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At least 883 records · Page 49Linked to original sources
PubMed1981

Interstitial nephritis caused by methicillin. Studies in a case complicating staphylococcal sepsis with acute glomerulonephritis.

A 16-year-old student was admitted with acute, oliguric renal failure complicating staphylococcal sepsis. During treatment with methicillin drug hypersensitivity was suspected, and antibiotic was changed to vancomycin; by day 19 hemodialysis was discontinued. Renal biopsy showed two pathologic processes: acute exudative glomerulonephritis and widespread tubulointerstitial nephritis. In addition to glomerular immunoglobulin and C'3 deposits, interstitial and focal tubular basement membrane deposits of IgG were seen. Antiserum to DPO (methicillin) haptens localized apparently to the same tubular sites, as did fluorescein-conjugated antibodies from the patient's serum. The data suggest that interstitial nephritis was caused by serum antibodies to methicillin which bound to sites in renal tubules to which methicillin also had fixed. The acute tubulointerstitial nephritis complicated acute oliguric glomerulonephritis of staphylococcal sepsis.

Adolescent↗
PubMed2005

Isolated sarcoid granulomatous interstitial nephritis responding to infliximab therapy.

Sarcoidosis is a systemic disease with multiorgan involvement. In children, renal impairment of sarcoidosis usually is caused by either hypercalcemia leading to nephrocalcinosis or interstitial nephritis with or without granulomata. We report the case of a 13-year-old boy presenting with severe arterial hypertension and acute renal failure caused by an isolated sarcoid granulomatous interstitial nephritis (GIN). Other known causes of GIN, eg, drug intake or fungal or mycobacterial infection, were excluded, and there was no evidence of extrarenal sarcoid involvement. Renal function improved initially with prednisone treatment. Blood pressure was controlled using ramipril, nifedipine, furosemide, dihydralazine, and metoprolol. Later, the patient showed signs of severe steroid toxicity and progressive renal failure. Monthly treatment with infliximab, a tumor necrosis factor-alpha antibody, was started, resulting in steady improvement in renal function and resolution of renal granulomata. In addition, antihypertensive medication could be reduced, and low-dose prednisone therapy was maintained. To our knowledge, this is the first report of successful treatment with infliximab of a patient with sarcoid GIN.

Adolescent↗
PubMed1985

Ampicillin-induced interstitial nephritis with generalised exfoliative dermatitis.

Drug induced renal failure is a serious, potentially, fatal illness that is preventable. Hypersensitivity reactions involving the kidneys can occur with any of the penicillin groups. However, there are few reports in the literature of ampicillin as a cause of acute interstitial nephritis. In the following case report, a patient developed acute interstitial nephritis with renal failure and exfoliative dermatitis following ampicillin therapy. The diagnosis was based on the rapid onset of renal failure, presence of eosinophilia, skin rash, and characteristic renal biopsy finding, following the administration of ampicillin. Renal function returned to normal eventually, but she continued to have relapses of exfoliative dermatitis up to a year later.

Acute Kidney Injury↗
PubMed1984

Idiopathic acute interstitial nephritis: characterization of the infiltrating cells in the renal interstitium as T helper lymphocytes.

A previously healthy 39-year-old man presented with acute renal failure. There was no history of exposure to drugs nor was there any infection. Renal biopsy revealed interstitial nephritis with extensive acute degenerative changes in the tubules and extensive interstitial infiltration with mononuclear cells and no eosinophils. Monoclonal antibody staining studies identified the cells in the renal interstitium to be a helper/inducer subset of T lymphocytes. We suggest that a delayed hypersensitivity mechanism played a pathogenetic role in this patient's idiopathic acute interstitial nephritis.

Acute Kidney Injury↗
PubMed1999

Granulomatous interstitial nephritis in extrapulmonary sarcoidosis.

Sarcoidosis is a multisystem disorder in which the lungs or intrathoracic lymph nodes are involved in more than 90% of patients with the disease. It occasionally involves kidneys most commonly due to disordered calcium metabolism. Granulomatous interstitial nephritis is a distinct renal pathology in sarcoidosis. Renal dysfunction due to granulomatous interstitial nephritis is rare. We recently encountered a sarcoidosis patient without hypercalcemia and any evidence of pulmonary involvement which is distinctly unusual.

Biopsy↗
PubMed2004

Acute interstitial nephritis associated with atazanavir, a new protease inhibitor.

Atazanavir is a new human immunodeficiency virus 1 protease inhibitor that has a favorable side-effect profile and is available in once-daily dosing. We report the case of a young man with human immunodeficiency virus infection who developed acute renal failure after therapy with this drug. Renal biopsy showed acute interstitial nephritis. This is the first report of acute interstitial nephritis from atazanavir.

Acute Disease↗
PubMed1999

[A case of interstitial nephritis induced by a super antigen produced by methicillin-resistant Staphylococcus aureus (MRSA) presenting as acute renal failure].

