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Posture and fluids for preventing post-dural puncture headache.

Abstract：

BACKGROUND:Potentially disabling postural headache occurs after dural puncture in 1-70% of patients. It has been suggested that such headaches may be less common if patients routinely have a period of bed rest or receive supplementary fluids after the procedure. OBJECTIVES:To assess the effects on post dural puncture headache of a period of bed rest versus early mobilisation, of different positions during a period of bed rest, and of administering supplementary fluids after the procedure. SEARCH STRATEGY:We searched the Cochrane Controlled Trials Register (Cochrane Library, Issue 4, 2000), MEDLINE (January 1994-December 1998), and EMBASE (January 1980-December 1998). We also searched the reference lists of articles identified electronically, and contacted trial authors for information about other potentially relevant studies. Date of the most recent search: December 2000. SELECTION CRITERIA:We sought randomised, unconfounded trials, among all types of patients, that compared the effects on post-dural puncture headache of: bed rest versus early mobilisation; head-down tilt versus horizontal or prone versus supine positions during bed rest; or the administration of supplementary fluids versus control. DATA COLLECTION AND ANALYSIS:One reviewer extracted data from the reports of all trials considered eligible for inclusion. The authors of included studies were invited to check the information extracted and provide any details that were unavailable in the published reports. Intention-to-treat analyses were performed. MAIN RESULTS:Eleven trials among 1723 patients compared either bed rest with immediate mobilisation or a longer versus a shorter period of bed rest. There was a non-significant relative increase in the odds of the primary outcome of postural headache among patients allocated more rather than less bed rest (196/639 [31%] bed rest versus 169/615 [27%] early mobilisation; odds ratio [OR] 1.21; 95% confidence interval [CI] 0.94 to 1.55). Analyses confined to the methodologically most rigorous trials gave similar results. Only two trials among 126 patients compared different positions during bed rest. No statistically significant differences were found, but small numbers made the comparisons imprecise. One trial among 100 patients assessed fluid supplementation. Again, the numbers of patients and outcome events were small, and indicated the possibility of both reduced and increased postural headache with additional fluids. REVIEWER'S CONCLUSIONS:There is no good evidence from randomised trials to suggest that routine bed rest after dural puncture is beneficial. The role of fluid supplementation in the prevention of post-dural puncture headache remains uncertain.

journal_name

Cochrane Database Syst Rev

journal_title

The Cochrane database of systematic reviews

authors

Sudlow C,Warlow C

doi

10.1002/14651858.CD001790

keywords:

subject

Has Abstract

pub_date

2002-01-01 00:00:00

pages

CD001790

issue

issn

1469-493X

pii

CD001790

pub_type

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Posture and fluids for preventing post-dural puncture headache.