Evidence map›Paper›PMID 21257791›Full record

ArticleAmerican journal of respiratory and critical care medicine2011

Lung regional metabolic activity and gas volume changes induced by tidal ventilation in patients with acute lung injury.

Giacomo Bellani, Luca Guerra, Guido Musch, Alberto Zanella, Nicolò Patroniti, Tommaso Mauri, Cristina Messa, Antonio Pesenti

Registry-linked trialAbstract read
In one paragraph

Article in American journal of respiratory and critical care medicine, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03201263 (PRessure suppOrT vEntilation + Sigh in aCuTe hypoxemIc respiratOry Failure patieNts), which is not on this map. Cited by 103 papers.

0numbers the graph read from it
0cells of the map it votes in
103citing papers in PubMed
–field-weighted citation impact
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.

NCT03201263 nacompletednot on this mapstarted 2017, after this paper: background citation

PRessure suppOrT vEntilation + Sigh in aCuTe hypoxemIc respiratOry Failure patieNts (PROTECTION): a Pilot Randomized Controlled Trial

TypeinterventionalSponsorFondazione IRCCS Ca' Granda, Ospedale Maggiore PoliclinicoRan2017 to 2019Enrolled258ConditionsRespiratory Failure, Acute Respiratory Distress Syndrome, Ventilator LungArmsSigh, Standard of care
3 · Its place in the literature

Who cites it

103 citing papers in PubMed.

  1. Trial
  2. Trial
  3. Trial
  4. Trial
  5. Review
  6. Review
  7. Review
  8. Article
  9. Article
  10. Article
  11. Review
  12. Review
  13. Article
  14. Expert perspectives on ECCOAnnals of intensive care · 2024
    Article
  15. Article
  16. Imaging the Lung in ARDS: A Primer.Respiratory care · 2024
    Review
  17. Review
  18. Lung (extracorporeal COJournal of anesthesia, analgesia and critical care · 2024
    Article
  19. Article
  20. Article

43 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors.

Giacomo BellaniDepartment of Experimental Medicine (DIMS), University of Milan-Bicocca, Via Cadore 48, 20052 Monza (MB) Italy.
Luca Guerra
Guido Musch
Alberto Zanella
Nicolò Patroniti
Tommaso Mauri
Cristina Messa
Antonio Pesenti

Funding

Effect of Prone Position on Ventilator-Induced Lung InjuryR01HL094639 · NHLBI · WASHINGTON UNIVERSITY · PI MUSCH, GUIDO · 2010 to 2014
$2.1M
NHLBI NIH HHS R01 HL094639NHLBI NIH HHS R01HL094639
6 · The paper itself

Abstract

rationaleDuring acute lung injury (ALI), mechanical ventilation can aggravate inflammation by promoting alveolar distension and cyclic recruitment-derecruitment. As an estimate of the intensity of inflammation, metabolic activity can be measured by positron emission tomography imaging of [(18)F]fluoro-2-deoxy-D-glucose.

objectivesTo assess the relationship between gas volume changes induced by tidal ventilation and pulmonary metabolic activity in patients with ALI.

methodsIn 13 mechanically ventilated patients with ALI and relatively high positive end-expiratory pressure, we performed a positron emission tomography scan of the chest and three computed tomography scans: at mean airway pressure, end-expiration, and end-inspiration. Metabolic activity was measured from the [(18)F]fluoro-2-deoxy-D-glucose uptake rate. The computed tomography scans were used to classify lung regions as derecruited throughout the respiratory cycle, undergoing recruitment-derecruitment, and normally aerated. MEASUREMENTS AND MAIN

resultsMetabolic activity of normally aerated lung was positively correlated both with plateau pressure, showing a pronounced increase above 26 to 27 cm H(2)O, and with regional Vt normalized by end-expiratory lung gas volume. This relationship did not appear to be caused by a higher underlying parenchymal metabolic activity in patients with higher plateau pressure. Regions undergoing cyclic recruitment-derecruitment did not have higher metabolic activity than those collapsed throughout the respiratory cycle.

conclusionsIn patients with ALI managed with relatively high end-expiratory pressure, metabolic activity of aerated regions was associated with both plateau pressure and regional Vt normalized by end-expiratory lung gas volume, whereas no association was found between cyclic recruitment-derecruitment and increased metabolic activity.

Indexed as

Respiration, ArtificialAcute Lung InjuryFemaleFluorodeoxyglucose F18HumansImage Processing, Computer-AssistedInflammationLungMaleMiddle AgedPositive-Pressure RespirationPositron-Emission TomographyRadiopharmaceuticalsTidal VolumeTomography, X-Ray ComputedFluorodeoxyglucose F18Radiopharmaceuticals

Identifiers

PMID21257791
PMCPMC3114052

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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.