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 52,417 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A patient with congenital generalized lipodystrophy developed nephrotic syndrome with progressive renal glomerulosclerosis attributed to diabetic nephropathy. Renal transplantation was performed and the patient was discharged with normal renal function. Marked hyperlipidemia (17,500 mg/dl) persisted. One month later renal malfunction developed, and an open renal biopsy was performed when there was no response to antirejection therapy. Massive lipid deposition in renal tubular cells with tubular necrosis and hemorrhage was present but only minimal evidence of graft rejection. Rejection therapy was tapered and renal function stabilized. Death occurred 2 months later because of pulmonary sepsis. Patients with generalized lipodystrophy and severe hyperlipidemia may be at an unusually high risk for renal homograft destruction.
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PMID:Renal transplantation in a patient with lipoatrophic diabetes. A case report. 36 May 16

Non-tumorous pathological changes in C57BL/6 CrSlc mice, which were reared under a barrier system and died spontaneously, were examined. At 3 months intervals 125 to 209 mice were purchased at 4 weeks of age and raised for the supply of aged animals. A large portion of the mice were used for various experiments between 3 and 30 months of age, while not a small number died spontaneously and were autopsied. The major non-neoplastic lesion was amyloidosis, with incidence of 55.5% and 74.4% for the autopsied female and male, respectively. The organs involved were the liver, kidneys, spleen, adrenal glands, ileum, heart and lungs. Skin ulceration and its scar, cerebral vascular calcification, glomerulosclerosis and sepsis in both sexes, distension of the seminal vesicles in males, fibroblast growth of the adrenal glands in females were commonly found. Incidence of spontaneous neoplastic lesions was 69.7% and 55.1% for the female and male, respectively.
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PMID:[Age-related non-tumorous lesions in SPF C57BL/6 mice with special reference to amyloidosis]. 138 88

Several renal and renal-related disturbances have been described in patients with AIDS (acquired immune deficiency syndrome), in adults and children as well. These are mainly electrolyte and acid-base imbalance, acute renal failure and nephrotic syndrome. The latter is usually steroid non-responder. The renal histopathological lesions described more commonly are minimal change, mesangial hyperplasia and focal segmental glomerulosclerosis. Herein, we describe a 5 year-old with AIDS, that developed nephrotic syndrome, characterized by edema, ascites, hypoalbuminemia and massive proteinuria. A percutaneous renal biopsy showed mesangial proliferation. She did not respond to a 6 week treatment with prednisone. She died with sepsis after several viral and bacterial infections.
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PMID:[Nephrotic syndrome associated with AIDS in children]. 138 85

As newer treatment modalities become available for patients with severe lupus nephritis, it becomes increasingly important to identify patients at risk for renal failure. In this study, the records of 90 children presenting with systemic lupus erythematosus over a 13-year period were reviewed. Nineteen were lost to follow-up prior to completion of the study. Of the 71 remaining children, 16 (22%) progressed to chronic renal failure. Persistent hypertension lasting greater than 4 months, anemia, abnormalities of the urinalysis, and elevated serum creatinine level were significantly associated with progression to renal failure. Sex, race, age, abnormalities of creatinine clearance, and 24-hour urine protein collection were not associated with progression to renal failure. Renal biopsies were obtained in 45 children. Biopsies were initially classified according to World Health Organization criteria. Diffuse proliferative glomerulonephritis was significantly associated with progression to renal failure. The 45 biopsies available were reviewed by one of the authors and categorized by activity and chronicity indices. Both the active lesions of fibrinoid necrosis, synechiae, tubular casts, and vasculitic lesions and the chronic lesion of glomerular sclerosis correlated with progression to renal failure. Of the 16 children who progressed to renal failure, 2 had cadaver kidney transplants and are well 5 years posttransplant; 4 had fulminant lupus and died within 1 month of commencing dialysis; 10 began chronic dialysis. Five of the 10 children on chronic dialysis died from sepsis. These data suggest that children with systemic lupus erythematosus who undergo dialysis do poorly.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Lupus nephritis: prognostic factors in children. 140 32

