Canadian journal of anaesthesia = Journal canadien d'anesthésie
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Meta Analysis
Examining the evidence in anesthesia literature: a survey and evaluation of obstetrical postdural puncture headache reports.
To describe a bibliographic database on the literature of postdural puncture headache (PDPH) in the obstetrical population, to describe the research architecture in this field, and to evaluate the quality of case-control studies, cohort studies, and controlled clinical trials on PDPH. ⋯ Although the amount of research on PDPH in parturients is increasing, use of optimal study designs and improvement in methodology is needed.