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At least 73 records · Page 4Linked to original sources

An unusual case of anuria: spontaneous perirenal hematoma in a solitary kidney.

A 71-year-old woman with a solitary kidney who developed acute renal failure with anuria secondary to a spontaneous perirenal hematoma is described. Serum creatinine peaked at 335.9 micromol/L and BUN at 26.4 mmol/L, but neither surgery nor dialysis treatment was performed because renal function gradually improved. In this syndrome, first described by Wunderlich in 1856, anuria was not previously reported. Conservative management must always be considered rather than emergency surgery, which usually results in nephrectomy.

Acute Kidney Injury↗

Recovery after prolonged anuria following septic abortion.

After a criminal abortion, a 21-year-old woman developed clostridial sepsis, massive hemolysis, shock, and protracted renal failure. Anuria was present for 3 weeks and hemodialysis was required for 35 days. Because of the prolonged anuria, the patient was thought to have irreversible renal cortical necrosis. A renal biopsy demonstrated tubular necrosis only. Shortly after the biopsy procedure, urinary volumes began to increase, and renal function gradually returned to normal levels. This case demonstrates that a protracted course of renal failure following clostridial infection is not necessarily due to cortical necrosis but may result from tubular necrosis, and renal function may return to normal.

Abortion, Illegal↗

An unusual case of neonatal anuria.

Neonatal anuria is not an uncommon problem in neonates. Here, we report an unusual case of neonatal anuria due to renal tubular dysgenesis, secondary to the use of angiotensin converting enzyme inhibitor (ACEI) during pregnancy. ACEI remains one of the most commonly used antihypertensive drug at present. A greater awareness needs to be created in the medical fraternity especially among pediatricians, gynecologists and internists that ACE inhibitors should not be prescribed during any trimester of pregnancy.

Adult↗

[Percutaneous nephrostomy and emergency drainage in obstructive anuria].

Sonography seems in patients with acute renal failure a reliable method for diagnosing urinary tract obstruction, giving the kidney size and localizing the kidney for percutaneous drainage. Percutaneous nephrostomy is actually the best temporary derivation for patients with obstructive anuria before definitive treatment. 18 cases of obstructive anuria are reviewed. Urinary lithiasis is the main aetiology (13/18). 11 of our patient had undergone percutaneous nephrostomy as a first step of their treatment.

Acute Disease↗

[Significance of percutaneous nephrostomy in calculous anuria in children. Apropos of 3 cases].

Percutaneous nephrostomy is a new and very efficient technique of the drainage of the obstructed kidney. It is better indicated to treat obstructive anuria in the child especially if the obstructive agent is a bilateral stone. Having performed such method successively in 3 patients suffering of calculus anuria, the author tries to point out its advantages and review literature data. Thus, this technique allows prompt drainage of urine and removes emergency in case of infected intra-renal retention. It takes an important part in diagnosis by permitting dye injection in the drained upper urinary system. It could also inform about residual value of the desobstructed kidney and predict changes of its potential recovery. It represents lastly, a first step for in-situ treatment of the stone.

Anuria↗

Successful revascularization of an occluded renal artery after prolonged anuria.

Renal atherosclerosis and fibromuscular dysplasia are the most common causes of curable human renovascular hypertension and renal failure. Vascular reconstruction often preserves renal function, but renal failure is rarely reversed, especially after days of anuria. We report a case of a 23-year-old woman who as a child underwent a nephrectomy for congenital hydroureter and renal hypoplasia. She later experienced fibromuscular dysplasia of the remaining renal artery, which ultimately progressed to a complete occlusion and 31 days of total anuria. The patient was revascularized, and within 2 months renal function returned with a blood urea nitrogen and creatinine of 9.0 and 1.0 mg/dl, respectively. After a follow-up of 6 months the patient's blood pressure remained 120/80 to 130/80 mm Hg without administration of hypertension medication. In this report we emphasize that under selected circumstances a kidney can survive prolonged ischemia and that delayed revascularization may reestablish renal function.

Adult↗

[Anuria caused by tight stenosis of the renal arteries. 2 cases].

Two patients developed anuria associated with tight stenosis, though not complete obstruction, of the renal arteries. This rare and little known accident is found in atheromatous patients with severe arterial hypertension of renovascular origin. It usually occurs when blood pressure falls under the influence of a precipitating factor. Diagnosis rests on angiography. Diuresis is resumed immediately after surgical revascularization. The operation must be performed in every case, even after a long delay, since the kidneys remain viable for a long time due to the development of an extensive collateral circulation. Such anurias are particularly severe in patients with poor underlying condition and when vascular lesions are diffuse.

Acute Kidney Injury↗

[Prevention of anuria in uretero-sigmoidostomy without catheter].

The development of anuria following catheter-less uretero-sigmoidostomy performed between 1977 and 1982 has led to a modification of the intra-operative and post-operative intensive care. During the period 1983 to 1985, the systematic intra-operative administration of furosemide immediately after performing the uretero-colonic anastomosis, the use of intra- and post-operative filling with control of filling pressures by a pulmonary arterial catheter, resulting in considerable diuresis, have been able to prevent anuria following this type of surgery.

Anuria↗

[An old complication returns. Anuria caused by ureteral catheterization].

A case of secondary anuria following the insertion of a double pigtail stent to treat an anuria due to a tumoral obstruction of the ureter is presented. Washing of the stent through a second ureteral catheter parallel to it proved the patency of the stent. Diuresis ensued at last by the administration of diuretics and leaving both the stent and the ureteral catheter in place. The literature is reviewed and discussed.

