Key result
A pre-operative history of hypertension was strongly associated with perioperative cardiovascular death (OR 4.14; 95% CI 1.63-11.69; p < 0.001), whereas admission blood pressure showed no association.
Why the study?
Does a pre-operative history of hypertension or admission blood pressure increase the risk of postoperative cardiovascular death in patients undergoing elective surgery?
Population
152 patients
Comparison
Pre-operative history of hypertension and… vs No pre-operative history of hypertension
Design
Case-control
Follow-up
30 days
Authors
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Hypertension history may inform perioperative risk stratification; leaves open whether admission BP or control strategies affect outcomes.
Case-Control (n=152)
Does a pre-operative history of hypertension or admission blood pressure increase the risk of postoperative cardiovascular death in patients undergoing elective surgery?
Odds Ratio: 4.14 (95% CI 1.63–11.69)
p-value: p=< 0.001
Howell et al. (1996) conducted a case-control in Perioperative cardiovascular risk (n=152). Pre-operative history of hypertension vs. No pre-operative history of hypertension was evaluated on Perioperative cardiovascular death (OR 4.14, 95% CI 1.63-11.69, p=< 0.001). A pre-operative history of hypertension was strongly associated with perioperative cardiovascular death (OR 4.14; 95% CI 1.63-11.69; p < 0.001), whereas admission blood pressure showed no association.
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