| Clinical features of paediatric pulmonary hypertension: a registry study. | |
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MedLine Citation:
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PMID: 22240409 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Paediatric pulmonary hypertension, is an important cause of morbidity and mortality, and is insufficiently characterised in children. The Tracking Outcomes and Practice in Pediatric Pulmonary Hypertension (TOPP) registry is a global, prospective study designed to provide information about demographics, treatment, and outcomes in paediatric pulmonary hypertension. METHODS: Consecutive patients aged 18 years or younger at diagnosis with pulmonary hypertension and increased pulmonary vascular resistance were enrolled in TOPP at 31 centres in 19 countries from Jan 31, 2008, to Feb 15, 2010. Patient and disease characteristics, including age at diagnosis and at enrolment, sex, ethnicity, presenting symptoms, pulmonary hypertension classification, comorbid disorders, medical and family history, haemodynamic indices, and functional class were recorded. Follow-up was decided by the patients' physicians according to the individual's health-care needs. FINDINGS: 362 of 456 consecutive patients had confirmed pulmonary hypertension (defined as mean pulmonary artery pressure ≥25 mm Hg, pulmonary capillary wedge pressure ≤12 mm Hg, and pulmonary vascular resistance index ≥3 WU/m(-2)). 317 (88%) patients had pulmonary arterial hypertension (PAH), which was idiopathic [IPAH] or familial [FPAH] in 182 (57%), and associated with other disorders in 135 (43%), of which 115 (85%) cases were associated with congenital heart disease. 42 patients (12%) had pulmonary hypertension associated with respiratory disease or hypoxaemia, with bronchopulmonary dysplasia most frequent. Finally, only three patients had either chronic thromboembolic pulmonary hypertension or miscellaneous causes of pulmonary hypertension. Chromosomal anomalies, mainly trisomy 21, were reported in 47 (13%) of patients with confirmed disease. Median age at diagnosis was 7 years (IQR 3-12); 59% (268 of 456) were female. Although dyspnoea and fatigue were the most frequent symptoms, syncope occurred in 31% (57 of 182) of patients with IPAH or FPAH and in 18% (eight of 45) of those with repaired congenital heart disease; no children with unrepaired congenital systemic-to-pulmonary shunts had syncope. Despite severe pulmonary hypertension, functional class was I or II in 230 of 362 (64%) patients, which is consistent with preserved right-heart function. INTERPRETATION: TOPP identifies important clinical features specific to the care of paediatric pulmonary hypertension, which draw attention to the need for paediatric data rather than extrapolation from adult studies. FUNDING: Actelion Pharmaceuticals. |
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Authors:
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Rolf M F Berger; Maurice Beghetti; Tilman Humpl; Gary E Raskob; D Dunbar Ivy; Zhi-Cheng Jing; Damien Bonnet; Ingram Schulze-Neick; Robyn J Barst |
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Publication Detail:
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Type: Journal Article; Multicenter Study Date: 2012-01-11 |
Journal Detail:
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Title: Lancet Volume: 379 ISSN: 1474-547X ISO Abbreviation: Lancet Publication Date: 2012 Feb |
Date Detail:
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Created Date: 2012-02-13 Completed Date: 2012-02-21 Revised Date: 2013-05-22 |
Medline Journal Info:
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Nlm Unique ID: 2985213R Medline TA: Lancet Country: England |
Other Details:
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Languages: eng Pagination: 537-46 Citation Subset: AIM; IM |
Copyright Information:
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Copyright © 2012 Elsevier Ltd. All rights reserved. |
Affiliation:
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Centre for Congenital Heart Diseases-Paediatric Cardiology, Beatrix Children's Hospital, University Medical Centre Groningen, University of Groningen, Netherlands. r.m.f.berger@umcg.nl |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Age of Onset Cardiac Catheterization Child Child, Preschool Female Humans Hypertension, Pulmonary / diagnosis*, etiology, physiopathology Infant Male Registries Vascular Resistance |
| Grant Support | |
ID/Acronym/Agency:
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UL1 RR025780/RR/NCRR NIH HHS |
| Comments/Corrections | |
Comment In:
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Lancet. 2012 Feb 11;379(9815):500-1
[PMID:
22240410
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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