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Dicpinigaitis AJ, Khamzina Y, Hall DE, Nassereldine H, Kennedy J, Seymour CW, Schmidt M, Reitz KM, Bowers CA. Adaptation of the Risk Analysis Index for Frailty Assessment Using Diagnostic Codes. JAMA Netw Open 2024; 7:e2413166. [PMID: 38787554 PMCID: PMC11127118 DOI: 10.1001/jamanetworkopen.2024.13166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 03/23/2024] [Indexed: 05/25/2024] Open
Abstract
Importance Frailty is associated with adverse outcomes after even minor physiologic stressors. The validated Risk Analysis Index (RAI) quantifies frailty; however, existing methods limit application to in-person interview (clinical RAI) and quality improvement datasets (administrative RAI). Objective To expand the utility of the RAI utility to available International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) administrative data, using the National Inpatient Sample (NIS). Design, Setting, and Participants RAI parameters were systematically adapted to ICD-10-CM codes (RAI-ICD) and were derived (NIS 2019) and validated (NIS 2020). The primary analysis included survey-weighed discharge data among adults undergoing major surgical procedures. Additional external validation occurred by including all operative and nonoperative hospitalizations in the NIS (2020) and in a multihospital health care system (UPMC, 2021-2022). Data analysis was conducted from January to May 2023. Exposures RAI parameters and in-hospital mortality. Main Outcomes and Measures The association of RAI parameters with in-hospital mortality was calculated and weighted using logistic regression, generating an integerized RAI-ICD score. After initial validation, thresholds defining categories of frailty were selected by a full complement of test statistics. Rates of elective admission, length of stay, hospital charges, and in-hospital mortality were compared across frailty categories. C statistics estimated model discrimination. Results RAI-ICD parameters were weighted in the 9 548 206 patients who were hospitalized (mean [SE] age, 55.4 (0.1) years; 3 742 330 male [weighted percentage, 39.2%] and 5 804 431 female [weighted percentage, 60.8%]), modeling in-hospital mortality (2.1%; 95% CI, 2.1%-2.2%) with excellent derivation discrimination (C statistic, 0.810; 95% CI, 0.808-0.813). The 11 RAI-ICD parameters were adapted to 323 ICD-10-CM codes. The operative validation population of 8 113 950 patients (mean [SE] age, 54.4 (0.1) years; 3 148 273 male [weighted percentage, 38.8%] and 4 965 737 female [weighted percentage, 61.2%]; in-hospital mortality, 2.5% [95% CI, 2.4%-2.5%]) mirrored the derivation population. In validation, the weighted and integerized RAI-ICD yielded good to excellent discrimination in the NIS operative sample (C statistic, 0.784; 95% CI, 0.782-0.786), NIS operative and nonoperative sample (C statistic, 0.778; 95% CI, 0.777-0.779), and the UPMC operative and nonoperative sample (C statistic, 0.860; 95% CI, 0.857-0.862). Thresholds defining robust (RAI-ICD <27), normal (RAI-ICD, 27-35), frail (RAI-ICD, 36-45), and very frail (RAI-ICD >45) strata of frailty maximized precision (F1 = 0.33) and sensitivity and specificity (Matthews correlation coefficient = 0.26). Adverse outcomes increased with increasing frailty. Conclusion and Relevance In this cohort study of hospitalized adults, the RAI-ICD was rigorously adapted, derived, and validated. These findings suggest that the RAI-ICD can extend the quantification of frailty to inpatient adult ICD-10-CM-coded patient care datasets.
