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Vaping-associated lung injury (VALI) presents with symptoms ranging from lower respiratory tract involvement (shortness of breath, fever, and cough) to gastrointestinal involvement (vomiting and diarrhea). Based on the longitudinal analysis, VALI is associated with increased risk for respiratory disease, making it paramount for medical professionals to understand this disease process and be familiar with its varied presentations. Our case study is a presentation of two relatively young patients with VALI, with a varied clinical course and distinct levels of severity. VALI still remains uncharted territory. Case reports, such as ours, have the potential to invoke randomized controlled clinical trials to better understand the disease etiology, pathology, and management.Introduction Chronic kidney disease (CKD) carries a significant association with cardiac diseases, which suggests a minor reduction in the glomerular filtration rate (GFR) can act as an independent risk factor for causing cardiovascular abnormalities. Patients of CKD having cardiovascular disease (CVD) had three to thirty times higher risk of mortality as compared to the general population. In addition, mortality among cardiovascular patients has been found to be twofold higher in CKD stage 2 patients and three-fold higher in patients with stage 3 CKD, when collated to patients with normal renal function. Furthermore, cardiomyopathy among hemodialysis (HD) is due to the presence of coronary artery obstruction, reduction in coronary reserves, and left ventricular (LV) physiological-structural abnormalities secondary volume and pressure overload. Echocardiography is a gold standard diagnostic modality for the identification of cardiac structural and functional abnormalities. Therefore, the evaluation of echocard in 74.3% hypertensive patients versus only 42.6% non-hypertensive patients (p-value 0.001). LV systolic dysfunction was also high in hypertensive patients, 46.1% versus 21.3% patients in non-hypertensive patients (p-value 0.008). Conclusion There is a high frequency of cardiac functional and structural abnormalities in CKD patients on HD especially in patients having concomitant hypertension. LVH is the most common structural defect and LV diastolic dysfunction is the most common functional cardiac defect in CKD patients on hemodialysis.Background Disparities exist in medical care and may result in avoidable negative clinical care outcomes for those affected. There remains a paucity in the literature regarding the impact of economic disparities on neurosurgical outcomes. Methods A total of 283 consecutive posterior fossa brain tumor resections, excluding cerebellopontine angle tumors, over a six-year period (June 07, 2013, to April 29, 2019) at a single, multihospital academic medical center were analyzed retrospectively. Outcomes evaluated included 30-day readmission and mortality, emergency department (ED) evaluation, unplanned return to surgery within 30 days, and return to surgery after index admission within 30 days. The population was divided into quartiles based on median household income, and univariate analysis was conducted between the lowest (Q1) and highest (Q4) socioeconomic quartiles, with significance set at a p less then 0.05. Stepwise regression was conducted to determine the correlations among study variables and identify confounding factors. Results Whole population univariate analysis demonstrated lower socioeconomic status (SES) to be correlated with increased mortality within 30 post-operative days and increased return to surgery after index admission. No significant difference was found with regard to 30-day readmission, ED evaluation, unplanned reoperation, or return to surgery after index admission. Decreasing, but not significant, mortality was demonstrated between Q1 and Q4 socioeconomic quartiles. Conclusions This study suggests that low SES, when defined by household income, correlates with increased mortality within 30 days and an increased need for return to surgery within 30 days. There may be an opportunity for hospitals and care providers to use SES to proactively identify high-risk patients and test the impact of supports in the post-operative setting.Castleman disease is a lymphoproliferative disorder characterized by atypical lymph node hyperplasia and systemic symptoms; it can also affect the skin and blood counts. The condition is categorized by the extent of involvement (unicentric or multicentric) and the observed lymph node pathology (hyaline-vascular, plasma cell or mixed cellularity). Pathogenesis also has a role in the classification and treatment of multicentric Castleman disease; this variant can either be related to the presence of human herpesvirus-8 (HHV-8) infection or associated with POEMS (polyneuropathy, organomegaly, endocrinopathy, monoclonal proteins and skin changes) syndrome, or idiopathic. The principal cytokine responsible for causing idiopathic multicentric Castleman disease (IMCD) is interleukin-6 (IL-6). Therefore, treatment with agents that bind to IL-6 (such as siltuximab) or block the IL-6 receptor (such as tocilizumab) has been used. We report a woman with IMCD who was successfully being treated with siltuximab; her cutaneous manifestations and systemic disease (lung and lymph nodes) improved within three months. However, nine months after starting siltuximab, she developed a worsening cough and new infiltrates in the right lung on positron emission tomography/computed tomography (PET/CT) scan; there were no other constitutional symptoms such as fever, night sweats or fatigue. Differential diagnosis included Castleman disease recurrence, lung neoplasm and infection. Her pulmonary symptoms and infiltrates on scan resolved after treatment with systemic levofloxacin, indicating that she had an antibiotic-sensitive afebrile pneumonia. We postulate that her siltuximab therapy blocked the IL-6-associated fever and constitutional symptoms that normally are a hallmark of pneumonia. Epoxomicin supplier Therefore, patients who are receiving medications such as siltuximab and tocilizumab that block the IL-6 pathway and impair the acute phase inflammatory response may fail to manifest constitutional symptoms such as fever when infected.
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