51
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Kawanami S, Murayama F, Ishida Y, Usui Y, Ono S, Tokura S, Kawada I, Kudou N. [Adaptation of dental home care--report number 2: Attempt at a new system of dental home care]. Gan To Kagaku Ryoho 1999; 26 Suppl 2:299-304. [PMID: 10630237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
In the first report we revealed some problems in visiting dental treatment, and concluded that a new dental care system should be constructed for the solution of those problems. Therefore, we started a new system which included dental treatment under hospitalization in our dental hospital. For home patients this system aims at treating, managing smoothly and providing better dental treatment, due to the choice of hospitalization, outpatient care, or home visits in the medical process. In the period from March, 1993, when our dental hospital was established, until December, 1998 treatment was given 1,527 times with 420 patients under this system, and 127 of these patients chose dental treatment under hospitalization. Dental treatment under hospitalization is the management method not found in usual dental treatment, but it is indispensable to our system. When we decide hospitalization, we must make an overall estimate of the patient's general condition, contents of treatment, eating function and nutritional condition, background, and the wishes of the patient and family. In principle, visiting dental treatment is intended for a patient who has finished dental treatment. When treatment is necessary, it should be limited to simple treatment, first aid and maintenance. The oral care of many home patients under the present circumstances is not practiced sufficiently, and cooperation of medical and welfare workers is required to improve such conditions.
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52
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Abstract
We encountered a fatal case of mediastinal fibromatosis in a 67-year-old female in whom there was aggressive infiltration into the large vessels, nerves and pericardium. She presented with the superior vena cava syndrome, Horner's syndrome, paralysis of bilateral vocal cords and diaphragm and heart failure. Mediastinoscopical examination revealed an extremely firm tumor adhering to the sternum, trachea and brachiocephalic artery. She died of severe heart failure due to the disturbed dilatation of the heart and ventilatory insufficiency. Although mediastinal fibromatosis is very uncommon and sometimes difficult to diagnose at an early stage, physicians should be aware of this disease for the differential diagnosis of mediastinal tumors.
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Affiliation(s)
- N Inase
- Pulmonary Medicine, Tokyo Medical and Dental University, Tokyo, Japan
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53
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Misu KI, Hattori N, Nagamatsu M, Ikeda SI, Ando Y, Nakazato M, Takei YI, Hanyu N, Usui Y, Tanaka F, Harada T, Inukai A, Hashizume Y, Sobue G. Late-onset familial amyloid polyneuropathy type I (transthyretin Met30-associated familial amyloid polyneuropathy) unrelated to endemic focus in Japan. Clinicopathological and genetic features. Brain 1999; 122 ( Pt 10):1951-62. [PMID: 10506096 DOI: 10.1093/brain/122.10.1951] [Citation(s) in RCA: 130] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Clinicopathological and genetic features were assessed on 35 Japanese families affected by late-onset familial amyloid polyneuropathy type I (transthyretin Met30-associated familial amyloid polyneuropathy, FAP TTR Met30) whose siblings were unrelated to endemic Japanese foci. In these patients (50 years or older), the most common initial symptom was paraesthesias in the legs. Autonomic symptoms were generally mild and did not seriously affect daily activities. The male-to-female ratio was extremely high (10.7 : 1). A family history was evident in only 11 out of 35 families, and other patients were apparently sporadic. The rate of penetrance was very low. Symptomatic siblings of familial cases showed a late age of onset, male preponderance and clinical features similar to those of the probands. Asymptomatic carriers, predominantly female, were detected relatively late in life. The geographical distribution of these late-onset, FAP TTR Met30 cases was scattered throughout Japan. In three autopsy cases and 20 sural nerve biopsy specimens, neurons in sympathetic and sensory ganglia were relatively preserved. Amyloid deposition was seen in the peripheral nervous system, particularly in the sympathetic ganglia, dorsal root ganglia and proximal nerve trunks such as sciatic nerve. These abnormalities were milder than those seen in typical early-onset FAP TTR Met30, as observed in two Japanese endemic foci of this disease. While axonal degeneration was prominent in myelinated fibres, resulting in severe fibre loss, unmyelinated fibres were relatively preserved. Our cases of late-onset FAP TTR Met30 showed features distinct from those of typical early-onset FAP TTR Met30 that occurred in the two Japanese endemic foci. Factors responsible for clinicopathological differences between these two forms of FAP TTR Met30 need to be identified.
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Affiliation(s)
- K i Misu
- Department of Neurology, Nagoya University School of Medicine, Nagoya, Japan
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54
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Kasai T, Yamashina A, Kubo T, Usui Y, Mori Y. [Detection of culprit lesion in patients with unstable angina pectoris by using ATP thallium-201 myocardial SPECT]. Kaku Igaku 1999; 36:819-26. [PMID: 10586542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
The purpose of this study is to determine the diagnostic accuracy for detection of culprit lesions in patients with unstable angina. Both ATP 201Tl SPECT and coronary angiography were performed in 51 patients with unstable angina pectoris within a week since the last attack. SPECT images were divided into 17 segments and the regional uptakes were scored semiquantitatively (0 = normal to 3 = no activity) and compared with the coronary angiographic findings. ATP 201Tl SPECT revealed decreased uptakes in 54 of 56 culprit lesions. The sensitivity, specificity and accuracy for detection of culprit lesions were 96.4%, 89.5% and 92.4%, respectively. Although adverse effects during ATP administration were complicated in 28 (54.9%) patients, all the complications were mild and resolved within two minutes. ATP 201Tl SPECT is sensitive and reliable method for detecting culprit lesions and can be performed safely even at acute phase in patients with unstable angina pectoris.
