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21.
Christopher J. Holmgren Esmonde F. Corbet L. P. Lim 《Community dentistry and oral epidemiology》1994,22(5):396-402
Abstract The aim of this study was to describe the periodontal conditions in 372 35–44-yr-old and 537 noninstitutionalized 65–74-yr-old Hong Kong Chinese who were examined clinically for loss of attachment, recession, probing depth, calculus, and bleeding after probing. Community Periodontal Index (CPI) data and treatment need indications were compiled from index teeth or their substitutes. The prevalence of loss of attachment varied considerably in both cohorts according to the definition of the threshold (≥6, ≥9, and ≥12 mm, respectively). The mean numbers of teeth with loss of attachment at the ≥6-mm threshold and at higher thresholds were small. In both age cohorts, about one-fifth of subjects had probing depths ≥6-mm, while al the ≥9-mm threshold only 2–3% were so affected. Although recession was an important component of loss of attachment in the younger cohort, in the older cohort the prevalence and extent of recession were greater than for probing depths at thresholds ≥4 mm. All subjects had one or more teeth with calculus, bleeding, or both, most teeth being so affected. Eighty-four of the 537 65–74-yr-old subjects were excluded either because of edentulousness or because extractions indicated for the remaining teeth would have rendered the subjects edentulous. The distribution of subjects according to their highest CPI score was remarkably similar for the two cohorts. No subjects in either age group were assessed as “healthy” (CPI code 0) or had “bleeding only” (code 1) as their highest score. While most subjects scored CPI code 2 or 3 us their highest score, only 17% of the younger and 15% of the older cohort scored Community Periodontal Index of Treatment Needs (CPITN) code 4. Differences in the mean number of sextants affected by CPI codes between the two cohorts were mainly due to a greater number of excluded sextants in the older cohort. CPI findings for 35–44-yr-olds differed little from those reported in 1984. 相似文献
22.
汪国翠 《安徽卫生职业技术学院学报》2003,2(5):83-84
根据笔者在传染科病房工作中的体会,从六个方面针对传染科工作的特殊性和存在的共性分别阐述了传染科护士在工作中如何高标准、严要求自己,如何对病人做到到位的护理,旨在提高传染科病房的整体护理质量,从而把更多的实惠让利于患者。 相似文献
23.
William V. Giannobile Rafaél A Hernandez Richard D. Finkelman Susan Ryarr Christopher P. Kiritsy Mark D'Andrea Samuel E. Lynch 《Journal of periodontal research》1996,31(5):301-312
Platelet-derived growth factor (PDGF) and insulin-like growth factor I (IGF-I) in combination have previously been shown to enhance periodontal regeneration. The objective of this study was to further characterize the biological effects of this combination of growth factors in non-human primates and compare the effects to those of each growth factor individually. Ligature-induced periodontitis was initiated in 10 cynomolgus monkeys. After periodontal lesions were established, surgery was performed, and either a methylcellulose gel vehicle or vehicle containing 10 μg each of either PDGF-BB, IGF-I or both PDGF-BB and IGF-I was applied to exposed root surfaces. Biopsies were taken 4 and 12 wk after treatment and the extent of periodontal regeneration was assessed by histomorphometry. At both 4 and 12 wk vehicle-treated lesions generally revealed minimal osseous defect fill (ODF) (8.5±2.1% and 14.5±5.7%, respectively) and new attachment (NA) (34.1±5.2% and 26.6±10.5%, respectively). IGF-I treatment did not significantly alter healing compared to vehicle in any parameter at both 4 and 12 wk. PDGFBB-treated sites exhibited significant (p<0.05) regeneration of NA (69.6±12.0%) at 12 wk; trends for PDGF-BB treatment effect were also observed in other parameters at 4 and 12 wk. although these increases were not statistically significant. Treatment with PDGF-BB/IGF-I resulted in 21.6±5.1 % and 42.5±8.3% ODF at 4 and 12 wk, respectively, and 64.1±7.7% and 74.6±7.4% NA at 4 and 12 wk, respectively (all significantly greater than vehicle, p<0.05). The results from this study demonstrated that: 1) IGF-1 alone at the dose tested did not significantly alter periodontal wound healing; 2) PDGF-BB alone significantly stimulated NA, with trends of effect on other parameters; and 3) the PDGF-BB/IGF-I combination resulted in significant increases in NA and ODF above vehicle at both 4 and 12 wk. 相似文献
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26.
