Evidence map›Paper›PMID 34542735›Full record

Observational studyJournal of clinical monitoring and computing2022

Monitoring postoperative lung recovery using electrical impedance tomography in post anesthesia care unit: an observational study.

Nadine Hochhausen, Torsten Kapell, Martin Dürbaum, Andreas Follmann, Rolf Rossaint, Michael Czaplik

Registry-linked trialOpen access · hybridAbstract readObservational Study
PubMed Full text at PMC Publisher
In one paragraph

Observational study in Journal of clinical monitoring and computing, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06262360 (Changes in Pulmonary Ventilation Distribution Assessed by EIT), which is not on this map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
0.7field-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.

NCT06262360 naunknown statusnot on this mapstarted 2024, after this paper: background citation

Changes in Pulmonary Ventilation Distribution Assessed by EIT (Electrical Impedance Tomography) in Healthy Children Under General Anesthesia; a Pilot Study Comparing Mask Spontaneous Breathing and Laryngeal Mask Spontaneous Breathing With and Without Ventilatory Support

TypeinterventionalSponsorQueen Fabiola Children's University HospitalRan2024 to 2024Enrolled60ConditionsAnesthesia, PediatricArmsGeneral anesthesia with mask ventilation, General anesthesia and spontaneous laryngeal mask ventilation, General anesthesia with spontaneous laryngeal mask ventilation with pressure support
3 · Its place in the literature

Who cites it

3 citing papers in PubMed, 7 citations in OpenAlex.

  1. Article
  2. Review
  3. Observational
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

6 authors at 1 institution in 1 country.

Nadine HochhausenDepartment of Anesthesiology, Medical Faculty, RWTH Aachen University, Aachen, Germany. nhochhausen@ukaachen.de.ORCID 0000-0003-3368-1992
Torsten KapellDepartment of Anesthesiology, Medical Faculty, RWTH Aachen University, Aachen, Germany.
Martin DürbaumDepartment of Anesthesiology, Medical Faculty, RWTH Aachen University, Aachen, Germany.
Andreas FollmannDepartment of Anesthesiology, Medical Faculty, RWTH Aachen University, Aachen, Germany.
Rolf RossaintDepartment of Anesthesiology, Medical Faculty, RWTH Aachen University, Aachen, Germany.
Michael CzaplikDepartment of Anesthesiology, Medical Faculty, RWTH Aachen University, Aachen, Germany.
RWTH Aachen University · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

With electrical impedance tomography (EIT) recruitment and de-recruitment phenomena can be quantified and monitored at bedside. The aim was to examine the feasibility of EIT with respect to monitor atelectasis formation and resolution in the post anesthesia care unit (PACU). In this observational study, 107 postoperative patients were investigated regarding the presence and recovery of atelectasis described by the EIT-derived parameters Global Inhomogeneity Index (GI Index), tidal impedance variation (TIV), and the changes in end-expiratory lung impedance (ΔEELI). We examined whether the presence of obesity (ADP group) has an influence on pulmonary recovery compared to normal weight patients (NWP group). During the stay at PACU, measurements were taken every 15 min. GI Index, TIV, and ΔEELI were calculated for each time point. 107 patients were monitored and EIT-data of 16 patients were excluded for various reasons. EIT-data of 91 patients were analyzed off-line. Their length of stay averaged 80 min (25th and 75th quartile 52-112). The ADP group demonstrated a significantly higher GI Index at PACU arrival (p < 0.001). This finding disappeared during their stay at the PACU. Additionally, the ADP group showed a significant increase in ΔEELI between PACU arrival and discharge (p = 0.025). Furthermore, TIV showed a significantly lower value during the first 90 min of PACU stay as compared to the time period thereafter (p = 0.036). Our findings demonstrate that obesity has an influence on intraoperative atelectasis formation and de-recruitment during PACU stay. The application of EIT in spontaneously breathing PACU patients seems meaningful in monitoring pulmonary recovery.

Indexed as

AnesthesiaPneumoniaPulmonary AtelectasisElectric ImpedanceHumansLungObesityTomographyElectrical impedance tomographyLungPulmonary atelectasisRecovery room

Identifiers

PMID34542735
PMCPMC9294009
OpenAlexW3200683888

What OpenQuestion holds

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LicenceCC BY
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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.