There have been many advances in the diagnosis and management of focal epilepsies particularly with neuroimaging techniques and magnetic resonance imaging(MRI).Special MRI sequences can be employed to localize and res...There have been many advances in the diagnosis and management of focal epilepsies particularly with neuroimaging techniques and magnetic resonance imaging(MRI).Special MRI sequences can be employed to localize and resect the epileptogenic lesions responsible for focal epilepsy.This study aims to show the benefit of dedicated epilepsy MRI sequences in the diagnosis of focal epilepsies.A general electric 1.5 Tesla MRI machine was used with standard and special sequences.Also,a Nihon Kohden electroencephalography(EEG)machine was used.This is a prospective observational study that included 51 patients with focal epilepsies who had an initial negative brain imaging.They underwent epilepsy MRI sequences along with a prolonged video EEG monitoring to localize the lesion,and then results were analyzed statistically using SPSS 22 program.The majority of patients were males(62.75%)with a mean age of 30 years.The grand majority of patients(74.5%,p value of 0.001)had their lesion localized by the epilepsy MRI.The most commonly found pathology was mesial temporal sclerosis.A significant number of patients(23.5%)were sent for an epilepsy surgery(p value 0.002).This study shows the significant impact of dedicated epilepsy MRI sequences on the diagnosis and management of focal epilepsy in the Lebanese population.展开更多
A pot experiment was conducted to evaluate the performance of a gradual multi-stage vertical flow hydroponic system as an option for decentralized wastewater treatment and reuse.The low cost of such option and the eas...A pot experiment was conducted to evaluate the performance of a gradual multi-stage vertical flow hydroponic system as an option for decentralized wastewater treatment and reuse.The low cost of such option and the ease of its application make it feasible for rural areas where low cost decentralized options of wastewater treatment and reuse have a great potential in improving environmental and economic conditions in these areas.To evaluate the performance of such option,a five-stage vertical flow gradual hydroponic pot experiment was conducted in a greenhouse in the new campus of An-Najah National University.The experiment included five types of plants:two types of corn,barely,alfalfa,and sunflowers.Wastewater flow was applied through a drip system for the five types of plants.Wastewater was drained by gravity from one pot to the next through a gradual vertical flow hydroponic system.Quality of wastewater entering the first pot and leaving the last pot for each set of plants was monitored throughout the growing season.Results showed an over 90%removal efficiency of soluble organics and suspended solids,and about 60%removal efficiency of nitrogen through the system.The proposed gradual hydroponic treatment system was proved to be a successful alternative method to treat and reuse wastewater.Thus,gradual hydroponic systems could be successfully used as small decentralized wastewater treatment systems.This system could be used in producing crops with economic returns in Palestinian rural areas,where agriculture has a significant contribution in the income and employment of communities.展开更多
文摘There have been many advances in the diagnosis and management of focal epilepsies particularly with neuroimaging techniques and magnetic resonance imaging(MRI).Special MRI sequences can be employed to localize and resect the epileptogenic lesions responsible for focal epilepsy.This study aims to show the benefit of dedicated epilepsy MRI sequences in the diagnosis of focal epilepsies.A general electric 1.5 Tesla MRI machine was used with standard and special sequences.Also,a Nihon Kohden electroencephalography(EEG)machine was used.This is a prospective observational study that included 51 patients with focal epilepsies who had an initial negative brain imaging.They underwent epilepsy MRI sequences along with a prolonged video EEG monitoring to localize the lesion,and then results were analyzed statistically using SPSS 22 program.The majority of patients were males(62.75%)with a mean age of 30 years.The grand majority of patients(74.5%,p value of 0.001)had their lesion localized by the epilepsy MRI.The most commonly found pathology was mesial temporal sclerosis.A significant number of patients(23.5%)were sent for an epilepsy surgery(p value 0.002).This study shows the significant impact of dedicated epilepsy MRI sequences on the diagnosis and management of focal epilepsy in the Lebanese population.
文摘A pot experiment was conducted to evaluate the performance of a gradual multi-stage vertical flow hydroponic system as an option for decentralized wastewater treatment and reuse.The low cost of such option and the ease of its application make it feasible for rural areas where low cost decentralized options of wastewater treatment and reuse have a great potential in improving environmental and economic conditions in these areas.To evaluate the performance of such option,a five-stage vertical flow gradual hydroponic pot experiment was conducted in a greenhouse in the new campus of An-Najah National University.The experiment included five types of plants:two types of corn,barely,alfalfa,and sunflowers.Wastewater flow was applied through a drip system for the five types of plants.Wastewater was drained by gravity from one pot to the next through a gradual vertical flow hydroponic system.Quality of wastewater entering the first pot and leaving the last pot for each set of plants was monitored throughout the growing season.Results showed an over 90%removal efficiency of soluble organics and suspended solids,and about 60%removal efficiency of nitrogen through the system.The proposed gradual hydroponic treatment system was proved to be a successful alternative method to treat and reuse wastewater.Thus,gradual hydroponic systems could be successfully used as small decentralized wastewater treatment systems.This system could be used in producing crops with economic returns in Palestinian rural areas,where agriculture has a significant contribution in the income and employment of communities.
