1
|
Azab MA. Expression of Anaplastic Lymphoma Kinase (ALK) in glioma and possible clinical correlations. A retrospective institutional study. Cancer Treat Res Commun 2023; 36:100703. [PMID: 37271069 DOI: 10.1016/j.ctarc.2023.100703] [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: 11/21/2022] [Revised: 03/04/2023] [Accepted: 03/31/2023] [Indexed: 06/06/2023]
Abstract
BACKGROUND Glioblastoma is considered the most aggressive primary brain tumor. Recurrence after treatment is a significant problem with a failed response to optimal treatment. The recurrence of GBM is linked to different cellular and molecular pathways. Nationwide, in Egypt, astrocytic tumors are the most commonly diagnosed CNS tumor. Anaplastic Lymphoma Kinase (ALK CD246) is an enzymatic protein (RTK) belonging to the insulin receptors superfamily. METHODS This is a retrospective study including sixty cases of astrocytic tumors (males = 40, mean age = 31.5), (females = 20, mean age = 37.77) obtained through collecting archived paraffin blocks of astrocytic tumor from the Pathology Department, Cairo University Faculty of Medicine during the period from January 2015 till January 2019. All cases were evaluated for ALK expression trying to find any clinical correlations with the clinical data. RESULTS Correlations were made using a scatterplot matrix correlogram. There was a significant correlation between tumor recurrence and ALK expression (r = 0.8, P < 0.01), and incidence of postoperative seizures (r = 0.8, P < 0.05), and between mean age and score tumor (r = 0.8, P < 0.05). CONCLUSION Expression of ALK was found to be abundant among high-grade gliomas and tumor recurrence rate was higher in ALK-positive patients. Further studies are needed to evaluate the potential use of ALK as a prognostic marker in cases of GBM.
Collapse
Affiliation(s)
- Mohammed A Azab
- Department of Neurosurgery, Cairo University Faculty of Medicine, Cairo, Egypt.
| |
Collapse
|
2
|
Jacobs K, Roman E, Lambert J, Moke L, Scheys L, Kesteloot K, Roodhooft F, Cardoen B. Variability drivers of treatment costs in hospitals: A systematic review. Health Policy 2021; 126:75-86. [PMID: 34969532 DOI: 10.1016/j.healthpol.2021.12.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 12/08/2021] [Accepted: 12/14/2021] [Indexed: 12/15/2022]
Abstract
OBJECTIVES Studies on variability drivers of treatment costs in hospitals can provide the necessary information for policymakers and healthcare providers seeking to redesign reimbursement schemes and improve the outcomes-over-cost ratio, respectively. This systematic literature review, focusing on the hospital perspective, provides an overview of studies focusing on variability in treatment cost, an outline of their study characteristics and cost drivers, and suggestions on future research methodology. METHODS We adhered to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses and Cochrane Handbook for Systematic Reviews of Interventions. We searched PubMED/MEDLINE, Web of Science, EMBASE, Scopus, CINAHL, Science direct, OvidSP and Cochrane library. Two investigators extracted and appraised data for citation until October 2020. RESULTS 90 eligible articles were included. Patient, treatment and disease characteristics and, to a lesser extent, outcome and institutional characteristics were identified as significant variables explaining cost variability. In one-third of the studies, the costing method was classified as unclear due to the limited explanation provided by the authors. CONCLUSION Various patient, treatment and disease characteristics were identified to explain hospital cost variability. The limited transparency on how hospital costs are defined is a remarkable observation for studies wherein cost variability is the main focus. Recommendations relating to variables, costs, and statistical methods to consider when designing and conducting cost variability studies were provided.
