Document Detail


Whole-Lung Lavage: A Successful Treatment for Restoring Acinar Ventilation Distribution in Primary Acquired Pulmonary Alveolar Proteinosis.
MedLine Citation:
PMID:  22627079     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A 51-year-old active smoker with primary acquired pulmonary alveolar proteinosis (PAP) diagnosed by biopsy and anti-GM-CSF antibodies was treated safely with whole-lung lavage (WLL). This resulted in a rapid improvement of symptoms and arterial blood oxygenation, but not of standard lung function parameters. However, we also performed the multiple-breath nitrogen washout (MBW) test to determine the lung clearance index (LCI) as well as indices of acinar ventilation heterogeneity (S(acin)) and conductive ventilation heterogeneity (S(cond)). At baseline, a distinct abnormality was seen for S(acin) and LCI, while S(cond) was at the upper limit of normal for this subject. S(acin), in particular, was in excess of the S(acin) abnormality corresponding to a 20-pack-year smoking history. Immediately after WLL, S(acin) and S(cond) both fell to within a normal range while LCI also decreased but remained abnormal. The S(acin) decrease was much greater than the S(cond) decrease, which was to be expected after 1 week of smoking cessation at the hospital (smoking was resumed after release from hospital). A follow-up visit 7 weeks after WLL revealed a spectacular improvement on CT scan and improvements in standard lung function. Another follow-up visit 14 weeks after WLL showed further improvements in standard lung function, and both S(acin) and S(cond) remained well within the normal range, and LCI was above the upper limit of normal. We conclude that in this patient, removal of excess surfactant by WLL resulted in a restored ventilation distribution in most of the distal air spaces.
Authors:
E Vanderhelst; S Hanon; S Verbanck; D Schuermans; K Wissing; F Bonella; W Vincken
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-23
Journal Detail:
Title:  Respiration; international review of thoracic diseases     Volume:  -     ISSN:  1423-0356     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0137356     Medline TA:  Respiration     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 S. Karger AG, Basel.
Affiliation:
Respiratory Division, University Hospital Brussels, Brussels, Belgium.
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