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[Current risk of heart catheterization study and angiocardiography in children. A prospective study]
G Schumacher1, T Genz, H P Lorenz
1Klinik für Herz- und Kreislauferkrankungen im Kindesalter, Deutsches Herzzentrum München.
Insights
Cardiac catheterization is safer than previously thought, with a prospective study showing a low complication rate. Improvements in patient selection, monitoring, and pre-procedure care significantly reduced risks.
Area of Science:
- Cardiology
- Interventional Cardiology
- Pediatric Cardiology
Context:
- Cardiac catheterization is a common invasive procedure for diagnosing and treating heart conditions.
- Accurate risk assessment for parental consent requires up-to-date complication data.
- Existing data on cardiac catheterization complications are largely from older, retrospective studies.
Purpose:
- To prospectively evaluate the actual risk of complications associated with cardiac catheterization.
- To compare current complication rates with historical data.
- To identify factors contributing to improved safety outcomes.
Summary:
- A prospective 11-month study recorded complications in 462 cardiac catheterizations across 421 patients.
- Complications requiring treatment occurred in 18.2% of procedures, with no lethal outcomes.
- Documented complications included arrhythmia (6.5%), acidosis (6.1%), vascular access issues (3.9%), and blood loss (1.5%).
Impact:
- Demonstrates a significant reduction in cardiac catheterization risks compared to previous literature.
- Highlights the positive impact of careful patient selection, experienced personnel, enhanced monitoring, and improved pre-procedure management.
- Provides crucial, current data for informed parental consent and procedural safety protocols.
Abstract:
Parental permission for cardiac catheterization assumes detailed information about the character and frequency of all potential and inevitable threatening complications despite of maximal care. However, data on this subject were derived mainly from older and/or retrospective studies. In order to evaluate the actual risk we performed a prospective study lasting 11 months. All complications occurring during the 24 h following this invasive procedure were recorded. During 462 consecutive cardiac catheterizations in 421 patients (including 24 balloon-atrio-septostomies and five myocardial biopsies) there were complications requiring treatment in 18.2% of all examinations. There was no lethal complication. The following complications were documented: arrhythmia 6.5%, acidosis 6.1%, problems due to catheterizing an arterial or venous vessel 3.9% and 0.4% respectively; acute blood loss 1.5%, and problems concerning the probe in general 1.1%. In a frequency of less than 1% we encountered hypoxic spells, myocardial ischemia, hypoventilation/respiratory failure, febrile reaction, and allergic reactions due to contrast media. Contrary to data of the literature we could show a significant reduction of the risks involved in this examination. The following factors have contributed to this improvement: 1) a more careful patient selection for this invasive procedure; 2) a more experienced examiner; 3) better monitoring during the procedure; 4) a more detailed diagnostic work-up prior to the examination; and 5) better premedication of the patient.