Cintigrafía de ventilación y perfusión en el manejo del tromboembolismo pulmonar
Background: The Progressive Investigation of Pulmonary Embolism Diagnosis (PIOPED) classifies the results of ventilation perfusion scintigraphy as having a high, intermediate and low diagnostic probability of pulmonary embolism or as normal. This classification can be confusing for the clinician. Ai...
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| Lenguaje: | Spanish / Castilian |
| Publicado: |
Sociedad Médica de Santiago
2000
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| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872000000900008 |
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| Sumario: | Background: The Progressive Investigation of Pulmonary Embolism Diagnosis (PIOPED) classifies the results of ventilation perfusion scintigraphy as having a high, intermediate and low diagnostic probability of pulmonary embolism or as normal. This classification can be confusing for the clinician. Aim: To retrospectively review the diagnoses of ventilation perfusion scintigraphies performed at a general hospital. Material and methods: All reports of ventilation perfusion scintigraphies done between 1997 and 2000 at the Nuclear Medicine Service of Valdivia Hospital were retrospectively reviewed. Results: During the study period, 85 patients with suspected pulmonary thromboembolism were referred for a ventilation perfusion scintigraphy and in 70, the procedure was done. Twenty-one (30%) patients were classified as having a high probability of pulmonary thromboembolism, 12 (17%) as having an intermediate probability, 31 (44%) as having a low probability and the scintigraphy was considered normal in 6 (9%) patients. Conclusions: The predictive value of ventilation perfusion scintigraphy must be interpreted using this diagnostic classification (Rev Méd Chile 2000; 128: 1011-4). |
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