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[Prognostic analysis of children with Henoch-Schonlein purpura treated by Helicobacter pylori eradication therapy].

OBJECTIVE
To investigate the effect of Helicobacter pylori (Hp) eradication therapy on prognosis in children with Henoch-Schonlein purpura (HSP).


METHODS
A total of 153 children with HSP were divided into Hp infection treatment group (n=22), Hp infection control group (n=21), and Hp infection-negative group (n=110). The Hp infection treatment group received one-week triple therapy for Hp eradication in addition to conventional treatment, while the Hp infection control group and Hp infection-negative group received conventional treatment. All patients were followed up for prognostic evaluation.


RESULTS
The response rates of the Hp infection treatment, control, and negative groups were 86% (19/22), 90% (19/21) and 85% (94/110), respectively (P>0.05). The recurrence rates of HSP in the Hp infection treatment, control, and negative groups were 14% (3/22), 24% (5/21) and 31% (34/110), respectively (P>0.05). The incidence of Henoch-Schonlein purpura nephritis (HSPN) in the Hp infection-negative group (36%, 40/110) and control group (33%, 7/21) was significantly higher than that in the Hp infection treatment group (5%, 1/22) (P<0.05 for both), but no significant difference in the incidence of HSPN was found between the control and negative groups (P>0.05).


CONCLUSIONS
One-week triple therapy for Hp eradication may be useful to reduce the incidence of HSPN in children with HSP infected with Hp.