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Vol. 75, No. 2, 2008
Issue release date: March 2008
Section title: Clinical Investigations
Respiration 2008;75:158–162
(DOI:10.1159/000102608)

Dyspnea and Symptom Amplification in Asthma

Lavietes M.H. · Ameh J. · Cherniack N.S.
Pulmonary/Critical Care Division, Department of Medicine, New Jersey Medical School, Newark, N.J., USA

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Article / Publication Details

First-Page Preview
Abstract of Clinical Investigations

Received: 9/27/2006
Accepted: 1/11/2007
Published online: 5/9/2007
Issue release date: March 2008

Number of Print Pages: 5
Number of Figures: 2
Number of Tables: 2

ISSN: 0025-7931 (Print)
eISSN: 1423-0356 (Online)

For additional information: http://www.karger.com/RES

Abstract

Background: The severity of a patient’s asthma and the intensity with which he describes his dyspnea do not correlate. Objectives: There is an indirect relationship between airway function in asthma and the intensity of dyspnea; this relationship is found only when the measure of a patient’s general tendency to exaggerate the intensity of any somatic symptom is considered simultaneously. Methods: Lung function, including spirometry (forced expiratory volume in 1 s, FEV1) and plethysmography (airway resistance, Raw), dyspnea (Borg scale score) and the tendency to exaggerate (the somatosensory amplification scale score, SSAS) have been quantified in 42 stable asthmatic patients. Results: There was no correlation between the Borg score and any spirometric or plethysmographic measure in these subjects. By contrast, there was a moderate correlation between the Borg score and the SSAS (r = 0.36, p = 0.03). However, when FEV1 or Raw (abscissa) and Borg scores (ordinate) were converted to residuals, there was a moderate correlation between the residuals and the SSAS score (for FEV1, r = 0.33 and p = 0.05; for Raw, r = –0.36 and p = 0.03). Conclusion: A physician may make a reasonable estimate of an asthmatic patient’s lung function from the intensity of his complaint only if he – the physician – considers the patient’s tendency to symptom amplify as well.

© 2007 S. Karger AG, Basel


  

Author Contacts

Marc H. Lavietes, MD
University Hospital I354
100 Bergen Street
Newark, NJ 07103 (USA)
Tel. +1 973 972 6058, Fax +1 973 972 6228, E-Mail lavietmh@umdnj.edu

  

Article Information

Received: September 27, 2006
Accepted after revision: January 11, 2007
Published online: May 9, 2007
Number of Print Pages : 5
Number of Figures : 2, Number of Tables : 2, Number of References : 28

  

Publication Details

Respiration (International Journal of Thoracic Medicine)

Vol. 75, No. 2, Year 2008 (Cover Date: March 2008)

Journal Editor: Bolliger, C.T. (Cape Town)
ISSN: 0025–7931 (Print), eISSN: 1423–0356 (Online)

For additional information: http://www.karger.com/RES


Article / Publication Details

First-Page Preview
Abstract of Clinical Investigations

Received: 9/27/2006
Accepted: 1/11/2007
Published online: 5/9/2007
Issue release date: March 2008

Number of Print Pages: 5
Number of Figures: 2
Number of Tables: 2

ISSN: 0025-7931 (Print)
eISSN: 1423-0356 (Online)

For additional information: http://www.karger.com/RES


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