ABSTRACT Background Glioblastoma is the most common primary malignant neoplasm of the central nervous system in adults and is characterized by a poor prognosis, especially in the elderly population. In elderly patients, the decision to propose surgical resection must balance the potential oncological benefit against the risk of complications and loss of independence. In this context, preoperative performance status, the extent of neurological deficits, comorbidities, extent of resection, and the possibility of proceeding with adjuvant treatment are particularly relevant. Objective The aim of this study is to analyze the survival of patients aged ≥65 years undergoing surgical treatment for glioblastoma and to identify clinical characteristics useful for candidate selection. In particular, Karnofsky Performance Status (KPS), neurological deficits, comorbidities, tumor location, surgical procedure (GTR or PTR/biopsy), complications, adjuvant treatment, and overall survival (OS) are evaluated. Materials and Methods A single-center retrospective observational study was conducted, including 33 patients aged ≥65 years who underwent surgical treatment for glioblastoma between 2020 and 2024 at the Neurosurgery Clinic of the AOU of Ancona. Demographic data, comorbidities, presenting symptoms, neurological deficits at admission, preoperative KPS, tumor location, surgical procedure (GTR or PTR/biopsy), postoperative complications, treatment of complications, adjuvant therapy, and date of death were collected. OS was calculated from the date of surgery to the date of death. Results The study population included 33 patients, of whom 18 (54.5%) were included in the GTR group and 15 (45.5%) in the PTR/biopsy group. The median overall survival of the entire cohort was 184 days. Median OS was 246 days in the GTR group and 113 days in the PTR/biopsy group; the Kaplan–Meier curves differed significantly (log-rank p=0.007). After adjustment for age, preoperative KPS, and tumor location, GTR remained associated with a lower hazard of death (aHR 0.23; 95% CI: 0.09–0.61; p=0.003). Conclusions In the cohort examined, GTR was associated with longer overall survival compared with PTR/biopsy, even after adjustment for the main available preoperative clinical variables. The result supports the role of maximal safe resection in carefully selected elderly patients, without allowing an automatic causal interpretation given the observational nature of the study.
ABSTRACT Background Il glioblastoma rappresenta la più comune neoplasia maligna primitiva del sistema nervoso centrale nell’adulto ed è caratterizzato da una prognosi sfavorevole, soprattutto nella popolazione anziana. Nei pazienti elderly la decisione di proporre una resezione chirurgica deve bilanciare il possibile beneficio oncologico con il rischio di complicanze e di perdita dell’autonomia. In tale contesto assumono particolare rilievo il performance status preoperatorio, l’entità dei deficit neurologici, le comorbidità, l’estensione della resezione e la possibilità di proseguire con il trattamento adiuvante. Obiettivo Lo studio ha l’obiettivo di analizzare la sopravvivenza dei pazienti di età ≥65 anni sottoposti a trattamento chirurgico per glioblastoma e di identificare le caratteristiche cliniche utili alla selezione dei candidati. In particolare vengono valutati Karnofsky Performance Status (KPS), deficit neurologici, comorbidità, localizzazione tumorale, procedura chirurgica (GTR oppure PTR/biopsia), complicanze, trattamento adiuvante e overall survival (OS). Materiali e Metodi È stato condotto uno studio osservazionale retrospettivo monocentrico comprendente 33 pazienti di età ≥65 anni sottoposti a trattamento chirurgico per glioblastoma nel periodo 2020–2024 presso la Clinica di Neurochirurgia dell’AOU di Ancona. Sono stati raccolti dati demografici, comorbidità, sintomatologia d’esordio, deficit neurologici all’ingresso, KPS preoperatorio, localizzazione tumorale, procedura chirurgica (GTR oppure PTR/biopsia), complicanze postoperatorie, trattamento delle complicanze, terapia adiuvante e data del decesso. L’OS è stata calcolata dalla data dell’intervento alla data del decesso. Risultati La popolazione comprende 33 pazienti, dei quali 18 (54,5%) inclusi nel gruppo GTR e 15 (45,5%) nel gruppo PTR/biopsia. La sopravvivenza globale mediana dell’intera coorte è risultata di 184 giorni. La OS mediana è stata di 246 giorni nel gruppo GTR e di 113 giorni nel gruppo PTR/biopsia; le curve di Kaplan–Meier differivano significativamente (log-rank p=0,007). Dopo aggiustamento per età, KPS preoperatorio e localizzazione tumorale, la GTR è rimasta associata a un minor hazard di morte (aHR 0,23; IC 95%: 0,09–0,61; p=0,003). Conclusioni Nella coorte esaminata, la GTR è risultata associata a una sopravvivenza globale più lunga rispetto a PTR/biopsia, anche dopo l’aggiustamento per le principali variabili cliniche preoperatorie disponibili. Il risultato sostiene il ruolo della resezione massimale sicura nei pazienti elderly accuratamente selezionati, senza consentire un’interpretazione causale automatica data la natura osservazionale dello studio.
ANALISI DELLA SOPRAVVIVENZA E DEI FATTORI CLINICI DI SELEZIONE NEI PAZIENTI ELDERLY (≥65 ANNI) OPERATI PER GLIOBLASTOMA.
MARGA, ANGELA
2025/2026
Abstract
ABSTRACT Background Glioblastoma is the most common primary malignant neoplasm of the central nervous system in adults and is characterized by a poor prognosis, especially in the elderly population. In elderly patients, the decision to propose surgical resection must balance the potential oncological benefit against the risk of complications and loss of independence. In this context, preoperative performance status, the extent of neurological deficits, comorbidities, extent of resection, and the possibility of proceeding with adjuvant treatment are particularly relevant. Objective The aim of this study is to analyze the survival of patients aged ≥65 years undergoing surgical treatment for glioblastoma and to identify clinical characteristics useful for candidate selection. In particular, Karnofsky Performance Status (KPS), neurological deficits, comorbidities, tumor location, surgical procedure (GTR or PTR/biopsy), complications, adjuvant treatment, and overall survival (OS) are evaluated. Materials and Methods A single-center retrospective observational study was conducted, including 33 patients aged ≥65 years who underwent surgical treatment for glioblastoma between 2020 and 2024 at the Neurosurgery Clinic of the AOU of Ancona. Demographic data, comorbidities, presenting symptoms, neurological deficits at admission, preoperative KPS, tumor location, surgical procedure (GTR or PTR/biopsy), postoperative complications, treatment of complications, adjuvant therapy, and date of death were collected. OS was calculated from the date of surgery to the date of death. Results The study population included 33 patients, of whom 18 (54.5%) were included in the GTR group and 15 (45.5%) in the PTR/biopsy group. The median overall survival of the entire cohort was 184 days. Median OS was 246 days in the GTR group and 113 days in the PTR/biopsy group; the Kaplan–Meier curves differed significantly (log-rank p=0.007). After adjustment for age, preoperative KPS, and tumor location, GTR remained associated with a lower hazard of death (aHR 0.23; 95% CI: 0.09–0.61; p=0.003). Conclusions In the cohort examined, GTR was associated with longer overall survival compared with PTR/biopsy, even after adjustment for the main available preoperative clinical variables. The result supports the role of maximal safe resection in carefully selected elderly patients, without allowing an automatic causal interpretation given the observational nature of the study.| File | Dimensione | Formato | |
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https://hdl.handle.net/20.500.12075/28490