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Órgano Oficial de la Sociedad Mexicana de Angiología y Cirugía Vascular

2011, Number 3

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Rev Mex Angiol 2011; 39 (3)

Tromboembolismo pulmonar asintomático en pacientes con trombosis venosa profunda

Olarte-Casas MÁ, Rojas-Reyna GA, García-Ortiz JR, Schalch PJM, Ríos NMÁ

Language: Spanish
References: 27
Page: 100-106
PDF size: 35.64 Kb.


ABSTRACT

Background: A high frequency of asymptomatic pulmonary embolism (PE) has been reported in patients with deep venous thrombosis (DVT).
Objectives: To estimate the incidence of asymptomatic PE using ventilation/perfusion lung scan in patients with DVT and describe their risk factors.
Material and methods: Ventilation/perfusion lung scans were evaluated in patients without symptoms of PE and proven DVT (assessed by Doppler ultrasonography), from January 2009 through March 2010 in the Nuclear Medicine Service, at the ABC Medical Center, campus Observatorio.
Results: 48% of patients with DVT (70% proximal and 30% distal) had gammagraphic evidence of asymptomatic PE. Smoking, estrogenic hormonal therapy and cancer were factors with relative risk (RR › 1.0) but only the last two were statistically significant (p ‹ 0.05).
Conclusions: The high incidence of asymptomatic PE in patients with DVT, suggests the importance to perform a baseline ventilation/perfusion lung scan, in view that is sensitive and noninvasive.


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