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Affiliation(s)
- Alis J. Dicpinigaitis
- Department of Neurology, New York Presbyterian–Weill Cornell Medical Center, New York, New York
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque, New Mexico
| | | | - Daniel E. Hall
- Department of Neurology, New York Presbyterian–Weill Cornell Medical Center, New York, New York
- Department of Surgery, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, Pennsylvania
- Center for Health Equity Research and Promotion, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, Pennsylvania
- Wolff Center, UPMC, Pittsburgh, Pennsylvania
| | - Hasan Nassereldine
- Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Jason Kennedy
- Clinical Research, Investigation, and Systems Modeling of Acute Illness (CRISMA) Center, Pittsburgh, Pennsylvania
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Christopher W. Seymour
- Clinical Research, Investigation, and Systems Modeling of Acute Illness (CRISMA) Center, Pittsburgh, Pennsylvania
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Meic Schmidt
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque, New Mexico
| | - Katherine M. Reitz
- Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
- Clinical Research, Investigation, and Systems Modeling of Acute Illness (CRISMA) Center, Pittsburgh, Pennsylvania
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
- Division of Vascular Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Christian A. Bowers
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque, New Mexico
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Covell MM, Roy JM, Rumalla K, Dicpinigaitis AJ, Kazim SF, Hall DE, Schmidt MH, Bowers CA. The Limited Utility of the Hospital Frailty Risk Score as a Frailty Assessment Tool in Neurosurgery: A Systematic Review. Neurosurgery 2024; 94:251-262. [PMID: 37695046 DOI: 10.1227/neu.0000000000002668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 07/13/2023] [Indexed: 09/12/2023] Open
Abstract
BACKGROUND AND OBJECTIVES The Hospital Frailty Risk Score (HFRS) is an International Classification of Disease 10th Revision-based scale that was originally designed for, and validated in, the assessment of patients 75 years or older presenting in an acute care setting. This study highlights central tenets inherent to the concept of frailty; questions the logic behind, and utility of, HFRS' recent implementation in the neurosurgical literature; and discusses why there is no useful role for HFRS as a frailty-based neurosurgical risk assessment (FBNRA) tool. METHODS The authors performed a systematic review of the literature per Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, including all cranial and spinal studies that used HFRS as their primary frailty tool. Seventeen (N = 17) studies used HFRS to assess frailty's impact on neurosurgical outcomes. Thirteen total journals, 10 of which were neurosurgical journals, including the highest impact factor journals, published the 17 papers. RESULTS Increasing HFRS score was associated with adverse outcomes, including prolonged length of stay (11 of 17 studies), nonroutine discharge (10 of 17 studies), and increased hospital costs (9 of 17 studies). Four different HFRS studies, of the 17, predicted one of the following 4 adverse outcomes: worse quality of life, worse functional outcomes, reoperation, or in-hospital mortality. CONCLUSION Despite its rapid acceptance and widespread proliferation through the leading neurosurgical journals, HFRS lacks any conceptual relationship to the frailty syndrome or FBNRA for individual patients. HFRS measures acute conditions using International Classification of Disease 10th Revision codes and awards "frailty" points for symptoms and examination findings unrelated to the impaired baseline physiological reserve inherent to the very definition of frailty. HFRS lacks clinical utility as it cannot be deployed point-of-care at the bedside to risk stratify patients. HFRS has never been validated in any patient population younger than 75 years or in any nonacute care setting. We recommend HFRS be discontinued as an individual FBNRA tool.
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Affiliation(s)
- Michael M Covell
- School of Medicine, Georgetown University, Washington , District of Columbia , USA
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque , New Mexico , USA
| | - Joanna Mary Roy
- Topiwala National Medical College, Mumbai , India
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque , New Mexico , USA
| | - Kavelin Rumalla
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque , New Mexico , USA
