Abstract
Background
Prognostic factors (e.g., gender, tumor stage, and hypoxia) have an impact on survival in patients with head and neck cancer. Thus, the impact of physical status and comorbidities on treatment decision and survival were evaluated.
Patients and methods
A total of 169 primary, inoperable patients with squamous cell cancer of the head and neck were retrospectively investigated. Patients were treated with hyperfractionated accelerated radio(chemo)therapy (HARcT) or hypofractionated radio(chemo)therapy (HypoRcT). Depending on the individual patient’s situation (Karnofsky Performance Index, KPI), treatment for patients with a KPI of 80–100% was generally radiochemotherapy and for patients with a KPI ≤ 70% treatment was radiotherapy alone. In addition, all comorbidities were evaluated. Uni- and multivariate proportional hazards model were used, and overall survival (OS) was estimated by the Kaplan–Meier method.
Results
Treatment consisted of HARcT for 76 patients (45%), HART for 28 patients (17%), HypoRcT for 14 patients(8%), and HypoRT for 51 patients (30%). Of the patients, 107 patients (63%) presented with a KPI of 80–100%. OS (20%) was significantly better for patients with a KPI of 80–100%, while the OS for patients with a KPI ≤ 70% was 8% (p < 0.001). Good KPI, total irradiation dose (> 70 Gy), and chemotherapy were significant prognostic factors for better OS.
Conclusion
Our retrospective analysis shows that performance status with dependency on comorbidities was an independent risk factor for OS.
Zusammenfassung
Hintergrund
Prognostische Faktoren wie z. B. Geschlecht, Tumorstadium und Hypoxie haben Einfluss auf das Überleben von Patienten mit Kopf-Hals-Tumoren. Wir untersuchten, ob die körperliche Konstitution und Komorbidität die Therapieentscheidung und das Überleben beeinflussen.
Patienten und Methoden
169 primär inoperable Patienten mit Plattenepithelkarzinomen im Kopf-Hals-Bereich wurden retrospektiv ausgewertet. Alle Patienten wurden entweder mit hyperfraktioniert-akzelerierter Radio(chemo)therapie (HARcT) oder hypofraktionierter Radio(chemo)therapie (HypoRcT) behandelt. Abhängig von der individuellen körperlichen Konstitution (Karnofsky Performance Index, KPI) wurde bei KPI 100–80% zumeist mit Radiochemotherapie und bei KPI ≤ 70% häufig mit Radiotherapie allein therapiert. Zusätzlich wurden alle Komorbiditäten der Patienten erfasst. Die uni- und multivariate Cox-Regressions-Analyse wurde verwendet und das Gesamtüberleben (ÜL) mit der Kaplan-Meier-Methode berechnet.
Ergebnisse
76 Patienten (45%) wurden mit HARcT, 28 (17%) mit HART, 14 (8%) mit HypoRcT und 51 (30%) mit HypoRT behandelt. 107 Patienten (63%) waren in einem KPI 100–80%. Das ÜL bei Patienten mit KPI 100–80% war mit 20% im Vergleich zu Patienten mit KPI ≤ 70% mit 8% (p < 0,001) besser. Sehr guter KPI, Enddosis (> 70 Gy) und simultane Chemotherapie waren unabhängige prognostische Faktoren für ein besseres ÜL.
Schlussfolgerungen
Unsere retrospektive Analyse zeigt, dass die körperliche Konstitution (KPI) in Abhängigkeit von Begleiterkrankungen ein unabhängiger, prognostischer Faktor für das Überleben der Patienten war.
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Sadat, F., Wienke, A., Dunst, J. et al. Survival of patients with head and neck cancer. Strahlenther Onkol 188, 62–70 (2012). https://doi.org/10.1007/s00066-011-0009-8
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DOI: https://doi.org/10.1007/s00066-011-0009-8