We report the case of a 21-year-old man who had been developing acute renal failure with Methicillin-resistant Staphylococcus aureus (MRSA) colitis and sepsis. He was admitted for consciousness disturbance, nausea, vomiting, and diarrhea. Oliguria was also observed and his serum creatinine level was elevated to 10 mg/dl. Urinary protein was positive and an abundance of hyaline cast were seen in urinary sedimentation. Diarrhea and pyrexia were prolonged and serum C-reactive proteins were elevated, but lymphocyte and leukocyte counts temporarily decreased from the 3rd to the 6th hospital day and remained low until normalizing after the 14th day. His clinical symptoms improved with hemodialysis (HD) and effective antibiotic therapies. An MRSA strain producing toxic shock syndrome toxin-1 (TSST-1), a super antigen which specifically stimulates human V beta 2-positive T cells, was separated from his feces and blood. To ascertain the cause of his renal dysfunction, a renal biopsy was performed on the 8th day. His renal histology revealed acute interstitial nephritis with severe inflammatory cell infiltration around the medullary areas without glomerular changes. Most of the infiltrated cells were small monocytes, and lymphoid cells were rich in the interstitium. With immunohistochemical staining, over 70% of T-cells were V beta 2-positive. TSST-1-producing MRSA was detected in his blood specimen. Furthermore, V beta 2-positive T cells were accumulated in the renal intersititium, and transient lymphocytopenia was observed. These data suggested the following possible pathogenesis for interstitial nephritis: TSST-1 acts as a super antigen in the renal interstitium where major histocompatibility complex (MHC) is class-2-positive, thereby resulting in interstitial nephritis with T cell migration.

Acute Kidney Injury↗
PubMed1998

Wegener's granulomatosis in a patient with apparent drug-induced acute interstitial nephritis.

We describe a patient whose clinical presentation was suggestive of drug-induced acute interstitial nephritis (AIN). A renal biopsy and serologic testing led instead to the diagnosis of Wegener's granulomatosis (WG) with necrotizing crescentic glomerulonephritis. Treatment with corticosteroids and cyclophosphamide resulted initially in complete recovery of renal function, and an exacerbation of acute renal failure after doses of these agents had been tapered responded to resumption of the original regimen. We report this case to emphasize the potentially identical presentations of AIN and WG. Since the two conditions are treated differently, we suggest that the diagnosis of AIN should be accepted only after biopsy confirmation.

Acute Disease↗
PubMed1985

Acute interstitial nephritis associated with mezlocillin, nafcillin, and gentamicin treatment for Pseudomonas infection.

Two patients developed acute interstitial nephritis (AIN) following treatment with mezlocillin sodium. Diagnosis was made by renal biopsy. Gallium 67 citrate scanning was abnormal in both. All patients were receiving multiple-drug therapy, but AIN has either not been described with the other drugs, or the temporal relationship between the AIN and termination of other drug therapy makes a causative relationship unlikely. All were infected with Pseudomonas aeruginosa. A role for the infecting organism or drug synergism in contributing to the renal disease cannot be excluded.

Acute Disease↗
PubMed1994

[Bilateral intermediate uveitis and acute interstitial nephritis (TINU syndrome). Ultrasonographic documentation of a case].

Clinical features and natural course of acute interstitial nephritis and uveitis (TINU Syndrome) in a 9 years old boy are reported. The patient's ocular symptoms began seven month after the renal disease was diagnosed. Intermediate uveitis was present bilaterally with vitreous infiltration. Optic disc drusen were documented by echography. An immunological disorder causing the syndrome is most likely, as some laboratory data demonstrate. No systemic or infectious diseases were found in our case but an etiology to drugs considered likely.

Acute Disease↗
PubMed2000

Rapidly progressive fibrosing interstitial nephritis associated with Chinese herbal drugs.

Rapidly progressive fibrosing interstitial nephritis after a slimming regimen containing aristolochic acid has been identified as Chinese herbs nephropathy (CHNP). From 1995 to 1998, we observed 12 Chinese people from different areas of Taiwan who underwent renal biopsy for unexplained renal failure. Medical history gave no clue to the causes of impaired renal function except for the ingestion of traditional Chinese herbs. Although these patients ingested herbal drugs from various sources for different purposes, their renal biopsy samples showed amazingly similar histological findings, with extensive hypocellular interstitial fibrosis and atrophy and loss of tubules in all cases. Glomeruli were apparently intact. They also had similar clinical features, such as normal or mildly elevated blood pressure, early and severe anemia, low-grade proteinuria, glycosuria, and insignificant urinary sediments. Renal function deteriorated rapidly in most patients despite discontinuation of the herbal medicines. Seven patients underwent dialysis, and the remainder experienced slowly progressive renal failure. Bladder carcinoma was found in one patient. Morphologically and clinically, the nephropathy in our patients was similar to CHNP, reported in Belgium. Because of the complexity and unknown types of herbs used in different clinical situations, unidentified phytotoxins other than aristolochic acid might be responsible for this unique disease entity. We conclude that the relation of this nephropathy to the consumption of Chinese herbs is striking. Using uncontrolled herbal remedies carries a high risk for developing interstitial renal fibrosis and urothelial malignancy.

