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Department of Radiodiagnosis, Royal Free Hospital, Pond Street, London NW3 2QG, UK * Department of Public Health Medicine, Central Birmingham Health Authority, Birmingham B15 2TZ, UK
This study aimed to test the hypothesis that the use of fine rather than larger calibre needles for myelography reduces the incidence of post-procedural headache. 160 patients were randomized in a prospective controlled trial of 22 gauge versus 26 gauge needles. The incidence and overall severity of headache as measured at 1, 4 and 21 days after myelography was not significantly different in the two groups.
Key Words: Myelography Headache
Received for publication April 28, 1992. Accepted for publication August 10, 1992.
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