講演情報
[I-P01-4-10]Feasibility of Stress Echocardiography During Bottle Feeding in Infants with Congenital Heart Disease
○岩島 覚1, 増井 大輔2, 早野 聡1, 關 圭吾1 (1.中東遠総合医療センター, 2.浜松医科大学小児科学教室)
キーワード：
新生児負荷心エコー、心機能、哺乳
Background: This study evaluated stress echocardiography during and after bottle feeding in infants with congenital heart disease (CHD).Methods: Forty-two infants with CHD (33 ventricular septal defects, 5 pulmonary stenoses, and other anomalies)and 2 other anomalies) underwent echocardiographic assessment during active feeding and post-feeding. They were divided into two groups based on B-type natriuretic peptide (BNP) levels: those with BNP levels greater than or equal to 50 pg per deciliter and those with levels less than 50 pg per deciliter. The fractional change (FC%), defined as (active feeding value minus post-feeding value) divided by the post-feeding value, was calculated. A p-value less than 0.05 was considered statistically significant.Results: No significant difference was found in postnatal age between the groups. However, infants with BNP levels less than 50 pg per deciliter (Group A, n = 27) showed a significantly higher weight gain (median 33 days of age, 38.9 grams per day) compared to those with BNP levels greater than or equal to 50 pg per deciliter (Group B, n = 15; median 36 days, 18.6 grams per day). The FC in heart rate was 24.7 percent in Group A versus 14.8 percent in Group B. Additionally, pulmonary hypertension was observed in 11.1 percent of Group A compared to 80.0 percent of Group B.Conclusions: Stress echocardiography during bottle feeding is a feasible alternative for assessing cardiac function in infants with CHD.