Chapter 13 - Minimally Invasive Surgical Techniques Flashcards
What is a primary advantage of minimally invasive surgical techniques in equine patients?
A) Increased incision size B) Decreased postoperative pain and morbidity C) Longer recovery times D) Increased surgical site infection rates
B) Decreased postoperative pain and morbidity
Which light source is considered optimal for illumination in equine surgeries?
A) 100-W LED B) 150-W halogen C) 300-W Xenon D) 400-W fluorescent
C) 300-W Xenon
In a three-chip video camera, what is the benefit of using three separate CCDs?
A) Lower cost B) Enhanced image quality C) Smaller size D) Increased weight
B) Enhanced image quality
What type of sterilization is most suitable for video cameras used in surgeries?
A) Autoclaving only B) Ethylene oxide or plasma C) Chemical sterilization only D) Radiation
B) Ethylene oxide or plasma
What is the primary gas used for insufflation during laparoscopic procedures?
A) Helium B) Nitrous oxide C) Carbon dioxide (CO2) D) Oxygen
C) Carbon dioxide (CO2)
How does insufflation with CO2 affect the abdominal cavity postoperatively?
A) Decreases white blood cell count B) Causes a mild inflammatory reaction C) Has no effect D) Enhances healing
B) Causes a mild inflammatory reaction
Which pressure is typically adequate for thoracoscopy?
A) 1 mm Hg B) 5 mm Hg C) 10 mm Hg D) 15 mm Hg
B) 5 mm Hg
Which pressure is typically adequate for arthroscopy?
A) 1 mm Hg B) 5 mm Hg C) 15 mm Hg D) 150 mm Hg
D) 150 mm Hg
Which pressure is typically adequate for laparoscopy?
A) 1 mm Hg B) 5 mm Hg C) 15 mm Hg D) 150 mm Hg
C) 15 mm Hg
What is the flow rate recommended for arthroscopu?
A) 1.5 L/min B) 2.5 L/min C) 3.5 L/min D) 4.5 L/min
A) 1.5 L/min
What is a potential cardiopulmonary effect of increased intraabdominal pressure during laparoscopic procedures?
A) Enhanced ventilation B) Decreased cardiac return C) Improved oxygenation D) Stabilized heart rate
B) Decreased cardiac return
In equine laparoscopy, what pressure settings are typically required?
A) Up to 5 mm Hg B) Up to 10 mm Hg C) Up to 15 mm Hg D) Up to 20 mm Hg
C) Up to 15 mm Hg
What is one benefit of using motorized roller pumps for fluid irrigation?
A) Manual operation B) Automatic flow rate adjustment C) Lower costs D) Increased fluid waste
B) Automatic flow rate adjustment
Why is a powerful light source particularly important in equine abdominal or thoracic surgeries?
A) To minimize costs B) To ensure good visualization in larger cavities C) To reduce the number of instruments needed D) To avoid the use of anesthesia
B) To ensure good visualization in larger cavities
What advantage does NOTES offer in minimally invasive surgery?
A) Increased incision size B) Reduced recovery times C) Access through natural orifices D) Elimination of all surgical instruments
C) Access through natural orifices
Figure 13-8. Set of cutting instruments for arthroscopy/tenoscopy. Top to bottom: hooked knife, banana knife, one straight single-sided cutting knife, and two angled single-sided cutting knives.
Figure 13-9. The suction arthroscopic punch rongeurs is a sturdy and sharp instrument that allows débridement of dense soft tissues and instant removal of debris. (Reprinted with permission from Sontec Instruments, Inc., Centennial, Colorado, 2010.)
Figure 13-10. Handpiece of a motorized shaver with disposable blades. The control knobs allow a forward, backward, or oscillating mode, but foot switch control is also possible. (A) Tooth-edged synovial resector. (B) Burr for bone débridement (Acromionizer, Dyonics). (© Smith & Nephew, Inc.)
What is the optimal angle range for triangulation in endoscopic surgery?
A) 10–20 degrees B) 15–25 degrees C) 25–45 degrees D) 30–60 degrees
C) 25–45 degrees