Collapse
Affiliation(s)
- Karel Jacobs
- KU Leuven, Faculty of Medicine, LIGB (Leuven Institute for Health Policy), Leuven, Belgium; KU Leuven, Faculty of Medicine, IORT (Institute for Orthopaedic Research and Training), Leuven, Belgium; Vlerick Business School, Ghent, Belgium.
| | - Erin Roman
- Vlerick Business School, Ghent, Belgium; KU Leuven, Faculty of Economics and Business, Leuven, Belgium
| | - Jo Lambert
- Ghent University Hospital, department of Dermatology, Ghent, Belgium
| | - Lieven Moke
- KU Leuven, Faculty of Medicine, IORT (Institute for Orthopaedic Research and Training), Leuven, Belgium
| | - Lennart Scheys
- KU Leuven, Faculty of Medicine, IORT (Institute for Orthopaedic Research and Training), Leuven, Belgium
| | - Katrien Kesteloot
- KU Leuven, Faculty of Medicine, LIGB (Leuven Institute for Health Policy), Leuven, Belgium
| | - Filip Roodhooft
- Vlerick Business School, Ghent, Belgium; KU Leuven, Faculty of Economics and Business, Leuven, Belgium
| | - Brecht Cardoen
- Vlerick Business School, Ghent, Belgium; KU Leuven, Faculty of Economics and Business, Leuven, Belgium
| |
Collapse
|
3
|
Lu J, Lou G, Jiang L, Liu X, Jiang J, Wang X. CircNUP98 Suppresses the Maturation of miR-519a-3p in Glioblastoma. Front Neurol 2021; 12:679745. [PMID: 34867700 PMCID: PMC8636316 DOI: 10.3389/fneur.2021.679745] [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: 03/12/2021] [Accepted: 10/14/2021] [Indexed: 01/01/2023] Open
Abstract
Circular RNA (circNUP98) has been reported to promote renal cancer; however, its role in other cancers is unknown. The function of circNUP98 in glioblastoma (GB) cancer was explored in this study. A total of 58 GB tissue samples were collected to study the expression of circNUP98 and miR-519a-3p [both the mature and pre-mature microRNA (miRNA)] by quantitative real-time PCR (RT-qPCR) and heatmap analysis. The subcellular location that expresses circNUP98 was analyzed by nuclear fractionation assay. RNA pull-down assay was performed to evaluate the interaction between circNUP98 and pre-mature miR-519a-3p. Overexpression assays were performed to investigate the role of circNUP98 in the regulation of both the mature and pre-mature miR-519a-3p. The role of circNUP98 and miR-519a-3p in GB cell proliferation was explored by 5-bromo-2-deoxyuridine (BrdU) assay and was assessed in mouse xenograft model. Heatmap analysis showed that circNUP98 and pre-mature miR-519a-3p were upregulated in GB, while mature miR-519a-3p was downregulated in GB. Across the cancer tissues, circNUP98 was inversely correlated with mature miR-519a-3p, but positively correlated with pre-mature miR-519a-3p. In GB cells, circNUP98 was localized to both the nucleus and cytoplasm and it interacted with pre-mature miR-519a-3p. In GB cells, circNUP98 increased the expression levels of pre-mature miR-519a-3p and decreased the expression levels of mature miR-519a-3p. BrdU and cholecystokinin octapeptide (CCK-8) assays illustrated that overexpression of circNUP98 reduced the inhibitory effects of miR-519a-3p on cell proliferation. CircNUP98 contributed to larger tumors, which resulted in significantly reduced mice survival. CircNUP98 suppresses the maturation of miR-519a-3p to promote GB cell proliferation.
Collapse
Affiliation(s)
- Jun Lu
- Department of Neurosurgery, Taizhou People's Hospital, Taizhou, China
| | - Gaojie Lou
- Department of Neurosurgery, Taizhou People's Hospital, Taizhou, China
| | - Lin Jiang
- Department of Neurosurgery, Taizhou People's Hospital, Taizhou, China
| | - Xiaoxing Liu
- Department of Neurosurgery, Taizhou People's Hospital, Taizhou, China
| | - Jianxin Jiang
- Department of Neurosurgery, Taizhou People's Hospital, Taizhou, China
| | - Xiaolin Wang
- Department of Neurosurgery, Taizhou People's Hospital, Taizhou, China
| |
Collapse
|
4
|
Ho ST, Chen TJ, Yeh TC, Kao S, Lin TC, Wang JO. Anesthesia services in Taiwan: A nationwide population-based study. J Chin Med Assoc 2021; 84:713-717. [PMID: 34029215 DOI: 10.1097/jcma.0000000000000553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND This study was conducted to provide an overview of anesthesia services in Taiwan from 2001 to 2010. METHODS A retrospective population-based analysis was performed using data from Taiwan's National Health Insurance Research Database for the period 2001 to 2010. The results were stratified by patient sex, patient age, anesthesia type, and hospital setting. Categorical data are presented as totals and percentages. Linear regression was performed to analyze the anesthesia trends. RESULTS The annual use of anesthesia increased continually from 964,440 instances in 2001 to 1,073,160 in 2010, totaling 10,076,600 cases with a total cost of 25.4 billion USD. The overwhelming majority (83.9%) of anesthesia cases was for anesthesia in an inpatient setting; general anesthesia accounted for 73.8% of anesthesia cases, and female patients outnumbered male patients (52.4% vs 47.6%). The average number of anesthesia cases was 44.2 per thousand of the population annually, but this percentage was much higher in elderly people (100.9 cases per thousand people annually). The annual number of anesthesia cases per thousand of the population increased from 104.4 in 2001 to 113.0 in 2010 in the oldest group (>80 years). By contrast, a considerable decline in use of anesthesia was discovered over the study period among those aged younger than 18 years. CONCLUSION The use of anesthesia services in Taiwan has increased over the years. The relationships of age with anesthesia volume and cost were found to follow an inverse U-shaped pattern. Elderly people used anesthesia services more frequently. The planning of geriatric anesthesia services deserves attention, especially in continually aging societies such as Taiwan.
