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Postpartum Preeclampsia Management With Furosemide: A Randomized Clinical Trial

Marian H. Ascarelli, MD^*, Venessia Johnson, RN^*, Holly McCreary, RN^*, Julie Cushman, RN^*, Warren L. May, PhD and James N. Martin, Jr, MD^*

From the *Departments of Obstetrics and Gynecology and Preventive Medicine (Biostatistics), University of Mississippi Medical Center, Jackson, Mississippi.

OBJECTIVE: This investigation was undertaken to estimate whether a brief postpartum course of furosemide for patients with preeclampsia benefits recovery and shortens hospitalization by enhancing diuresis, lessening severe hypertension, and reducing the need for antihypertensive therapy.

METHODS: Two hundred sixty-four patients with preeclampsia were enrolled. After spontaneous onset of postpartum diuresis and discontinuation of intravenous magnesium sulfate, patients were randomly assigned to receive either no therapy or 20 mg oral furosemide daily for 5 days with oral potassium supplementation. Patient outcomes were compared between treatment groups with regard to classification of hypertensive disease.

RESULTS: Only postpartum patients with severe preeclampsia (n = 70) who received furosemide compared with controls had significantly lower systolic blood pressure by postpartum day 2 (142 ± 13 mm Hg compared with 153 ± 19 mm Hg, P < .004) and required less antihypertensive therapy during hospitalization (14% compared with 26%, P = .371) and at discharge (6% compared with 26%, P = .045). No benefit was shown for patients with mild preeclampsia (n = 169) or superimposed preeclampsia (n = 25). Neither length of hospitalization nor frequency of delayed postpartum complications was positively affected by the intervention.

CONCLUSION: Brief postpartum furosemide therapy for patients with severe preeclampsia seems to enhance recovery by normalizing blood pressure more rapidly and reducing the need for antihypertensive therapy. Shortening of hospitalization and reduction of delayed postpartum complications were not benefitted.

LEVEL OF EVIDENCE: I

This article has been cited by other articles:

				T. Podymow and P. August Update on the Use of Antihypertensive Drugs in Pregnancy Hypertension, April 1, 2008; 51(4): 960 - 969. [Full Text] [PDF]

				I. Marcovici Postpartum Preeclampsia Management With Furosemide: A Randomized Clinical Trial Obstet. Gynecol., April 1, 2005; 105(4): 899 - 899. [Full Text] [PDF]