comparative study of incidence of post spinal headache with different bore spinal needles

The study was designed to know the incidence of Headache during seven days after spinal anaesthesia. Disposable spinal needles of two standard gauges [No. 22 and No. 20] were used on two groups of patients. It was found that incidence of post spinal headache is more in that group of patients, in which wide bore needles [No. 20] were used for the dural puncture and subsequent analgesia