Ostomy surgeries
Chea Chan Hooi
General Surgeon
Sibu Hospital
Content
• Anatomy
• Definition
• Types
• Technique
– Colostomy
– Ileostomy
Anatomy
Stoma
• Surgically created opening of a hollow viscus out to
skin surface
• Types
– Anatomy
• GI tract
– Colostomy
– Ileostomy
• Urinary tract
• Tracheostomy
– Configuration
• Loop stoma
• End stoma
• Double-barrel stoma
GI stomas
Ileostomy Colostomy
Configurations
Double-barrel stomaEnd stoma Loop stoma
Techniques in creating loop
colostomy
Skin incision
Dissect down till anterior rectus sheath
Opening the anterior rectus sheath
Dissect thru rectus abdominus muscle
Opening the parietal peritoneum
Trephine two fingers breadth
Deliver out the bowel
Bridge inserted thru mesocolon using
Ryle’s tube
Various other types of bridges
Bowel lumen opened
Bowel wall anchored to skin ± rectus
Initial anchoring sutures
Almost completed…
Check patency of afferent & efferent
loops
Bridge in situ
Techniques in loop ileostomy
Ileal lumen entered
Everting the proximal loop
Anchoring
Principles of stoma siting
• Away from bony prominence
• Away from umbilicus
• Away from previous incision site
• Away from belt line
• At the apex of fat fold
• Within rectus muscle bulk
• Visible to patient when he stands/sits
• If two separate stomas are created, avoid the
same horizontal plane
Principles of stoma formation
Ileostomy
• Spouted at least 2cm from
skin level
Colostomy
• Mucosa level with skin
Thank you
Q&A?

Ostomy surgery