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We develop a novel next generation light-weight highly flexible pediatriccoil array, combine it with a high-density pediatric posterior array orconventional posterior phased array, and determine feasibility of pediatricclinical use. A highly flexible 16 element MRI receiver coil was constructedwith low-profile noise controlling preamplifiers that minimized reactive andresistive coupling. Element decoupling was assessed in flat and highly flexedstates. With IRB approval and informed consent and assent, 24 consecutivesubjects undergoing torso or extremity MRI were prospectively recruited. Careteam members were surveyed on preference for the coil versus conventional coilsand diagnostic acceptability of the images was recorded. Confidence interval ofproportion of diagnostic exams was calculated. The array without cable weighed480 grams, demonstrated good flexibility while maintaining element decoupling.The coil was preferred by all nurses and anesthesiologists involved in the careof the patients. Technologists preferred the coil in 96 percent of cases, and23 of 24 exams were diagnostically adequate with 85 percent confidence intervalof 90-100 percent. Light-weight highly flexible coil arrays can be constructedthat maintain element decoupling. Pediatric clinical image quality is likely tobe diagnostic, with acceptance by members of the care team.

Development and Clinical Implementation of Next Generation Very Light Weight and Extremely Flexible Receiver Arrays for Pediatric MRI