Preprint Article Version 1 This version is not peer-reviewed

Exploring the Aortic Root Diameter and left Ventricle Size Among Lithuanian Athletes

Version 1 : Received: 18 September 2018 / Approved: 18 September 2018 / Online: 18 September 2018 (14:40:43 CEST)

How to cite: Žumbakytė-Šermukšnienė, R.; Slapšinskaitė, A.; Baranauskaitė, M.; Borkytė, J.; Sederevičiūtė, R.; Berškienė, K. Exploring the Aortic Root Diameter and left Ventricle Size Among Lithuanian Athletes. Preprints 2018, 2018090357 (doi: 10.20944/preprints201809.0357.v1). Žumbakytė-Šermukšnienė, R.; Slapšinskaitė, A.; Baranauskaitė, M.; Borkytė, J.; Sederevičiūtė, R.; Berškienė, K. Exploring the Aortic Root Diameter and left Ventricle Size Among Lithuanian Athletes. Preprints 2018, 2018090357 (doi: 10.20944/preprints201809.0357.v1).

Abstract

Aortic rupture is known as one of the potential causes of sudden cardiac death in athletes. Nevertheless, adaptation strategies for aortic root dilation in athletes vary. The purpose of this study was to investigate aortic root adaptation to physical workload and to determine if aortic root’s and left ventricle sizes are contingent upon the physical workload. Echocardiography was applied to 151 subjects to measure the aortic root at aortic valve annulus (AA) and at sinus of Valsalva (VS). 122 were athletes (41 females and 81 males) and 29 were non-athletes (14 females and 15 males). Of the 41 female athletes, 32 were endurance athletes, and 9 strength athletes. From 81 male athletes, 56 were endurance athletes, and 25 were strength athletes. AA and VS mean values for the body surface area were presented as rAA and rVS. Left ventricle (LV) meaures incuded LV end-diastolic diameter (LVEDD), interventricular septum thickness in diastole (IVSTd), LV posterior wall thickness in diastole (LVPWTd), LV mass (LVM), LV mass index, LV end-diastolic diameter index (LVEDDI). Results indicated that VS was higher in female athletes (28.9±2.36mm) than in non-athletes (27.19±2.87mm, p=0.03). On the other hand, rAA was higher in strength athletes (12.19±1.48mm/m2) than in endurance athletes (11.12±0.99mm/m2, p=0.04). Additionally, rVS and rAA were higher in female strength athletes (17.19±1.78mm/m2, 12.19±1.48mm/m2) than female basketball players (15.49±1.08mm/m2, p=0.03, 10.75±1.06 mm/m2, p=0.02). Statistically significant positive moderate correlations were found between VS and LVEDD, LVM, IVSTd, LVPWTd, rVS and LVEDDI parameters in all athletes. The diameter of Valsalva sinus was greater in female athletes compared to non-athletes. The rAA mean value for body surface area was greater in female athletes practising strength sports as compared to their counterparts who were practising endurance sports. The diameter of the aortic root at sinuses positively correlated with the LV size in all athletes. Trial was registered at ClinicalTrials.gov Identifier: NCT03656861, September 3, 2018 (retrospectively registered).

Subject Areas

Performance, Sports, Aortic Valve, Sinus of Valsalva, Echocardiography, Sudden cardiac death

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