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排序方式: 共有1312条查询结果,搜索用时 15 毫秒
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Eros S. Chaves Robert C. Wood Archie A. Jones Dewey A. Newbold Mary A. Manwell Kenneth S. Kornman 《Journal of clinical periodontology》1993,20(2):139-143
Abstract Bleeding on probing (BOP) and the gingival index have been used to clinically characterize the degree of gingival inflammation. It is, however, unclear to what extent these parameters correlate to each other and to probing pocket depth (PD). The purpose of this clinical study was to evaluate the association between BOP and GI bleeding (scores of 2 and 3), as well as the relationship of these variables to PD, in a group of patients presenting with naturally-occurring gingivitis. Based on screening examinations of 125 subjects with at least 20 teeth, no more than 4 sites with PD over 6 mm, a BOP frequency of 30% or greater, and no systemic condition that would influence the inflammatory response, were selected. 2 weeks after screening they were examined at 6 sites per tooth for plaque index, GI, PD and BOP. A standardized pressure sensitive probe (Florida Probe) with 20 g probing force was used for BOP and PD measurements. In this population, means of 40.9% (S.E.= 1.36) BOP sites and 35.3% (S.E, = 1.81) GI bleeding sites per patient were found. A total of 20,008 sites ranging in PD up to 5.9 mm were evaluated; however, the majority of sites (19,723, 98.6%) presented with <4 mm PD. When sites were evaluated, BOP demonstrated a positive correlation with PD, whereas GI bleeding correlated with PH. For sites characterized by the absence of BOP as well as the absence of GI bleeding (scores 0 and 1), the highest % of agreement between the 2 indices (77.7%) was found in shallow sites (0.1–2 mm). In contrast, when sites presenting with both BOP and GI bleeding were analyzed, the highest % of agreement (85,4%) was found for sites with PD >4.0 mm. In this gingivitis population group, it appears that BOP and GI bleeding evaluate distinct inflammatory1 conditions of the gingival tissues, and the relationship between the 2 clinical parameters may vary according to PD at the individual site examined. 相似文献
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This immunohistochemical study of chicken retina using flat-mounts shows that pancreatic glucagon- and substance P-like immunoreactive amacrine cells have more heterogeneous subpopulations than was previously understood to be the case. Using double-staining immunohistochemical procedures we demonstrate that a substantial proportion of all subtypes of glucagon-like immunoreactive cells contain substance P-like immunoreactivity and that the ratio of the amacrine cells containing both peptides to total immunoreactive cells varies according to position in the retinal and cell type. These results suggest that retinal cells may have different functions according to position or cell type. 相似文献
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Parul Jain Urmila Singh Vijay Kumar Rashmi Ratnam Amita Jain 《Indian journal of medical microbiology》2022,40(3):365-369
PurposeCartridge based nucleic acid amplification test (CBNAAT) has been endorsed by the WHO as the screening test for diagnosing extrapulmonary tuberculosis (EPTB). In the present study we report the agreement between CBNAAT (Xpert MTB/RIF), liquid culture (LC) and line probe assay (LPA) for diagnosis of Mycobacterium tuberculosis and detection of drug resistance among EPTB cases.MethodsThe EP samples were subjected to CBNAAT (Xpert MTB/RIF, Cepheid, USA) and wherever possible, to LC (MGIT 960, Becton Dickinson, USA) followed sequentially by first line and second line-LPA (FL-LPA, SL-LPA, Hain Lifescience, Germany) on