Coronial
WAhospital

Inquest into the Death of Edith Catherine BEE

Deceased

Edith Catherine BEE

Demographics

80y, female

Coroner

Deputy State Coroner Vicker

Date of death

2013-09-04

Finding date

2017-05-03

Cause of death

Gas embolism complicating surgical repair of an atherosclerotic aortic aneurysm in an elderly lady with multiple co-morbidities

AI-generated summary

An 80-year-old woman with multiple comorbidities (COPD, renal impairment, cardiac disease) underwent complex endoluminal repair of a thoracoabdominal aortic aneurysm at a private hospital. The procedure required use of CO₂ as an imaging agent due to her renal disease. The surgeon used a customised three-way tap delivery system instead of his preferred two-way system because the preferred equipment was unavailable. During the procedure, CO₂ was accidentally delivered directly into the patient's vascular system under pressure, likely when the delivery system was inadvertently disturbed. This caused fatal gas embolism. The coroner found the surgery decision appropriate given the patient's high rupture risk, but identified the use of a suboptimal delivery system as the critical error. The hospital and surgeon subsequently committed to using only TGA-approved CO₂ delivery systems.

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

Specialties

vascular surgerygeneral surgeryanaesthesiacardiologynephrologyrespiratory medicine

Error types

proceduralsystem

Clinical conditions

thoracoabdominal aortic aneurysmatherosclerosisgas embolismcardiac arrestchronic obstructive pulmonary diseasechronic kidney diseasehypertensionhypercholesterolaemialeft ventricular hypertrophy

Procedures

endoluminal graft repairaortic aneurysm repairarterial cannulationstent insertionCO₂ imaging angiography

Contributing factors

  • Use of three-way tap instead of two-way tap for CO₂ delivery system
  • Three-way tap design allowed direct pressurised delivery of CO₂ to vascular system
  • Accidental displacement of CO₂ delivery system during procedure
  • Complex and lengthy procedure increasing operative risk
  • Multiple comorbidities necessitating use of CO₂ as imaging agent

Coroner's recommendations

  1. Dr Sieunarine to use only TGA-approved CO₂ delivery systems (OptiMed) in future procedures
  2. Hollywood Private Hospital to review theatre resources and only provide or allow TGA-approved CO₂ delivery systems to visiting physicians
Full text

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