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque , New Mexico , USA
| | - Alis J Dicpinigaitis
- Department of Neurosurgery, Westchester Medical Center & New York Medical College, Valhalla , New York , USA
| | - Syed Faraz Kazim
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque , New Mexico , USA
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque , New Mexico , USA
| | - Daniel E Hall
- Department of Surgery, University of Pittsburgh, Pittsburgh , Pennsylvania , USA
- Center for Health Equity Research and Promotion, Virginia Pittsburgh Healthcare System, Pittsburgh , Pennsylvania , USA
- Wolff Center at UPMC, Pittsburgh , Pennsylvania , USA
| | - Meic H Schmidt
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque , New Mexico , USA
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque , New Mexico , USA
| | - Christian A Bowers
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque , New Mexico , USA
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque , New Mexico , USA
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Dagra A, Rezk R, Lucke-Wold B. Commentary: The Limited Utility of the Hospital Frailty Risk Score as a Frailty Assessment Tool in Neurosurgery: A Systematic Review. Neurosurgery 2024; 94:e18-e19. [PMID: 37930134 DOI: 10.1227/neu.0000000000002751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 10/09/2023] [Indexed: 11/07/2023] Open
Affiliation(s)
- Abeer Dagra
- Department of Neurosurgery, University of Florida, Gainesville , Florida , USA
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Hong B, Allam A, Heese O, Gerlach R, Gheewala H, Rosahl SK, Stoffel M, Ryang YM, Burger R, Carl B, Kristof RA, Westermaier T, Terzis J, Youssef F, Kuhlen R, Hohenstein S, Bollmann A, Dengler J. Trends in frailty in brain tumor care during the COVID-19 pandemic in a nationwide hospital network in Germany. Eur Geriatr Med 2023; 14:1383-1391. [PMID: 37955830 PMCID: PMC10754727 DOI: 10.1007/s41999-023-00880-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 10/03/2023] [Indexed: 11/14/2023]
Abstract
PURPOSE Among brain tumor patients, frailty is associated with poor outcomes. The COVID-19 pandemic has led to increased frailty in the general population. To date, evidence on changes in frailty among brain tumor patients during the pandemic is lacking. We aimed to compare frailty among brain tumor patients in Germany during the COVID-19 pandemic to the pre-pandemic era and to assess potential effects on brain tumor care. METHODS In this retrospective observational study, we compared frailty among brain tumor patients hospitalized during the COVID-19 pandemic in years 2020 through 2022 to pre-pandemic years 2016 through 2019 based on administrative data from a nationwide network of 78 hospitals in Germany. Using the Hospital Frailty Risk Score (HFRS), frailty was categorized as low, intermediate, or high. We examined changes in frailty, patient demographics, the burden of comorbidity, rates of surgery, and mortality rates for different frailty groups during the pandemic and compared them to pre-pandemic levels. RESULTS Of the 20,005 included hospitalizations for brain tumors, 7979 were during the pandemic (mean age 60.0 years (± 18.4); females: 49.8%), and 12,026 in the pre-pandemic period (mean age: 59.0 years [± 18.4]; females: 49.2%). Average daily admissions decreased from 8.2 (± 5.1) during pre-pandemic years to 7.3 (± 4.5) during the pandemic (p < 0.01). The overall median HFRS decreased from 3.1 (IQR: 0.9-7.3) during the pre-pandemic years to 2.6 (IQR: 0.3-6.8) during the pandemic (p < 0.01). At the same time, the Elixhauser Comorbidity Index (ECI) decreased from 17.0 (± 12.4) to 16.1 (± 12.0; p < 0.01), but to a larger degree among high compared to low frailty cases (by 1.8 vs. 0.3 points; p = 0.04). In the entire cohort, the mean length of stay was significantly shorter in the pandemic period (9.5 days [± 10.7]) compared with pre-pandemic levels (10.2 days [± 11.8]; p < 0.01) with similar differences in the three frailty groups. Rates of brain tumor resection increased from 29.9% in pre-pandemic years to 36.6% during the pandemic (p < 0.001) without differences between frailty levels. Rates of in-hospital mortality did not change during the pandemic (6.1% vs. 6.7%, p = 0.07), and there was no interaction with frailty. CONCLUSION Even though our findings are limited in that the HFRS is validated only for patients ≥ 75 years of age, our study among patients of all ages hospitalized for brain tumors in Germany suggests a marked decrease in levels of frailty and in the burden of comorbidities during the COVID-19 pandemic.
