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Denommé-Pichon, Anne-Sophie; Vitobello, Antonio; Olaso, Robert; Ziegler, Alban; Jeanne, Médéric; Tran Mau-Them, Frédéric; Couturier, Victor; Racine, Caroline; Isidor, Bertrand; Poë, Charlotte; Jouan, Thibaud; Boland, Anne; Fin, Bertrand; Bacq-Daian, Delphine; Besse, Céline; Garde, Aurore; Prost, Adeline; Garret, Philippine; Tisserant, Émilie; Delanne, Julian; Nambot, Sophie; Juven, Aurélien; Gorce, Magali; Nizon, Mathilde; Vincent, Marie; Moutton, Sébastien; Fradin, Mélanie; Lavillaureix, Alinoë; Rollier, Paul; Capri, Yline; Van-Gils, Julien; Busa, Tiffany; Sigaudy, Sabine; Pasquier, Laurent; Barth, Magalie; Bruel, Ange-Line; Flamant, Cyril; Prouteau, Clément; Bonneau, Dominique; Toutain, Annick; Chantegret, Corinne; Callier, Patrick; Philippe, Christophe; Duffourd, Yannis; Deleuze, Jean-François; Sorlin, Arthur; Faivre, Laurence; Thauvin-Robinet, Christel
European journal of human genetics : EJHG, 05/2022, Letnik: 30, Številka: 5Journal Article
Obtaining a rapid etiological diagnosis for infants with early-onset rare diseases remains a major challenge. These diseases often have a severe presentation and unknown prognosis, and the genetic causes are very heterogeneous. In a French hospital network, we assessed the feasibility of performing accelerated trio-genome sequencing (GS) with limited additional costs by integrating urgent requests into the routine workflow. In addition to evaluating our capacity for such an approach, this prospective multicentre pilot study was designed to identify pitfalls encountered during its implementation. Over 14 months, we included newborns and infants hospitalized in neonatal or paediatric intensive care units with probable genetic disease and in urgent need for etiological diagnosis to guide medical care. The duration of each step and the pitfalls were recorded. We analysed any deviation from the planned schedule and identified obstacles. Trio-GS was performed for 37 individuals, leading to a molecular diagnosis in 18/37 (49%), and 21/37 (57%) after reanalysis. Corrective measures and protocol adaptations resulted in a median duration of 42 days from blood sampling to report. Accelerated trio-GS is undeniably valuable for individuals in an urgent care context. Such a circuit should coexist with a rapid or ultra-rapid circuit, which, although more expensive, can be used in particularly urgent cases. The drop in GS costs should result in its generalized use for diagnostic purposes and lead to a reduction of the costs of rapid GS.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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