Exam 1 IBD Flashcards
In UC, what layers are inflammed and is there continuous pattern of lesions?
Limited to mucosa and yes there is continuous pattern
UC or Crohns? What affects only the colon and rectum?
UC
UC or Crohns? Which one usually presents with diarrhea or bloody diarrhea?
UC
UC or Crohns? The course of dz is chronic, recurrent, and unpredictable.
UC
For how long do you need to have UC for before CA risk increases?
Increased risk of CA if UC >7-10years
UC or Crohns? Histology reveals mucosal changes consisting of loss of typical vascular pattern, granularity, friability, and ulceration.
UC
UC or Crohns? No diet improves or exacerbates it.
UC
UC or Crohns? Colectomy can cure it.
UC
UC or Crohns? Autoimmune pathophysiology
Can effect any segment of GI tract
Inflammation occurs throughout the full thickness of the bowel wall; skip pattern of involvement; strictures, fistulas, ulcers
Crohns
UC or Crohns? Sx of diarrhea and abd pain.
Crohns
How long does it take to respond to aminosalicylates?
2-3 weeks
What are the ADRs of aminosalicylates?
- Hypersensitivity rxns (rash, fever)-Do not use in pts with sulfa allergy
- Blood disorders (anemia, thrombocytopenia, granulocytopenia)
- Can impair folic acid absorption
- Idiosyncratic rxns (hepatocellular injury, agranulocytosis, lupus-like phenomena)
- Low sperm counts
Whats a risk of taking thiopurines?
4 fold increased risk of lymphoma
What are the contraindications for monoclonal antibodies?
- NYHA class III/IV heart failure
2. Hepatitis
What are the toxicities associated with infliximab?
- infections
- infusion reactions
- Delayed hypersensitivities
- Antibodies