วันอาทิตย์ที่ 15 พฤษภาคม พ.ศ. 2554

Acute Cholecystitis

Symptoms & Signs
of Acute Cholecystitis
Symptoms
§  75% have prior history of biliary colic
§  RUQ pain >90%
§  Fever 50%
Signs
§  Fever 50%: may be absent in elderly, gangrenous cholecystitis or empyema GB
§  Jaundice 20% : mild jaundice
§  RUQ tenderness
§  Murphy’s sign: S 65%, Sp 87%*

Investigations in Acute Cholecystitis
§  CBC : no leukocytosis in 1/3 of patient, esp in elderly and gangrenous cholecystitis
§  LFT : hyperbilirubinemia in 20% (TB <6 mg/dl), AP usually normal
§  Ultrasonography : sensitivity 88%, specificity 80% from meta-analysis
§  Gallstones
§  Thickening GB wall > 4 mm
§  Edema of GB (‘double wall sign’)
§  Pericholecystic fluid
§  Sonographic Murphy’s sign (PPV 90%, NPV 90%)

LC in Asymptomatic GS

Indicated
§  Porcelain GB
§  Travel to remote area
§  During await for organ Tx
§  During wt. loss surgery
§  Sickle cell anemia
§  Young Amerindian (GBCa 20x)
§  GS in children
Controversial
§  GS >3 cm (GBCa 9x)
Not indicated
§  DM
§  Thalassemia
§  Dyspepsia

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