Comparing Mechanical Power in Different Inspiratory Times
NCT ID: NCT06413472
Last Updated: 2025-07-28
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
30 participants
OBSERVATIONAL
2024-03-01
2024-06-01
Brief Summary
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Detailed Description
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Conditions
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Study Design
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CASE_CONTROL
PROSPECTIVE
Study Groups
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ARDS patients-PCV
Intubated patients with a diagnosis of ARDS in the intensive care unit, ventilated using Pressure-Controlled Ventilation (PCV).
Mechanical ventilator adjustment for PCV
In pressure control ventilation (PCV) mode, patients will be ventilated for 5 minutes at a Tslope of 5% and another 5 minutes at 15% for both 1:1 and 1:2 I:E ratios. After each adjustment, screenshots of the mechanical ventilator (P-V loop screenshots) will be obtained . A total of 20 P-V loop screenshots will be captured over a 20-minute period (10 for the 1:2 ratio and 10 for the 1:1 ratio), which will be stored in the ventilators memory. The stored data will then be transferred from the ventilators memory to a computer via a flash drive.
ARDS patients-VCV
Intubated patients with a diagnosis of ARDS in the intensive care unit, ventilated using Volume-Controlled Ventilation (VCV).
Mechanical ventilator adjustment for VCV
In volume control ventilation (VCV) mode, patients will be ventilated for 5 minutes at a Tslope of 5% and another 5 minutes at 15% for both 1:1 and 1:2 I:E ratios. After each adjustment, screenshots of the mechanical ventilator (P-V loop screenshots) will be obtained . A total of 20 P-V loop screenshots will be captured over a 20-minute period (10 for the 1:2 ratio and 10 for the 1:1 ratio), which will be stored in the ventilators memory. The stored data will then be transferred from the ventilators memory to a computer via a flash drive.
Interventions
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Mechanical ventilator adjustment for PCV
In pressure control ventilation (PCV) mode, patients will be ventilated for 5 minutes at a Tslope of 5% and another 5 minutes at 15% for both 1:1 and 1:2 I:E ratios. After each adjustment, screenshots of the mechanical ventilator (P-V loop screenshots) will be obtained . A total of 20 P-V loop screenshots will be captured over a 20-minute period (10 for the 1:2 ratio and 10 for the 1:1 ratio), which will be stored in the ventilators memory. The stored data will then be transferred from the ventilators memory to a computer via a flash drive.
Mechanical ventilator adjustment for VCV
In volume control ventilation (VCV) mode, patients will be ventilated for 5 minutes at a Tslope of 5% and another 5 minutes at 15% for both 1:1 and 1:2 I:E ratios. After each adjustment, screenshots of the mechanical ventilator (P-V loop screenshots) will be obtained . A total of 20 P-V loop screenshots will be captured over a 20-minute period (10 for the 1:2 ratio and 10 for the 1:1 ratio), which will be stored in the ventilators memory. The stored data will then be transferred from the ventilators memory to a computer via a flash drive.
Eligibility Criteria
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Inclusion Criteria
* Patients who are deeply sedated.
* Patients ventilated in:
* Pressure-Controlled Ventilation (PCV or PRVC) mode, or
* Volume-Controlled Ventilation (VCV) mode.
* Patients within the 24-48 hour period of their stay in the intensive care unit.
Exclusion Criteria
* Patients diagnosed with:
* COPD (Chronic Obstructive Pulmonary Disease),
* Heart failure.
* Pregnant patients.
* Patients with a thoracopleural fistula.
* Hemodynamically unstable patients.
18 Years
80 Years
ALL
No
Sponsors
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SBÜ Dr. Sadi Konuk Eğitim ve Araştırma Hastanesi
OTHER
Başakşehir Çam & Sakura City Hospital
OTHER_GOV
Responsible Party
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Furkan Tontu
Doctor of Anesthesiology and Reanimation
Locations
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Basaksehir Cam Sakura City Hospital
Istanbul, , Turkey (Türkiye)
Countries
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References
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Trinkle CA, Broaddus RN, Sturgill JL, Waters CM, Morris PE. Simple, accurate calculation of mechanical power in pressure controlled ventilation (PCV). Intensive Care Med Exp. 2022 May 30;10(1):22. doi: 10.1186/s40635-022-00448-5.
