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Hypertension as a late sequela of Henoch-Schönlein purpura

Naomi Nussinovitch1, Keren Elishkevitz, Benjamin Volovitz

  • 1Department of Internal Medicine D, Tel Hashomer Medical Center, Ramat Gan, Israel.

Clinical Pediatrics
|July 15, 2005
PubMed

Insights

Children with Henoch-Schönlein purpura (HSP) require long-term blood pressure monitoring, as hypertension can develop years later, even without initial kidney issues. Regular check-ups are crucial for early detection and management in pediatric patients.

Area of Science:

  • Pediatric Nephrology
  • Immunology
  • Cardiovascular Health

Background:

  • Henoch-Schönlein purpura (HSP) is a common childhood vasculitis.
  • Renal involvement is a significant concern in HSP, potentially leading to long-term complications.
  • The long-term sequelae of HSP, particularly hypertension, require further investigation.

Purpose of the Study:

  • To investigate the incidence and risk factors for developing hypertension in children after an episode of Henoch-Schönlein purpura.
  • To assess the correlation between renal involvement during HSP and the subsequent development of hypertension.
  • To determine the necessity of long-term blood pressure monitoring in pediatric HSP patients.

Main Methods:

  • Retrospective review of medical records for 155 children diagnosed with HSP between 1969 and 1997.
  • Analysis of data on renal involvement, blood pressure, and urinary abnormalities at diagnosis and during follow-up.
  • Categorization of patients based on initial presentation (renal involvement, hypertension, urinary abnormalities).

Main Results:

  • Hypertension was identified in 7 out of 155 children during long-term follow-up.
  • All hypertensive patients had a history of HSP; 5 had presented with nephritic-nephrotic syndrome.
  • Hypertension also occurred in one patient with macroscopic hematuria and normal blood pressure initially, and one with normal urine and blood pressure.
  • 30% of the study cohort experienced renal involvement during their HSP episode.

Conclusions:

  • Children with Henoch-Schönlein purpura are at risk of developing hypertension years after the initial illness.
  • The presence of renal abnormalities, especially nephritic-nephrotic syndrome, during HSP may indicate a higher risk for future hypertension.
  • Regular long-term monitoring of blood pressure is essential for all children with HSP, irrespective of initial renal status or urinary findings.

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