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Monitoring respiratory muscle strength assists in early diagnosis of respiratory dysfunction as opposed to the isolated use of pulmonary function evaluation in amyotrophic lateral sclerosis / Monitoramento da força muscular respiratória em detrimento do uso isolado da avaliação da função pulmonar para o diagnóstico precoce de disfunção respiratória em pacientes com esclerose lateral amiotrófica
Arquivos de Neuro-Psiquiatria; Fregonezi, Guilherme; Araújo, Palomma Russelly Saldanha; Macêdo, Tathiana Lindemberg Ferreira; Dourado Junior, Mario Emilio; Resqueti, Vanessa Regiane; Andrade, Armele de Fátima Dornelas de.
  • Fregonezi, Guilherme; Federal University of Rio Grande do Norte (UFRN). PneumoCardioVascular and Respiratory Muscle Performance, Department of Physical Therapy. Natal. BR
  • Araújo, Palomma Russelly Saldanha; Federal University of Rio Grande do Norte (UFRN). PneumoCardioVascular and Respiratory Muscle Performance, Department of Physical Therapy. Natal. BR
  • Macêdo, Tathiana Lindemberg Ferreira; Federal University of Rio Grande do Norte (UFRN). PneumoCardioVascular and Respiratory Muscle Performance, Department of Physical Therapy. Natal. BR
  • Dourado Junior, Mario Emilio; Federal University of Rio Grande do Norte (UFRN). PneumoCardioVascular and Respiratory Muscle Performance, Department of Physical Therapy. Natal. BR
  • Resqueti, Vanessa Regiane; Federal University of Rio Grande do Norte (UFRN). PneumoCardioVascular and Respiratory Muscle Performance, Department of Physical Therapy. Natal. BR
  • Andrade, Armele de Fátima Dornelas de; Federal University of Rio Grande do Norte (UFRN). PneumoCardioVascular and Respiratory Muscle Performance, Department of Physical Therapy. Natal. BR
Arq. neuropsiquiatr ; 71(3): 146-152, mar. 2013. tab, graf
Article in English | LILACS | ID: lil-668758
ABSTRACT
Objective It was study the relationship between respiratory muscle strength and forced vital capacity (FVC) in patients with amyotrophic lateral sclerosis (ALS) versus healthy subjects. <a class="decs" id="22045">Methods</a> Pulmonary function and respiratory muscle strength [maximal inspiratory (PImax), maximal expiratory (PEmax) and sniff nasal inspiratory pressure (SNIP)] were assessed in patients with ALS and healthy subjects, matched using cutoffs established in the literature for impaired pulmonary function and respiratory muscle weakness. Results Twenty-eight ALS patients and 28 healthy subjects were studied. We found sensitivity and specificity for PImax, PEmax and SNIP of 75/58%, 81/67% and 75/67%. The Receiver Operating Characteristic curve (ROC curve) indicated that the variables PImax, PEmax and SNIP can identify differences in respiratory muscle strength between ALS and healthy individuals at 0.89, 0.9 and 0.82, respectively. A positive correlation was recorded between FVC (%) versus SNIP, PImax and PEmax. Conclusion In ALS, monitoring respiratory muscle strength assists in early diagnosis of respiratory dysfunction as opposed to the isolated use of FVC. .
RESUMO
Objetivo Estudar a relação entre a força dos músculos respiratórios e a capacidade vital forçada (CVF) em pacientes com esclerose lateral amiotrófica (ELA) e sujeitos saudáveis. <a class="decs" id="22045">Métodos</a> Avaliamos a função pulmonar e a força dos músculos respiratórios [pressão inspiratória (PImax), pressão expiratória (PEmax) e pressão inspiratória nasal de sniff (SNIP)] utilizando pontos de corte estabelecidos na literatura para diagnóstico de fraqueza muscular respiratória. Resultados Foram estudados 28 pacientes com ELA e 28 sujeitos saudáveis. Encontramos sensibilidade e especificidade para PImax, PEmax e SNIP de 75/58%, 81/67% e 75/67%. A curva ROC (Receiver Operating Characteristic) indicou que as variáveis PImax, PEmax e SNIP podem identificar diferenças na força dos músculos respiratórios em pacientes com ELA versus sujeitos saudáveis em 0,89, 0,9 e 0,82 respectivamente. Foi encontrada uma correlação positiva entre CVF (%) e SNIP, PImax e PEmax. Conclusão Em pacientes com ELA, o monitoramento da força muscular respiratória auxilia no diagnóstico precoce da disfunção em detrimento do uso da CVF isolada. .
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Respiration / Respiration Disorders / Respiratory Muscles / Muscle Strength / Amyotrophic Lateral Sclerosis Type of study: Diagnostic study / Observational study / Prognostic study / Risk factors / Screening study Limits: Adult / Aged / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Rio Grande do Norte (UFRN)/BR

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Full text: Available Index: LILACS (Americas) Main subject: Respiration / Respiration Disorders / Respiratory Muscles / Muscle Strength / Amyotrophic Lateral Sclerosis Type of study: Diagnostic study / Observational study / Prognostic study / Risk factors / Screening study Limits: Adult / Aged / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Rio Grande do Norte (UFRN)/BR