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Completed

NCT Number: NCT05189119

Use of PARniv for Early Diagnosis of LVF in AECOPD

Left ventricular failure (LVF) is a common cause of acute exacerbation of chronic obstructive pulmonary disease (AECOPD).

This association is frequently underestimated with regard to the difficulty of clinical diagnosis .

The investigators expect that the application of pressure support under NIV could be useful in this issue.

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Key information

About this study

Acute heart failure (AHF) is a common cause of COPD exacerbation however its role is very often underestimated. Until now, the use of echocardiography and some invasive hemodynamic exploration techniques such as the Swan-ganz catheter has been stated as reference. Other noninvasive diagnostic methods have been studied, such as systolic time intervals and Valsalva maneuver, but their application still difficult in patients with COPD exacerbation, especially in emergency department (ED) settings. the study aimed to evaluate the performance of a new diagnostic technique based on the measurement of the PAR using non invasive ventilation (NIV) for the early identification of left ventricular failure (LVF) in patients presenting to the ED with acute COPD exacerbation

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • patients with a history of COPD
  • consulted the emergency department for AECOPD defined by a respiratory rate >25c/min, SaO2 <90%, pH <7.35 and PaCO2 >6kPa were included.

Exclusion criteria

  • hemodynamic instability requiring the use of vasoactive drugs
  • patients with contraindications to NIV (Glasgow score <12, swallowing disorder or severe bronchial obstruction, vomiting, and those with upper airway obstruction or ongoing upper gastrointestinal bleeding and altered bronchial clearance)
  • non cooperative patients
  • who refused to give consent.

Treatment and study plan

non invasive ventilation

Diagnostic Test

invasive mechanical ventilation session in the BIPAP Mode with a pressure support (PS) level of 5cmH2O, a positive end expiratory pressure (PEEP) level of 5 cmH2O and an inspiratory fraction of oxygen (FiO2) allowing a pulse saturation (SpO2) of at least 92% for a one minute and followed by an increase of the PS level to 30cmH2O.The plethysmographic PAR (PAR) was calculated based on the following formula: PARpleth= PP30 / PP5

Other names: NIV

Primary outcomes

  1. left ventricular dysfunction

    Time frame: 24 hours

Sponsors and collaborators

Lead sponsor

University of Monastir

Other

Registry information

Official study title

Study of Pressure Support Under Non-invasive Ventilation in the Early Diagnosis of Left Ventricular Failure During Acute Exaverbation of Chronic Obstructive Pulmonary Disease

Important dates

Study start
2022
Primary completion
2022
Study completion
2022
First posted
Jan 12, 2022
Registry last updated
May 27, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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