• Lars S Bjerregaard, Katrine Jensen, René Horsleben Petersen, and Henrik Jessen Hansen.
• Department of Cardiothoracic Anaesthesia and Section for Surgical Pathophysiology, Rigshospitalet Dept. 7621, Copenhagen University Hospital, Copenhagen, Denmark, lars.stryhn.bjerregaard@regionh.dk.
• Gen Thorac Cardiovasc Surg. 2015 Aug 1; 63 (8): 465-71.

ObjectiveTo investigate whether the use of routinely obtained chest X-rays is necessary after elective VATS.MethodsWe retrospectively reviewed 1097 chest X-rays obtained routinely after elective VATS, performed in patients aged over 15 years during an 18-month period. VATS procedures were divided into three groups according to the degree of pulmonary resection. The chest X-rays (obtained anterior-posterior in one plane with the patient in the supine position) were categorized as abnormal if showing pneumothorax >5 cm, possible intra-thoracic bleeding and/or a displaced chest tube. Medical charts were reviewed for all patients with abnormal chest X-rays to see if an intervention was made based on the X-ray. In case of an intervention, detailed clinical data were collected.Results44 of 1097 chest X-rays (4.0 %) were abnormal and 10 of these X-rays (0.9 %) led to a clinical intervention. Proportions of abnormal chest X-rays were unequally distributed between groups (p < 0.001), whereas the number of interventions was not (p = 0.43). Of the ten chests X-rays that led to an intervention, three showed possible intra-thoracic bleeding, six showed pneumothorax >5 cm and one showed a kinked chest tube. All the patients with possible intra-thoracic bleeding were re-explored in the operating theatre the same day.ConclusionsOnly 10 of 1097 chest X-rays (0.9 %) obtained routinely after elective VATS procedures led to a clinical intervention, supporting the abandon of routine chest X rays in favour of a more individualised approach, based on clinical observations.

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