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Ravera B, Lombardi C, Bellavia S, Scala I, Cerulli F, Torchia E, Bortolani S, Rizzo PA, Frisullo G, Broccolini A, Della Marca G, Calabresi P, Monforte M. Temporalis muscle thickness as a predictor of functional outcome after reperfusion therapies for acute ischemic stroke: a retrospective, cohort study. J Neurol 2024:10.1007/s00415-024-12575-y. [PMID: 39028361 DOI: 10.1007/s00415-024-12575-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 07/04/2024] [Accepted: 07/07/2024] [Indexed: 07/20/2024]
Abstract
BACKGROUND Sarcopenia, defined as the loss of skeletal muscle mass, has been associated with a worse functional outcome after stroke. Measurement of temporal muscle thickness (TMT) has been introduced as an easily obtainable surrogate marker to identify patients with sarcopenia. Our study aims to investigate the correlation between pre-stroke sarcopenia, measured by TMT assessment, and functional outcome in patients treated with revascularization procedures for acute ischemic stroke. METHODS We included consecutive adult patients who underwent thrombolysis, endovascular thrombectomy or both for acute ischemic stroke at our Centre from January 2020 to June 2022. Besides collecting baseline clinical and neuroradiological features, TMT was measured on brain computed tomography scans according to a standardized protocol. Modified Rankin Scale (mRS) scores at 3 months represented the main endpoint of functional outcome. RESULTS A total of 261 patients were available for the analysis. In univariate models, patients with excellent outcomes (mRS = 0-1) were younger, had higher TMT values and lower pre-event disability and stroke severity. In multivariate models higher TMT values resulted independently associated with reduced mortality (Odds Ratio 0.708, 95% Confidence Interval 0.538-0.930, p = 0.013). Age, diabetes, brain bleeding events and stroke severity were found to be predictors of mortality, too. CONCLUSIONS Our retrospective analysis shows that in patients who underwent revascularization treatments for ischemic stroke TMT is as an independent predictor of survival easily obtainable from the baseline CT scan. Further investigation is required to confirm the role of sarcopenia assessment and TMT measurement in the prognostication toolkit of this disease.
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Affiliation(s)
| | | | | | - Irene Scala
- Università Cattolica del Sacro Cuore, Rome, Italy
| | | | | | - Sara Bortolani
- Dipartimento Di Neuroscienze, Organi Di Senso E Torace, UOC Di Neurologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Largo Agostino Gemelli, 8, 00168, Rome, Italy
| | | | - Giovanni Frisullo
- Dipartimento Di Neuroscienze, Organi Di Senso E Torace, UOC Di Neurologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Largo Agostino Gemelli, 8, 00168, Rome, Italy
| | - Aldobrando Broccolini
- Università Cattolica del Sacro Cuore, Rome, Italy
- Dipartimento Di Neuroscienze, Organi Di Senso E Torace, UOC Di Neurologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Largo Agostino Gemelli, 8, 00168, Rome, Italy
| | - Giacomo Della Marca
- Università Cattolica del Sacro Cuore, Rome, Italy
- Dipartimento Di Neuroscienze, Organi Di Senso E Torace, UOC Di Neurologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Largo Agostino Gemelli, 8, 00168, Rome, Italy
| | - Paolo Calabresi
- Università Cattolica del Sacro Cuore, Rome, Italy
- Dipartimento Di Neuroscienze, Organi Di Senso E Torace, UOC Di Neurologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Largo Agostino Gemelli, 8, 00168, Rome, Italy
| | - Mauro Monforte
- Dipartimento Di Neuroscienze, Organi Di Senso E Torace, UOC Di Neurologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Largo Agostino Gemelli, 8, 00168, Rome, Italy.
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Olukoya O, Osunronbi T, Jesuyajolu DA, Uwaga BC, Vaughan A, Aluko O, Ayantayo TO, Daniel JO, David SO, Jagunmolu HA, Kanu A, Kayode AT, Olajide TN, Thorne L. The prognostic utility of temporalis muscle thickness measured on magnetic resonance scans in patients with intra-axial malignant brain tumours: A systematic review and meta-analysis. World Neurosurg X 2024; 22:100318. [PMID: 38440376 PMCID: PMC10911852 DOI: 10.1016/j.wnsx.2024.100318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 02/21/2024] [Indexed: 03/06/2024] Open
Abstract
Introduction Sarcopenia is associated with worsened outcomes in solid cancers. Temporalis muscle thickness (TMT) has emerged as a measure of sarcopenia. Hence, this study aims to evaluate the relationship between TMT and outcome measures in patients with malignant intra-axial neoplasms. Method We searched Medline, Embase, Scopus and Cochrane databases for relevant studies. Event ratios with 95% confidence intervals (CI) were analysed using the RevMan 5.4 software. Where meta-analysis was impossible, vote counting was used to determine the effect of TMT on outcomes. The GRADE framework was used to determine the certainty of the evidence. Results Four outcomes were reported for three conditions across 17 studies involving 4430 patients. Glioblastoma: thicker TMT was protective for overall survival (OS) (HR 0.59; 95% CI 0.46-0.76) (GRADE low), progression free survival (PFS) (HR 0.40; 95% CI 0.26-0.62) (GRADE high), and early discontinuation of treatment (OR 0.408; 95% CI 0.168-0.989) (GRADE high); no association with complications (HR 0.82; 95% CI 0.60-1.10) (GRADE low). Brain Metastases: thicker TMT was protective for OS (HR 0.73; 95% CI 0.67-0.78) (GRADE moderate); no association with PFS (GRADE low). Primary CNS Lymphoma: TMT was protective for overall survival (HR 0.34; 95% CI 0.19-0.60) (GRADE moderate) and progression free survival (HR 0.23; 95% CI 0.09-0.56) (GRADE high). Conclusion TMT has significant prognostic potential in intra-axial malignant neoplasms, showing a moderate to high certainty for its association with outcomes following GRADE evaluation. This will enable shared decision making between patients and clinicians.
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Affiliation(s)
- Olatomiwa Olukoya
- Neurosurgery Department, Surgery Interest Group of Africa, Lagos, Nigeria
- The National Hospital for Neurology and Neurosurgery, London, United Kingdom
| | - Temidayo Osunronbi
- Neurosurgery Department, Surgery Interest Group of Africa, Lagos, Nigeria
- Department of Neurosurgery, Royal Hallamshire Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
| | | | - Blossom C. Uwaga
- Neurosurgery Department, Surgery Interest Group of Africa, Lagos, Nigeria
| | - Ayomide Vaughan
- Neurosurgery Department, Surgery Interest Group of Africa, Lagos, Nigeria
| | - Oluwabusayo Aluko
- Neurosurgery Department, Surgery Interest Group of Africa, Lagos, Nigeria
| | | | | | - Samuel O. David
- Neurosurgery Department, Surgery Interest Group of Africa, Lagos, Nigeria
| | | | - Alieu Kanu
- Neurosurgery Department, Surgery Interest Group of Africa, Lagos, Nigeria
| | - Ayomide T. Kayode
- Neurosurgery Department, Surgery Interest Group of Africa, Lagos, Nigeria
| | - Tobi N. Olajide
- Neurosurgery Department, Surgery Interest Group of Africa, Lagos, Nigeria
| | - Lewis Thorne
- The National Hospital for Neurology and Neurosurgery, London, United Kingdom
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Janović A, Miličić B, Antić S, Bracanović Đ, Marković-Vasiljković B. Feasibility of using cross-sectional area of masticatory muscles to predict sarcopenia in healthy aging subjects. Sci Rep 2024; 14:2079. [PMID: 38267441 PMCID: PMC10808244 DOI: 10.1038/s41598-024-51589-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 01/07/2024] [Indexed: 01/26/2024] Open
Abstract
Determination of sarcopenia is crucial in identifying patients at high risk of adverse health outcomes. Recent studies reported a significant decline in masticatory muscle (MM) function in patients with sarcopenia. This study aimed to analyze the cross-sectional area (CSA) of MMs on computed tomography (CT) images and to explore their potential to predict sarcopenia. The study included 149 adult subjects retrospectively (59 males, 90 females, mean age 57.4 ± 14.8 years) who underwent head and neck CT examination for diagnostic purposes. Sarcopenia was diagnosed on CT by measuring CSA of neck muscles at the C3 vertebral level and estimating skeletal muscle index. CSA of MMs (temporal, masseter, medial pterygoid, and lateral pterygoid) were measured bilaterally on reference CT slices. Sarcopenia was diagnosed in 67 (45%) patients. Univariate logistic regression analysis demonstrated a significant association between CSA of all MMs and sarcopenia. In the multivariate logistic regression model, only masseter CSA, lateral pterygoid CSA, age, and gender were marked as predictors of sarcopenia. These parameters were combined in a regression equation, which showed excellent sensitivity and specificity in predicting sarcopenia. The masseter and lateral pterygoid CSA can be used to predict sarcopenia in healthy aging subjects with a high accuracy.
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Affiliation(s)
- Aleksa Janović
- School of Dental Medicine, Center for Diagnostic Imaging, University of Belgrade, 6 Rankeova, 11000, Belgrade, Republic of Serbia.
| | - Biljana Miličić
- School of Dental Medicine, Department of Statistics, University of Belgrade, 2 dr Subotića, 11000, Belgrade, Republic of Serbia
| | - Svetlana Antić
- School of Dental Medicine, Center for Diagnostic Imaging, University of Belgrade, 6 Rankeova, 11000, Belgrade, Republic of Serbia
| | - Đurđa Bracanović
- School of Dental Medicine, Center for Diagnostic Imaging, University of Belgrade, 6 Rankeova, 11000, Belgrade, Republic of Serbia
| | - Biljana Marković-Vasiljković
- School of Dental Medicine, Center for Diagnostic Imaging, University of Belgrade, 6 Rankeova, 11000, Belgrade, Republic of Serbia
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Tang J, Dong Z, Sheng J, Yang P, Zhao W, Xue J, Li Q, Lv L, Lv X. Advances in the relationship between temporal muscle thickness and prognosis of patients with glioblastoma: a narrative review. Front Oncol 2023; 13:1251662. [PMID: 37771443 PMCID: PMC10525700 DOI: 10.3389/fonc.2023.1251662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 08/28/2023] [Indexed: 09/30/2023] Open
Abstract
The most dangerous variety of glioma, glioblastoma, has a high incidence and fatality rate. The prognosis for patients is still bleak despite numerous improvements in treatment approaches. We urgently need to develop clinical parameters that can evaluate patients' conditions and predict their prognosis. Various parameters are available to assess the patient's preoperative performance status and degree of frailty, but most of these parameters are subjective and therefore subject to interobserver variability. Sarcopenia can be used as an objective metric to measure a patient's physical status because studies have shown that it is linked to a bad prognosis in those with cancers. For the purpose of identifying sarcopenia, temporal muscle thickness has demonstrated to be a reliable alternative for a marker of skeletal muscle content. As a result, patients with glioblastoma may use temporal muscle thickness as a potential marker to correlate with the course and fate of their disease. This narrative review highlights and defines the viability of using temporal muscle thickness as an independent predictor of survival in glioblastoma patients, and it evaluates recent research findings on the association between temporal muscle thickness and prognosis of glioblastoma patients.
