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PEDIATRICS Vol. 113 No. 2 February 2004, pp. e150-e152

ELECTRONIC ARTICLE

Ultrafast Magnetic Resonance Imaging of the Neonate in a Magnetic Resonance-Compatible Incubator With a Built-in Coil

Elspeth H. Whitby, FFDRCSI*, Paul D. Griffiths, PhD*, Torsten Lonneker-Lammers{ddagger}, Ravi Srinivasan, PhD§, Daniel J.A. Connolly, FRCR||, David Capener, BSc* and Martyn N.J. Paley, PhD*

* Section of Academic Radiology, University of Sheffield, Sheffield, United Kingdom
{ddagger} Lammers Medical Technology, Lubeck, Germany
§ Advanced Imaging Research Inc, Cleveland, Ohio
|| Department of Radiology, Royal Hallamshire Hospital, Sheffield, United Kingdom

Background. Magnetic resonance (MR) imaging of the neonate is important clinically, because this group of patients often has complex and multiple problems due to prematurity and developmental abnormalities. MR imaging usually involves moving neonates away from their controlled environment to the scanner.

Objective. In this study we present the results of our initial experience with an MR-compatible incubator used on a 1.5-T system.

Methods. Seven neonates were imaged at 1.5 T without sedation or anesthesia. Images were obtained by using single-shot fast spin echo, 3-dimensional Fourier transfer gradient echo, and diffusion-weighted sequences. In 4 cases, time-of-flight angiography was performed.

Results. All 7 neonates were stable throughout the scan time (10–21 minutes). Experienced observers graded the images for quality, and all were graded excellent or good. In no case was the image quality poor.

Conclusion. Neonates can be imaged safely by using an MR-compatible incubator and fast image sequences. This method should allow neonates to be imaged by MR in sites at which a dedicated neonatal MR scanner is not available.

Key Words: magnetic resonance • neonate • incubator

Abbreviations: MR, magnetic resonance • SSFSE, single-shot fast spin echo • TR, repetition time • TE, echo time • SLT, slice thickness • NEX, number of excitations • ETL, echo train length • FA, flip angle • FLAIR, fluid attenuation inversion recovery

Received for publication Jun 10, 2003; Accepted Oct 20, 2003.