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One hundred and twenty eight British and Irish nephrologists were questioned about their policy for HIV testing of patients with end stage renal failure being considered for renal replacement therapy. A total of 101 (79%) replied. In the case of candidates for dialysis roughly one third of respondents tested only people they considered at risk of infection with HIV and nearly one fifth considered testing unnecessary. In the case of candidates for transplantation routine HIV testing was carried out by 68 of 100 nephrologists; 22 tested only patients "at risk" and 10 did not test. A positive HIV test result was considered by most but not all respondents (63/86) to exclude patients from transplantation. Twenty four of 88 nephrologists considered that HIV positivity should exclude patients from haemodialysis, but only seven of 87 would exclude such patients from peritoneal dialysis. Similar attitudes pertained for patients with end stage renal failure who refused HIV testing. Testing with the patient''s knowledge and consent was the policy of two thirds of nephrologists, but a patient''s signature was obtained by only 24 of 88. There should be a consensus on practice for HIV testing of patients with end stage renal failure. 相似文献
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S Bj?rck G Nyberg H Mulec G Granerus H Herlitz M Aurell 《BMJ (Clinical research ed.)》1986,293(6545):471-474
The effects of angiotensin converting enzyme inhibition with captopril were investigated in patients with diabetic nephropathy and hypertension. After nine days'' treatment with captopril glomerular filtration rate was unchanged in 13 patients, whereas renal plasma flow had increased from 265 to 302 ml/min/1.73 m2 body surface area (p less than 0.05) and the filtration fraction had decreased from 14.3 to 12.8% (p less than 0.025). During two years'' treatment with captopril in 14 patients the mean arterial blood pressure had fallen by 5 mm Hg (p less than 0.005) and the deterioration in glomerular filtration rate had decreased from 10.3 to 2.4 ml/min/year (p less than 0.005). There was no correlation between the fall in blood pressure and the reduction in the deterioration of glomerular filtration rate. These findings suggest that the effects of angiotensin converting enzyme inhibition on renal haemodynamics protect renal function. Inhibitors of angiotensin converting enzyme should be considered for lowering blood pressure in patients with diabetic nephropathy. 相似文献
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Zakaria Mahmoud M. Derbala Safaa A. Salem Ayman E. EL-Agroudy Amgad E. El-Tantawy Fatma M. 《Molecular biology reports》2021,48(10):6857-6862
Molecular Biology Reports - Chronic kidney disease (CKD) is condition characterized by a gradual loss of kidney function, patient with CKD suffering from a variety of immune system defects. This... 相似文献
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Angiotensin converting enzyme (ACE) is stored in the endothelium. Its activity depends--among others--on the O2-concentration of the blood. Aim of the study was to examine the serum ACE values in chronic obstructive lung diseases (bronchial asthma, chronic bronchitis, lung fibrosis etc.). At the time of blood sampling, blood-gas tensions and respiratory function parameters of the patients were also determined. On the basis of the blood-gas parameters and SACE x + SD and x--SD values, obtained from the normoxic-normocapnic group, the patients could be divided into sub-groups. In contrast to data in the literature increased enzyme levels in response to hypoxia could be found only in patients suffering from a pulmonary disease associated with severe tissue damage. 相似文献
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Some advances in angiotensin converting enzyme inhibitors 总被引:1,自引:1,他引:0
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M McCarthy 《BMJ (Clinical research ed.)》1984,288(6426):1306-1307
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The genes encoding apolipoproteins (apos) A-I, B, C-III and E as well as that encoding the angiotensin converting enyzme (ACE) have been proposed as candidate genes for coronary heart disease (CHD). We determined the common polymorphisms of the apo genes, previously found to influence serum lipid levels at the population level, and the insertion/deletion polymorphism of the ACE gene, recently reported to reflect the risk of myocardial infarction, in 82 very young (mean, 41 years) North Karelian Finns with symptomatic CHD and 50 controls of similar age. Patients with familial hypercholesterolemia had been excluded from this material. None of the polymorphisms examined, including the apo A-I promoter MspI, apo C-III SstI and apo B XbaI restriction fragment polymorphisms, a common variation of apo E (2, 3 and 4 alleles) and an ACE insertion/deletion (I/D) polymorphism, was significantly associated with the risk of premature CHD. Patients with CHD had a higher mean serum LDL cholesterol/HDL cholesterol ratio than controls (3.15±1.30 vs 2.72±0.98, P < 0.05), but no significant associations between the common apo gene polymorphisms and serum lipid levels were disclosed in either group. It is possible that other genetic loci than those proposed to be associated with accelerated atherosclerosis may be more important as risk factors of symptomatic CHD at the age of 40 years. 相似文献
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D H Taube E A Winder C S Ogg M Bewick J S Cameron C J Rudge D G Williams 《BMJ (Clinical research ed.)》1983,286(6383):2018-2020
