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The histomorphometric analysis of testis and testosterone level were assessed on PND 21, 50, 120; sexual behavior and sperm parameters at adulthood. In the TCC 3.0 group, a decrease in the testis interstitial volume and an increase in testosterone levels were observed on PND 21. Moreover, there was a decrease in the diameter of the seminiferous tubules on PND 50, and a decrease in sexual competency in adulthood. These results suggest that exposure to a human relevant dose of TCC may interfere with reproduction and could have implications for human health.Central nervous system (CNS) compartments remain one of the most difficult districts for drug delivery. This is due to the presence of the blood-brain barrier (BBB) that hampers 90% of drug passage, dramatically requiring non-invasive treatment strategies. Here, for the first time, the use of opioid-derived deltorphin-derivative peptides to drive biodegradable and biocompatible polymeric (i.e. poly-lactide-co-glycolide, PLGA) nanomedicines delivery across the BBB was described. Opioid-derived peptides were covalently conjugated to furnish activated polymers which were further used for fluorescently tagged nanoformulations. Beyond reporting production, formulation methodology and full physico-chemical characterization, in vivo tests generated clear proof of BBB crossing and CNS targeting by engineered nanomedicines opening the research to further applications of drug delivery and targeting in CNS disease models.Coronavirus Disease 2019(COVID 19) had emerged as a global pandemic in recent times. The healthcare sector is at the epicentre of this unprecedented global pandemic challenge. Hospitals all over the world have reduced the number of non-emergency surgeries in order to utilise the staff and resources in a more efficient way. Severe acute respiratory syndrome coronavirus (SARS-CoV-2) is most transmitted via respiratory droplets, but risk of transmission is hugely increased while doing aerosol generating procedures (AGPs). Laparoscopy remains the preferred surgical approach for most surgical indications. There is theoretical possibility of generation of aerosols contaminated with COVID-19 from leaked CO2 and smoke generation after energy device use. The aim of this paper is to review available evidence evaluating the risk of spread of COVID-19 during necessary laparoscopic procedures and to compile guidelines from relevant professional organizations to minimize this risk.Background As of May 4, 2020, the coronavirus disease 2019 (COVID-19) pandemic has affected >3.5 million people and touched every inhabited continent. Accordingly, it has stressed health systems worldwide, leading to the cancellation of elective surgical cases and discussions regarding health care resource rationing. It is expected that rationing of surgical resources will continue even after the pandemic peak and may recur with future pandemics, creating a need for a means of triaging patients for emergent and elective spine surgery. Methods Using a modified Delphi technique, a cohort of 16 fellowship-trained spine surgeons from 10 academic medical centers constructed a scoring system for the triage and prioritization of emergent and elective spine surgeries. Three separate rounds of videoconferencing and written correspondence were used to reach a final scoring system. Sixteen test cases were used to optimize the scoring system so that it could categorize cases as requiring emergent, urgent, high-priority elective, or low-priority elective scheduling. Results The devised scoring system included 8 independent components neurologic status, underlying spine stability, presentation of a high-risk postoperative complication, patient medical comorbidities, expected hospital course, expected discharge disposition, facility resource limitations, and local disease burden. The resultant calculator was deployed as a freely available Web-based calculator (https//jhuspine3.shinyapps.io/SpineUrgencyCalculator/). Conclusions We present the first quantitative urgency scoring system for the triage and prioritizing of spine surgery cases in resource-limited settings. We believe that our scoring system, although not all encompassing, has potential value as a guide for triaging spine surgical cases during the COVID pandemic and post-COVID period.Background Reports on neurologic manifestations of coronavirus disease 2019 (COVID-19) have attracted broad attention. We present an unusual case of COVID-19-associated encephalitis mimicking a glial tumor. Case description A 35-year-old woman presented with headache and seizures. T2 fluid-attenuated inverse recovery imaging showed hyperintensities in the left temporal lobe. Magnetic resonance spectroscopy showed an elevated choline peak. Imaging findings were suggestive of high-grade glioma. Antiepileptic medication failed to achieve seizure control. A left anterior temporal lobectomy was performed. The patient had no postoperative deficits, and her symptoms completely improved. Histologic examination revealed encephalitis. Postoperatively, our patient tested positive for COVID-19. Conclusions Our case raises awareness of neurologic manifestations of the disease and their potential to mimic glial tumors. For prompt diagnosis and prevention of transmission, clinicians should consider COVID-19 in patients with similar presentation.Intraorbital arteriovenous fistulas (AVFs) are rare lesions, and its treatment is challenging. We present a case of intraorbital AVF treated with endovascular embolization through the surgically accessed basal vein of Rosenthal. A 53-year-old man was referred to our hospital for an aneurysm-like lesion compressing the left optic chiasm. Left internal carotid angiogram demonstrated an orbital AVF fed by a distal segment of the ophthalmic arteries and the anterior branch of the inferolateral trunk, drained solely into a tortuous basal vein of Rosenthal through a bridging vein of the left optic nerve sheath. Considering the risk of hemorrhagic complication during transvenous manipulation and visual complication in cases of transarterial embolization, a combined surgical and transvenous embolization was attempted through the translocated basal vein of Rosenthal to bypass the dangerous path to the fistula. selleck The lesion was directly catheterized through the translocated basal vein of Rosenthal after confirming visual tolerance to brief drainage occlusion with visual evoked potential monitoring, resulting in successful fistula obliteration using detachable coils.
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