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The ongoing U.S. outbreak of vaping-related acute lung injury, recently named EVALI (E-cigarette or vaping product use associated acute lung injury), has reignited concerns about the health effects of vaping. Initial case reports of vaping-related lung injury date back to 2012, but the ongoing outbreak of EVALI began in the summer of 2019 and has been implicated in 2,807 cases and 68 deaths as of this writing. Review of the scientific literature reveals 216 patient cases spanning 41 reports of parenchymal lung injury attributed to vaping. In this review, we detail the clinical, radiographic, pathologic patterns of lung injury attributable to vaping, as well as provide an overview of the scientific literature to date on the effects of vaping on respiratory health. Tetrahydrocannabinol was the most common vaped substance and Vitamin E acetate was found in bronchoalveolar lavage specimens from many affected individuals, however no specific component or contaminant has conclusively been identified as the cause for the injury to date. Patients present with cough, dyspnea, constitutional symptoms, and gastrointestinal symptoms. Radiology and histopathology demonstrate a spectrum of nonspecific acute injury patterns. A high index of suspicion combined with a good history are the key to an accurate diagnosis. Treatment is supportive, mortality is low, and most patients recover. Corticosteroids have been used with apparent success in patients with severe disease but more rigorous studies are needed to clarify their role in treating vaping related lung injury.The study of corneal stromal keratocytes is motivated by its strong association with corneal health and visual function. They play a dominant role in the maintenance of corneal homeostasis and transparency through the production of collagens, proteoglycans and corneal crystallins. Trauma-induced apoptosis of keratocytes and replacement by fibroblasts and myofibroblasts disrupt the stromal matrix organization, resulting in corneal haze formation and vision loss. It is, therefore, important to understand the biology and behaviours of keratocytes and the associated stromal cell types (like fibroblasts, myofibroblasts, stromal stem cells) in wound healing, corneal pathologies (including keratoconus, keratitis, endothelial disorders) as well as different ophthalmic situations (such as collagen crosslinking/photodynamic treatment, keratoplasty and refractive surgery, and topical medications). The recent development of ex vivo propagation of keratocytes and stromal stem cells, and their translational applications, either via stromal injection or incorporated in bioscaffold, have been shown to restore the corneal transparency and regenerate native stromal tissue in animal models of corneal haze and other disorders.Aims To investigate the prognostic value of estimated glomerular filtration rate (eGFR) and albuminuria in determining pregnancy outcomes in women with type 1 and type 2 diabetes. Methods An observational study of pregnant women with type 1 (n = 92) and type 2 diabetes (n = 106) who delivered between 2004 and 2014 at a single tertiary obstetric centre. Clinical and biochemical characteristics were determined and related to major obstetric outcomes preeclampsia, preterm birth less then 32 and less then 37 weeks, and neonatal intensive care admission. We used univariate analyses and multivariable logistic regression models with eGFR using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation and albuminuria as covariates. Results In the pooled diabetes cohort, multivariable logistic regression with eGFR and albuminuria status demonstrated that the presence of albuminuria (albumin-to-creatinine ratio ≥3.5 mg/mmol) (OR, 2.7; 95% CI, 1.42-4.99; P = 0.002) was associated with preeclampsia, whilst an eGFR of less then 120 mL/min/1.73m2 was associated with preterm birth less then 32 weeks (OR, 1.04; 95% CI, 1.00-1.09; P = 0.02). Conclusions Despite its recognized limitations in pregnancy, lower eGFR values were associated with increased risk of adverse outcomes. learn more Our exploratory data suggest eGFR, along with albuminuria, can aid in identifying women at high risk of developing adverse obstetric outcomes.There is a higher incidence of stroke in both the type 2 diabetic and the non-diabetic insulin resistant patient which is accompanied by higher morbidity and mortality. The increase in the frequency of stroke is due to an increase in cerebral infarction, mainly lacunar infarcts, with the incidence of cerebral hemorrhage being less frequent. The major risk factors for stroke in the type 2 diabetic patient are age, hypertension, the number of features of the Metabolic Syndrome, the presence of diabetic nephropathy in both the type 1 and type 2 patient, the presence of peripheral and coronary artery disease and especially the presence of atrial fibrillation. Hyperglycemia is associated with a poor outcome from stroke but is not causative.Aims Little is known about glycemic management, particularly with novel cardio-nephroprotecive agents, in underserved minority kidney transplant recipients with pre-transplant type 2 (T2DM) and posttransplantation diabetes mellitus (PTDM). We assessed glycemic management and outcomes in this high-risk population. Methods We reviewed records of patients who received kidney transplants between June 2012 and December 2014 at a single center. Hemoglobin A1c (HbA1c) and prescribed glucose-lowering medications were examined, and mortality was compared between T2DM, PTDM, and no diabetes (NoDM) patients. Results We followed 302 patient records (41.1% Hispanic, 41.1% non-Hispanic black) for a median (IQR) of 45.5 (37.0, 53.0) months post-transplant. Pre-transplant T2DM was present in 152 (50.3%), while 58 (19.2%) developed PTDM and 92 (30.4%) remained NoDM. At 1-year post-transplant, the average HbA1c was 8.1±1.8% in T2DM and 6.6±1.3% in PTDM. No glucose-lowering agents were prescribed in 3.4% of T2DM and 44.8% of PTDM. When treated, both received mostly insulin and metformin. Diabetes, HbA1c and insulin therapy were not independently associated with risk of mortality. Conclusions Glycemic management was suboptimal and relied on older medications. Further studies are needed to assess longer-term outcomes of more rigorous glycemic management, and the value of novel cardio-nephroprotective agents in kidney transplant recipients.
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