C-reactive protein and radiographic findings of lower respiratory tract infection in infants

نویسندگان

  • Maria Twomey
  • Hannah Fleming
  • Fiachra Moloney
  • Kevin P Murphy
  • Lee Crush
  • Siobhan B O’Neill
  • Oisin Flanagan
  • Karl James
  • Conor Bogue
  • Owen J O’Connor
  • Michael M Maher
چکیده

AIM To evaluate the association between C-reactive protein (CRP) and radiological evidence of lower respiratory tract infection (LRTI) in infants. METHODS All patients aged less than 4 years who presented with suspected lower respiratory tract infection, who received a peri-presentation chest radiograph and CRP blood measurement over an 18-mo period were included in the study. Age, gender, source of referral, CRP, white cell count, neutrophil count along with the patients' symptoms and radiologist's report were recorded. RESULTS Three hundred and eleven patients met the inclusion criteria. Abnormal chest radiographs were more common in patients with elevated CRP levels (P < 0.01). Radiologic signs of LRTI were identified in 73.7% of chest radiographs when a patient had a CRP level between 50-99 mg/L. CRP levels were a better predictor of positive chest radiograph findings for those aged greater than I year compared to those 1 year or less. CONCLUSION CRP may be used in patients with suspected LRTI diagnosis to select those who are likely to have positive findings on chest radiograph, thus reducing unnecessary chest radiographs.

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عنوان ژورنال:

دوره 9  شماره 

صفحات  -

تاریخ انتشار 2017