Objetive:

to present a risk-ajusted score of complications during cardias catheterization in congenital heart disease.

Design:

observational, analitic, ambispective of 3.504 cases. The data analyzed included age, heart disease, type of procedure, major and minor complications.

Methods:

3.504 procedures performed between october 1987 and may 2019. The variables were age, heart disease, procedere and clinical stege. Each patients was categorized as low risk 5 to 7 points, moderate risk 8 to 11 points and higt risk 12 to 22 points. The score was validated using the Hosmer-Lemeshow test and the ROC curve (Receiver Operating Characteristic).

Results:

complications 177 (5%) 66 major (1.9%) and 111 minor (3.1%). Mortality was 0.4% (15 patients). The low-risk group (n = 825) had 1.5% complications; moderate risk (n = 2,221) 4.9%; high risk (n: 458) 12% (p < 0.001). The analysis of the retrospective data (n = 2953) was validated with prospective (n = 551) using the Hosmer-Lemeshow test, showed that the predicted values are similar to those observed.

Conclusions:

Complications continue to occur despite the evolution of the technique. The score was useful for stratifying patients and knowing the probability of complication before the procedere.

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