The relationship of systemic right ventricular function to ECG parameters and NT-proBNP levels in adults with transposition of the great arteries late after Senning or Mustard surgery
Abstract:Circulating NT-proBNP levels and several surface ECG parameters constitute safe, cost-effective and widely available surrogate markers of systemic right ventricular function and provide additional information on heart failure status. Both measures hold promise as prognostic markers and their association with long-term outcome should be determined.
“…A similar association was described previously in adults with congestive heart failure from acquired heart disease, 29,30 as well as in a general group of adults with CHD 22 and, most recently, in patients with TGA. 31, 32 Moreover, the present data are also in agreement with the results from a smaller group of younger patients after ASO or with congenitally corrected TGA. In that study, asymptomatic patients had normal BNP, while BNP increased after deterioration of clinical status or with decreasing exercise capacity.…”
“…A similar association was described previously in adults with congestive heart failure from acquired heart disease, 29,30 as well as in a general group of adults with CHD 22 and, most recently, in patients with TGA. 31, 32 Moreover, the present data are also in agreement with the results from a smaller group of younger patients after ASO or with congenitally corrected TGA. In that study, asymptomatic patients had normal BNP, while BNP increased after deterioration of clinical status or with decreasing exercise capacity.…”
“…A significant negative correlation between BNP levels and RV function measured by either CMR or echocardiography was found in 5 of 8 studies (correlation coefficients ranging from r ϭ Ϫ0.42 to r ϭ Ϫ0.54) ( Table 2) (24,25,29,33,34). Secondly, a weaker but still significant positive correlation between BNP and end-diastolic RV volume was observed (24,25,29,33). Furthermore, a positive correlation was found between the severity of tricuspid valve regurgitation (TR) and BNP (27,35).…”
Section: Resultsmentioning
confidence: 81%
“…In addition, an association between BNP levels and NYHA functional class was reported in 3 studies (Table 2) (27,29,33). A significant negative correlation between BNP levels and RV function measured by either CMR or echocardiography was found in 5 of 8 studies (correlation coefficients ranging from r ϭ Ϫ0.42 to r ϭ Ϫ0.54) ( Table 2) (24,25,29,33,34). Secondly, a weaker but still significant positive correlation between BNP and end-diastolic RV volume was observed (24,25,29,33).…”
Brain natriuretic peptide (BNP) and N-terminal pro-brain natriuretic peptide (NT-proBNP) are well-established markers for heart failure in the general population. However, the value of BNP as a diagnostic and prognostic marker for patients with structural congenital heart disease (CHD) is still unclear. Therefore, the purpose of this study was to evaluate the clinical utility of BNP in patients with CHD. We executed a PubMed literature search and included 49 articles that focused on complex congenital heart defects such as tetralogy of Fallot, systemic right ventricle, and univentricular hearts. Data on BNP measurements and cardiac function parameters were extracted. In all patients after correction for tetralogy of Fallot, BNP levels were elevated and correlated significantly with right ventricular end-diastolic dimensions and severity of pulmonary valve regurgitation. Patients with a systemic right ventricle had elevated BNP levels, and positive correlations between BNP and right ventricular function were seen. In patients with a univentricular heart, elevated BNP levels were observed before completion of the Fontan circulation or when patients were symptomatic; a clear association between BNP and New York Heart Association functional class was demonstrated. In conclusion, this review shows an overall increase in BNP values in complex CHD, although differences between types of congenital heart anomaly are present. As BNP values differ widely, conclusions for individual patients should be drawn with caution. Further investigation with sequential BNP measurement in a large, prospective study is warranted to elucidate the prognostic value of BNP assessment in patients with CHD.
“…20 Natriuretic peptides and their relations to clinical and echocardiographic parameters have been recently studied in different particular congenital heart diseases. 16,[18][19][20][21][22][23][24][25][26][27][28] The neurohormonal activation in ACHD may persist many years after repair and it was found even in asymptomatic patients. 13,29 Residual lesions after repair may become more important In conclusion, our results show that NT-proBNP can be an extremely useful, quick and simple prognostic marker for identification of patients in high risk.…”
Natriuretic peptides are often elevated in congenital heart disease (CHD); however, the clinical impact on mortality is unclear. The aim of our study was to evaluate the prognostic value of N-terminal pro-brain natriuretic peptide (NT-proBNP) in the prediction of all-cause mortality in adults with different CHD. In this prospective longitudinal mortality study, we evaluated NT-proBNP in 1,242 blood samples from 646 outpatient adults with stable CHD (mean age 35 ± 12 years; 345 women). Patients were followed up for 6 ± 3 (1 to 10) years. The mortality rate was 5% (35 patients, mean age 40 ± 14 years, 17 women). Median NT-proBNP (pg/ml) was 220 in the whole cohort, 203 in survivors, and 1,548 in deceased patients. The best discrimination value for mortality prediction was 630 pg/ml with 74% sensitivity and 84% specificity. During the follow-up, the survival rate was 65% for those with median NT-proBNP ≥630 pg/ml and 94% for NT-proBNP <630 pg/ml; p <0.0001. There was only 1% mortality among 388 patients with at least 1 NT-proBNP value ≤220 pg/ml compared with 41% mortality among 54 patients with at least 1 NT-proBNP value >1,548 pg/ml. Even the first (baseline) measurements of NT-proBNP were strongly associated with a high risk of death (log10 NT-proBNP had hazard ratio 7, p <0.0001). In conclusion, NT-proBNP assessment is a useful and simple tool for the prediction of mortality in long-term follow-up of adults with CHD.
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