An aortic saddle embolus causing paraplegia is rare and even rarer is a documentation of neurological recovery from this event. A 47 year old male presented with absent pulsations in the lower limbs and paraplegia, both of sudden onset. He underwent immediate bilateral transfemoral embolectomy.The postoperative period was stormy. The paraplegia recovered over a period of 2 months and he could walk to his place of work after 6 months. The rare combination of saddle embolus and paraplegia is discussed. An attempt has been made to verify the hypothesis of Dickson et al which states that a low origin of the great radicular artery (GRA) below TI2 level may be responsible for paraplegia when obstructed by a saddle embolus. We found the GRA arising at L2 vertebral level in this patient. Postoperative selective spinal arteriogram and magnetic resonance imaging (MRI) of the spinal cord showed a patent GRA and normal spinal cord structure respectively. Early surgical intervention in restoring the blood flow into the GRA may prevent severe histological changes hitherto responsible for nonrecovery from paraplegia in the earlier reports.
Background: Individuals with 22q11.2DS, a genetic subtype of Schizophrenia, respond as well to clozapine as those with other forms of Schizophrenia. It has been reported that serious and rare adverse events like seizures, and myocarditis have been associated with clozapine treatment in this population. To the best of our knowledge, the incidence of neuroleptic malignant syndrome (NMS) as an adverse effect of antipsychotic use in patients with this disorder has not yet been reported. Aim: In this article, we discuss a case of clozapine-induced NMS and subsequent re-challenge in a patient with 22q11.2DSassociated schizophrenia. The aim of this study is to accumulate scientific data about rare presentations, and serve as a major educational tool, and highlight the unique challenges faced when using clozapine in a patient with Di-George Syndrome. Methods: This is a descriptive case report of a patient encountered in the inpatient unit which includes retrospective review of the patient's electronic medical record and a literature review of antipsychotic medications-induced NMS. Conclusion: This study demonstrates a successful re-challenge with clozapine after the patient developed NMS and seizures during the initial treatment and also highlights how, in addition to drug level monitoring, considering pharmacogenetic testing early in treatment might help minimize adverse drug reactions in individuals with known genetic disorders such as 22q11.2DS.
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