Abstract: Objective To observe the clinical therapeutic effects of Gatifloxacin forthose patients with gerontism tuberculosis affiliate lower respiratory infection.Method A total of 63 cases chosen in a randomized way were divided into two groups: the study group(n=34) and the control group(n=29).The treatment measures were quiescent point Gatifloxacin and Ciprofloxacin with 400?mg does everyday for the study and control groups respectively.The course of treatment was all 7～14 day.Results The effective rate in study group was 85.3% and in the control group was 62.1%.The difference of two groups was significance(P<0.05).The therapeutic effects in study group was better obviously than that in the control group(P<0.05).The bacterialogical negative conversion rate in study group was 78.6% and in the control group was 60.9%.The difference of two groups were not significance(P>0.05).Conclusion The therapeutic effects of Gatifloxacin was perfect for the patients with gerontism tuberculosis affiliate lower respiratory infection and it was significant on clinical application.

Key words: Gatifloxacin, Aged, Pulmonary tuberculosis / chemotherapy