Abstract
Abstract Introduction Even though pneumatic weapons rarely cause severe direct trauma, pellet embolisation can lead to unexpected, catastrophic events. Case Report A 13-year-old, previously healthy boy was injured by an accidentally fired pneumatic gun, while playing with his twin brother. He sustained a penetrating wound to left anterior chest wall and resultant bleeding was self-limiting. He was hospitalised within 15minutes. On admission, he was hemodynamically stable with normal Respiratory, Cardiovascular and Neurological system findings. Entry wound measuring 5*5 mm was present at 5th intercostal space just left to the sternum. No exit wound was detected. Initial chest radiograph and ultra-sound abdomen and chest were normal. 2D echocardiogram revealed only a very thin layer(3mm) of pericardial effusion. Four hours later, He developed a focal seizure followed by left sided hemiparesis. Urgent NCCT brain and carotid artery duplex showed a high dense pellet in right internal carotid artery at the level of petrous temporal bone and hypo-dense Middle Cerebral Artery (MCA) suggestive of right MCA thrombosis. He was transferred to a tertiary care centre. Interventional radiological and endo-vascular attempts of pellet retrieval have been failed. Ischemic stroke pursued with worsening cerebral oedema; thus decompression craniotomy was performed on day 3. He is currently being rehabilitated in a specialised centre. Conclusions High degree of suspicion should be maintained on the possibility of projectile embolisation, in pneumatic gun-shot injuries, especially in the absence of an exit wound. Extensive early investigations should be performed to localise the projectile and retrieval should be planned.
Published Version
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