Abstract
Background and AimsMaintaining disease remission improves outcomes for pregnant women with Crohn’s disease (CD). As symptoms may correlate poorly with disease activity in the gravid state, we investigated the utility of bowel sonography during pregnancy to assess disease activity.MethodsWe conducted a prospective observational cohort study of pregnant women with CD undergoing bowel sonography between July 1, 2012, and December 1, 2016. Clinically active disease was defined using standardized clinical indices (Harvey Bradshaw Index >4 for active disease). Sonographic findings were graded as inactive (normal, mild) or active (moderate, severe) by expert radiologists.ResultsThere were 91 pregnancies in 82 CD patients. Symptoms were present in 12 pregnancies; however, eight (67%) had sonographic findings of inactive disease, and escalation of therapy was not initiated. Conversely, sonographically active disease in seven asymptomatic pregnancies resulted in four women escalating therapy. The remaining three women declined escalation of therapy, one had a miscarriage, and the other two women had persistently active disease on sonography and endoscopy at one-year postpartum.ConclusionsBowel ultrasound may detect subclinical inflammation in asymptomatic pregnant women with CD and stratify CD activity in symptomatic patients. Therefore, bowel sonography should be considered as a useful adjunct for the assessment of the pregnant woman with Crohn’s disease.
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More From: Journal of the Canadian Association of Gastroenterology
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