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016). CONCLUSION Right-sided clinical findings were poor prognostic factors in all stages of MS, whereas bilateral findings were not poor prognostic factor in the early-stage MS.OBJECTIVE To determine the frequency, risk factors, and outcomes of patients with brainstem hemorrhage in stroke center at King Abdulaziz Medical City, Riyadh. METHODS A retrospective, observational cohort study including all patients with brainstem hemorrhage from January 2014 to December 2017. The clinical presentation, location of hemorrhage, complications and clinical outcomes were analyzed. RESULTS Of 1921 stroke patients, 219 had hemorrhagic stroke (11.4%), of whom only 10 (4.6%) had brainstem hemorrhage, comprising 0.5% of all stroke patients. All patients were men; mean age was 58.5 years. Most frequent presenting symptoms were headache (70%), unilateral weakness (60%), and loss of consciousness (50%). All patients had hemorrhage in pons, 5 had concomitant cerebellar hemorrhage (50%), one had medullary hemorrhage, and one midbrain hemorrhage (10% each). Mean ICU stay was 17 days; mean hospital stay was 58 days. At the time of discharge, three (30%) had mRS of 0-2, 5 (50%) had mRS of 3-5, whereas 2 (20%) had died. Glasgow coma scale (GCS) of >8 at presentation was associated with a good outcome at three months (p=0.03). Presentation within six hours of symptom onset (p=0.233), hypertension on presentation (p=0.233), and age less than 60 years (p=0.065) did not affect discharge outcomes. CONCLUSION Brainstem hemorrhage occurred in 0.5% of all stroke patients. It was associated with high morbidity and mortality. Low Glasgow Coma Scale at presentation was associated with poor outcomes.BACKGROUND Carbon monoxide (CO) has anti-inflammatory effects and protects the intestinal mucosal barrier in sepsis. Pyroptosis, or cell death associated with sepsis, is mediated by caspase-1 activation. This study aimed to investigate the role of CO on the expression of proteins associated with intestinal mucosal pyroptosis in a rat model of sepsis induced by cecal ligation and puncture (CLP). MATERIAL AND METHODS The rat model of sepsis was developed using CLP. Male Sprague-Dawley rats (n=120) were divided into six study groups the sham group (n=20); the CLP group (n=20); the hemin group (treated with ferric chloride and heme) (n=20); the zinc protoporphyrin IX (ZnPPIX) group (n=20); the CO-releasing molecule 2 (CORM-2) group (n=20); and the inactive CORM-2 (iCORM-2) group (n=20). https://www.selleckchem.com/products/ots964.html Hemin and CORM-2 were CO donors, and ZnPPIX was a CO inhibitor. In the six groups, the seven-day survival curves, the fluorescein isothiocyanate (FITC)-labeled dextran 4000 Da (FD-4) permeability assay, levels of intestinal pyroptosis proteins caspase-1, caspase-11, and gasdermin D (GSDMD) were measured by confocal fluorescence microscopy. Proinflammatory cytokines interleukin (IL)-18, IL-1ß, and high mobility group box protein 1 (HMGB1) were measured by Western blot and enzyme-linked immunosorbent assay (ELISA). RESULTS CO reduced the mortality rate in rats with sepsis and reduced intestinal mucosal permeability and mucosal damage. CO also reduced the expression levels of IL-18, IL-1ß, and HMGB1, and reduced pyroptosis by preventing the cleavage of caspase-1 and caspase-11. CONCLUSIONS In a rat model of sepsis induced by CLP, CO had a protective role by inhibiting intestinal mucosal pyroptosis.With the global pandemic due to coronavirus disease 2019 (COVID-19), there has been a significant strain on healthcare facilities. The infectivity rate, as well as the rate of healthcare workers who have fallen ill to the disease, has raised concerns globally on the proper management of patients as well as the role of safe healthcare provision utilizing personal protective equipment (PPE). Furthermore, the limited supply of PPEs has mandated rationing their use to achieve maximum utility and preservation. Multiple gastroenterology associations have issued guidance and statements that would help healthcare providers in navigating these unprecedented and difficult times, and the Saudi Gastroenterology Association has provided this statement in an effort to bring the most up to date information for the management of endoscopy units in terms of resources, manpower planning, scheduling, as well as infection control policies and leadership.In northern Vietnam, a disease called 'red spot disease' has been causing high morbidity and mortality in populations of farmed grass carp Ctenopharyngodon idella for about 2 decades. The name 'red spot disease' refers to a condition characterised by haemorrhagic lesions, reddening and ulceration of the skin. Eight different bacterial isolates, namely Aeromonas hydrophila, A. sobria, Staphylococcus epidermidis, Vibrio alginolyticus, Pseudomonas fluorescens, P. luteola, Citrobacter freundii and P. putida, were isolated from diseased grass carp and used for experimental infection of the same species. Fish were challenged with the different bacterial isolates both by immersion and intramuscular injection. Different concentrations of bacteria were tested to evaluate their pathogenicity. Injection with 1 × 105 CFU of A. hydrophila and A. sobria resulted in clinical signs identical to those of red spot-diseased grass carp in Vietnam. None of the other bacterial isolates tested caused any morbidity or mortality in fish challenged either intramuscularly (1 × 106 CFU) or by bath immersion (1 × 106 or 1 × 108 CFU ml-1).Acanthocephalan parasites were collected from the intestinal tracts of 137 predominantly wild fish (1 barbel Barbus barbus, 3 European chub Squalius cephalus, 13 rainbow trout Oncorhynchus mykiss and 120 brown trout Salmo trutta) from 12 localities. The condition factor, intensity of acanthocephalan infection and pathological lesions, if applicable, were documented. Routine bacteriology and virology were performed, and the brown trout were additionally tested for the presence of the myxozoan parasite Tetracapsolioides bryosalmonae by PCR. In total, 113 acanthocephalans were barcoded by sequencing a section of the mitochondrial cytochrome oxidase subunit I (COI) gene. Barcoding of the acanthocephalan tissues resulted in 77 sequences, of which 56 were assigned to Echinorhynchus truttae (3 genotypes), 11 to Pomphorhynchus tereticollis (9 genotypes), 9 to Acanthocephalus sp. (5 genotypes) and 1 to Neoechinorhynchida. Most of these genotypes were detected for the first time. Statistically, the acanthocephalan infection did not have an impact on the condition factor of the brown trout.
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