the isolates.ResultsTotal 566/4080 (13.9%) EP samples were detected positive for M. tuberculosis on CBNAAT. Aspirates from lymph nodes were most often positive (11/30; 36.6%), followed by pus (240/873; 27.5%) and CSF samples (166/104; 15.8%). The detection of M. tuberculosis was more in adults than children except in tissue biopsy samples. Rifampicin resistance was also higher among adults except CSF in which resistance was more in children. Total 185 of 566 (32.7%) CBNAAT positive and 770 of 3510 (21.9%) CBNAAT negative samples could be cultured of which 110/185 (59.4%) and 33/770 (4.3%) respectively turned positive. FL-LPA and SL-LPA of 143 culture isolates showed that 27 isolates had drug resistance, of which 3 (2.1%) were XDR, 11 (7.7%) were Pre-XDR (FQ) and 13 (9.1%) were MDR. Of these 27 resistant isolates, 12 were negative by CBNAAT and two were mislabeled as Rifampicin sensitive or indeterminate based on the unique RpoB gene mutation patterns on LPA. The positive and negative agreements between LC and CBNAAT for detection of M. tuberculosis were 67.1% and 92.7% respectively and between LPA and CBNAAT for rifampicin resistance detection were 98.9% and 92.9% respectively.ConclusionsFor EPTB, CBNAAT should be accompanied with LC wherever possible irrespective of the CBNAAT result. 相似文献
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复习34 例胃癌术后转移或复发的CT扫描所见,发现淋巴结转移19 例,肝脏转移8 例,其它器官转移10 例,腹水征8 例,局部肿块5 例,其中残胃癌2 例。32 例同期B超发现转移或复发19 例,13 例未见异常。15 例同期曾做GI及胃镜,发现吻合口复发1 例,残胃癌2 例。表明胃癌术后复发主要表现为淋巴结和脏器转移;CT扫描对转移征象检出较敏感 相似文献
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目的探讨在脊柱矫形手术应用大剂量抑肽酶减少出血量的疗效。方法对30例应用抑肽酶的脊柱矫形手术的出血量与对照组的资料进行临床分析。结果用药组比对照组的出血量显著减少。结论术前应用大剂量抑肽酶可显著减少脊柱矫形手术的出血量。 相似文献
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《Current medical research and opinion》2013,29(2):147-152
SummaryThis study consisted of two nationwide surveys. The first involved 209 general practitioners (GPs) from 22 sampling points in England, Scotland and Wales, and the second involved 510 patients with osteoarthritis (OA) (aged 60 years and above), rheumatoid arthritis (RA) or unspecified arthritis, who had visited their GP for treatment.The results showed that OA has a significant negative impact on patients’ quality of life; 79% of patients stated that their condition limited their quality of life.Only 15% of GPs reported prescribing a conventional non-steroidal anti-inflammatory drug (NSAID) as first-line treatment for patients with arthritis. More than half (57%) stated that they would prescribe a simple analgesic or a compound analgesic before trying an NSAID. Forty four per cent of GPs stated that their main therapeutic objective when prescribing an NSAID was to minimise GI side-effects, and therefore start at a low dose. This implies that many patients are likely to be receiving sub-optimal doses.Experiencing breakthrough pain and GI side-effects were common reasons cited for patients re-presenting to GPs. GPs reported their expectation to prescribe GI protectants to a fifth (21%) of their patients on NSAIDs and estimated one in six patients (17%) take OTC products to relieve GI symptoms.This research demonstrates that there is considerable dissatisfaction with currently used treatment regimens for osteoarthritis, from both the GP and patient perspectives. 相似文献
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目的:通过对社区糖尿病患者进行"GI饮食标尺"相关的健康教育,探索社区糖尿病营养干预的有效模式。方法:随机抽取大宁社区2型糖尿病患者120人,分为对照组、干预组各60名。根据"食物血糖指数"自制"GI饮食标尺",对干预组患者进行为期1年的相关健康教育,比较两组患者血糖控制的效果。结果:干预后,干预组空腹血糖平均为7.22mmol/L,对照组为8.08mmol/L;干预组糖化血红蛋白平均为7.32%,对照组为7.90%;干预组餐后2h血糖平均为8.15mmol/L,对照组为9.55mmol/L,两组比较差异均有统计学意义(P<0.01)。结论:利用"GI饮食标尺"指导糖尿病患者控制饮食,简便易用,能有效提高患者的糖尿病防治知识知晓率,并能提高血糖的控制率。 相似文献
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