Evaluation of Left Ventricular Longitudinal, Radial, and Circumferential Strains in Subjects with Normal Variations of Coronary Dominance: A Preliminary Comparative Study.

Background: The aim of this study was to evaluate the contractile function of the left ventricular muscles in subjects with normal coronary artery and normal variations of coronary dominance.

Methods: This study was performed on 90 adult subjects with normal results of coronary arteries angiography, echocardiography, and electrocardiography. The participants were categorized into 3 groups of 30 with right-dominant, left-dominant, and codominant variations.

Seroprevalence of Brucellosis among high risk individuals in Guilan, Iran.

Background: Brucellosis is a major public health problem in developing countries and has remained endemic in Iran. The aim of this study was to investigate the Seroprevalence of Brucellosis among high risk individuals in Guilan, Iran.

Methods: In a cross-sectional study, 478 blood samples from people living in rural areas (n = 292) and 186 slaughterhouse workers were screened by slide agglutination and microplate agglutination tests.