Collapse
Affiliation(s)
- Shung-Tai Ho
- Department of Anesthesiology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan, ROC
- Department of Anesthesiology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC
| | - Tzeng-Ji Chen
- Department of Family Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Te-Chun Yeh
- Development and Planning Center, Taipei City Hospital, Taipei, Taiwan, ROC
| | - Senyeong Kao
- School of Public Health, National Defense Medical Center, Taipei, Taiwan, ROC
| | - Tso-Chou Lin
- Department of Anesthesiology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC
| | - Ju-O Wang
- School of Public Health, National Defense Medical Center, Taipei, Taiwan, ROC
| |
Collapse
|
5
|
Azab MA, Ghozy S, Hassanein SF, Azzam AY. Specific Preoperative Dynamic Contrast-Enhanced MRI Semi-quantitative Markers Can Correlate With Vascularity in Specific Areas of Glioblastoma Tissue and Predict Recurrence. Cureus 2021; 13:e15528. [PMID: 34277164 PMCID: PMC8269995 DOI: 10.7759/cureus.15528] [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] [Accepted: 06/08/2021] [Indexed: 11/25/2022] Open
Abstract
Background: Glioblastoma is one of the most aggressive tumours despite all advanced therapies. We aimed to investigate the correlation between qualitative markers of dynamic contrast-enhanced magnetic resonance imaging and vascularity in different tumour regions and elucidate their potential in predicting recurrence. Methods: Radiological markers of vascularity as wash-in rate, washout rate, and capillary time to peak in different single tumour regions were extracted for all glioblastoma patients before being surgically resected using preoperative dynamic contrast-enhanced MRI (DCE-MRI). Tissue samples were obtained from different intratumoral regions and peritumoral oedema and evaluated for the vascular endothelial growth factor (VEGF). Results: Two hundred sixty individuals were included in the final analysis, with 180 dead ones and 80 survivors. Radio- and chemo-therapy were received by all surviving patients and 77.8% (n= 140) of the dead ones. The mean time to peak, in seconds, was longest at the peritumoral oedema region (71.7±23.5), followed by the tumour's necrotic centre (50.0±28.5) and its periphery (2.9±1.8). The expression of VEGF at the peritumoral edema region was inversely correlated to the washout rate at the periphery (r= -0.66; P-value= 0.014) and positively correlated to peritumoral TTP (r= 0.94; P-value< 0.001). Conclusion: Using DCE-MRI, VEGF expression may be used as a non-invasive marker to estimate tumour grade for clinical diagnosis and treatment. Moreover, the risk of glioblastoma recurrence could be determined by evaluating the washout rate at the tumour's periphery. Further large-scale studies are needed to validate the results and to have concrete evidence.
