Higher homocysteine levels following SAH appear to have a significant association with both survival and favorable neurological outcome, independent of other known prognostic factors, apparently exemplifying "reverse epidemiology paradox" in which a conventional risk factor seems to impart a survival advantage.
Patients with Wiskott-Aldrich syndrome (WAS) are predisposed to malignancy and autoimmunity in addition to infections. We report a male child with WAS, who had presented with recurrent pneumonia, eczema, thrombocytopenia, autoimmune hemolytic anemia, and vasculitic skin lesions. Genetic analysis revealed a classical genotype WAS 155C>T; R41X. At 2 years of follow-up, he developed persistent headache and progressive hepatomegaly. Brain imaging showed a mass in the right frontal region, which on histopathology was shown to be high-grade non-Hodgkin lymphoma. Magnetic resonance cholangiopancreatography showed features of sclerosing cholangitis. This report extends the clinical spectrum and highlights unusual manifestations of sclerosing cholangitis and intracranial lymphoma in a patient with WAS.
Background:Serum lipid abnormalities are known to be important risk factors for vascular disorders. However, their role in delayed cerebral ischemia (DCI), the major cause of morbidity after subarachnoid hemorrhage (SAH) remains unclear. This study was an attempt to evaluate the spectrum of lipid profile changes in SAH compared to matched controls, and their relation with the occurrence of DCI.Methods:Admission serum lipid profile levels were measured in patients of SAH and prospectively studied in relation to various factors and clinical development of DCI.Results:Serum triglyceride (TG) levels were significantly lower among SAH patients compared to matched controls (mean [±standard deviation (SD)] mg/dL: 117.3 [±50.4] vs. 172.8 [±89.1], P = 0.002), probably because of energy consumption due to hypermetabolic response. Patients who developed DCI had significantly higher TG levels compared to those who did not develop DCI (mean [±SD] mg/dL: 142.1 [±56] vs. 111.9 [±54], P = 0.05). DCI was noted in 62% of patients with TG >150 mg/dL, compared to 22% among the rest (P = 0.01). Total cholesterol, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol and lipoprotein (a) neither showed a significant difference between SAH and controls and nor any significant association with DCI. Multivariate analysis using binary logistic regression adjusting for the effects of age, sex, systemic disease, World Federation of Neurosurgical Societies grade, Fisher grade, and clipping/coiling, revealed higher TG levels to have significant independent association with DCI (P = 0.01).Conclusions:Higher serum TG levels appear to be significantly associated with DCI while other lipid parameters did not show any significant association. This may be due to their association with remnant cholesterol or free fatty acid-induced lipid peroxidation.
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