We report the case of 19-year-old woman with severe hypercalcemia who was evaluated with a bone scan to exclude bone metastases. Increased uptake in both lungs was detected on the bone scan. The patient's final diagnosis was systemic lupus erythematous (SLE). There is no reported pattern of bone scanning in SLE, and diffuse lung uptake has not been reported in these patients.
Cognitive impairment is frequently reported among anti-phospholipid syndrome (APS) patients as well as anti-phospholipid antibody (aPL) carriers, but it is less studied than other manifestations of this condition. Moreover, the exact prevalence of cognitive impairment in these patients has not been accurately determined, mainly due to inconsistency in the tools used to identify impairment, small sample sizes, and variability in the anti-phospholipid antibodies measured and positivity cutoffs. The notion of a direct pathogenic effect is supported by the observation that the higher the number of aPLs present and the higher the load of the specific antibody, the greater the risk of cognitive impairment. There is some evidence to suggest that besides the thrombotic process, inflammation-related pathways play a role in the pathogenesis of cognitive impairment in APS. The cornerstone treatments of APS are anti-coagulant and anti-thrombotic medications. These treatments have shown some favorable effects in reversing cognitive impairment, but solid evidence for the efficacy and safety of these treatments in the context of cognitive impairment is still lacking. In this article, we review the current knowledge regarding the epidemiology, pathophysiology, clinical associations, and treatment of cognitive impairment associated with APS and aPL positivity.
Background: Peripheral neuropathy is considered a common complication in patients suffering from advanced chronic kidney disease (CKD). Superimposed peripheral multiple neuropathies may complicate arteriovenous (A-V) fistulas construction. Aim: To evaluate, prospectively, the influence of brachiocephalic A-V fistulas construction on the peripheral nerves of the same extremity and to characterize the patients at risk for developing ischemic and neurological complications. Patients and Methods: Twenty patients suffering from advanced CKD were enrolled in the study: 10 diabetic and 10 non-diabetic patients. All patients underwent electrophysiological evaluation one week before, 3 weeks and 3 months after surgery. Median, ulnar and radial nerves were studied. Results: In non-diabetic patients MNCV was normal before and after surgery, but were significantly lower and reduced progressively and significantly after surgery in diabetic patients ( p 0.02). In both non-diabetic and diabetic patients SNCV was reduced, but were significantly lower in diabetic patients before and after surgery ( p 0.03). In diabetic patients it reduced progressively and significantly after surgery ( p < 0.01). Thirty percent of patients developed local edema and significant decrease of CMAP of median nerve three weeks after surgery ( p = 0.02) with complete resolution at three months. Conclusion: Diabetic uremic patients are at increased risk to develop disabling neurological complications after the construction of A-V fistulas.
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REPRINTSDiabetes was the only predictive risk factor for developing these complications. Prevention requires careful preoperative electrophysiological evaluation and postoperative follow-up.
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