Retrospective analysis of the positive effect of emergency room national early warning score 2 on descending necrotizing mediastinitis patients

A total of 30 DNM patients were included, 22 of whom were male (73.3%). The median age was 53 years (range: 47.75 to 62.50 years). Seven patients were diagnosed upon emergency admission, while 23 had an undetermined diagnosis, yielding an emergency department misdiagnosis rate of 76.7%. According to the NEWS2, 19 patients were classified into the low-risk group, 6 into the medium-risk group, and 5 into the high-risk group. During hospitalization, 14 patients (46.7%) experienced critical events, including 2 cases of cardiac arrest. Thirteen patients (43.3%) developed secondary sepsis, with incidence rates of 31.6%, 66.7%, and 60.0% in the low-risk, medium-risk, and high-risk groups, respectively. Eleven patients died: 5 in the low-risk group (26.3%), 2 in the medium-risk group (33.3%), and 4 in the high-risk group (80.0%).