Collapse
Affiliation(s)
- Mohammed A Azab
- Department of Biochemistry, Boise State University, Boise, USA.,Neurological Surgery, Cairo University Hospital, Cairo, EGY
| | - Sherief Ghozy
- Neurological Surgery, Faculty of Medicine, Mansoura University, Mansoura, EGY
| | | | - Ahmed Y Azzam
- Neurological Surgery, October 6 University, 6th of October City, EGY
| |
Collapse
|
6
|
Insights into how H19 works in glioma cells. A review article. Cancer Treat Res Commun 2021; 28:100411. [PMID: 34107413 DOI: 10.1016/j.ctarc.2021.100411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/25/2021] [Accepted: 05/26/2021] [Indexed: 11/22/2022]
Abstract
Glioblastoma is a highly aggressive brain tumor and considered to be the most common primary one. Recurrence after treatment is a significant problem, with a survival rate after one year of about 39.7%. The recurrence of GBM is linked to different cellular pathways and molecular signaling. Long non-coding RNA (LncRNA) comprises more than 200 nucleotides and is suggested to play a role in controlling genes that regulate the cell cycle, apoptosis and cellular growth in various tissues. Little is known about LncRNA compared to microRNAs, which are extensively studied in the literature. H19 is one of the most plentiful and conserved transcripts suggested to be involved in mammalian development and tumorigenesis. H19 is one of the LncRNA members transcribed by RNA polymerase II, spliced and polyadenylated, and the product is transferred to the cytoplasm without translation. HI9 maps to 1lp15, a region thought to be relevant to some childhood tumors as embryonal rhabdomyosarcoma and Wilm's Tumor. In these tumors, the analysis of the 11p15 locus showed loss of heterozygosity which is a feature associated with the tumor-suppressing activity. However, the role played by H19 in GBM is still enigmatic and needs further extensive evaluation. Uncovering the hidden role of such molecules in the pathogenesis in glioma will help tailor new targeted therapies that may affect the prognosis and survival of GBM.
Collapse
|
7
|
Azab MA, Azzam AY. Impact of COVID-19 pandemic on the management of glioma patients around the world. An evidence-based review. BRAIN DISORDERS 2021; 2:100012. [PMID: 33997826 PMCID: PMC8106822 DOI: 10.1016/j.dscb.2021.100012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 05/08/2021] [Indexed: 02/06/2023] Open
Abstract
Background The coronavirus pandemic has affected many health care services worldwide since the emergence of the first case in Wuhan. Surgical neuro-oncology care is a fundamental part of hospital services, making it susceptible to strategic changes amid the COVID-19 pandemic. Methods An electronic search on several databases (PubMed/Medline, Scopus, and Google Scholar) from the beginning of the pandemic to the end of 2020, each paper was reviewed independently. The publication inclusion and exclusion criteria were done using Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) guidelines. Results Eight studies were found to be eligible for our meta-analysis. Most of the studies were on a retrospective basis, except one which was retrospective and prospective. An overall of 951 glioma patients’ were included for surgical admission from the beginning of the pandemic until 2020. Seventy-four patients' had mortality outcomes, and 250 patients had complications for both surgical admitted and non-surgical admitted purposes. Conclusions To our knowledge, we made the first systematic review and meta-analysis regarding the management of glioma patients’ during the pandemic of COVID-19. Our main findings are that the number of surgical admissions for glioma patients’ did not significantly differ between COVID-19 negative and COVD-19 positive cases; however, surprisingly, we found that both overall complications and mortality outcomes were more significant COVID-19 negative patients’ from the reported studies.
