Diagnosis and Treatment of Human Salmonellosis in Addis Ababa City, Ethiopia.

Abstract:

Background:Diagnosis using reliable tools and treatment following in vitro antimicrobial susceptibility tests are critical to proper addressing of antibiotic-resistant Salmonella infection. Methodology:A cross-sectional study was conducted to assess the practice of diagnosis and treatment of salmonellosis in Addis Ababa. Tube Widal test (for blood samples only), culture, biochemical and carbohydrate fermentation, serotyping, and antimicrobial susceptibility tests were employed for both blood and stool samples. Results:Of all the diseases listed in the diagnosis, nontyphoidal (n = 72, 13.71%) and typhoidal (n = 47, 8.95%) salmonellosis were the second and third common diseases. Among the 288 blood samples, almost half were positive for O, H, or both antigens. However, only 1 (0.68%) of the positive blood samples yielded Salmonella isolate during culture. The study demonstrated low specificity (0.68%) and positive predictive value (48.78%) of Widal test. Conversely, the test showed 100% sensitivity and negative predictive values. Salmonella isolates were identified from 7 (7.07%) of 99 stool samples. Two-thirds of salmonellosis suspected patients received antibiotic treatment. However, only half of the confirmed salmonellosis patients were treated with appropriate antibiotics. All of the isolates were susceptible to ciprofloxacin and ceftriaxone but resistant to ampicillin. Conclusions:Majority of the patients who participated in this study were wrongly diagnosed using symptoms, clinical signs, and tube Widal test. Consequently, most of the patients received inappropriate treatment.

journal_name

Biomed Res Int

authors

Garedew L,Solomon S,Worku Y,Worku H,Gemeda D,Lelissa G,Mamuye Y,Abubeker R,Mihret A,Fentaw S,Worku A,Bahiru M,Erenso G

doi

10.1155/2018/6406405

subject

Has Abstract

pub_date

2018-05-23 00:00:00

pages

6406405

eissn

2314-6133

issn

2314-6141

journal_volume

2018

pub_type

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