The incidence of postdural puncture headache (PDPH) decreases with the use of thin needles (26ndash;30-G) or conical needles. However, the use of thinner needles carries a higher risk of failure of spinal anaesthesia, leading to the development of double-needle techniques. With the decrease in incidence of severe PDPH, spinal anaesthesia is now recommended for use in day-care surgery and Caesarean section.
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