Evidence map›Paper›PMID 28743265›Full record

ArticleRespiratory research2017

The predictive value of respiratory function tests for non-invasive ventilation in amyotrophic lateral sclerosis.

T B M Tilanus, J T Groothuis, J M C TenBroek-Pastoor, T B Feuth, Y F Heijdra, J P L Slenders, J Doorduin, B G Van Engelen, M J Kampelmacher, J Raaphorst

Open access · goldAbstract read
In one paragraph

Article in Respiratory research, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
6.1field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

31 citing papers in PubMed, 70 citations in OpenAlex.

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  17. Cerebrospinal fluid MFG-E8 as a promising biomarker of amyotrophic lateral sclerosis.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2020
    Article
  18. Article
  19. Article
  20. Sleep and Sleep Disruption in Amyotrophic Lateral Sclerosis.Current neurology and neuroscience reports · 2020
    Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 4 institutions in 1 country.

T B M TilanusDepartment of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands.
J T GroothuisDepartment of Rehabilitation, Donders Centre for Neuroscience Nijmegen, Nijmegen, The Netherlands.
J M C TenBroek-PastoorDepartment of Rehabilitation, Donders Centre for Neuroscience Nijmegen, Nijmegen, The Netherlands.
T B FeuthDepartment of Health Evidence, Radboudumc Nijmegen, Nijmegen, The Netherlands.
Y F HeijdraDepartment of Pulmonary Diseases, Radboudumc Nijmegen, Nijmegen, The Netherlands.
J P L SlendersDepartment of Neurology, Academic Medical Centre Amsterdam, Amsterdam, The Netherlands.
J DoorduinDepartment of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands.
B G Van EngelenDepartment of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands.
M J KampelmacherHome Ventilation Service, University Medical Centre Utrecht, Utrecht, The Netherlands.
J RaaphorstDepartment of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands. joost.raaphorst@radboudumc.nl.
Radboud University Medical Center · NLRadboud University Nijmegen · NLAcademic Medical Center · NLUniversity Medical Center Utrecht · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNon-invasive ventilation (NIV) improves survival and quality of life in amyotrophic lateral sclerosis (ALS) patients. The timing of referral to a home ventilation service (HVS), which is in part based on respiratory function tests, has shown room for improvement. It is currently unknown which respiratory function test predicts an appropriate timing of the initiation of NIV.

methodsWe analysed, retrospectively, serial data of five respiratory function tests: forced vital capacity (FVC), peak cough flow (PCF), maximum inspiratory and expiratory pressure (MIP and MEP) and sniff nasal inspiratory pressure (SNIP) in patients with ALS. Patients who had had at least one assessment of respiratory function and one visit at the HVS, were included. Our aim was to detect the test with the highest predictive value for the need for elective NIV in the following 3 months. We analysed time curves, currently used cut-off values for referral, and respiratory function test results between 'NIV indication' and 'no-NIV indication' patients.

resultsOne hundred ten patients with ALS were included of whom 87 received an NIV indication; 11.5% had one assessment before receiving an NIV indication, 88.5% had two or more assessments. The NIV indication was based on complaints of hypoventilation and/or proven (nocturnal) hypercapnia. The five respiratory function tests showed a descending trend during disease progression, where SNIP showed the greatest decline within the latest 3 months before NIV indication (mean = -22%). PCF at the time of referral to the HVS significantly discriminated between the groups 'NIV-indication' and 'no NIV-indication yet' patients at the first HVS visit: 259 (±92) vs. 348 (±137) L/min, p = 0.019. PCF and SNIP showed the best predictive characteristics in terms of sensitivity.

conclusionSNIP showed the greatest decline prior to NIV indication and PCF significantly differentiated 'NIV-indication' from 'no NIV-indication yet' patients with ALS. Currently used cut-off values might be adjusted and other respiratory function tests such as SNIP and PCF may become part of routine care in patients with ALS in order to avoid non-timely initiation of (non-invasive) ventilation.

Indexed as

Noninvasive VentilationAgedAmyotrophic Lateral SclerosisArea Under CurveClinical Decision-MakingCoughDisease ProgressionFemaleHumansLungMaleMaximal Respiratory PressuresMiddle AgedMuscle StrengthPatient SelectionPredictive Value of TestsALSNon-invasive ventilationRespiratory function tests

Identifiers

PMID28743265
PMCPMC5526316
OpenAlexW2738831829

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.