Predictors of Pericardial Effusion in Patients Undergoing Pulmonary Artery Banding
Mio Noma1, Muneaki Matsubara1, Chiho Tokunaga1
11 Department of Cardiovascular Surgery, University of Tsukuba Hospital, Amakubo, Tsukuba, Japan.
Insights
Pulmonary artery banding (PAB) in pediatric heart patients with Trisomy 21 increases the risk of pericardial effusion. Postoperative serum albumin may predict this complication, guiding surgical planning.
Area of Science:
- Pediatric Cardiology
- Congenital Heart Disease
- Surgical Complications
Background:
- Pulmonary artery banding (PAB) is a palliative procedure for pediatric heart malformations.
- Concerns exist regarding right ventricular pressure overload and immune reactions post-PAB, potentially leading to pericardial effusion.
- Lack of clear guidelines on risk factors or contraindications for PAB-associated complications necessitates further research.
Purpose of the Study:
- To identify potential risk factors and biomarkers for postsurgical pericardial effusion following PAB.
- To investigate a wide range of factors associated with pericardial effusion development after PAB.
Main Methods:
- Retrospective analysis of cardiac surgeries over an eight-year period.
- Inclusion criterion: pericardial effusion requiring surgical drainage after PAB.
- Comparison of nine cases with pericardial effusion against 45 control cases, analyzing clinical, genetic, and laboratory data.
Main Results:
- Trisomy 21 showed a strong association with severe pericardial effusion post-PAB.
- Postoperative serum albumin levels in patients with Trisomy 21 correlated with pericardial effusion development.
- No other analyzed parameters demonstrated a significant correlation with pericardial effusion.
Conclusions:
- Trisomy 21 is a significant risk factor for pericardial effusion requiring drainage after PAB.
- Pressure overload from PAB, potentially exacerbated by cardiac defects in Trisomy 21, may contribute to effusion formation.
- Postoperative serum albumin can serve as a predictive biomarker for pericardial effusion, informing surgical management.
Background:
Although pulmonary artery banding (PAB) is a common palliative procedure for pediatric heart malformation, there are concerns of pressure overload and concomitant immune reactions in the right ventricle causing postsurgical complications such as pericardial effusion. At this time, no clear guidelines as to potential risk factors or procedural contraindications have been widely disseminated. Therefore, a study was undertaken to examine wide-ranging factors to find potential biomarkers for postsurgical pericardial effusion formation risk.
Methods:
A retrospective study was conducted on all cardiac surgeries performed over an eight-year period, and the main inclusion criterion was pericardial effusion development after PAB that required surgical drainage. Nine cases were then analyzed against a control group of 45 cases with respect to body measurements, concomitant surgeries, genetic screens, laboratory tests results, and cardiac function parameters.
Results:
Trisomy 21 was strongly associated with the development of severe pericardial effusion after PAB, and postoperative serum albumin levels in patients with trisomy 21 were associated with pericardial effusion development. Other parameters showed no significant correlation with pericardial effusion development.
Conclusions:
Our data indicate a strong association between trisomy 21 and pericardial effusion requiring drainage after PAB, which is in line with translational research findings. Pressure overload from PAB may play a role in the formation of severe pericardial effusion that is exacerbated by cardiac structural defects commonly associated with trisomy 21. Surgical teams should therefore use caution and plan to implement drainage in PAB cases, and postoperative serum albumin may serve as a useful biomarker for pericardial effusion formation.
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