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Laparoscopic Surgery in Dogs & Cats
Dr. Maykel Povea Mora DVM, MSc, MRCVS.
CD/Vet Pet Doctors Guildford Hub
Presentation Outline
• Introduction & Historical Perspective
• Advantages over conventional surgery
• Contraindications
• What are the components of the basic laparoscopic set up?
• Access and port placement - Closed vs Open technique
• Anaesthetic considerations of Laparoscopy
• Practical applications, Lap spay, Prophylactic gastropexy &
abdominal exploration and biopsies.
• Summary
• References
• Salutations & Questions
Historical Perspective
• Speculum-type intracorporeal devices were in
use since the Greco-Roman period (Hippocrates
460 – 377 BCE).
Historical Perspective
• The first laparoscopic surgery was
performed in a Dog by George
Kelling Germany (1901)
• Lapro (the flank) + skopein (to
examine
• The 1st
human laparoscopy was
performed by Hans Christian
Jacobaeus to look in the thorax
of a patient with tubercular
adhesions (thoracoscopy ) (1910)
Hans Christian Jacobeaus (1910)
Advantages
• Rapid recovery time
• Improved visualization > 1000 times magnification
• Minimal immune response
• Small wound size
• Decreased post-operative pain
• Ideal in geriatric and debilitated patients
Are there any
contraindications?
• Patient selection and preparation is very
important!
• Absolute (rare):
– Unfit for general anaesthesia
– Pregnancy
• Relative:
– Severe heart disease
– Increased intracranial pressure
– Hypovolemia / shock
What are the components of the
basic laparoscopic set up?
– Imaging system
– The insufflator
– Electrocautery unit
What are the components of the
basic laparoscopic set up?
Laparoscopic instruments – what you really need?
Imaging system
The insufflator
Access and Port Placement
Closed Technique
Veress needle
Access and Port Placement
Closed or Open technique
Trocar
Abdominal pressure < 15 mmHg
Trocar
Abdominal pressure=8 mmHg
Anaesthetic Considerations
• Effects of pneumoperitoneum
– Haemodynamic changes
– Respiratory changes
• Heat loss
• End-organ perfusion
– ↓ circulatory support to intra-abdominal organs
– ↓ renal f(x) and urine output
• Neurological
Practical applications
• Laparoscopic Ovariectomy/OVH
• Laparoscopic Gastropexy
• Laparoscopic exploration and biopsies
Laparoscopic Spay
Laparoscopic instruments Port position for lap spay
Sequence of events for port
placement
Lap spay cont...
Lap Spay general considerations
• Can be performed from 6
month of age
• Can be combined with
gastropexy in large breed
dogs
• Fast recovery/less pain
• Good O. acceptance
• Post op care- TGH w/
NSAIDs x 3d, poc 2d and
10d , No ABS required.
Preventing GDV with Laparoscopic gastropexy
• GDV or torsion bloat as it is commonly known is a life threatening
medical and surgical condition in which the stomach twists around
its self trapping gas and fluids in the process.
• As the gas expands circulation to the stomach and spleen are
impaired resulting in shock and ultimately death
Stomach
D
Laparoscopic assisted gastropexy
1.An instrument port is made on the front right side of the abdomen and
the right side of the stomach is picked up with a laparoscopic instrument
Laparoscopic gastropexy is the keyhole surgical procedure used to
tack the right side of the stomach to the right side of the body wall.
• The instrument port incision is enlarged to 1 1/2 inches and
the stomach is sutured to the right body wall
Lap Gastropexy general considerations
• GDV affects Large breed
dogs
• Minimally invasive
• Less pain
• Quicker recovery
• Prevents life-threatening
twist of stomach
• Less expensive than treating
life-threatening GDV
• Patient can go home on the
day of the procedure
What diagnostic test would you
perform next Doctor ?
Hx: Patient DSH , FN 9 YO , Chronic
vomiting , refractory to medical Tx
CE: HR & Lungs WNLs
Abdo palp , Cranial organomegally
otherwise unremarkable.
Lab: ALP, ALT , GGT normal bile acids
Normochromic normocytic RBCs
DDx. Primary hepatobiliary DZ .
Neoplasia
VD & RL abdo radiographs confirmed
possible
mass in the cranial abdomen.
Laparoscopic exploration
Ultrasound view Laparoscopic view
Laparoscopic biopsies
Liver biopsy Liver post biopsy
Dx: Cholangiosarcoma
Liver mass biopsy 3 mm port not stitched
In Summary
• Advantages of laparoscopic surgery
1. Minimally invasive
2. Fast recovery time & reduce morbidity
3. Improved visualization
4. Great Owner acceptance
5. Ideal for geriatric and debilitated patients
• Disadvantages
1. Expensive to initially set up
2. Steep learning curve for the whole team
3. Case selection for advanced surgical procedures is paramount
References
• Laparoscopy - The Early Attempts: Spotlighting Georg Kelling and Hans Christian
.Grzegorz S. Litynskim, JSLS. 1997 Jan-Mar; 1(1): 83–85
• Chandler JG. “Three spectra of laparoscopic entry access injuries.” J Am Coll Surg.
2001; 192:478-90
• Jones, DB. “Laparoscopic Surgery: Principles and Procedures.” 2nd
edition. 2004.
• Novitsky YW. “The net immunologic advantage of laparoscopic surgery.” Surg
Endosc. 2004; 18: 1411-19
• Philip L,& David S. “BSVA Manual of Canine and Feline Endoscopy and
Endosurgery”. 2008
• Povea Mora , M. Keyhole surgery in pet animals. A case report of the first canine
laparoscopic Spay performed in Qatar, Middle East Magazine 2012 May, 5: 40-
43
Thank you very much !!
