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排序方式: 共有129条查询结果,搜索用时 31 毫秒
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Dulaglutide decreases plasma aminotransferases in people with Type 2 diabetes in a pattern consistent with liver fat reduction: a post hoc analysis of the AWARD programme
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K. Cusi N. Sattar L.‐E. García‐Pérez I. Pavo M. Yu K. E. Robertson C. A. Karanikas A. Haupt 《Diabetic medicine》2018,35(10):1434-1439
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Harald Kritz Peter Schmid Georgios Karanikas Christian Pirich Yannis Stamatopoulos Bernhard A. Peskar Prof. Helmut Sinzinger M.D. 《The International journal of angiology》1996,5(3):134-139
Although active smoking is known to enhance platelet thromboxane production, no data on passive smoking are available yet. In an 18 m3 room, the influence of single and repeated exposure to passive smoke for 60 minutes was assessed in nonsmokers and smokers. Smokers and nonsmokers were matched for sex and age. All the evaluated parameters (plasma TXB2, serum TXB2, malondialdehyde, 11-dehydro-TXB2, conversion of exogenous arachidonic acid to hydroxy-5,8,10-heptadecatrienoic acid, and TXB2) were higher in smokers than nonsmokers at baseline conditions, immediately and 6 hours after passive exposure to cigarette smoke. Repeated exposure of nonsmokers rendered their platelets more activated, so they became closer to the behavior of smokers. Contributing to the development of hemostatic imbalance, these results indicate that passive smoking may enhance thromboxane A2 release from the platelets.Presented at the 36th Annual World Congress, International College of Angiology, New York, New York, July 1994 相似文献
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P. Siaperas Ch. Vallas I. Karanikas N. Oikonomou 《Hellēnikē cheirourgikē. Acta chirurgica Hellenica》2014,86(3):186-189
We report the case of a transmesosigmoid hernia in a 28-year-old female who presented to the emergency room complaining of abdominal pain. History, clinical and radiographic examination revealed small bowel ileus, but without being able to diagnose the cause. We decided to perform laparoscopy, which showed herniation of a small intestine loop through a small defect of the mesosigmoid. Due to the inability to reduce the internal hernia laparoscopically, we converted to mini-laparotomy; we reduced the hernia and performed segmental small bowel resection and anastomosis. It is essential to suspect the presence of an internal hernia as soon as possible, because if the operation is delayed, it will often eventually lead to bowel necrosis. 相似文献
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Dimitrios Asvestas Vasileios Sousonis George Kotsovolis Stavros Karanikas Anastasia Xintarakou Eleftherios Sakadakis Angelos G. Rigopoulos Andreas S. Kalogeropoulos Panos Vardas Stylianos Tzeis 《Clinical cardiology》2022,45(5):503
BackgroundForce‐time integral (FTI) is an ablation marker of lesion quality and transmurality. A target FTI of 400 gram‐seconds (gs) has been shown to improve durability of pulmonary vein isolation, following atrial fibrillation ablation. However, relevant targets for cavotricuspid isthmus (CTI) ablation are lacking.HypothesisWe sought to investigate whether CTI ablation with 600 gs FTI lesions is associated with reduced rate of transisthmus conduction recovery compared to 400 gs lesions.MethodsFifty patients with CTI‐dependent flutter were randomized to ablation using 400 gs (FTI400 group, n = 26) or 600 gs FTI lesions (FTI600 group, n = 24). The study endpoint was spontaneous or adenosine‐mediated recovery of transisthmus conduction, after a 20‐min waiting period.ResultsThe study endpoint occurred in five patients (19.2%) in group FTI400 and in four patients (16.7%) in group FTI600, p = .81. First‐pass CTI block was similar in both groups (50% in FTI400 vs. 54.2% in FTI600, p = .77). There were no differences in the total number of lesions, total ablation time, procedure time and fluoroscopy duration between the two groups. There were no major complications in any group. In the total population, patients not achieving first‐pass CTI block had significantly higher rate of acute CTI conduction recovery, compared to those with first‐pass block (29.2% vs. 7.7% respectively, p = .048).ConclusionsCTI ablation using 600 gs FTI lesions is not associated with reduced spontaneous or adenosine‐mediated recurrence of transisthmus conduction, compared to 400 gs lesions. 相似文献
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Mice immunised with human epithelial mucin MUC1 coupled to oxidised mannan produce MUC1 specific MHC Class 1 restricted CD8+ cytotoxic T cells and are completely protected from the development of MUC1+ tumours; such therapy may be applicable to humans. In this light we describe pre-clinical studies in cynomolgus monkeys (Macaca fascicularis), to test the efficacy of mannan-MUC1 in higher primates. Monkey MUC1 genomic clones were isolated from a macaque library, peptides and fusion protein synthesised and mice and monkeys immunised with macaque MUC1-mannan. In mice CTL responses were induced (as has been found with human MUC1 mannan conjugates), but in contrast monkeys produced a humoral response, with no T cell proliferative, cytotoxic responses or CTLp found. In spite of the presence of anti-MUC1 auto-antibodies, there was no toxicity or induction of autoimmunity. 相似文献
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Karanikas G Köstler WJ Becherer A Wiesner K Dudczak R Krainer M Kletter K 《Oncology reports》2002,9(5):1009-1013
The lipophilic cationic compound Tc-99m-tetrofosmin has been demonstrated to be a valuable tool for the detection of a variety of tumours. Tc-99m-tetrofosmin uptake by sarcomas in vitro as well as in primary tumours has been reported. Data on the visualisation of metastatic soft tissue sarcomas using this tracer are missing so far. Ten consecutive patients with histopathologically verified metastatic soft tissue sarcoma were included in the present study. Five patients had previously received cytotoxic treatment, the other five patients were chemonaive. All patients underwent whole body planar examination after administration of 500-550 MBq Tc-99m-tetrofosmin, and in case of lung metastases on CT scan, SPECT images were carried out. Non-physiological accumulation of the tracer was considered as a positive result. Scintigraphic results were compared to conventional imaging by means of MRI/CT scanning. Visualisation of distant metastases was achieved in five patients all of whom were chemonaive, while in the chemotherapeutically pretreated patient group (n=5) false negative results were seen. Progressive disease was confirmed by follow-up in all patients. Pulmonary metastases were visualised only in SPECT acquisition and not on planar images. In one patient with diffuse bone marrow infiltration (inflammatory myofibroblastic sarcoma) Tc-99m-tetrofosmin scintigraphy was positive, while CT showed a negative result. According to our results, detection of metastatic soft tissue sarcomas by Tc-99m-tetrofosmin scintigraphy was strongly dependent on the history of previous treatment of the patient. A positive finding before initiation of chemotherapy was not indicative for subsequent therapeutic response. In the staging of chemonaive patients with metastatic soft tissue sarcoma Tc-99m-tetrofosmin may provide some additional information. 相似文献
9.
