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The data confirm the importance of cagA positivity as a predictor of successful eradication. When high H. pylori colonization density and intestinal metaplasia are present, therapy appears to be less effective. Therefore, these histopathological features may be involved in an unsuccessful therapeutic outcome.

BACKGROUND Intra-abdominal hemorrhage during pregnancy is a rare and dangerous complication of pregnancy. In this article, we report 4 cases of intra-abdominal hemorrhage during pregnancy, including the spontaneous rupture of uterine veins, spontaneous rupture of liver, rupture of external iliac vessel branch, and rupture of right renal hamartoma. CASE SUMMARY The clinical manifestations of three patients lacked specificity, and the localization of the bleeding was not clear prior to surgery. All 4 pregnant women were successfully treated, while only one full-term infant survived. CONCLUSION There are diverse causes of intra-abdominal hemorrhage during pregnancy in clinic, and it is clinically characterized by acute abdominal pain during pregnancy. Clear diagnosis before surgery is rather difficult. Early diagnosis, timely and appropriate treatment and surgery, and multidisciplinary cooperation are key to saving pregnant females’ lives and improving the outcomes of perinatal infants.

AimsTo study the clinical characteristics of 2000 patients with uveitis admitted to the ophthalmology centre of the Second Hospital of Jilin University.MethodsWe retrospectively analysed 2000 patients with uveitis who were admitted to the uveitis clinic of the Second Hospital of Jilin University from July 2010 to June 2019 and analysed data on sex, onset age, onset season, anatomical classification, visual acuity and compared the results with those of other investigation studies.ResultsAmong 2000 uveitis patients, the mean age of onset was 39.9±14.9 years. There were 946 male patients (47.3%) and 1054 female patients (52.7%). By anatomical classification, panuveitis was the most common (986 cases, 49.3%), followed by anterior uveitis (786 cases, 39.3%), posterior uveitis (119 cases, 6.0%) and intermediate uveitis (109 cases, 5.5%). Among anterior uveitis cases, ankylose spondylitis (207 cases, 26.34%), Fuchs syndrome (74 cases, 9.41%) and viral uveitis (71 cases, 9.03%) were the most common. Among panuveitis cases, Vogt-Koyanagi-Harada syndrome (372 cases, 37.73%), Behcet’s disease (142 cases, 14.40%) and sympathetic ophthalmitis (33 cases, 3.35%) were the most common. Uveitis often occurs during the autumn–winter transition period. The prevalence of anterior uveitis is highest in November, and statistical analysis shows that the incidence of uveitis has a significant correlation with the month. Panuveitis has the most significant effect on vision.ConclusionPanuveitis and anterior uveitis are the most common anatomical classifications of uveitis, which has a significant impact on vision, and their incidence is related to seasonal changes.