The value of postoperative chest radiology after major abdominal surgery

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Abstract
A prospective study was carried out in which a chest radiograph was performed routinely on the third postoperative day on 35 consecutive patients who had elective abdominal surgery. The aim was to determine whether clinical symptoms and signs could be correlated with the radiographic appearances and whether the routine use of such an X ray could detect serious chest pathology before clinical signs developed. Thirteen patients (37%) had radiological evidence of complications and all had symptoms and (or) signs which suggested postoperative chest pathology. The 22 patients (63%) who had no radiological abnormality, could be subdivided clinically into those who were normal (29%) and those who had symptoms and (or) signs (34%). There was no significant difference between the groups in terms of previous surgery, sex, smoking, nature of surgical incision, age or duration of anaesthesia. There was a poor correlation between the diagnosis of the chest abnormality detected clinically and the diagnosis suggested by the radiographs. These findings suggest that a routine postoperative chest X ray is unnecessary in the absence of clinically detectable chest pathology.