Collapse
Affiliation(s)
- Mohammed A Azab
- Department of Neurosurgery, Cairo University Faculty of Medicine, Cairo, Egypt
| | - Ahmed Y Azzam
- October 6 University Faculty of Medicine, Giza, Egypt
| |
Collapse
|
8
|
Huq S, Khalafallah AM, Jimenez AE, Gami A, Lam S, Ruiz-Cardozo MA, Oliveira LAP, Mukherjee D. Predicting Postoperative Outcomes in Brain Tumor Patients With a 5-Factor Modified Frailty Index. Neurosurgery 2021; 88:147-154. [PMID: 32803222 DOI: 10.1093/neuros/nyaa335] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Accepted: 05/31/2020] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Frailty indices may represent useful decision support tools to optimize modifiable drivers of quality and cost in neurosurgical care. However, classic indices are cumbersome to calculate and frequently require unavailable data. Recently, a more lean 5-factor modified frailty index (mFI-5) was introduced, but it has not yet been rigorously applied to brain tumor patients. OBJECTIVE To investigate the predictive value of the mFI-5 on length of stay (LOS), complications, and charges in surgical brain tumor patients. METHODS We retrospectively reviewed data for brain tumor patients who underwent primary surgery from 2017 to 2018. Bivariate (ANOVA) and multivariate (logistic and linear regression) analyses assessed the predictive power of the mFI-5 on postoperative outcomes. RESULTS Our cohort included 1692 patients with a mean age of 55.5 yr and mFI-5 of 0.80. Mean intensive care unit (ICU) and total LOS were 1.69 and 5.24 d, respectively. Mean pulmonary embolism (PE)/deep vein thrombosis (DVT), physiological/metabolic derangement, respiratory failure, and sepsis rates were 7.2%, 1.1%, 1.6%, and 1.7%, respectively. Mean total charges were $42 331. On multivariate analysis, each additional point on the mFI-5 was associated with a 0.32- and 1.38-d increase in ICU and total LOS, respectively; increased odds of PE/DVT (odds ratio (OR): 1.50), physiological/metabolic derangement (OR: 3.66), respiratory failure (OR: 1.55), and sepsis (OR: 2.12); and an increase in total charges of $5846. CONCLUSION The mFI-5 is a pragmatic and actionable tool which predicts LOS, complications, and charges in brain tumor patients. It may guide future efforts to risk-stratify patients with subsequent impact on postoperative outcomes.
Collapse
Affiliation(s)
- Sakibul Huq
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Adham M Khalafallah
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Adrian E Jimenez
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Abhishek Gami
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Shravika Lam
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Miguel A Ruiz-Cardozo
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Leonardo A P Oliveira
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Debraj Mukherjee
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| |
Collapse
|
9
|
Azab MA, Alomari A, Azzam AY. Featuring how calcium channels and calmodulin affect glioblastoma behavior. A review article. Cancer Treat Res Commun 2020; 25:100255. [PMID: 33341039 DOI: 10.1016/j.ctarc.2020.100255] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 11/17/2020] [Accepted: 11/30/2020] [Indexed: 12/18/2022]
Abstract
Glioblastoma (GBM) is considered to be the most aggressive primary brain tumor with an extremely bad prognosis. Recurrence after treatment is a major problem with a survival rate for one year ranging about 39.7%. Ideal outcomes are still difficult to be achieved despite the recent treatment combinations. The ultimate capacity to regrow after resection is considered to be related to the availability of self-regenerating populations of stem cells. We made a literature review interpreting how calcium channels and calcium-regulated proteins mechanistically elaborate glioblastoma virulence in different ways. Calcium channels, and calcium-regulated proteins have shown diverse interconnected roles in shaping different aspects of GBM biology as indicated in some experimental studies. The beneficial prospective of those roles granting GBM different aggressive potentials pose variable applications in targeted therapy whether it is experimental or clinical trials.
Collapse
Affiliation(s)
| | | | - Ahmed Y Azzam
- October 6 University Faculty of Medicine, Giza, Egypt.
