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Echocardiographic findings in children ill with acute postinfectious glomerulonephritis

Augustina Jankauskiene1, Marija Jakutovic2, Vilija Cerniauskiene2

  • 1Vilnius University Children's Hospital, Santariskiu 4, 2600, Vilnius, Lithuania. augustina@taide.lt.

European Journal of Pediatrics
|May 30, 2003
PubMed

Insights

Children with acute postinfectious glomerulonephritis (APGN) show cardiac changes like increased left ventricular size and diastolic dysfunction. These heart abnormalities are linked to blood pressure, edema, and kidney function, improving but not fully resolving post-treatment.

Area of Science:

  • Pediatric Nephrology
  • Cardiology
  • Internal Medicine

Background:

  • Limited research exists on cardiac involvement in acute glomerular diseases compared to chronic kidney conditions.
  • Acute postinfectious glomerulonephritis (APGN) is a common pediatric renal disease requiring investigation into its systemic effects.
  • Cardiac dysfunction can significantly impact patient outcomes in renal diseases.

Purpose of the Study:

  • To evaluate echocardiographic alterations in children diagnosed with APGN.
  • To determine the relationship between these cardiac changes and clinical parameters such as blood pressure, edema, and glomerular filtration rate (GFR).
  • To assess the reversibility of cardiac changes following treatment.

Main Methods:

  • Echocardiography was performed on 127 children with APGN upon hospital admission.
  • A subset of 51 patients underwent follow-up echocardiography after 6-8 weeks.
  • Echocardiographic data were compared to 124 healthy controls and analyzed in relation to GFR and edema.

Main Results:

  • In the acute phase, APGN patients exhibited significantly increased left ventricular (LV) internal end-diastolic diameter, interventricular septum thickness, LV mass, and prolonged diastolic flow deceleration time.
  • Higher incidences of mitral regurgitation and pericardial effusion were observed in APGN patients compared to controls.
  • While echocardiographic parameters improved at follow-up, some measures like LV posterior wall thickness and LV mass remained elevated, influenced by GFR and edema.

Conclusions:

  • Children with APGN experience significant cardiac changes, including left ventricular enlargement, hypertrophy, and diastolic dysfunction.
  • These echocardiographic findings are associated with clinical indicators of disease severity, specifically edema and impaired GFR.
  • Further research is needed to explore the impact of therapeutic interventions on these cardiac manifestations.

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