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Affiliation(s)
- Bujung Hong
- Department of Neurosurgery, HELIOS Hospital Bad Saarow, Bad Saarow, Germany
- Department of Neurosurgery, Hannover Medical School, Hannover, Germany
- Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, Campus Bad Saarow, Pieskower Strasse 33, 15526, Bad Saarow, Germany
| | - Ali Allam
- Department of Anesthesiology and Intensive Care Medicine, HELIOS Hospital Bad Saarow, Bad Saarow, Germany
- Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, Campus Bad Saarow, Pieskower Strasse 33, 15526, Bad Saarow, Germany
| | - Oliver Heese
- Department of Neurosurgery, HELIOS Hospital Schwerin, Schwerin, Germany
| | - Rüdiger Gerlach
- Department of Neurosurgery, HELIOS Hospital Erfurt, Erfurt, Germany
| | - Hussain Gheewala
- Department of Neurosurgery, HELIOS Hospital Bad Saarow, Bad Saarow, Germany
- Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, Campus Bad Saarow, Pieskower Strasse 33, 15526, Bad Saarow, Germany
| | - Steffen K Rosahl
- Department of Neurosurgery, HELIOS Hospital Erfurt, Erfurt, Germany
| | - Michael Stoffel
- Department of Neurosurgery, HELIOS Hospital Krefeld, Krefeld, Germany
| | - Yu-Mi Ryang
- Department of Neurosurgery and Center for Spine Therapy, HELIOS Hospital Berlin Buch, Berlin, Germany
- Department of Neurosurgery, Klinikum Rechts der Isar, Technical University Munich, Munich, Germany
| | - Ralf Burger
- Department of Neurosurgery, HELIOS Hospital Uelzen, Uelzen, Germany
| | - Barbara Carl
- Department of Neurosurgery, University of Marburg, Marburg, Germany
- Marburg Center for Mind, Brain and Behavior (MCMBB), Marburg, Germany
- Department of Neurosurgery, HELIOS Dr. Horst Schmidt Kliniken, Wiesbaden, Germany
| | - Rudolf A Kristof
- Department of Neurosurgery, HELIOS Hospital Meiningen, Meiningen, Germany
| | | | - Jorge Terzis
- Department of Neurosurgery, HELIOS University Hospital Wuppertal, Wuppertal, Germany
| | - Farid Youssef
- Department of Neurosurgery, HELIOS Hospital Plauen, Plauen, Germany
| | | | - Sven Hohenstein
- Real World Evidence and Health Technology Assessment, Helios Health Institute, Berlin, Germany
| | - Andreas Bollmann
- Real World Evidence and Health Technology Assessment, Helios Health Institute, Berlin, Germany
- Department of Electrophysiology, Heart Center Leipzig, Leipzig, Germany
| | - Julius Dengler
- Department of Neurosurgery, HELIOS Hospital Bad Saarow, Bad Saarow, Germany.
- Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, Campus Bad Saarow, Pieskower Strasse 33, 15526, Bad Saarow, Germany.
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Estes EM, Rumalla K, Kazim SF, Kassicieh AJ, Segura AC, Kogan M, Spader HS, Botros JA, Schmidt MH, Sheehan JP, McKee RG, Shin HW, Bowers CA. Frailty Measured by the Risk Analysis Index Predicts Nonhome Discharge and Mortality After Resection in Refractory Epilepsy: Analysis of 1236 Patients From a Prospective Surgical Registry, 2012 to 2020. Neurosurgery 2023; 93:267-273. [PMID: 36853010 DOI: 10.1227/neu.0000000000002439] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 01/06/2023] [Indexed: 03/01/2023] Open
Abstract
BACKGROUND Risk stratification of epilepsy surgery patients remains difficult. The Risk Analysis Index (RAI) is a frailty measurement that augments preoperative risk stratification. OBJECTIVE To evaluate RAI's discriminative threshold for nonhome discharge disposition (NHD) and mortality (or discharge to hospice within 30 days of operation) in epilepsy surgery patients. METHODS Patients were queried from the American College of Surgeons-National Surgical Quality Improvement Program database (2012-2020) using diagnosis/procedure codes. Linear-by-linear trend tests assessed RAI's relationship with NHD and mortality. Discriminatory accuracy was assessed by C-statistics (95% CI) in receiver operating characteristic curve analysis. RESULTS Epilepsy resections (N = 1236) were grouped into temporal lobe (60.4%, N = 747) and nontemporal lobe (39.6%, N = 489) procedures. Patients were stratified by RAI tier: 76.5% robust (RAI 0-20), 16.2% normal (RAI 21-30), 6.6% frail (RAI 31-40), and 0.8% severely frail (RAI 41 and above). The NHD rate was 18.0% (N = 222) and positively associated with increasing RAI tier: 12.5% robust, 34.0% normal, 38.3% frail, and 50.0% severely frail ( P < .001). RAI had robust predictive discrimination for NHD in overall cohort (C-statistic 0.71), temporal lobe (C-statistic 0.70), and nontemporal lobe (C-statistic 0.71) cohorts. The mortality rate was 2.7% (N = 33) and significantly associated with RAI frailty: 1.1% robust, 8.0% normal, 6.2% frail, and 20.0% severely frail ( P < .001). RAI had excellent predictive discrimination for mortality in overall cohort (C-statistic 0.78), temporal lobe (C-statistic 0.80), and nontemporal lobe (C-statistic 0.74) cohorts. CONCLUSION The RAI frailty score predicts mortality and NHD after epilepsy surgery. This is accomplished with a user-friendly calculator: https://nsgyfrailtyoutcomeslab.shinyapps.io/epilepsy/ .
