Extensive small bowel infarction caused by superior mesenteric artery thrombus
AI-generated summary
A 76-year-old man presented to ED with sudden onset left-sided abdominal pain, vomiting and bowel incontinence. Initial CT imaging was reassuring. However, mesenteric ischaemia—characterised by severe pain without significant clinical signs—was not diagnosed until a CT angiogram performed 19 hours post-presentation revealed superior mesenteric artery thrombosis with acute bowel ischaemia. Critical delays occurred: the diagnosis should have been considered earlier given the clinical presentation; CT angiography should have been ordered sooner; and there was a 3.5-hour delay between oral and written radiology reporting. Despite emergency transfer and multiple surgeries, the patient died from extensive small bowel infarction. The coroner accepted expert opinion that earlier diagnosis would have significantly improved survival chances. Key lessons: maintain high clinical suspicion for mesenteric ischaemia in patients with severe pain disproportionate to examination findings; order appropriate imaging promptly; ensure rapid communication of critical results; escalate diagnostic concerns between teams.
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CT scan of abdomen and pelvisCT angiogram of abdomen and pelvissurgery
Contributing factors
delay in considering diagnosis of mesenteric ischaemia
delay in ordering CT angiography
delay in communication of critical radiology results
lack of documentation from surgical team
unclear escalation and communication between reviewing teams
generalised atherosclerotic vascular disease
Coroner's recommendations
The North West Regional Hospital should complete the audit of a random selection of patients admitted to ED with undifferentiated abdominal pain, reviewing the quality of patient assessment, planning, documentation and transfer to surgical team, as specified in the RCA report
Upon completing the auditing and reporting recommendations, the North West Regional Hospital should take steps it considers necessary to educate or reinforce to clinicians relevant matters regarding timely investigations, diagnosis and treatment of patients presenting with undifferentiated abdominal pain
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