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	System Oceny Objawów Edmonton (ESAS)	Brief Fatigue Inventory (BFI)
Dziedzina	Pielęgniarstwo onkologiczne	Pielęgniarstwo onkologiczne
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	1991	1999
Twórca	Eduardo Bruera	Tito Mendoza and Charles Cleeland
Typ	Patient self-report multisymptom palliative care scale	Patient self-report brief fatigue scale
Źródło pierwotne	Bruera, E., Kuehn, N., Miller, M. J., Selmser, P., & Macmillan, K. (1991). The Edmonton Symptom Assessment System (ESAS): a simple method for the assessment of palliative care patients. J Palliat Care, 7(2), 6–9.	Mendoza, T. R., Wang, X. S., Cleeland, C. S., et al. (1999). The rapid assessment of fatigue severity in cancer patients: use of the Brief Fatigue Inventory. Cancer, 85(5), 1186–1196.
Inne nazwy	ESAS, Edmonton Symptom Assessment Scale	BFI
Pokrewne	4	5
Podsumowanie	The Edmonton Symptom Assessment System is a rapid, validated 9-item tool that assesses the severity of common symptoms in cancer and palliative care patients: pain, tiredness, nausea, depression, anxiety, drowsiness, appetite loss, general well-being, and shortness of breath. Developed by Bruera and colleagues at the University of Alberta in 1991, the ESAS has become the standard symptom-screening instrument in oncology clinics, palliative care units, and end-of-life care settings worldwide, enabling efficient symptom prioritization and management escalation.	The Brief Fatigue Inventory is a 9-item patient self-report instrument specifically designed for rapid, repeated assessment of cancer-related fatigue severity and its functional impact. Developed by Mendoza, Cleeland, and colleagues at M.D. Anderson Cancer Center in 1999, the BFI is optimized for use in busy oncology clinics, allowing comprehensive fatigue profiling in 2–3 minutes without sacrificing clinical validity.