RT Book, Section A1 Bissonnette, Bruno A1 Luginbuehl, Igor A1 Engelhardt, Thomas SR Print(0) ID 1164072225 T1 HDR Syndrome T2 Syndromes: Rapid Recognition and Perioperative Implications, 2e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9781259861789 LK accesspediatrics.mhmedical.com/content.aspx?aid=1164072225 RD 2024/09/08 AB HDR is an acronym that stands for Hypoparathyroidism, Deafness, and Renal dysplasia. It is defined by the triad of hypoparathyroidism, renal dysplasia, and hearing loss. The presence of Hirschsprung disease is reported. This association suggests a DiGeorge-like Syndrome characterized by hypoparathyroidism, heart defects, immune deficiency, deafness, and renal malformations caused by a haploinsufficiency of the zinc-finger transcription factor GATA3.