Coronial
NSWhospital

Inquest into the death of Peter ROBIN

Deceased

Peter Robin

Demographics

56y, male

Coroner

Decision ofDeputy State Coroner Magistrate Derek Lee

Date of death

2015-10-29

Finding date

2020-02-28

Cause of death

Pulmonary embolism with deep vein thrombosis an antecedent cause; coronary artery atherosclerosis and hypercholesterolaemia as other significant conditions contributing to death

AI-generated summary

Peter Robin, a 56-year-old man with a medical history of hypercholesterolaemia, hypertension, obesity, and depression, underwent elective dental surgery on 28 October 2015 to remove four wisdom teeth and resect a cyst. He was discharged the same day as planned and died the following day from pulmonary embolism secondary to a deep vein thrombosis in his right calf. Critical clinical lessons include: (1) the importance of coordinated VTE risk assessment—different clinicians reached different risk categories using different tools; (2) inadequate documentation of VTE assessments and prophylaxis; (3) failure of the surgeon to perform direct consultation with the patient's GP regarding his medical history, despite explicit expert recommendation; (4) lack of documented communication between surgical and anaesthetic teams regarding VTE risk. While the mechanical prophylaxis used (TED stockings and sequential compression devices) was appropriate, the absence of clear risk assessment documentation and coordination may have impacted quality assurance and audit capability.

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

Specialties

oral and maxillofacial surgeryanaesthesiacardiologyvascular surgery

Error types

communicationsystemdiagnostic

Drugs involved

oxycodoneantibioticsanalgesia

Clinical conditions

deep vein thrombosispulmonary embolismvenous thromboembolismobesityhypercholesterolaemiacoronary artery atherosclerosishypertensiondepressionepilepsy

Procedures

dental surgeryremoval of impacted wisdom teethcyst resectiongeneral anaesthesiaelectrocardiography

Contributing factors

  • Undetected deep vein thrombosis formed prior to 28 October 2015
  • Immobility from duration of surgery and anaesthesia
  • Patient age (56 years)
  • Obesity (BMI 34.5)
  • Inadequate VTE risk assessment coordination between clinicians
  • Failure of surgeon to consult directly with GP regarding patient's medical history

Coroner's recommendations

  1. Revise VTE risk assessment policy and forms at Nepean Private Hospital to: (a) clarify definition of 'obesity' with reference to Body Mass Index; (b) clarify definition of 'major surgery' with reference to total time under anaesthesia; (c) provide a system where total estimated surgery time can be reliably obtained from surgeon or other data; (d) record identified risk factors, final VTE risk level and prophylaxis determined for a patient
  2. Consider revising VTE risk assessment policy and forms at Nepean Private Hospital to align with NSW Health Policy Directive Preventing Venous Thromboembolism (PD2019_057) and the Adult Venous Thromboembolism Risk Assessment Tool
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