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May 23, 1990JAMA

Value of the ventilation/perfusion scan in acute pulmonary embolism. Results of the prospective investigation of pulmonary embolism diagnosis (PIOPED). The PIOPED Investigators

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Implication

Prospective study evaluates ventilation-perfusion scan accuracy in suspected acute pulmonary embolism, highlighting clinical utility and diagnostic limits.

Key Points

  • To assess the diagnostic value and accuracy of ventilation/perfusion lung scans in patients with suspected acute pulmonary embolism.
  • Prospective multicenter investigation evaluating ventilation/perfusion (V/Q) lung scintigraphy in patients with suspected acute pulmonary embolism.
  • Compared scintigraphic probability interpretations against pulmonary angiography as the definitive reference standard.
  • Evaluated the diagnostic sensitivity, specificity, and positive predictive value of high, intermediate, and low-probability scan categories.
  • Demonstrated that combining scintigraphic probability assessments with clinical pre-test probability improves diagnostic accuracy for acute pulmonary embolism.

Cite This Study

A 1990 study studied this question.

synapsesocial.com/papers/69dd140261d4dd8dbb1333fahttps://doi.org/10.1001/jama.263.20.2753
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Also Consider

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