鼻咽癌患者调强放疗过程中体重变化及影响因素分析

被引：18

作者：

程金建 ^{[1
]}

杨华 ^{[2
]}

陆合明 ^{[1
]}

蒿艳蓉 ^{[1
]}

卢志平 ^{[1
]}

陈甲信 ^{[1
]}

机构：

[1] 广西壮族自治区人民医院肿瘤中心放疗科

[2] 广西医科大学药学院

来源：

肿瘤防治研究 | 2013年 / 40卷 / 08期

关键词：

鼻咽癌; 调强放疗; 体重; 体质指数; 营养;

D O I：

暂无

中图分类号：

R739.63 [咽肿瘤];

学科分类号：

100213 [耳鼻咽喉科学];

摘要：

目的研究鼻咽癌(nasopharyngeal carcinoma,NPC)患者调强放疗(intensity-modulated radio-therapy,IMRT)过程中的体重变化规律及影响因素。方法回顾性分析57例鼻咽癌患者调强放疗过程中体重及身体质量指数(body mass index,BMI)变化,探讨鼻咽癌调强放疗患者体重和BMI变化规律及影响因素。结果 57例患者放疗前后平均体重分别为(60.4±9.4)kg和(55.1±8.7)kg(P=0.0025),变化范围为17kg～-0.5kg;放疗前后BMI分别为(22.8±3.5)kg/m2和(20.8±3.1)kg/m2(P=0.0017),变化范围为6.0kg/m2～-0.2kg/m2。约93.0%患者调强放疗中出现不同程度体重和BMI减轻,平均体重减轻8.4%,35.1%患者体重减轻超过10.0%,68.4%体重减轻超过5.0%,体重减轻百分比范围23.4%～-0.7%。单变量多因素方差分析显示,患者性别、WHO病理分级、AJCC 6th分期、身体状况评分(per-formance status,PS)、是否同期化疗及后程加速超分割放疗(late course accelerated hyperfractionated radiotherapy,LCAFR))对体重和BMI无明显影响(P>0.05),而年龄≥50岁或BMI>25kg/m2或体重>60kg者体重减轻更明显(P<0.05)。线性回归分析每周平均放疗剂量和每周平均体重呈明显负相关(R2=-0.996,P<0.001)。结论鼻咽癌患者调强放疗过程中体重减轻现象非常普遍,性别、WHO病理分级、AJCC6th分期、身体状况评分、是否同期化疗及后程加速超分割放疗对患者体重和BMI变化影响可能较小,而年龄、放疗前体重和BMI、放疗剂量对患者体重和BMI影响更明显。

引用

页码：767 / 771

页数：5

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