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Affiliation(s)
- T Kasai
- Department of Internal Medicine 4, Jikei University School of Medicine
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55
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Abstract
BACKGROUND The causes of sarcoidosis are not known. The DNA of Mycobacterium tuberculosis has been detected in some sarcoid lesions. In Japan, Propionibacterium acnes has been isolated from such lesions, but whether this indigenous bacterium is related to the disease is unclear. We used PCR to estimate the number of genomes of these bacteria in sarcoid lesions, to identify any link between sarcoidosis and these two bacterial species. METHODS We examined formalin-fixed and paraffin-embedded sections of biopsy and surgical samples from lymph nodes of 15 patients with sarcoidosis, 15 patients with tuberculosis, and 15 patients with gastric cancer (controls). Quantitative PCR was done to amplify segments of 16 S ribosomal RNA of P. acnes and P. granulosum and of insertion sequence 6110 of M. tuberculosis. PCR products were identified and the quantities of the products were estimated in terms of the fluorescence of oligonucleotide reporter probes. The numbers of bacterial genomes in samples were estimated from standard curves of serially diluted bacterial DNA. FINDINGS Genomes of M. tuberculosis were found in samples from all 15 patients with tuberculosis, from three patients with sarcoidosis, and in one control sample. Genomes of P. acnes were found in 12 of the 15 patients with sarcoidosis, in two tuberculosis patients, and three controls. The difference in the estimated number of P. acnes genomes between individuals with and without sarcoidosis was similar to that in the number of M. tuberculosis between people with and without tuberculosis. There were 5x10(5) P. acnes genomes in sarcoidosis and 3x10(6) M. tuberculosis genomes in tuberculosis, respectively, on average per microg of total DNA. The three patients with sarcoidosis but without P. acnes all had P. granulosum DNA in their biopsy samples; the number of genomes of the bacterium was 5x10(5). INTERPRETATION These findings suggest that propionibacteria had resided or proliferated ectopically in the sarcoid lesions, whether there was a connection with the disease or not. Propionibacteria are a more likely cause than mycobacteria of sarcoidosis.
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Affiliation(s)
- I Ishige
- Department of Pathology, Faculty of Medicine, Tokyo Medical and Dental University, Japan
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56
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Abstract
The effect of extracellular products obtained from culture supernatant of Staphylococcus aureus strain Cowan I on the bacterial growth was studied in a synthetic medium. Addition of the extracellular products to a fresh medium stimulated growth already after 2 h of incubation, with an approximately two-fold increase in cell density as compared to an unsupplemented medium, probably by promoting an initiation of growth accompanied by a reduction of the initial lag phase. The growth-stimulating effect was also monitored as an increase of adenosine triphosphate (ATP) in the bacterial culture during the different phases of growth.
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Affiliation(s)
- N Sakata
- Department of Legal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan
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57
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Ito Y, Watanabe S, Usui Y, Sahara R, Kitamura S, Matsukawa A. Expression of cytokeratin antigen 20 in perianal Paget's disease. Br J Dermatol 1999; 140:1169-70. [PMID: 10354092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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58
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Funato T, Funato H, Kato A, Matsuoka Y, Shibuya R, Usui Y, Niwa Y. [Terminal home care "Ikigai no Yoake--The real aim of our life"--case report]. Gan To Kagaku Ryoho 1998; 25 Suppl 4:579-84. [PMID: 9884644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
It is difficult to provide home care especially for terminal cancer patients as their physical conditions deteriorate due to the cancer. It is important to enhance the will of home care providers to make this possible. Although a universal method has been worked out, personal and religious beliefs have made it difficult to create an effective method. We would like to introduce our experience in the paper entitled "Ikigai no Yoake" and subtitled "Influence of scientific study of reincarnation on view of life" by Fumihiko Ida of Fukushima University. It has encouraged home care providers and made it possible to provide home care to terminal patients along with benefits.
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Affiliation(s)
- T Funato
- Dept. of Nursing Care, Funato Surgical Clinic
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59
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Shibuya R, Matsuoka Y, Usui Y, Niwa Y, Kato A, Funato T, Funato H. [Benefits and problems of "home care score"--discussion of deviation from home care]. Gan To Kagaku Ryoho 1998; 25 Suppl 4:640-5. [PMID: 9884656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Care ability is the most important factor in providing home care. This ability to care can be classified into family care and community care. The "Home care score" is a system developed through the comprehensive scientific study on long life by the Ministry of Health and Welfare in order to evaluate such care ability. We have scored 71 patients since August 1997 until February 1998, and we found benefits and problems with the system. Here are the benefits: (1) General evaluation can be made on status of patients and home care providers. (2) Comparison of large numbers of patients can be easily made. (3) Helpful to work out practical support. On the other hand, the system has the following problems: (1) Scoring can differ by subjective evaluation. (2) Difficulty to reflect status of disease deterioration and so on. The factors of deviation from home care are: (1) of disease. (2) Loss of desire to provide care. We believe it is important for the home care nurse to intervene so that the will to provide care will not weaken until the end.
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Affiliation(s)
- R Shibuya
- Dept. of Nursing Care, Funato Surgical Clinic
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60
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Nakase M, Usui Y, Alvarez-Nakase AM, Adachi T, Urisu A, Nakamura R, Aoki N, Kitajima K, Matsuda T. Cereal allergens: rice-seed allergens with structural similarity to wheat and barley allergens. Allergy 1998; 53:55-7. [PMID: 9826000 DOI: 10.1111/j.1398-9995.1998.tb04962.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- M Nakase
- Department of Applied Molecular Biosciences, Graduate School of Bioagricultural Sciences, Nagoya University, Japan
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61
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Yazawa K, Ishikawa T, Ichikawa Y, Shin J, Usui Y, Hanafusa T, Fukunishi T, Sakai R, Nagano S, Fujita N, Mizuno K. Positive effects of kidney transplantation on bone mass. Transplant Proc 1998; 30:3031-3. [PMID: 9838336 DOI: 10.1016/s0041-1345(98)00917-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- K Yazawa
- Department of Urology, Kobe University Hospital, Hyogo, Japan
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62
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Aoshima M, Doi M, Usui Y, Tada H, Chonabayashi N, Matsusako M, Watanabe H, Doi O, Uekusa T, Saiki S. [Allergic granulomatous angiitis associated with cerebral infarction, myo-pericarditis and acute respiratory failure due to eosinophilic pneumonia]. Nihon Kokyuki Gakkai Zasshi 1998; 36:978-83. [PMID: 9916484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
Abstract
We encountered a 23-year-old woman with allergic granulomatous angiitis (AGA) associated with cerebral infarction, myo-pericarditis, and acute respiratory failure due to extended eosinophilic pneumonia. She underwent emergency treatment at our hospital because of right hemiparesis and impaired consciousness. AGA was suspected because the patient had a history of bronchial asthma accompanied by pulmonary infiltrations with eosinophilia, and presented with diffuse pulmonary infiltrates, pericardial effusion, diffuse hypokinesis of myocardium, cerebral infarction and marked peripheral eosinophlia. Pulmonary eosinophilia was confirmed by examination of broncho-alveolar lavage fluid. Myocardial tissue biopsy specimens revealed fibrous granulation indicative of myocarditis. The patient responded well to corticosteroid therapy.
