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Rat bite injuries in children: description of a novel classification
R E Ngwenya1, B L Khulu1, V O L Karusseit2
1Department of Surgery, Faculty of Health Sciences, Tembisa Provincial Hospital, University of Pretoria, Private Bag X323, Arcadia, Pretoria, 0007, South Africa, Pretoria, South Africa.
Insights
Rat bites in children can be classified into three types. Most rat bites require conservative wound care, with surgery reserved for severe injuries like skin loss or infection.
Area of Science:
- Pediatric Medicine
- Wound Management
- Public Health
Background:
- Rats are common urban pests and potential disease vectors.
- Rat bites pose a risk of injury to children in human settlements.
Purpose of the Study:
- To describe the clinical course and characteristics of rat bites in children.
- To evaluate treatment strategies and outcomes for pediatric rat bites.
Main Methods:
- Retrospective review of hospital records for children admitted with rat bites.
- Analysis of patient demographics, wound types, treatments, and clinical outcomes.
Main Results:
- Fifty-nine children (mean age 3.7 years) were treated for rat bites.
- Three wound types identified: superficial scratches (Type I), infected/ulcerated bites (Type II), and full-thickness tissue loss (Type III).
- Most wounds had minimal inflammation; surgery (drainage, debridement, skin grafting) was indicated for severe Type II and Type III injuries.
Conclusions:
- Treatment for pediatric rat bites should be tailored to wound type.
- Conservative wound care is recommended for most cases.
- Hospital admission and antibiotics are often unnecessary; surgery is reserved for specific indications.
Purpose:
Rats are common intruders into human settlements. Apart from their role as disease vectors, they can also cause bite injuries. We describe the clinical course of a series of children with rat bites, and characterise the injures.
Methods:
A retrospective review of hospital records of children admitted for rat bites in a large regional hospital was undertaken. The demographics, wound characteristics, treatment given and clinical outcome of the patients are described.
Results:
Fifty-nine children, with a mean age of 3.7 years, were admitted for rat bites. Three distinct types of wounds were treated: superficial scratches (Type I), deeper bites often with infection and ulceration (Type II) and full-thickness with loss of skin or underlying soft tissues (Type III). Few wounds displayed signs of inflammation. Only some Type II injuries required urgent local surgery in the form of drainage and debridement. Type III wounds required a skin graft. All patients recovered.
Conclusion:
We suggest that treatment of rat bites should be based on the wound type. Most patients do not require hospital admission or antibiotic treatment. Treatment should be mostly conservative wound care management. Surgery is only indicated for drainage of pus, debridement, skin graft or rarely reconstruction.

