Pretransplant pulmonary function tests predict risk of mortality following fractionated total body irradiation and allogeneic peripheral blood stem cell transplant

被引:24
作者
Singh, Anurag K.
Karimpour, Shervin E.
Savani, Bipin N.
Guion, Peter
Hope, Andrew J.
Mansueti, John R.
Ning, Holly
Altemus, Rosemary M.
Wu, Colin O.
Barrett, A. John
机构
[1] NCI, Radiat Oncol Branch, NIH, Bethesda, MD 20892 USA
[2] Washington Univ, Sch Med, Dept Radiat Oncol, Mallinckrodt Inst Radiol,Siteman Canc Ctr, St Louis, MO USA
[3] NHLBI, NIH, Bethesda, MD 20892 USA
来源
INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS | 2006年 / 66卷 / 02期
关键词
total body irradiation; peripheral blood stem cell transplantation; pulmonary function tests; lung shielding; dose reduction;
D O I
10.1016/j.ijrobp.2006.05.023
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Purpose: To determine the value of pulmonary function tests (PFTs) done before peripheral blood stem cell transplant (PBSCT) in predicting mortality after total body irradiation (TBI) performed with or without dose reduction to the lung. Methods and Materials: From 1997 to 2004, 146 consecutive patients with hematologic malignancies received fractionated TBI before BSCT. With regimen A (n = 85), patients were treated without lung dose reduction to 13.6 gray (Gy). In regimen B (n = 35), total body dose was decreased to 12 Gy (1.5 Gy twice per day for 4 days) and lung dose was limited to 9 Gy by use of lung shielding. In regimen C (n = 26), lung dose was reduced to 6 Gy. All patients received PFTs before treatment, 90 days after treatment, and annually. Results: Median follow-up was 44 months (range, 12-90 months). Sixty-one patients had combined ventilation/ diffusion capacity deficits defined as both a forced expiratory volume in the first second (FEV1) and a diffusion capacity of carbon dioxide (DLCO) < 100 % predicted. In this group, there was a 20% improvement in one-year overall survival with lung dose reduction (70 vs. 50%, log-rank test p = 0.042). Conclusion: Among those with combined ventilation/diffusion capacity deficits, lung dose reduction during TBI significantly improved survival. (c) 2006 Elsevier Inc.
引用
收藏
页码:520 / 527
页数:8
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