Purpose: The study investigated the association between cell-stent area and cerebrovascular events incidence in asymptomatic patients undergoing carotid artery stenting (CAS).
Materials And Methods: This is an observational, retrospective, multicenter, cohort study. Between 2012 and 2022, all patients undergoing primary CAS for severe asymptomatic carotid artery stenosis were evaluated.
Objective: To describe characteristics, trends, and outcomes of international gestational surrogacy cycles in the United States (US).
Design: Retrospective cohort study.
Setting: All assisted reproductive technology cycles in the US reported to the Society for Assisted Reproductive Technology Clinic Outcome Reporting Systems that included an embryo transfer to a gestational carrier from 2014 to 2020.
Missing race/ethnicity data are common in many surveillance systems and registries, which may limit complete and accurate assessments of racial and ethnic disparities. Centers for Disease Control and Prevention's National Assisted Reproductive Technology (ART) Surveillance System (NASS) has a congressional mandate to collect data on all ART cycles performed by fertility clinics in the United States and provides valuable information on ART utilization and treatment outcomes. However, race/ethnicity data are missing for many ART cycles in NASS.
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