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Query: UMLS:C0034186 (pyelonephritis)
 6,144 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Diabetes mellitus is a prevalent disorder, well controlled in many persons with prolongation of life. Several radiologic manifestations are sufficiently specific to suggest a diagnosis in the unidentified patient, but even more important is an awareness of the sometimes life-threatening complications of diabetes which can be diagnosed from uroradiologic studies. We review the following urinary tract manifestations and complications of diabetes: pyelonephritis, perinephric abscess, renal papillary necrosis, emphysematous pyelonephritis, emphysematous cystitis, fungus infections, calcification of the vas deferens, seminal vesicle, and intrarenal branches of the renal artery, neuropathic bladder, and renal failure.
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PMID:Uroradiology of diabetes mellitus. 97 1

The nature of the original renal disease was determined in 403 consecutive cases of end-stage renal failure, in 317 of which the clinical diagnosis was corroborated by histological examination of the kidney. Five diseases accounted for 20 or more cases--glomerulonephritis (31% of the total), analgesic nephropathy (29%), primary vesicoureteral reflux (8%), essential hypertension (6%), and polycystic kidneys (5%). In only four cases did renal failure result from chronic pyelonephritis without a demonstrable primary cause. Greater use of micturating cystography and cystoscopy and routine urine testing for salicylate are advocated for earlier diagnosis of the major causes of "pyelonephritis". The incidence of end-stage renal failure in people aged 15-55 in New South Wales was estimated to be at least 34 new cases per million of total population each year.
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PMID:Diseases causing end-stage renal failure in New South Wales. 109 Mar 38

After serum creatinine levels exceeded 10mg/100ml, median survival was 55 days (to death or dialysis) in a group of 112 patients with chronic renal disease. Renal failure was partially reversible in 29 patients, partially accounting for prolonged survival. Those with polycystic kidneys, pyelonephritis, or obstructive nephropathy survived longer,partially because of more frequent reversibility and a slower increase in serum creatinine concentration. Kiabetic nephropathy, myelomatous kidneys, and amyloidosis were associated with shorter survival, less frequent reversibility, and more rapid progression. Urinary infection and extracellular volume depletion often accounted for partially reversible renal failure and prolonged survival. Blood pressure and age were not prognostic variables, while coexistent heart failure shortened survival. Survival correlated significantly with sodium excretion.
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PMID:Prognosis of chronic renal failure. II. Factors affecting survival. 114 31

A summary of pregnancy-developments of patients with polycystic disease of the kidneys is presented. The polycystic disease of the kidneys is a chronic progessive affection which takes both the kidneys in almost every case. The development of this disease can be divided in four stages. During the first, asymptomatic stage there is no disturbance of the pregnancy. In the second stage at the beginning of the decrease of the kidney-function therapy in pregnancy consists in confinement to bed and usual kidney-disease-diet. When complications as chronic recurrent pyelonephritis and hypertension rise and the final stage -- renal failure -- is achieved the pregnancy has to be finished as quick as possible in the early pregnancy by interruption and in the late pregnancy by sectio cesarian. Both methods should be followed by sterilisation of the patient.
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PMID:[Polycystic disease of the kidneys and pregnancy (author's transl)]. 115 20

Marked calcification in a horseshoe kidney of a Black patient in terminal renal failure is described. The role of pyelonephritis in producing the severe calcification in a horseshoe kidney is discussed. One of the complications of a horseshoe kidney is renal stone.
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PMID:Severe calcification in a horseshoe kidney. A case report. 117 29

The native kidneys in patients on dialysis or after transplantation tend to be overlooked until problems occur in relation to them. Their appearance can be variable and does not bear any consistent relationship to the cause of the renal failure; although in some cases, such as polycystic kidney disease, there are specific changes to be seen. Size can also be variable with little correlation to pathology in most cases. Acquired cystic disease of the kidneys is seen in up to 92% of long-term dialysis patients and also can be seen in patients with chronic renal failure. Proliferative changes occur in the kidneys which result in the development of cysts, adenomas and, in approximately 1% to 2% of dialysis patients, malignant lesions. It is probable that these changes are caused by a combination of factors, including circulating agents which are not cleared adequately by dialysis. There is some evidence that these changes are halted, or even reversed following a successful transplant. Problems with infection and hemorrhage may occur in patients with polycystic kidney disease. Problems with infection may also occur in patients with calculi, with longstanding pyelonephritis, or reflux.
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PMID:Ultrasonography of the native kidney in dialysis and transplant patients. 132 26

