Classification and a decade-long follow-up of rat bite injuries in the nasal region

Abstract

Background: Nasal defects due to rat bites are frequently encountered in rural regions of China. In addition to serving as disease vectors, rats can also inflict bite injuries. In this study, we delineated the characteristics of rat bite injuries in the nasal region and discussed the clinical features observed during a 10-year follow-up period. Methods: We retrospectively reviewed hospital records for patients admitted due to rat bites. This study outlines the demographics, clinical features, and follow-up outcomes supported by comprehensive photo documentation of the patients’ progress. Results: Twenty-five patients, with a mean age of 29 years, were admitted due to rat bites. Treatment was provided for three distinct types of injuries: nasal tip defect (type I), nasal defect (type II), and full-thickness nasal defect with loss of surrounding tissues (type III). All patients recovered fully. Conclusions: The treatment for rat bites should be based on the wound type. The long-term follow-up outcomes are more favorable when fewer subunits of the nose affected. We recommend early surgical intervention, along with psychological therapy, to prevent interference with growth and development.

Keywords

• Rat bite
• Wound classification
• Nasal reconstruction