Intrathecal meperidine reduces intraoperative shivering during transurethral prostatectomy in elderly patients.
BACKGROUND
Shivering is a frequent event during the perioperative period. We performed a prospective, randomized, double-blind study to determine whether intrathecal meperidine (0.2 mg/kg) decreases the incidence and intensity of shivering after spinal anesthesia for transurethral operations.


METHODS
Fifty patients scheduled for elective transurethral resection operations under spinal anesthesia were randomly allocated to two groups. Spinal anesthesia consisted of 0.5% hyperbaric bupivacaine 8 mg and, mperidine (0.2 mg/kg) (meperidine group) or, normal saline (saline group). Data collection, including sensory block level (by pinprick), blood pressure, heart rate, sublingual temperature, incidence and intensity of shivering, pruritus, nausea, and vomiting was performed at 10 minute intervals.


RESULTS
The incidence and intensity of shivering was significantly less in the meperidine group than saline group (P = 0.012 and P = 0.008, for incidence and intensity, respectively). However, pruritus was more common in the meperidine group compared with the saline group (16% vs. 0%, P < 0.05).


CONCLUSIONS
The addition of meperidine 0.2 mg/kg to intrathecal bupivacaine lowers the incidence and severity of shivering during transurethral prostatectomy in elderly patients.
Department of Anesthesiology and Pain Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Korea.
Duk-Hee
DH
Chun
Hae Keum
HK
Kil
Hyun-Joo
HJ
Kim
Chunghyun
C
Park
Kum-Hee
KH
Chung
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