Stomach and Duodenum Dz Flashcards
Gastritis
inflammatory changes of the gastric mucosa.
Erosive and hemorrhagic gastritis.
Caused by stress, NSAIDS, alcoholic gastritis.
Nonerosive gastritis
H. pylori, pernicious anemia, eosinophilic
Erosive and hemorrhagic gastritis S/S
Anorexia Epigastric pain N/V Upper GI bleed Coffee ground emesis
Stress gastritis
In critically ill patients occuring within 72 hours of admission.
At highest risk of bleeding
Mech. vent
Stress gastritis prevention
IV PPI’s in all critically ill patients.
NSAID gastritis
20-50% of chronic NSAID users develop gastritis.
10-20% have ulcers
Which NSAIDS have a lower incidence of gastritis?
COX-2 inhibitors
celebrex
Gastritis tx
PPi for 2-4 wks
D/C NSAIDS
Portal HTN gastropathy
Portal HTN leads to congestion of gastric vessles
Tx with propranolol or nadolol
Peptic ulcer dz (PUD)
Break in gastric or duodenal mucosa.
Caused by too much acid/pepsin.
More common in duodenum
PUD epidmiology
Duodenal ulcers: 30-55
Gastric ulcers: 55-70 yrs
Most common in smokers and NSAID users
PUD S/S
Dyspepsia
Epigastric pain (dull)
Pain relieved w/ food, comes back hours later
Nausea, anorexia
Tx for PUD
PPI (heal 90% in 4 wks)
H2 blockers
H. Pylori Tx
2-3 abx and PPI
50% strains resistant to flagyl
Quad therapy is 93% effective
Zollinger-Ellison Syndrome
Gastrinoma
Gastrin secreting gut neuroendocrine tumor
Increased acid secretion
Gastrinoma locations
45% duodenal wall
25% pancreas
5-15% lymph nodes
Which syndrome is gastrinoma linked to?
MEN-1
Gastrinoma S/S
Dyspepsia
Peptic ulcers (duodenal most common)
No isolates gastric ulcers
Diarrhea, steatorrhea if pancreas involved.
Gastrinoma W/U
Fasting gastrin level
CT, MRI (hepatic mets)
SPECT
SRS
Gastroparesis
Delayed gastric emptying in the absence of a mechanical obstruction.
Secondary to surgery, diabetes
Usually idiopathic
Diabetic gastroparesis
Type I > Type II
11 - 18% of diabetics
Viral gastroparesis
Sudden onset post viral infxn
Symptoms usually resolve within a year.
Gastroparesis S/S
N/V
Early satiety
Bloating
Upper abd pain
Which abx work as prokinetics?
Macrolide (erythromycin)
Gastroparesis Tx
Hydration
Frequent small meals (low fat)
Prokinetics
Optimize glycemic control