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Jul 6, 2024 · Intrinsic PEEP is also known as autoPEEP or PEEPi. Intrinsic PEEP occurs when the expiratory time is shorter than the time needed to fully deflate the lungs, preventing the lung and chest wall from reaching an elastic equilibrium point.

Oct 6, 2024 · Positive End-Expiratory Pressure (PEEP) is the maintenance of positive pressure (above atmospheric) at the airway opening at the end of expiration. PEEP acts to distend distal alveoli, assuming there is no airway obstruction.

Oct 1, 2024 · As a result, the alveolar pressure at the end of expiration is higher than zero (zero being the atmospheric pressure). This process of incomplete emptying is called dynamic hyperinflation, and the positive alveolar pressure is called intrinsic PEEP or auto-PEEP.

Dynamic hyperinflation and intrinsic PEEP (PEEPi) are commonly present in patients with COPD receiving mechanical ventilation. PEEPi increases work of breathing and contributes to ineffective triggering of the ventilator.

Background: Assessment of intrinsic dynamic positive end-expiratory pressure (PEEPi,dyn) may be clinically important in stable patients with chronic obstructive pulmonary disease (COPD), but epidemiological data are scant.

The intrinsic PEEP (PEEPi) is the actual end-expiratory pressure inside the lungs. Owing to dynamic influences of the lung mechanics (resistance, compliance, closing volume) and the ventilation setting parameters, the intrinsic PEEP may …

Feb 4, 2011 · Auto–positive end-expiratory pressure (auto-PEEP; AP) and dynamic hyperinflation (DH) may affect hemodynamics, predispose to barotrauma, increase work of breathing, cause dyspnea, disrupt patient–ventilator synchrony, confuse monitoring of hemodynamics and respiratory system mechanics, and interfere with the effectiveness of pressure-regulated v...

In order to minimize the detrimental effects of spontaneous PEEP, which is also termed intrinsic PEEP (PEEPi) or autoPEEP, clinicians should be aware of the mechanisms leading to PEEPi, and the possible ways of diminishing it.

Dynamic hyperinflation and intrinsic positive end-expiratory pressure (PEEPi) are observed in patients with chronic obstructive pulmonary disease (COPD) and flow limitation. Several reports suggest that PEEP levels approaching PEEPi reduce inspiratory load due to PEEPi, without further hyperinflatio …