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Persistent left superior vena cava causing change in cardiac chamber size: anatomical and hemodynamic changes

   
@article{QIMS154982,
	author = {Tian-Gang Li and Chuan-Min Wei and Hai-Long Zhang and Qing-Ya Yang},
	title = {Persistent left superior vena cava causing change in cardiac chamber size: anatomical and hemodynamic changes},
	journal = {Quantitative Imaging in Medicine and Surgery},
	volume = {16},
	number = {7},
	year = {2026},
	keywords = {},
	abstract = {Background: Persistent left superior vena cava (PLSVC) is one of the most common abnormalities of the fetus during pregnancy. The aim of this study was to assess the utility of two-dimensional (2D) ultrasonography in evaluating fetal cardiac chamber sizes and major artery diameters for comparing isolated PLSVC with normal fetuses.Methods: We retrospectively analyzed 166 cases of isolated PLSVC and 166 normal fetuses, measuring heart chamber and major artery diameters. The thoracic transverse diameter (TTD), ventricle sinistrum (VS), ventriculus dexter (VD), atrium sinistrum (AS), and atrium dextrum (AD) were measured in the four-chamber view. The aortic diameter (AOD), pulmonary artery diameter (PAD), aortic velocity (AOV), and pulmonary artery velocity (PAV) were measured in the left and right ventricular outflow tract sections, respectively. The arterial duct diameter (ADD) was measured in the three-vessel-trachea (3VT) view.Results: Compared with normal fetuses, isolated PLSVC cases showed significant differences in VD, AD, AOD, PAD, ADD, AOV, and PAV (P},
	issn = {2223-4306},	url = {https://qims.amegroups.org/article/view/154982}
}