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  • SAGE Publications  (3)
  • 1995-1999  (3)
  • 1
    Online Resource
    Online Resource
    Renal Osteodystrophy in Pre-Dialysis Patients: Ethnic Difference?
    SAGE Publications ; 1999
    In:  Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis Vol. 19, No. 2_suppl ( 1999-02), p. 402-407
    Details
    In: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis, SAGE Publications, Vol. 19, No. 2_suppl ( 1999-02), p. 402-407
    Abstract: The purpose of the present study is to investigate whether an ethnic difference exists in the incidence of renal osteodystrophy between Asian and Western countries in end-stage renal disease (ESRD) patients. We evaluated bone histology in 58 pre-dialysis patients (28 male, 30 female; mean age: 47.7 years). All patients had bone biopsies with quantitative histomorphometry and sero-logical parameters such as intact PTH, osteocalcin, total alkaline phosphatase, and basal and deferoxamine-stimulated serum aluminum levels. We observed that 91.4% of all evaluated patients showed renal osteodystrophy before the start of dialytic therapy. Mild osteitis fibrosa were observed in 21 patients (36.2%), severe osteitis fibrosa in 5 patients (8.6%), mixed lesions in 7 patients (12.1 %), osteomalacia in 6 patients (10.3%), aplastic bone disease in 14 patients (24.1%), and normal bone in 5 patients (8.6%). Among the bone histomorphometric parameters, fibrosis area rate (%) showed the best correlation with intact PTH, and osteocalcin and osteoid area rate (%) with total alkaline phosphatase. Aluminum-related bone disease was not observed. Among patients with aplastic bone disease, only 14.3% showed aluminum deposition of any significance (5% 〈 stainable bone surface aluminum 〈 25%). In the diabetic patients, aplastic bone disease was most common, but no case was related to aluminum intoxication. In conclusion, the distribution of renal osteodystrophy in our study was different from that of Western countries in pre-dialysis patients. Our patients tended to have more mild-form osteitis fibrosa and normal findings, and less severe-form osteitis fibrosa and aplastic bone disease. Aluminum-related bone disease was not observed.
    Type of Medium: Online Resource
    ISSN: 0896-8608 , 1718-4304
    URL: Article
    DOI: 10.1177/089686089901902S65
    Language: English
    Publisher: SAGE Publications
    Publication Date: 1999
    detail.hit.zdb_id: 2075957-5
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  • 2
    Online Resource
    Online Resource
    Penetration Difference of n-Butyl 2-Cyanoacrylate into the Nidus in the Embolisation of Brain Arteriovenous Malformation
    SAGE Publications ; 1998
    In:  Interventional Neuroradiology Vol. 4, No. 1 ( 1998-03), p. 63-74
    Details
    In: Interventional Neuroradiology, SAGE Publications, Vol. 4, No. 1 ( 1998-03), p. 63-74
    Abstract: Prediction of nidal penetration of the glue is difficult in the embolisation of brain arteriovenous malformations (AVM). We evaluated penetration differences of glue-lipiodol mixtures with and without tungsten powder for embolisation of brain AVM. Fifty eight injections during embolisation of brain AVM in 15 patients were evaluated. Glue contained lipiodol only (N=25), or lipiodol and tungsten powder (N=33). Glue concentration ranged from 20 to 80%. Injection was done at the pedicle (N=41) or nidus (N=17). Degree of penetration was rated as good, fair, or poor according to penetrated glue amount in the nidus. Penetration difference was compared in each injection at the pedicle or nidus. When the glue mixtures were injected at the pedicle, the glue-lipiodol mixture (GLM) penetrated into the nidus in eight of 16 injections (50%) and the glue-lipiodol-tungsten mixtures (GLTM) in 23 of 25 (92%). When glue was injected at the nidus, GLM was confined to the nidus in nine of nine injections (100%) and GLTM in seven of eight (88%). Penetration into the vein was noted in two of 25 injections (8%) in GLM and six of 33 (18%) in GLTM. Penetration difference into the nidus between GLM and GLTM was statistically significant (p 〈 0.05) when the glue mixtures were injected at the pedicle. GLM and GLTM can be used effectively at the nidus. In contrast to GLM, GLTM can be used effectively at the pedicle. However, the risk of venous penetration seemed to be higher with GLTM than in GLM.
    Type of Medium: Online Resource
    ISSN: 1591-0199 , 2385-2011
    URL: Article
    DOI: 10.1177/159101999800400108
    Language: English
    Publisher: SAGE Publications
    Publication Date: 1998
    detail.hit.zdb_id: 2571161-1
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  • 3
    Online Resource
    Online Resource
    B-mode Ultrasound Imaging in Symptomatic Internal Carotid Artery Stenosis: Correlation with Clinical and Operative Findings
    SAGE Publications ; 1999
    In:  Vascular Surgery Vol. 33, No. 6 ( 1999-11), p. 611-616
    Details
    In: Vascular Surgery, SAGE Publications, Vol. 33, No. 6 ( 1999-11), p. 611-616
    Abstract: B-mode ultrasound (duplex) imaging is a technique that enables the evaluation of plaque characteristics. The purpose of this study was to determine the accuracy and usefulness of duplex imaging by comparing a relationship between the preoperative clinical neurologic status, preoperative duplex findings, and operative findings in patients who had carotid endarterectomy (CEA) for symptomatic high-grade internal carotid artery (ICA) stenosis. Sixty patients with symptomatic ICA stenosis who underwent CEA from September 1995 to August 1998 were included in this study. Plaque morphology was categorized in terms of echogenicity by preoperative duplex imaging. A correlation between the frequency of preoperative ischemic stroke and duplex and operative findings was prospectively evaluated. Thirty-eight patients had recent and multiple cerebral ischemia, and 22 experienced a single episode more than 1 month before CEA. Recent and multiple events occurred in 24 (72.7%) of 33 patients with echolucent plaques, but only 6 (40.0%) of 15 with echogenic plaques (p 〈 0.05). Thirty-six (75%) of 48 patients with soft plaques by operative findings had recent and multiple events, but only two (16.7%) of 12 with calcified plaques experienced recent and multiple events (p 〈 0.01). Overall sensitivity, specificity, and accuracy of duplex imaging were 79.5%, 77.8%, and 79.2%, respectively. Duplex imaging is reliable in determining ICA plaque characteristics. Recent and multiple cerebral ischemia occurred more frequently in patients with echolucent plaques by preoperative duplex and soft plaques by operative findings. The presence of echolucent plaque may be used as a strong indication for CEA in patients who have asymptomatic high-grade ICA stenosis.
    Type of Medium: Online Resource
    ISSN: 0042-2835
    URL: Article
    DOI: 10.1177/153857449903300605
    Language: English
    Publisher: SAGE Publications
    Publication Date: 1999
    detail.hit.zdb_id: 2095223-5
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