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Affiliation(s)
- M Aoshima
- Division of Respirology, St. Luke's International Hospital, Tokyo, Japan
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63
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Usui Y, Aoshima M, Nasu H, Tada H, Chonabayashi N, Matsusako M, Watanabe H, Doi O, Uekusa T, Saiki S. [Marked airway constriction due to relapsing polychondritis]. Nihon Kokyuki Gakkai Zasshi 1998; 36:818-22. [PMID: 9866988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
Abstract
A 40-year-old woman was admitted to our hospital presenting with dry cough, sore throat, and fever. Her right auricle was markedly swollen and her ocular conjunctiva were reddened, suggesting scleritis. A chest computed tomogram showed narrowing of the trachea due to enlarged mediastinal soft tissues. These clinical findings suggested the patient had relapsing polychondritis. A cartilage biopsy from her right auricle was taken to confirm the diagnosis. Pathological findings revealed loosening and dissolution of cartilage and infiltration of lymphocytes, which were consistent with relapsing polychondritis. Although prednisolone was given to the patient, her symptoms were not alleviated. Methylprednisolone pulse therapy and oral diaminodiphenylsulfone were added to the patient's treatment regimen. With this combination, her symptoms gradually subsided. Constriction of the airway has been cited as one of the prognostic factors in relapsing polychondritis. In view of the danger of sudden death caused by airway obstruction, close observation of the patient in this case was considered necessary.
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Affiliation(s)
- Y Usui
- Division of Respirology, St. Luke's International Hospital, Tokyo, Japan
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64
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Ido M, Kawakami N, Shimizu H, Okamoto Y, Usui Y. [Factors affecting active-life orientation among the elderly in a community in Japan and its relationship to social activities]. Nihon Koshu Eisei Zasshi 1997; 44:894-900. [PMID: 9553379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
We surveyed a stratified random sample of 205 person from 45,500 residents, aged 65 years or older, in a city of Japan using an interview schedule including scales of active-life orientation, social activities and other covariates. A total of 157 (77%) participated in the study. The main results were as follows: 1) Significantly higher scores of active-life orientation were observed in those who currently worked, than in those who did not work in males and females (p < 0.05). In males, scores of active-life orientation were significantly higher in those who had hobbies than in those who did not (p < 0.05); in those who traveled during the past year than in those who did not (p < 0.05). 2) In multiple linear regression analysis, PGC scale scores positively and significantly correlated with score of active orientation in males and females (p < 0.05). Age negatively correlated with the scores in males. Scores of affiliation orientation positively correlated with scores of active orientation, and satisfaction with available social support negatively correlated with the scores in females (p < 0.05).
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Affiliation(s)
- M Ido
- Department of Public Health, Gifu University, School of Medicine
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65
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Affiliation(s)
- Y Usui
- Department of Surgery, Tazuke Kofukai Medical Research Institute, Osaka, Japan
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66
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Mawatari K, Mashiko S, Sate Y, Usui Y, Iinuma F, Watanabe M. Determination of disodium cromoglycate in human urine by high-performance liquid chromatography with post-column photoirradiation-fluorescence detection. Analyst 1997; 122:715-7. [PMID: 9330042 DOI: 10.1039/a608152e] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
For the determination of disodium cromoglycate in urine, a fluorimetric method using HPLC post-column photoirradiation has been developed. The mobile phase consisted of a 35 mmol l-1 phosphate buffer (pH 8)-methanol (7 + 3, %v/v) containing 75 mmol l-1 hydrogen peroxide and 20 mmol l-1 18-crown-6. The 18-crown-6 was used for separation adjustment of the disodium cromoglycate in the urine sample. Photoirradiation was carried out in tubing wound around a germicidal light in a reactor equipped with an air-cooling fan. The fluorescence was monitored with excitation at 325 nm and emission at 448 nm. The calibration graph for disodium cromoglycate was linear over the range 38-2340 ng ml-1 using an injection volume of 100 microliters. The pretreatment of the urine samples consisted of diluting and filtering steps. The mean recovery of disodium cromoglycate from urine was 99.1 +/- 2.4% (n = 6).
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Affiliation(s)
- K Mawatari
- Department of Analytical Chemistry, Faculty of Pharmacutical Sciences, Teikyo University, Kanagawa, Japan
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67
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Usui Y, Ohshima Y, Ichiman Y, Ohtomo T, Shimada J. Some biochemical properties of the components of Staphylococcus aureus binding to human platelets. Zentralbl Bakteriol 1997; 286:56-62. [PMID: 9241801 DOI: 10.1016/s0934-8840(97)80075-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The binding properties of Staphylococcus aureus in relation to human platelets were investigated. Protease digestion (pronase E, proteinase K, trypsin), heat treatment (80 degrees C, 30 min), and sonication for 5 min significantly reduced the binding abilities of the staphylococcal cells to 0% (p < .01), 50 +/- 5% (p < .05), and 38 +/- 9% (p < .05), respectively, while mixed glycosidases did not. Inhibition experiments indicated that protein A and various sugars were ineffective. A binding study using biotinylated cell surface fractions extracted from the whole cells of S. aureus indicated that the proteins having apparent molecular weights of 14400 and 16500 estimated by sodium dodecylsulfate-polyacrylamide gel electrophoresis were involved in the binding between S. aureus and human platelets.
