Atherosclerosis is a systematic disease affecting all arteries and is the most common cause of mortality. Our aim was to evaluate the predictive value of the presence of uterine arcuate artery calcification (AAC) for coronary heart disease (CHD) in women. Seventy women presenting with angina pectoris or a finding suggestive of cardiac ischaemia in non-invasive tests, scheduled for angiography between June 2014 and July 2015 were recruited in the study. One day before the coroner artery angiography, all of the patients were examined about the presence of AAC by transvaginal ultrasonography and were classified in the presence of CHD. CHD is classified as obstructive (obstruction >70%) or as non-obstructive (obstruction <70%) according to the severity of stenosis. The association of AAC is evaluated with the presence and severity of CHD that's diagnosed by angiography. CHD was present in 87.2% of women with positive for AAC and in 4.3% of who were negative for AAC (p = .001). AAC positive women were more likely to develop obstructive CHD than non-obstructive CHD (66.6% versus 30.9%, p = .001), respectively. Sensitivity and specificity of AAC for CHD were 97.6% and 78.5%, respectively. AAC detected by transvaginal ultrasound seems to have a strong association with both presences of CHD and the severity of disease. Impact statement What is already known on this subject? Atherosclerosis affecting all arteries is the primary cause of mortality and morbidity of coronary heart disease (CHD) (Lim et al. 2011). Uterine artery calcification and its association with atherosclerosis were first reported by Camiel et al. (1967). Ozdemir et al. (2016) found a correlation between carotid artery intima thickness and the presence of uterine arcuate artery calcification (AAC). What do the results of this study add? Very few studies have been performed in this area investigating the relationship of AAC and non-invasive predictors of atherosclerosis or the relationship between arterial calcifications and cardiovascular or systemic disease. Our study is the first to evaluate the correlation between AAC and CHD confirmed using coronary artery angiography at a high sensitivity rate (97.6%). What are the implications of these findings for clinical practice and/or further research? Our study presents an alternative, easy and non-invasive method for the prediction of subclinical CHD in clinical practice. From the view of a gynaecologist, cardiology consultation of patients with AAC detected by transvaginal ultrasonography during the routine gynaecologic examination may be useful and protective against serious cardiac problems. Thus, this study is of great importance in terms of predicting when the majority of CHD patients are asymptomatic or in the subclinical phase.
Keywords: Arcuate artery calcification; atherosclerosis; coronary heart disease; transvaginal ultrasound.