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Chaliparambil RK, Nandoliya KR, Jahromi BS, Potts MB. Charlson Comorbidity Index and Frailty as Predictors of Resolution Following Middle Meningeal Artery Embolization for Chronic Subdural Hematoma. World Neurosurg 2024; 183:e877-e885. [PMID: 38218440 DOI: 10.1016/j.wneu.2024.01.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 01/06/2024] [Accepted: 01/08/2024] [Indexed: 01/15/2024]
Abstract
BACKGROUND Research on variables associated with chronic subdural hematoma (cSDH) resolution following middle meningeal artery embolization (MMAE) is limited. This study investigated the clinical utility of age-adjusted Charlson Comorbidity Index (ACCI) and modified 5-item Frailty Index (mFI - 5) for predicting cSDH resolution following MMAE. METHODS We identified patients who underwent MMAE at our institution between January 2018 and December 2022, with at least 20 days of follow-up and one radiographic follow-up study. Patient demographics, characteristics, and outcomes were collected. Complete resolution was defined as absence of subdural collections on CT-scan at last follow-up. Nonage adjusted CCI (CCI), ACCI, and mFI - 5 scores were calculated. Univariate and multivariable logistic regression analyzed the relationship between cSDH resolution and variables. A receiver operating characteristic (ROC) curve established the utility of ACCI and mFI - 5 in predicting hematoma resolution. RESULTS The study included 85 MMAE procedures. In univariate analysis, patients without resolution were older, had higher CCI, higher ACCI, higher mFI - 5, and were more likely to have diabetes mellitus. In multivarible analysis, CCI (OR: 0.66, 95% CI: 0.48, 0.91) was independently associated with resolution controlling for age and antithrombotic resumption. The area under the ROC (AUROC) curve was 0.75 (95% CI: 0.65-0.85) for ACCI and 0.64 (95% CI: 0.52-0.76) for mFI - 5. The optimal cutoffs for predicting resolution were ACCI ≥5 (sensitivity = 0.63, specificity = 0.77), and mFI - 5 > 0 (sensitivity = 0.84, specificity = 0.43). CONCLUSIONS ACCI and mFI - 5 moderately predict MMAE resolution and may aid in medical decision-making.
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Affiliation(s)
- Rahul K Chaliparambil
- Department of Neurological Surgery, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Khizar R Nandoliya
- Department of Neurological Surgery, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Babak S Jahromi
- Department of Neurological Surgery, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA; Department of Radiology, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA; Ken and Ruth Davee Department of Neurology, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Matthew B Potts
- Department of Neurological Surgery, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA; Department of Radiology, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA; Ken and Ruth Davee Department of Neurology, Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.
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Khazanchi R, Nandoliya KR, Shahin MN, Rae AI, Chaliparambil RK, Bowden SG, Alwakeal A, Lopez Ramos CG, Stedelin B, Youngblood MW, Chandler JP, Lukas RV, Sanusi OR, Dogan A, Wood MD, Han SJ, Magill ST. Obesity and meningioma: a US population-based study paired with analysis of a multi-institutional cohort. J Neurosurg 2024:1-10. [PMID: 38241687 DOI: 10.3171/2023.11.jns23732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 11/13/2023] [Indexed: 01/21/2024]
Abstract
OBJECTIVE Whether obesity is associated with meningioma and the impact of obesity by gender has been debated. The primary objective of this study was to investigate differences in BMI between male and female patients undergoing craniotomy for meningioma and compare those with patients undergoing craniotomy for other intracranial tumors. The secondary objective was to compare meningioma location and progression-free survival (PFS) between obese and nonobese patients in a multi-institutional cohort. METHODS National data were obtained from the National Surgical Quality Improvement Program (NSQIP) database. Male and female patients were analyzed separately. Patients undergoing craniotomies for meningioma were compared with patients of the same sex undergoing craniotomies for other intracranial tumors. Institutional data from two academic centers were collected for all male and an equivalent number of female meningioma patients undergoing meningioma resection. Multivariate regression controlling for age was used to determine differences in meningioma location. Kaplan-Meier curves and log-rank tests were computed to investigate differences in PFS. RESULTS From NSQIP, 4163 male meningioma patients were compared with 24,266 controls, and 9372 female meningioma patients were compared with 21,538 controls. Male and female patients undergoing meningioma resection were more likely to be overweight or obese compared with patients undergoing craniotomy for other tumors, with the odds ratio increasing with increasing weight class (all p < 0.0001). In the multi-institutional cohort, meningiomas were more common along the skull base in male patients (p = 0.0123), but not in female patients (p = 0.1246). There was no difference in PFS between obese and nonobese male (p = 0.4104) or female (p = 0.5504) patients. Obesity was associated with increased risk of pulmonary embolism in both male and female patients undergoing meningioma resection (p = 0.0043). CONCLUSIONS Male and female patients undergoing meningioma resection are more likely to be obese than patients undergoing craniotomy for other intracranial tumors. Obese males are more likely to have meningiomas in the skull base compared with other locations, but this association was not found in females. There was no significant difference in PFS among obese patients. The mechanism by which obesity increases meningioma incidence remains to be determined.