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Affiliation(s)
- Y Usui
- Department of Microbiology, St. Marianna University, School of Medicine, Kawasaki, Japan
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68
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Ono K, Ohashi Y, Takagi R, Nakano H, Iida A, Imai N, Kannari Y, Hayatsu M, Usui Y. Application of the furlow method to primary velar closure in two-stage palatoplasty. Int J Oral Maxillofac Surg 1997. [DOI: 10.1016/s0901-5027(97)81250-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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69
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Usui Y, Kohsaka H, Eishi Y, Saito I, Marumo F, Miyasaka N. Shared amino acid motifs in T-cell receptor beta junctional regions of bronchoalveolar T cells in patients with pulmonary sarcoidosis. Am J Respir Crit Care Med 1996; 154:50-6. [PMID: 8680698 DOI: 10.1164/ajrccm.154.1.8680698] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
To clarify the nature of the accumulated lung T cells of pulmonary sarcoidosis, we studied bronchoalveolar and peripheral blood (PB) lymphocytes from Japanese patients for expressed T-cell receptor beta-chain variable (TCR V beta) gene usage. Quantitative polymerase chain reaction technique revealed that the V beta repertoires of bronchoalveolar and PB T cells were heterogeneous. However, the bronchoalveolar lymphocytes from five out of 10 patients showed overrepresentation of T cells, with a few TCR V beta families, which varied among individuals, possibly reflecting a difference in the human leukocyte antigen (HLA) backgrounds. Nucleotide sequence analysis of third complementarity determining region (CDR3) segments in overrepresented V beta families demonstrated limited diversity of the transcripts. Two HLA-DR 12(5)+ individuals with overrepresented V beta 6 gene transcripts in the lungs shared a common amino acid motif within their CDR3. By contrast, non-overrepresented TCR V beta transcripts did not show clonal expansion, and the oligoclonal clones in the lung were not found in PB of the corresponding patient. These results showed that, at least in subsets of Japanese patients with pulmonary sarcoidosis, a limited number of T-cell clones are accumulated in the lung in response to a specific antigen. They may mediate an immune response to shape pathology of the disease.
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Affiliation(s)
- Y Usui
- Second Department of Internal Medicine, Tokyo Medical and Dental University, Japan
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70
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Ohtomo T, Ohshima Y, Usui Y, Ichiman Y, Yanagisawa N, Yokota E, Shimada J. Effect of sub-inhibitory concentrations of clarithromycin and erythromycin on the production of Staphylococcus aureus capsules. J Chemother 1995; 7 Suppl 4:9-11. [PMID: 8904089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- T Ohtomo
- Department of Microbiology, St. Marianna University, School of Medicine, Kawasaki, Japan
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71
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Usui Y, Ohshima Y, Ichiman Y, Ohtomo T, Shimada J. Effects of macrolide antibiotics on bacteria-platelet interactions. J Chemother 1995; 7 Suppl 4:40-2. [PMID: 8904101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Y Usui
- Department of Microbiology, St. Marianna University School of Medicine, Kawasaki, Japan
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72
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Nishiyama C, Fukada M, Usui Y, Iwamoto N, Yuuki T, Okumura Y, Okudaira H. Analysis of the IgE-epitope of Der f 2, a major mite allergen, by in vitro mutagenesis. Mol Immunol 1995; 32:1021-9. [PMID: 8544851 DOI: 10.1016/0161-5890(95)00091-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Der f 2 is a major mite allergen composed of 129 amino acid residues. To determine the major epitopes on Der f 2 recognized by human IgE antibodies, artificial mutations were introduced to Der f 2 protein. The IgE-binding activity of Der f 2 was significantly decreased by deletion of 10 amino acids at the N-terminus or nine amino acids at the C-terminus. Site-directed mutagenesis with a single amino acid replacement by Ala or Leu in both N- and C-terminal regions as well as a central portion was performed to generate 42 single-site mutations. Amino acid replacement around a disulfide bond of Cys8-Cys119 caused a marked decrease in IgE-binding activity. Furthermore, a distinct decrease in IgE-binding was also caused by Ala-substitution close to a disulfide bond of Cys73-Cys78 and by mutations of a few charged residues. From these results, it was concluded that the two disulfide-forming regions of Der f 2 and several charged residues are important for forming major epitope structures recognized by human IgE antibodies.
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Affiliation(s)
- C Nishiyama
- Central Research Laboratories, Asahi Breweries Ltd, Tokyo, Japan
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73
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Usui Y, Iwadare J. [Ectopic anus]. Nihon Rinsho 1994; Suppl 6:765-7. [PMID: 7837630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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74
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Usui Y, Iwadare J. [Intestinal lipoid granuloma]. Nihon Rinsho 1994; Suppl 6:346-8. [PMID: 7837493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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75
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Usui Y, Iwadare J. [Infectious diseases in anus]. Nihon Rinsho 1994; Suppl 6:784-5. [PMID: 7837636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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76
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Ohno T, Takabayashi A, Maki A, Usui Y, Takeuchi K, Kohno S. Complete obstruction of the inferior vena cava due to chronic relapsing pancreatitis: a case report. Nihon Geka Hokan 1994; 63:215-20. [PMID: 7575086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
A woman aged 62 with long history of chronic relapsing pancreatitis presented with swelling and ulcer in the lower limbs and occasional gastrointestinal bleeding. The radiological imaging showed complete obstruction of Inferior Vena Cava (IVC) at the level of the pancreas and well developed collateral vessels. Portal vein and splenic vein were also obstructed and superior mesenteric venous blood drained into the liver via coronary vein. She was originally found to have pancreas head tumor, which was not resectable. A palliative operation was performed, but histological examination of pancreatic specimen suggested only chronic inflammation and no evidence of malignancy. She was diagnosed as tumor-forming type chronic pancreatitis. Although SPV or SMV-PV obstruction has been recognized as a complication of chronic pancreatitis, IVC obstruction can occur by the same mechanism. This is the only case but one ever reported. Not only splenoportography but IVC-graphy will contribute to more precise understanding of patient's condition with chronic pancreatitis.
