Key result
Spinal anaesthesia performed by trainees had a significantly lower success rate in patients with difficult anatomy compared to those with normal habitus (41.3% vs 83.3%; P=0.02).
Why the study?
Does patient obesity and operator experience affect the success rate and complications of spinal anaesthesia?
Population
154 patients undergoing spinal anaesthesia, assessed for anatomical habitus
Comparison
Spinal anaesthesia performed by trainees or in… vs Spinal anaesthesia performed by consultants or…
Design
Cohort
Authors
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May warrant trainee supervision in difficult anatomy; leaves open optimal training thresholds for broader populations.
Observational (n=154)
Does patient obesity and operator experience affect the success rate and complications of spinal anaesthesia?
Absolute Event Rate: 41.3% vs 83.3%
p-value: p=0.02
Patient habitus and operator experience significantly impact the success rate and complication rate of spinal anaesthesia, with obese patients having higher failure rates when performed by trainees.
Wenk et al. (2012) conducted an observational in Spinal anaesthesia (n=154). Difficult anatomy (obesity) vs. Normal habitus was evaluated on Success rate of spinal anaesthesia by trainees (p=0.02). Spinal anaesthesia performed by trainees had a significantly lower success rate in patients with difficult anatomy compared to those with normal habitus (41.3% vs 83.3%; P=0.02).
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