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Affiliation(s)
- Jinhai Tang
- Department of Radiation Oncology, the First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Zhenghao Dong
- Department of Thoracic Surgery, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Junxiu Sheng
- Department of Radiation Oncology, the First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Ping Yang
- Department of Radiation Oncology, the First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Wanying Zhao
- Department of Radiation Oncology, the First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Juan Xue
- Department of Radiation Oncology, the First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Qizheng Li
- Department of Radiation Oncology, the First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Li Lv
- Department of Pathology, the Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Xiupeng Lv
- Department of Radiation Oncology, the First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
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Haider L, Chung KK, Mangesius S, Furtner J, Ciccarelli O, Chard DT, Barkhof F. The relation of sarcopenia and disability in multiple sclerosis. Mult Scler Relat Disord 2023; 77:104855. [PMID: 37442077 DOI: 10.1016/j.msard.2023.104855] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023]
Abstract
BACKGROUND The relation of sarcopenia and disability in MS is unknown. OBJECTIVE To investigate the relation of temporal muscle thickness (TMT) and disability. METHODS A cohort of 132 people who presented with a clinically isolated syndrome (CIS) suggestive of MS at a mean age of 30.0 years, were prospectively followed clinically and with MRI over 30-years. TMT and expanded disability status scale (EDSS) were assessed at baseline, one- five- ten- fourteen- twenty- and thirty-year follow-up. RESULTS At 30-years, 27 participants remained classified as having had a CIS, 34 converted to relapsing remitting MS, 26 to secondary progressive MS, and 16 had died due to MS. Using linear mixed effect models with subject nested in time, greater annualized TMT-thinning was seen in individuals who developed MS (-0.04 mm/a, 95%CI: -0.07 to -0.01, p = 0.023). In those who converted to MS, a thinner TMT was reached at 14- (p = 0.008), 20- (p = 0.002) and 30-years (p< 0.001). TMT was negatively correlated with EDSS at 20-years (R=-0.18, p = 0.032) and 30-years (R-0.244, p = 0.005). Longitudinally, TMT at earlier timepoints was not predictive for 30-year clinical outcomes. CONCLUSION TMT thinning is accelerated in MS and correlated with disability in later disease stages, but is not predictive of future disability.
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Affiliation(s)
- Lukas Haider
- NMR Research Unit, Queen Square Multiple Sclerosis Centre, University College London Institute of Neurology, United Kingdom; Department of Biomedical Imaging and Image Guided Therapy, Medical University of Vienna, Austria
| | - Karen K Chung
- NMR Research Unit, Queen Square Multiple Sclerosis Centre, University College London Institute of Neurology, United Kingdom.
| | - Stephanie Mangesius
- Department of Neuroradiology, Medical University of Innsbruck, Austria; Neuroimaging Core Facility, Medical University of Innsbruck, Austria
| | - Julia Furtner
- NMR Research Unit, Queen Square Multiple Sclerosis Centre, University College London Institute of Neurology, United Kingdom
| | - Olga Ciccarelli
- NMR Research Unit, Queen Square Multiple Sclerosis Centre, University College London Institute of Neurology, United Kingdom; National Institute for Health Research (NIHR) University College London Hospitals (UCLH) Biomedical Research Centre, United Kingdom
| | - Declan T Chard
- NMR Research Unit, Queen Square Multiple Sclerosis Centre, University College London Institute of Neurology, United Kingdom; National Institute for Health Research (NIHR) University College London Hospitals (UCLH) Biomedical Research Centre, United Kingdom
| | - Frederik Barkhof
- NMR Research Unit, Queen Square Multiple Sclerosis Centre, University College London Institute of Neurology, United Kingdom; National Institute for Health Research (NIHR) University College London Hospitals (UCLH) Biomedical Research Centre, United Kingdom; Centre for Medical Image Computing (CMIC), Department of Medical Physics and Biomedical Engineering, University College London, United Kingdom; Department of Radiology and Nuclear Medicine, VU University Medical Centre, Amsterdam, NL, USA
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Karadag C, Kamp MA, Fischer I, Boogaarts HD, Beseoglu K, Muhammad S, Cornelius JF, Hofmann BB. Initial Temporal Muscle Thickness and Area: Poor Predictors of Neurological Outcome in Aneurysmal Subarachnoid Hemorrhage in a Central European Patient Cohort. J Clin Med 2023; 12:5210. [PMID: 37629252 PMCID: PMC10456053 DOI: 10.3390/jcm12165210] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/07/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
The temporalis muscle area (TMA) has been proclaimed as a surrogate parameter for estimating skeletal muscle mass. Pilot studies in Asian populations suggested temporal muscle thickness (TMT) and TMA as prognostic factors for neurological outcomes in aneurysmal subarachnoid hemorrhage (aSAH) patients. This study aimed to validate these findings in a larger European patient cohort. We retrospectively analyzed age, sex, aneurysm location, treatment, World Federation of Neurosurgical Societies (WFNS) grade, Fisher score, and modified Rankin Score (mRS) at six months in patients with aSAH. TMT and TMA measurements were obtained from initial native CT scans. Logistic regression with the dichotomized six-month mRS as the outcome incorporating TMT, weighted average of TMT, or TMA as predictors was performed. Of the included 478 patients, 66% were female, the mean age was 56, and 48% of patients had an mRS of three to six after six months. The mean TMT at the level of the Sylvian fissure was 5.9 (±1.7) mm in males and 4.8 (±1.8) mm in females. The mean TMA was 234.5 (±107.9) mm2 in females and 380 (±134.1) mm2 in males. WFNS grade (p < 0.001), Fisher score (p < 0.001), and age (p < 0.05) correlated significantly with the mRS after six months. No correlation was found between mRS after six months and the TMT at the Sylvian fissure (p = 0.3), the weighted average of TMT (p = 0.1), or the TMA (p = 0.1). In this central European patient cohort of 478 individuals, no significant associations were found between TMT/TMA and neurological outcomes following aSAH. Further prospective studies in diverse patient populations are necessary to determine the prognostic value of TMA and TMT in aSAH patients.
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Affiliation(s)
- Cihat Karadag
- Department of Neurosurgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
| | - Marcel A. Kamp
- Centre for Palliative and Neuro-Palliative Care, Brandenburg Medical School Theodor Fontane, Campus Rüdersdorf, 15562 Rüdersdorf bei Berlin, Germany
| | - Igor Fischer
- Department of Neurosurgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
| | - Hieronymus D. Boogaarts
- Department of Neurosurgery, Medical Faculty, Radboud University Nijmegen, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands
| | - Kerim Beseoglu
- Department of Neurosurgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
| | - Sajjad Muhammad
- Department of Neurosurgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
| | - Jan F. Cornelius
- Department of Neurosurgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
| | - Björn B. Hofmann
- Department of Neurosurgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
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Yang YW, Zhou YW, Xia X, Jia SL, Zhao YL, Zhou LX, Cao Y, Ge ML. Prognostic value of temporal muscle thickness, a novel radiographic marker of sarcopenia, in patients with brain tumor: A systematic review and meta-analysis. Nutrition 2023; 112:112077. [PMID: 37236042 DOI: 10.1016/j.nut.2023.112077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/24/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023]
Abstract
Sarcopenia has been identified as a prognostic factor among certain types of cancer. However, it is unclear whether there is prognostic value of temporalis muscle thickness (TMT), a potential surrogate for sarcopenia, in adults patients with brain tumors. Therefore, we searched the Medline, Embase, and PubMed to systematically review and meta-analyze the relationship between TMT and overall survival, progression-free survival, and complications in patients with brain tumors and the hazard ratio (HR) or odds ratios (OR), and 95% confidence interval (CI) were evaluated. The quality in prognostic studies (QUIPS) instrument was employed to evaluate study quality. Nineteen studies involving 4570 patients with brain tumors were included for qualitative and quantitative analysis. Meta-analysis revealed thinner TMT was associated with poor overall survival (HR, 1.72; 95% CI, 1.45-2.04; P < 0.01) in patients with brain tumors. Sub-analyses showed that the association existed for both primary brain tumors (HR, 2.02; 95% CI, 1.55-2.63) and brain metastases (HR, 1.39; 95% CI, 1.30-1.49). Moreover, thinner TMT also was the independent predictor of progression-free survival in patients with primary brain tumors (HR, 2.88; 95% CI, 1.85-4.46; P < 0.01). Therefore, to improve clinical decision making it is important to integrate TMT assessment into routine clinical settings in patients with brain tumors.
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Affiliation(s)
- Yan-Wu Yang
- Emergency Department, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yi-Wu Zhou
- Emergency Department, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xin Xia
- Center of Gerontology and Geriatrics (National Clinical Research Center for Geriatrics), West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Shu-Li Jia
- Center of Gerontology and Geriatrics (National Clinical Research Center for Geriatrics), West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yun-Li Zhao
- Center of Gerontology and Geriatrics (National Clinical Research Center for Geriatrics), West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Li-Xing Zhou
- Center of Gerontology and Geriatrics (National Clinical Research Center for Geriatrics), West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yu Cao
- Emergency Department, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Mei-Ling Ge
- Center of Gerontology and Geriatrics (National Clinical Research Center for Geriatrics), West China Hospital, Sichuan University, Chengdu, Sichuan, China.
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Troschel FM, Troschel BO, Kloss M, Troschel AS, Pepper NB, Wiewrodt RG, Stummer W, Wiewrodt D, Theodor Eich H. Cervical body composition on radiotherapy planning computed tomography scans predicts overall survival in glioblastoma patients. Clin Transl Radiat Oncol 2023; 40:100621. [PMID: 37008514 PMCID: PMC10063381 DOI: 10.1016/j.ctro.2023.100621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 03/20/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Background and purpose Glioblastoma (GBM) patients face a strongly unfavorable prognosis despite multimodal therapy regimens. However, individualized mortality prediction remains imprecise. Harnessing routine radiation planning cranial computed tomography (CT) scans, we assessed cervical body composition measures as novel biomarkers for overall survival (OS) in GBM patients. Materials and methods We performed threshold-based semi-automated quantification of muscle and subcutaneous fat cross-sectional area (CSA) at the levels of the first and second cervical vertebral body. First, we tested this method's validity by correlating cervical measures to established abdominal body composition in an open-source whole-body CT cohort. We then identified consecutive patients undergoing radiation planning for recent GBM diagnosis at our institution from 2010 to 2020 and quantified cervical body composition on radiation planning CT scans. Finally, we performed univariable and multivariable time-to-event analyses, adjusting for age, sex, body mass index, comorbidities, performance status, extent of surgical resection, extent of tumor at diagnosis, and MGMT methylation. Results Cervical body composition measurements were well-correlated with established abdominal markers (Spearman's rho greater than 0.68 in all cases). Subsequently, we included 324 GBM patients in our study cohort (median age 63 years, 60.8% male). 293 (90.4%) patients died during follow-up. Median survival time was 13 months. Patients with below-average muscle CSA or above-average fat CSA demonstrated shorter survival. In multivariable analyses, continuous cervical muscle measurements remained independently associated with OS. Conclusion This exploratory study establishes novel cervical body composition measures routinely available on cranial radiation planning CT scans and confirms their association with OS in patients diagnosed with GBM.
