scholarly journals The correlation of respiratory muscle strength and cough capacity in stroke patients

2016 ◽  
Vol 28 (10) ◽  
pp. 2803-2805 ◽  
Author(s):  
Myeong-Rae Jo ◽  
Nan-Soo Kim
Keyword(s):  
Muscle Strength ◽  
Respiratory Muscle ◽  
Respiratory Muscle Strength ◽  
Stroke Patients

Abstract 2395: Respiratory Muscle Weakness in Acute Stroke Patients

Stroke ◽  
2012 ◽  
Vol 43 (suppl_1) ◽  
Author(s):  
Ross Pollock ◽  
Ged Rafferty ◽  
John Moxham ◽  
Lalit Kalra
Keyword(s):  
Systematic Review ◽  
Muscle Strength ◽  
Acute Stroke ◽  
Muscle Weakness ◽  
Respiratory Muscle ◽  
Mean Difference ◽  
Respiratory Muscle Strength ◽  
Inclusion Criteria ◽  
Stroke Patients ◽  
Respiratory Muscle Weakness

Background: Increased frequency of chest infections in acute stroke patients may be the result of respiratory muscle weakness contributing to a weak cough and poor airway clearance. We undertook a systematic review of studies comparing respiratory muscle strength in acute stroke patients with age-matched controls. Method: A systematic review of literature was performed using the electronic databases Medline, EMBASE, ISI web of knowledge and the Scopus. The key words searched were stroke or cerebrovascular accident in combination with cough, inspiratory, expiratory or respiratory and strength or weakness. Studies were included if they compared stroke patients with age matched controls and measured maximum inspiratory or expiratory mouth pressure (PImax and PEmax) for inspiratory and expiratory muscle strength respectively. Results: The initial search identified 136 articles, 14 of which remained after screening for pre-defined inclusion criteria and removal of duplicates. Eleven were excluded after reviewing abstracts (5 did not assess muscle strength, 5 did not include healthy control group, 1 absolute values could not be obtained). A further study was identified from the reference lists of screened articles. The 4 studies that met inclusion criteria included 121 subjects. Mean PImax ranged from 75-99 cmH 2 O in controls and 37-74 cmH 2 O in stroke patients. (mean difference 41 cmH 2 O, 95% CI 54 to 29 cm H 2 O; P<0.0001). Mean PEmax ranged from 52-89 cm H 2 O in stroke patients and was also reduced compared with age matched controls (mean difference 55 cmH 2 O, 95% CI 61 to 48 cmH 2 O; P<0.0001). ( Fig 1 ). Conclusion: Individual studies and pooled data suggest that respiratory muscle strength is impaired in acute stroke patients. However, these studies are limited by small samples and design heterogeneity. Larger studies are needed to assess the relationship of respiratory muscle weakness with chest infections and clinical outcomes in the acute phase.

scholarly journals The Retornus-2 study: impact of respiratory muscle training in subacute stroke patients with dysphagia, study protocol of a double-blind randomized controlled trial

Trials ◽  
2021 ◽  
Vol 22 (1) ◽  
Author(s):  
A. Guillen-Sola ◽  
M. Messaggi-Sartor ◽  
C. Ramírez-Fuentes ◽  
E. Marco ◽  
E. Duarte
Keyword(s):  
Muscle Strength ◽  
Respiratory Muscle ◽  
Trial Registration ◽  
Respiratory Muscle Training ◽  
Secondary Outcome ◽  
Respiratory Muscle Strength ◽  
Muscle Training ◽  
Stroke Patients ◽  
Randomized Controlled ◽  
Subacute Stroke

Abstract Background Stroke can lead to varying degrees of oropharyngeal dysphagia, respiratory muscle dysfunction and even increase medical complications such as aspiration, malnutrition and death. Recent studies suggest that inspiratory and expiratory respiratory muscle training (IEMT) can improve swallowing efficacy and may reduce aspiration events. The main purpose of this study is to examine whether an 8-week IEMT programme can improve respiratory muscle strength and swallow dysfunction severity in subacute stroke patients with dysphagia. Methods Retornus-2 is a two-arm, prospectively registered, randomized controlled study with blinded assessors and the participation of fifty individuals who have suffered a stroke. The intervention group undergoes IEMT training consisting of 5 sets of 10 repetitions, three times a day for 8 weeks. Training loads increase weekly. The control group undergoes a sham-IEMT protocol. The primary outcome examines the efficacy of the IEMT protocol to increase respiratory muscle strength and reduce dysphagia severity. The secondary outcome assesses the longitudinal impact of dysphagia on body composition and nutritional assessment over a 6-month follow-up. Discussion IEMT induces an improvement in respiratory muscle strength and might be associated with relevant benefits in dysphagia patterns, as well as a reduction in the number of aspiration events confirmed by videofluoroscopy or fiberoptic endoscopic evaluation of swallowing. The description of the impact of swallowing impairment on nutritional status will help develop new strategies to face this known side-effect. Trial registration Clinicaltrials.gov NCT03021252. Registered on 10 January 2017. https://clinicaltrials.gov/ct2/results?cond=retornus+2&term=&cntry=ES&state=&city=&dist= WHO trial Registration data set: Due to heavy traffic generated by the COVID-19 outbreak, the ICTRP Search Portal does not respond. The portal recommends other registries such as clinicaltrials.gov. Protocol version: RETORNUS 2_ PROTOCOL_2.

Relationship between respiratory muscle strength and gait asymmetry in stroke patients

2019 ◽  
Author(s):  
Yoshino Terui ◽  
Eriko Sutoh ◽  
Satomi Iwasawa ◽  
Kazuto Kikuchi ◽  
Yutaka Furukawa ◽  
...  
Keyword(s):  
Muscle Strength ◽  
Respiratory Muscle ◽  
Respiratory Muscle Strength ◽  
Stroke Patients ◽  
Gait Asymmetry
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