Korean J Anesthesiol.  2020 Dec;73(6):518-524. 10.4097/kja.19409.

Incidence of newly developed postoperative low back pain with median versus paramedian approach for spinal anesthesia

Affiliations
  • 1Department of Anesthesiology and Pain Medicine, Gwangju Christian Hospital, Gwangju, Korea

Abstract

Background
The effects of anesthetic techniques on postdural puncture backache (PDPB) have not been specifically evaluated. The purpose of this study was to compare the incidence and severity of PDPB between median and paramedian techniques.
Methods
Patients were randomized to receive spinal anesthesia by either a median (Group M, n = 50) or paramedian (Group P, n = 50) approach.We recorded each patient’s personal number of puncture attempts, surgical position, and operation duration. We investigated the incidence and intensity of back pain 1 day, 1 week, and 1, 2, and 3 months postoperatively.
Results
The overall incidence of PDPB was higher in the Group M (18/50, 36%) than in the Group P (8/50, 16%) (P =0.023). Twenty-four hours after surgery, 8 patients in Group M and 6 patients in Group P complained of back pain, and the average numeric rating scale (NRS) pain scores showed no evidence of differences. Seven days after the surgery, 16 patients in the Group M and 5 patients in the Group P complained of pain (P = 0.007); their NRS scores did not significantly differ. After 1 month, 5 patients in the Group M and 1 patient in the Group P complained of pain. Only one patient in each group complained of pain after 3 months.
Conclusions
The results of this study suggest that spinal anesthesia using the paramedian approach reduces the incidence of PDPB during the early postoperative period.

Keyword

Adverse effects; Anesthesia; Low back ache; Median-paramedian; Spinal

Cited by  2 articles

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