Author: Sugishita, Keiji; Saito, Toshiaki; Asayama, Yukino; Iwamoto, Takashi
Title: Risk factors for detection failures of chest radiography in diagnosing pneumonia Document date: 2017_6_21
ID: ju7553s6_26
Snippet: There are a few studies that reported the usefulness of CT for the early diagnosis of pneumonia, although patients' prognoses have not been reported. With regard to severe acute respiratory syndrome (SARS)-associated coronavirus pneumonia, there was a study reported that CT was useful for the early diagnosis of pneumonia in patients with normal CRs. 17 For pneumonia in febrile neutropenic patients, there was a report that CT could detect pneumoni.....
Document: There are a few studies that reported the usefulness of CT for the early diagnosis of pneumonia, although patients' prognoses have not been reported. With regard to severe acute respiratory syndrome (SARS)-associated coronavirus pneumonia, there was a study reported that CT was useful for the early diagnosis of pneumonia in patients with normal CRs. 17 For pneumonia in febrile neutropenic patients, there was a report that CT could detect pneumonic shadows approximately 5 days earlier than CR. 9 Our subgroup analysis performed among care level 5 patients showed significantly lower mortality in the CR-negative group irrespective of severity. Although it would be difficult to clarify the relationship between radiographic findings and prognosis using the retrospective survey seen in the current study, we think that CT contributes to early diagnosis, early treatment, and better prognosis for pneumonia patients with poor PS and negative CR findings. Additionally, our data showed that 31.0% of the CR-negative group had an A-DROP score of 3 or more. It was notable that CRs sometimes could not show positive findings even though pneumonia was severe.
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