PMID- 35731233 OWN - NLM STAT- MEDLINE DCOM- 20220829 LR - 20221020 IS - 1545-5017 (Electronic) IS - 1545-5009 (Linking) VI - 69 IP - 10 DP - 2022 Oct TI - Defining vascular anomaly phenotypes in children based on a systematic literature search: A critical step in developing a single severity score for interventional clinical trials. PG - e29869 LID - 10.1002/pbc.29869 [doi] AB - INTRODUCTION: Genetically targeted drugs in vascular anomalies (VA) are used despite the absence of a validated severity score. The aim of this study was to evaluate the feasibility of grouping phenotypic VA clinical characteristics into a single severity score. METHODS: A systematic literature review including children treated with sirolimus accompanied by a detailed description of phenotype and management was conducted. Demographic data and clinical features were extracted to define distinct categories of phenotypes. RESULTS: Children with VA display two main phenotypes regardless of VA subtype, which may overlap. A systemic phenotype results from direct invasion and compression of vital structures generally leading to hospitalization and aggressive management in infancy. A functional phenotype is associated with chronic pain and disability manifesting mainly during early adolescence and managed in the outpatient setting. CONCLUSION: The two distinct phenotypes described could be the basis for developing a unified scoring system for VA severity assessment. CI - (c) 2022 Wiley Periodicals LLC. FAU - Gariepy-Assal, Laurence AU - Gariepy-Assal L AD - Pediatric Residency Program, CHU Sainte-Justine, Universite de Montreal, Montreal, Quebec, Canada. FAU - Dubois, Josee AU - Dubois J AD - Department of Radiology, CHU Sainte-Justine, Universite de Montreal, Montreal, Quebec, Canada. AD - Vascular Anomaly Team, CHU Sainte-Justine, Universite de Montreal, Canada. AD - Vascular Anomalies Canada, Anomalies Vasculaires, Montreal, Quebec, Canada. AD - Research Center, CHU Sainte-Justine, Universite de Montreal, Montreal, Quebec, Canada. FAU - Zwicker, Kelley AU - Zwicker K AD - Vascular Anomalies Canada, Anomalies Vasculaires, Montreal, Quebec, Canada. AD - Department of Pediatrics, Children's Hospital of Eastern Ontario, University of Ottawa, Ottawa, Ontario, Canada. FAU - Pincivy, Alix AU - Pincivy A AD - Library, CHU Sainte-Justine, Universite de Montreal, Montreal, Quebec, Canada. FAU - Powell, Julie AU - Powell J AD - Vascular Anomaly Team, CHU Sainte-Justine, Universite de Montreal, Canada. AD - Vascular Anomalies Canada, Anomalies Vasculaires, Montreal, Quebec, Canada. AD - Division of Dermatology, Department of Pediatrics, CHU Sainte-Justine, Universite de Montreal, Montreal, Quebec, Canada. FAU - Zhang, Yang AU - Zhang Y AD - Canadian Economic Analysis Department, Bank of Canada, Ottawa, Ontario, Canada. FAU - Breakey, Vicky AU - Breakey V AD - Vascular Anomalies Canada, Anomalies Vasculaires, Montreal, Quebec, Canada. AD - Division of Pediatric Hematology/Oncology, McMaster University, Hamilton, Ontario, Canada. FAU - Price, Victoria AU - Price V AD - Vascular Anomalies Canada, Anomalies Vasculaires, Montreal, Quebec, Canada. AD - Division of Pediatric Hematology-Oncology, Department of Pediatrics, Dalhousie University, Halifax, Nova Scotia, Canada. FAU - Brandao, Leonardo R AU - Brandao LR AD - Vascular Anomalies Canada, Anomalies Vasculaires, Montreal, Quebec, Canada. AD - Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada. AD - Division of Haematology/Oncology, Department of Paediatrics, Hospital for Sick Children, Toronto, Ontario, Canada. FAU - Carcao, Manuel AU - Carcao M AD - Vascular Anomalies Canada, Anomalies Vasculaires, Montreal, Quebec, Canada. AD - Division of Haematology/Oncology, Department of Paediatrics, Hospital for Sick Children, Toronto, Ontario, Canada. FAU - Kleiber, Niina AU - Kleiber N AD - Vascular Anomaly Team, CHU Sainte-Justine, Universite de Montreal, Canada. AD - Vascular Anomalies Canada, Anomalies Vasculaires, Montreal, Quebec, Canada. AD - Department of Pediatrics, CHU Sainte-Justine, Universite de Montreal, Montreal, Quebec, Canada. AD - Research Center, CHU Sainte-Justine, Universite de Montreal, Montreal, Quebec, Canada. AD - Department of Pharmacology and Physiology, Universite de Montreal, Montreal, Quebec, Canada. LA - eng PT - Journal Article PT - Review PT - Systematic Review DEP - 20220720 PL - United States TA - Pediatr Blood Cancer JT - Pediatric blood & cancer JID - 101186624 RN - W36ZG6FT64 (Sirolimus) SB - IM MH - Humans MH - Phenotype MH - Sirolimus/therapeutic use MH - *Vascular Malformations/complications/genetics/therapy OTO - NOTNLM OT - burden OT - children OT - drugs OT - pediatrics OT - pharmacodynamics OT - severity score OT - sirolimus OT - targeted treatment OT - vascular anomaly OT - vascular malformation OT - vascular tumor EDAT- 2022/06/23 06:00 MHDA- 2022/08/30 06:00 CRDT- 2022/06/22 11:03 PHST- 2022/05/18 00:00 [revised] PHST- 2022/03/19 00:00 [received] PHST- 2022/06/16 00:00 [accepted] PHST- 2022/06/23 06:00 [pubmed] PHST- 2022/08/30 06:00 [medline] PHST- 2022/06/22 11:03 [entrez] AID - 10.1002/pbc.29869 [doi] PST - ppublish SO - Pediatr Blood Cancer. 2022 Oct;69(10):e29869. doi: 10.1002/pbc.29869. Epub 2022 Jul 20.