Stroke is considered as the first cause of neurological dysfunction and second cause of death worldwide. Recombinant tissue plasminogen activator is the only chemical treatment for ischemic stroke approved by the US Food and Drug Administration. It was the only standard of care for a long time with a very narrow therapeutic window, which usually ranges from 3 to 4.5 h of stroke onset; until 2015, when multiple trials demonstrated the benefit of mechanical thrombectomy during the first 6 h. In addition, recent trials showed that mechanical thrombectomy can be beneficial up to 24 h if the patients meet certain criteria including the presence of magnetic resonance imaging/computed tomography perfusion mismatch, which allows better selectivity and higher recruitment of eligible stroke patients. However, magnetic resonance imaging/computed tomography perfusion is not available in all stroke centers. Hence, physicians need other easy and available diagnostic tools to select stroke patients eligible for mechanical thrombectomy. Moreover, stroke management is still challenging for physicians, particularly those dealing with patients with "wake-up" stroke. The resulting brain tissue damage of ischemic stroke and the subsequent pathological processes are mediated by multiple molecular pathways that are modulated by inflammatory markers and post-transcriptional activity. A considerable number of published works suggest the role of inflammatory and cardiac brain-derived biomarkers (serum matrix metalloproteinase, thioredoxin, neuronal and glial markers, and troponin proteins) as well as different biomarkers including the emerging roles of microRNAs. In this review, we assess the accumulating evidence regarding the current status of acute ischemic stroke diagnostic biomarkers that could guide physicians for better management of stroke patients. Our review could give an insight into the roles of the different emerging markers and micro-RNAs that can be of high diagnostic value in patients with stroke. In fact, the field of stroke research, similar to the field of traumatic brain injury, is in immense need for novel biomarkers that can stratify diagnosis, prognosis, and therapy.
Background Fibroscan is an effective and noninvasive tool to quantify fibrosis and steatosis in liver diseases including nonalcoholic fatty liver disease (NAFLD). Type-2-diabetes is a known risk factor for worse prognosis in NAFLD. In this study, we compare liver status in NAFDL diabetic and nondiabetic patients, identify potential risk factors, and determine the usefulness of Fibroscan in this population. Patients and methods The charts of all patients with NAFLD who underwent Fibroscan at our institution were reviewed. Fibroscan results, demographics, and clinical data were collected and analyzed using SPSS software. Results Of the 248 NAFLD patients, 73 (29.4%) were diabetic and 175 (70.6%) were nondiabetic. As detected by the NAFLD’ liver stiffness measure, 35 (47.94%) diabetic patients had severe liver fibrosis (F4) in contrast to only 46 (26.3%) nondiabetics. Diabetic patients also presented more with hypertension, dyslipidemia, coronary artery disease, and chronic kidney disease. Liver steatosis, liver function tests, and noninvasive scores did not vary significantly between the two groups, except for γ-glutamyltransferase, prothrombin time-international normalized ratio, and BMI-alanine aminotransferase ratio-diabetes score. Diabetic patients had significantly lower high-density lipoproteins and low-density lipoproteins. Conclusion Fibroscan results and low-density lipoprotein are potential diagnostic factors of liver fibrosis in diabetic patients with NAFLD. Further studies are necessary to verify liver fibrosis diagnostic tools and prognostic and genetic markers in diabetic patients.
BACKGROUND:Blasts incidents impose catastrophic aftermaths on populations regarding casualties, sustained injuries, and devastated infrastructure. Lebanon witnessed one of the largest nonnuclear chemical explosions in modern history-the August 2020 Beirut Port blast. This study assesses the mechanisms and characteristics of blast morbidity and mortality and examines severe injury predictors through the Injury Severity Score. METHODS:A retrospective, multicenter cross-sectional study was conducted. Data of trauma patients presenting to five major acute-care hospitals in metropolitan Beirut up to 4 days following the blast were collected in a two-stage process from patient hospital chart review and follow-up phone calls. RESULTS:A total of 791 patients with a mean age of 42 years were included. The mean distance from the blast was 2.4 km (SD, 1.9 km); 3.1% of victims were in the Beirut Port itself. The predominant mechanism of injury was being struck by an object (falling/projectile) (293 [37.0%]), and the most frequent site of injury was the head/face (209 [26.4%]). Injury severity was low for 548 patients (71.2%), moderate for 62 (8.1%), and severe/critical for 27 (3.5%). Twenty-one deaths (2.7%) were recorded. Significant serious injury predictors (Injury Severity Score, >15) were sustaining multiple injuries (odds ratio [OR], 2.62; p = 0.005); a fracture (OR, 5.78; p < 0.001); primary blast injuries, specifically a blast lung (OR, 18.82; p = 0.001), concussion (OR, 7.17; p < 0.001), and eye injury (OR, 8.51; p < 0.001); and secondary blast injuries, particularly penetrating injuries (OR, 9.93; p < 0.001) and traumatic amputations (OR, 13.49; p = 0.01). Twenty-five percent were admitted to the hospital, with 4.6% requiring the intensive care unit. At discharge, 25 patients (3.4%) had recorded neurologic disability. CONCLUSION:Most injuries sustained by the blast victims were minor. Serious injuries were mostly linked to blast overpressure and projectile fragments. Understanding blast injuries characteristics, their severity, and management is vital to informing emergency services, disaster management strategies, hospital preparedness, and, consequently, improving patient outcomes.
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