Anuria↗

[Late anuria in rectosigmoid cancers].

The authors discuss nine cases of anuria by local recurrence after abdominoperineal resection for cancer of the rectosigmoid, with particular emphasis on the frequency, diagnosis, prognosis, and the different methods of treating this type of anuria. The placing of a Gibbons catheter between the renal pelvis and the bladder seems to be the most suitable.

Aged↗

A working model of the perfect osmometer hypothesis in anuria.

This communication contains a model describing osmotic phenomena that result from an osmotic disturbance (gain or loss of non-isotonic solutions from the extracellular compartment), if cells function as perfect osmometers. This model (a) predicts the changes in extracellular water and in solute concentration, if the magnitude of the disturbance is known; (b) computes the amount of a solution of a given osmolality necessary to create a desired change in extracellular water; (c) estimates, by osmometric calculations, initial extracellular and total body water; (d) estimates the 'new' solute that is created by anuria and by dilution of extracellular solute controlled by hormonal feedback. Anuria and extracellular expansion are experimental conditions usually accompanying the osmotic disturbance. The model is, therefore, suitable for precise in vivo studies of osmotic disturbances.

Animals↗

Prolonged anuria and aortic insufficiency in a child with Wegener's granulomatosis.

A 16 year-old boy developed generalized Wegener's granulomatosis with rapidly progressive renal insufficiency resulting in prolonged anuria. He was treated with cyclophosphamide, prednisone and anticoagulants, and was maintained on peritoneal dialysis for seven weeks, after which he regained a GFR of 35 ml/min. Recovery of renal function following prolonged anuria has not been previously reported in a child with Wegener's granulomatosis. The patient also developed aortic regurgitation, a cardiac lesion not previously described in this disorder.

Adolescent↗

[Anuria in the third trimester of pregnancy in a patient with renal transplant].

We present a pregnant patient with a transplanted kidney experiencing chronic rejection, with chronic kidney failure and arterial hypertension. During the third trimester the patient's kidney function deteriorated somewhat and hypertension worsened. In the thirty-second week of pregnancy uterine activity increased, fetal movement decreased and oliguria progressed rapidly to anuria, leading to an emergency cesarean section. Surgery was performed under epidural anesthesia; after removal of the fetus diuresis immediately began and was maintained. Both mother and infant recovered, but after three months the patient entered a hemodialysis program due to terminal kidney failure. The risk of acute kidney failure is greater in the parturient who has been the recipient of a transplanted kidney because of the functional overload that pregnancy involves, the possible exacerbation of acute or chronic rejection, and the higher incidence of pyelonephritis and preeclampsia. The extraperitoneal location of the transplanted organ in the iliac fossa may cause obstructive anuria. Our patient's recovery of diuresis immediately after removal of the fetus suggests that the excretory channel coming from the kidney was compressed by the uterus.

Acute Kidney Injury↗

[Calculous anuria. Apropos of 63 cases].

Sixty-three cases of anuria secondary to renal stones were treated in the Sfax urology department between 1982 and 1990. The presenting symptoms are frequently polymorphic and non-specific. The prognosis of these patients largely depends on the infectious complications associated with anuria, the delay in management and, most importantly, the course of preexisting renal failure. Fifteen deaths (24%) were observed in this series, despite emergency urinary diversion and appropriate treatment to eliminate the obstruction.

Acute Kidney Injury↗

[Anuria--a geriatric emergency situation].

The missing output of urine is an emergency case which is problematic with regard to old patients. This situation is caused by disturbances of renal function (anuria) or by acute ureteric obstruction or by complete ischuria. The possibilities of differential diagnosis and etiology have been illustrated. Anuria and acute ureteric obstruction need a treatment by urological or nephrological specialists, but each doctor must be able in cases of complete ischuria to empty the bladder by catheterization or by suprapubic puncture.

Anuria↗

[Unexpected anuria during Miles' operation in a renal-transplant patient].

We report a case of 33-yr-old-male after orthotopic renal transplantation 18 years ago, presenting with sudden anuria during Miles' operation. This anuria was caused by temporal compression of the transplanted kidney by retractor, neither by acute renal failure, the rejection nor the damage of the ureter by the surgical procedure. This case indicates that in the anesthetic management after renal transplantation, we have to be careful about renal dysfunction due to surgical procedure or positioning, in addition to side effects and pharmacokinetics of drugs used perioperatively.

Adult↗

Thrombosis of the renal artery of a small, solitary kidney: successful return of renal function after prolonged anuria.

In the presence of a single functioning kidney, renal artery obstruction produces anuria, which can require hemodialysis. If the problem is diagnosed immediately and surgical intervention is not delayed, revascularization of the ischemic kidney is usually successful. Few authors, however, have reported the return of function to a small solitary kidney after occlusion lasting longer than 2 hours. We describe a case that involved thrombosis of the renal artery to an 8-cm solitary kidney; a successful endarterectomy was performed 29 hours after the onset of anuria. This case shows that the reversibility of renal ischemia is not necessarily determined by either the duration of occlusion or the size of the affected kidney.

Journal Article↗

Anuria in a premature infant due to ureteropelvic fungal bezoars.

Systemic candidiasis with renal involvement is a well recognised complication of intensive care in premature newborns. However, the development of reversible obstructive oliguric acute renal failure has not been well documented. We report a premature infant who developed anuria associated with bilateral candidal bezoar formation in the renal collecting system. The sonographic appearance of the renal fungus balls is described. Treatment by surgical removal of the bezoars, open placement of nephrostomy tubes and intravenous antifungal therapy resulted in apparent complete recovery.

Amphotericin B↗