Mrs NSM - Non-inquest findings
Demographics
81y, female
Date of death
2014-04-11
Finding date
2017-07-31
Cause of death
left haemothorax and mediastinal haemorrhage from the insertion site of the permanent pacemaker lead into the left subclavian vein
AI-generated summary
An 81-year-old woman died from haemothorax and mediastinal haemorrhage following pacemaker insertion for sick sinus syndrome. Multiple venous punctures during the procedure caused vascular injury. Critical clinical lessons include: (1) failure to recognise deteriorating patient due to use of standard observation charts rather than 'track and trigger' systems—a MET call should have been initiated at 3:00 pm when chest pain and hypotension were noted; (2) delay in obtaining chest X-ray despite clinical indicators; (3) inadequate senior medical involvement in post-operative management; (4) delayed blood transfusion (not started until 2:50 am despite evidence of bleeding from midnight); (5) difficulty accessing appropriately skilled staff out-of-hours for chest drain insertion. Implementation of cardiac-specific observation scoring systems, amended clinical pathways, ultrasound-guided vein puncture protocols, and clearer after-hours access procedures have since been instituted.
AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes.
Error types
Drugs involved
Clinical conditions
Contributing factors
- delay in recognising arterial injury and haemopneumothorax
- use of standard single response system observation chart instead of 'track and trigger' tool
- failure to initiate MET call at appropriate time (3:00 pm)
- medical reviews conducted by staff without appropriate speciality skills
- failure to conduct chest X-ray when clinically indicated
- blind subclavian punctures without prior imaging guidance
- multiple venous punctures during pacemaker insertion
- inadequate senior medical staff involvement in post-operative care
- delay in identifying significant blood loss
- delayed commencement of blood transfusion
- difficulty accessing appropriately skilled staff out-of-hours for chest drain insertion
- pain during procedure misinterpreted as osteoarthritis rather than vascular injury
- digital pressure rather than cauterisation for bleeding control
- misinterpretation of venogram findings
- retrospective documentation in patient records
Coroner's recommendations
- Review, implement and evaluate locally developed cardiac-specific Q-ADDS chart (track and trigger observation scoring system) in cardiology units
- Refer possibility of cardiac-specific Q-ADDS to State-wide 'Recognition and Responding to Clinical Deterioration in Acute Healthcare' group for pilot trial
- Amend 'Clinical Pathway Pacemaker/AICD' to include indications of arterial injury as per recommendations of Interventional Cardiologists
- Establish evidence-based best practice workplace protocol for implementing ultrasound-guided cannulation of subclavian vein instead of landmark method prior to repeated subclavian arterial puncture
- Implement quality improvement plan to address retrospective documentation in patient records
- Develop clear and definitive process for accessing appropriately skilled Medical Officer out of hours for intercostal catheter insertion
- Review allocated resourcing and processes for out-of-hours medical imaging (mobile chest X-ray) availability
- Conduct regular medico-legal and Patient Care Plan audits with discussion at departmental meetings
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