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Affiliation(s)
- Rushmin Khazanchi
- 1Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Khizar R Nandoliya
- 1Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Maryam N Shahin
- 2Department of Neurological Surgery, Oregon Health & Science University, Portland, Oregon
| | - Ali I Rae
- 2Department of Neurological Surgery, Oregon Health & Science University, Portland, Oregon
| | - Rahul K Chaliparambil
- 1Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Stephen G Bowden
- 2Department of Neurological Surgery, Oregon Health & Science University, Portland, Oregon
| | - Amr Alwakeal
- 1Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | | | - Brittany Stedelin
- 2Department of Neurological Surgery, Oregon Health & Science University, Portland, Oregon
| | - Mark W Youngblood
- 1Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - James P Chandler
- 1Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Rimas V Lukas
- 3Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, Illinois; and
| | - Olabisi R Sanusi
- 2Department of Neurological Surgery, Oregon Health & Science University, Portland, Oregon
| | - Aclan Dogan
- 2Department of Neurological Surgery, Oregon Health & Science University, Portland, Oregon
| | - Matthew D Wood
- 4Department of Pathology and Laboratory Medicine, Oregon Health & Science University, Portland, Oregon
| | - Seunggu J Han
- 2Department of Neurological Surgery, Oregon Health & Science University, Portland, Oregon
| | - Stephen T Magill
- 1Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
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Nandoliya KR, Sadagopan NS, Thirunavu V, Houskamp EJ, Karras CL, Chaliparambil RK, Sriram N, Jamshidi P, Raleigh DR, Lukas RV, Magill ST. Post-Surgical Prognosis of Patients with Pineoblastoma: A Systematic Review and Individual Patient Data Analysis with Trends over Time. Cancers (Basel) 2023; 15:3374. [PMID: 37444483 DOI: 10.3390/cancers15133374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/12/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
Most of the literature on pineoblastoma consists of case reports and single-institution series. The goal of this systematic review and individual patient data (IPD) analysis was to summarize the existing literature, identify factors associated with overall survival (OS), and provide a contemporary update on prognosis for patients with pineoblastoma. Forty-four studies were identified with 298 patients having IPD. Kaplan-Meier analyses were used to report survival outcomes based on age, tumor metastases, extent of resection (EOR), adjuvant therapy, and publication year. Cox regression was performed to identify independent predictors of time to mortality. Multivariable recursive partitioning analysis was used to identify the most important subgroups associated with mortality. Patients were classified based on publication year before and after the last systematic review on this topic (pre-2012 and 2012 onwards) and compared using univariate and multivariable analyses. This study demonstrates that EOR less-than-gross total resection, metastatic presentation, adjuvant chemotherapy without radiation, and tumor presentation in children less than three years old are associated with poorer prognosis. Since 2012, the 5-year actuarial OS has improved from 32.8% to 56.1%, which remained significant even after accounting for EOR, age, and adjuvant therapy. Pineoblastoma remains a severe rare disease, but survival outcomes are improving.
