The purpose of this work was to reestablish the respiratory abduction of theparalyzed vocal cord through reinnervation of the posterior cricoarytenoid(PCA)mus-cle by part of phrenic fibres.In fifteen adult cats the ad...The purpose of this work was to reestablish the respiratory abduction of theparalyzed vocal cord through reinnervation of the posterior cricoarytenoid(PCA)mus-cle by part of phrenic fibres.In fifteen adult cats the adductor branch of the recurrentlaryngeal nerve(RLN)of the right side was cut and its distal end ligated,while the pro -ximal end was implanted into the PCA muscle belly.The whole RLN was then transectedin the tracheoesophageal groove and its distal stump anastomosed to the upper branchof the phrenic nerve.Various techniques for observation were used on day 40,80 and 150after operation.Direct laryngoscopy showed that the inspiratory abduction of the para-lyzed vocal cord recovered within 40 d in all cats.Eighty days later,a larger abducentmotion of the glottis was observed on the reinnervated side.Abduction was caused byreinnervation of the PCA muscle from phrenic motoneurons,as demonstrated by laryn-geal electromyogram,and the function of diaphragm maintained as revealed by monito-ring of the intrathoracic pressure.展开更多
Sleep paralysis (SP) is a benign,transient episode of immobility and it lasts a few seconds to a few minutes.It can occur while falling asleep or on awakening.It is a condition of unknown etiology and all the skeletal...Sleep paralysis (SP) is a benign,transient episode of immobility and it lasts a few seconds to a few minutes.It can occur while falling asleep or on awakening.It is a condition of unknown etiology and all the skeletal muscles are almost ‘paralyzed’.It leads to an inability to speak or move but individual remains conscious.This review summarizes the existential clinical literature on sleep paralysis most relevant to practitioners;also summarizes the many historical and artistic manifestations of SP in different cultures.It also throws light on the available Arabic literature and others as per the aim of the review.For this review,literature search using engines was carried out,and review papers and original research articles were analyzed.We start with a review which summarizes the collection of symptoms,prevalence rate,risk factors and etiological theories,characteristics and classification of the SP over the past years up to the present time,also the management in the form of psychotherapy and pharmacotherapy as well as the cultural significances in different countries.SP plays an important role in the genesis and maintenance of many supernatural beliefs such as nocturnal alien abductions,demonic and ghost attacks in individuals with intact reality testing.展开更多
文摘The purpose of this work was to reestablish the respiratory abduction of theparalyzed vocal cord through reinnervation of the posterior cricoarytenoid(PCA)mus-cle by part of phrenic fibres.In fifteen adult cats the adductor branch of the recurrentlaryngeal nerve(RLN)of the right side was cut and its distal end ligated,while the pro -ximal end was implanted into the PCA muscle belly.The whole RLN was then transectedin the tracheoesophageal groove and its distal stump anastomosed to the upper branchof the phrenic nerve.Various techniques for observation were used on day 40,80 and 150after operation.Direct laryngoscopy showed that the inspiratory abduction of the para-lyzed vocal cord recovered within 40 d in all cats.Eighty days later,a larger abducentmotion of the glottis was observed on the reinnervated side.Abduction was caused byreinnervation of the PCA muscle from phrenic motoneurons,as demonstrated by laryn-geal electromyogram,and the function of diaphragm maintained as revealed by monito-ring of the intrathoracic pressure.
文摘Sleep paralysis (SP) is a benign,transient episode of immobility and it lasts a few seconds to a few minutes.It can occur while falling asleep or on awakening.It is a condition of unknown etiology and all the skeletal muscles are almost ‘paralyzed’.It leads to an inability to speak or move but individual remains conscious.This review summarizes the existential clinical literature on sleep paralysis most relevant to practitioners;also summarizes the many historical and artistic manifestations of SP in different cultures.It also throws light on the available Arabic literature and others as per the aim of the review.For this review,literature search using engines was carried out,and review papers and original research articles were analyzed.We start with a review which summarizes the collection of symptoms,prevalence rate,risk factors and etiological theories,characteristics and classification of the SP over the past years up to the present time,also the management in the form of psychotherapy and pharmacotherapy as well as the cultural significances in different countries.SP plays an important role in the genesis and maintenance of many supernatural beliefs such as nocturnal alien abductions,demonic and ghost attacks in individuals with intact reality testing.
