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目的 :研究食管癌患者红细胞变形能力 (RCD)的变化及其与食管癌病情及预后的关系。方法 :对 10 0例食管癌患者 50例头颈部良性肿瘤患者及 10 0例健康查体者进行RCD测定。结果 :食管癌患者RCD明显低于正常人 (P <0 .0 1) ,病情越重 ,RCD下降越明显。RCD下降与血液粘度增高、RBC膜过氧化性损害加重有关。血液粘度增高及RCD下降有利于肿瘤细胞的附壁、癌性血栓形成 ,使肿瘤免疫失效 ,有利于肿瘤生长及转移。结论 :改善血流变性、提高RCD ,有助于延缓肿瘤生长及转移。
Objective: To study the changes of red blood cell deformability (RCD) in patients with esophageal cancer and its relationship with the condition and prognosis of esophageal cancer. Methods: RCD was performed on 100 patients with esophageal cancer and 50 patients with benign head and neck cancer and 100 healthy subjects. Results: RCD in patients with esophageal cancer was significantly lower than that in normal subjects (P < 0.01). The more severe the condition was, the more obvious the RCD decreased. The decrease of RCD is related to the increase of blood viscosity and the increase of peroxidative damage of RBC membrane. Increased blood viscosity and decreased RCD are conducive to tumor cell adhesion, cancer thrombosis, so that tumor immune failure, is conducive to tumor growth and metastasis. Conclusion : Improvement of blood rheology and increase of RCD can help delay tumor growth and metastasis.