Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0020538 (hypertension)
 170,190 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A method is described to assess antigenic cross-reactivity between soluble immune complexes precipitated from sera with polyethylene glycol. The precipitated complex from one serum was dissociated in acid and used to coat a plastic cup. Radioiodinated complexes from another serum were dissociated in the cup, neutralized and allowed to reassociate overnight. The binding of the labelled complex was used to measure the cross-reactivity between the complexes. Using this technique, complexes from a group of patients with haematuria and hypertension have been found to share an antigen, and a different antigen was found in patients with bullous pemphigoid. The participation of rheumatoid factors in the cross-reactions is unlikely, and no cross-reactivity of either group was found with sera from patients with rheumatoid arthritis.
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PMID:Demonstration of two disease specific antigens in circulating immune complexes. 9 80

Fifty patients with arterial hypertension of various causes were treated with a combination consisting of Nepresol, a beta-adrenergic receptor-blocking agent and a diuretic. Duration of treatment ranged between 3 months and 5 years. A significant reduction of blood pressure was attained in all of the cases, with a return of the values to the normal range in a high proportion of the patients. The renal function did not deteriorate during therapy, but owing to potassium loss regular potassium replacement was required in the majority of the cases. Allergic reactions appeared in two cases. Neither SLE nor rheumatoid arthritis was encountered. Positive ANF reaction and a significant elevation of the Rose-Waaler titre were demonstrated in a number of cases. The benefits as well as the hazards of the therapeutic use of hydrazine derivatives are pointed out.
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PMID:Nepresol in the treatment of hypertension of major severity. 39 42

Regencrative nodular hyperplasia (RHN) is a rare condition, the diagnosis of which is based upon histological findings. It is seen in Felty's syndrome with portal hypertension (PHT), as was the case in the patient reported here. This was a 72-year-old man, with long standing rheumatoid arthritis, hepatosplenomegaly, a neutrophil leucopaenia and oesophageal varices responsible for recurrent haematemeses. Despite a portocaval anastomosis, the patient died from postoperative acute hepatic failure. Histological study revealed changes in the hepatocytes and the reticulin system typical of RNH without cirrhosis. The relationship between Felty's syndrome and RHN, as well as the mechanism of the hypertension, are discussed in the light of cases from the literature.
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PMID:[Anatomo-clinical study of a case of regenerative nodular hyperplasia of the liver with Felty's syndrome and portal hypertension]. 54 55

Study of case-notes and autopsy reports of patients with renal disease suggests that analgesic nephropathy is responsible for at least 12 per cent of cases of chronic renal failure, Between 1970 and 1975 eight new cases of analgesic nephropathy were seen annually in a population of three-quarters of a million. This is equivalent to an incidence of 490 new cases per year in England and Wales. Fifty-five patients with analgesic nephropathy were followed from one to 84 months for a total of 190 patient years. Changes in renal function were correlated with bacteriuria, hypertension and analgesic consumption. One-third of the cases had been misdiagnosed and analgesic abuse was only revealed by thorough examination of case-notes and autopsy records, together with careful questioning of patients and relatives. A number of cases had been classified as chronic pyelonephritis. The calculated survival rate at five years was 44 per cent. Mortality was related to the level of analgesic consumption and the degree of renal failure at the time of diagnosis. The prognosis was poor if serum creatinine at presentation was greater than 400 mumol/l. There was no significant correlation between deterioration in renal function and bacteriuria or hypertension. Forty-two per cent of the patients were taking analgesics for arthritis; 27 per cent had rheumatoid arthritis. Most had been taking large quantities of analgesic mixtures containing phenacetin. Renal papillary necrosis was present in only 26 per cent on intravenous urography but was found in all those examined at autopsy. Twenty thousand, two hundred and twenty-nine autopsy reports were examined for the presence of renal disease. Renal papillary necrosis was found in 0.41 per cent, and could be attributed to analgesic nephropathy in 24 per cent. In patients under 65 years of age analgesic nephropathy appeared to be a more frequent cause of death than chronic pyelonephritis. The report indicates the need for careful enquiry about analgesic consumption in all patients with renal disease, and emphasizes the importance of early diagnosis and cessation of analgesics in suspected cases of analgesic nephropathy.
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PMID:Analgesic nephropathy: an important cause of chronic renal failure. 67 50

Indentations of the glomerular basement membrane were observed by light microscopy in ultrathin Epon-embedded serial sections from the renal biopsies of patients who had membranous glomerulonephritis, minimal change glomerulonephrits, acute or resolving exudative glomerulonephritis and focal glomerulonephrits, interstitial nephritis, amyloidosis, rheumatoid arthritis, or ankylosing spondylitis. In patients with membranous glomerulonephritis, acute or resolving exudative glomerulonephritis, amyloidosis, or rheumatoid arthritis, the occurrence of indentations in the glomerular basement membrane differed significantly from that in controls. The presence of indentations did not correlate with proteinuria, hematuria, leukocyturia, arterial hypertension, or with the nephrotic syndrome or its treatment with steroids. Examination of alternate serial sections by light and be electron microscopy showed that the indentations that were light microscopically visible corresponded to craters on the epithelial surface of the glomerular basement membrane seen in the electron microscope. These craters contained protruding portions of the epithelial cells, extracellular electron-lucent material or electron-dense amorphous or striated membranous material. They were often surrounded by spikelike protrusions of the lamina densa. These indentations might represent solitary remnants of former subepithelial deposits.
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PMID:Indentations of the glomerular basement membrane in renal diseases. A light and electron microscopic study on ultrathin serial sections. 97 63