Many patients over the age of 55 with end stage renal disease in the United Kingdom are denied dialysis or transplantation. Although the reasons are complex, anticipation of a poor prognosis for these patients might explain why most British renal units impose an arbitrary age limit on the acceptance of patients for treatment. A study was therefore conducted to examine the prognosis and quality of life of 84 patients (mean age 59.6 years, range 55-72) accepted into our renal replacement programme from the beginning of 1975. The five year survival of the patients was 62.0% with 78.1% of the survivors either having successful transplants or caring for themselves using home haemodialysis or continuous ambulatory peritoneal dialysis. The results show that in terms of survival, economics, and rehabilitation it is both feasible and reasonable to treat middle aged and elderly patients with end stage renal disease. These patients should therefore not be denied dialysis or transplantation on the basis of age alone, and the lack of resources and other factors that allow this state to persist in Britain should be rapidly redressed. 相似文献
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Z Zdrojewicz 《Endokrynologia Polska》1991,42(4):553-559
Serum activity of angiotensin converting enzyme (ACE) has been measured in 13 women (mean age 43.1 years) with primary hypothyroidism by spectrofluorometric method of Friedland and Silverstein. The mean enzyme activity was significantly lower in hypothyroid patients than in healthy persons. There is no significant correlation between ACE activity and thyroid hormones concentration. 相似文献
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R. Walker 《BMJ (Clinical research ed.)》1997,315(7120):1429-1432
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Christine E Bucknall J Brian Neilly Roger Carter Robert D Stevenson Peter F Semple 《BMJ (Clinical research ed.)》1988,296(6615):86-88
Angiotensin converting enzyme inhibitors cause cough in some patients, but the mechanism of this effect is not known. Six patients in whom these inhibitors had caused cough and a further two patients in whom they were suspected to have caused worsening of bronchial asthma were studied. Nine patients in whom angiotensin converting enzyme inhibitors had not been associated with cough served as controls. In the controls lung function and bronchial reactivity were measured once; for the study patients these and the cough index were measured twice before rechallenge for two weeks with an angiotensin enzyme inhibitor and once afterwards. Rechallenge with drug for two weeks caused a significant decrease in the mean concentration of histamine causing a 35% fall in airways conductance and a significant increase in the cough index. Patients with cough showed bronchial hyperactivity compared with the controls, which increased after rechallenge with the inhibitors.Cough associated with converting enzyme inhibitors may be a variant of the cough in asthma. 相似文献
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Rutkowski P Sledzinski T Zielinska H Lizakowski S Goyke E Szrok-Wojtkiewicz S Swierczynski J Rutkowski B 《Regulatory peptides》2012,173(1-3):55-59
Chemerin is an adipokine associated with metabolic syndrome, systemic inflammation and innate immune system. It has been suggested recently that the decrease in renal function may cause an increase in serum chemerin concentration. In this paper we investigated the effect of kidney transplantation on elevated serum chemerin concentration in dialyzed patients with end stage renal disease (ESRD). Twenty five ESRD patients were tested before and 3months after the kidney transplantation. The control group was comprised of twenty one healthy subjects. Serum chemerin concentrations were measured using commercial ELISA kit, and were related to clinical status, and biomarkers of renal function. We have shown that the kidney transplantation resulted in the decrease of the serum chemerin concentration. Concomitantly, serum creatinine, blood urea nitrogen, phosphate and C-reactive protein concentrations were significantly reduced, while estimated glomerular filtration rate (eGFR), calcium and hemoglobin substantially increased. Univariate regression analysis showed that serum chemerin concentration was positively correlated with serum creatinine and phosphate concentrations and negatively correlated with eGFR. The results presented here indicate that the serum chemerin concentration in patients with ESRD normalizes after the kidney transplantation, and provide additional evidence that serum chemerin concentration is related to renal function. 相似文献
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T. Hedner O. Samuelsson H. Lunde L. Lindholm L. Andrén B. E. Wiholm 《BMJ (Clinical research ed.)》1992,304(6832):941-946
OBJECTIVE--To evaluate and describe the clinical course of angio-oedema reactions induced by angiotensin converting enzyme inhibitors. DESIGN AND METHODS--All reports of angio-oedema reactions associated with angiotensin converting enzyme inhibitors submitted to Swedish Adverse Reactions Advisory Committee were reviewed and the clinical courses summarised. Numbers of cases judged to be induced by angiotensin converting enzyme inhibitors were related to their annual usage, estimated from total sales of defined daily doses, as well as to the estimated number of new patients. All cases of angio-oedema associated with angiotensin converting enzyme inhibitors reported to the World Health Organisation''s international drug information system were also summarised. RESULTS--36 of the 38 reported cases in Sweden between 1981 and 1990 were judged to be related to angiotensin converting enzyme inhibitors. During 1981 through 1990, altogether 1309 cases of angio-oedema associated with angiotensin converting enzyme inhibitors were registered with the international drug information system. The incidence of reported cases of angio-oedema increased largely in parallel with the increased sales (usage) of angiotensin converting enzyme inhibitors. Of the 36 Swedish patients, 77% experienced the reaction within the first three weeks after starting treatment. 10 patients needed hospitalisation, two of whom had life threatening laryngeal obstruction. With one exception all 36 patients were free of symptoms within one week after discontinuing the drug. CONCLUSIONS--Angio-oedema induced by angiotensin converting enzyme inhibitors is a rare but potentially life threatening reaction, which in most instances occurs shortly after the start of treatment. Any patient in whom the reaction is suspected should have the treatment interrupted and, if necessary, be admitted for observation. 相似文献