Chapter 24 Fundamentals of Laparoscopy and Thoracoscopy Flashcards
Most common light source in vet med
Xenon - high intensity light closest to natural light
Insufflation during thoracoscopy
3mmHg pressure causes significant cardiorespiratory depression - insufflation uncommonly used in thoracoscopic procedures.
Ideal intraabdominal pressures for laparoscopy
8-10 mmHg gives adequate working space in most dogs and cats
One-lung ventilation indications
facilitate visualization in more advanced thoracoscopic procedures - prevent iatrogenic trauma to tissues
How to minimize atelectasis in dependent lung during one lung ventilation
Use of low level PEEP (3-5 cmH2O)
How to place double lumen tube for one lung ventilation
Angled tip to facilitate placement into the right or left bronchus
How does the double lumen tube work
There are two cuffs - one occludes the trachea and the other the bronchus
Allows ventilation of each lung field independently of the other or both lung fields together without replacing or moving the tube
How to confirm placement of double lumen tube
With bronchoscope or ventilating and ausculting
Bronchial blocker advantage
can be used to isolate a single lung lobe in addition to the entire hemithorax
