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Preoperative Frailty Risk in Cranioplasty Patients: Risk Analysis Index Predicts Adverse Outcomes.

Addi N Moya¹, Oluwafemi P Owodunni², Joshua L Harrison³

¹From the University of New Mexico School of Medicine, Albuquerque, N.M.

Plastic and Reconstructive Surgery. Global Open

|June 23, 2023

Summary

This summary is machine-generated.

The Risk Analysis Index-Administrative (RAI-A) better predicts mortality after cranioplasty surgery than the Modified Frailty Index-5 (mFI-5). Frailty is an independent risk factor for poor outcomes following cranial defect repair.

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Area of Science:

Neurosurgery
Surgical Outcomes
Geriatric Medicine

Background:

Cranioplasty is a common procedure for cranial defects, carrying significant risks.
Frailty is a known predictor of poor surgical outcomes but its impact on cranioplasty is understudied.

Purpose of the Study:

To assess the association between frailty and cranioplasty outcomes.
To compare the predictive performance of the Risk Analysis Index-Administrative (RAI-A) and the Modified Frailty Index-5 (mFI-5) for cranioplasty outcomes.

Main Methods:

Utilized the National Surgical Quality Improvement Program database (2012-2020).
Included 2864 patients undergoing cranioplasty.
Employed receiver operating characteristic and multivariable analyses to evaluate RAI-A, mFI-5, and age against postoperative outcomes.

Main Results:

The RAI-A demonstrated superior prediction of 30-day mortality (C-Statistic=0.741) compared to mFI-5 (C-Statistic=0.574) and age (C-Statistic=0.671).
Frailty, as measured by RAI-A, was independently associated with mortality, nonhome discharge, and specific postoperative complications (CDII, CDIIIb, CDIV).

Conclusions:

The RAI-A is a more robust predictor of mortality after cranioplasty than mFI-5 or patient age.
Identifying frailty using tools like RAI-A is crucial for managing high operative morbidity and mortality risks in cranioplasty patients.