Effect of Low-Dose Aspirin on Mid-Luteal Phase Uterine Artery Blood Flow in Women with Unexplained Recurrent Pregnancy Loss

Document Type : Original Article

Authors

1 36 brookdale avenueUpminster

2 Obstetrics and Gynecology Department, Faculty of Medicine, University of Ain Shams, Cairo, Egypt

3 Radiodiagnosis and medical imaging Department ,Faculty of Medicine, University of Tanta, Tanta, Egypt

10.21608/ebwhj.2024.323829.1369

Abstract

Objectives: As a possible therapy for recurrent pregnancy loss, this study sought to ascertain if low-dose aspirin was effective in increasing uterine artery blood flow.

Study Design: This investigation was structured as a single-arm clinical trial

Patients and Methods: All participants were aged 39 years or younger and had no prior or current indications of abnormal glucose tolerance, thyroid dysfunction, hyperprolactinemia, or Antiphospholipid antibody syndrome. Bilateral assessments of the Systolic/Diastolic (S/D) ratio, Resistive Index (RI), and Pulsatility Index (PI) were conducted in the chosen patients in the mid-luteal phase, before to and following a minimum of two weeks of low-dose aspirin administration.

Results: The results of this investigation showed significant variation in the S/D and PI prior to and following aspirin administration. There was no discernible shift in RI. The analysis revealed a statistically significant reduction in uterine artery PI after aspirin administration (1.92±0.29) compared to the pre-treatment value (2.22±0.27), with a p-value of 0.0001. Remarkably, the pulsatility indices of the left and right uterine arteries did not significantly differ from one another.

Conclusion: For women who have a history of miscarriages, low-dose aspirin can be recommended as an adjuvant therapy as it effectively improves uterine artery blood flow in these patients. However, more well-designed research is required to ascertain whether improved pregnancy outcomes are correlated with improved uterine perfusion. The current study supported the aspirin guideline for women with a history of recurrent miscarriages by showing that aspirin treatment resulted in a reduction in uterine artery PI.

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