Abstract
BackgroundAnterior cerebral artery (ACA) territory infarctions are relatively rare, accounting for 0.3 % to 4.4 % of stroke cases, with bilateral occurrences being even rarer. These infarctions can lead to quadriplegia/paresis. Bilateral ACA territory infarctions are possibly caused by vasospasm due to subarachnoid haemorrhage (SAH) from ruptured anterior communicating artery (ACoA) aneurysms or thrombosis in the presence of a rudimentary contralateral artery. ACoA aneurysm with quadriparesis is extremely unusual, with this being only the second recorded occurrence and the youngest reported. Overall, understanding the mechanisms and consequences of ACA territory infarctions, especially bilateral occurrences, remains crucial for effective diagnosis and management of such rare but serious neurological events. Case PresentationA 35-year-old male, previously healthy, presented with quadriparesis and an ACoA aneurysm. Initially experiencing a headache and brief loss of consciousness, he later developed right foot drop and progressive right-sided weakness, leading to altered consciousness. Subsequent imaging revealed SAH consistent with the aneurysm and also bilateral ACA territory infractions. Upon referral for further management, he presented with intact higher mental functions but motor deficits in the upper and lower limbs. Imaging and assessments confirmed the diagnosis, prompting a decision for craniotomy and clipping. Postoperatively, the patient showed improvement, with enhanced power in both upper limbs at one-month follow-up. ConclusionBilateral ACA territory infarction is unusual, and the symptoms are not yet well understood. ACoA aneurysm with quadriparesis is extremely unusual. Understanding the mechanics and clinical consequences of bilateral ACA territory infarctions is critical for early detection and management.
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