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Affiliation(s)
- Fabian M. Troschel
- Department of Radiation Oncology, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
- Corresponding author at: Universitätsklinikum Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany.
| | - Benjamin O. Troschel
- Department of Radiation Oncology, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Maren Kloss
- Department of Neurosurgery, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Amelie S. Troschel
- Department of Medicine II, Klinikum Wolfsburg, Sauerbruchstraße 7, 38440 Wolfsburg, Germany
| | - Niklas B. Pepper
- Department of Radiation Oncology, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Rainer G. Wiewrodt
- Pulmonary Research Division, Münster University, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
- Department of Pulmonary Medicine, Mathias Foundation, Hospitals Rheine and Ibbenbueren, Frankenburgsstrasse 31, 48431 Rheine, Germany
| | - Walter Stummer
- Department of Neurosurgery, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Dorothee Wiewrodt
- Department of Neurosurgery, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Hans Theodor Eich
- Department of Radiation Oncology, Münster University Hospital, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
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Sütcüoğlu O, Erdal ZS, Akdoğan O, Çeltikçi E, Özdemir N, Özet A, Uçar M, Yazıcı O. The possible relation between temporal muscle mass and glioblastoma multiforme prognosis via sarcopenia perspective. Turk J Med Sci 2023; 53:413-419. [PMID: 36945944 PMCID: PMC10388072 DOI: 10.55730/1300-0144.5599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 11/20/2022] [Indexed: 02/26/2023] Open
Abstract
BACKGROUND The optimal sarcopenia measurement method in patients with a diagnosis of glioblastoma multiforme (GBM) is unknown. It has been found that temporal muscle thickness (TMT) may reflect sarcopenia and be associated with survival, but the relationship between temporal muscle area (TMA) and GBM prognosis has never been evaluated before. The primary outcome of the study was to evaluate the relationship between TMA/TMT and overall survival (OS) time in newly diagnosed GBM patients. METHODS The data of patients who presented at the university hospital between January 2009 and January 2019 with a confirmed diagnosis of glioblastoma multiforme at the time of diagnosis were analyzed retrospectively. Temporal muscle thickness and TMA were measured retrospectively from preoperative MRIs of patients diagnosed with GBM. Due to the small number of patients and the failure to determine a cut-off value with acceptable sensitivity and specificity using ROC analysis, the median values were chosen as the cut-off value. The patients were basically divided into two according to their median TMT (6.6 mm) or TMA (452 mm2 ) values, and survival analysis was performed with the Kaplan-Meier analysis. RESULTS The median TMT value was 6.6 mm, and the median TMA value was 452 mm2 . The median overall survival (OS) was calculated as 25.8 months in patients with TMT < 6.6 mm, and 15.8 months in patients with TMT ≥ 6.6 mm (p = 0.29). The median overall survival (OS) of patients with TMA < 452mm2 was 26.3 months, and the group with TMA ≥ 452mm2 was 14.6 months (p = 0.06). The median disease-free survival was 18.3 months (%95 CI: 13.2-23.4) in patients with TMT < 6.6mm, while mDFS was 10.9 (%95 CI: 8.0-13.8) months in patients with TMT ≥ 6.6mm (p = 0.21). The median disease-free survival was found to be 21.0 months (%95 CI: 15.8-26.1) in patients with TMA < 452 mm2 and 10.5 months (%95 CI: 7.8-13.2) in patients with TMA ≥ 452 mm2 (p = 0.018). DISCUSSION No association could be demonstrated between TMT or TMA and OS of GBM patients. In addition, the median DFS was found to be longer in patients with low TMA. There is an unmet need to determine the optimal method of sarcopenia in GBM patients.
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Affiliation(s)
- Osman Sütcüoğlu
- Department of Medical Oncology, Faculty of Medicine, Gazi University, Ankara, Turkey
| | - Zeynep Sezgi Erdal
- Department of Radiology, Faculty of Medicine, Gazi University, Ankara, Turkey
| | - Orhun Akdoğan
- Department of Internal Medicine, Faculty of Medicine, Gazi University, Ankara, Turkey
| | - Emrah Çeltikçi
- Department of Neurosurgery, Faculty of Medicine, Gazi University, Ankara, Turkey
| | - Nuriye Özdemir
- Department of Medical Oncology, Faculty of Medicine, Gazi University, Ankara, Turkey
| | - Ahmet Özet
- Department of Medical Oncology, Faculty of Medicine, Gazi University, Ankara, Turkey
| | - Murat Uçar
- Department of Radiology, Faculty of Medicine, Gazi University, Ankara, Turkey
| | - Ozan Yazıcı
- Department of Medical Oncology, Faculty of Medicine, Gazi University, Ankara, Turkey
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10
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Ten Cate C, Huijs SMH, Willemsen ACH, Pasmans RCOS, Eekers DBP, Zegers CML, Ackermans L, Beckervordersandforth J, van Raak EPM, Anten MHME, Hoeben A, Postma AA, Broen MPG. Correlation of reduced temporal muscle thickness and systemic muscle loss in newly diagnosed glioblastoma patients. J Neurooncol 2022; 160:611-618. [PMID: 36394717 PMCID: PMC9758090 DOI: 10.1007/s11060-022-04180-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 10/21/2022] [Indexed: 11/18/2022]
Abstract
PURPOSE Reduced temporal muscle thickness (TMT) has recently been postulated as a prognostic imaging marker and an objective tool to assess patients frailty in glioblastoma. Our aim is to investigate the correlation of TMT and systemic muscle loss to confirm that TMT is an adequate surrogate marker of sarcopenia in newly diagnosed glioblastoma patients. METHODS TMT was assessed on preoperative MR-images and skeletal muscle area (SMA) was assessed at the third lumbar vertebra on preoperative abdominal CT-scans. Previous published TMT sex-specific cut-off values were used to classify patients as 'patient at risk of sarcopenia' or 'patient with normal muscle status'. Correlation between TMT and SMA was assessed using Spearman's rank correlation coefficient. RESULTS Sixteen percent of the 245 included patients were identified as at risk of sarcopenia. The mean SMA of glioblastoma patients at risk of sarcopenia (124.3 cm2, SD 30.8 cm2) was significantly lower than the mean SMA of patients with normal muscle status (146.3 cm2, SD 31.1 cm2, P < .001). We found a moderate association between TMT and SMA in the patients with normal muscle status (Spearman's rho 0.521, P < .001), and a strong association in the patients at risk of sarcopenia (Spearman's rho 0.678, P < .001). CONCLUSION Our results confirm the use of TMT as a surrogate marker of total body skeletal muscle mass in glioblastoma, especially in frail patients at risk of sarcopenia. TMT can be used to identify patients with muscle loss early in the disease process, which enables the implementation of adequate intervention strategies.
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Affiliation(s)
- Cecil Ten Cate
- Master of Science in Medicine and Clinical Research, Maastricht University, Maastricht, The Netherlands
| | - Sandra M H Huijs
- Department of Neurology Zuyderland Medical Center, Heerlen, The Netherlands
| | - Anna C H Willemsen
- GROW-School for Oncology and Reproduction, Maastricht University, Maastricht, The Netherlands
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center, Maastricht, The Netherlands
- Division of Medical Oncology, Department of Internal Medicine, Maastricht University Medical Center, Maastricht, The Netherlands
| | | | - Daniëlle B P Eekers
- Department of Radiation Oncology (Maastro), GROW School for Oncology and Reproduction, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Catharina M L Zegers
- Department of Radiation Oncology (Maastro), GROW School for Oncology and Reproduction, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Linda Ackermans
- Department of Neurosurgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Jan Beckervordersandforth
- GROW-School for Oncology and Reproduction, Maastricht University, Maastricht, The Netherlands
- Department of Pathology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Elisabeth P M van Raak
- Department of Neurology, Maastricht University Medical Center, P.O. Box 5800, 6202 AZ, Maastricht, The Netherlands
| | - Monique H M E Anten
- GROW-School for Oncology and Reproduction, Maastricht University, Maastricht, The Netherlands
- Department of Neurology, Maastricht University Medical Center, P.O. Box 5800, 6202 AZ, Maastricht, The Netherlands
| | - Ann Hoeben
- GROW-School for Oncology and Reproduction, Maastricht University, Maastricht, The Netherlands
- Division of Medical Oncology, Department of Internal Medicine, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Alida A Postma
- Department of Radiology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Martinus P G Broen
- GROW-School for Oncology and Reproduction, Maastricht University, Maastricht, The Netherlands.
- Department of Neurology, Maastricht University Medical Center, P.O. Box 5800, 6202 AZ, Maastricht, The Netherlands.
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11
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Temporal muscle thickness as an independent prognostic marker in glioblastoma patients—a systematic review and meta-analysis. Neurosurg Rev 2022; 45:3619-3628. [DOI: 10.1007/s10143-022-01892-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 10/03/2022] [Accepted: 11/02/2022] [Indexed: 11/11/2022]
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12
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Cho A, Hennenberg J, Untersteiner H, Hirschmann D, Gatterbauer B, Zöchbauer-Müller S, Hochmair MJ, Preusser M, Rössler K, Dorfer C, Frischer JM, Furtner J. Influence of temporal muscle thickness on the outcome of radiosurgically treated patients with brain metastases from non-small cell lung cancer. J Neurosurg 2022; 137:999-1005. [PMID: 35120324 DOI: 10.3171/2021.12.jns212193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 12/06/2021] [Indexed: 12/25/2022]
Abstract
OBJECTIVE The purpose of this study was to assess the impact of temporal muscle thickness (TMT), a surrogate marker for sarcopenia, in radiosurgically treated patients with brain metastases (BMs) from non-small cell lung cancer (NSCLC). METHODS For 566 patients with BMs from NSCLC in the period between June 2012 and December 2019, TMT values were retrospectively measured on the planning brain magnetic resonance imaging (MRI) studies that had been obtained before their first Gamma Knife radiosurgery treatment (GKRS1). Predefined sex-specific TMT cutoff values were used to stratify the study cohort into patients at risk for sarcopenia and patients with normal muscle status. Cox regression models adjusted for other prognostic parameters were used to evaluate sarcopenia as an independent prognostic factor. RESULTS In sarcopenia patients with a TMT below the sex-specific cutoff values, the risk of death was significantly increased (HR 1.908, 95% CI 1.550-2.349, p < 0.001). In addition, sarcopenia was revealed as an independent prognostic factor even after adjusting for age groups, sex, number of BMs, presence of extracranial metastases, NSCLC subtypes, Karnofsky Performance Status groups, recursive partitioning analysis classes, and concomitant immunotherapy or targeted therapy (HR 1.680, 95% CI 1.347-2.095, p < 0.001). However, patients at risk for sarcopenia showed no significant differences in the estimated mean time until local BM progression after GKRS1, compared to patients with normal muscle status (p = 0.639). CONCLUSIONS TMT obtained from planning MRI studies is an independent prognostic marker in radiosurgically treated patients with BMs from NSCLC and may aid patient stratification in future clinical trials.
