Cough Capacity in Patients with Muscular Dystrophy

Szeinberg, Amir; Tabachnik, Elvan; Rashed, Nashed; McLaughlin, Fiona; England, S. J.; Bryan, Charles A.; Levison, Henry

doi:10.1378/chest.94.6.1232

Cited by 130 publications

(85 citation statements)

References 11 publications

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“…They have also been shown to be more sensitive than thermocouples or thermistors to subtle changes in airflow and airway resistance, indicating the potential of pressure measurements for use in cough strength testing 1 . Szeinberg et al (1988) …”

Section: Cough Pressuresmentioning

confidence: 99%

Measuring voluntary and reflexive cough strength in healthy individuals

Mills

Jones

Huckabee

2017

Respiratory Medicine

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Section: Cough Pressuresmentioning

confidence: 99%

Measuring voluntary and reflexive cough strength in healthy individuals

Mills

Jones

Huckabee

2017

Respiratory Medicine

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“…If the IVC is <1.1l, the PCF is <160l ⁄ min, maximal expiratory pressure is < 45cmH 2 O, or peak expiratory pressure is <3kPa, patients are at risk of severe chest infections. 1,24,26 A PCF <270l ⁄ min is likely to fall below 160l ⁄ min at times of illness. 22 The risk of PCF <270l ⁄ min rises when the FVC is <2.1l.…”

Section: Resultsmentioning

confidence: 99%

“…26 If the maximal expiratory pressure is >60cmH 2 O, the cough is effective. Cough transients are the bursts of increase in flow above the normal forced expiratory flow that occur during coughing.…”

Section: Measures Of Respiratory Muscle Strengthmentioning

confidence: 99%

“…When patients with neuromuscular weakness are asked to perform a forced expiratory flow followed by a single partial inspiration and then successive coughs, effective cough transients are generated in those with maximal expiratory pressure >60cmH 2 O and are absent in those with maximal expiratory pressure <45cmH 2 O. 26 Dohna-Schwake et al 24 measured peak expiratory pressure after inspiration to inspiratory vital capacity (IVC) and found a peak expiratory pressure <3kPa to be sensitive (85.7%) but not specific (47.3%) for severe chest infections. Peak inspiratory pressure had only a weak influence on PCF.…”

Section: Measures Of Respiratory Muscle Strengthmentioning

confidence: 99%

“…Techniques to assist airway clearance should be taught when these levels are approached. 1,22,24,26 In general, teaching the techniques required when patients are well allows them to master the techniques for use when they are unwell or in the perioperative period.…”

Section: When To Assist Airway Clearancementioning

confidence: 99%

See 2 more Smart Citations

Airway clearance in neuromuscular weakness

Gauld

2009

Developmental Medicine &Amp; Child Neurology

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FVC Forced vital capacity IVC Inspiratory vital capacity PCF Peak cough flowImpaired airway clearance leads to recurrent chest infections and respiratory deterioration in neuromuscular weakness. It is frequently the cause of death. Cough is the major mechanism of airway clearance. Cough has several components, and assessment tools are available to measure the different components of cough. These include measuring peak cough flow, respiratory muscle strength, and inspiratory capacity. Each is useful in assessing the ability to generate an effective cough, and can be used to guide when techniques of assisting airway clearance may be effective for the individual and which are most effective. Techniques to assist airway clearance include augmenting inspiration by air stacking, augmenting expiration by assisting the cough, and augmenting both inspiration and expiration with the mechanical insufflator-exsufflator or by direct suctioning via a tracheostomy. Physiotherapists are invaluable in assisting airway clearance, and in teaching patients and their families how to use these techniques. Use of the mechanical insufflator-exsufflator has gained popularity in recent times, but several simpler, more economical methods are available to assist airway clearance that can be used effectively alone or in combination. This review examines the literature available on the assessment and management of impaired airway clearance in neuromuscular weakness.

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Pulmonary manifestations of neuromuscular disease with special reference to Duchenne muscular dystrophy and spinal muscular atrophy

Gozal

2000

Pediatr. Pulmonol.

201

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Cough Capacity in Patients with Muscular Dystrophy

Cited by 130 publications

References 11 publications

Measuring voluntary and reflexive cough strength in healthy individuals

Measuring voluntary and reflexive cough strength in healthy individuals

Airway clearance in neuromuscular weakness

Pulmonary manifestations of neuromuscular disease with special reference to Duchenne muscular dystrophy and spinal muscular atrophy

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