Coronial
NSWhospital

Chan findingsfinal26oct2010

Deceased

Oi Fong Chan

Demographics

77y, female

Date of death

2006-12-09

Finding date

2010-11-05

Cause of death

Intracranial haemorrhage suffered during the course of neurosurgery

AI-generated summary

Oi Fong Chan, a 77-year-old woman, underwent endoscopic trans-nasal pituitary surgery at Concord Hospital on 8 December 2006 to remove a benign pituitary adenoma. During the operation, the surgical team inadvertently encountered an aberrant (abnormally positioned) blood vessel and the surgical field began bleeding profusely. Despite appropriate use of multiple haemostatic techniques including packing, surgicel, thrombin, and gelfoam, the bleeding continued on the other side of the packing, causing severe intracranial and intraventricular haemorrhage. Mrs Chan died on 9 December 2006 from raised intracranial pressure and brain stem compression. Investigation revealed no surgical error or misnavigation—the complication resulted from natural anatomical variation: an aberrant vessel and the patient's slightly lower brain position. The coroner found this an unavoidable tragedy. The surgical team demonstrated appropriate skill and management. Recommendations addressed surgical teamwork: formal pre-operative team briefings and introductions by name and role, with WHO checklist adaptation for NSW.

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

Contributing factors

  • Aberrant (abnormally positioned) blood vessel encountered in surgical field
  • Continued venous bleeding on the other side of packing despite initial apparent control
  • Natural anatomical variation: patient's brain positioned lower than typical, frontal cortex sagging when supporting bony structure removed

Coroner's recommendations

  1. NSW Health should include pre-operative team briefings as a standard procedure in its safe surgery protocol
  2. NSW Health should adopt a standard procedure for members of new surgical teams to introduce themselves by name and role before operations commence
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