Abstract
The influence of echocardiography on the number of cardiac catheterizations(CC) performed prior to cardiac surgery was assessed in a retrospective analysis comparing two 12 month periods(Jan.-Dec. 1983 and July1985-June 1986) when pulse doppler(PD) was added and a new pediatric tertiary centre was established. Of the 245 cardiac surgical procedures in 1983, 200(82%)had pre-operative CC compared to 163 catheterizations prior to 239 surgical procedures(68%) in 1985/86. This significant reduction in CC(p<.001) was present in both open(87/87 v 90/103;p<.001) and closed (113/158 v 73/136; p<.001) heart procedures. There were similar reductions in CC proportions prior to closed palliative(65/66 v 53/65;p<.001) and closed curative (48/92 v 20/71; p<.001(surgical procedures. Neonates infants and children undergoing closed surgical procedures all experienced significant reductions in pre-operative CC except neonates undergoing curative procedures and infants having closed palliative surgery. The closed surgical procedures with the greatest reductions in pre-operative CC were ligation of PDA and repair of coarctation. Of the various age groups undergoing open heart surgery, only children had significantly less CC, the greatest reduction occurred in closure of ASD. Other less frequent lesions did not have CC. There were 22 diagnostic failures(technically inadequate or misinterpretations)of 245 echos(9%)in 1983 compared to 11 of 239(4.6%)echos in 1985/86(p<.05). Thus PD and 2DE has become more accurate and resulted in a reduction of preoperative CC. * Supported by the B.C. Heart Foundation.
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D'Orsogna, L., Sandor, G., Ashmore, P. et al. INFLUENCE OF PULSE DOPPLER AND 2D ECHO ON PREOPERATIVE CARDIAC CATHETERIZATION IN CONGENITAL HEART DISEASE. Pediatr Res 21 (Suppl 4), 189 (1987). https://doi.org/10.1203/00006450-198704010-00135
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DOI: https://doi.org/10.1203/00006450-198704010-00135