Correlation of peak expiratory flow rate and single breath count in normal adults

Bhandare, Sushama A.; Rasal, Sayali S.; Iyer, Saraswati

doi:10.18203/2320-6012.ijrms20212516

Cited by 3 publications

(7 citation statements)

References 18 publications

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“…A total of 13 studies ( n =13) were included in the review out of which 10 studies were prospective studies 11 – 20 , 1 was retrospective 21 , 1 viewpoint 22 and 1 was cohort 23 altogether consisting of 1300 participants (sample size ranging from 22 to 516). Two studies 12 , 20 recruited healthy patients, and the remaining 10 studies recruited patients with one or more illnesses. The detailed characteristics of each study are summarized in Table 1 .…”

Section: Resultsmentioning

confidence: 99%

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Single breath count test and its applications in clinical practice: a systematic review

Bhandari,

Bist,

Ghimire

2024

Annals of Medicine &Amp; Surgery

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Background: Single breath count test (SBCT) may be a reproducible, rapid, easy to perform and easy to interpret substitute to spirometry especially in low resource settings for certain conditions. Its interest has been rekindled with the recent COVID-19 pandemic and it can be done as a part of tele-medicine as well. Objectives: The Objective of this review was to summarize the evidence of single breath count test in clinical practice. Methods: We searched EMBASE, PubMed and Google Scholar for all the relevant articles as per exclusion and inclusion criteria. Two authors independently screened all the studies. Newcastle Ottawa Scale was used to assess the quality of the studies. The systematic review was carried following the PRISMA guidelines. Results: After the rigorous process of screening, a total of 13 articles qualified for the systematic review. Single breath count test (SBCT) >25 had sensitivity of >80% in diagnosing Myasthenia Gravis exacerbation and SBCT <=5 predicted the need for mechanical ventilation in Guillain–Barre syndrome (GBS) patients with 95.2% specificity. Also, Single breath count correlated significantly with Forced Expiratory volume in 1 second (FEV1) and forced vital capacity (FVC) in children with pulmonary pathology and in patients with COVID 19 it was used to rule out the need for Noninvasive Respiratory Support. Conclusion: Single breath count test will undoubtedly be an asset in low resource settings and in telemedicine to assess the prognosis and guide management of different respiratory and neuromuscular diseases.

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Section: Resultsmentioning

confidence: 99%

“…Bhandare et al . 20 . in a study among 100 healthy participants with a mean age of 31.5 years found that SBC had a significant correlation of 0.7 with peak expiratory flow rate (PEFR).…”

Section: Resultsmentioning

confidence: 99%

Single breath count test and its applications in clinical practice: a systematic review

Bhandari,

Bist,

Ghimire

2024

Annals of Medicine &Amp; Surgery

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“…After removing duplicates and analyzing titles and abstracts, of the 574 titles, 65 articles remained to be reviewed and analyzed in full, of which 24 were considered potentially relevant for this review. An indepth analysis defined the exclusion of 13 publications for not presenting results regarding the relationship between SBCT and VC in the scope [14,[27][28][29][30][31][32][33][34][35][36][37][38] (figure 1).…”

Section: Identification and Selection Of Studiesmentioning

confidence: 99%

Single breath counting technique to assess pulmonary function: a systematic review and meta-analysis

