Annals of palliative medicine · 2024
Factors associated with non-completion of palliative radiotherapy for spinal metastasis in patients with terminal cancer: a retrospective study.
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Tokiya Ryoji, Nakanishi Kazuo, Okawaki Makoto, Yamamoto Akira, Yamamoto Yutaka, Saisho Shinsuke, Fukuda Yujiro, Nishie Hiroyuki, Teramoto Satomi, Miyaji Yoshiyuki
Аннотация
BACKGROUND: Predictors of non-completion of radiotherapy (RT) should be identified to determine the optimal RT dose. Therefore, this study aimed to explore factors associated with non-completion of palliative RT in patients with terminal cancer.
METHODS: In this retrospective study, patients with terminal cancer who received RT (not including single-fraction RT) for relief of pain caused by spinal metastasis were categorized into complete and incomplete groups. Baseline characteristics, hematologic test data [e.g., total lymphocyte count (TLC)], performance status, palliative performance scale (PPS) score, psoas muscle index (PMI), Charlson comorbidity index, and age-adjusted Charlson comorbidity index of the patients were compared between the two groups.
RESULTS: The complete group comprised 58 patients (median age: 68 years; female/male: 17/41; number of irradiation fractions: ≥2 to <10, 20 patients; 10, 34 patients; and >10, 4 patients), and the incomplete group comprised 9 patients (median age: 68 years; female/male: 3/6; number of irradiation fractions: ≥2 to <10, 2 patients; 10, 7 patients; and >10, 0 patient). The proportion of patient death within 1 week or 1 month was higher in the incomplete group than in the complete group. Compared with that in the incomplete group, TLC measured 1 week before RT (pre-TLC) and PMI recorded before RT were significantly higher in the complete group (P=0.013 and P=0.012, respectively). In multivariable analyses, pre-TLC was significantly associated with the incomplete group (P=0.048). Compared with the complete group, the incomplete group included several patients whose PPS scores rapidly decreased.
CONCLUSIONS: Pre-TLC can predict non-completion of palliative RT in patients with terminal cancer.
METHODS: In this retrospective study, patients with terminal cancer who received RT (not including single-fraction RT) for relief of pain caused by spinal metastasis were categorized into complete and incomplete groups. Baseline characteristics, hematologic test data [e.g., total lymphocyte count (TLC)], performance status, palliative performance scale (PPS) score, psoas muscle index (PMI), Charlson comorbidity index, and age-adjusted Charlson comorbidity index of the patients were compared between the two groups.
RESULTS: The complete group comprised 58 patients (median age: 68 years; female/male: 17/41; number of irradiation fractions: ≥2 to <10, 20 patients; 10, 34 patients; and >10, 4 patients), and the incomplete group comprised 9 patients (median age: 68 years; female/male: 3/6; number of irradiation fractions: ≥2 to <10, 2 patients; 10, 7 patients; and >10, 0 patient). The proportion of patient death within 1 week or 1 month was higher in the incomplete group than in the complete group. Compared with that in the incomplete group, TLC measured 1 week before RT (pre-TLC) and PMI recorded before RT were significantly higher in the complete group (P=0.013 and P=0.012, respectively). In multivariable analyses, pre-TLC was significantly associated with the incomplete group (P=0.048). Compared with the complete group, the incomplete group included several patients whose PPS scores rapidly decreased.
CONCLUSIONS: Pre-TLC can predict non-completion of palliative RT in patients with terminal cancer.