Any questions?

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Laparoscopic surgery in dogs and cats

  • 1. Laparoscopic Surgery in Dogs & Cats Dr. Maykel Povea Mora DVM, MSc, MRCVS. CD/Vet Pet Doctors Guildford Hub
  • 2. Presentation Outline • Introduction & Historical Perspective • Advantages over conventional surgery • Contraindications • What are the components of the basic laparoscopic set up? • Access and port placement - Closed vs Open technique • Anaesthetic considerations of Laparoscopy • Practical applications, Lap spay, Prophylactic gastropexy & abdominal exploration and biopsies. • Summary • References • Salutations & Questions
  • 3. Historical Perspective • Speculum-type intracorporeal devices were in use since the Greco-Roman period (Hippocrates 460 – 377 BCE).
  • 4. Historical Perspective • The first laparoscopic surgery was performed in a Dog by George Kelling Germany (1901) • Lapro (the flank) + skopein (to examine • The 1st human laparoscopy was performed by Hans Christian Jacobaeus to look in the thorax of a patient with tubercular adhesions (thoracoscopy ) (1910) Hans Christian Jacobeaus (1910)
  • 5. Advantages • Rapid recovery time • Improved visualization > 1000 times magnification • Minimal immune response • Small wound size • Decreased post-operative pain • Ideal in geriatric and debilitated patients
  • 6. Are there any contraindications? • Patient selection and preparation is very important! • Absolute (rare): – Unfit for general anaesthesia – Pregnancy • Relative: – Severe heart disease – Increased intracranial pressure – Hypovolemia / shock
  • 7. What are the components of the basic laparoscopic set up? – Imaging system – The insufflator – Electrocautery unit
  • 8. What are the components of the basic laparoscopic set up? Laparoscopic instruments – what you really need?
  • 11. Access and Port Placement Closed Technique Veress needle
  • 12. Access and Port Placement Closed or Open technique Trocar Abdominal pressure < 15 mmHg Trocar Abdominal pressure=8 mmHg
  • 13. Anaesthetic Considerations • Effects of pneumoperitoneum – Haemodynamic changes – Respiratory changes • Heat loss • End-organ perfusion – ↓ circulatory support to intra-abdominal organs – ↓ renal f(x) and urine output • Neurological
  • 14. Practical applications • Laparoscopic Ovariectomy/OVH • Laparoscopic Gastropexy • Laparoscopic exploration and biopsies
  • 15. Laparoscopic Spay Laparoscopic instruments Port position for lap spay
  • 16. Sequence of events for port placement
  • 18. Lap Spay general considerations • Can be performed from 6 month of age • Can be combined with gastropexy in large breed dogs • Fast recovery/less pain • Good O. acceptance • Post op care- TGH w/ NSAIDs x 3d, poc 2d and 10d , No ABS required.
  • 19. Preventing GDV with Laparoscopic gastropexy • GDV or torsion bloat as it is commonly known is a life threatening medical and surgical condition in which the stomach twists around its self trapping gas and fluids in the process. • As the gas expands circulation to the stomach and spleen are impaired resulting in shock and ultimately death Stomach D
  • 20. Laparoscopic assisted gastropexy 1.An instrument port is made on the front right side of the abdomen and the right side of the stomach is picked up with a laparoscopic instrument Laparoscopic gastropexy is the keyhole surgical procedure used to tack the right side of the stomach to the right side of the body wall.
  • 21. • The instrument port incision is enlarged to 1 1/2 inches and the stomach is sutured to the right body wall
  • 22. Lap Gastropexy general considerations • GDV affects Large breed dogs • Minimally invasive • Less pain • Quicker recovery • Prevents life-threatening twist of stomach • Less expensive than treating life-threatening GDV • Patient can go home on the day of the procedure
  • 23. What diagnostic test would you perform next Doctor ? Hx: Patient DSH , FN 9 YO , Chronic vomiting , refractory to medical Tx CE: HR & Lungs WNLs Abdo palp , Cranial organomegally otherwise unremarkable. Lab: ALP, ALT , GGT normal bile acids Normochromic normocytic RBCs DDx. Primary hepatobiliary DZ . Neoplasia VD & RL abdo radiographs confirmed possible mass in the cranial abdomen.
  • 26. Dx: Cholangiosarcoma Liver mass biopsy 3 mm port not stitched
  • 27. In Summary • Advantages of laparoscopic surgery 1. Minimally invasive 2. Fast recovery time & reduce morbidity 3. Improved visualization 4. Great Owner acceptance 5. Ideal for geriatric and debilitated patients • Disadvantages 1. Expensive to initially set up 2. Steep learning curve for the whole team 3. Case selection for advanced surgical procedures is paramount
  • 28. References • Laparoscopy - The Early Attempts: Spotlighting Georg Kelling and Hans Christian .Grzegorz S. Litynskim, JSLS. 1997 Jan-Mar; 1(1): 83–85 • Chandler JG. “Three spectra of laparoscopic entry access injuries.” J Am Coll Surg. 2001; 192:478-90 • Jones, DB. “Laparoscopic Surgery: Principles and Procedures.” 2nd edition. 2004. • Novitsky YW. “The net immunologic advantage of laparoscopic surgery.” Surg Endosc. 2004; 18: 1411-19 • Philip L,& David S. “BSVA Manual of Canine and Feline Endoscopy and Endosurgery”. 2008 • Povea Mora , M. Keyhole surgery in pet animals. A case report of the first canine laparoscopic Spay performed in Qatar, Middle East Magazine 2012 May, 5: 40- 43
  • 29. Thank you very much !! Any questions?