This article has provided an overview of the effects of HIV on renal function. Most transmission of the virus occurs by sexual, blood, and perinatal contact. CD-4 positive cells, especially those that are integral components of the immune system, serve as the reservoir for the reproduction of the virus. The resulting effect is destruction of the immune system with eventual multisystem failure and death. Renal complications arise from several factors, notably the compounding effects of chronic dehydration, malnutrition, infection, and use of nephrotic agents. Acute renal complication can be reversible with prompt assessment, and management directed at maintaining hydration, preventing sepsis, and carefully monitoring drugs. A chronic, irreversible renal disease in HIV is due, in large part, to a syndrome known as AIDS nephropathy, characterized by glomerular sclerosis and nephrotic-type symptoms, which ultimately lead to the need for dialysis. Aids nephropathy is seen most often in intravenous drug users, Haitians, and blacks with HIV. End-stage disease complicates the course of HIV and contributes to early mortality. A small, but significant number of renal patients acquires HIV infection as a result of multiple blood transfusions or through organ donation. Concentrated exposure to blood and body fluid during dialysis necessitates implementation of meticulous infection control procedures to protect both staff and patients. Guidelines by the CDC suggest that universal precautions adequate to prevent the spread of hepatitis B will suffice for HIV as well. HIV infection presents special challenges for those involved with renal management. Prevention and management of renal complication are made possible by thorough understanding of the complex network and interaction of the disease process.
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PMID:Renal system complications in HIV infection. 219 22

The Dialysis Centre at the Lagos University Teaching Hospital became operational in November 1981 and caters for acute haemodialysis, chronic maintenance haemodialysis and continuous arteriovenous haemofiltration. In the past 5 years, over 600 patients had presented out of whom 245 could be accommodated within the realities of available facilities and patients' financial status. Of the 245 patients, 25 were discharged against medical advice and five were transferred to hospitals abroad but did not survive. There were 117 patients in end-stage renal failure (ESRF), 75 males, 42 females, ratio M:F 1.8:1, age range 13-69 years, mean 37.5. There were 51 males and 47 females in acute renal failure (ARF), ratio 1.1:1, age range 13-76 years, mean age 32.3 (Table 1). All patients in ESRF had moderate to severe hypertension (diastolic pressure of greater than or equal to 120 mmHg or 22.1 kPa) and a creatinine clearance of less than or equal to 5 ml/min and about 75% had established cardiac decompensation. Full pertinent investigations were precluded or contra-indicated in most patients in ESRF because of late presentation. In only 13 patients was renal biopsy performed and the pathohistologies were end stage renal disease (8), chronic glomerulonephritis (4) and glomerulosclerosis (1). In ARF the cause of the renal damage was multifactorial in 66.7%, with sepsis being the direct cause of death in 60.0%. The commonest conditions were septicaemia (61.4%), nephrotoxin (17.2%), trauma (31.3%), septic abortion (33.3%) and toxaemia of pregnancy (29.0%) (Table 2). The dialysis associated complications which were encountered included shunt infection (7%), burst membrane (9%), suspected pyrogen reaction (5.6%) and femoral vein perforation (0.9%).(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Five years experience of haemodialysis at the Lagos University Teaching Hospital--November 1981 to November 1986. 255 Nov 60

Twenty-seven patients with renal vein thrombosis were retrospectively studied to evaluate their long-term prognosis and relevant prognostic factors. Twenty-four patients presented with a nephrotic syndrome, and 15 had renal impairment (8 acute; 7 moderate). Ten patients had a previous history of proteinuria, and 14 of nephrotic syndrome. Renal biopsy performed in 20 patients, of whom 19 were nephrotic, showed membranous glomerulonephritis in 14, focal segmental glomerulosclerosis in three, minimal change glomerulonephritis in two, and periarteritis nodosa in one. Renal vein thrombosis was angiographically proven in all patients and was bilateral in 18, localised to the left renal vein in seven, and to the right in two. Thrombosis of the inferior vena cava was associated in seven patients. Ten patients were treated by anticoagulants alone, nine by surgical thrombectomy, seven by thrombolysis, and two did not receive any specific treatment. One patient underwent successively thrombectomy and then thrombolysis. Eleven patients died within the first 6 months, mainly from haemorrhagic complications (n = 5) or severe sepsis (n = 2). Survivors were followed up from 6 months to 19 years. Nephrotic syndrome improved or even disappeared in 12 patients, and renal function did not worsen throughout the follow-up in any patients. The main prognostic factors were initial renal function and type of nephropathy: patients with membranous glomerulonephritis had a significantly better renal function and a lower mortality rate than patients with other nephropathies. Initial renal insufficiency was significantly associated with a poor prognosis. There was no advantage, in terms of survival, kidney function and nephrotic syndrome, of either thrombectomy or thrombolysis over anticoagulants alone, despite two complete venous recanalisations after thrombolysis. Accordingly, patients with renal vein thrombosis from membranous glomerulonephritis should be treated by anticoagulants alone, since the long-term prognosis of this disease seems unaffected by intercurrent renal vein thrombosis. With respects to the risk-to-benefit ratio, thrombectomy should be avoided and thrombolysis considered only in patients with initial acute renal failure from acute renal vein thrombosis.
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PMID:The prognosis of renal vein thrombosis: a re-evaluation of 27 cases. 314 96

