Evidence map›Paper›PMID 35082492›Full record

ArticleInternational journal of chronic obstructive pulmonary disease

Long-Term Effect of Noninvasive Ventilation on Diaphragm in Chronic Respiratory Failure.

Ana Hernandez-Voth, Javier Sayas Catalan, Marta Corral Blanco, Rodrigo Alonso Moralejo, Virginia Perez Gonzalez, Alicia De Pablo Gafas, Alba Castaño Menendez, Lourdes Juarros Monteagudo, Victoria Villena Garrido

Open access · goldAbstract readMulticenter Study
In one paragraph

Article in International journal of chronic obstructive pulmonary disease. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
0.8field-weighted citation impact, top 30% 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

7 citing papers in PubMed, 6 citations in OpenAlex.

  1. Trial
  2. Article
  3. Observational
  4. Review
  5. Diaphragm and Lung Transplantation.Transplant international : official journal of the European Society for Organ Transplantation · 2024
    Review
  6. Article
  7. 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

9 authors at 2 institutions in 1 country.

Ana Hernandez-VothDepartment of Pneumology, Mechanical Ventilation Unit, 12 de Octubre University Hospital, Madrid, Spain.
Javier Sayas CatalanDepartment of Pneumology, Mechanical Ventilation Unit, 12 de Octubre University Hospital, Madrid, Spain.ORCID 0000-0003-2399-4370
Marta Corral BlancoDepartment of Pneumology, Mechanical Ventilation Unit, 12 de Octubre University Hospital, Madrid, Spain.
Rodrigo Alonso MoralejoDepartment of Pneumology, Lung Transplantation Unit, 12 de Octubre University Hospital, Madrid, Spain.
Virginia Perez GonzalezDepartment of Pneumology, Lung Transplantation Unit, 12 de Octubre University Hospital, Madrid, Spain.
Alicia De Pablo GafasDepartment of Medicine, Faculty of Medicine, Universidad Complutense de Madrid, Madrid, Spain.
Alba Castaño MenendezDepartment of Pneumology, Mechanical Ventilation Unit, 12 de Octubre University Hospital, Madrid, Spain.
Lourdes Juarros MonteagudoDepartment of Rehabilitation, Lung Transplantation Unit, 12 de Octubre University Hospital, Madrid, Spain.
Victoria Villena GarridoDepartment of Medicine, Faculty of Medicine, Universidad Complutense de Madrid, Madrid, Spain.
Research Institute Hospital 12 de Octubre · ESUniversidad Complutense de Madrid · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeHome non-invasive ventilation (NIV) is recommended in patients with COPD and hypercapnic chronic respiratory failure (HCRF). The mechanism by it can improve alveolar ventilation during spontaneous breathing is not yet completely explained. Our aim is to evaluate the impact of on diaphragm muscle function in a series of patients with HCRF. PATIENTS AND

methodsObservational, longitudinal, prospective study of a series of patients with very severe chronic obstruction to airflow treated with home high imntensity NIV (HINIV). Patients underwent a baseline and after 12 months assessment including adherence to treatment, quality of life, respiratory function tests and diaphragmatic ultrasound. SPSS v.26 software was used for statistical analysis.

resultsWe studied 30 patients, 63% male, the mean age was 60.8 (±6.4) years old. Patients had a severe obstructive ventilatory pattern [FEV1 21.8 (±6.1)%] and hypercapnia [pCO2 56.4 (±7.2) mmHg]. After 12 months of HINIV, we observed significant increases in FVC of 9.2% (p = 0.002), FEV1 of 3.5% (p = 0.04), MIP of 9.4% (p = 0.006), and 6-minute-walking test (6MWT) of 31.9 m (p = 0.001), as well as decreases in paCO2 of 12.5 mmHg (p = 0.001), HCO3 of 4.7 mmol/L (p = 0.001) and BODE index from 7 to 6. Diaphragmatic ultrasound demonstrated an increase in the thickening fraction of 14% (p = 0.002). Respiratory symptoms (p = 0.04), physical function (p = 0.03), and sleep (p = 0.04) also improved.

conclusionIn patients with HCRF due to very severe chronic obstruction to airflow, long-term HINIV can improve respiratory performance by improving the function of the diaphragmatic musculature. Larger multicenter clinical trials are needed to confirm the results suggested in this study.

Indexed as

Noninvasive VentilationPulmonary Disease, Chronic ObstructiveRespiratory InsufficiencyDiaphragmFemaleHumansHypercapniaMaleMiddle AgedProspective StudiesQuality of LifeCOPDdiaphragmatic ultrasound

Identifiers

PMID35082492
PMCPMC8784950
OpenAlexW4205393416

What OpenQuestion holds

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Registered trials

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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.