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Anesthesia and analgesia · Jan 2020
Multicenter Study Comparative StudyFactors Associated With Failure of Spinal Anesthetic: An 8-Year Retrospective Analysis of Patients Undergoing Elective Hip and Knee Joint Arthroplasty.
- Jane Colish, Andrew D Milne, Paul Brousseau, and Vishal Uppal.
- From the Department of Anaesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, Nova Scotia, Canada.
- Anesth. Analg. 2020 Jan 1; 130 (1): e19-e22.
AbstractThe primary outcome of this 8-year retrospective review was the failure of spinal anesthetic (SA) in elective hip and knee joint arthroplasty surgery. Of 3542 SAs, a total of 135 failures were identified (3.8%). Factors associated with increased odds of failure were younger age (odds ratio [OR], 1.03; 95% confidence interval [CI], 1.01-1.05), lower body mass index (BMI; OR, 1.04 [1.01-1.08]), hip arthroplasty (OR, 1.90 [1.28-2.84]) compared to knee arthroplasty, needle insertion at L4-5 (OR, 4.61 [2.02-10.54]) and L5-S1 (OR, 7.66 [2.47-23.7]) compared to L2-3, 22-gauge needle size (OR, 2.17 [1.34-3.52]) compared to 25-gauge needle, and hyperbaric bupivacaine (OR, 1.66 [1.09-2.53]) compared to isobaric bupivacaine.
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