PMID- 30187824 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20220129 IS - 2045-8932 (Print) IS - 2045-8940 (Electronic) IS - 2045-8932 (Linking) VI - 8 IP - 4 DP - 2018 Oct-Dec TI - High levels of healthcare utilization prior to diagnosis in idiopathic pulmonary arterial hypertension support the feasibility of an early diagnosis algorithm: the SPHInX project. PG - 2045894018798613 LID - 10.1177/2045894018798613 [doi] LID - 2045894018798613 AB - Idiopathic pulmonary arterial hypertension (iPAH) is a rare progressive, life-shortening disease, usually diagnosed at an advanced stage. We hypothesize that patients with iPAH exhibit patterns of health-seeking behavior before diagnosis that will allow the development of earlier identification tools. The Sheffield Pulmonary Hypertension IndeX (SPHInX) project aims to develop a predictive algorithm based on routinely collected healthcare resource utilization (HCRU) data. This report focuses on the initial feasibility of the project, examining whether Hospital Episode Statistics (HES) data from the National Health Service in England have sufficient richness to support the development of an early diagnosis algorithm. This is a two-stage study. First, hospital interactions during 2009-2014 captured in HES data identified 127,815 adult patients with pulmonary hypertension (PH) ICD-10 codes, containing a probable iPAH cohort with incidence and demographics similar to the reported literature. HCRU was high in the three years before diagnosis. Second, to examine HCRU in patients with a confirmed iPAH diagnosis, we built the SPHInX dataset incorporating all patients investigated for suspected PH in the Sheffield Pulmonary Vascular Disease Unit during 2008-2016 (n = 6674). For the SPHInX dataset, data could be linked to HES in 98.6% of cases and patients with confirmed iPAH had similar levels of pre-diagnosis HCRU. In conclusion, patients with probable iPAH identified using HES and patients with confirmed iPAH have high levels of HCRU for several years before diagnosis. Artificial intelligence models will now be used to develop the SPHInX algorithm to screen for undiagnosed iPAH in the general population. FAU - Bergemann, Rito AU - Bergemann R AD - 1 GlaxoSmithKline, Brentford, Middlesex, UK. AD - 2 Current affiliation: Evalueserve Life Sciences Healthcare, London, UK. FAU - Allsopp, James AU - Allsopp J AD - 3 Scientific Computing Group, Sheffield Teaching Hospitals Foundation Trust, Sheffield, UK. FAU - Jenner, Harvey AU - Jenner H AD - 4 IQVIA, London, UK. FAU - Daniels, Flora Ashley AU - Daniels FA AD - 4 IQVIA, London, UK. FAU - Drage, Edmund AU - Drage E AD - 4 IQVIA, London, UK. FAU - Samyshkin, Yevgeniy AU - Samyshkin Y AUID- ORCID: 0000-0003-3561-5585 AD - 1 GlaxoSmithKline, Brentford, Middlesex, UK. FAU - Schmitt, Claude AU - Schmitt C AD - 1 GlaxoSmithKline, Brentford, Middlesex, UK. FAU - Wood, Steven AU - Wood S AD - 3 Scientific Computing Group, Sheffield Teaching Hospitals Foundation Trust, Sheffield, UK. AD - 5 Department of Infection, Immunity & Cardiovascular Disease, University of Sheffield, Sheffield, UK. FAU - Kiely, David G AU - Kiely DG AD - 5 Department of Infection, Immunity & Cardiovascular Disease, University of Sheffield, Sheffield, UK. AD - 6 National Pulmonary Hypertension Service (Sheffield), Sheffield Pulmonary Vascular Unit, Royal Hallamshire Hospital, Sheffield, UK. AD - 7 INSIGNEO, University of Sheffield, Sheffield, UK. FAU - Lawrie, Allan AU - Lawrie A AD - 5 Department of Infection, Immunity & Cardiovascular Disease, University of Sheffield, Sheffield, UK. AD - 7 INSIGNEO, University of Sheffield, Sheffield, UK. CN - SPHInX Project team LA - eng GR - FS/13/48/30453/BHF_/British Heart Foundation/United Kingdom GR - FS/18/52/33808/BHF_/British Heart Foundation/United Kingdom PT - Journal Article PL - United States TA - Pulm Circ JT - Pulmonary circulation JID - 101557243 PMC - PMC6311599 OTO - NOTNLM OT - Hospital Episode Statistics OT - diagnosis OT - idiopathic pulmonary arterial hypertension OT - real-world data OT - right heart catheterization EDAT- 2018/09/07 06:00 MHDA- 2018/09/07 06:01 PMCR- 2018/09/06 CRDT- 2018/09/07 06:00 PHST- 2018/09/07 06:00 [entrez] PHST- 2018/09/07 06:00 [pubmed] PHST- 2018/09/07 06:01 [medline] PHST- 2018/09/06 00:00 [pmc-release] AID - 10.1177_2045894018798613 [pii] AID - 10.1177/2045894018798613 [doi] PST - ppublish SO - Pulm Circ. 2018 Oct-Dec;8(4):2045894018798613. doi: 10.1177/2045894018798613.