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The incidence of postoperative pulmonary perfusion defects.
  1. N. J. Griffiths,
  2. R. J. Wighton,
  3. J. B. Festenstein

    Abstract

    The incidence of postoperative thromboembolism was studied using radioisotope lung perfusion and ventilation scanning. 26% of patients had defects on their pre-operative scans and 8% developed new unmatched perfusion defects postoperatively, indicating possible pulmonary emboli. This latter figure was much lower than some previously recorded results and was similar in 2 groups of patients--one receiving dextran 70 prophylaxis during operation and the other a control group who received saline.

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