{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T02:14:59Z","timestamp":1784081699679,"version":"3.55.0"},"reference-count":70,"publisher":"American Medical Association (AMA)","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA"],"published-print":{"date-parts":[[2023,3,28]]},"abstract":"Importance<\/jats:title>Guidelines recommend that all children and adolescents with hypertension undergo evaluation for secondary causes. Identifying clinical factors associated with secondary hypertension may decrease unnecessary testing for those with primary hypertension.<\/jats:p><\/jats:sec>Objective<\/jats:title>To determine the utility of the clinical history, physical examination, and 24-hour ambulatory blood pressure monitoring for differentiating primary hypertension from secondary hypertension in children and adolescents (aged \u226421 years).<\/jats:p><\/jats:sec>Data Sources and Study Selection<\/jats:title>The databases of MEDLINE, PubMed Central, Embase, Web of Science, and Cochrane Library were searched from inception to January 2022 without language limits. Two authors identified studies describing clinical characteristics in children and adolescents with primary and secondary hypertension.<\/jats:p><\/jats:sec>Data Extraction and Synthesis<\/jats:title>For each clinical finding in each study, a 2\u2009\u00d7\u20092 table was created that included the number of patients with and without the finding who had primary vs secondary hypertension. Risk of bias was assessed using the Quality Assessment of Diagnostic Accuracy Studies tool.<\/jats:p><\/jats:sec>Main Outcomes and Measures<\/jats:title>Random-effects modeling was used to calculate sensitivity, specificity, and likelihood ratios (LRs).<\/jats:p><\/jats:sec>Results<\/jats:title>Of 3254 unique titles and abstracts screened, 30 studies met inclusion criteria for the meta-analysis and 23 (N\u2009=\u20094210 children and adolescents) were used for pooling in the meta-analysis. In the 3 studies conducted at primary care clinics or school-based screening clinics, the prevalence of secondary hypertension was 9.0% (95% CI, 4.5%-15.0%). In the 20 studies conducted at subspecialty clinics, the prevalence of secondary hypertension was 44% (95% CI, 36%-53%). The demographic findings most strongly associated with secondary hypertension were family history of secondary hypertension (sensitivity, 0.46; specificity, 0.90; LR, 4.7 [95% CI, 2.9-7.6]), weight in the 10th percentile or lower for age and sex (sensitivity, 0.27; specificity, 0.94; LR, 4.5 [95% CI, 1.2-18]), history of prematurity (sensitivity range, 0.17-0.33; specificity range, 0.86-0.94; LR range, 2.3-2.8), and age of 6 years or younger (sensitivity range, 0.25-0.36; specificity range, 0.86-0.88; LR range, 2.2-2.6). Laboratory studies most associated with secondary hypertension were microalbuminuria (sensitivity, 0.13; specificity, 0.99; LR, 13 [95% CI, 3.1-53]) and serum uric acid concentration of 5.5 mg\/dL or lower (sensitivity range, 0.70-0.73; specificity range, 0.65-0.89; LR range, 2.1-6.3). Increased daytime diastolic blood pressure load combined with increased nocturnal systolic blood pressure load on 24-hour ambulatory blood pressure monitoring was associated with secondary hypertension (sensitivity, 0.40; specificity, 0.82; LR, 4.8 [95% CI, 1.2-20]). Findings associated with a decreased likelihood of secondary hypertension were asymptomatic presentation (LR range, 0.19-0.36), obesity (LR, 0.34 [95% CI, 0.13-0.90]), and family history of any hypertension (LR, 0.42 [95% CI, 0.30-0.57]). Hypertension stage, headache, and left ventricular hypertrophy did not distinguish secondary from primary hypertension.<\/jats:p><\/jats:sec>Conclusions and Relevance<\/jats:title>Family history of secondary hypertension, younger age, lower body weight, and increased blood pressure load using 24-hour ambulatory blood pressure monitoring were associated with a higher likelihood of secondary hypertension. No individual sign or symptom definitively differentiates secondary hypertension from primary hypertension.<\/jats:p><\/jats:sec>","DOI":"10.1001\/jama.2023.3184","type":"journal-article","created":{"date-parts":[[2023,3,28]],"date-time":"2023-03-28T15:03:16Z","timestamp":1680015796000},"page":"1012","source":"Crossref","is-referenced-by-count":8,"title":["Does This Child With High Blood Pressure Have Secondary Hypertension?"],"prefix":"10.1001","volume":"329","author":[{"given":"James T.","family":"Nugent","sequence":"first","affiliation":[{"name":"Section of Nephrology, Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut"},{"name":"Clinical and Translational Research Accelerator, Department of Medicine, Yale University School of Medicine, New Haven, Connecticut"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kuan","family":"Jiang","sequence":"additional","affiliation":[{"name":"Clinical and Translational Research Accelerator, Department of Medicine, Yale University School of Medicine, New Haven, Connecticut"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Melissa C.","family":"Funaro","sequence":"additional","affiliation":[{"name":"Harvey Cushing\/John Hay Whitney Medical Library, Yale University School of Medicine, New Haven, Connecticut"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ishan","family":"Saran","sequence":"additional","affiliation":[{"name":"Clinical and Translational Research Accelerator, Department of Medicine, Yale University School of Medicine, New Haven, Connecticut"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chelsea","family":"Young","sequence":"additional","affiliation":[{"name":"Section of Nephrology, Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lama","family":"Ghazi","sequence":"additional","affiliation":[{"name":"Clinical and Translational Research Accelerator, Department of Medicine, Yale University School of Medicine, New Haven, Connecticut"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christine Y.","family":"Bakhoum","sequence":"additional","affiliation":[{"name":"Section of Nephrology, Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut"},{"name":"Clinical and Translational Research Accelerator, Department of Medicine, Yale University School of Medicine, New Haven, Connecticut"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F. 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