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 44,886 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Total glycosylated haemoglobin (HbA1) was determined by a rapid minicolumn chromatography technique in 438 diabetic patients and correlated with the mean of fasting and post-prandial blood glucose values for the preceding six weeks. In 360 of them, free of congenital haemoglobinopathies and other detected causes of HbA1 mis-interpretation (reference group), a significant correlation was established between the HbA1 and glucose values: y = 0.54 X + 4.91; r = 791; (p less than 0.01). In 28 of the 29 patients with heterozygous haemoglobinopathies (Hb S = 17; Hb C = 8; Hb D Pundjab = 1; Hb E = 2) the apparent HbA1 values were inappropriately low. The apparent HbA1 value was above the 95% confidence limits in the 29th patient, with beta thalassaemia. In 10 out of 14 diabetics with recurrent hypoglycemic attacks, the HbA1 value was lower than the 95% confidence limits of expected values. Out of 21 diabetics with a shortened red cell lifespan (occult blood losses: 10; haemolysis: 11) 15 displayed a lower than expected HbA1 value. Among these was a diabetic patient with malaria and severe anaemia. Out of 14 diabetics with severe chronic renal failure only 3 presented with apparent HbA1 values above the 95% confidence limits.
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PMID:Haemoglobinopathies, malaria, and other interferences with HBA1 assessment. 653 3

A patient with end-stage renal disease who acquired Plasmodium vivax infection after renal transplantation is reported. This 24-year-old male, a native of Taiwan, had chronic renal failure due to nephrotic syndrome of unknown etiology and had been maintained on regular hemodialysis. He developed a fever 18 days after receiving a blood transfusion and a renal allograft transplant from unknown donors in India, while he was taking corticosteroids, azathioprine and cyclosporine. Ring forms, schizonts and trophozoits of P. vivax were found in the patient's peripheral blood. He achieved defervescence after a three-day treatment of chloroquine. Malaria should be considered in the differential diagnosis of fever in transplant recipients who have received organs or blood products from an area of endemic malaria.
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PMID:Plasmodium vivax infection in a renal transplant recipient: report of a case. 774 46

In a prospective study spanning 12 1/2 years (July 1983 to December 1995), 272 children with nephrotic syndrome seen at the University of Nigeria Teaching Hospital Enugu, Nigeria, were followed up and reviewed at the end of the study period. The demographic, clinical and laboratory features, response to treatment and prognosis were documented. Nephrotic syndrome made up 1.34% of all paediatric admissions. There were 164 males and 108 females giving a male to female ratio of 1.5:1. The ages ranged from 2 to 16 years, with a mean of 7.9 +/- 3.4 years and peak age of 5-7 years. The major clinical features were generalized oedema (100%), hypertension (23%), fever (20%), oliguria (10%) and cough (7%). Haematuria was present in 26%, mean serum albumin was 16 +/- 5, 1 gm/L, serum cholesterol 9.53 +/- 1.6 mmol/L Malaria parasitaemia was present in 38.7% and 9 patients (3.3%) had sickle cell disease (SS). Treatment with diuretics, pooled plasma, prednisolone or cyclophosphamide in various combination achieved 63.9% remission. Mortality was 5.5% being mainly due to chronic renal failure, hypertension and infections. The study calls for more trials in the use of steroids and cyclophosphamide in the treatment of childhood nephrotic syndrome in the tropics.
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PMID:Childhood nephrotic syndrome in Enugu, Nigeria. 1107 Jul 50

