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Risk factors for post-dural puncture headache following injury of the dural membrane: a root-cause analysis and nested case-control study.

Abstract：

BACKGROUND:Post-dural puncture headache following trauma to the dural membrane during neuraxial anaesthesia occurs in 0.13-6.5% of pregnant patients. Identifying factors beyond individual performance that contribute to this adverse event is crucial to developing improvement strategies. METHODS:We used a root cause analysis framework, in a nested case-control study, to identify associated factors. Cases were all patients who had a post-dural puncture headache requiring an epidural blood patch. These patients were matched to a random group of control patients without post-dural puncture headache or known dural injury. Mixed logistic modelling was used. RESULTS:Within a dataset of 35 763 patients, we selected all 154 patients with post-dural puncture headache and compared them with 616 controls. Migraine (odds ratio [OR] 10.60, 95% CI 2.74 to 41.05), obstetric and perinatal pathology (OR 10.85, 95% CI 4.29 to 21.42), and multiple insertion attempts (OR 11.48, 95% CI 6.29 to 20.94), increased the risk of post-dural puncture headache. In contrast, training >3 years (OR 0.20, 95% CI 0.55 to 0.76) and a nurse anaesthetist present during the procedure (OR 0.05, 95% CI 0.01 to 0.29) decreased the risk. The anaesthetist's identity, the size of the labour room, the timing of the procedure or workload did not modify the risk. CONCLUSION:Post-dural puncture headache in this setting is not the result of the individual anaesthetist's characteristics alone. Additional factors including team composition, the presence of obstetrical perinatal pathology, and associated patient's conditions, are also associated with this event. Improvement strategies should consider all these factors.

journal_name

Int J Obstet Anesth

journal_title

International journal of obstetric anesthesia

authors

Haller G,Cornet J,Boldi MO,Myers C,Savoldelli G,Kern C

doi

10.1016/j.ijoa.2018.05.007

subject

Has Abstract

pub_date

2018-11-01 00:00:00

pages

17-27

eissn

0959-289X

issn

1532-3374

pii

S0959-289X(17)30352-7

journal_volume

pub_type

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Risk factors for post-dural puncture headache following injury of the dural membrane: a root-cause analysis and nested case-control study.