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Affiliation(s)
| | - Juliane Hennenberg
- 2Biomedical Imaging and Image-guided Therapy, Medical University of Vienna
| | | | | | | | | | - Maximilian J Hochmair
- 4Department of Respiratory and Critical Care Medicine, Karl Landsteiner Institute of Lung Research and Pulmonary Oncology, Klinik Floridsdorf, Vienna, Austria
| | - Matthias Preusser
- 3Department of Internal Medicine I, Division of Oncology, Medical University of Vienna; and
| | | | | | | | - Julia Furtner
- 2Biomedical Imaging and Image-guided Therapy, Medical University of Vienna
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13
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Association between Temporal Muscle Thickness and Overall Survival in Non-Small Cell Lung Cancer Patients with Brain Metastasis. Curr Oncol 2022; 29:6463-6471. [PMID: 36135077 PMCID: PMC9497949 DOI: 10.3390/curroncol29090508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 12/01/2022] Open
Abstract
Temporal muscle thickness (TMT) has recently been suggested as a novel biomarker of sarcopenia in head and neck malignancies. However, few studies have evaluated TMT as a prognostic marker in patients with brain metastasis. This study investigated the association of TMT with overall survival (OS) in non-small cell lung cancer (NSCLC) patients with brain metastasis. The records of all NSCLC patients with brain metastasis between 2009 and 2018 at St. Vincent’s Hospital were reviewed retrospectively. A total of 221 patients met our eligibility criteria. In the group with TMT thicker than the median, OS was longer than the group with TMT thinner than the median (240 days versus 139 days, p = 0.014). In multivariate analysis, the thicker TMT group had longer survival (HR 0.73 CI 0.56−0.96, p = 0.024). Male (HR 1.58 CI 1.19−2.09, p = 0.002) and older age (≥65 years) (HR 2.05 CI 1.53−2.74, p < 0.001) also showed statistical significance. We also performed subgroup analysis in older patients (≥65 years). In this subgroup of 107 patients, the thicker TMT group also showed longer OS than the thinner TMT group (209 days versus 82 days, p = 0.009). Our findings suggest that TMT can be a useful biomarker for OS in NSCLC patients with brain metastasis.
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14
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Li YX, Hou J, Liu WY. Long-term prognostic significance of sarcopenia in acute ischemic stroke. Medicine (Baltimore) 2022; 101:e30031. [PMID: 36042682 PMCID: PMC9410603 DOI: 10.1097/md.0000000000030031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Because sarcopenia is widely distributed in patients with acute ischemic stroke (AIS) and has not attracted enough attention, this study aims to explore the relationship between sarcopenia defined by temporal muscle thickness (TMT) and physical function and prognosis of patients with AIS. A total of 265 hospitalized nonsurgical AIS patients from 2015 to 2018, with an age range of 28 ~ 92, were analyzed retrospectively. The median value of TMT was used as the risk classification index of sarcopenia. The main results were the relationship between sarcopenia and Essen Stroke Risk Score, National Institutes of Health Stroke Scale, modified Rankin Score, water swallow test, venous thromboembolism assessment of medical inpatients, activities of daily living assessed by Barthel Index, and the relationship between TMT and final survival outcome. The mean TMT of men in the study cohort was higher than that of women. The measured values of TMT among different researchers had good consistency (intraclass correlation coefficient, 0.980; P < .001). After adjusting for confounding variables, logistic regression showed that sarcopenia was associated with Essen Stroke Risk Score (odds ratio, 1.89; P < .05) and Barthel Index (odds ratio, 1.67; P < .05). Kaplan-Meier analysis showed that the survival time of low TMT group was significantly lower than that of high TMT group (36 vs 49 months; P < .001). Multivariate Cox regression showed that there was causal correlation between sarcopenia and patient death (hazard ratio, 3.54; 95% confidence interval, 1.46-8.58; P < .01). As a potential comprehensive index, thickness of temporal muscle can be included in baseline evaluation to show the physical status, stroke recurrence, and survival prognosis of AIS patients.
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Affiliation(s)
- Yu-Xuan Li
- Image center, the First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Juan Hou
- Image center, the First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Wen-Ya Liu
- Image center, the First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
- *Correspondence: Wen-Ya Liu, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China (e-mail: )
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15
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Wang W, Liu W, Xu J, Jin H. MiR-33a targets FOSL1 and EN2 as a clinical prognostic marker for sarcopenia by glioma. Front Genet 2022; 13:953580. [PMID: 36061185 PMCID: PMC9428793 DOI: 10.3389/fgene.2022.953580] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 07/25/2022] [Indexed: 01/30/2023] Open
Abstract
To determine the relationship between glioma and muscle aging and to predict prognosis by screening for co-expressed genes, this study examined the relationship between glioma and sarcopenia. The study identified eight co-downregulated miRNAs, three co-upregulated miRNAs, and seven genes associated with overall glioma survival, namely, KRAS, IFNB1, ALCAM, ERBB2, STAT3, FOSL1, and EN2. With a multi-factor Cox regression model incorporating FOSL1 and EN2, we obtained ROC curves of 0.702 and 0.709, respectively, suggesting that glioma prognosis can be predicted by FOSL1 and EN2, which are differentially expressed in both cancer and aged muscle. FOSL1 and EN2 were analyzed using Gene Set Enrichment Analysis to identify possible functional pathways. RT-qPCR and a dual-luciferase reporter gene system verified that hsa-miR-33a targets FOSL1 and EN2. We found that hsa-mir-33a co-targeting FOSL1 and EN2 has a good predictive value for glioblastoma and skeletal muscle reduction.
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16
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Morshed RA, Young JS, Casey M, Wang EJ, Aghi MK, Berger MS, Hervey-Jumper SL. Sarcopenia Diagnosed Using Masseter Muscle Diameter as a Survival Correlate in Elderly Patients with Glioblastoma. World Neurosurg 2022; 161:e448-e463. [PMID: 35181534 PMCID: PMC9284942 DOI: 10.1016/j.wneu.2022.02.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 02/08/2022] [Accepted: 02/09/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND Elderly patients with glioblastoma (GBM) have a worse prognosis than do younger patients. The present study aimed to identify the patient, treatment, and imaging features, including measures of sarcopenia, associated with worse survival and 90-day postoperative mortality for elderly patients with GBM. METHODS A single-center retrospective study was conducted of patients aged ≥79 years at surgery who had undergone biopsy or resection of a World Health Organization grade IV GBM at the initial diagnosis. Imaging features of sarcopenia were collected, including the masseter and temporalis muscle diameters. Multivariate analyses were performed to identify factors associated with survival and 30-day complications. RESULTS The cohort included 110 patients with a mean age of 82.8 years at surgery and a median preoperative Karnofsky performance scale score of 80. The majority of patients underwent a surgical resection (66.4%) while a minority underwent biopsy (33.6%). Adjuvant chemo- and/or radiation therapy were used in 72.5% of the cohort. On multivariate analysis, age (hazard ratio [HR], 7.97; 95% confidence interval [CI], 1.63-36.3), adjuvant therapy (RT or TMZ vs. none: HR, 0.12; 95% CI, 0.05-0.3; RT plus TMZ vs. none: HR, 0.05; 95% CI, 0.02-0.14), surgical resection (HR, 0.46; 95% CI, 0.24-0.9), multifocality (HR, 2.7; 95% CI, 1.14-6.4), and masseter diameter (HR, 0.12; 95% CI, 0.02-0.78) were associated with survival. Masseter diameter was the only factor associated with 90-day mortality after surgical resection (P = 0.044). CONCLUSIONS GBM patients over the age of 79 have acceptable outcomes after resection, followed by adjuvant chemotherapy and RT. In addition to the treatment factors that predicted for survival, a decreased masseter diameter on preoperative imaging, a marker of sarcopenia, was associated with shorter overall survival and 90-day mortality after surgical resection.
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Affiliation(s)
- Ramin A Morshed
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA
| | - Jacob S Young
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA
| | - Megan Casey
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA
| | - Elaina J Wang
- Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA
| | - Manish K Aghi
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA
| | - Mitchel S Berger
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA
| | - Shawn L Hervey-Jumper
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, California, USA.