The major health problems in Africa are AIDS, tuberculosis, malaria, gastroenteritis and hypertension; hypertension affects about 20% of the adult population. Renal disease, especially glomerular disease, is more prevalent in Africa and seems to be of a more severe form than that found in Western countries. The most common mode of presentation is the nephrotic syndrome, with the age of onset at five to eight years. It is estimated that 2 to 3% of medical admissions in tropical countries are due to renal-related complaints, the majority being the glomerulonephritides. There are no reliable statistics for ESRD in all African countries. Statistics of the South African Dialysis and Transplant Registry (SADTR) reflect the patients selected for renal replacement therapy (RRT) and do not accurately reflect the etiology of chronic renal failure (CRF), where public sector state facilities will offer RRT only to patients who are eligible for a transplant. In 1994, glomerulonephritis was recorded as the cause of ESRD in 1771 (52.1%) and hypertension in 1549 (45.6%) of patients by the SADTR. In a six-year study of 3632 patients with ESRD, based on SADTR statistics, hypertension was reported to be the cause of ESRD in 4.3% of whites, 34.6% of blacks, 20.9% mixed race group and 13.8% of Indians. Malignant hypertension is an important cause of morbidity and mortality among urban black South Africans, with hypertension accounting for 16% of all hospital admissions. In a ten-year study of 368 patients with chronic renal failure in Nigeria, the etiology of renal failure was undetermined in 62%. Of the remaining patients whose etiology was ascertained, hypertension accounted for 61%, diabetes mellitus for 11% and chronic glomerulonephritis for 5.9%. Patients with CRF constituted 10% of all medical admissions in this center. Chronic glomerulonephritis and hypertension are principal causes of CRF in tropical Africa and East Africa, together with diabetes mellitus and obstructive uropathy. The availability of dialysis and transplantation is quite variable in Africa: treatment rates in North Africa are 30 to 186.5 per million population (pmp) in countries with more established programs: Algeria 78.5; Egypt 129.3; Libya 30; Morocco 55.6; Tunisia 186.5 pmp. In South Africa, treatment rates of 99 pmp were reported; Dialysis and transplant programs in the rest of Africa are dependent on the availability of funding and donors. Services are still predominantly urban and therefore generally inaccessible to the poorer, less educated rural patient. There is not enough money for healthcare in the developing world, particularly for expensive and chronic treatment such as RRT. The goal should be to have a circumscribed chronic dialysis program, with as short a time on dialysis as possible, and to increase the availability of transplantation (both living donor and cadaver). Efforts should be made to optimize therapy of renal disease and renal failure globally and particularly in developing countries. Strategies should be developed to screen for and manage conditions such as hypertension and diabetes mellitus at the primary healthcare level in an effort to decrease the incidence of chronic renal failure. Increasingly, health is influenced by social and economic circumstances. Any improvements in health thus demand integrated, comprehensive action against all the determinants of ill health.
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PMID:End-stage renal disease in sub-Saharan and South Africa. 1286 89

Renal failure remains a serious cause of mortality in Yemen. Our region has 1.25 million population and our hospital is the central hospital, which has a nephrology department and performs dialysis for the region. Between January 1998 and December 2002, we admitted 547 patients; including children, with acute renal failure (ARF) and chronic renal failure (CRF). CRF was observed in 400 patients, an incidence of 64 per million per year and a prevalence of 320 per million. ARF occurred in 147 persons with an incidence of 23.5 per million per year and a prevalence of 117.5 patients per million. Of all patients, 72% were adults (age range, 20-60 years) with a male preponderance. As a tropical country, malaria (27.9%), diarrhea (13.6%), and other infectious diseases were the main causes. Next most common were obstructive diseases causing CRF and ARF (26.8% and 12.9%, respectively), mainly urolithiasis, Schistosomiasis, and prostatic enlargement. However the cause of CRF in 57.5% of patients was unknown as most persons presented late with end-stage disease (64.7%), requiring immediate intervention. Other causes, such as hepatorenal syndrome, snake bite, diabetes mellitus, and hypertension, showed low occurrence rates. Patients presented to the hospital mostly in severe uremia and without a clear history of prior medications. The major findings were vomiting, acidosis, and hypertension with serum creatinine values ranging between 2.8-45 mg/dL (mean value, 13.4 mg/dL). Anemia was observed in 80.4% of CRF versus 62.6% of ARF patients. Hypertension prevalence was 65.5% among CRF patients, of whom 25% were in hypertensive crisis, whereas among ARF the prevalence was only 26.5%.
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PMID:Renal failure in Yemen. 1535 Apr 75

