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Titolo:
Effect of manually assisted cough and mechanical insufflation on cough flow of normal subjects, patients with chronic obstructive pulmonary disease (COPD), and patients with respiratory muscle weakness
Autore:
Sivasothy, P; Brown, L; Smith, IE; Shneerson, JM;
Indirizzi:
Papworth Hosp, Resp Support & Sleep Ctr, Cambridge CB3 8RE, England Papworth Hosp Cambridge England CB3 8RE Ctr, Cambridge CB3 8RE, England
Titolo Testata:
THORAX
fascicolo: 6, volume: 56, anno: 2001,
pagine: 438 - 444
SICI:
0040-6376(200106)56:6<438:EOMACA>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
AMYOTROPHIC-LATERAL-SCLEROSIS; EXPIRATORY FLOWS; EXSUFFLATION; VENTILATION; AIDS;
Keywords:
manually assisted cough; mechanical insufflation; cough flow physiology; chronic obstructive pulmonary disease; respiratory muscle weakness; scoliosis;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
32
Recensione:
Indirizzi per estratti:
Indirizzo: Sivasothy, P Papworth Hosp, Resp Support & Sleep Ctr, Papworth Everard, Cambridge CB3 8RE, England Papworth Hosp Papworth Everard Cambridge England CB3 8RE and
Citazione:
P. Sivasothy et al., "Effect of manually assisted cough and mechanical insufflation on cough flow of normal subjects, patients with chronic obstructive pulmonary disease (COPD), and patients with respiratory muscle weakness", THORAX, 56(6), 2001, pp. 438-444

Abstract

Background-It has been suggested that cough effectiveness can be improved by assisted techniques. The effects of manually assisted cough and mechanical insufflation on cough how physiology are reported in this study. Methods-The physiological actions and patient self-assessment of manually assisted cough and mechanical insufflation were investigated in 29 subjects(nine normal subjects, eight patients with chronic obstructive pulmonary disease (COPD), four subjects with respiratory muscle weakness (RMW) with scoliosis, and eight subjects with RMW without scoliosis). Results-The peak cough expiratory flow rate and cough expiratory volume were not improved by manually assisted cough and mechanical insufflation alone or in combination in normal subjects. The median increase in peak cough expiratory flow in subjects with RIMW without scoliosis with manually assisted cough alone or in combination with mechanical insufflation of 84 l/min (95% confidence interval (CI) 19 to 122) and 144 l/min (95% CI 14 to 195), respectively, reflects improvement in the expulsive phase of coughing by these techniques. Manually assisted cough and mechanical insufflation in combination raised peak expiratory flow rate more than either technique alone inthis group. The abnormal chest shape in scoliotic subjects and the fixed inspiratory pressure used made effective manually assisted cough and mechanical insufflation difficult in this group and no improvements were found. Inpatients with COPD manually assisted cough alone and in combination with mechanical insufflation decreased peak expiratory how rate by 144 l/min (95%CI 25 to 259) and 135 l/min (95% CI 30 to 312), respectively. Conclusions-Manually assisted cough and mechanical insufflation should be considered to assist expectoration of secretions in patients with RMW without scoliosis but not in those with scoliosis.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/09/20 alle ore 09:03:32