| |
Collapse
|
10
|
Ius T, Somma T, Altieri R, Angileri FF, Barbagallo GM, Cappabianca P, Certo F, Cofano F, D'Elia A, Della Pepa GM, Esposito V, Fontanella MM, Germanò A, Garbossa D, Isola M, La Rocca G, Maiuri F, Olivi A, Panciani PP, Pignotti F, Skrap M, Spena G, Sabatino G. Is age an additional factor in the treatment of elderly patients with glioblastoma? A new stratification model: an Italian Multicenter Study. Neurosurg Focus 2020; 49:E13. [PMID: 33002864 DOI: 10.3171/2020.7.focus20420] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 07/23/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Approximately half of glioblastoma (GBM) cases develop in geriatric patients, and this trend is destined to increase with the aging of the population. The optimal strategy for management of GBM in elderly patients remains controversial. The aim of this study was to assess the role of surgery in the elderly (≥ 65 years old) based on clinical, molecular, and imaging data routinely available in neurosurgical departments and to assess a prognostic survival score that could be helpful in stratifying the prognosis for elderly GBM patients. METHODS Clinical, radiological, surgical, and molecular data were retrospectively analyzed in 322 patients with GBM from 9 neurosurgical centers. Univariate and multivariate analyses were performed to identify predictors of survival. A random forest approach (classification and regression tree [CART] analysis) was utilized to create the prognostic survival score. RESULTS Survival analysis showed that overall survival (OS) was influenced by age as a continuous variable (p = 0.018), MGMT (p = 0.012), extent of resection (EOR; p = 0.002), and preoperative tumor growth pattern (evaluated with the preoperative T1/T2 MRI index; p = 0.002). CART analysis was used to create the prognostic survival score, forming six different survival groups on the basis of tumor volumetric, surgical, and molecular features. Terminal nodes with similar hazard ratios were grouped together to form a final diagram composed of five classes with different OSs (p < 0.0001). EOR was the most robust influencing factor in the algorithm hierarchy, while age appeared at the third node of the CART algorithm. The ability of the prognostic survival score to predict death was determined by a Harrell's c-index of 0.75 (95% CI 0.76-0.81). CONCLUSIONS The CART algorithm provided a promising, thorough, and new clinical prognostic survival score for elderly surgical patients with GBM. The prognostic survival score can be useful to stratify survival risk in elderly GBM patients with different surgical, radiological, and molecular profiles, thus assisting physicians in daily clinical management. The preliminary model, however, requires validation with future prospective investigations. Practical recommendations for clinicians/surgeons would strengthen the quality of the study; e.g., surgery can be considered as a first therapeutic option in the workflow of elderly patients with GBM, especially when the preoperative estimated EOR is greater than 80%.
Collapse
Affiliation(s)
- Tamara Ius
- 1Neurosurgery Unit, Department of Neurosciences, Santa Maria della Misericordia University Hospital, Udine
| | - Teresa Somma
- 2Division of Neurosurgery, Department of Neurosciences, Reproductive and Odontostomatological Sciences, Università degli Studi di Napoli Federico II, Naples
| | - Roberto Altieri
- 3Department of Medical and Surgical Sciences and Advanced Technologies (G.F. Ingrassia); Neurological Surgery, Policlinico "G. Rodolico - San Marco" University Hospital, University of Catania
| | | | - Giuseppe Maria Barbagallo
- 3Department of Medical and Surgical Sciences and Advanced Technologies (G.F. Ingrassia); Neurological Surgery, Policlinico "G. Rodolico - San Marco" University Hospital, University of Catania.,4Interdisciplinary Research Center on Brain Tumors Diagnosis and Treatment, University of Catania
| | - Paolo Cappabianca
- 2Division of Neurosurgery, Department of Neurosciences, Reproductive and Odontostomatological Sciences, Università degli Studi di Napoli Federico II, Naples
| | - Francesco Certo
- 3Department of Medical and Surgical Sciences and Advanced Technologies (G.F. Ingrassia); Neurological Surgery, Policlinico "G. Rodolico - San Marco" University Hospital, University of Catania.,4Interdisciplinary Research Center on Brain Tumors Diagnosis and Treatment, University of Catania
| | - Fabio Cofano
- 6Department of Neuroscience "Rita Levi Montalcini," Neurosurgery Unit, University of Turin
| | - Alessandro D'Elia
- 7Department of Neurosurgery "Giampaolo Cantore"-IRCSS Neuromed, Pozzilli
| | | | - Vincenzo Esposito
- 7Department of Neurosurgery "Giampaolo Cantore"-IRCSS Neuromed, Pozzilli.,9Department of Human Neurosciences-"Sapienza" University of Rome
