Use of Heart-lung Interaction to Predict Haemodynamic Tolerance to the Open Lung Approach With Individualised PEEP
HiPEEP
1 other identifier
observational
72
1 country
1
Brief Summary
This is an observational, prospective, single-centre study that will focus on patients undergoing major non-cardiac surgery requiring invasive mechanical ventilation and invasive blood pressure monitoring Hypotheses: A positive TVC (tidal volume challenge) prior to the recruitment manoeuvre (RM) predicts a decrease in CI within 5 minutes of individualised PEEP establishment of at least 10%.
- 1.T0: Moment prior to the start of tidal volume challenge. Baseline values
- 2.T1: After tidal volume challenge, moment priorate the start of the recruitment manoeuvre (RM). Mostcare and ventilator values. From this moment on, the parameters obtained from Mostcare will be analysed continuously (minute by minute) until 15 minutes after establishing the individualised PEEP.
- 3.T2: At minute 5 of establishing individualised PEEP. All parameters derived from basic monitoring, Mostcare, and ventilator monitoring shall be monitored and recorded. Record whether any fluid bolus has been administered.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
Started Nov 2023
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 5, 2023
CompletedStudy Start
First participant enrolled
November 6, 2023
CompletedFirst Posted
Study publicly available on registry
November 8, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 28, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
February 28, 2025
CompletedApril 2, 2025
March 1, 2025
1.3 years
November 5, 2023
March 31, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Tidal volume challenge as a predictor of hemodynamic response to Open Lung Approach
To describe the relationship between baseline Tidal Volume Challenge and the difference in baseline and 5-minute CI (cardiac index) after Recruitment Maneuver with individualised PEEP (Open Lung Approach). We consider a 10% decrease in CI as clinically significant.
At minute 5 after recruitment maneuver
Secondary Outcomes (4)
Heart-lung interactions to predict hemodynamic response to Open Lung Approach
5 minutes after RM
Heart lung interactions as predictors of hemodynamic tolerance to Open Lung Apprach assessed by Mean Arterial Pressure
For 5 minutes from the recruitment maneuver
CI and MAP correlation for assessing hemodynamic impact of Open Lung Approach
For 5 minutes from the recruitment maneuver
Heart-lung interactions as predictors of hemodynamic tolerance to Open Lung Approach over time
For 15 minutes from the recruitment maneuver
Study Arms (2)
POSITIVE Tidal Volume Challenge
Population with positive result in the tidal volume challenge. That is, an increase in PPV greater than 2% after increasing the tidal volume from 6 ml/kg to 8 ml/kg for 1 minute.
NEGATIVE Tidal Volume Challenge
Population with a negative result in the tidal volume challenge. That is, not enough increase in PPV.
Interventions
The tidal volume challenge is a fluid response test that consists of increasing the tidal volume from 6 ml/kg to 8 ml/kg for 1 minute and evaluating PPV. If PPV increases by more than 2%, it is considered positive, otherwise it will be negative.
The alveolar recruitment maneuver is a well-studied procedure to open the lung during invasive mechanical ventilation, allowing us to achieve the best PEEP for that lung, which is individualised PEEP.
Eligibility Criteria
Patients undergoing scheduled non-cardiothoracic surgery under controlled invasive mechanical ventilation and invasive arterial monitoring, without pathologies that affect heart-lung interactions and their interpretation. They would be patients who benefit from a recruitment maneuver.
You may qualify if:
- Patients over 18 years of age; undergoing scheduled non-cardiothoracic surgery; under controlled invasive mechanical ventilation and invasive arterial monitoring; supine position; positive air test
You may not qualify if:
- Chronic pulmonary disease (defined as chronic obstructive pulmonary disease grade 3 or higher or any disease requiring long-term oxygen therapy); congenital cardiac malformations; severe valvular heart disease; heart failure NYHA (New York Heart Association) Grade III/IV; arrhythmias; history of reduced ventricular systolic function (FEVI \<40% or TAPSE \<17 cm/s); history of pulmonary hypertension; BMI \>35 (due to altered lung compliance and rib cage); heart rate/respiratory rate ratio \< 3.6; presence of inspiratory effort; open chest; increased intra-abdominal pressure (due to pathology or pneumoperitoneum); altered pulmonary or rib cage compliance due to surgery (trendelemburg or antitrendelemburg position); uncorrected optimal arterial waveform (resonant or damped) and presence of any contraindication to lung recruitment manoeuvres. The latter are: pulmonary emphysema, pulmonary bullae, uncontrolled haemodynamic instability, right heart failure, elevated intracranial pressure (decreased return flow through jugular veins) or lack of monitoring if necessary, bronchospasm, undrained pneumothorax.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Hospital Universitario La Fe
Valencia, Spain
Related Publications (58)
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MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Jose Daniel Jimenez Santana, Resident
University and Polytechnic Hospital La fe
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- PhD, Head of the perioperative medicine group
Study Record Dates
First Submitted
November 5, 2023
First Posted
November 8, 2023
Study Start
November 6, 2023
Primary Completion
February 28, 2025
Study Completion
February 28, 2025
Last Updated
April 2, 2025
Record last verified: 2025-03