Gattinoni L, Tonetti T, Cressoni M, Cadringher P, Herrmann P, Moerer O, Protti A, Gotti M, Chiurazzi C, Carlesso E, Chiumello D, Quintel M. Ventilator-related causes of lung injury: the mechanical power. Intensive Care Med. 2016 Oct;42(10):1567-1575. doi: 10.1007/s00134-016-4505-2. Epub 2016 Sep 12.
Serpa Neto A, Deliberato RO, Johnson AEW, Bos LD, Amorim P, Pereira SM, Cazati DC, Cordioli RL, Correa TD, Pollard TJ, Schettino GPP, Timenetsky KT, Celi LA, Pelosi P, Gama de Abreu M, Schultz MJ; PROVE Network Investigators. Mechanical power of ventilation is associated with mortality in critically ill patients: an analysis of patients in two observational cohorts. Intensive Care Med. 2018 Nov;44(11):1914-1922. doi: 10.1007/s00134-018-5375-6. Epub 2018 Oct 5.
Asar S, Acicbe O, Cukurova Z, Hergunsel GO, Canan E, Cakar N. Bedside dynamic calculation of mechanical power: A validation study. J Crit Care. 2020 Apr;56:167-170. doi: 10.1016/j.jcrc.2019.12.027. Epub 2020 Jan 2.
Giosa L, Busana M, Pasticci I, Bonifazi M, Macri MM, Romitti F, Vassalli F, Chiumello D, Quintel M, Marini JJ, Gattinoni L. Mechanical power at a glance: a simple surrogate for volume-controlled ventilation. Intensive Care Med Exp. 2019 Nov 27;7(1):61. doi: 10.1186/s40635-019-0276-8.
Chi Y, He H, Long Y. A simple method of mechanical power calculation: using mean airway pressure to replace plateau pressure. J Clin Monit Comput. 2021 Oct;35(5):1139-1147. doi: 10.1007/s10877-020-00575-y. Epub 2020 Aug 11.
Becher T, van der Staay M, Schadler D, Frerichs I, Weiler N. Calculation of mechanical power for pressure-controlled ventilation. Intensive Care Med. 2019 Sep;45(9):1321-1323. doi: 10.1007/s00134-019-05636-8. Epub 2019 May 17. No abstract available.
van der Meijden S, Molenaar M, Somhorst P, Schoe A. Calculating mechanical power for pressure-controlled ventilation. Intensive Care Med. 2019 Oct;45(10):1495-1497. doi: 10.1007/s00134-019-05698-8. Epub 2019 Jul 29. No abstract available.
Asar S, Acicbe O, Sabaz MS, Kucur Tulubas E, Hergunsel GO, Cukurova Z, Canan E, Cakar N. Simplified calculation of mechanical power for pressure controlled ventilation in Covid-19 ARDS patients. Minerva Anestesiol. 2022 Jan-Feb;88(1-2):42-50. doi: 10.23736/S0375-9393.21.15741-4.
Acicbe O, Ozgur CY, Rahimi P, Canan E, Asar S, Cukurova Z. The effect of inspiratory rise time on mechanical power calculations in pressure control ventilation: dynamic approach. Intensive Care Med Exp. 2023 Dec 20;11(1):98. doi: 10.1186/s40635-023-00584-6.
ARDS Definition Task Force; Ranieri VM, Rubenfeld GD, Thompson BT, Ferguson ND, Caldwell E, Fan E, Camporota L, Slutsky AS. Acute respiratory distress syndrome: the Berlin Definition. JAMA. 2012 Jun 20;307(23):2526-33. doi: 10.1001/jama.2012.5669.
Other Identifiers
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2024-Tslope
Identifier Type: -
Identifier Source: org_study_id
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