Paralytic Ileus Flashcards
List the category of causes of paralytic ileus
Post-operative Infxn Infraction Reflex ileus Metabolic
How long does it take for physiological ileus to resolve post-op?
W/in 2-3 days
Normal resumption of bowel activity after abd surgery: SB = w/in hrs; stomach = 1-2 days; colon = 3-5 days
When is post-op ileus clinically significant?
Persists >72hrs no return of bowel sounds on auscultation no passage of flatus abd distention more marked + tympanic no pain
Discuss infx ileus
sepsis => localised or generalised ileus
resultant adhesions => mech element to initial neurologic aetiology
What causes paralytic ileus d/t infraction?
ischaemic bowel
what causes reflex ileus?
retroperitoneal haematoma
intra-abd inflammation/peritonitis, biliary/renal colic
trauma (#s)
spinal cord injury above T5
What are some causes of metabolic ileus?
hypoK/hypoMg/hypoNa, uraemia
metabolic acidosis
hypothyroidism
drugs: opiates, antacids, TCAs