Patient Preferences and Decisional Needs When Choosing a Treatment Approach for Pregnancy Hypertension: A Stated Preference Study.

The Hypertension Canada 2018 clinical guidance for pregnancy hypertension recommends antihypertensive therapy for raised blood pressure in pregnancy to a target diastolic blood pressure (BP) of 85 mm Hg (ie, "tight" control). Although evidence shows this approach reduces the incidence of severe maternal hypertension without increasing risk to the baby, we do not know how pregnant women feel about this approach, particularly as they are generally medication averse. An online survey assessed pregnant women's preferences for management of pregnancy hypertension and explored decisional needs. The survey included information provision and knowledge assessment, a preference elicitation task, and a decisional needs assessment. Survey responses were analysed descriptively, by latent class analysis to identify treatment priority subgroups, and by logistic regression to assess predictors of treatment preference. For the 183 pregnant respondents, 3 treatment priority subgroups were identified, with most respondents expressing equal prioritization of treatment outcomes and components (eg, taking medication). Participants who preferred tight control (49%) were more often white (odds ratio [OR]: 2.38; 95% confidence interval [CI]: 1.18-4.55), with a university education/professional qualification (OR 1.95; 95% CI: 1.02-3.7), and had greater knowledge about pregnancy hypertension and pregnancy complications (OR 1.37; 95% CI: 1.15-1.65). Participants reported diverse decisional needs, but most preferred to make final treatment decisions themselves (70%), with (48%) or without (22%) physician input. The diversity of priorities, preferences, and decisional needs for management of pregnancy hypertension identified in this study emphasises the importance of an individualized approach to treatment recommendations.

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