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Affiliation(s)
- T Ohno
- Kitano Hospital, Tazuke Kohfukai Medical Research Institute Department of Surgery and Radiology, Japan
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77
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Nishiyama C, Yuuki T, Usui Y, Iwamoto N, Okumura Y, Okudaira H. Effects of amino acid variations in recombinant Der fII on its human IgE and mouse IgG recognition. Int Arch Allergy Immunol 1994; 105:62-9. [PMID: 8086830 DOI: 10.1159/000236804] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Amino acid sequencing of the major mite allergen Der fII purified from mite body extract revealed that it is a mixture of at least two variants. Substitutions were found only at positions in which amino acid variations were predicted from the nucleotide sequences of three cloned cDNAs. When cDNAs corresponding to the three variants were expressed in Escherichia coli, Der fII proteins were produced as inclusion bodies. Denaturation and renaturation with urea converted recombinant Der fII into a protein with three intramolecular disulfide bonds (Cys8-Cys119, Cys21-Cys27, and Cys73-Cys78), which were identical to those previously identified in native Der fII. All the variants, including native Der fII, were equally recognized by human IgE antibodies from 14 different sera of mite-allergic patients. These results suggested that recombinant Der fII proteins assumed a conformation identical to that of the native Der fII and that all the Der fII variants acted as allergens. This result also suggested that IgE antibody binds to the region where there were no amino acid variations. The binding ability of the monoclonal antibody (mAb) 18G8 for the variant clones 1, 2, and 11 Der fII was almost the same. However, mAb 15E11 bound to clone 1 Der fII more efficiently than to clones 2 and 11, whereas mAb 13A4 recognized clone 2 Der fII as the most preferable antigen. This suggested that these antibodies recognized the region of amino acid variations. The stability of Der fII variants was analyzed by measuring their IgE antibody binding activity after heating, freezing, or acid treatment, and was analyzed by resistance to trypsin digestion.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- C Nishiyama
- Central Research Laboratories, Ashai Breweries Ltd., Tokyo, Japan
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78
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Okada K, Usui Y, Abe T, Watanabe S, Ishida T, Arihara K, Masuda A, Inatsuchi H, Tanaka M, Hihara T. [Statistic studies on bacteria isolated from urinary tract infections (report 6: isolation rate and drug sensitivity from 1988 through 1989)]. Hinyokika Kiyo 1994; 40:175-85. [PMID: 8128931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
We examined the bacteria isolated from urine of patients in our department from 1988 though 1989. A total of 809 strains were isolated from the outpatients. They were 241 strains of gram-positive bacteria (29.8%). E. coli (32.0%) was isolated most frequently, followed by Enterococcus spp. (9.9%), Proteus group (7.4%), S. epidermidis (6.2%), P. aeruginosa (5.1%) and others. A total of 412 strains were isolated from the inpatients. They consisted of 173 strains of gram-positive bacteria (42.0%). Enterococcus spp. (17.0%) was isolated most frequently, followed by P. aeruginosa (12.6%), S. epidermidis (9.7%), E. coli (7.3%), S. aureus (6.6%) and others. Fewer P. aeruginosa, S. marcescens and Proteus group were isolated from the outpatients and fewer S. marcescens, E. coli and K. pneumoniae from inpatients than previously. More S. aureus were isolated abruptly from the inpatients and more E. coli were isolated from the outpatients than previously. E. cloacae, S. epidermidis, S. aureus and Corynebacterium spp. all isolated from inpatients showed lower antimicrobial sensitivity than those isolated from the outpatients.
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Affiliation(s)
- K Okada
- Department of Urology, Tokai University, School of Medicine
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79
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Usui Y, Iwadare J. [Infectious diseases in anus]. Ryoikibetsu Shokogun Shirizu 1994:784-785. [PMID: 7736208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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80
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Kitano T, Zerwekh JE, Usui Y, Edwards ML, Flicker PL, Mooney V. Biochemical changes associated with the symptomatic human intervertebral disk. Clin Orthop Relat Res 1993:372-7. [PMID: 8339506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Significant changes in disk biochemistry were evident in the nuclei pulposi of 25 symptomatic disks that demonstrated abnormal diskography. Compared with the results from ten normal disk from young subjects (mean age, ten years) and from ten asymptomatic disks from adult patients (mean age, 33 years), the symptomatic disks demonstrated significantly greater collagen content than the young and asymptomatic adult subjects, respectively. Significantly fewer total glycosaminoglycans (GAGs) and significantly less water content were also evident for the diseased disks. The mean pH of the nucleus pulposus from 23 patients was also significantly reduced for the symptomatic disks as compared with the mean pH measured for four asymptomatic adult subjects. Although significantly fewer total GAGs were observed for the symptomatic disks, there were no significant differences in the percent composition of hyaluronic acid (HA), chondroitin sulfate (CS), or keratan sulfate (KS) among the normal and symptomatic disks. Significant changes in disk biochemistry are associated with the symptomatic disk, and these changes could contribute to the development of the painful disk syndrome.
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Affiliation(s)
- T Kitano
- Department of Orthopaedic Surgery, University of Texas Southwestern Medical Center, Dallas 75235-8885
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81
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Usui Y, Kimula Y. [A case of endobronchial minute leiomyoma and literature review of the 66 cases of endotracheal and endobronchial leiomyoma reported in Japan]. Nihon Kyobu Shikkan Gakkai Zasshi 1992; 30:2158-62. [PMID: 1289639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A case of endobronchial minute leiomyoma successfully treated by bronchoscopically directed forceps biopsy is described. A 42-year-old male with a 20 pack-year smoking history was admitted for dry cough occurring at night. Chest X-ray showed no abnormal shadows. The tumor, measuring 2 by 2 mm, was located in the right B7. The clinical characteristics of the 66 cases of endotracheal and endobronchial leiomyoma reported in Japan are also discussed. The male to female ratio of this disease was 2:3. Middle-aged people were most, commonly affected. Usually, obstructive pneumonia or atelectasis, which develops distal to the lesion, causes respiratory symptoms and chest X-ray abnormality. However, 10% of cases were asymptomatic and 30% had a negative chest X-ray. There were 7 cases of endobronchial minute leiomyoma, measuring less than 10 mm in diameter. Of these, three cases had only hemoptysis and had no chest X-ray abnormality. In such cases fiberoptic bronchoscopy is may be the only useful procedure for the diagnosis of this disease.
