery branching patterns in cattle. Therefore, understanding of bovine coronary arteries is incomplete. The aim of this study was to clarify anatomic variants in coronary arteries of Japanese Black cattle. The gross anatomy of the coronary arteries was examined in the hearts of 100 cattle. A total of 14 of 100 hearts exhibited confirmed coronary anomalies in the left main trunk. These 14 hearts were classified into 5 types potentially associated with cardiac ischemia. Regarding the coronary branches, the subsinuosal interventricular branch originated from the left circumflex branch (LCX) in 98 hearts and from the right coronary artery in 2 hearts. The origin of the sinoatrial nodal branch was classified into 3 types. In 99 hearts, the atrioventricular nodal branch originated from the LCX at the heart crux. This study characterized the prevalence of coronary anomalies, branching patterns of coronary arteries, and coronary artery anatomic variants in Japanese Black cattle.

引用

页码：135 / 142

页数：8

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