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084 Is there a positive correlation between single breath count and forced vital capacity?
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Journal Article
084 Is there a positive correlation between single breath count and forced vital capacity?
2022
Overview
IntroductionMonitoring respiratory function is a critical part of the management of patients with acute neuromuscular disease. Single breath count (SBC) testing is often performed as a surrogate for the Forced Vital Capacity (FVC), especially in resource poor environments. However, equivalence of these two tests has not been formally evaluated.MethodsWe will compare the SBC and FVC in 50 healthy adults. Correlation will be evaluated using linear regression and factors influencing the SBC and FVC will be investigated.ResultsTo date 10 participants have been recruited (4 male, 6 female, mean age 30 years). Provisional analysis has shown a mean best SBC and FVC was 71 (SD 19) and 4.8 Litres (SD 1.3) respectively. In this small sample a significant correlation between SBC and FVC was demonstrated (p=0.03, R-squared=0.47). Recruitment is on schedule to complete by March 2020 and full results will be available for presentation at the conference.DiscussionTo our knowledge no study has directly compared SBC and FVC in healthy adult population. Our study will provide useful data to help understand the appropriateness of interchanging these tests in clinical practice.aram.aslanyan@srft.nhs.uk
Publisher
BMJ Publishing Group Ltd,BMJ Publishing Group LTD
Subject
