Diverticulisis Flashcards
does prevalence increase with age
yes
epidemiology
western societies
what are diverticuli
outpouchings of mucosa and submucosal tissue that protrude through muscular wall
where do diverticuli occur
where blood vessels penetrate muscular wall
Sigmoid colon is most common site
pathophysiology of diverticulitis
narrow neck of divert. becomes block from faecalith, distension, bacterial overgrowth then perforation
presentation of diverticulitis
LIF pain
fever/chills
bowel/urinary changes
imaging modality of choice for diverticulitis
CT scan abdo
Hinchey classification system
complicated divert. severity
HC stage 1
confined peri-colonic abscess
HC stage 2
larger, walled off abscess
HC stage 3
generalised purulent peritonitis
HC stage 4
generalised faeculent peritonitis
treatment: uncomplicated divert
severe-hospitalise, A/B, bowel rest
non-severe: outpatient on A/B
treatment: complicated divert
emergency laparotomy
sigmoid colectomy
descending colostomy (Hartman’s procedure)
treatment: no perf but large abscess
IV A/B
CT guided perc drainage of abscess
