关键词: 老年人工股骨头置换, 隐性失血, 气血亏虚兼瘀, 病机

Abstract: Hidden blood loss after artificial femoral head replacement in the elderly is one of the important factors affecting the operation,and the change of physiology and pathology after operation is a complicated process．At present,there is no systematic study on its etiology and pathogenesis in traditional Chinese medicine．In clinical practice,there are limitations of dialectical thinking,which make it difficult to Objective ly and comprehensively reveal the characteristics of the etiology and pathogenesis of the disease,and difficult to prescribe．The purpose of this paper is to explore the etiology and pathogenesis of hidden blood loss after artificial femoral head replacement in the elderly．It is considered that the syndrome of the disease is characterized by deficiency of qi and blood and blood stasis,and the disease is based on deficiency of liver,spleen and kidney,in which deficiency of qi and blood runs through the disease all the time,and qi is the key．

Key words: artificial femoral head replacement in the elderly, hidden blood loss, deficiency of qi and blood and blood stasis, pathogenesis