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A relationship between serum uric acid and PH has also been suggested. Our study aimed to assess the etiology of HT and factors associated with PH in a large European cohort of children referred for HT based on office blood pressure (BP) measurements.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods<\/jats:title>\n            <jats:p>We performed a retrospective analysis of 2008 children aged 0\u201318 years (12.3 \u00b1\u20094.9 years) diagnosed with HT. Patients were classified into white coat hypertension (WCH), PH, or SH groups based on office BP, 24-h ambulatory BP monitoring (ABPM) and clinical evaluation. Anthropometric, hemodynamic, and biochemical data were collected.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>Out of 2008 patients included in the analysis, 200 (10%) were excluded due to multifactorial HT diagnosis after kidney transplantation (KTx). Among the remaining patients HT was confirmed in 1260 (548 were classified as WCH). Of 1260 patients with HT: 49.3% had PH, while 50.7% SH, mainly secondary to renal parenchymal disease (43.5% of SH patients), aortic coarctation (20.7%), and renovascular HT (18%). Age &gt;\u200912.5 years, obesity (<jats:italic>BMI SDS<\/jats:italic> (standard deviation score) \u2265\u20091.65), and serum uric acid &gt;\u20094.8 mg\/dL were identified as significant factors associated with PH.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>Our study provides valuable insights into the current etiology of pediatric HT and highlights the role of age, obesity, and uric acid level in the diagnosis of PH in children.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Graphical abstract<\/jats:title>\n          <\/jats:sec>","DOI":"10.1007\/s00467-025-06761-x","type":"journal-article","created":{"date-parts":[[2025,5,20]],"date-time":"2025-05-20T11:26:54Z","timestamp":1747740414000},"page":"3233-3244","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Current etiology of hypertension in European children \u2014 factors associated with primary hypertension"],"prefix":"10.1007","volume":"40","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5134-8643","authenticated-orcid":false,"given":"\u0141ukasz","family":"Obrycki","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Krzysztof","family":"Skoczy\u0144ski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maksymilian","family":"Sikorski","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan","family":"Koziej","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kacper","family":"Mitoraj","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jakub","family":"Pilip","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Micha\u0142","family":"Pac","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Janusz","family":"Feber","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mieczys\u0142aw","family":"Litwin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,5,20]]},"reference":[{"key":"6761_CR1","doi-asserted-by":"publisher","first-page":"1154","DOI":"10.1001\/jamapediatrics.2019.3310","volume":"173","author":"P Song","year":"2019","unstructured":"Song P, Zhang Y, Yu J, Zha M, Zhu Y, Rahimi K, Rudan I (2019) Global prevalence of hypertension in children: a systematic review and meta-analysis. 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