Background: Necrotizing soft tissue infection (NSTI) is an uncommon but life threatening disease with a high mortality rate. Delay in diagnoses and in surgery for debridement is associated with increased mortality rates. Hence here we would like to use this scoring system - laboratory risk indicator for necrotizing fasciitis (LRINEC) in patients presenting to our hospital with necrotizing soft tissue infection and if found to have good predictive values, it would be a boon to developing countries like India where the mortality of the disease is high (7% to 76%).Methods: Patients presenting with symptoms suggestive of soft tissue infection underwent clinical examination and basic laboratory investigations. Following which, information collected using semi structured proforma cum observational checklist. LRINEC scoring system applied to each of the study subjects at admission. The confirmatory diagnosis of necrotizing fasciitis done on patients who undergo surgery vide histopathology, irrespective of the result of the LRINEC scoring system. Tissue cultures and sensitivity patterns analyzed.Results: A total of 100 patients were enrolled. LRINEC score has an ability to diagnose necrotizing fasciitis from other soft tissue infections. High LRINEC score had more incidences of features of sepsis. Presence of the co morbidities tended to increase the LRINEC score. And defines patients with a high LRINEC score of >8 had higher mortality rate.Conclusions: LRINEC score is a simple clinical tool for the diagnosis of necrotizing fasciitis from other soft tissue infections. LRINEC scoring system and clinical assessment should be used concurrently for diagnosing necrotizing fasciitis from other soft tissue infections.
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