stroke (left middle cerebral artery infarction) following motorbike collision due to dissection of left internal carotid artery
AI-generated summary
Kane Mathew Leary, 17, died from a stroke (left middle cerebral artery infarction) following a motorbike collision. The critical clinical lesson involves a missed diagnosis of left internal carotid artery dissection on initial CT scans (27 May 2021). Although appropriate angiographic imaging was ordered by the emergency physician, the radiologist failed to identify a subtle occlusion at the terminal carotid vessel on over 6,500 images—missed despite being visible to experienced specialists. Early neurosurgical consultation would likely have identified the injury before irreversible brain damage occurred. Had the dissection been detected within 6-8 hours, endovascular clot retrieval could have offered salvage. Key failures: (1) radiologist interpretation error on original scans; (2) absence of neurosurgical team consultation despite head trauma concern and GCS drop. Enhanced trauma protocols, quality-controlled radiological services, and lower thresholds for specialist consultation in polytrauma with head injury are essential preventive measures.
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CT trauma series scanCT angiogramendotracheal intubationorthopaedic surgery
Contributing factors
failure to identify left internal carotid artery dissection on initial CT scans
absence of early neurosurgical team consultation
radiologist interpretation error
delay in specialist review of imaging
after-hours external radiology service limitations
incomplete trauma protocol for head injury assessment
Coroner's recommendations
Update the trauma protocol at Launceston General Hospital to include direction on when clinicians must consult the neurosurgical team in Hobart, with guidelines stressing that consultation should occur even with minor suspicion of head trauma
Implement all recommendations from the Root Cause Analysis report that have not yet been implemented
Implement a diagnostic imaging flowchart for patients with severe trauma to prompt consideration of CT angiography of the neck
Tasmanian Health Service should consider and explore employment of additional radiologists during normal hours and in-house radiologists after hours to improve quality control, reduce reporting delays, and enable direct communication between clinicians and radiologists
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