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Short-course palliative radiation therapy leads to excellent bleeding control: A single centre retrospective study.


ABSTRACT: Purpose:To compare and evaluate the utility of varying hemostatic radiotherapy prescriptions for emergent palliation of bleeding tumors. Materials and methods:This retrospective study analyzed 112 consecutive patients treated with radiotherapy for emergent palliation of bleeding tumors at an academic institution. Study endpoints included: primary bleeding control; re-bleeding rate after initial control; treatment interruption rate; overall survival; and death within 30?days of treatment. Results:The most commonly prescribed fractionations were: 20?Gy in 5 fractions, 30?Gy in 10 fractions, and 8?Gy in a single fraction. The overall primary bleeding control rate was 89%. By location, primary bleeding control rates were 89% (31/35), 80% (16/20), 88% (14/16), 93% (13/14), 100% (9/9), and 100% (6/6) for gastrointestinal, genitourinary, head and neck, thoracic, extremity, and gynecologic sites, respectively. The overall re-bleeding rate following initial bleeding control was 25%. Female patients had a significantly reduced risk of bleeding recurrence (HR 0.18 [0.04-0.79], p?=?0.02). Longer fractionation regimens (>5 fractions) were not associated with a reduced incidence of re-bleeding (p?=?0.65), but were associated with more treatment interruptions (p?=?0.02). The 1-year overall survival rate in this population was 24%, with mortality greater in patients with poor performance status (HR 2.99 [1.36-6.58], p?=?0.007). Conclusions:Regardless of prescription, palliative radiotherapy is highly effective for primary bleeding control, with both long and short regimens demonstrating equal hemostatic effect and durability in the emergent setting. Longer radiotherapy regimens (>5 fractions), however, are accompanied by increased treatment interruptions and hospital days. Therefore, shorter hemostatic regimens (<5 fractions) are preferable in this palliative setting, with respect to minimizing treatment burden for patients while achieving symptomatic relief.

SUBMITTER: Sapienza LG 

PROVIDER: S-EPMC6275209 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Short-course palliative radiation therapy leads to excellent bleeding control: A single centre retrospective study.

Sapienza Lucas Gomes LG   Ning Matthew Stephen MS   Jhingran Anuja A   Lin Lilie L LL   Leão Caio Raposo CR   da Silva Bruna Bueno BB   Pellizzon Antônio Cássio de Assis ACA   Gomes Maria José Leite MJL   Baiocchi Glauco G  

Clinical and translational radiation oncology 20181122


<h4>Purpose</h4>To compare and evaluate the utility of varying hemostatic radiotherapy prescriptions for emergent palliation of bleeding tumors.<h4>Materials and methods</h4>This retrospective study analyzed 112 consecutive patients treated with radiotherapy for emergent palliation of bleeding tumors at an academic institution. Study endpoints included: primary bleeding control; re-bleeding rate after initial control; treatment interruption rate; overall survival; and death within 30 days of tre  ...[more]

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