Drugs for treatment of very high blood pressure during pregnancy

To treat high blood pressure in pregnancy, clinicians should choose any anti-hypertension drug based on their own experience and data on adverse maternal and fetal side-effects. This commentary recommends hydralazine for the management of severe high blood pressure in under-resourced settings because of its effectiveness, low cost and relative safety.
RHL Commentary by Olalekan Adetoro

EVIDENCE SUMMARY

This Cochrane Review includes twenty trials in which the antihypertensive effect of different drugs was compared. Overall, the review found no evidence of any one of the drugs compared being better the rest in treating severe hypertension in pregnant women with the of exception ketanserin: women receiving ketanserin were more likely to have consistent hypertension compared to those receiving hydralazine. In addition, diazoxide was found to cause severe hypotension.

Only adequately controlled, randomized trials were reviewed. Most of the trials did not have adequate blinding for allocation and treatment, and this diminishes the robustness of the results.

The full RHL commentary also includes sections on:

Relevance
- Magnitude of the problem
- Feasibility of the intervention
- Applicability of the results of the Cochrane Review
- Implementation of the intervention
- Research
References


This document should be cited as: Olalekan Adetoro. Drugs for rapid treatment of very high blood pressure in pregnancy: RHL commentary (last revised: 15 November 2002). The WHO Reproductive Health Library, No 9, Update Software Ltd, Oxford, 2006. www.rhlibrary.com