中西医结合要为妇女生殖健康创新页 总被引:7,自引:1,他引:6
45年来,复旦大学妇产科医院在中西医结合临床及科研方面取得了可喜的成就.针刺促排卵的研究,通过观察血雌激素和中枢β-内啡肽(β-EP)的关系,提出了针刺通过耗竭中枢β-EP而促排卵的新认识,认为针刺促排卵的主要适应症是青春期月经失调,并将针刺成功地应用于治疗神经性厌食;补肾化痰的俞氏温补方治疗多囊卵巢综合征(polycystic ovary syndrome, PCOS)被证实是通过提高血促卵泡激素(follicle stimulating hormone, FSH)并诱发排卵而起作用;益肾化瘀的天癸方是通过降低患者及动物模型的雄激素和胰岛素,引起以中枢阿片促黑激素皮质素原、神经肽Y和瘦素受体为主的神经-内分泌-代谢网络调节而发挥促排卵和减肥作用,对高胰岛素型PCOS有良效,并在研究中提出了对PCOS分类的新设想;益肾清火的更年春通过提高中枢与周围组织的雌激素受体及其mRNA表达来调节围绝经期妇女的神经-内分泌-免疫-代谢网络而获优越疗效.这些研究表明,疾病是外环境影响下患者生命网络的某些主脉失调所致,而且亚健康状态的妇女具有初步网络失控的现象,中西医结合将为女性生殖医学研究找到捷径,调控生命网络是防病治病的主要思路. 相似文献
27.
多层螺旋CT尿路造影在尿路梗阻性疾病中的临床应用 总被引:10,自引:1,他引:9
目的探讨多层螺旋CT尿路造影在泌尿系梗阻性疾病诊断中的应用价值。方法对48例泌尿系统梗阻性疾病者,分别进行多层螺旋CT平扫及多时相期CT增强扫描。对增强后各期图像进行相关处理,以不同的三维重建方式获得CTA、CTU影像。所有病例均经临床及手术证实。结果48例中肾脏及输尿管先天畸形者15例;输尿管阴性结石致肾盂输尿管积水者4例;泌尿系炎症者5例;肾及输尿管、膀胱结核6例;外源性压迫导致肾盂及输尿管积水者8例;泌尿系肿瘤者10例。结论多层螺旋CT泌尿系造影对尿路梗阻性疾病的诊断具有很高的应用价值。 相似文献
28.
目的:探讨高分子材料和种植体同期植入缺损区进行同步骨缺损修复和牙列缺损修复的可行性。方法:以4只杂种狗为研究对象,制备下颌骨长约2.5cm的缺损的动物模型(保留下颌骨下缘),将骨水泥(聚甲基丙烯酸酯)植入骨缺损,同时将牙种植体植入骨水泥中并调整长轴方向,立即关闭术创。至术后3个月摄X线片,然后处死动物,局部巨检以了解骨水泥同骨组织的结合情况,并制备骨组织切片进行苏木精一伊红染色和甲苯胺蓝染色,以了解植入材料周边骨的生长情况及其对植入材料的反应。结果:术后3个月X线检查见骨缺损区充满骨水泥,骨水泥周边的骨小梁清晰,未见骨吸收或炎症表现,形成良好的骨-骨水泥界面,种植体则依赖其表面的螺纹结构与骨水泥间紧密的机械性嵌合而牢固的成为一体,植入的骨水泥块与周边天然骨结合紧密,无松动现象。植入材料周边局部脱钙骨的苏木精-伊红染色和甲苯胺蓝染色见骨结构正常,同时骨-骨水泥界有新骨形成。结论:骨水泥作为颌骨修复替代材料同期植入种植体是可行的。 相似文献
29.
作者测量100例妇女心电图运动试验后即刻QTc间期。冠心病组50例运动后即刻QTc间期比静息时明显延长(P<0.001),比正常配对组50例则明显缩短(P<0.001)。以QTc间期延长≥0.01秒力阳性指标,与ST段压低比较,其敏感性可从42%提高至70%,特异性从66%提高至76%;如综合QTc间期与ST段标准加以判断时,可使敏感性、特异性分别增至74%、88%。 相似文献
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