Adult↗
PubMed1992

[A case of granulomatous interstitial nephritis presented reversible renal failure treated with the steroid therapy: repeated renal biopsy case].

This report describes clinical and histopathological findings of a case of a 43-year-old male with granulomatous interstitial nephritis. The patient developed renal failure following renal insufficiency of 4 months duration. The patient presented with lethargy and nocturia. The first renal biopsy revealed granulomatous interstitial nephritis. There was no apparent evidence of a systemic granulomatous disease or drug hypersensitivity. Therapy with reducing regime of prednisolone produced a marked improvement in symptoms and renal function. Relapse occurred 3 months later in association with early discontinuation of the corticosteroid therapy. Ga-scintigraphy demonstrated an abnormal accumulation of gallium in both kidneys. The second renal biopsy did not show the obvious improvement. With the re-administration of the corticosteroid therapy, renal function rapidly improved again. Twelve months after the re-administration of the steroid therapy, Ga-scintigraphy showed no renal uptake. Corticosteroid therapy yielded a favorable outcome for renal function. The third renal biopsy showed disappearance of the granulomas lesion. Re-administration of the corticosteroid therapy continued for 22 months and the patient has not yet relapsed 9 months after the withdrawal of the steroid therapy.

Acute Kidney Injury↗
PubMed1997

Acute interstitial nephritis associated with IgA nephropathy in children.

IgA nephropathy (IgAN) is a relatively common glomerulopathy in children and adolescents. The etiology of this disease is uncertain. We previously reported a child with IgAN who developed acute interstitial nephritis. We now describe three pediatric patients, including the index case, who had IgAN and who developed concomitant acute interstitial nephritis in association with renal functional impairment. We suggest that this histopathological lesion be considered in any child with IgAN and unexpectedly severe kidney dysfunction.

Acute Disease↗
PubMed2001

Ranitidine-induced acute interstitial nephritis in a cadaveric renal allograft.

Ranitidine frequently is used for preventing peptic ulceration after renal transplantation. This drug occasionally has been associated with acute interstitial nephritis in native kidneys. There are no similar reports with renal transplantation. We report a case of ranitidine-induced acute interstitial nephritis in a recipient of a cadaveric renal allograft presenting with acute allograft dysfunction within 48 hours of exposure to the drug. The biopsy specimen showed pathognomonic features, including eosinophilic infiltration of the interstitial compartment. Allograft function improved rapidly and returned to baseline after stopping the drug.

Acute Disease↗
PubMed1976

Canine leptospirosis: an immunopathological study of interstitial nephritis due to Leptospira canicola.

In an attempt to define the pathogenetic mechanisms involved in acute interstitial nephritis due to Leptospira canicola the kidneys of 14 dogs were subjected to histological immunofluorescence and elution studies. Leptospiral antigen was found in three sites within the kidney; as discrete organisms in the proximal tubules, as granular deposits in the cytoplasm of macrophages and in large extracellular clumps in the interstitium. Deposits of IgG were also detected in the latter site and in plasma cells found in the surrounding cellular infiltrate. Anti-leptospiral antibody, mainly of the IgG class, was detected in renal eluates using both agglutination-lysis and indirect immunofluorescence. From these findings it was considered that the cellular infiltrates found in the kidneys of dogs suffering from acute leptospiral nephritis have two main functions; firstly, the local production of anti-leptospiral antibody and, secondly, phagocytosis.

Animals↗
PubMed1978

Diphenylhydantoin interstitial nephritis. Roles of cellular and humoral immunologic injury.

A child with diphenylhydantoin hypersensitivity developed an associated interstitial nephritis. Circulating autoantibody of the IgG class which reacted with normal human tubular basement membrane was linearly deposited along host renal TBM. Cell-mediated immunity to the DPH antigen was also present. In addition, deposits of DPH were demonstrated along the renal TBM. It is suggested that initial alteration of host renal TBM by DPH deposition with secondary immune injury directed at the DPH-TBM antigen may have altered the TBM or uncovered new antigenic sites, rendering it susceptible to further injury on an autoimmune basis.

Autoantibodies↗
PubMed1986

[Acute granulomatous interstitial nephritis and hepatitis caused by drugs. Possible role of an allopurinol-furosemide combination].

Acute granulomatous interstitial nephritis and acute granulomatous hepatitis were simultaneously observed in the same patient. Clinical and anamnestic arguments suggest that allopurinol could be responsible for this double localization, but a possible part played by furosemide cannot be excluded. The patient spontaneously recovered without corticosteroid therapy. Such an acute drug induced association did not have been proved so far.

Acute Disease↗