Positive end expiratory pressure - Revision history

Tony.Wang at 17:13, 9 August 2021

2021-08-09T17:13:20Z

← Older revision		Revision as of 10:13, 9 August 2021
Line 31:		Line 31:
	* Spine cases		* Spine cases
	** Potential high risk complications with venous bleeding into spine		** Potential high risk complications with venous bleeding into spine


	Increased PEEP resulting in elevation in ICP results in poor CPP, which should be considered with:		Increased PEEP resulting in elevation in ICP results in poor CPP, which should be considered with:

	* ~~Brain~~ surgeries		* Intracranial surgeries
	** Particularly when MAP is low		** Particularly when MAP is low

Tony.Wang at 17:09, 9 August 2021

2021-08-09T17:09:00Z

@@ Line 13: / Line 13: @@
 * Decreased pulmonary blood flow
 ** In patients with pulmonary hypertension, can worsen R heart strain
-* Elevation in ICP; decrease in cerebral perfusion pressure
+* Elevation in ICP from less venous return, leading to decrease in cerebral perfusion pressure
 ** CPP = MAP - ICP
 == Surgeries where PEEP should be used cautiously ==

Tony.Wang at 16:56, 9 August 2021

2021-08-09T16:56:06Z

← Older revision		Revision as of 09:56, 9 August 2021
Line 5:		Line 5:
	* Increased FRC		* Increased FRC
	* Prevents closing of alveoli, thereby reducing airway opening pressure		* Prevents closing of alveoli, thereby reducing airway opening pressure
			* Increase Palv, making West's zone move more caudally, thereby reducing physiologic shunt from Zone 3

			== Consequences of PEEP ==

			* Barotrauma/volutrauma: Increased peak airway pressure at high PEEP
			* Decreased venous return from IVC due to increased thoracic pressure
			* Decreased pulmonary blood flow
			** In patients with pulmonary hypertension, can worsen R heart strain
			* Elevation in ICP; decrease in cerebral perfusion pressure
			** CPP = MAP - ICP

			== Surgeries where PEEP should be used cautiously ==

Tony.Wang: Created page with "Positive end expiratory pressure (PEEP) is the amount of pressure that remains at the end of the expiratory phase which can be set in mechanically ventilated patients. == Ben..."

2021-08-09T15:38:05Z

Created page with "Positive end expiratory pressure (PEEP) is the amount of pressure that remains at the end of the expiratory phase which can be set in mechanically ventilated patients. == Ben..."

New page

Positive end expiratory pressure (PEEP) is the amount of pressure that remains at the end of the expiratory phase which can be set in mechanically ventilated patients.

== Benefits of PEEP ==

* Increased FRC
* Prevents closing of alveoli, thereby reducing airway opening pressure