Total parenteral nutrition and tumor growth in malnourished patients with gastric cancer

被引:21
|
作者
Bozzetti, F
Gavazzi, C
Cozzaglio, L
Costa, A
Spinelli, P
Viola, G
机构
[1] Ist Nazl Tumori, Div Chirurg Apparato Digerente A, I-20133 Milan, Italy
[2] Ist Nazl Studio & Cura Tumori, Unita Supporto Nutz, I-20133 Milan, Italy
[3] Div Chirurg Apparato Digerente Humanitas, Rozzano, MI, Italy
[4] Ist Nazl Studio & Cura Tumori, Div Oncol Sperimentale C, I-20133 Milan, Italy
关键词
cell proliferation; gastric cancer; total parenteral nutrition;
D O I
10.1177/030089169908500303
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Aims and background: Evidence that total parenteral nutrition (TPN) can stimulate tumor growth in humans is scanty and contradictory. The purpose of this study was to evaluate the impact of TPN on tumor cell proliferation in malnourished patients receiving preoperative TPN, Methods: We evaluated variations in the S-phase cell fraction, defined as H-3-thymidine labeling index (TLI), before and after 10 days of TPN or non-administration of nutritional support in 19 malnourished patients (weight loss, greater than or equal to 10%) with gastric cancer. TLI was determined on endoscopic biopsies at the time of diagnosis, and subsequently on the operative specimen or through intraoperative sampling. Results: At diagnosis, a higher median TLI value was observed in the control than in the TPN group. Administration of TPN enhanced tumor cell proliferation in 50% of patients; however, at surgery there was no difference in the median TLI value of the two groups. Conclusions: The TPN regimen seems to be associated with increased tumor cell proliferation, even though this stimulating effect was moderate and at surgery the TLI, of TPN patients and controls were not different. Although the potential stimulation probably has little consequence for patients receiving short-term preoperative nutrition, it may call for further Investigation in cancer patients undergoing long-term home TPN.
引用
收藏
页码:163 / 166
页数:4
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