Pulmonary Angiography (PA) is considered the gold standard for the diagnosis of pulmonary embolism (PE). We conducted our study to evaluate the impact of the introduction of computed tomography with pulmonary angiography (CT. Angio) on the number of PA and ventilation/ perfusion lung scan (V/Q) performed to diagnose PE in our hospital
A retrospective chart review of all the patients who were worked up for PE from January 1997 till December 2001. The charts were reviewed for the tests used to diagnose PE to evaluate the impact of the introduction of CT angio on the number of PA and V/Q scans performed
CT Angio was used in 2% of patients in 1997, its use increased to 25% in 2000. PA use continues to decrease from 20% in 1997 to less than 2% in 2000. V/Q scan remains the diagnostic procedure of choice in our hospital with its use ranges from 69% in 1997 to 83% in 2001. Doppler ultra sound of the lower extremities to detect deep vein thrombosis (DVT) remains a useful test with an increase in its use. (See next tableYearV/Q SCANDOPPLERSPACT ANGIO1997 (N=55)69%55%20%4%1998 (N=41)80%66%20%7%1999 (N=55)87%67%11%20%2000 (N=44)84%61%2%25%2001 (N=53)83%70%2%19%for results)CONCLUSIONS: The introduction of CT angio as a diagnostic test for PE resulted in a decrease in the number of PA performed. In our hospital, CT angio has no effect on V/Q scan, which remains the diagnostic test of choice for PE
The use of PA to diagnose PE is expected to continue to decline with the increase use of CT. angio .V/Q scan is still widely used to diagnose PE, and at this point it seems it is not affected by the increase use of CT. angioDoppler ultra sound of the lower extremities remains a useful supportive test for the diagnosis of PE.
R.A. Hamed, None.