Evidence map›Paper›PMID 36732851›Full record

SynthesisCritical care (London, England)2023

Does tidal volume challenge improve the feasibility of pulse pressure variation in patients mechanically ventilated at low tidal volumes? A systematic review and meta-analysis.

Xiaoying Wang, Shuai Liu, Ju Gao, Yang Zhang, Tianfeng Huang

Registry-linked trialOpen access · goldAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Critical care (London, England), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06123039 (Use of Heart-lung Interaction Parameters to Predict Haemodynamic Tolerance to the Open Lung Approach With Individualised PEEP During Invasive Mechanical Ventilation in the Operating Room), which is not on this map. Cited by 23 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 3 pooled it
11.7field-weighted citation impact, top 1% 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.

NCT06123039 completednot on this map

Use of Heart-lung Interaction Parameters to Predict Haemodynamic Tolerance to the Open Lung Approach With Individualised PEEP During Invasive Mechanical Ventilation in the Operating Room

TypeobservationalSponsorHospital Universitario La FeRan2023 to 2025Enrolled72ConditionsAnesthesia, Perioperative/Postoperative Complications, Hypovolemia, Haemodynamic InstabilityArmsTidal Volume Challenge, Recruitment maneuver obtaining individualised PEEP
3 · Its place in the literature

Who cites it

23 citing papers in PubMed, 3 syntheses or guidelines pooled it, 37 citations in OpenAlex.

  1. Guideline
  2. Pooled it
  3. Pooled it
  4. Trial
  5. Article
  6. Review
  7. Article
  8. The time course of fluid responsiveness.Annals of intensive care · 2026
    Review
  9. Review
  10. Article
  11. Review
  12. SIGHCritical care (London, England) · 2025
    Article
  13. Article
  14. Article
  15. Changes in central venous-to-arterial PCOCritical care (London, England) · 2024
    Article
  16. Article
  17. Article
  18. Review
  19. Review
  20. Measurement error of pulse pressure variation.Journal of clinical monitoring and computing · 2024
    Article
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

5 authors at 2 institutions in 1 country.

Xiaoying WangDepartment of Anesthesiology, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, No.98, Nantong Xi Road, Guanglin District, Yangzhou, 225001, China. wxy92000@126.com.
Shuai LiuDepartment of Burns and Plastic Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu, China.
Ju GaoDepartment of Anesthesiology, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, No.98, Nantong Xi Road, Guanglin District, Yangzhou, 225001, China.
Yang ZhangDepartment of Anesthesiology, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, No.98, Nantong Xi Road, Guanglin District, Yangzhou, 225001, China.
Tianfeng HuangDepartment of Anesthesiology, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, No.98, Nantong Xi Road, Guanglin District, Yangzhou, 225001, China.
Northern Jiangsu People's Hospital · CNYangzhou University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPulse pressure variation (PPV) has been widely used in hemodynamic assessment. Nevertheless, PPV is limited in low tidal volume ventilation. We conducted this systematic review and meta-analysis to evaluate whether the tidal volume challenge (TVC) could improve the feasibility of PPV in patients ventilated at low tidal volumes.

methodsPubMed, Embase and Cochrane Library inception to October 2022 were screened for diagnostic researches relevant to the predictability of PPV change after TVC in low tidal volume ventilatory patients. Summary receiving operating characteristic curve (SROC), pooled sensitivity and specificity were calculated. Subgroup analyses were conducted for possible influential factors of TVC.

resultsTen studies with a total of 429 patients and 457 measurements were included for analysis. The predictive performance of PPV was significantly lower than PPV change after TVC in low tidal volume, with mean area under the receiving operating characteristic curve (AUROC) of 0.69 ± 0.13 versus 0.89 ± 0.10. The SROC of PPV change yielded an area under the curve of 0.96 (95% CI 0.94, 0.97), with overall pooled sensitivity and specificity of 0.92 (95% CI 0.83, 0.96) and 0.88 (95% CI 0.76, 0.94). Mean and median cutoff value of the absolute change of PPV (△PPV) were 2.4% and 2%, and that of the percentage change of PPV (△PPV%) were 25% and 22.5%. SROC of PPV change in ICU group, supine or semi-recumbent position group, lung compliance less than 30 cm H

conclusionsTVC is capable to help PPV overcome limitations in low tidal volume ventilation, wherever in ICU or surgery. The accuracy of TVC is not influenced by reduced lung compliance, moderate PEEP and measurement tools, but TVC should be cautious applied in prone position and patients with spontaneous breathing activity. Trial registration PROSPERO (CRD42022368496). Registered on 30 October 2022.

Indexed as

Positive-Pressure RespirationRespiration, ArtificialBlood PressureFeasibility StudiesFluid TherapyHemodynamicsHumansStroke VolumeTidal VolumeChangeFluid responsivenessLow tidal volumePulse pressure variationTidal volume challenge

Identifiers

PMID36732851
PMCPMC9893685
OpenAlexW4319004302

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.