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Published on: March 19, 2018
A retrospective six-year national survey of P. multocida infections in Israel
William Nseir1, M Giladi, I Moroz
1Holy Family Hospital, Nazareth, Israel. w.nseir@yahoo.com
Abstract:
Pasteurella multocida is the commonest organism infecting pet bites. Anecdotal reports tend to overemphasize dramatic outcomes. We aimed to study a large database of P. multocida infections. This retrospective survey of P. multocida infections in Israeli hospitals refers to the y 2000-2005. Clinical microbiologists were contacted by email and asked to perform a back-search of their hospital's records for isolates of P. multocida. The charts of patients growing P. multocida were abstracted into a structured questionnaire. 77 cases were identified in 12 hospitals, yielding an annual incidence of 0.19/100,000. The mean age was 49.2+/-26.5 y and the mortality rate was 2.6%. Those who died were >65 y of age, had diabetes mellitus or cirrhosis and were bacteraemic. One-third of the cases occurred in people aged > or =65 y. Cats caused most of these infections (54%). Surgery for debridement was common (53.7%), but no-one required amputation; a second- and third-look operation was necessary for these patients. Bacteraemia was found in 32.5% of patients and was significantly more common among those aged >60 y (p =0.044). Hospitalized patients with P. multocida have a favourable prognosis, apart from elderly and bacteraemic patients with comorbidities. Surgery and reoperations may be required in about half of the patients.
Insights
Pasteurella multocida infections from pet bites are common. While most cases have a good prognosis, elderly patients with comorbidities and bacteremia face higher risks, often requiring surgery.
Area of Science:
- Infectious Diseases
- Microbiology
- Public Health
Background:
- Pasteurella multocida is frequently implicated in pet-associated bite infections.
- Previous reports often highlight severe outcomes, potentially skewing the perception of infection severity.
Purpose of the Study:
- To investigate the clinical characteristics and outcomes of Pasteurella multocida infections.
- To determine the incidence and risk factors associated with P. multocida infections in a large population.
Main Methods:
- A retrospective survey of P. multocida infections was conducted in Israeli hospitals between 2000 and 2005.
- Data were collected from patient charts identified through clinical microbiology records.
Main Results:
- 77 cases of P. multocida infection were identified, with an annual incidence of 0.19/100,000.
- The mortality rate was 2.6%, primarily affecting elderly patients (>65 years) with comorbidities (diabetes, cirrhosis) and bacteremia.
- Cats were the source of infection in 54% of cases; 53.7% required surgical debridement, with some needing reoperations.
Conclusions:
- Hospitalized patients with P. multocida infections generally have a favorable prognosis.
- Elderly patients, those with bacteremia, and individuals with comorbidities represent a higher-risk group.
- Surgical intervention and potential reoperations are common management strategies for P. multocida infections.
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