H331 Acute Appendicitis and Peritonitis

ACUTE APPENDICITIS

Incidence and epidemiology

Pathogenesis of appendicitis and appendiceal perforation

Cause
By Fecalith (m/c in adults)
Submucosal lymphoid follicular hyperplasia (m/c in children)
60? ???? carcinoid ?? ?? ??

CLINICAL MANIFESTATIONS

Abdominal pain >95%
Anorexia >70%
Constipation 4-16%
Diarrhea 4-16%
Fever 10-20%
Migration of pain to RLQ 50-60%
Nausea >65%
Vomiting 50-75%


Alvarado Score
Likelihood of appendicitis
≤ 4: Low
5–6: Moderate
≥ 7: High

Laboratory testing

RLQ tenderness, +rebound (?? ??? ?? CT? ??)

Imaging

US for children/pregnant, CT for adults

USG
?? 7mm?? ???? ?? ?????, appendicolith
??? ???? DOC
?? 3?? ? abscess? ?/??.. ??? ??? ?? ????. ??? ??? ??

CT
Density ??,
peri-appendiceal inflammation ? fat stranding

Special patient populations

??? omentum ??? ??? ??? pan-peritonitis?. ??/??? ?? perforation risk ?

Treatment

  • Nonperforated
    • ??? ??? ? ??? ?? ? ?? ? ???
  • Perforated
    • Antibiotics & bowel rest + either 1
    • PCD (contained abscess)
    • I&D with appendectomy ? ??? (? ??? ? ??)
  • ???
    1. ??? + ?? ?? ? ?? ? ?? ?? ?? (CT/sono)
    2. ?? ?? – transrectal, vaginal, perQ if >4cm or ??
    3. ????, WBC nl ?? ?? ? 6-8? ? ?? ??? (???? ?? ???? ?? ??? ?? ??)

Acute peritonitis

Etiology

Clinical features

Sudden, severe pain (perforation) followed by temporary relief (decompression) and then, generalized, constant pain (peritonitis)

??? ???
????: SAAG<1.1g/dL. (??? ? ??? ?)

??? ?? ????
ADA > 40U/L

Therapy and prognosis