We evaluated a simplified algorithm for safely postponing diagnostic imaging for pulmonary embolism (PE). At the index visit, patients were identified as being at high or low risk of PE; the former received full dosage low molecular weight heparin while the latter were left untreated until performance of diagnostic imaging (max 72 hours). During this period, no thromboembolic events occurred in low-risk patients (0/211, 0.% [upper 95% CI 0.9%]); only one event occurred in those at high-risk (1/125, 0.8% [upper 95% CI, 1.2]). Our study demonstrates that diagnostic imaging for PE can be safely deferred for up to 3 days.
SIRAGUSA S, MALATO A, FALASCHI F, PORRO F, ANASTASIO R, GIARRATANO A, et al. (2007). Deferral of assessment of pulmonary embolism. HAEMATOLOGICA, 92(3), 410-413 [10.3324/haematol.09899].
Deferral of assessment of pulmonary embolism
SIRAGUSA, Sergio;MALATO, Alessandra;ANASTASIO, Raffaela;GIARRATANO, Antonino;LO COCO, Lucio;MAGGI, Elena;
2007-01-01
Abstract
We evaluated a simplified algorithm for safely postponing diagnostic imaging for pulmonary embolism (PE). At the index visit, patients were identified as being at high or low risk of PE; the former received full dosage low molecular weight heparin while the latter were left untreated until performance of diagnostic imaging (max 72 hours). During this period, no thromboembolic events occurred in low-risk patients (0/211, 0.% [upper 95% CI 0.9%]); only one event occurred in those at high-risk (1/125, 0.8% [upper 95% CI, 1.2]). Our study demonstrates that diagnostic imaging for PE can be safely deferred for up to 3 days.
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