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PHOENIX, ARIZ. -- Body mass index was inversely related to the risk of post-dural puncture headache in a study of 191 women, Dr. Fred J. Spielman reported at the annual meeting of the Society for Obstetric Anesthesia and Perinatology.
This finding expands on anecdotal reports that obese parturients rarely experience headaches following inadvertent dural puncture. "It's not just morbidly obese patients being unique, but very much a linear relationship between patients who are thin all the way through morbidly obese," said Dr. Spielman, professor of anesthesiology at the University of North Carolina, Chapel Hill.
The results could help clinicians identify patients at greatest risk of postdural puncture headaches who should be candidates for a prophylactic epidural blood patch or who may not be good candidates for continuous spinal analgesia. If a morbidly obese patient experiences a headache after receiving an epidural, etiologies other than dural puncture should be considered, he recommended.
In a study of 191 women who experienced accidental dural puncture ...