IMPORTANCE Opioid addiction affects approximately 2.4 million Americans. Nearly 1 million individuals, including a growing subset of 21 000 minors, abuse heroin. Its annual cost within the United States amounts to $51 billion. Inhaled heroin use represents a global phenomenon and is approaching epidemic levels east of the Mississippi River as well as among urban youth. Chasing the dragon (CTD) by heating heroin and inhaling its fumes is particularly concerning, because this method of heroin usage has greater availability, greater ease of administration, and impressive intensity of subjective experience (high) compared with sniffing or snorting, although it also has a safer infectious profile compared with heroin injection. This is relevant owing to peculiar and often catastrophic brain complications. Following the American Medical Association Opioid Task Force mandate, we contribute a description of the pharmacology, pathophysiology, clinical spectrum, neuroimaging, and neuropathology of CTD leukoencephalopathy, as distinct from other heroin abuse modalities.OBSERVATIONS The unique spectrum of CTD-associated health outcomes includes an aggressive toxic leukoencephalopathy with pathognomonic neuropathologic features, along with sporadic instances of movement disorders and hydrocephalus. Clinical CTD severity is predominantly moderate at admission, frequently unmodified at discharge, and largely improved in the long term. Mild cases survive with minor sequelae, while moderate to severe presentations might deteriorate and progress to death. Other methods of heroin use may complicate with stroke, seizure, obstructive hydrocephalus, and (uncharacteristically) leukoencephalopathy. CONCLUSIONS AND RELEVANCEThe distinct pharmacology of CTD correlates with its specific clinical and radiological features and prompts grave concern for potential morbidity and long-term disability costs. Proposed diagnostic criteria and standardized reporting would ameliorate the limitations of CTD literature and facilitate patient selection for a coenzyme Q10 therapeutic trial.
PCP was mostly a late-onset disease occurring after complete course of prophylaxis particularly among patients with CMV infection or allograft rejection. PCP is associated with significant allograft loss. Extended prophylaxis targeting recipients with allograft rejection or CMV infection may reduce the risk of PCP.
OBJECTIVE:Nonalcoholic fatty liver disease (NAFLD) and polycystic ovary syndrome (PCOS) both are known to be associated with insulin resistance and metabolic syndrome (MS). The aim of the study was to determine the presence of NAFLD and associated factors of hepatic steatosis in women with PCOS.MATERIALS AND METHODS:A cross-sectional hospital based study of 54 women with PCOS and 55 healthy controls who were age and weight matched were included. Anthropometric parameters, biochemical and hormonal investigations were done in all the patients. Insulin resistance was calculated by Homeostasis model assessment (HOMA). Abdominal ultrasonography and biochemical tests were used to determine the presence of hepatic steatosis after excluding other causes liver disease.RESULTS:Women with PCOS had a higher prevalence of hepatic steatosis (67% vs 25%, P = 0.001) MS (35% vs. 7%, P < 0.01) and elevated transaminases (31% vs. 7%, P = 0.03) than controls. All patients with PCOS and controls with MS had presence of hepatic steatosis. Age, BMI, waist-hip ratio, HOMA-IR, HDL and PCOS diagnosis were the factors associated with presence of hepatic steatosis.CONCLUSION:NAFLD is commonly present in women with PCOS in combination with other metabolic derangements. Evaluation for liver disease should be considered at an earlier age in women with PCOS, particularly those who have an evidence of MS.
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