• Yoshiaki Oshima, Harumi Kajitani, Atsuko Sasaki, Akira Sasaki, Norio Niino, and Yasuhiro Matsubara.
• Department of Anesthesiology, Shimane Prefectural Central Hospital, Izumo 693-8555.
• Masui. 2005 Aug 1; 54 (8): 875-80.

AbstractContinuous epidural administration of droperidol at 2.5 mg x day(-1) or less was performed in 837 patients after surgery. In 4 of these patients, an extrapyramidal reaction occurred. Patient 1 was a 10-year-old girl who developed the symptom 29 hours after the start of administration, with a total dose of 3.0 mg. Patient 2 was a 16-year-old girl in whom the symptom occurred 24 hours after the start, with a total of 5.3 mg. Patient 3 was a 22-year-old female with the symptom occurring 26 hours after the start, with a total of 5.2 mg. Patient 4 was a 74-year-old female in whom the symptom occurred 24 hours after the start, with a total of 1.3 mg. With respect to the age distribution, the total of 837 patients consisted of 16 patients aged 10 to 19 years, 85 patients aged 20 to 29 years, 91 patients aged 30 to 39 years, 90 patients aged 40 to 49 years, 77 patients aged 50 to 59 years, 148 patients aged 60 to 69 years, 240 patients aged 70 to 79 years, 97 patients aged 80 to 89 years, and 9 patients aged 90 to 99 years. Extrapyramidal reactions related to epidural administration may readily develop at younger ages.

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