With operation trauma, it may worsen the abnormality.So anticoagulant and fibrinolytic systems of these patients should be taken seriously to prevent thrombosis and bleeding.

• 结论：喉癌患者存在一定程度的凝血障碍，而手术能进一步加重其障碍程度，故临床上应高度重视对患者的抗凝及纤溶系统的监测，以防血栓及出血性疾病的发生。