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Lim JX, Lim YG, Kumar A, Cheong TM, Han JX, Chen MW, Wen D, Lim W, Ng IHB, Ng VYP, Kirollos RW, Keong NCH. Relevance of presenting risks of frailty, sarcopaenia and osteopaenia to outcomes from aneurysmal subarachnoid haemorrhage. BMC Geriatr 2022; 22:333. [PMID: 35428266 PMCID: PMC9013113 DOI: 10.1186/s12877-022-03005-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 03/30/2022] [Indexed: 11/25/2022] Open
Abstract
Introduction Aneurysmal subarachnoid haemorrhage (aSAH) is a condition with significant morbidity and mortality. Traditional markers of aSAH have established their utility in the prediction of aSAH outcomes while frailty markers have been validated in other surgical specialties. We aimed to compare the predictive value of frailty indices and markers of sarcopaenia and osteopaenia, against the traditional markers for aSAH outcomes. Methods An observational study in a tertiary neurosurgical unit on 51 consecutive patients with ruptured aSAH was performed. The best performing marker in predicting the modified Rankin scale (mRS) on discharge was selected and an appropriate threshold for the definition of frail and non-frail was derived. We compared various frailty indices (modified frailty index 11, and 5, and the National Surgical Quality Improvement Program score [NSQIP]) and markers of sarcopaenia and osteopaenia (temporalis [TMT] and zygoma thickness), against traditional markers (age, World Federation of Neurological Surgery and modified Fisher scale [MFS]) for aSAH outcomes. Univariable and multivariable analysis was then performed for various inpatient and long-term outcomes. Results TMT was the best performing marker in our cohort with an AUC of 0.82, Somers’ D statistic of 0.63 and Tau statistic 0.25. Of the frailty scores, the NSQIP performed the best (AUC 0.69), at levels comparable to traditional markers of aSAH, such as MFS (AUC 0.68). The threshold of 5.5 mm in TMT thickness was found to have a specificity of 0.93, sensitivity of 0.51, positive predictive value of 0.95 and negative predictive value of 0.42. After multivariate analysis, patients with TMT ≥ 5.5 mm (defined as non-frail), were less likely to experience delayed cerebral ischaemia (OR 0.11 [0.01 – 0.93], p = 0.042), any complications (OR 0.20 [0.06 – 0.069], p = 0.011), and had a larger proportion of favourable mRS on discharge (95.0% vs. 58.1%, p = 0.024) and at 3-months (95.0% vs. 64.5%, p = 0.048). However, the gap between unfavourable and favourable mRS was insignificant at the comparison of 1-year outcomes. Conclusion TMT, as a marker of sarcopaenia, correlated well with the presenting status, and outcomes of aSAH. Frailty, as defined by NSQIP, performed at levels equivalent to aSAH scores of clinical relevance, suggesting that, in patients presenting with acute brain injury, both non-neurological and neurological factors were complementary in the determination of eventual clinical outcomes. Further validation of these markers, in addition to exploration of other relevant frailty indices, may help to better prognosticate aSAH outcomes and allow for a precision medicine approach to decision making and optimization of best outcomes. Supplementary Information The online version contains supplementary material available at 10.1186/s12877-022-03005-7.
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18
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Broen MPG, Beckers R, Willemsen ACH, Huijs SMH, Pasmans RCOS, Eekers DBP, Ackermans L, Beckervordersandforth J, van Raak EPM, Verduin M, Anten MHME, Hoeben A, Postma AA. Temporal muscle thickness as an independent prognostic imaging marker in newly diagnosed glioblastoma patients: a validation study. Neurooncol Adv 2022; 4:vdac038. [PMID: 35475275 PMCID: PMC9034111 DOI: 10.1093/noajnl/vdac038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Background Previous studies have recognized temporal muscle thickness (TMT) as a prognostic marker in glioblastoma, but clinical implementation is hampered due to studies’ heterogeneity and lack of established cutoff values. The aim of this study was to assess the validity of recent proposed sex-specific TMT cutoff values in a real-world population of genotyped primary glioblastoma patients. Methods We measured TMT in preoperative MR images of 328 patients. Sex-specific TMT cutoff values were used to divide patients into “at risk of sarcopenia” or “normal muscle status”. Kaplan-Meier analyses and stepwise multivariate Cox-Regression analyses were used to assess the association with overall survival (OS) and progression-free survival (PFS). The association with occurrence of complications and discontinuation of glioblastoma treatment was investigated using odds ratios (OR). Results Patients at risk of sarcopenia had a significantly higher risk of progression and death than patients with normal muscle status, which remained significant in the multivariate analyses (OS HR = 1.437; 95%CI: 1.046–1.973; P = .025 and PFS HR = 1.453; 95%CI: 1.037–2.036; P = .030). Patients at risk of sarcopenia also had a significantly higher risk of early discontinuation of treatment (OR = 2.45; 95%CI: 1.011–5.952; P = .042) and a significantly lower chance of receiving second-line treatment (OR = 0.23; 95%CI: 0.09–0.60; P = .001). There was no association with the occurrence of complications. Conclusions Our study confirms external validity of the use of proposed sex-specific TMT cutoff values as an independent prognostic marker in newly diagnosed glioblastoma patients. This simple, noninvasive marker could improve patient counseling and aid in treatment decision processes or trial stratification.
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Affiliation(s)
- Martinus P G Broen
- Department of Neurology, Maastricht University Medical Center, Maastricht, Netherlands
- GROW- School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
| | - Rueben Beckers
- Department of Neurology, Zuyderland Medical Center, Heerlen, Netherlands
| | - Anna C H Willemsen
- GROW- School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center, Netherlands
- Division of Medical Oncology, Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands
| | - Sandra M H Huijs
- Department of Neurology, Zuyderland Medical Center, Heerlen, Netherlands
| | | | - Daniëlle B P Eekers
- Department of Radiation Oncology (Maastro), GROW School for Oncology, Maastricht University Medical Center, Maastricht, Netherlands
| | - Linda Ackermans
- Department of Neurosurgery, Maastricht University Medical Center, Maastricht, Netherlands
| | - Jan Beckervordersandforth
- GROW- School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Department of Pathology, Maastricht University Medical Center, Maastricht, Netherlands
| | | | - Maikel Verduin
- GROW- School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Division of Medical Oncology, Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands
| | - Monique H M E Anten
- Department of Neurology, Maastricht University Medical Center, Maastricht, Netherlands
- GROW- School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
| | - Ann Hoeben
- GROW- School for Oncology and Developmental Biology, Maastricht University, Maastricht, Netherlands
- Division of Medical Oncology, Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands
| | - Alida A Postma
- Department of Radiology, Maastricht University Medical Center, Maastricht, Netherlands
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Katsuki M, Kakizawa Y, Nishikawa A, Yamamoto Y, Uchiyama T, Agata M, Wada N, Kawamura S, Koh A. Temporal Muscle and Stroke—A Narrative Review on Current Meaning and Clinical Applications of Temporal Muscle Thickness, Area, and Volume. Nutrients 2022; 14:nu14030687. [PMID: 35277046 PMCID: PMC8840759 DOI: 10.3390/nu14030687] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/31/2022] [Accepted: 02/04/2022] [Indexed: 02/04/2023] Open
Abstract
Background: Evaluating muscle mass and function among stroke patients is important. However, evaluating muscle volume and function is not easy due to the disturbances of consciousness and paresis. Temporal muscle thickness (TMT) has been introduced as a novel surrogate marker for muscle mass, function, and nutritional status. We herein performed a narrative literature review on temporal muscle and stroke to understand the current meaning of TMT in clinical stroke practice. Methods: The search was performed in PubMed, last updated in October 2021. Reports on temporal muscle morphomics and stroke-related diseases or clinical entities were collected. Results: Four studies reported on TMT and subarachnoid hemorrhage, two studies on intracerebral hemorrhage, two studies on ischemic stroke, two studies on standard TMT values, and two studies on nutritional status. TMT was reported as a prognostic factor for several diseases, a surrogate marker for skeletal muscle mass, and an indicator of nutritional status. Computed tomography, magnetic resonance imaging, and ultrasonography were used to measure TMT. Conclusions: TMT is gradually being used as a prognostic factor for stroke or a surrogate marker for skeletal muscle mass and nutritional status. The establishment of standard methods to measure TMT and large prospective studies to further investigate the relationship between TMT and diseases are needed.
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Affiliation(s)
- Masahito Katsuki
- Department of Neurosurgery, Suwa Red Cross Hospital, Suwa 392-8510, Nagano, Japan; (M.K.); (A.N.); (Y.Y.); (T.U.); (M.A.); (N.W.)
- Department of Neurosurgery, Itoigawa General Hospital, Itoigawa 941-0006, Niigata, Japan; (S.K.); (A.K.)
| | - Yukinari Kakizawa
- Department of Neurosurgery, Suwa Red Cross Hospital, Suwa 392-8510, Nagano, Japan; (M.K.); (A.N.); (Y.Y.); (T.U.); (M.A.); (N.W.)
- Correspondence:
| | - Akihiro Nishikawa
- Department of Neurosurgery, Suwa Red Cross Hospital, Suwa 392-8510, Nagano, Japan; (M.K.); (A.N.); (Y.Y.); (T.U.); (M.A.); (N.W.)
| | - Yasunaga Yamamoto
- Department of Neurosurgery, Suwa Red Cross Hospital, Suwa 392-8510, Nagano, Japan; (M.K.); (A.N.); (Y.Y.); (T.U.); (M.A.); (N.W.)
| | - Toshiya Uchiyama
- Department of Neurosurgery, Suwa Red Cross Hospital, Suwa 392-8510, Nagano, Japan; (M.K.); (A.N.); (Y.Y.); (T.U.); (M.A.); (N.W.)
| | - Masahiro Agata
- Department of Neurosurgery, Suwa Red Cross Hospital, Suwa 392-8510, Nagano, Japan; (M.K.); (A.N.); (Y.Y.); (T.U.); (M.A.); (N.W.)
| | - Naomichi Wada
- Department of Neurosurgery, Suwa Red Cross Hospital, Suwa 392-8510, Nagano, Japan; (M.K.); (A.N.); (Y.Y.); (T.U.); (M.A.); (N.W.)
| | - Shin Kawamura
- Department of Neurosurgery, Itoigawa General Hospital, Itoigawa 941-0006, Niigata, Japan; (S.K.); (A.K.)
| | - Akihito Koh
- Department of Neurosurgery, Itoigawa General Hospital, Itoigawa 941-0006, Niigata, Japan; (S.K.); (A.K.)
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Cho J, Park M, Moon WJ, Han SH, Moon Y. Sarcopenia in patients with dementia: correlation of temporalis muscle thickness with appendicular muscle mass. Neurol Sci 2021; 43:3089-3095. [PMID: 34846582 DOI: 10.1007/s10072-021-05728-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 11/10/2021] [Indexed: 01/04/2023]
Abstract
Cognitive decline is one of the most relevant signs of sarcopenia; however, it is challenging to perform tests for sarcopenia in patients with dementia. In a recent study, temporalis muscle thickness (TMT), an alternative to appendicular muscle mass (ASM), was found to be a valid index for screening sarcopenia. This study aimed to determine whether TMT correlates with ASM and evaluate the relationship between TMT and cognitive function in dementia patients. We recruited patients with a complaint of memory loss who visited the Memory Clinic of Konkuk University Medical Center between November 2014 and December 2020. Patients with probable Alzheimer's disease (AD) without weakness were included. TMT was measured on axial T1-weighted magnetic resonance (MR) images, perpendicular to the long axis of the temporal muscle, at the orbital roof level. ASM was measured using body dual-energy X-ray absorptiometry (DXA). It was calculated as the sum of lean soft tissue mass in the arms and legs, and the value by ASM divided by height squared was used. Inter-rater reliability and intra-rater reliability were good and excellent, respectively. We found a correlation between TMT and skeletal ASM, which was obtained from cranial MR images and DXA, respectively (r = 0.379, p = 0.001). TMT was negatively correlated with age (r = - 0.296, p = 0.014) and positively correlated with body mass index (BMI) (r = 0.303, p = 0.012). Additionally, TMT was correlated with MMSE (r = 0.350, p = 0.003). After adjusting for educational years, there was still a correlation between TMT and MMSE (r = 0.256, p = 0.038). This study demonstrated that TMT correlates with ASM and cognitive function in patients with dementia. Measuring TMT using cranial MR images could help diagnose sarcopenia accessibly and assess cognitive function in patients with dementia.