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Affiliation(s)
- Emily M Estes
- Texas Tech University Health Sciences Center School of Medicine, El Paso, Texas, USA
| | - Kavelin Rumalla
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque, New Mexico, USA
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque, New Mexico, USA
| | - Syed Faraz Kazim
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque, New Mexico, USA
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque, New Mexico, USA
| | - Alexander J Kassicieh
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque, New Mexico, USA
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque, New Mexico, USA
| | - Aaron C Segura
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque, New Mexico, USA
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque, New Mexico, USA
| | - Michael Kogan
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque, New Mexico, USA
| | - Heather S Spader
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque, New Mexico, USA
| | - James A Botros
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque, New Mexico, USA
| | - Meic H Schmidt
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque, New Mexico, USA
| | - Jason P Sheehan
- Department of Neurosurgery, University of Virginia Hospital, Charlottesville, Virginia, USA
| | - Rohini G McKee
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque, New Mexico, USA
- Department of Surgery, University of New Mexico Hospital, Albuquerque, New Mexico, USA
| | - Hae Won Shin
- Department of Neurology, University of New Mexico Hospital, Albuquerque, New Mexico, USA
| | - Christian A Bowers
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque, New Mexico, USA
- Bowers Neurosurgical Frailty and Outcomes Data Science Lab, Albuquerque, New Mexico, USA
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Estes E, Rumalla K, Schmidt MH, Bowers C. Correspondence on "Higher hospital frailty risk score is associated with increased complications and healthcare resource utilization after endovascular treatment of ruptured intracranial aneurysms" by Koo et al. J Neurointerv Surg 2023; 15:305-306. [PMID: 36150898 DOI: 10.1136/jnis-2022-019604] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 09/18/2022] [Indexed: 11/03/2022]
Affiliation(s)
- Emily Estes
- Neurosurgery, TTUHSC El Paso Foster School of Medicine, El Paso, Texas, USA
| | - Kavelin Rumalla
- Neurosurgery, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Meic H Schmidt
- Neurosurgery, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
| | - Christian Bowers
- Neurosurgery, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
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Preoperative frailty risk in deep brain stimulation patients: Risk analysis index predicts Clavien-Dindo IV complications. Clin Neurol Neurosurg 2023; 226:107616. [PMID: 36773534 DOI: 10.1016/j.clineuro.2023.107616] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/21/2023] [Accepted: 01/23/2023] [Indexed: 02/11/2023]
Abstract
OBJECTIVE Deep brain stimulation (DBS) improves patients' quality of life in multiple movement disorders and chronic neurodegenerative diseases. There are no published studies assessing frailty's impact on DBS outcomes. We evaluated frailty's impacts on DBS outcomes, comparing discriminative thresholds of the risk analysis index (RAI) to modified frailty index-5 (mFI-5) for predicting Clavien-Dindo complications (CDIV). METHODS Patients who underwent DBS between 2015 and 2019 in the ACS-NSQIP registry were included. We employed receiver operating characteristic (ROC) curve to examine the discriminative thresholds of RAI and mFI-5 and multivariable analyses for postoperative outcomes. Our primary outcome was CDIV, and secondary outcomes were discharge to higher-level care facility, unplanned reoperation within 30 days, in any hospital, for any procedure related to the index procedure, and extended length of stay. RESULTS A total of 3795 patients were included. In the ROC analysis for CDIV, RAI showed superior discriminative threshold (C-statistic = 0.70, 95% CI 0.61-0.80, <0.001) than mFI-5 (C-statistic = 0.60, 95% CI 0.49-0.70, P = 0.08). On multivariable analyses, frailty stratified by RAI, had independent associations with CDIV, i.e., pre-frail 2-fold increase OR 2.04 (95% CI: 1.94-2.14) p < 0.001, and frail 39% increase OR 1.39 (95% CI: 1.27-1.53), p < 0.001. CONCLUSION Frailty was an independent risk-factor for CDIV. The RAI had superior discriminative thresholds than mFI-5 in predicting CDIV after DBS. Our ability to identify frail patients prior to DBS presents a novel clinical opportunity for quality improvement strategies to target this specific patient population. RAI may be a useful primary frailty screening modality for potential DBS candidates.
