alexa Regional Differences in the Diameter of Coronary Sinus among Black Kenyans | OMICS International | Abstract
ISSN: 2161-0940

Anatomy & Physiology: Current Research
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Research Article

Regional Differences in the Diameter of Coronary Sinus among Black Kenyans

Ominde BS*, Odula P, Olab BO and Ogeng’o JA

Department of Human Anatomy, University of Nairobi, Nairobi, Kenya

*Corresponding Author:
Beryl S. Ominde
Department of Human Anatomy
University of Nairobi, P.O Box 30197
00100, Nairobi, Kenya
Tel: 254714482173
E-mail: [email protected]

Received date: March 24, 2014; Accepted date: May 20, 2014; Published date: May 22, 2014

Citation: Ominde BS, Odula P, Olab BO, Ogeng’o JA (2014) Regional Differences in the Diameter of Coronary Sinus among Black Kenyans. Anat Physiol 4:141. doi:10.4172/2161-0940.1000141

Copyright: © 2014 Ominde BS, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Background: Dimensions of the coronary sinus are important in the design of cannulation devices used in cardiac resynchronization therapy and percutaneous mitral valve annuloplasty. Gender and population variations may account for the failure rate of these procedures. Cardiac conditions requiring these procedures are common in black African populations. There are, however, hardly any studies on the regions of coronary sinus in these populations.
Objective: To describe the regional diameters of coronary sinus among black Kenyans.
Study design: Descriptive cross-sectional study.
Materials and Methods: Coronary sinuses of 74 cadaveric hearts from black adult Kenyans (43 males and 31 females) were examined at Department of Human Anatomy, University of Nairobi, Kenya. Samples were classified into male and female and weighed. The coronary sinus was identified and cleaned to expose its entire extent. The length was divided into 3 segments; proximal, middle and distal. The circumference at the middle of each segment was obtained by measuring using a nylon string. This was divided by pie (3.14) to obtain the regional diameters. Data was analyzed using SPSS version 17. Sex comparison was established using student’s t test and Pearson’s correlation test was used to determine association between the diameters and heart weight. These were considered significant at a p-value of ≤0.05. Data were presented using scatter plots and tables.
Results: The diameters at proximal, middle and distal segments were 8.67 ± 0.52 mm, 6.93 ± 0.77 mm and 5.83 ± 0.80 mm respectively. These correlated positively with weight of the heart. Females had significantly larger diameters.
Conclusion: Diameters of coronary sinus show regional differences. They decrease distally, are larger in females and show positive correlation with weight of the heart. These features should be considered during design of and insertion of cardiac devices through the coronary sinus

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