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Affiliation(s)
- Jangho Cho
- Department of Neurology, Konkuk University School of Medicine and Konkuk University Medical Center, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, 05030, South Korea
| | - Mina Park
- Department of Radiology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Won-Jin Moon
- Department of Radiology, Konkuk University School of Medicine and Konkuk University Medical Center, Seoul, South Korea
- Research Institute of Medical Science, Konkuk University of Medicine, Seoul, South Korea
| | - Seol-Heui Han
- Department of Neurology, Konkuk University School of Medicine and Konkuk University Medical Center, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, 05030, South Korea
| | - Yeonsil Moon
- Department of Neurology, Konkuk University School of Medicine and Konkuk University Medical Center, 120-1 Neungdong-ro, Gwangjin-gu, Seoul, 05030, South Korea.
- Research Institute of Medical Science, Konkuk University of Medicine, Seoul, South Korea.
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21
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Wende T, Kasper J, Prasse G, Glass Ä, Kriesen T, Freiman TM, Meixensberger J, Henker C. Newly Diagnosed IDH-Wildtype Glioblastoma and Temporal Muscle Thickness: A Multicenter Analysis. Cancers (Basel) 2021; 13:cancers13225610. [PMID: 34830766 PMCID: PMC8615813 DOI: 10.3390/cancers13225610] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/22/2021] [Accepted: 11/08/2021] [Indexed: 11/19/2022] Open
Abstract
Simple Summary Cancer associated cachexia and loss of skeletal muscle mass is a negative prognostic marker for survival. Temporal muscle thickness (TMT) is an easily accessible parameter that has been suggested as a prognostic marker in glioblastoma. In this multicenter study we retrospectively analyzed a cohort of 335 patients with newly diagnosed glioblastoma for their overall survival (OS) and TMT. Although previous studies found TMT to be an independent prognostic marker for OS, we could not reproduce these results. Instead, TMT seems to be a surrogate parameter for other epidemiological data. Abstract Background: Reduced temporal muscle thickness (TMT) has been discussed as a prognostic marker in IDH-wildtype glioblastoma. This retrospective multicenter study was designed to investigate whether TMT is an independent prognostic marker in newly diagnosed glioblastoma. Methods: TMT was retrospectively measured in 335 patients with newly diagnosed glioblastoma between 1 January 2014 and 31 December 2019 at the University Hospitals of Leipzig and Rostock. The cohort was dichotomized by TMT and tested for association with overall survival (OS) after 12 months by multivariate proportional hazard calculation. Results: TMT of 7.0 mm or more was associated with increased OS (46.3 ± 3.9% versus 36.6 ± 3.9%, p > 0.001). However, the sub-groups showed significant epidemiological differences. In multivariate proportional hazard calculation, patient age (HR 1.01; p = 0.004), MGMT promoter status (HR 0.76; p = 0.002), EOR (HR 0.61), adjuvant irradiation (HR 0.24) and adjuvant chemotherapy (HR 0.40; all p < 0.001) were independent prognostic markers for OS. However, KPS (HR 1.00, p = 0.31), BMI (HR 0.98, p = 0.11) and TMT (HR 1.06; p = 0.07) were not significantly associated with OS. Conclusion: TMT has not appeared as a statistically independent prognostic marker in this cohort of patients with newly diagnosed IDH-wildtype glioblastoma.
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Affiliation(s)
- Tim Wende
- Department of Neurosurgery, University Hospital Leipzig, 04103 Leipzig, Germany; (J.K.); (J.M.)
- Correspondence: ; Tel.: +49-341-9717500; Fax: +49-341-9717509
| | - Johannes Kasper
- Department of Neurosurgery, University Hospital Leipzig, 04103 Leipzig, Germany; (J.K.); (J.M.)
| | - Gordian Prasse
- Department of Neuroradiology, University Hospital Leipzig, 04103 Leipzig, Germany;
| | - Änne Glass
- Institute of Biostatistics and Informatics in Medicine, University Medicine Rostock, 18057 Rostock, Germany;
| | - Thomas Kriesen
- Department of Neurosurgery, University Medical Center Rostock, 18057 Rostock, Germany; (T.K.); (T.M.F.); (C.H.)
| | - Thomas M. Freiman
- Department of Neurosurgery, University Medical Center Rostock, 18057 Rostock, Germany; (T.K.); (T.M.F.); (C.H.)
| | - Jürgen Meixensberger
- Department of Neurosurgery, University Hospital Leipzig, 04103 Leipzig, Germany; (J.K.); (J.M.)
| | - Christian Henker
- Department of Neurosurgery, University Medical Center Rostock, 18057 Rostock, Germany; (T.K.); (T.M.F.); (C.H.)
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22
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Furtner J, Weller M, Weber M, Gorlia T, Nabors B, Reardon DA, Tonn JC, Stupp R, Preusser M. Temporal muscle thickness as a prognostic marker in newly diagnosed glioblastoma patients: translational imaging analysis of the CENTRIC EORTC 26071-22072 and CORE trials. Clin Cancer Res 2021; 28:129-136. [PMID: 34667022 DOI: 10.1158/1078-0432.ccr-21-1987] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 08/20/2021] [Accepted: 10/14/2021] [Indexed: 11/16/2022]
Abstract
PURPOSE To investigate the prognostic relevance of temporal muscle thickness (TMT) as a surrogate parameter of skeletal muscle status in patients with newly diagnosed glioblastoma. METHODS We assessed TMT in cranial magnetic resonance images (MRI) of 755 patients enrolled in the CENTRIC EORTC 26071-22072 study (n=508) and CORE study (n=247). We used predefined sex-specific TMT cutoff values to categorize "patients at risk of sarcopenia" and "patients with normal muscle status" at baseline. Furthermore, we categorized patients according to the extent of TMT loss over time. Associations with progression-free survival (PFS) and overall survival (OS) were evaluated using the Cox model adjusted for other exploratory variables. RESULTS Patients at risk of sarcopenia (CENTRIC; n=158/508, 31.1%; CORE; n=87/247, 35.2%) at baseline had significantly higher risk of progression and death than patients with normal muscle status in both study cohorts (CENTRIC: PFS=HR 0.16, 95% CI: 0.12, 0.21, p<0.001; OS=HR 0.341, 95% CI: 0.27, 0.44, p < 0.001; CORE: PFS=HR 0.29, 95% CI: 0.21, 0.39, p<0.001; OS=HR 0.365, 95% CI: 0.27, 0.49, p<0.001). Similar results were obtained in multivariate Cox models adjusted for other important prognostic parameters. The extent of TMT loss over time showed a significant inverse correlation with median OS times in patients at risk for sarcopenia (CENTRIC: p<0.001, CORE: p=0.005), but not in patients with normal baseline muscle mass (CENTRIC: p=0.538, CORE: p=0.28). CONCLUSION TMT identifies ambulatory patients with newly diagnosed glioblastoma at risk for progressive sarcopenia and adverse outcomes. Early intervention may prevent skeletal muscle loss and improve patient outcome.
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Affiliation(s)
- Julia Furtner
- Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna
| | - Michael Weller
- Laboratory of Molecular Neuro-Oncology, Department of Neurology, University Hospital and University of Zurich
| | - Michael Weber
- Department of Biomedical Imaging and Image-guided Therapy, Division of Molecular and Gender Imaging, Medical University of Vienna
| | - Thierry Gorlia
- Data Center, European Organisation for Research and Treatment of Cancer
| | - Burt Nabors
- Department of Neurology, University of Alabama at Birmingham
| | | | | | - Roger Stupp
- Malnati Brain Tumor Institute and Lurie Cancer Center, Northwestern University, Feinberg School of Medicine
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23
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Temporalis muscle thickness as an indicator of sarcopenia predicts progression-free survival in head and neck squamous cell carcinoma. Sci Rep 2021; 11:19717. [PMID: 34611230 PMCID: PMC8492642 DOI: 10.1038/s41598-021-99201-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 09/22/2021] [Indexed: 12/25/2022] Open
Abstract
Temporalis muscle thickness (TMT) on brain magnetic resonance imaging (MRI) is correlated with sarcopenia and can be a predictive marker for survival in patients with brain tumors, but the association of TMT on head and neck computed tomography (CT) with survival in head and neck squamous cell carcinoma (HNSCC) remains unclear. We investigated whether TMT on CT could predict progression-free survival (PFS) in patients with HNSCC. A total of 106 patients with newly diagnosed HNSCC were included in this retrospective study. The patients underwent baseline head and neck CT and/or MRI between July, 2008 and August, 2018. The correlation between TMT on CT and MRI was tested using intraclass correlation coefficient (ICC). The cut-off value of TMT on CT for determining tumor progression was identified using receiver-operating characteristic curve analysis. Uni- and consecutive multi-variable Cox regression models were used to verify the association between TMT and PFS. TMT on CT and MRI showed excellent correlation (ICC, 0.894). After a mean follow-up of 37 months, 49 out of 106 patients showed locoregional recurrence and/or distant metastasis. The cut-off TMT of 6.47 mm showed good performance in predicting tumor progression (area under the curve, 0.779). The Cox regression model showed that TMT ≤ 6.24 mm (median value in study population) was a significant contributing factor for predicting shorter PFS (hazard ratio 0.399; 95% confidence interval 0.209–0.763; P = .005). TMT may be used as a surrogate parameter for pre-treatment sarcopenia and could help predict PFS in patients with HNSCC.
