Yield of diagnostic testing in evaluating etiology and end organ effects of pediatric hypertension.

Autor:	Ding, FangChao Linda, Elias, Isaac, Wright, Rebecca, De Mello, Alanna, Cojocaru, Dan, Dionne, Janis
Předmět:	HYPERTENSION risk factors LIPID analysis OBESITY CARDIOVASCULAR diseases risk factors ECHOCARDIOGRAPHY RENAL hypertension RENIN PREDICTIVE tests KIDNEYS MEDICAL care costs DIAGNOSTIC imaging RISK assessment ESSENTIAL hypertension COST effectiveness ALDOSTERONE CHILDREN
Zdroj:	Pediatric Nephrology; Feb2024, Vol. 39 Issue 2, p513-519, 7p
Abstrakt:	Background: Current recommendations regarding the utility of diagnostic investigations for pediatric hypertension are based on limited evidence, leading to wide practice variation. The objective of this study was to characterize the cohort of children that may benefit from secondary hypertension workup, and determine the diagnostic yield of investigations. Methods: This was a single-center, retrospective cohort study of 169 children aged 1–18 years referred between 2000 and 2015, to a tertiary pediatric nephrology center in Canada, for evaluation of hypertension. The number of investigations completed, abnormal findings, and diagnostic findings that helped establish hypertension etiology was determined. Results: 56 children were diagnosed with primary and 72 children with secondary hypertension in the outpatient setting. Secondary hypertension was predominant at all ages except for obese adolescents ≥ 12 years. Half of children with traditional risk factors for primary hypertension, including obesity, were diagnosed with secondary hypertension. Kidney ultrasound had the highest yield of diagnostic results (19.8%), with no difference in yield between age groups (P = 0.19). Lipid profile had a high yield of abnormal results (25.4%) as part of cardiovascular risk assessment but was only abnormal in overweight/obese children. Echocardiogram had a high yield for identification of target-organ effects in hypertensive children (33.3%). Conclusion: A simplified secondary hypertension workup should be considered for all hypertensive children and adolescents. High yield investigations include a kidney ultrasound, lipid profile for overweight/obese children, and echocardiograms for assessment of target-organ damage. Further testing could be considered based on results of initial investigations for the most cost-effective management. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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