Document Detail

Multiple frequency bioimpedance: a bed-side technique for assessment of fluid shift patterns in a patient with severe dehydration.
MedLine Citation:
PMID:  16844598     Owner:  NLM     Status:  PubMed-not-MEDLINE    
This report describes the use of multiple frequency bioimpedance analysis (MFBIA) to monitor fluid changes in a patient who developed severe dehydration and recovered. Initially, the patient weighed 53.2 kg, his total body water (TBW; D(2)0 dilution) was 33.5 L, his extracellular water (ECW; Br dilution) was 19.5 L, and hydration of the fat-free mass (FFM; dual-energy X-ray absorptiometry) was normal (73%). The resistances at infinite and 0 frequency were R(inf) = 454 and R(0) = 580 ohm respectively, which predicted TBW = 33.1 L and ECW = 16.6 L. On day 7, when the weight loss was 7.2 kg, FFM had decreased by 7.4 kg, and R(inf) and R(0) had increased to 662 and 902 ohm respectively, predicting decreases of 5.8 L in TBW and 3.7 L in ECW. On recovery (day 14), all parameters had returned to baseline values. This study encourages the use of MFBIA as a bed-side technique for the serial assessment of body water compartments in patients with disturbances in fluid balance.
O Dewit; L Ward; S J Middleton; C Watson; P J Friend; M Elia
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Clinical nutrition (Edinburgh, Scotland)     Volume:  16     ISSN:  0261-5614     ISO Abbreviation:  Clin Nutr     Publication Date:  1997 Aug 
Date Detail:
Created Date:  2006-07-17     Completed Date:  2007-07-11     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8309603     Medline TA:  Clin Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  189-92     Citation Subset:  -    
MRC Dunn Clinical Nutrition Centre, Hills Road, Cambridge, CB2 2DH, UK.
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