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Affiliation(s)
- Khizar R Nandoliya
- Department of Neurological Surgery, Malnati Brain Tumor Institute, Northwestern University, Chicago, IL 60611, USA
| | - Nishanth S Sadagopan
- Department of Neurological Surgery, Malnati Brain Tumor Institute, Northwestern University, Chicago, IL 60611, USA
| | - Vineeth Thirunavu
- Department of Neurological Surgery, Malnati Brain Tumor Institute, Northwestern University, Chicago, IL 60611, USA
| | - Ethan J Houskamp
- Department of Neurological Surgery, Malnati Brain Tumor Institute, Northwestern University, Chicago, IL 60611, USA
| | - Constantine L Karras
- Department of Neurological Surgery, Malnati Brain Tumor Institute, Northwestern University, Chicago, IL 60611, USA
| | - Rahul K Chaliparambil
- Department of Neurological Surgery, Malnati Brain Tumor Institute, Northwestern University, Chicago, IL 60611, USA
| | - Nikhil Sriram
- Department of Neurological Surgery, Malnati Brain Tumor Institute, Northwestern University, Chicago, IL 60611, USA
| | - Pouya Jamshidi
- Department of Pathology, Northwestern University, Chicago, IL 60611, USA
| | - David R Raleigh
- Department of Radiation Oncology, University of California San Francisco, San Francisco, CA 94143, USA
- Department of Neurological Surgery, University of California San Francisco, San Francisco, CA 94143, USA
- Department of Pathology, University of California San Francisco, San Francisco, CA 94143, USA
| | - Rimas V Lukas
- Department of Neurology, Malnati Brain Tumor Institute, Northwestern University, Chicago, IL 60611, USA
| | - Stephen T Magill
- Department of Neurological Surgery, Malnati Brain Tumor Institute, Northwestern University, Chicago, IL 60611, USA
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Russell JC, Lei H, Chaliparambil RK, Fish S, Markiewicz SM, Lee TI, Noori A, Kaeberlein M. Generation and characterization of a tractable C. elegans model of tauopathy. GeroScience 2021; 43:2621-2631. [PMID: 34536202 PMCID: PMC8599767 DOI: 10.1007/s11357-021-00436-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 08/09/2021] [Indexed: 12/20/2022] Open
Abstract
Alzheimer's disease(AD) is an age-associated neurodegenerative disease that results in deterioration of memory and cognitive function. As a currently untreatable disorder, AD has emerged as one of the defining biomedical challenges of our time. Thus, new approaches that can examine the cellular and molecular mechanisms underlying age-related AD pathology are sorely needed. One of the hallmarks of Alzheimer's disease is the hyperphosphorylation of the tau protein. Caenorhabditis elegans have been previously used to study the genetic pathways impacted by tau proteotoxic stress; however, currently, available C. elegans tau models express the human protein solely in neurons, which are unresponsive to global RNA interference (RNAi). This limits powerful RNAi screening methods from being utilized effectively in these disease models. Our goal was to develop a C. elegans tau model that has pronounced tau-induced disease phenotypes in cells that can be modified by feeding RNAi methods. Towards this end, we generated a novel C. elegans transgenic line with codon-optimized human 0N4R V337M tau expressed in the body wall muscle under the myo-3 promoter. Immunoblotting experiments revealed that the expressed tau is phosphorylated on epitopes canonically associated with human AD pathology. The tau line has significantly reduced health metrics, including egg laying, growth rate, paralysis, thrashing frequency, crawling speed, and lifespan. These defects are suppressed by RNAi directed against the tau mRNA. Taken together, our results suggest that this alternative tau genetic model could be a useful tool for uncovering the mechanisms that influence the hyperphosphorylation and toxicity of human tau via RNAi screening and other approaches.
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Affiliation(s)
- Joshua C Russell
- Department of Laboratory Medicine & Pathology, University of Washington, Seattle, WA, USA.
| | - Haoyi Lei
- Department of Laboratory Medicine & Pathology, University of Washington, Seattle, WA, USA
| | - Rahul K Chaliparambil
- Department of Laboratory Medicine & Pathology, University of Washington, Seattle, WA, USA
| | | | | | - Ting-I Lee
- Department of Laboratory Medicine & Pathology, University of Washington, Seattle, WA, USA
| | | | - Matt Kaeberlein
- Department of Laboratory Medicine & Pathology, University of Washington, Seattle, WA, USA.
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