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Affiliation(s)
- Y Usui
- Department of Internal Medicine, Hiratsuka Kyosai Hospital, Kanagawa, Japan
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82
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Abstract
The metabolic basis for the high vitamin K requirement of chicks compared with rats was investigated. When chicks and rats were fed the same diet, containing 500 micrograms phylloquinone/kg, the total amounts of phylloquinone and its epoxide metabolite found in the liver and plasma were similar in both species. However, phylloquinone 2,3-epoxide was present in high concentrations in chick liver and serum but not in rat liver and serum. This metabolite of the vitamin is normally reduced by a hepatic vitamin K epoxide reductase. The activity of this enzyme in chicks was approximately 10% of that in rats, and the inability of chicks to effectively recycle the epoxide of vitamin K seems to be the major factor in its high requirement. Other species differences in vitamin K metabolism were observed. Much higher concentrations of bacterial menaquinones were present in rat feces compared with chick feces, but neither species had appreciable hepatic concentrations of menaquinones. Chicks, but not rats, were found to have a liver concentration of menaquinone-4 that exceeded that of phylloquinone. This vitamer was present even when its recognized precursor, menadione, was not present in the diet, and the data indicate that chicks convert phylloquinone to menaquinone-4 under the conditions of these experiments. The mechanism of this conversion was not established.
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Affiliation(s)
- B H Will
- Department of Biochemistry, College of Agricultural and Life Sciences, University of Wisconsin-Madison 53706
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83
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Abstract
When nasotracheal intubation with a fiberoptic bronchoscope is performed, the tube may be blocked in the nasal cavity or larynx, resulting in several complications including epistaxis and hoarseness. We review the causes and complications of tube blockage and discuss optimal techniques for minimizing it.
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Affiliation(s)
- M Nakayama
- Department of Internal Medicine, Yokosuka Kyosai Hospital, Japan
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84
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Abstract
A case of hypersensitivity pneumonitis (HP) induced by hexamethylene diisocyanate (HDI) is described. Serial determinations of the lymphocyte surface phenotypes by two-color assay revealed the following: 1) increased activated cytotoxic T lymphocytes in the bronchoalveolar lavage fluid (BALF), and 2) increased percentage and absolute number of non-major histocompatibility complex (MHC)-restricted natural killer (NK) cells in the peripheral blood (PB) during the recovery phase of the disease. These findings were considered to be related to the activity of the disease.
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Affiliation(s)
- Y Usui
- Department of Internal Medicine, Yokosuka Kyosai Hospital, Japan
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85
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Abstract
A case of hepatocellular carcinoma producing carcinoembryonic antigen and carbohydrate antigen 19-9 is reported. The serum level of carcinoembryonic antigen was 26,800 ng/ml and carbohydrate antigen 19-9, 5,500 U/ml on the final day. Immunohistochemical study revealed positive monoclonal antibodies for these two antigens within the cytoplasm of the hepatocellular carcinoma cells.
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Affiliation(s)
- Y Usui
- Department of Internal Medicine, Yokosuka Kyosai Hospital, Japan
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86
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Uemura A, Morimoto S, Hiramitsu S, Yamada K, Kubo N, Kimura K, Chikamatsu H, Hisida H, Usui Y, Mizuno Y. [A case of brain stem encephalitis complicated with bifascicular block caused by rubella virus]. Kokyu To Junkan 1992; 40:499-503. [PMID: 1589651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We reported a case of a 29-year-old man who had been in good health until contracting brain stem encephalitis due to a rubella virus 5 years previously, at which time the ECG revealed complete right bundle branch block and right axis deviation. An ECG obtained 6 months earlier had been within normal limits. Since yearly health checkups continued to show the same abnormalities, the patient was admitted for closer examination. At the time of admission, physical findings and blood tests revealed no abnormalities. No cardiomegaly nor pulmonary congestion was observed on chest X-rays either at the time of the original illness or at this time. An endomyocardial biopsy specimen obtained from the right ventricle revealed size variation of cardiac myocytes, moderate disarrangement, and mild myocardial interstitial fibrosis, indicative of post-myocarditic changes. The above findings suggest that bifascicular block (right bundle branch and posterior fascicle) appeared at the time of the rubella virus infection, in the pathogenesis of which the involvement of myocarditis was strongly suspected. Some patients developing myocarditis do not manifest cardiac symptoms such as heart failure. In these cases, conduction disturbances are the sole sequelae. To differentiate pathogenesis in such cases, endomyocardial biopsy was thought to be of value.
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Affiliation(s)
- A Uemura
- Department of Internal Medicine, Fujita Health University School of Medicine
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87
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Usui Y, Takayama S, Nakayama M, Miura H, Kimula Y. Interstitial lattice shadow and mediastinal lymphadenopathy with an elevation of carcinoembryonic antigen in severe pulmonary alveolar proteinosis. Intern Med 1992; 31:422-5. [PMID: 1611200 DOI: 10.2169/internalmedicine.31.422] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
A case of severe pulmonary alveolar proteinosis (PAP) with interstitial involvement, mediastinal lymphadenopathy and an elevation of carcinoembryonic antigen (CEA) in the bronchoalveolar lavage (BAL) fluid and the serum is presented. Alveolar macrophages may play a major role in these rare and seemingly unrelated findings.
