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Development of a computed tomography-based scoring system for necrotizing soft-tissue infections
Edward A McGillicuddy1, Andrew W Lischuk, Kevin M Schuster
1Department of Surgery, Yale University School of Medicine, New Haven, Connecticut 06520-8062, USA. edward.mcgillicuddy@yale.edu
The Journal of Trauma
|May 26, 2011
Summary
A new computed tomography (CT) scoring system aids in diagnosing necrotizing soft-tissue infections (NSTIs). This CT-based tool demonstrates high sensitivity and specificity, improving diagnostic accuracy for NSTI.
Area of Science:
- Radiology
- Infectious Diseases
- Surgical Pathology
Background:
- Necrotizing soft-tissue infections (NSTIs) present a significant clinical challenge due to high morbidity and mortality.
- A definitive non-surgical diagnostic test for NSTIs is currently lacking.
- Computed tomography (CT) is frequently used, but its correlation with NSTI diagnosis requires further elucidation.
Purpose of the Study:
- To develop and validate a computed tomography (CT)-based scoring system.
- To differentiate between necrotizing soft-tissue infections (NSTIs) and non-NSTIs using CT findings.
Main Methods:
- A retrospective analysis of 305 patients (age >17) undergoing CT for soft-tissue infection was performed.
- CT scans were reviewed by a radiologist blinded to clinical data.
- A CT-based scoring system was developed and evaluated for diagnostic performance.
Main Results:
- The developed CT scoring system showed 86.3% sensitivity and 91.5% specificity for NSTI diagnosis.
- A score greater than 6 indicated a high likelihood of NSTI.
- The area under the receiver operating characteristic curve was 0.928, indicating strong diagnostic capability.
Conclusions:
- A novel CT scoring system has been developed for the diagnosis of NSTIs.
- This scoring system offers a sensitive and specific tool to aid clinicians in diagnosing NSTIs.
- Prospective validation of the CT scoring system is recommended for future clinical application.
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