This cross-sectional study was carried out to determine the possible causes of chronic renal failure (CRF) in Ibn Sina Teaching Hospital (ISTH) in Hadramout, Yemen. Fifty-one CRF patients (29 men and 22 women) on regular hemodialysis were included in the study. Glomerulonephritis (25.4%) was the commonest cause of CRF, followed by obstructive nephropathy (13.7%), hypertension (11.8%), pyelonephrits (11.8%), diabetic nephropathy (7.8%), arthritis, malaria, vasculitis and postpartum hemorrhage (5.9% each) and the least common one was Alport's syndrome (3.9%). There were more men than women (57% and 43%, respectively). The mean age range of the patients was 42 years. More patients were the from coast of Mukalla than from the valley and desert (59% and 41%) respectively.
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PMID:Causes of Chronic Renal Failure in Hemodialysis Unit: a single center experience in Yemen. 1729 42

Uremic hemorrhagic pericarditis occurs much less frequently in acute than in chronic renal failure, but when it does, it is a potentially fatal complication. The possibility of hemorrhagic pericarditis and cardiac tamponade should be considered in patients with acute renal failure and acute hemodynamic instability. This study reports a case of falciparum malaria complicated by acute renal failure that developed fatal cardiac tamponade in the recovery phase of acute renal failure.
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PMID:Fatal cardiac tamponade in malarial acute renal failure. 1749 55

Acute renal failure (ARF) is a common problem in the Congo. This is a six-year retrospective study aiming at analyzing the etiology and the outcome of ARF at the Brazzaville's University Hospital from 1989 through 1994. One hundred and five cases of ARF (0.99%), including 54 boys (51.4%) and 51 girls (48.6%), out of 10,512 children admitted in the department of Pediatrics have been recorded. ARF represented 13.09% of the causes in 802 patients with renal disorder. The main etiologies of ARF included acute gastroenteritis with dehydration (25.7%), nephrotic syndrome (14.7%), sepsis (15.23%), malaria (12.38%), and acute glomerulonephritis (9.5%). Most cases were managed conservatively, while peritoneal dialysis (PD) was used in eight cases (7.62%). The outcome of ARF was recovery in 50.5 %, death in 37 % and chronic renal failure in 12.5% of cases. Preventive measures may help in reducing the high mortality rate and the need for dialysis.
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PMID:Etiology and outcome of acute renal failure in children in congo-brazzaville. 1820 97

Acute renal failure associated with Plasmodium falciparum infection is already well recognized. Nevertheless, end-stage chronic renal failure and falciparum malaria comorbidity is a rare condition. We report a case of Plasmodium falciparum infection in a young male Javanese patient with end-stage chronic renal failure who underwent regular hemodialysis. This rare comorbidity led to rapid deterioration of consciousness and metabolic disturbances which had already existed in end-stage renal failure. Because of the immunosuppressive condition due to organ failure, the patient did not survive despite anti-malarial chemotherapy.
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PMID:A lethal case of Plasmodium falciparum infection in a young patient with end-stage renal failure who underwent regular hemodialysis. 2082 47

There is paucity of information on the magnitude of the burden of renal disease in our environment. Obtaining accurate data is hampered by the poor socioeconomic status of most patients with lack of access to specialized care in tertiary institutions, where most of the data is generated. The incidence of chronic renal failure (CRF) and end-stage renal disease (ESRD) in any specified area is known to be influenced by the prevalence of specific disease entities resulting in CRF. Hypertension, glomerulonephritis (GN), sickle cell disease, quartan malaria nephropathy, urinary tract schistosomiasis and other parasite-related forms of chronic GN are known to contribute significantly to the incidence of CRF in Nigeria. As is the situation in other parts of the world, diabetic nephropathy appears to be of increasing importance in the causation of ESRD in Nigeria. Even though the underlying cause of renal disease can often not be treated, extensive studies in experimental animals and preliminary studies in humans suggest that progression in chronic renal disease may largely be due to secondary factors, attention to which may be important in the prevention and/or control of renal disease.
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PMID:End-stage renal disease in Nigeria: an overview of the epidemiology and the pathogenetic mechanisms. 2191 52


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