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24
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Leone R, Sferruzza G, Calimeri T, Steffanoni S, Conte GM, De Cobelli F, Falini A, Ferreri AJM, Anzalone N. Quantitative muscle mass biomarkers are independent prognosis factors in primary central nervous system lymphoma: The role of L3-skeletal muscle index and temporal muscle thickness. Eur J Radiol 2021; 143:109945. [PMID: 34492625 DOI: 10.1016/j.ejrad.2021.109945] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 08/03/2021] [Accepted: 08/29/2021] [Indexed: 01/03/2023]
Abstract
OBJECTIVE To investigate the role of quantitative muscle biomarkers assessed with skeletal muscle index at the third lumbar vertebra (L3-SMI) and temporal muscle thickness (TMT) in predicting progression-free and overall survival in patients with primary central nervous system lymphoma (PCNSL) undergoing first-line high-dose methotrexate-based chemotherapy. METHODS L3-SMI and TMT were calculated on abdominal CT and brain high-resolution 3D-T1-weighted MR images, respectively, using predefined validated methods. Standardized sex-specific cut-off values were used to divide patients in different risk categories. Kaplan-Meier plots were calculated, and survival analysis was performed using log-rank tests, univariate, and multivariable Cox-regression models, calculating hazard ratios (HR) and 95% confidence intervals (CI), also adjusting for potential confounders (age, sex, and performance status). RESULTS Forty-three patients were included in this study. Median follow-up was 23 months (interquartile range 12-40); at median follow-up, rates of progression-free and overall survival for the cohort were 46% and 57%, respectively. Thirteen (30%) and 11 (26%) patients showed L3-SMI or TMT values below the predefined cut-offs. In Cox-regression multivariable analysis patients with low L3-SMI or TMT showed significantly worse progression-free (HR 4.40, 95% CI 1.66-11.61, p = 0.003; HR 4.40, 95% CI 1.68-11.49, p = 0.003, respectively) and overall survival (HR 3.16, 95% CI 1.09-9.11, p = 0.034; HR 4.93, 95% CI 1.78-13.65, p = 0.002, respectively) compared to patients with high L3-SMI or TMT. CONCLUSIONS Quantitative muscle mass evaluation assessed by both L3-SMI and TMT is a promising tool to identify PCNSL patients at high risk of negative outcome. Confirmatory studies on larger independent series are warranted.
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Affiliation(s)
- R Leone
- Department of Neuroradiology, IRCCS San Raffaele Scientific Institute and Vita-Salute San Raffaele University, Via Olgettina 60, 20132 Milan, Italy
| | - G Sferruzza
- Department of Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milan and Vita-Salute San Raffaele University, Via Olgettina 60, 20132 Milan, Italy
| | - T Calimeri
- Lymphoma Unit, Department of Onco-Hematology, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy
| | - S Steffanoni
- Lymphoma Unit, Department of Onco-Hematology, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy
| | - G M Conte
- Department of Radiology, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA
| | - F De Cobelli
- Department of Radiology, IRCCS San Raffaele Scientific Institute and Vita-Salute San Raffaele University, via Olgettina 60, 20132 Milan, Italy
| | - A Falini
- Department of Neuroradiology, IRCCS San Raffaele Scientific Institute and Vita-Salute San Raffaele University, Via Olgettina 60, 20132 Milan, Italy
| | - A J M Ferreri
- Lymphoma Unit, Department of Onco-Hematology, IRCCS San Raffaele Scientific Institute, Via Olgettina 60, 20132 Milan, Italy
| | - N Anzalone
- Department of Neuroradiology, IRCCS San Raffaele Scientific Institute and Vita-Salute San Raffaele University, Via Olgettina 60, 20132 Milan, Italy.
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25
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Yan OY, Teng HB, Fu SN, Chen YZ, Liu F. Temporal Muscle Thickness is an Independent Prognostic Biomarker in Patients with Glioma: Analysis of 261 Cases. Cancer Manag Res 2021; 13:6621-6632. [PMID: 34466032 PMCID: PMC8402956 DOI: 10.2147/cmar.s326232] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 08/06/2021] [Indexed: 02/05/2023] Open
Abstract
Purpose Temporal muscle thickness (TMT) has been proposed as a novel surrogate marker for skeletal muscle mass in head and neck malignancies. This study investigated the TMT prognostic relevance with gliomas and evaluated the influence of TMT values on survival in patients with gliomas of different grades and IDH subtypes. Methods The patients’ TMT was measured on contrast-enhanced T1-weighted magnetic resonance images before surgical treatment. Patients were divided into two cohorts based on their median TMT values. The Kaplan–Meier curve was used to compute the overall survival (OS) of different categories and all gliomas. Univariate and multivariate Cox regression analyses were conducted to assess the association between OS and TMT, hematological markers, and other clinical factors in glioma patients. Moreover, the clinical diagnostic efficiency of single and combination biomarkers was evaluated using receiver operating characteristic curve analysis. Results We retrospectively analyzed 261 patients with newly diagnosed glioma between November 2016 and May 2020 at Hunan Cancer Hospital. Cox analysis indicated that higher TMT (HR 0.286, P< 0.001) and higher KPS score (HR 0.629, P= 0.012) were protective prognostic factors and IDH wildtype status (HR 2.946, P< 0.001), RDW > 12.6 (HR 1.513, P= 0.036), and NLR > 4 (HR 1.560, P= 0.042) were poor prognostic factors for gliomas. Subsequently, patients with thicker TMT were found to have significantly better overall survival (P<0.001) than patients with thinner TMT among WHO III and WHO IV grade and patients with or without IDH mutation. TMT was considered a better single biomarker than recently prevalent hematological biomarkers for predicting high-grade [0.856 (0.797–0.916)] and IDH- wild-type [0.864 (0.786–0.941)] gliomas. Conclusion This study suggests that TMT is a positive biomarker for clinical prognosis in gliomas and that patients with thicker TMT have greater overall survival for gliomas of different grades and IDH subtypes.
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Affiliation(s)
- Ou Ying Yan
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/ Hunan Cancer Hospital, Changsha, Hunan, People's Republic of China
| | - Hai Bo Teng
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Sheng Nan Fu
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/ Hunan Cancer Hospital, Changsha, Hunan, People's Republic of China
| | - Yan Zhu Chen
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/ Hunan Cancer Hospital, Changsha, Hunan, People's Republic of China
| | - Feng Liu
- The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/ Hunan Cancer Hospital, Changsha, Hunan, People's Republic of China
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Guven DC, Aksun MS, Cakir IY, Kilickap S, Kertmen N. The association of BMI and sarcopenia with survival in patients with glioblastoma multiforme. Future Oncol 2021; 17:4405-4413. [PMID: 34409854 DOI: 10.2217/fon-2021-0681] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Background: The association between obesity and sarcopenia (via temporal muscle thickness) with overall survival (OS) has been evaluated in several glioblastoma multiforme studies, however, the data are inconclusive. Methods: The authors conducted meta-analyses via the generic inverse-variance method with a random-effects model. Results: In the pooled analysis of five studies, including 973 patients, patients with lower temporal muscle thickness had significantly decreased OS (HR: 1.62, 95% CI: 1.16-2.28, p = 0.005). The pooled analysis of five studies, including 2131 patients, demonstrated decreased OS in patients with lower BMI compared with patients with obesity (HR: 1.45, 95% CI: 1.12-1.88, p = 0.005). Conclusion: Readily available body composition parameters could be used for prognosis prediction and to aid in treatment decisions in patients with glioblastoma multiforme.
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Affiliation(s)
| | - Melek Seren Aksun
- Department of Internal Medicine, Hacettepe University Faculty of Medicine, Ankara 06230, Turkey
| | - Ibrahim Yahya Cakir
- Department of Internal Medicine, Hacettepe University Faculty of Medicine, Ankara 06230, Turkey
| | - Saadettin Kilickap
- Hacettepe University Cancer Institute, Ankara 06100, Turkey.,Department of Medical Oncology, Istinye University, Istanbul 34010, Turkey
| | - Neyran Kertmen
- Hacettepe University Cancer Institute, Ankara 06100, Turkey
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27
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Ilic I, Faron A, Heimann M, Potthoff AL, Schäfer N, Bode C, Borger V, Eichhorn L, Giordano FA, Güresir E, Jacobs AH, Ko YD, Landsberg J, Lehmann F, Radbruch A, Herrlinger U, Vatter H, Schuss P, Schneider M. Combined Assessment of Preoperative Frailty and Sarcopenia Allows the Prediction of Overall Survival in Patients with Lung Cancer (NSCLC) and Surgically Treated Brain Metastasis. Cancers (Basel) 2021; 13:cancers13133353. [PMID: 34283079 PMCID: PMC8267959 DOI: 10.3390/cancers13133353] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 06/28/2021] [Accepted: 07/01/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Patients with brain metastasis are at a severe stage of cancer, and brain surgery can prevent neurological morbidity. However, the success of brain surgery might require a patient’s physical integrity prior to the operation. In the present study, we asked whether a preoperative physical decline affects survival in patients with brain metastasis from lung cancer. In order to measure the physical condition, we used a commonly-known index—the so-called frailty index—and additionally measured the thickness of a particular masticatory muscle as muscle loss correlates to physical decline. We found that a decreased muscle thickness was accompanied by worsened survival for patients < 65 years and an increased frailty index correlated to worsened survival for patients ≥ 65 years. These results encourage to use of the frailty index and muscle thickness as easily available parameters in order to more sufficiently estimate individual treatment success in patients with metastatic lung cancer. Abstract Neurosurgical resection represents an important therapeutic pillar in patients with brain metastasis (BM). Such extended treatment modalities require preoperative assessment of patients’ physical status to estimate individual treatment success. The aim of the present study was to analyze the predictive value of frailty and sarcopenia as assessment tools for physiological integrity in patients with non-small cell lung cancer (NSCLC) who had undergone surgery for BM. Between 2013 and 2018, 141 patients were surgically treated for BM from NSCLC at the authors’ institution. The preoperative physical condition was assessed by the temporal muscle thickness (TMT) as a surrogate parameter for sarcopenia and the modified frailty index (mFI). For the ≥65 aged group, median overall survival (mOS) significantly differed between patients classified as ‘frail’ (mFI ≥ 0.27) and ‘least and moderately frail’ (mFI < 0.27) (15 months versus 11 months (p = 0.02)). Sarcopenia revealed significant differences in mOS for the <65 aged group (10 versus 18 months for patients with and without sarcopenia (p = 0.036)). The present study confirms a predictive value of preoperative frailty and sarcopenia with respect to OS in patients with NSCLC and surgically treated BM. A combined assessment of mFI and TMT allows the prediction of OS across all age groups.
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Affiliation(s)
- Inja Ilic
- Department of Neurosurgery, University Hospital Bonn, 53127 Bonn, Germany; (M.H.); (A.-L.P.); (V.B.); (E.G.); (H.V.); (P.S.); (M.S.)
