Coronial
NSWhospital

Inquest into the death of Sean Montgomery

Deceased

Sean Thomas Montgomery

Demographics

70y, male

Date of death

2019-09-13

Finding date

2024-01-29

Cause of death

severe metabolic acidosis due to multi organ failure including liver ischaemia

AI-generated summary

70-year-old Sean Thomas Montgomery died from severe metabolic acidosis and multi-organ failure following a thoracoscopic repair of a chronic right diaphragmatic hernia. The coroner identified multiple significant failings: the surgeon Dr F. failed to adequately review CT imaging, which clearly showed organ herniation, leading him to underestimate surgical complexity and risk. He failed to provide adequate informed consent and produced an inadequate operation report that didn't document surgical difficulties or organ injury. Postoperatively, there were missed opportunities for earlier recognition of deterioration (inadequate observation frequency, delayed recognition of severe metabolic acidosis, acidosis overnight). Most significantly, there was an inexplicable delay in returning Mr Montgomery to surgery after his condition deteriorated—over 4 hours elapsed before he reached the operating theatre, during which his organs suffered progressive ischaemic injury. The private hospital lacked emergency takeback protocols and on-call anaesthetist cover. Surgical technique caused extensive organ damage (liver, bowel), which combined with the delayed return to surgery and failure of mesh repair, ultimately proved fatal. Preventive measures should include adequate pre-operative imaging review, detailed operation reporting, timely escalation protocols, and emergency surgical capacity.

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

Contributing factors

  • inadequate pre-operative imaging review by surgeon
  • failure to recognize organ herniation on CT scans
  • underestimation of surgical complexity and risk
  • inadequate informed consent process
  • inadequate operation report lacking documentation of surgical difficulties and organ injury
  • intraoperative organ damage from excessive force and inappropriate technique
  • failed mesh repair allowing liver re-herniation
  • delayed recognition of postoperative deterioration
  • inadequate postoperative observation frequency
  • missed opportunity for early CT imaging overnight
  • unacceptable delay in returning to surgery (4+ hours)
  • private hospital lack of emergency takeback theatre policy
  • private hospital lack of on-call daytime anaesthetist
  • ineffective emergency messaging system (HosPortal)
  • surgeon's failure to take control of return-to-surgery process
  • organ ischaemia from prolonged herniation and failed repair

Coroner's recommendations

  1. Transcript of evidence to be given to Executive Officer of Medical Council of New South Wales regarding Dr F.
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