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Pathogenic surveillance and related factors on bacillary dysentery in Beijing, 2008-2017 / 中华流行病学杂志
Chinese Journal of Epidemiology ; (12): 165-169, 2019.
Article in Chinese | WPRIM | ID: wpr-738233
ABSTRACT
Objective To analyze the pathogenic surveillance programs and related factors on bacillary dysentery in Beijing,2008-2017,to provide evidence for the practices of diagnosis,treatment and prevention of the disease.Methods Analysis was conducted on surveillance data of bacillary dysentery,collected from the surveillance areas of national bacillary dysentery in Beijing.Shigella positive rate of stool samples were used as the gold standard while detection rate of Shigella,diagnostic accordance rate and resistance were computed on data from the surveillance programs.Chi-square test was used to compare the rates and unconditional logistic regression was used to analyze the related factors of Shigella infection.Results Both the reported incidence rate on bacillary dysentery and detection rate of Shigella in diarrhea patients showed significantly decreasing trend,from 2008 to 2017.The accordance rate of bacillary dysentery was only 7.80% (111/1 423).Shigella sonnei was the most frequently isolated strain (73.95%,159/215) followed by Shigella flexnery.Results from the multivariate logistic regression of Shigella positive rate revealed that among those patients who were routine test of stool positive vs.routine test of stool positive (OR=1.863,95%CI1.402-2.475),onset from July to October vs.other months' time (OR=7.271,95%CI4.514-11.709) temperature ≥38 ℃ vs.temperature <38 ℃ (OR=4.516,95%CI3.369-6.053) and age from 6 to 59 years old vs.other ages (OR =1.617,95 % CI1.085-2.410),presenting higher positive detection rates of Shigella from the stool tests.The resistant rates on ampicillin and nalidixic acid were 97.57% (201/206) and 94.90% (186/196),both higher than on other antibiotics.The resistant rates on ciprofloxacin (16.33%,32/196),ofloxacin (9.57%,11/115) and on amoxilin (15.05%,31/206) were relatively low.The resistant rate appeared higher on Shigellaflexnery than on Shigella sonnei.The proportion of strains with resistance on 3 more drugs,was 30.00% (21/70).Conclusions The diagnostic accordance rate of bacillary dysentery in Beijing was low,with severe resistance of Shigella.Our findings suggested that clinicians should take multiple factors into account in their practices about epidemiological history,clinical symptom and testing results for diarrhea patients.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Screening study Language: Chinese Journal: Chinese Journal of Epidemiology Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Screening study Language: Chinese Journal: Chinese Journal of Epidemiology Year: 2019 Type: Article