Biomedical subjects
Publications and source records attributed to Y Tagami.
We have developed a new system to measure glare disability spatially and quantitatively using an Octopus 500E automated perimeter with an attached glare source. We describe the method used for measuring glare disability with this system and the results in cataracts and pseudophakia with and without various postoperative complications.
Thirty-eight cataract eyes and 15 artificial aphakic or pseudophakic eyes were enrolled in this study to determine levels of human epidermal growth factor (hEGF) and basic fibroblast growth factor (bFGF) in human aqueous, using a radioimmunoassay. Neither hEGF nor bFGF were detected in either congenital cataract eyes or senile cataract eyes without any complication. In cases of senile cataract complicated with glaucoma and traumatic cataract, bFGF range from 0.4 to 0.8 ng/ml whereas hEGF was not detected. In cases of senile cataract with myocardial or brain infarction and anterior subcapsular cataract, bFGF was detected ranging from 0.4 to 1.0 ng/ml and in some of the cases hEGF was detected at a level of 1.0 ng/ml. hEGF was detected at 1.0 ng/ml in some cases of secondary cataract after uveitis, cataract complicated with retinal detachment, cataract after scleral buckling or vitrectomy, and aphakic or pseudophakic eyes after extracapsular cataract extraction or phacoemulsification. These results showed that hEGF and bFGF exist at a level of about 1 ng/ml in human aqueous in some pathological states and it seems possible that proliferation of lens epithelial cells is promoted by the growth factors, with the result that after cataract, anterior capsular opacities and shrinkage become severe.
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A case of tuberculosis of the tongue in a 59-year-old woman with active pulmonary tuberculosis is described. The lingual tuberculosis was considered to be a secondary infection from the pulmonary disease, but the oral lesions were, in fact, noticed prior to recognition of the pulmonary lesion. This case was marked by a multiplicity or oral lesions arising on the bilateral surfaces of the tongue. Immunologic investigation revealed that cell-mediated immune responses in the patient were within the normal range in terms of the PPD skin test, DNCB skin test, lymphocyte transformation test, and subpopulation of the peripheral blood lymphocytes. Rosette-forming assay on the frozen sections disclosed that T-lymphocytes and macrophages were predominant in the lymphoid cells infiltrating the tuberculous lesion.
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A follow-up study on pacemaker function in 15 patients with implanted cardiac pacemaker has been performed by telephone transmission. The transmitting set consisting of electrocardiograph, pacemaker pulse modulator and acoustic coupler was manipulated by the patients themselves. ECG, pacemaker pulse, and pulse rate were simultaneously transmitted through 1 channel to the receiver in our clinic. Of 56 patients with pacemaker, 15 patients were surveyed by telephone transmission. In these patients battery exhaustion was detected in 3, competition in 2, and lead fracture in 1. The fact that surveillance and follow-up of the patients with implanted cardiac pacemaker could be carried out by telephone transmission as well as by clinic visitation tells us that the telephone transmission is a useful method and plays an important role in a pacemaker clinic. Moreover our study established its further usefulness in the patient's preference due to difficulties in travelling to the pacemaker clinic and in reducing patient's anxiety.
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