Percent predicted lung volumes as measured on fetal magnetic resonance imaging: a useful biometric parameter for risk stratification in congenital diaphragmatic hernia

被引:90
作者
Barnewolt, Carol E.
Kunisaki, Shaun M.
Fauza, Dario O.
Nemes, Luanne P.
Estroff, Judy A.
Jennings, Russell W. [1 ]
机构
[1] Childrens Hosp, Adv Fetal Care Ctr, Boston, MA 02115 USA
[2] Harvard Univ, Sch Med, Boston, MA 02115 USA
[3] Childrens Hosp, Dept Radiol, Boston, MA 02115 USA
[4] Childrens Hosp, Dept Surg, Boston, MA 02115 USA
关键词
congenital diaphragmatic hernia; pulmonary hypoplasia; magnetic resonance imaging; fetus; prenatal diagnosis; lung volumes; outcome; TO-HEAD RATIO; PRENATAL-DIAGNOSIS; HYPOPLASIA; SURVIVAL; RELIABILITY; ACCURACY; LIVER;
D O I
10.1016/j.jpedsurg.2006.09.018
中图分类号
R72 [儿科学];
学科分类号
100202 ;
摘要
Purpose: This study was aimed at determining whether a new method of analyzing lung volumes on fetal magnetic resonance (MR) imaging could be used to predict the degree of pulmonary compromise in congenital diaphragmatic hernia (CDH). Methods: Seventeen fetuses with CDH were prospectively evaluated by MR. Lung volumes were measured using an established technique and expressed as a percentage of tile predicted lung volume (PPLV). Predicted lung Volume was determined by subtracting measured mediastinal volume from total measured thoracic volume. The PPLV was correlated with postnatal Outcomes. Statistical analyses were performed using tile Mann-Whitney, Spearman correlation, or Fisher exact tests ( P <.05). Results: Of tile 14 liveborn patients, the PPLV was 20.3 +/- 10.4 (gestational age at MR, 22.3 +/- 5.7 weeks). The PPLV was significantly associated with extracorporeal membrane oxygenation (ECMO) use, hospital length of stay, and survival. All patients with a PPLV of less than 15 required prolonged ECMO support and had a 40%, survival rate. In contrast, only 11% of patients with a PPLV of greater than 15 required ECMO, and survival was 100%. Conclusion: The PPLV as measured by fetal MR imaging can accurately predict disease severity in CDH. A value of less than 15 is associated with a significantly higher risk for prolonged support and/or death, despite aggressive postnatal management. (c) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码:193 / 197
页数:5
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