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Titolo:
Descriptors of breathlessness in healthy individuals - Distinct and separable constructs
Autore:
Harver, A; Mahler, DA; Schwartzstein, RM; Baird, JC;
Indirizzi:
Univ N Carolina, Dept Psychol, Charlotte, NC 28223 USA Univ N Carolina Charlotte NC USA 28223 t Psychol, Charlotte, NC 28223 USA Dartmouth Med Sch, Dept Med, Dartmouth, NH USA Dartmouth Med Sch Dartmouth NH USA Med Sch, Dept Med, Dartmouth, NH USA Dartmouth Coll, Dept Psychol & Brain Sci, Dartmouth, NH USA Dartmouth Coll Dartmouth NH USA t Psychol & Brain Sci, Dartmouth, NH USA Harvard Univ, Sch Med, Dept Med, Boston, MA USA Harvard Univ Boston MA USA rvard Univ, Sch Med, Dept Med, Boston, MA USA
Titolo Testata:
CHEST
fascicolo: 3, volume: 118, anno: 2000,
pagine: 679 - 690
SICI:
0012-3692(200009)118:3<679:DOBIHI>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
PATHOPHYSIOLOGIC MECHANISMS; VERBAL DESCRIPTORS; PAIN; DIMENSIONS; DYSPNEA; VOLUNTEERS; SENSATIONS; LANGUAGE; DISEASE; ASTHMA;
Keywords:
cluster analysis; descriptors of breathlessness; dyspnea; multidimensional scaling;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Harver, A Univ N Carolina, Dept Psychol, 9201 Univ City Blvd, Charlotte, NC 28223 USA Univ N Carolina 9201 Univ City Blvd Charlotte NC USA 28223 3 USA
Citazione:
A. Harver et al., "Descriptors of breathlessness in healthy individuals - Distinct and separable constructs", CHEST, 118(3), 2000, pp. 679-690

Abstract

Study objectives: We tested the hypothesis that descriptors of breathlessness represent distinct and separable cognitive constructs, and predicted that the use of descriptors of breathlessness by healthy individuals is the same as their use by patients with cardiopulmonary disease. Design: Cluster analyses obtained in healthy individuals were compared with those obtained previously in patients who complained of breathing discomfort. In addition, we used multidimensional scaling (MDS) techniques to analyze relationships among descriptors in healthy individuals. Setting : Public university. Participants: The participants were 100 healthy individuals (48 men and 52women) ranging in age between 18 and 65 years (mean, 27.9 +/- 11.7 years). Measurements and results: Participants judged the dissimilarity among pairs of 15 descriptors of breathlessness that were used previously to examine the experience of dyspnea in patients who complained of breathing discomfort. Cluster analysis solutions obtained in the healthy individuals were virtually identical to those obtained previously in patients. Three dimensions (attributes) of breathing discomfort were uncovered with MDS: "Depth and frequency of breathing," "Perceived need, or urge, to breathe," and "Difficulty breathing and phase of respiration. " The results did not depend oil age,sex, levels of education, or the presence of uncomfortable awareness of breathing with activities. Conclusions: The relations among descriptors of breathlessness obtained inhealthy individuals support the contention that the association of different clusters,vith different disease states reflects distinct and separable cognitive constructs that are not simply dependent on the presence of an underlying pathophysiology or on a specific disease condition. Our results in healthy individuals also suggest that distinct qualities of breathlessness relate to different physiologic mechanisms underlying respiratory discomfort.

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Documento generato il 07/07/20 alle ore 12:38:35