In an attempt to recognize early stages of focal segmental glomerulosclerosis (FSGS) in patients with a clinical course suggesting a diagnosis other than minimal change disease (MCD) and normal histology, or minor, nondiagnostic changes on light microscopy (LM), we used a protocol for systematic and extensive electron microscopy (EM) examination of kidney biopsies obtained from such patients. By this method ultrastructural pathology was found in 8 patients. These changes were localized, involving only portions of single glomerular segments. The findings included mild to moderate increase of the mesangial matrix, focal wrinkling of the capillary basement membrane, and early obliteration of the normal architecture of individual capillary loops, as well as electron-dense deposits in a mesangial and subendothelial distribution. Of these 8 patients, 2 are at present in remission without therapy (in 1, following therapy with cyclophosphamide); 3 are in remission on steroid therapy; 1 developed massive proteinuria during pregnancy, after a spontaneous remission lasting almost 2 years; 1 patient advanced to terminal renal failure 3 1/2 years after biopsy; and 1 died of sepsis 1 month after biopsy. We believe that the ultrastructural changes found may represent early or mild FSGS and that the protocol described can add valuable information in clinically worrisome patients in whom renal histology appears normal.
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PMID:Ultrastructural changes suggestive of focal segmental glomerulosclerosis in atypical minimal change nephrotic syndrome. 335 70

The association of a spondyloepiphyseal dysplasia and disproportionate short stature with focal glomerular sclerosis is reported in two girls. Renal disease manifested by proteinuria at the age of 2.5 and 11 years, leading to treatment-resistant nephrotic syndrome over 15 and 45 months, respectively. One patient went into end-stage renal failure shortly after nephrotic syndrome developed, the other died from sepsis. The association of spondyloepiphyseal dysplasia and focal glomerular sclerosis with nephrotic syndrome may represent a distinct disease entity.
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PMID:Focal glomerular sclerosis and nephrotic syndrome in spondyloepiphyseal dysplasia. 813 43

We describe here the broad spectrum of acute renal insufficiency occurring in the course of human immunoinsufficiency virus infection. In our renal unit in Tenon hospital, 90 human immunoinsufficiency virus-infected adult patients were admitted for acute renal insufficiency between June 1988 and December 1996. Sixty out of them had a pathological diagnosis. The remaining patients did not have renal biopsy because of obstructive renal failure (n = 2), bleeding risk (n = 11), or clinically evident hypovolemic and/or sepsis-related acute tubular necrosis (n = 17). Nine different causes of acute renal insufficiency were listed. Human immunoinsufficiency virus-associated nephropathy, the most specific human immunoinsufficiency virus-related renal disease, which was diagnosed in 14 patients, is characterized by focal and segmental glomerulosclerosis with an important hyperplasia and/or proliferation of podocytes and huge tubular distension. The rapid progression to end-stage renal failure was not a constant feature since 10/14 patients had a partial renal recovery. Hemolytic-uremic syndrome was the other major cause of acute renal failure in these patients (32 cases) and was found to be associated with active cytomegalovirus infection. Cytomegalovirus-infected cells were present in half of the renal biopsies performed in this group of patients. Furthermore, these patients had an increased plasma tissue-type plasminogen activator activity whereas its type 1 inhibitor was not significantly increased, as opposed to non human immunoinsufficiency virus-associated hemolytic-uremic syndrome. Half of the patients had a complete renal recovery. The other causes of acute renal insufficiency were 1) intratubular deposition of either drugs (Adiazine, Foscavir, Indinavir) in 13 patients, or monoclonal light chain in one patient with B cell-lymphoma; 2) lupus-like glomerulonephritis characterized in one case by a complete clinical remission after 6 month-treatment by antiproteases; 3) acute tubular necrosis. In this setting, rhabdomyolysis could reveal HIV infection. The heterogeneity of renal diseases could be explained by the variation of human immunoinsufficiency virus-associated infections along time and by the different drugs which permit a better survival. We can hypothesize that new HIV-associated diseases will occur with the long term use of antiproteases.
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PMID:[Human immunodeficiency virus and acute renal insufficiency]. 961 98


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