Liberopoulos E Karabina SA Tselepis A Bairaktari E Nicolaides C Pavlidis N Elisaf M 《Oncology》2002,62(2):115-120
BACKGROUND: Tamoxifen has favorable effects on the serum lipid profile. It has been suggested that the apolipoprotein (Apo) E phenotype can influence serum lipid parameters; the ApoE allele 4 (ApoE4) is associated with higher total and low-density lipoprotein (LDL) cholesterol levels. The ApoE phenotype also affects lipid responses to diets or treatment with statins. However, the effect of tamoxifen on the lipid profile in different ApoE phenotypes is unknown. PATIENTS AND METHODS: In the present study, we evaluated the effects of tamoxifen on the serum lipid profile in 11 ApoE4-positive postmenopausal women with breast cancer (phenotypes 3/4 and 4/4) compared with 33 ApoE4-negative women (phenotypes 3/2 and 3/3). Serum lipid parameters [high-density (HDL), LDL and total cholesterol, triglycerides, ApoAI, ApoB and lipoprotein (a)] were measured after an overnight fast before treatment and after 3 and 12 months. ApoE isoforms were determined by isoelectric focusing of delipidated very-low-density lipoproteins (VLDL). RESULTS: During the follow-up period, serum levels of total and LDL cholesterol and ApoB decreased significantly in both groups, but no significant differences were found. Concentrations of serum HDL cholesterol were not significantly different between both groups. However, serum ApoAI levels increased significantly in ApoE4-negative subjects (p = 0.00005), but no significant changes in ApoE4-positive women were observed. Serum triglyceride levels increased by 23.2% (p < 0.05) in ApoE4-positive patients, but they did not change significantly in ApoE4-negative patients. The LDL/HDL cholesterol ratio decreased similarly in the two groups, but the ApoAI/ApoB ratio, which may be a better predictor of cardiovascular events, significantly changed in the ApoE4-negative subjects. Finally, the median level of Lp(a) decreased by 43.4% in the ApoE4-negative patients, whereas it did not change significantly in the ApoE4-positive group. CONCLUSION: In postmenopausal Greek women with breast cancer, the levels of Lp(a) and triglycerides and the ApoAI/ApoB ratio respond more favorably to tamoxifen treatment in ApoE4-negative than in ApoE4-positive patients. 相似文献
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ACE inhibition is superior to angiotensin receptor blockade for renography in renal artery stenosis 总被引:1,自引:0,他引:1
Karanikas G Becherer A Wiesner K Dudczak R Kletter K 《European journal of nuclear medicine and molecular imaging》2002,29(3):312-318
Angiotensin converting enzyme (ACE) inhibitors as well as angiotensin II receptor antagonists are able to prevent the vasoconstrictive effect of angiotensin II on the efferent renal vessels, which is believed to play an important role in renovascular hypertension. This effect is assumed to be essential for the demonstration of renovascular hypertension by captopril renography. In this study, renographic changes induced by captopril and the AT1 receptor antagonist valsartan were compared in patients with a high probability for renovascular hypertension. Twenty-five patients with 33 stenosed renal arteries (grade of stenosis >50%) and hypertension were studied. Captopril, valsartan and baseline renography were performed within 48 h using technetium-99m mercaptoacetyltriglycine. Blood pressure was monitored, plasma renin concentration before and after intervention was determined and urinary flow was estimated from the urinary output of the hydrated patients. Alterations in renographic curves after intervention were evaluated according to the Santa Fe consensus on ACE inhibitor renography. Captopril renography was positive, indicating renovascular hypertension, in 25 of the 33 stenosed vessels, whereas valsartan renography was positive in only ten. Blood pressure during captopril and valsartan renography was not different; reduction in blood pressure was the same after valsartan and captopril. Plasma renin concentration was comparable for valsartan and captopril studies, showing suppressed values after intervention in as many as 12 of the 25 patients. Urinary flow after valsartan was higher than after captopril (P<0.05). However, this difference could not explain the markedly higher sensitivity of captopril compared with valsartan in demonstrating renal artery stenosis. In 14 of the 25 patients, blood pressure response to revascularisation was monitored, showing a much better predictive value for captopril renography. It is concluded that captopril renography is much more sensitive than valsartan renography in detecting a clinically significant renal artery stenosis. Furthermore, our data suggest that other effects, such as that on the prostaglandin-bradykinin system, are of at least similar importance to ACE inhibition for the high diagnostic sensitivity of captopril renography regarding renovascular hypertension. 相似文献