Accumulated literature over the past 25 years about the team approach to chronic disease can be divided into three broad categories: (1) the opinion base which reflects statements of belief and faith, (2) the descriptive base which contains details and personal testimony of programs using team concepts and (3) the study base which includes serious research efforts to investigate the effectiveness of team care in various settings. An analysis of the articles in the last category provides a useful insight into the problems and possibilities associated with this neglected area of health care research. The populations studied include patients with heart disease, hypertension, stroke, hip fracture, rheumatoid arthritis, diabetes and groups referred for comprehensive rehabilitation. The majority of the studies demonstrated improved outcomes in one or more areas for patients receiving coordinated team care when compared with control groups. Although these studies serve as a useful guide, the extent to which the findings can be generalized is open to serious question. In the absence of additional research, team care will remain as it is today, largely a matter of faith and the subject of many platitudes. An outline is proposed of the major methodological features which should be considered in the planning and/or evaluation of future studies in this area.
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PMID:Team care in chronic illness: a critical review of the literature of the past 25 years. 98 51

Calcium oxalate crystals were demonstrated in the retinal pigment epithelium (RPE) of a 66-year old white man with changes in the fundus oculi consistent with the flecked retina ayndrome. The patient had a history of rheumatoid arthritis, mild hypertension, and mild renal insufficiency presumed due to his hypertension. He underwent prolonged abdominal surgery under methoxyflurane anesthesia, following which he developed acute irreversible renal failure. Calcium oxalate crystals were demonstrated postoperatively in a kidney biopsy specimen. He subsequently was maintained on renal dialysis with decreasing renal function. Several weeks before his death fundus examination revealed a picture suggestive of a flecked retina syndrome. At autopsy, widespread oxalosis was found including crystals in the RPE and in some areas in the neural retina and cillary epithelium.
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PMID:Flecked retina. Appearance secondary to oxalate crystals from methoxyflurane anesthesia. 111 83

Small cutaneous vessels, obtained by ear lobe biopsies, were studied in 14 patients with various chronic nephritides and in 10 normal controls. The capillaries in the group of patients with nephritis were found to undergo two main changes: thickening of the adventitia reticularis and perivascular cellular infiltration in an inverse ratio. This infiltration was seen to be made up of mononuclear cells and an increased number of mast cells in various stages of degranulation. Changes in the basement membrane as seen by electron microscopy are not constant. All of the above changes were absent in the controls and are similar to what has been described in previous studies in both experimental and spontaneous pathologic conditions, such as experimental hypertension, diabetes mellitus, scleroderma, rheumatoid arthritis, etc. Small vessel involvement in chronic nephritides could be part of a process of diffuse microvascular damage that includes the kidneys or it may be related to hypertension or to the biochemical changes which follow uremic and pre-uremic states.
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PMID:Peripheral small vessel involvement in chronic nephritides. 118 6

During an exacerbation of rheumatoid arthritis in a 54 year old woman, an acute lifethreatening complication developed with pleuro-mediastino-pericarditis presenting as a superior vena cava obstruction-like syndrome. This was later associated with thrombosis of the left external jugular vein and a peripheral Horner's syndrome. She did also develop arterial hypertension with retinopathy and severe cardiac failure. Treatment with antirheumatic drugs and penicillin resulted in gradual improvement over the course of several months. The affected visceral organs were not permanently damaged. Knowledge of the clinical features of this condition is important, since a cure even with conservative treatment is possible.
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PMID:[Acute mediastinitis in rheumatoid arthritis)]. 126 19

Variety of pulmonary lesions are thought to be associated with rheumatoid arthritis (RA). These lesions traditionally have included pleurisy with or without effusion, Caplan's syndrome, pulmonary rheumatoid nodules, diffuse interstitial fibrosis, and pulmonary arteritis and hypertension. But little attention has been paid to the airways in RA. Recently, several reports have suggested an association between airflow limitation and RA, but its incidence is not known. Also whether there exists a parameter of disease activity of RA, suggesting the presence of small airway disease (SAD) is not clear. To answer these questions, the serologic parameters which reflect the disease activity of RA and pulmonary function tests which reflect small airway dysfunction were performed on 36 lifetime nonsmokers with RA who had normal chest x-ray findings. The prevalence of SAD and the relationships between the disease activity parameters of RA and pulmonary function were observed. The results were as follows. The percentages of patients with abnormal values for diffusing capacity, frequency dependence of compliance (C1.0/C0.0), forced expiratory flow 25-75%, Vmax50% and Vmax 75% were 45.5%, 62.5%, 40%, 22.8% and 11.4%, respectively. There was statistically significant negative correlation between C1.0/C0.0 and ESR. But consistent correlation between other pulmonary function tests and clinical and serologic parameters of RA, and differences in pulmonary function between patients who were serologically positive and negative for CRP and FANA, were not found. In conclusion, SAD, without the influence of smoking, is frequently associated with RA, but the presence of SAD cannot be predicted from any clinical and serologic parameters of RA currently in use.
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PMID:Small airway disease in rheumatoid arthritis. 130 77


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