Acute renal failure is a rare complication of acute pyelonephritis in patients who do not have urinary obstruction. Although urinary tract infections are common in adults, pyelonephritis is rarely considered in the differential diagnosis of acute renal failure nor is renal failure considered a likely consequence of bacteriuria. In this review, the cases of acute renal failure caused by acute pyelonephritis that have been reported in the last quarter century are examined. Including two new cases reported, only 12 cases of acute pyelonephritis resulting in acute renal failure were found. Three of these occurred in patients with a solitary kidney. All cases occurred in individuals who had no history of urinary tract infections, and all were caused by Escherichia coli. In several cases, the administration of non-steroidal antiinflammatory drugs contributed to disease. Three cases occurred after catheter-acquired bacteriuria. Acute renal failure is an uncommon but serious consequence of uncomplicated acute pyelonephritis in adults.
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PMID:Acute renal failure in adults with uncomplicated acute pyelonephritis: case reports and review. 157 39

The urinary bladder of 10 clinically normal dogs was excised and the ureters were implanted into an isolated, vagotomized gastric segment derived from the fundic region of the stomach. The gastric segment was closed to form a conduit. Continence was maintained with a modified Kock "nipple valve" created from an isolated segment of ileum. Four dogs were euthanatized by day 30 because of complications related to the early onset of renal failure and electrolyte alterations. Six dogs were euthanatized on day 150. Ureteral dilatation, hydronephrosis, and decreased endogenous creatinine clearance rates were measured in all dogs at the end of the survival period. Pyelonephritis was diagnosed histologically in seven dogs. Positive renal cultures were obtained from seven dogs at necropsy. It was concluded that gastric conduit urinary diversion is unsatisfactory for long-term or short-term clinical use in dogs.
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PMID:Gastric conduit urinary diversion in normal dogs. Part I, Upper urinary tract structure, function, and sepsis. 158 54

Reflux nephropathy is characterized by the presence at radiological examination of one or several segmental scars in the renal parenchyma, associated with vesico-ureteral reflux. Histology displays a variety of lesions, among which chronic and atrophic pyelonephritis, segmental hypoplasia and renal dysplasia can be individualized. Most of these renal lesions can be prevented by early detection of the reflux which encourages the development and recurrence of urinary tract infection and its diffusion to the upper urinary tract and the kidneys. The finding of a vesico-ureteral reflux with renal lesions, even after spontaneous or surgical regression of this reflux, requires prolonged surveillance in view of the long-term risk of arterial hypertension and renal failure.
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PMID:[Reflux nephropathy]. 160 64

The clinical course of 138 children who underwent unilateral nephrectomy and had a normal contralateral kidney at the time of nephrectomy was reviewed. The diagnosis leading to nephrectomy included obstructive uropathy in 46% of the cases, reflux or pyelonephritis in 30%, Wilms tumor in 15%, hypertension in 4%, dysplastic kidney in 2% and trauma in 2%. Mean age at nephrectomy was 7.3 years and median followup was 24.7 years. Of the 138 patients 121 (88%) are well and 17 died, including 14 secondary to metastatic Wilms tumor and 1 of renal failure. Survival of nonWilms tumor patients was similar to that of an age-matched control group. In 30 patients 24-hour creatinine clearance and 24-hour urinary protein excretion were measured. Proteinuria (greater than 150 mg./24 hours) was found in 8 of the 30 patients (27%) (p less than 0.001), renal insufficiency developed in 9 (30%) (p less than 0.0001) and hypertension occurred in 10% (p greater than 0.10). Children with an acquired solitary kidney are at increased risk for proteinuria and renal insufficiency.
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PMID:Prognosis of children with solitary kidney after unilateral nephrectomy. 164 May 59


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