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We report a case series involving 4 patients with chronic obstructive pulmonary disease who were on an appropriate medical regimen including a high dose of inhaled corticosteroids (ICS). During bronchoscopy, patients were found to have an excessive dynamic collapse of the posterior wall and its
A general method is proposed for smoothing torsional potentials when the dihedral angle becomes undefined.
Currently, there are no quantitative studies of smooth pursuit, a behavior attributed to the fovea, in individuals with macular degeneration (MD). We hypothesize that pursuit in MD patients depends on the relative positions of the scotoma and target trajectory. We tested this hypothesis with a
Smooth muscle cells of the mouse vas deferens fixed with 5% glutaraldehyde contained three types of filaments, namely, thin (50-80) A) filaments, intermediate (100 A) filaments and thick (120-180 A) filments. However, in 2 out of 16 experiments, under identical conditions, the cells did not contain
Penile erection is a vascular phenomenon that results from smooth muscle relaxation, arterial dilation and venous restriction. The atherosclerosis of the penis that occurs with aging causes a decrease in penile oxygen tension. A reduction of smooth muscle cells has been demonstrated in relation with
It is generally believed that pursuit eye movements are unaffected by cerebellar cortical atrophy or cerebellectomy. The present study was performed on patients who underwent partial vermis and hemisphere ablations as a result of severe cranial injury or cerebellar tumors. Eye movements were
Recent investigations, using DNA technology, of the molecular biology of smooth muscle tumours of the uterus have confirmed their monoclonality and have strengthened the view that oestrogen and oestrogen receptors play a major role in the pathogenesis of fibromyomata. In addition, increasing
Spinal muscular atrophy (SMA) is an autosomal recessive genetic disorder characterized by loss of motor neurons in the ventral horn of the spinal cord. Clinical features such as progressively lethal respiratory weakness and associated muscle wasting have been extensively studied but less attention
Intramuscular varicose axons of the guinea-pig vas deferens were studied by electron microscopy after surgical and chemical denervation. The intervaricose segments disappear, and the varicosities become disconnected, spherical in shape and either swollen or more electron-dense. Other varicosities,
Dr. Patrick Walsh's description of nerve-sparing prostatectomy was an important landmark in the surgical treatment of prostate cancer. Despite the dramatic improvement in postoperative potency rates, anecdotal reports of penile size loss were increasingly reported by patients. Experimental studies
Smooth pursuit eye movements were quantitatively assessed in 25 normal subjects and 22 patients. A laboratory digital computer was used to compute 200 eye velocity samples per second and to statistically compare these eye velocity measurements for five different object velocities. Of six statistics