Document Detail

Respiratory muscle strength but not BASFI score relates to diminished chest expansion in ankylosing spondylitis.
MedLine Citation:
PMID:  15168144     Owner:  NLM     Status:  MEDLINE    
Pulmonary function is altered in ankylosing spondylitis (AS) owing mainly to the restriction of chest wall involvement (limited chest expansion). The objective of this study was to investigate the relationship between chest expansion, respiratory muscle strength (MIP, MEP) maximum voluntary ventilation (MVV), and BASFI score in patients with AS. Twenty-three male patients with definite AS and 21 age-matched healthy male controls were recruited for the study. Patients with AS were assessed for functional status by BASFI. Measurement of chest expansion and lumbar spinal flexion (modified Schober) method was performed in all subjects. Pulmonary function tests were performed by spirometry. Respiratory muscle strength was evaluated by a mouth-pressure meter (MPM). Body mass index (kg/m(2)) was recorded in all individuals. Chest expansion and modified Schober measurement were significantly lower in AS patients (p<0.05). Pulmonary function tests revealed restrictive lung disease. The mean BASFI score suggested good functional capacity in the AS group. The respiratory muscle strength and MVV were also lower in AS (p<0.05). The chest expansion was correlated with MIP and MEP values (r=0.491; p=0.02, r=0.436; p=0.05). Chest expansion was also correlated negatively with disease duration (r=-0.502; p=0.03). In addition, there was no correlation between chest expansion and BASFI score (r=-0.076; p=0.773). This study demonstrates that functional status (BASFI) is not influenced by the limitation of chest wall movement. It may be as a result of the maintenance of moderate physical activity during active life in patients with AS.
Günşah Sahin; Mukadder Calikoğlu; Cengiz Ozge; Nurgul Incel; Ali Biçer; Bahar Ulşubaş; Hayal Güler
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Publication Detail:
Type:  Journal Article     Date:  2004-03-16
Journal Detail:
Title:  Clinical rheumatology     Volume:  23     ISSN:  0770-3198     ISO Abbreviation:  Clin. Rheumatol.     Publication Date:  2004 Jun 
Date Detail:
Created Date:  2004-05-28     Completed Date:  2004-10-14     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8211469     Medline TA:  Clin Rheumatol     Country:  Belgium    
Other Details:
Languages:  eng     Pagination:  199-202     Citation Subset:  IM    
Faculty of Medicine, Department of Physical Medicine and Rehabilitation, Mersin University, Fatih Mah.13 Sokak, Istanbul Evleri, C blok kat1/1, Mezitli, Mersin, Turkey.
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MeSH Terms
Health Status Indicators
Lung Diseases / etiology,  physiopathology*
Middle Aged
Pulmonary Ventilation / physiology
Respiratory Function Tests
Respiratory Mechanics / physiology*
Respiratory Muscles / physiopathology*
Spondylitis, Ankylosing / complications*
Thoracic Wall / physiopathology*

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