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Affiliation(s)
- Y Usui
- Department of Internal Medicine, Yokosuka Kyosai Hospital, Japan
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88
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Patel M, Kaplan A, Sauvage LR, Wu HD, Kaplan S, Usui Y, Walker MW. Comparative evaluation of the elasticity and flexibility of bioimpregnated knitted grafts. Ann Vasc Surg 1992; 6:127-33. [PMID: 1534680 DOI: 10.1007/bf02042732] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Longitudinal elasticities of whole human blood clot, whole canine blood clot, Factor XIII cross-linked fibrin, glutaraldehyde-fixed human albumin, and formaldehyde-fixed collagen, gelatin and collagen/gelatin were determined and normalized to human whole blood clot. Matrices of a knitted Dacron graft were then impregnated with albumin, collagen, and collagen/gelatin and their longitudinal elasticities were determined and normalized to a preclotted graft. Comparisons were also made for the longitudinal elasticities of a virgin graft, a manipulated control for a preclotted graft, and a manipulated control for the matrix-impregnated grafts. Flexibilities were then calculated based on the weights and elasticities of these grafts and normalized to the flexibility of the preclotted graft. Fibrin had twice and 39 times more longitudinal elasticity than human blood clot and collagen, respectively. The preclotted graft has longitudinal elastic properties similar to a virgin graft, and is 2.8, 2, and 1.4 times more elastic than the albumin, collagen and collagen/gelatin grafts, respectively. The preclotted graft was 2.5, 2, and 1.4 times more flexible than the albumin, collagen and collagen/gelatin grafts, respectively.
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Affiliation(s)
- M Patel
- Hope Heart Institute, Providence Medical Center, Seattle, Washington 98122
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89
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Usui Y, Aida H, Kimula Y, Miura H, Aoyagi Y, Nakayama M, Takayama S. A case of cyclophosphamide-induced interstitial pneumonitis diagnosed by bronchoalveolar lavage. Respiration 1992; 59:125-8. [PMID: 1620983 DOI: 10.1159/000196042] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
A successfully treated case of cyclophosphamide pneumonitis, which developed during treatment for a leukemic phase of B-cell non-Hodgkin's lymphoma, is documented. Subtyping of lymphocytes in the peripheral blood and the bronchoalveolar lavage fluid easily excluded a possible diagnosis of pulmonary involvement of lymphoma. Bronchoalveolar lavage is a useful approach to determine the correct etiology of pneumonitis.
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Affiliation(s)
- Y Usui
- Department of Internal Medicine, Yokosuka Kyosai Hospital, Kanagawa, Japan
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90
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Usui Y, Takayama S, Nakayama M, Miura H, Kimula Y. Case report of desquamative interstitial pneumonia: documentation of preserved pulmonary function after twelve clinical relapses. Respiration 1992; 59:112-5. [PMID: 1620979 DOI: 10.1159/000196038] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
We describe a case of desquamative interstitial pneumonia diagnosed in a 25-year-old woman who relapsed 12 times during a 20-year follow-up period. In each relapse, the involved sites were different and the patient ultimately recovered without resultant pulmonary ventilatory defects. Bronchoalveolar lavage performed during the 12th relapse revealed a remarkable increase in the number of total cells and showed a low CD4+/CD8+ ratio in the lymphocyte subset.
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Affiliation(s)
- Y Usui
- Department of Internal Medicine, Yokosuka Kyosai Hospital, Kanagawa, Japan
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91
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Masuda A, Usui Y, Watanabe S, Ishida T, Arihara K, Inatsuchi H, Tanaka M, Hihara T, Hoshino H, Nakajima N. [Clinical statistics on operations for inpatients at Department of Urology, Tokai University Hospital 1975-1989]. Hinyokika Kiyo 1992; 38:99-107. [PMID: 1546580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Operations on inpatients during the 15-year period from 1975 to 1989 were analyzed statistically. A total of 3,791 operations were performed at our Department of Urology, including 717 operations on the kidney, 316 operations on the ureter, 583 operations on the bladder, 811 operations on the prostate, 136 operations on the urethra, 1,097 operations on the scrotum, 43 operations on the adrenal gland, 19 operations on the retroperitoneal space and 69 operations on other organs.
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Affiliation(s)
- A Masuda
- Department of Urology, School of Medicine, Tokai University
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92
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Usui Y, Kimula Y, Miura H, Kodaira Y, Takayama S, Nakayama M, Kataoka N. A case of bronchiolitis obliterans organizing pneumonia associated with primary Sjögren's syndrome who died of superimposed diffuse alveolar damage. Respiration 1992; 59:122-4. [PMID: 1620982 DOI: 10.1159/000196041] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Bronchiolitis obliterans organizing pneumonia (BOOP) developed in association with primary Sjögren's syndrome in a 69-year-old female. She died of diffuse alveolar damage superimposed on BOOP in spite of corticosteroid therapy.
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Affiliation(s)
- Y Usui
- Department of Internal Medicine, Yokosuka Kyosai Hospital, Kanagawa, Japan
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93
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Abstract
The platelet aggregation capability of whole cells of Enterococcus faecalis, E. faecium and E. avium was tested. The optimum ratios of bacteria to platelets in E. faecalis (strain SMU-37), E. faecium (strain SMU-138) and E. avium (strain SMU-197) were 1.0, 1.2 and 2.0, respectively. During the platelet aggregation induced by the three strains of enterococci, 65-69% of total serotonin was released. The aggregation was totally inhibited by ethylenediaminetetraacetate (10 mM) and apyrase (1 mg/ml), while no effect was shown by aspirin (10 mM), indomethacin (10 mM) and quinacrine (1 mM). By pretreatment of platelet-poor plasma with heat (56 C, 30 min) or zymosan, the reactivities with platelets of each strain of species were markedly diminished. These results suggest that enterococci-induced platelet aggregation was an ion-dependent, cyclooxygenase-insensitive event, and plasma component(s) was (were) required for the reaction.
