Why the study?
What are the incidence and risk factors for complications during spinal anesthesia?
What are the incidence and risk factors for complications during spinal anesthesia?
Hypotension and bradycardia are common complications during spinal anesthesia, with risk factors including older age, female sex, and higher peak sensory level.
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High complication rates during spinal anesthesia warrant vigilant monitoring; leaves open validation of risk factors in prospective trials.
Complications during spinal anesthesia were studied prospectively in 1881 patients. Twenty-six percent of the patients suffered from one or more complications. The most common complications were hypotension (16.4%) and bradycardia (8.9%). The risk for hypotension was found to be higher with increasing age of patients (p less than 0.005). Higher peak sensory level significantly increased the risk for hypotension (p less than 0.0001), bradycardia (p less than 0.0001) and nausea (p less than 0.0001). Female patients suffered significantly more hypotension (p less than 0.001), nausea (p less than 0.001) and vomiting (p less than 0.001) than males. Cementation of prosthesis and deflation of the leg tourniquet were other risk factors demonstrated in this study.
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Tarkkila et al. (1991) studied this question.
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