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Multicenter Study
. 2021 Dec;29(12):7541-7549.
doi: 10.1007/s00520-021-06293-8. Epub 2021 Jun 10.

Effects of parenteral nutrition and hydration on survival in advanced cancer patients with malignant bowel obstruction: secondary analysis of a multicenter prospective cohort study

Collaborators, Affiliations
Multicenter Study

Effects of parenteral nutrition and hydration on survival in advanced cancer patients with malignant bowel obstruction: secondary analysis of a multicenter prospective cohort study

Sayaka Arakawa et al. Support Care Cancer. 2021 Dec.

Abstract

Purpose: The benefits of parenteral nutrition and hydration (PNH) in patients with advanced cancer remain unknown. Therefore, we conducted a prospective multicenter cohort study to assess the effects of PNH on survival in patients with malignant bowel obstruction (MBO).

Methods: The present study was a secondary analysis. Data on primary nutritional administration routes during the first week of admission to palliative care units, i.e., parenteral nutrition and parenteral hydration, were obtained. Data on the averaged calorie sufficiency rate/total calorie intake (75% ≤ or 750 kcal/day ≤ , 50-75% or 500-750 kcal/day, 25-50% or 250-500 kcal/day, and < 25% or < 250 kcal/day) were also obtained. Participants with MBO were included and divided into two groups: PNH-high (25% ≤ or 250 kcal/day ≤) and PNH-low (< 25% or < 250 kcal/day). We performed time-to-event analyses using the Kaplan-Meier method, log-rank test, and univariate and multivariate Cox regression analyses.

Results: Patients were divided into the PNH-high (n = 68) and PNH-low (n = 76) groups. A significant difference was observed in survival rates between the two groups (log-rank P < 0.001). Median survival times were 35.5 (95% CI 27-44) and 17.5 (95% CI 13-21) days, respectively. In the multivariate-adjusted model, a significantly lower risk of mortality was observed in Cox's proportional hazard model in the PNH-high group (HR 0.55 (95% CI 0.36-0.83), P = 0.005) than in the PNH-low group.

Conclusion: The present results indicated the beneficial effects of PNH for prolonging survival in advanced cancer patients with MBO in palliative care units.

Keywords: Advanced cancer; Cachexia; Malignant bowel obstruction; Nutritional support; Palliative care; Parenteral nutrition.

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