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March 1, 1996RadiologyOpen Access

Pulmonary embolism: interobserver agreement in the interpretation of conventional angiographic and DSA images in patients with nondiagnostic lung scan results.

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Why the study?

Does intraarterial digital subtraction angiography improve interobserver agreement compared to conventional angiography in patients with nondiagnostic lung scans for pulmonary embolism?

Population

130 patients with nondiagnostic lung scan results evaluated for pulmonary embolism

Comparison

Intraarterial digital subtraction angiography vs Conventional angiography (n=45)

Design

Cohort, Independent reading by two radiologists

Authors

EBEdwin JR van BeekBritish Heart FoundationABA. BakkerHeidelberg UniversityJRJim A. ReekersAmsterdam University Medical Centers

Discussion

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Implication

DSA may enhance agreement in suspected PE; hypothesis-generating and should not yet change practice.

Structured PICO

Does intraarterial digital subtraction angiography improve interobserver agreement compared to conventional angiography in patients with nondiagnostic lung scans for pulmonary embolism?

P
Population
130 patients (65 men, 65 women; mean age 57 years, range 18-92 years) with nondiagnostic lung scan results evaluated for pulmonary embolism
I
Intervention
Intraarterial digital subtraction angiography (DSA) (n=85)
C
Comparator
Conventional angiography (n=45)
O
Outcome
Interobserver agreement in image interpretationsurrogate

Intraarterial digital subtraction angiography provides better interobserver agreement than conventional angiography for diagnosing pulmonary embolism in patients with nondiagnostic lung scans.

Cite This Study

Beek et al. (1996) studied this question.

synapsesocial.com/papers/6a6fa2d926770c2b8de01730https://doi.org/10.1148/radiology.198.3.8628860

Topics

Pulmonary embolism
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Reliability of selective pulmonary arteriography in the diagnosis of pulmonary embolism1987 · 101 citations
  2. 2A Noninvasive Strategy for the Treatment of Patients With Suspected Pulmonary Embolism1994 · 301 citations
  3. 3Segmental Arteriography in Pulmonary Embolism1969 · 51 citations
  4. 4Clinical biostatistics: LIV. The biostatistics of concordance1981 · 1,104 citations
  5. 5Diagnosing Pulmonary Embolism: New Facts and Strategies1991 · 144 citations