Objective:To assess the effect of memantine combined with liraglutide on aluminum chloride(AlCl_(3))and D-galactose(D-GAL)-induced neurotoxicity in rats.Methods:Male Wistar rats were divided into 5 groups of 5 animals...Objective:To assess the effect of memantine combined with liraglutide on aluminum chloride(AlCl_(3))and D-galactose(D-GAL)-induced neurotoxicity in rats.Methods:Male Wistar rats were divided into 5 groups of 5 animals each:the positive control,the negative control,the memantine-treated group,the liraglutide-treated group,and the combination group treated with memantine and liraglutide.AlCl_(3)and D-GAL were used to induce neurotoxicity.Behavioral tests,brain beta-amyloid protein,and oxidative stress biomarkers were evaluated.Results:The Morris water maze test indicated an enhanced memory in the combination group.Moreover,the combination treatment of liraglutide and memantine resulted in a remarkable reduction in the beta-amyloid protein level in the brain tissue.Neuronal inflammation and oxidative stress biomarkers were significantly reduced,and the levels of antioxidant parameters were enhanced.Conclusions:The combination of liraglutide and memantine exerts neuroprotective effects and enhances memory and cognitive functions in rats with Alzheimer’s disease.展开更多
Objective:To report a rare case of otogenic tension pneumocephalus as a complication of a diffuse leptomeningeal glioneuronal tumor in a patient with a ventriculoperitoneal(V.P.)shunt.Patients:Twenty-three-year-old ma...Objective:To report a rare case of otogenic tension pneumocephalus as a complication of a diffuse leptomeningeal glioneuronal tumor in a patient with a ventriculoperitoneal(V.P.)shunt.Patients:Twenty-three-year-old man with a confirmed diffuse leptomeningeal glioneuronal tumor diagnosis was treated for temporal bone defect and considerable pneumocephalus one year after V.P.shunt.Intervention(s):The patient underwent a Transmastoid,retrolabyrinthine approach.The defect was closed with temporalis facia graft and conchal cartilage as a double-layer closure,and then DuraSeal®was placed over the repaired area.Main outcome measure(s):Resolution of the pneumocephalus.Results:There was a significant reduction in the pneumocephalus on the first day post-operatively.Conclusions:Spontaneous or secondary pneumocephalus development should be considered in patients with brain tumors,hydrocephalus,and patients who undergo V.P.shunt insertion.展开更多
基金funded by the Deanship of Scientific Research(DSR)at King Abdulaziz University,Jeddah,under grant No.G:455-248-1442。
文摘Objective:To assess the effect of memantine combined with liraglutide on aluminum chloride(AlCl_(3))and D-galactose(D-GAL)-induced neurotoxicity in rats.Methods:Male Wistar rats were divided into 5 groups of 5 animals each:the positive control,the negative control,the memantine-treated group,the liraglutide-treated group,and the combination group treated with memantine and liraglutide.AlCl_(3)and D-GAL were used to induce neurotoxicity.Behavioral tests,brain beta-amyloid protein,and oxidative stress biomarkers were evaluated.Results:The Morris water maze test indicated an enhanced memory in the combination group.Moreover,the combination treatment of liraglutide and memantine resulted in a remarkable reduction in the beta-amyloid protein level in the brain tissue.Neuronal inflammation and oxidative stress biomarkers were significantly reduced,and the levels of antioxidant parameters were enhanced.Conclusions:The combination of liraglutide and memantine exerts neuroprotective effects and enhances memory and cognitive functions in rats with Alzheimer’s disease.
文摘Objective:To report a rare case of otogenic tension pneumocephalus as a complication of a diffuse leptomeningeal glioneuronal tumor in a patient with a ventriculoperitoneal(V.P.)shunt.Patients:Twenty-three-year-old man with a confirmed diffuse leptomeningeal glioneuronal tumor diagnosis was treated for temporal bone defect and considerable pneumocephalus one year after V.P.shunt.Intervention(s):The patient underwent a Transmastoid,retrolabyrinthine approach.The defect was closed with temporalis facia graft and conchal cartilage as a double-layer closure,and then DuraSeal®was placed over the repaired area.Main outcome measure(s):Resolution of the pneumocephalus.Results:There was a significant reduction in the pneumocephalus on the first day post-operatively.Conclusions:Spontaneous or secondary pneumocephalus development should be considered in patients with brain tumors,hydrocephalus,and patients who undergo V.P.shunt insertion.