Raichel M Alex, Dwayne L Mann, Ali Azarbarzin, Daniel Vena, Laura K Gell, Andrew Wellman, William A Grobman, Francesca L Facco, Robert M Silver, Grace W Pien, Judette M Louis, Phyllis C Zee, Michael Rueschman, Tamar Sofer, Susan Redline, Scott A Sands
RATIONALE: Pharyngeal flow limitation during pregnancy may be a risk factor for adverse pregnancy outcomes but was previously challenging to quantify. OBJECTIVE: To determine whether a novel objective measure of flow limitation identifies an increased risk of preeclampsia (primary outcome) and other adverse outcomes in a prospective cohort: Nulliparous Pregnancy Outcomes Study Monitoring Mothers-to-be. METHODS: Flow limitation severity scores (0%=fully obstructed, 100%=open airway)- quantified from breath-by-breath airflow shape-were obtained from home sleep tests during early (6-15 weeks) and mid (22-31 weeks) pregnancy...
April 4, 2024: European Respiratory Journal