Find the Thickness of the Accumulated Fluid Above the Deep Fascia by Ultrasound Diagnose NF
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Abstract
Background: Necrotizing fasciitis (NF) is a severe type of soft tissue infection with a disability rate ranging from 12–83% and a mortality rate of up to 34%. Prompt surgical treatment can help reduce these mortality and disability rates. Therefore, early and accurate diagnosis is crucial in ensuring that patients receive timely surgical intervention and reducing the mortality rate.
Objective: To find the thickness of the accumulated fluid above the deep fascia by ultrasound that helps diagnose NF with the best sensitivity and specificity.
Methods: A retrospective observational study of patients with suspected soft tissue infection was conducted and ultrasound was performed to assist in diagnosing NF in the emergency room. Then, the data were analyzed to determine the thickness of the accumulated fluid above the deep fascia that has the most effective sensitivity and specificity for diagnosis of NF.
Results: It was found that, out of a total of 99 patients, 50 were diagnosed with NF and 49 were not diagnosed with NF. It was also found that the thickness of the accumulated fluid above the deep fascia (fluid accumulation) used in diagnosing NF should be greater than 2 mm, with a sensitivity of 84% and specificity of 67%.
Conclusion: The most suitable value for diagnosing NF is a thickness of accumulated fluid above the deep fascia that is more than 2 mm.
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