Delmondes,

Couto,

Correia Junior

et al. 2023

J. Breath Res.

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Pulmonary function is usually assessed by measuring Vital Capacity (VC) using equipment such as a spirometer or ventilometer, but these are not always available to the population, as they are relatively expensive tests, difficult to transport and require trained professionals. However, the Single Breath Counting Technique (SBCT) appears as a possible alternative to respiratory function tests, to help in the pathophysiological understanding of lung diseases. The objective is to verify the applicability of the SBCT as a parameter for evaluating VC. This is a systematic review registered in the International Prospective Register of Systematic Reviews (CRD42023383706) and used for PubMed®, SciELO, LILACS, EMBASE, and Web of Science databases of articles published until January 2023. Methodological quality regarding the risk of bias was assessed using QUADAS-2 and NIH tools. Eleven of a total of 574 studies were included, of these, nine showed a correlation between VC and SBCT (weak in healthy, moderate in neuromuscular and strong in hospitalized patients). One study of hospitalized patients accurately identified a count value of 21 for a VC of 20ml/kg (Sensitivity=94% and Specificity=77%), and another estimated a count lower than 41 for a VC below 80% of predicted in patients with neuromuscular dystrophy (Sensitivity=89% and Specificity=62%), and another showed good intra and inter-examiner reproducibility in young, adult and elderly populations. A meta-analysis of three studies showed a moderate correlation in subjects with neuromuscular diseases (r=0.62, 95% CI=0.52-0.71, p<0.01). A high risk of bias was identified regarding the justification of the sample size and blinding of the evaluators. SBCT has been presented as an alternative to assess VC in the absence of specific equipment. There is a clear relationship between SBCT and VC, especially in neuromuscular and hospitalized individuals. New validation studies conducted with greater control of potential bias risks are necessary.

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“…It varies with age, height, heath status of the person. 19 Surgeries like sternotomy for valve replacement reduce flow rate and the capacity to huff. In order to generate effective force while coughing to clear secretions from the airways.…”

Section: Introductionmentioning

confidence: 99%

“…Thus, SBC can be suitably used as a substitute for device-oriented measures, as it requires the use of no common device which could be a cause of risk of spread of infection amongst individuals. 19 Single breath count (SBC) is an economical and easily accessible parameter to assess the pulmonary functioning in an emergency setting where spirometry is not available. It is easy to perform and requires a simple tuning device (metronome).…”

Section: Introductionmentioning

confidence: 99%

Comparison of Effect of Flow and Volume Incentive Spirometry on Peak Expiratory Flow Rate and Single Breath Count in Post Sternotomy

Sathe

Bhandare

2022

Int J Health Sci Res

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Background: Thoracic surgery may cause reduce respiratory function and pulmonary complications, with associated increased risk of mortality. Devices like Flow and Volume incentive spirometry play an important role to improve lung function hence physiotherapy aims to improve respiratory function. Aim: To compare the effect of 2 devices (flow & Volume incentive spirometers) on peak expiratory flow rate and single breath count. Method: In this a Comparative, interventional study of 38 postoperative patients, between the age group of 18-60 years, admitted in the intensive care units and step down units of a tertiary care hospital, who were able to perform flow & Volume incentive spirometers on PEFR and SBC from day 1 to day 5. The patients were asked to perform PEFR & SBC before & after each treatment session, for both groups that is FIS and VIS groups from post-operative day 1 to day 5. PEFR and SBC were recorded pre and post treatment session from day 1 to day 5. The difference between day1 and day 5 were statistically analysed to study the effectiveness of the intervention. Result: Comparison between group A and group B for all parameters was done by using Mann-Whitney U test. The p value is not statistically significant on comparing between the groups, but the improvement in PEFR and SBC from day 1 to day 5 is clinically significant, which indicates that both the devices contribute equally in improving the pulmonary status. Conclusion: The present study concludes that flow targeted incentive spirometry and volume targeted incentive spirometry were equally effective in Improving peak expiratory flow rate and single breath count in post sternotomy for valve replacement. Key words: Flow incentive spirometry, Volume incentive spirometry, Peak expiratory flow rate, Single Breath Count.

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Correlation of peak expiratory flow rate and single breath count in normal adults

Cited by 3 publications

References 18 publications

Single breath count test and its applications in clinical practice: a systematic review

Single breath count test and its applications in clinical practice: a systematic review

Single breath counting technique to assess pulmonary function: a systematic review and meta-analysis

Comparison of Effect of Flow and Volume Incentive Spirometry on Peak Expiratory Flow Rate and Single Breath Count in Post Sternotomy

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