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Ultrasound studies of the uterine venous circulation

Amin, Tejal N.; (2020) Ultrasound studies of the uterine venous circulation. Masters thesis (M.D(Res)), UCL (University College London). Green open access

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Abstract

This thesis investigated the ultrasound assessment of the uterine venous circulation and the clinical relevance to its associated pathologies, namely pelvic varicosities and thrombosis. The interand intra-observer variability in the measurement of venous diameter and classification of blood flow was assessed and a good level of agreement was found. Factors influencing venous diameter were also studied in women with normal pelvic organs and those with pelvic pathology. In both studies, the uterine veins could be consistently identified and measured in all subjects. Women who were pre-menopausal and of a higher parity had larger venous diameters in both groups. Moreover, the presence of pelvic pathology led to increased venous diameters compared to normal pelvic organs. This formed the basis of developing a reference range for uterine vein diameters. Additionally, there was no difference in venous diameter between women with and without pain. Transvaginal ultrasound was also used to assess the prevalence and short-term outcomes of uterine venous plexus thrombosis (UVPT). The prevalence was estimated to be 3%, with parity, premenopausal status, recent surgery, varicose veins and a positive family history of venous thromboembolism all being significantly associated with UVPT. In addition, adenomyosis was the main ultrasound finding that was significantly related to the presence of UVPT. The resolution rate was 55% overall, with number of clots present being the significant factor to affect resolution. Receiving medical management for UVPT did not increase resolution.

Type: Thesis (Masters)
Qualification: M.D(Res)
Title: Ultrasound studies of the uterine venous circulation
Event: UCL
Open access status: An open access version is available from UCL Discovery
Language: English
Additional information: Copyright © The Author 2020. Original content in this thesis is licensed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) Licence (https://creativecommons.org/licenses/by/4.0/). Any third-party copyright material present remains the property of its respective owner(s) and is licensed under its existing terms. Access may initially be restricted at the author’s request.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL EGA Institute for Womens Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL EGA Institute for Womens Health > Reproductive Health
URI: https://discovery.ucl.ac.uk/id/eprint/10094495
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