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Zohdy YM, Rumalla K, Schmidt MH, Bowers CA. Letter to Editor: Does the "Hospital Frailty Risk Score" Measure Frailty in Patients Undergoing Surgery for Primary Spinal Cord Tumors? Global Spine J 2023; 13:254-255. [PMID: 36154317 PMCID: PMC9837514 DOI: 10.1177/21925682221129559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Affiliation(s)
| | - Kavelin Rumalla
- Department of Neurosurgery, University of New Mexico Hospital
(UNMH), Albuquerque, NM, USA
| | - Meic H. Schmidt
- Department of Neurosurgery, University of New Mexico Hospital
(UNMH), Albuquerque, NM, USA
| | - Christian A. Bowers
- Department of Neurosurgery, University of New Mexico Hospital
(UNMH), Albuquerque, NM, USA,Christian A. Bowers, MD, Department of
Neurosurgery, University of New Mexico Health Sciences Center, 1 University New Mexico,
MSC10 5615, Albuquerque, NM 81731, USA.
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Varela S, Rumalla K, Schmidt MH, Bowers CA. Letter to Editor Regarding "Hospital Frailty Risk Score Predicts Adverse Events and Readmission Following Ventriculoperitoneal Shunt Surgery for Normal Pressure Hydrocephalus". World Neurosurg 2023; 169:121-123. [PMID: 36585095 DOI: 10.1016/j.wneu.2022.09.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 12/30/2022]
Affiliation(s)
- Samantha Varela
- University of New Mexico School of Medicine, Albuquerque, New Mexico, USA
| | - Kavelin Rumalla
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque, New Mexico, USA
| | - Meic H Schmidt
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque, New Mexico, USA
| | - Christian A Bowers
- Department of Neurosurgery, University of New Mexico Hospital, Albuquerque, New Mexico, USA.
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Rumalla K, Schmidt MH, Bowers CA. Letter to the Editor. Limitations of the Hospital Frailty Risk Score in metastatic spinal column tumor surgery. J Neurosurg Spine 2022; 38:412-414. [PMID: 36272127 DOI: 10.3171/2022.9.spine22990] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Marquez J, Schmidt M, Bowers CA. Letter: Does the "hospital frailty risk score" measure preoperative frailty for craniopharyngioma surgery? J Neurooncol 2022; 160:273-275. [PMID: 36222953 DOI: 10.1007/s11060-022-04157-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 10/03/2022] [Indexed: 10/17/2022]
Affiliation(s)
- Joshua Marquez
- University of New Mexico Hospital (UNMH), Albuquerque, NM, USA.,Department of Neurosurgery, University of New Mexico Health Sciences Center, 1 University New Mexico, MSC10 5615, Albuquerque, NM, 81731, USA
| | - Meic Schmidt
- University of New Mexico Hospital (UNMH), Albuquerque, NM, USA.,Department of Neurosurgery, University of New Mexico Health Sciences Center, 1 University New Mexico, MSC10 5615, Albuquerque, NM, 81731, USA
| | - Christian A Bowers
- University of New Mexico Hospital (UNMH), Albuquerque, NM, USA. .,Department of Neurosurgery, University of New Mexico Health Sciences Center, 1 University New Mexico, MSC10 5615, Albuquerque, NM, 81731, USA.
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