Colorectal Surgery Flashcards
What are the important factors of continence?
Rectal compliance, stool composition, pelvic floor muscles, anorectal sensation and anal sphincters
What are pathologies of the colon and rectum may require surgery?
Tumour
Inflammation (ulcerative colitis & Crohn’s)
Degeneration (diverticular disease)
Abnormal Function (constipation, incontinence and IBD)
Congenital (atresia & Hirschsprung’s disease)
What are the common presentations of colorectal problems?
Changes in bowel habit/continence, bleeding, pain and non-intestinal manifestations
What is a typical feature of visceral pain?
It is poorly localised
What are the low risk features of rectal bleeding?
Transient symptoms, anal symptoms and patient<40
What are the high risk features of rectal bleeding?
Persistent change in bowel habit, no anal symptoms, right sided abdominal mass, palpable rectal mass, unexplained iron deficiency anaemia and patients in whom there is clinical doubt
What are the investigations used in colorectal pathologies?
Endoscopy - colonoscopy and biopsy
Contrast Imaging - barium enema
Cross Sectional Imaging - CT/CT colonography
MRI
What are the considerations when deciding treatment?
Resection, restoration of continuity, preservation of function and faecal diversion
What features of a bowel anastomosis are necessary for good recovery?
Tension free, well perfused, well oxygenated, clean surgical site and acceptable systemic site
What are the complications of faecal diversion?
Anaesthetic related, bleeding, sepsis, VTE, anastomotic breakdown, small bowel obstruction and wound hernia