- Correspondence: ; Tel.: +49-228-287-16500
| | - Anton Faron
- Department of Radiology, University Hospital Bonn, 53127 Bonn, Germany;
| | - Muriel Heimann
- Department of Neurosurgery, University Hospital Bonn, 53127 Bonn, Germany; (M.H.); (A.-L.P.); (V.B.); (E.G.); (H.V.); (P.S.); (M.S.)
| | - Anna-Laura Potthoff
- Department of Neurosurgery, University Hospital Bonn, 53127 Bonn, Germany; (M.H.); (A.-L.P.); (V.B.); (E.G.); (H.V.); (P.S.); (M.S.)
| | - Niklas Schäfer
- Division of Clinical Neuro-Oncology, Department of Neurology, University Hospital Bonn, 53127 Bonn, Germany; (N.S.); (U.H.)
| | - Christian Bode
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Bonn, 53127 Bonn, Germany; (C.B.); (L.E.); (F.L.)
| | - Valeri Borger
- Department of Neurosurgery, University Hospital Bonn, 53127 Bonn, Germany; (M.H.); (A.-L.P.); (V.B.); (E.G.); (H.V.); (P.S.); (M.S.)
| | - Lars Eichhorn
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Bonn, 53127 Bonn, Germany; (C.B.); (L.E.); (F.L.)
| | - Frank A. Giordano
- Department of Radiation Oncology, University Hospital Bonn, 53127 Bonn, Germany;
| | - Erdem Güresir
- Department of Neurosurgery, University Hospital Bonn, 53127 Bonn, Germany; (M.H.); (A.-L.P.); (V.B.); (E.G.); (H.V.); (P.S.); (M.S.)
| | - Andreas H. Jacobs
- Department of Geriatric Medicine and Neurology, Johanniter Hospital Bonn, 53113 Bonn, Germany;
| | - Yon-Dschun Ko
- Department of Oncology and Hematology, Johanniter Hospital Bonn, 53113 Bonn, Germany;
| | - Jennifer Landsberg
- Department of Dermatology and Allergy, University Hospital Bonn, 53127 Bonn, Germany;
| | - Felix Lehmann
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Bonn, 53127 Bonn, Germany; (C.B.); (L.E.); (F.L.)
| | - Alexander Radbruch
- Department of Neuroradiology, University Hospital Bonn, 53127 Bonn, Germany;
| | - Ulrich Herrlinger
- Division of Clinical Neuro-Oncology, Department of Neurology, University Hospital Bonn, 53127 Bonn, Germany; (N.S.); (U.H.)
| | - Hartmut Vatter
- Department of Neurosurgery, University Hospital Bonn, 53127 Bonn, Germany; (M.H.); (A.-L.P.); (V.B.); (E.G.); (H.V.); (P.S.); (M.S.)
| | - Patrick Schuss
- Department of Neurosurgery, University Hospital Bonn, 53127 Bonn, Germany; (M.H.); (A.-L.P.); (V.B.); (E.G.); (H.V.); (P.S.); (M.S.)
| | - Matthias Schneider
- Department of Neurosurgery, University Hospital Bonn, 53127 Bonn, Germany; (M.H.); (A.-L.P.); (V.B.); (E.G.); (H.V.); (P.S.); (M.S.)
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Sakai K, Katayama M, Nakajima J, Inoue S, Koizumi K, Okada S, Suga S, Nomura T, Matsuura N. Temporal muscle thickness is associated with the severity of dysphagia in patients with acute stroke. Arch Gerontol Geriatr 2021; 96:104439. [PMID: 34090127 DOI: 10.1016/j.archger.2021.104439] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 05/12/2021] [Accepted: 05/19/2021] [Indexed: 11/15/2022]
Abstract
BACKGROUND Post-stroke dysphagia is a common and expensive complication of acute stroke. The relationship between dysphagia and skeletal muscle loss (sarcopenia) has been recently highlighted. This study aimed to determine the relationship between temporal muscle thickness (TMT) measured by head magnetic resonance imaging (MRI) and dysphagia in patients with acute stroke. METHODS Seventy participants (43 men and 27 women; mean age, 75.6 ± 12.7 years) were included in this study. TMT was measured by T2-magnetic resonance images within seven days of hospitalization. The severity of dysphagia was assessed using the Functional Oral Intake Scale (FOIS). Participants were classified into three categories according to the severity of dysphagia (severe: FOIS score, 1-3; mild: FOIS score, 4-6; normal: FOIS score, 7). Linear regression analysis was used to determine the independent explanators of dysphagia severity. RESULTS Twenty participants (28.6%) had severe dysphagia, 31 participants (44.3%) had mild dysphagia, and 19 participants (27.1%) had normal swallowing function at discharge. The results of the linear regression analysis showed that TMT was a significant explanator of dysphagia severity following stroke, along with age and National Institute of Health Stroke Scale (NIHSS) score (P < 0.05, effect size: f2 = 0.72). CONCLUSIONS TMT was an independent risk factor for dysphagia in patients with acute stroke. Skeletal muscle loss may be secondarily involved in dysphagia with acute stroke, and measurement of TMT with head MRI is a useful method to assess skeletal muscle loss.
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Affiliation(s)
- Katsuhiko Sakai
- Department of Oral Medicine and Hospital Dentistry, Tokyo Dental College, 5-11-13, Sugano, Ichikawa, Chiba 272-8513, Japan.
| | - Masateru Katayama
- Division of Neurosurgery, Tokyo Dental College, Ichikawa General Hospital, 5-11-13 Sugano, Ichikawa city, Chiba 272-8513, Japan
| | - Junko Nakajima
- Department of Oral Medicine and Hospital Dentistry, Tokyo Dental College, 5-11-13, Sugano, Ichikawa, Chiba 272-8513, Japan
| | - Satoshi Inoue
- Division of Neurosurgery, Tokyo Dental College, Ichikawa General Hospital, 5-11-13 Sugano, Ichikawa city, Chiba 272-8513, Japan
| | - Kenzo Koizumi
- Division of Neurology, Tokyo Dental College, Ichikawa General Hospital, 5-11-13 Sugano, Ichikawa city, Chiba 272-8513, Japan
| | - Satoshi Okada
- Division of Neurology, Tokyo Dental College, Ichikawa General Hospital, 5-11-13 Sugano, Ichikawa city, Chiba 272-8513, Japan
| | - Sadao Suga
- Division of Neurosurgery, Tokyo Dental College, Ichikawa General Hospital, 5-11-13 Sugano, Ichikawa city, Chiba 272-8513, Japan
| | - Takeshi Nomura
- Department of Oral Oncology, Oral and Maxillofacial Surgery, Tokyo Dental College, 5-11-13, Sugano, Ichikawa, Chiba 272-8513, Japan
| | - Nobuyuki Matsuura
- Department of Oral Medicine and Hospital Dentistry, Tokyo Dental College, 5-11-13, Sugano, Ichikawa, Chiba 272-8513, Japan
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Katsuki M, Narita N, Sasaki K, Sato Y, Suzuki Y, Mashiyama S, Tominaga T. Standard values for temporal muscle thickness in the Japanese population who undergo brain check-up by magnetic resonance imaging. Surg Neurol Int 2021; 12:67. [PMID: 33767871 PMCID: PMC7982108 DOI: 10.25259/sni_3_2021] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Accepted: 02/09/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Skeletal muscle mass is an important factor for various diseases' outcomes. The psoas muscle cross-sectional area on the abdominal computed tomography (CT), gait speed, and handgrip strength is used to measure it. However, it is difficult to measure the neurological patients' muscle mass or function because (1) we do not perform abdominal CT. (2) Such patients have impaired consciousness, gait disturbance, paresis, and need of rest. Temporal muscle thickness (TMT) on magnetic resonance imaging (MRI) is now attractive for skeletal muscle volume indicator, but the reference values are not established. We herein investigated the standard value of the Japanese TMT using the brain check-up database by MRI. METHODS We retrospectively investigated 360 Japanese individuals from two institutions between 2017 and 2019. We measured TMT on the T1-weighted images in the previously reported way. The associations between TMT and other variables were analyzed. RESULTS TMT of 214 women and 146 men, ranging from 35 to 84 years old, was investigated. TMT ranged from 3.69 to 16.90 mm. Mean TMT values were significantly higher in men compared to women except for the over 70-year-old cohort. TMT was correlated to weight and body mass index in both sexes. CONCLUSION This is the first retrospective study on the standard TMT values from the Japanese brain check-up database. Our results were just reference values, but these would be useful for further investigation in other neurosurgical and neurological diseases regarding muscle volume or sarcopenia.
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Affiliation(s)
- Masahito Katsuki
- Department of Neurosurgery, Kesennuma City Hospital, Kesennuma, Miyagi, Japan
| | - Norio Narita
- Department of Neurosurgery, Kesennuma City Hospital, Kesennuma, Miyagi, Japan
| | - Keisuke Sasaki
- Department of Neurosurgery, Iwaki City Medical Center, Iwaki, Fukushima, Japan
| | - Yoshimichi Sato
- Department of Neurosurgery, Iwaki City Medical Center, Iwaki, Fukushima, Japan
| | - Yasuhiro Suzuki
- Department of Neurosurgery, Iwaki City Medical Center, Iwaki, Fukushima, Japan
| | - Shoji Mashiyama
- Department of Neurosurgery, Iwaki City Medical Center, Iwaki, Fukushima, Japan
| | - Teiji Tominaga
- Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
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Evaluation of the Temporal Muscle Thickness as an Independent Prognostic Biomarker in Patients with Primary Central Nervous System Lymphoma. Cancers (Basel) 2021; 13:cancers13030566. [PMID: 33540564 PMCID: PMC7867149 DOI: 10.3390/cancers13030566] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 01/05/2023] Open
Abstract
Simple Summary Primary central nervous system lymphoma (PCNSL) is a rare brain tumor with an exceedingly poor outcome. Although some of the established prognostic parameters in PCNSL patients, such as age, blood-related parameters, or the involvement of deep brain structures, are objectively evaluable, the information about the patient’s physical condition is still based on the subjective perception of the attending physician. The thickness of the temporal muscle has previously shown to be a biomarker of skeletal muscle quantity and quality, and thus be a potential parameter reflecting sarcopenia, which is a main feature of cancer-related cachexia and a well-known prognostic marker in various disease entities. In the current study we show that temporal muscle thickness is an independent and objectively assessable parameter for outcome prognostication in PCNSL patients and may facilitate the selection and stratification of patients for treatment options or clinical trials in the future. Abstract In this study, we assessed the prognostic relevance of temporal muscle thickness (TMT), likely reflecting patient’s frailty, in patients with primary central nervous system lymphoma (PCNSL). In 128 newly diagnosed PCNSL patients TMT was analyzed on cranial magnetic resonance images. Predefined sex-specific TMT cutoff values were used to categorize the patient cohort. Survival analyses, using a log-rank test as well as Cox models adjusted for further prognostic parameters, were performed. The risk of death was significantly increased for PCNSL patients with reduced muscle thickness (hazard ratio of 3.189, 95% CI: 2–097–4.848, p < 0.001). Importantly, the results confirmed that TMT could be used as an independent prognostic marker upon multivariate Cox modeling (hazard ratio of 2.504, 95% CI: 1.608–3.911, p < 0.001) adjusting for sex, age at time of diagnosis, deep brain involvement of the PCNSL lesions, Eastern Cooperative Oncology Group (ECOG) performance status, and methotrexate-based chemotherapy. A TMT value below the sex-related cutoff value at the time of diagnosis is an independent adverse marker in patients with PCNSL. Thus, our results suggest the systematic inclusion of TMT in further translational and clinical studies designed to help validate its role as a prognostic biomarker.
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