Safety of ventilation/perfusion single photon emission computed tomography for pulmonary embolism diagnosis View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2014-04-10

AUTHORS

Pierre-Yves Le Roux, Xavier Palard, Philippe Robin, Aurélien Delluc, Ronan Abgral, Solène Querellou, Francis Couturaud, Grégoire Le Gal, Pierre-Yves Salaun

ABSTRACT

PurposeThe aim of this management outcome study was to assess the safety of ventilation/perfusion single photon emission computed tomography (V/Q SPECT) for the diagnosis of pulmonary embolism (PE) using for interpretation the criteria proposed in the European Association of Nuclear Medicine (EANM) guidelines for V/Q scintigraphy.MethodsA total of 393 patients with clinically suspected PE referred to the Nuclear Medicine Department of Brest University Hospital from April 2011 to March 2013, with either a high clinical probability or a low or intermediate clinical probability but positive D-dimer, were retrospectively analysed. V/Q SPECT were interpreted by the attending nuclear medicine physician using a diagnostic cut-off of one segmental or two subsegmental mismatches. The final diagnostic conclusion was established by the physician responsible for patient care, based on clinical symptoms, laboratory test, V/Q SPECT and other imaging procedures performed. Patients in whom PE was deemed absent were not treated with anticoagulants and were followed up for 3 months.ResultsOf the 393 patients, the prevalence of PE was 28 %. V/Q SPECT was positive for PE in 110 patients (28 %) and negative in 283 patients (72 %). Of the 110 patients with a positive V/Q SPECT, 78 (71 %) had at least one additional imaging test (computed tomography pulmonary angiography or ultrasound) and the diagnosis of PE was eventually excluded in one patient. Of the 283 patients with a negative V/Q SPECT, 74 (26 %) patients had another test. The diagnosis of PE was finally retained in one patient and excluded in 282 patients. The 3-month thromboembolic risk in the patients not treated with anticoagulants was 1/262: 0.38 % (95 % confidence interval 0.07–2.13).ConclusionA diagnostic management including V/Q SPECT interpreted with a diagnostic cut-off of “one segmental or two subsegmental mismatches” appears safe to exclude PE. More... »

PAGES

1957-1964

References to SciGraph publications

  • 2009-06-27. EANM guidelines for ventilation/perfusion scintigraphy in EUROPEAN JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING
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    http://scigraph.springernature.com/pub.10.1007/s00259-014-2763-1

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    http://dx.doi.org/10.1007/s00259-014-2763-1

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    https://app.dimensions.ai/details/publication/pub.1052143696

    PUBMED

    https://www.ncbi.nlm.nih.gov/pubmed/24719158


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