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Is edema in minimal change disease of childhood really hypovolemic?

Yilmaz Tabel1, Ilke Mungan, Cemsit Karakurt

  • 1Department of Pediatric Nephrology, Faculty of Medicine, Inonu University, Turgut Ozal Tip Merkezi, Cocuk Klinigi, 44280 Malatya, Turkey. yilmaztabel@yahoo.com

International Urology and Nephrology
|April 17, 2008
PubMed

Insights

Children with minimal change disease (MCD) can be objectively classified as hypervolemic using measures like inferior vena cava indices. Diuretic treatment effectively resolves edema in these hypervolemic pediatric patients.

Area of Science:

  • Pediatric Nephrology
  • Cardiovascular Physiology

Background:

  • Minimal change disease (MCD) is a common cause of nephrotic syndrome in children.
  • Fluid overload (hypervolemia) is a frequent complication, but objective assessment in pediatric MCD is not well-established.

Purpose of the Study:

  • To determine if children with minimal change disease can be objectively classified as hypervolemic.
  • To evaluate the effectiveness of objective measures in assessing fluid status during edema and resolution phases.

Main Methods:

  • Included 18 children with newly diagnosed or relapsed MCD, steroid-free for 6 months.
  • Measured weight, height, and blood pressure during edema and after resolution.
  • Assessed volume status using inferior vena cava indices (IVCI) and collapsibility index (IVCCI) via echocardiography.

Main Results:

  • Patients presented with an average weight 8.5% higher than ideal dry weight.
  • Significant reductions in body weight, abdominal circumference, and blood pressure were observed post-treatment (P<0.05).
  • Inferior vena cava index (IVCI) significantly decreased, while inferior vena cava collapsibility index (IVCCI) significantly increased post-diuretic therapy (P<0.001).

Conclusions:

  • Objective echocardiographic measures confirm hypervolemia in children with MCD.
  • Diuretic therapy is effective in managing edema in hypervolemic pediatric MCD patients.
  • Close monitoring and diuretic management offer a viable alternative to IV albumin for edematous states in MCD.
Abstract

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