Coronial
QLDhospital

Hamilton, Michael John - Non-inquest findings

Deceased

Michael John Hamilton

Demographics

72y, male

Coroner

McDougall

Date of death

2013-12-13

Finding date

2015-07-08

Cause of death

Multiple organ failure due to sepsis caused by abdominal adhesions from previous surgery

AI-generated summary

Michael Hamilton, 72, presented with acute abdominal pain post-bladder surgery while anticoagulated with warfarin. Initial assessment suspected duodenal perforation based on CT findings; laparotomy was performed but found no perforation, only adhesions and possible pancreatitis (lipase 1080 U/L post-op). Key clinical lessons: (1) pre-operative lipase testing was not completed due to insufficient sample—this would have supported pancreatitis diagnosis; (2) patient was discharged from ICU on post-op day 1 despite elevated lipase and pancreatitis indicators; (3) heparin recomenced post-operatively despite increased intra-operative bleeding; (4) these factors may have contributed to subsequent intra-abdominal haematoma requiring multiple re-operations. However, the coroner accepted that complex presentation justified initial management and that ultimate outcome (multi-organ failure from severe pancreatitis and subsequent sepsis from adhesions) would likely have occurred regardless. The case highlights importance of completing all diagnostic tests, maintaining high ICU acuity thresholds, and careful anticoagulation decisions post-operatively.

AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes. Report an inaccuracy.

Specialties

surgeryintensive careradiologyanaesthesia

Error types

diagnosticsystemdelay

Drugs involved

warfarinheparin

Clinical conditions

pancreatitisabdominal adhesionsduodenal perforation (suspected, not confirmed)intra-abdominal haematomasepsismulti-organ failurerenal failurerespiratory failurecoagulopathygastritisincarcerated inguinal hernia

Procedures

laparotomyadhesiolysisdiathermydrain insertionabdominal washoutVAC dressing applicationmultiple surgical re-exploration

Contributing factors

  • Failure to complete pre-operative lipase test due to insufficient blood sample
  • Misinterpretation of CT scan suggesting duodenal perforation rather than pancreatitis
  • Premature discharge from ICU on post-operative day 1 despite elevated lipase and signs of pancreatitis
  • Recommencement of heparin infusion post-operatively in context of increased intra-operative bleeding
  • Subsequent intra-abdominal haematoma leading to multiple surgical interventions
  • Recurrent infection and multi-organ failure
Full text

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