Adham M Khalafallah1, Pavan P Shah1, Sakibul Huq1, Adrian E Jimenez1, Palak P Patel1, Nyall R London2,3, Amir H Hamrahian4,3, Roberto Salvatori4,3, Gary L Gallia1,3, Nicholas R Rowan2,3, Debraj Mukherjee5,6,7. 1. Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA. 2. Department of Otolaryngology, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA. 3. Pituitary Center, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA. 4. Division of Endocrinology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA. 5. Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA. dmukher1@jhmi.edu. 6. Pituitary Center, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA. dmukher1@jhmi.edu. 7. Johns Hopkins University School of Medicine, 1800 Orleans St, Baltimore, MD, 21287, USA. dmukher1@jhmi.edu.
Abstract
PURPOSE: Frailty is known to influence cost-related surgical outcomes in neurosurgery, but quantifying frailty is often challenging. Therefore, we investigated the predictive value of the 5-factor modified frailty index (mFI-5) on total hospital charges, LOS, and 90-day readmission for patients undergoing pituitary surgery. METHODS: The medical records of all patients undergoing endoscopic endonasal resection of pituitary adenomas at an academic medical center between January 2017 and December 2018 were retrospectively reviewed. Bivariate statistical analyses were conducted using Fisher's exact test, chi-square test, and independent samples t-test. Linear and logistic regression models were used for multivariate analysis. RESULTS: Our cohort (n = 234) had a mean age of 53.8 years (standard deviation 14.6 years). Sex distributions were equal, and most patients were Caucasian (59%). On multivariate linear regression, with each one-point increase in mFI-5, total LOS increased by 0.64 days in the overall cohort (p < 0.001), 1.08 days in the Cushing disease cohort (p = 0.045), and 0.59 days in non-functioning tumors cohort (p = 0.004). Total charges increased by $3954 in the whole cohort (p < 0.001), $10,652 in the Cushing disease cohort (p = 0.033), and $2902 in the non-functioning tumors cohort (p = 0.007) with each one-point increase in mFI-5. Greater mFI-5 scores were associated with greater odds of 90-day readmission in both overall and Cushing disease cohorts, but these associations did not reach statistical significance. CONCLUSION: A patient's mFI-5 score is significantly associated with increased length of stay and hospital charges for patients undergoing pituitary surgery. The mFI-5 may hold peri-operative value in patient counseling for pituitary adenoma surgery.
PURPOSE: Frailty is known to influence cost-related surgical outcomes in neurosurgery, but quantifying frailty is often challenging. Therefore, we investigated the predictive value of the 5-factor modified frailty index (mFI-5) on total hospital charges, LOS, and 90-day readmission for patients undergoing pituitary surgery. METHODS: The medical records of all patients undergoing endoscopic endonasal resection of pituitary adenomas at an academic medical center between January 2017 and December 2018 were retrospectively reviewed. Bivariate statistical analyses were conducted using Fisher's exact test, chi-square test, and independent samples t-test. Linear and logistic regression models were used for multivariate analysis. RESULTS: Our cohort (n = 234) had a mean age of 53.8 years (standard deviation 14.6 years). Sex distributions were equal, and most patients were Caucasian (59%). On multivariate linear regression, with each one-point increase in mFI-5, total LOS increased by 0.64 days in the overall cohort (p < 0.001), 1.08 days in the Cushing disease cohort (p = 0.045), and 0.59 days in non-functioning tumors cohort (p = 0.004). Total charges increased by $3954 in the whole cohort (p < 0.001), $10,652 in the Cushing disease cohort (p = 0.033), and $2902 in the non-functioning tumors cohort (p = 0.007) with each one-point increase in mFI-5. Greater mFI-5 scores were associated with greater odds of 90-day readmission in both overall and Cushing disease cohorts, but these associations did not reach statistical significance. CONCLUSION: A patient's mFI-5 score is significantly associated with increased length of stay and hospital charges for patients undergoing pituitary surgery. The mFI-5 may hold peri-operative value in patient counseling for pituitary adenoma surgery.
Entities:
Keywords:
Charges; Comorbidities; Frailty; Length of stay; Pituitary surgery; mFI-5
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