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Therapeutic lung lavages in children and adults

Christian Paschen1, Karl Reiter, Franz Stanzel

  • 1Dr. von Haunersches Kinderspital, University of Munich, Lindwurmstr. 4a, D-80337 Munich, Germany. christian-paschen@t-online.de

Respiratory Research
|November 24, 2005
PubMed

Insights

Therapeutic whole lung lavages effectively remove protein in Pulmonary Alveolar Proteinosis (PAP). Monitoring protein concentration during lavage helps optimize treatment, particularly for pediatric patients.

Area of Science:

  • Pulmonology
  • Biochemistry
  • Pediatric Medicine

Background:

  • Pulmonary alveolar proteinosis (PAP) is a rare condition with excessive surfactant accumulation in alveoli.
  • Whole lung lavage is the primary treatment for adult PAP, but its kinetics, especially in children, are poorly understood.

Purpose of the Study:

  • To investigate the kinetics of protein removal during therapeutic whole lung lavages in pediatric and adult PAP patients.
  • To assess the utility of biochemical monitoring for optimizing lavage efficiency.

Main Methods:

  • Retrospective analysis of 45 half lung lavages in 4 pediatric and 6 adult PAP patients.
  • Measurement of total protein, protein concentration, and aberrant pro-SP-C protein in lavage fluid.
  • Monitoring optical density of lavage fluid for real-time assessment.

Main Results:

  • Protein removal followed an exponential decline, with varying amounts removed in adults and children.
  • Pediatric patients showed elevated protein concentration per body weight.
  • Optical density measurements correlated with protein concentration, enabling bedside monitoring and lavage termination.

Conclusions:

  • Biochemical monitoring of therapeutic half lung lavages aids in estimating alveolar protein load.
  • This approach can improve the efficiency of wash-out procedures, with particular benefit for pediatric PAP patients.
Abstract

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