Perfusion index as a predictor of hypotension after induction of general anesthesia in elderly patients – a prospective observational study

Abdullah Mohamed, Sherif; Yousry Helmy, Mona; Khattab, Sara A; Hossam, Ayman Mohammed; Arafa, Mohamed S.

doi:10.1080/11101849.2023.2238524

Egyptian Journal of Anaesthesia

2023

DOI: 10.1080/11101849.2023.2238524

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Perfusion index as a predictor of hypotension after induction of general anesthesia in elderly patients – a prospective observational study

Sherif Abdullah Mohamed,

Mona Yousry Helmy,

Sara A Khattab

et al.

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The Use of the Perfusion Index to Predict Post-Induction Hypotension in Patients Undergoing General Anesthesia: A Systematic Review and Meta-Analysis

Hung,

Liao,

Kao

et al. 2024

Diagnostics

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Post-induction hypotension (PIH) is a common and potentially serious complication of general anesthesia. This meta-analysis (Prospero registration number: CRD42024566321) aimed to evaluate the predictive efficacy of the perfusion index (PI) for PIH in patients undergoing general anesthesia. A comprehensive literature search was performed using multiple electronic databases (Google Scholar, EMBASE, Cochrane Library, and MEDLINE). Studies involving adult patients undergoing general anesthesia, with the PI measured before anesthesia induction and reporting PIH incidence, were included. The primary outcome was the diagnostic accuracy of the PI in predicting the probability of PIH. The secondary outcome was the pooled PIH incidence. Eight studies with 678 patients were included. The pooled incidence of PIH was 44.8% (95% confidence interval [CI]: 29.9%–60.8%). The combined sensitivity and specificity of the PI for predicting PIH were 0.84 (95% CI: 0.65–0.94) and 0.82 (95% CI: 0.70–0.90), respectively. The summary receiver operating characteristic (sROC) analysis revealed an area under curve of 0.89 (95% CI: 0.86–0.92). The Deek’s funnel plot asymmetry test indicated no significant publication bias. The PI demonstrates high predictive efficacy for PIH in patients undergoing general anesthesia, indicating that it can be a valuable tool for identifying those at risk of PIH.

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The Use of the Perfusion Index to Predict Post-Induction Hypotension in Patients Undergoing General Anesthesia: A Systematic Review and Meta-Analysis

Hung,

Liao,

Kao

et al. 2024

Diagnostics

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show abstract

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Perfusion index as a predictor of hypotension after induction of general anesthesia in elderly patients – a prospective observational study

Cited by 1 publication

References 12 publications

The Use of the Perfusion Index to Predict Post-Induction Hypotension in Patients Undergoing General Anesthesia: A Systematic Review and Meta-Analysis

The Use of the Perfusion Index to Predict Post-Induction Hypotension in Patients Undergoing General Anesthesia: A Systematic Review and Meta-Analysis

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