论西北燥证中燥邪与湿邪的病机转化

目的：探讨西北燥证证候中出现湿证的原因，阐明其病机关系。方法：以中医传统理论方法为指导，以流行病学调查中发现的线索为依据，综合分析西北燥证中燥、湿二邪的病机关系。结果：西北燥证中燥邪与湿邪相互转化的病机关系凡四：一为燥滞营卫，外燥内湿；二为遽燥气敛，津停生湿；三为燥极而泽，湿从燥化；四为湿阻气机，燥自内生。结论：西北燥证所兼湿证为内湿，系由外感燥邪侵袭人体，邪正交争、病机转化而生。

On change of pathogenesis about damp and dryness pathogen in Northwest Dryness Syndrome

Objective: To study the cause of appearing the damp pathogen in Northwest Dryness Syndrome, and to expound the relation of its pathogenesis. Methods: To synthesize analyzing the relation of damp and dryness pathogen in Northwest Dryness Syndrome guiding by the TCM theory and basing on the clue of epidemiological survey. Results: The pathogenesis relation of damp and dryness pathogen in Northwest Dryness Syndrome changing each other had four types: first, dryness pathogen stagnated nutritive and defensive Qi, furthermore, the outside was dryness and the inside was damp; second, dryness happening suddenly caused the Qi weaken,body fluid stagnated causing damp; third, dryness reached extreme will be damp, the damp changed from dryness; forth, damp blocked functional activities of Qi causing dryness came from the inside. Conclusion: Damp from the Northwest Dryness Syndrome is the inner damp, caused by the outside dryness attacking human body initiate struggle between Vital-Qi and pathogenic Factors.