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Published on: November 25, 2022
Rat bite fever and Streptobacillus moniliformis
1Department of Pediatrics, University of Arizona Health Sciences Center, 1501 N. Campbell Ave., Tucson, AZ 85724-5073, USA. selliott@peds.arizona.edu
Abstract:
Rat bite fever, caused by Streptobacillus moniliformis, is a systemic illness classically characterized by fever, rigors, and polyarthralgias. If left untreated, it carries a mortality rate of 10%. Unfortunately, its nonspecific initial presentation combined with difficulties in culturing its causative organism produces a significant risk of delay or failure in diagnosis. The increasing popularity of rats and other rodents as pets, together with the risk of invasive or fatal disease, demands increased attention to rat bite fever as a potential diagnosis. The clinical and biological features of rat bite fever and Streptobacillus moniliformis are reviewed, providing some distinguishing features to assist the clinician and microbiologist in diagnosis.
Insights
Rat bite fever, caused by Streptobacillus moniliformis, is a serious illness often missed due to vague symptoms and difficult diagnosis. Early recognition is crucial as untreated cases have a 10% mortality rate.
Area of Science:
- Infectious Diseases
- Microbiology
- Public Health
Background:
- Rat bite fever (RBF) is a systemic illness caused by Streptobacillus moniliformis.
- Classical symptoms include fever, rigors, and polyarthralgias.
- Untreated RBF has a 10% mortality rate.
Purpose of the Study:
- To review the clinical and biological features of RBF and Streptobacillus moniliformis.
- To highlight diagnostic challenges and features that aid in diagnosis.
- To emphasize the importance of considering RBF given the rise in pet rodents.
Main Methods:
- Literature review of clinical and microbiological data on Rat Bite Fever.
- Analysis of diagnostic difficulties associated with Streptobacillus moniliformis.
- Synthesis of information on RBF presentation and causative agent.
Main Results:
- Rat bite fever presents non-specifically, often delaying diagnosis.
- Difficulties in culturing Streptobacillus moniliformis contribute to diagnostic delays.
- Increased prevalence of pet rodents necessitates greater awareness of RBF.
Conclusions:
- Rat bite fever requires increased clinical and microbiological attention.
- Distinguishing features are essential for timely and accurate diagnosis.
- Prompt diagnosis and treatment are vital to reduce RBF mortality.
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