Perceived effort of funtional activities after a period of mechanical ventilation

Roos, Ronel; Aswegen, H. van; Eales, C. J.

doi:10.4102/sajp.v58i4.226

Cited by 5 publications

(3 citation statements)

References 2 publications

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“…A study carried out by Grant et al ( 1999 ) tested a group of active male volunteers to determine which of the subjective scales, the Likert Scale, the visual analogue scale or the MBS, were more sensitive to change and reproducible in the assessment of general fatigue and breathlessness during sub-maximal exercise. In general, the MBS proved to be the most sensitive in assessing change (Roos & Eales 2002 ). To determine participants’ severity post-stroke, the National Institutes of Health Stroke Scale (NIHSS) was used in our study.…”

Section: Research Methods and Designmentioning

confidence: 99%

Energy expenditure and effort of patients with stroke during sit to stand: A pilot study

Harington,

Comley-White,

Roos

2024

South African Journal of Physiotherapy

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Background: Sit-to-stand (STS) is a mechanically demanding task. Little is known about the energy expenditure (EE) and the perceived effort of patients with stroke during STS.Objectives: The objectives of our study were to assess the perceived effort and EE of patients with stroke when moving from STS and to determine whether an association between actual energy expended and patient-perceived effort exists.Method: This descriptive cross-sectional pilot study assessed participants’ EE and perceived effort during STS, with a triaxial accelerometer and the modified Borg scale (MBS), respectively.Results: The team screened 428 individuals for potential inclusion, with nine participants (n = 5 female, 55.5%) meeting the criteria for our pilot study. Participants had a mean age of 52.77 (standard deviation [SD] ± 11.33) years, the majority had a haemorrhagic stroke (n = 6, 66.6%) and left hemiplegia (n = 6, 66.6%), and they were assessed 9.11 (SD ± 6.57) days post-stroke. The mean EE during STS was 2.82 (SD ± 1.9) kCal. Most participants (n = 7, 77.77%) perceived STS as more than a ‘moderate’ effort on the MBS. The correlation coefficient between the metabolic equivalent of task (METs) and MBS was r = 0.34 (p = 0.38).Conclusion: Our study found a fair positive correlation between METs and MBS for patients with stroke during STS.Clinical implications: The increased EE shown can be a key point for rehabilitation to lessen the extent of EE during STS. Further research is warranted.

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Section: Research Methods and Designmentioning

confidence: 99%

Energy expenditure and effort of patients with stroke during sit to stand: A pilot study

Harington,

Comley-White,

Roos

2024

South African Journal of Physiotherapy

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“…In other words, PSCs are the sacrifice or the punishment that customers must incur (Jones and Taylor 2007 ). Since switching is a dynamic process the extends from the termination of existing costs and benefits to the acceptance of new providers, the relevant costs include all costs that customers face from the beginning of the provider switching decision to the final execution (Roos et al 2002 ). In previous research, clarity and consensus on the uni-dimensional or multi-dimensional structural characteristics of PSCs have been lacking.…”

Section: Theoretical Backgroundmentioning

confidence: 99%

The role of procedural, financial and relational switching costs in the Chinese online hotel booking market: antecedents and consequences

Huang

Wang

Jiang

et al. 2021

Inf Technol Tourism

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This study reveals the key facets of switching costs and their antecedents within the context of online hotel booking in China using mixed methods. Survey results based on 368 valid responses indicate significant antecedents stemming from the characteristics of the online booking market and the individual behavioural and experiential characteristics of customers. However, relational switching costs show a significant positive effect on customers' intentions to continue with their current online booking service provider, while other switching costs do not. Qualitative research further explores the multi-dimensional nature of customer-perceived switching costs and shows that consumers' habitual purchases with an online hotel booking service provider form trust, increasing the cost of brand relationship losses and preventing customers from switching. When the self-construal of consumers is different, the homogeneity of providers will have both a positive and negative impact on switching intentions. There are also some interesting findings regarding learning costs in the online hotel booking field. This study extends knowledge about customer retention in the competitive Chinese online booking market by incorporating different types of antecedents and testing their influences on different facets of switching costs as well as the consequences.

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“…The MBS is noted to be a reliable and valid tool for assessing subjective perceived effort (Noble et al, 1983, Neely et al, 1992, AACVPR, 1999. This specific instrument was used in case studies in mechanically ventilated patients (Jacavone and Young, 1998;Lush et al, 1998) and in the period after prolonged ventilation (Roos et al, 2002) with good results.…”

Section: Introductionmentioning

confidence: 99%

Exercise testing of patients after a period of prolonged mechanical ventilation

Roos

Aswegen

Eales

et al. 2004

South African Journal of Physiotherapy

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In this study, physical recovery of patients who received prolonged mechanical ventilation (PMV) was assessed with a six-phase functional exercise test after the period of ventilation. A prospective correlation study using a consecutive sampling method was carried out over a six-month period. Thirty-one patients were tested but five were lost to follow-up Statistical tests included the Pearson’s correlation coefficient, student’s paired t-test and Kaplan-Meier survival estimate. Subjective perceived effort changed significantly from phase to phase in the exercise test and over time (p < 0.00) Heart rate and respiratory rate responses indicated increased cardio-respiratory effort during the test. No correlation existed between subjective perceived

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Perceived effort of funtional activities after a period of mechanical ventilation

Cited by 5 publications

References 2 publications

Energy expenditure and effort of patients with stroke during sit to stand: A pilot study

Energy expenditure and effort of patients with stroke during sit to stand: A pilot study

The role of procedural, financial and relational switching costs in the Chinese online hotel booking market: antecedents and consequences

Exercise testing of patients after a period of prolonged mechanical ventilation

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