| | - Marco Maria Fontanella
- 10Division of Neurosurgery, Department of Surgical Specialties, Radiological Sciences and Public Health, University of Brescia
| | - Antonino Germanò
- 5Division of Neurosurgery, BIOMORF Department, University of Messina
| | - Diego Garbossa
- 6Department of Neuroscience "Rita Levi Montalcini," Neurosurgery Unit, University of Turin
| | | | - Giuseppe La Rocca
- 8Institute of Neurosurgery, Fondazione Policlinico Gemelli, Catholic University, Rome.,13Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy
| | - Francesco Maiuri
- 2Division of Neurosurgery, Department of Neurosciences, Reproductive and Odontostomatological Sciences, Università degli Studi di Napoli Federico II, Naples
| | - Alessandro Olivi
- 8Institute of Neurosurgery, Fondazione Policlinico Gemelli, Catholic University, Rome
| | - Pier Paolo Panciani
- 10Division of Neurosurgery, Department of Surgical Specialties, Radiological Sciences and Public Health, University of Brescia
| | | | - Miran Skrap
- 1Neurosurgery Unit, Department of Neurosciences, Santa Maria della Misericordia University Hospital, Udine
| | | | - Giovanni Sabatino
- 8Institute of Neurosurgery, Fondazione Policlinico Gemelli, Catholic University, Rome.,13Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy
| |
Collapse
|
11
|
Ius T, Pignotti F, Della Pepa GM, Bagatto D, Isola M, Battistella C, Gaudino S, Pegolo E, Chiesa S, Arcicasa M, La Rocca G, Olivi A, Skrap M, Sabatino G. Glioblastoma: from volumetric analysis to molecular predictors. J Neurosurg Sci 2020; 66:173-186. [PMID: 32031360 DOI: 10.23736/s0390-5616.20.04850-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Despite decades of therapeutic and molecular refinements, the prognosis of patients with glioblastoma (GBM) still remains unfavorable. Integrative clinical studies allow a better understanding of the natural evolution of GBM. To assess independent predictors of overall survival (OS) and progression free survival (PFS) clinical, surgical, molecular and radiological variables were evaluated. A novel preoperative volumetric magnetic resonance imaging (MRI) index for tumor prognosis in GBM patients was investigated. METHODS A cohort of 195 cases of patients operated for newly GBM were analyzed. Extent of tumoral resection (EOR), tumor growth pattern, expressed by preoperative volumetric ΔT1-T2 MRI index, molecular markers such as O6-methylguanine-DNA methyltransferase (MGMT) methylation and isocitrate dehydrogenase 1/2 (IDH1/2) mutation, were analyzed. Analysis of survival was done using Cox-proportional hazard models. RESULTS The 1-, 2- years estimated OS and PFS rate for the whole population were 61% and 27%, 38% and 17%, respectively. A better survival rate, both in terms of survival and tumor progression, was observed in patient with higher EOR (p=0.000), younger age (p=0.000), MGMT methylation status (p=0.001) and lower preoperative ΔT1-T2 MRI index (p=0.004). Regarding the tumor growth pattern a cut-off value of 0.75 was found to discriminate patient with different prognosis. Patients with a preoperative ΔT1-T2 MRI index <0.75 had a 1-year estimated OS of 67%, otherwise patients with a preoperative ΔT1-T2 MRI index >0.75 hada 1-year estimated OS of 34%. CONCLUSIONS In this investigation longer survival is associated with younger age, EOR, promoter methylation of MGMT and preoperative tumor volumetric features expressed by ΔT1-T2 MRI index. The preoperative ΔT1-T2 MRI index could be a promising prognostic factor potentially useful in GBM management. Future investigations based on multiparametric MRI data and next generation sequences analysis, may better clarify this result.
Collapse
Affiliation(s)
- Tamara Ius
- Neurosurgery Unit, Department of Neuroscience, Santa Maria della Misericordia University Hospital, Udine, Italy -
| | | | | | - Daniele Bagatto
- Neuroradiology Unit, Department of Diagnostic Imaging ASUIUD Udine, Italy
| | - Miriam Isola
- Department of Medicine, Santa Maria della Misericordia University Hospital, Udine, Italy
| | - Claudio Battistella
- Department of Medicine, Santa Maria della Misericordia University Hospital, Udine, Italy
| | - Simona Gaudino
- Institute of Radiology, Fondazione Policlinico A. Gemelli IRCCS, Rome, Italy
| | - Enrico Pegolo
- Institute of Pathology, Santa Maria della Misericordia University Hospital, Udine, Italy
| | - Silvia Chiesa
- Institute of Radiotherapy, Fondazione Policlinico A. Gemelli IRCCS, Rome, Italy
| | | | | | | | - Miran Skrap
- Neurosurgery Unit, Department of Neuroscience, Santa Maria della Misericordia University Hospital, Udine, Italy
| | - Giovanni Sabatino
- Institute of Neurosurgery, Catholic University, Rome, Italy.,Department of Neurosurgery, Mater Olbia Hospital, Olbia, Italy
| |
Collapse
|