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Affiliation(s)
- Y Usui
- Department of Microbiology, St. Marianna University School of Medicine, Kanagawa, Japan
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94
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Abstract
Many techniques for cleft lip repair have been reported, but these techniques do not consider the contour lines of the upper lip and, in fact, destroy them. The upper lip has complicated contour lines including the vermilion free margin, vermilion border, upper lip horizontal groove (upper lip groove), philtrum (dimple and columns), nostril sills, and nasolabial grooves. Incision lines should be designed so that the postoperative scars do not cross these contour lines. We feel that our incision lines and postoperative scars provide better aesthetic results and diminish hypertrophic scar formation.
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Affiliation(s)
- T Onizuka
- Department of Plastic and Reconstructive Surgery, School of Medicine, Showa University, Tokyo, Japan
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95
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Mizuno K, Usui Y, Kohyama K, Hirohata K. Familial congenital unilateral anterior dislocation of the radial head: differentiation from traumatic dislocation by means of arthrography. A case report. J Bone Joint Surg Am 1991; 73:1086-90. [PMID: 1874773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- K Mizuno
- Department of Orthopaedic Surgery, Kobe University School of Medicine, Japan
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96
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Abstract
Six chemical agents were evaluated for their efficacy in preventing epidural scar formation following laminectomy in rabbits. One agent was carboxymethylcellulose and the other five agents represented various compositions of modified carboxymethylcellulose. Four weeks after laminectomy, spines were harvested and decalcified, and transverse sections were prepared for histologic analysis. Subjective evaluation suggested that two agents appeared to inhibit epidural scar formation compared with the untreated controls. Objective evaluation was performed by quantitating scar tissue area at the laminectomy site with a digitizing tablet. In agreement with the subjective evaluation, two agents were found to have significantly reduced epidural scar tissue area compared with the control (control = 0.418 +/- 0.16 SE mm2vs. Agent 2 = 0.067 +/- 0.02 [P less than 0.05] and Agent 5 = 0.089 +/- 0.02 [P less than 0.05]). Of the remaining four agents, one of which was the unmodified carboxymethylcellulose, none showed significant reduction in scar tissue formation. These findings indicate that viscous preparations of modified carboxymethylcellulose can act as a barrier against epidural scar formation following laminectomy.
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Affiliation(s)
- T Kitano
- Department of Orthopaedic Surgery, University of Texas South Western Medical Center, Dallas, Texas
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97
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Abstract
Microform cleft lip is a mild expression of cleft lip and may be difficult to repair. Its severity may be defined by the degree of downward depression of the nostril rim, skin striae of the upper lip, notching of Cupid's bow, and deformity of the vermilion border. Variation in surgical repair is reported for each type of microform cleft lip.
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Affiliation(s)
- T Onizuka
- Department of Plastic and Reconstructive Surgery, Showa University School of Medicine, Tokyo, Japan
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98
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Ichiman Y, Usui Y, Suganuma M, Yoshida K. Monoclonal IgM antibody protection in mice against infection with an encapsulated strain of Staphylococcus epidermidis. Can J Microbiol 1991; 37:404-7. [PMID: 1715230 DOI: 10.1139/m91-065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Passive protective activities of three different classes of monoclonal antibodies in mice against challenge with strain ATCC 31432 (capsular type I) of Staphylococcus epidermidis were examined. Monoclonal IgM antibody passively protected mice against challenge with the homologous strain, whereas monoclonal IgG1 and IgG2b antibodies did not. The protective activity of IgM was absorbed by the cell surface antigen extracted from the homologous strain but not by the antigen from heterologous strains. Rapid reduction of viable cells took place in the peritoneal cavity of mice immunized with monoclonal IgM as early as 6 h after the challenge with the homologous strain. An enzyme-linked immunosorbent inhibition assay showed there was remarkable inhibition with the homologous cell surface antigen but not with heterologous preparations from other strains. Results suggest that in the mouse the major passive protection against the S. epidermidis strain is provided by the IgM antibody to the cell surface antigen.
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Affiliation(s)
- Y Ichiman
- Department of Microbiology, St. Marianna University School of Medicine, Kawasaki, Japan
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99
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Totsuka Y, Usui Y, Tei K, Kida M, Mizukoshi T, Notani K, Fukuda H. Results of surgical treatment for squamous carcinoma of the lower alveolus: segmental vs. marginal resection. Head Neck 1991; 13:114-20. [PMID: 2022475 DOI: 10.1002/hed.2880130206] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
The records of 53 patients treated surgically for squamous cell carcinoma of the lower alveolar ridge were reviewed and the results of segmental and marginal resections of the mandible were compared. Analysis of these 2 treatment modalities disclosed that marginal resection was effective in controlling lower gingival cancers, with and without apparent bone involvement, if erosive bone defects that did not extend beyond the inferior alveolar canal, or invasive bone defects confined to a superficial area of the alveolar bone, were detected radiologically.
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Affiliation(s)
- Y Totsuka
- First Department of Oral Surgery, School of Dentistry, Hokkaido University, Sapporo, Japan
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100
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Usui Y, Sasaki S, Hirai R, Kishi A. Sigmoid colon obstruction due to blunt abdominal trauma: a case report. Acta Med Okayama 1991; 45:61-6. [PMID: 2063697 DOI: 10.18926/amo/32217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Post-traumatic colonic stenosis (obstruction) is rare. We experienced a case of sigmoid obstruction due to blunt abdominal trauma. A 75-year-old man was hit on the lower abdomen 3 days before admission and gradually developed abdominal pain and distension. Laboratory data showed severe inflammation and a barium enema disclosed obstruction of the sigmoid colon. Conservative treatment was carefully carried out, because there was no sign of peritoneal irritation and there were passages of normal stool and flatus. The sigmoid obstruction gradually improved and the stenosis was almost undetectable on a barium enema on the 51st hospital day. An abdominal contusion is the most likely causal factor in this case. Compression of the sigmoid colon between the abdominal wall and the promontory of the pelvis is the most possible explanation.
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Affiliation(s)
- Y Usui
- Division of Surgery, National Okayama Hospital, Japan
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