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Query: UMLS:C0085693 (acute appendicitis)
 3,606 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Three children treated for appendicitis developed anuria and acute renal insufficiency several days after appendicectomy. Associated hydronephrosis or hydroureters were present in two. At cystoscopy, marked swelling of the trigonum and ureteric orifices was seen. One patient developed unilateral acute tubular necrosis, a complication not reported before. Recognition of this rare complication of acute appendicitis, which need not be accompanied by hydronephrosis, should lead to prompt decompression by the introduction of ureteric stents.
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PMID:A rare complication of acute appendicitis: complete bilateral distal ureteral obstruction. 798 Jul 94

The development of anuria after appendectomy is usually related to complications associated with appendicitis or with the surgical sequelae of appendectomy. We report an unusual case of anuria after appendectomy in a 20-year-old woman. The patient was transferred to our hospital due to a sudden cessation of urine output just after appendectomy. We initially suspected that the anuria was caused by a complication of surgery. However, a review of her medical history and an abdominal computed tomography (CT) scan revealed that a distal ureteral stone in a single kidney had caused the anuria. There are few cases in the literature regarding a distal ureteral stone in a single kidney. This case indicates the importance of radiological evaluation in the differential diagnosis of acute appendicitis, especially in patients with unilateral renal agenesis.
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PMID:Development of anuria after appendectomy in a patient with a distal ureteral stone in a single kidney. 1732 59

Gastroenteritis due to Escherichia coli O157:H7 occurs in young children and is associated with consumption of under cooked beef. Approximately 5-10% of patients will develop hemolytic uremic syndrome (HUS): renal failure, microangiopathic hemolytic anemia, and thrombocytopenia. A 6-year-old boy was admitted with abdominal pain, guaiac positive stool, decreased urine output and elevated creatinine levels. Hemodialysis was initiated upon rapid progression to anuria. On hospital day # 5 he developed acute abdominal pain, which was different from his initial assessment. Exam revealed focal tenderness in the right lower quadrant with localized guarding and rebound. Ultrasound demonstrated a dilated, fluid filled tubular structure in the RLQ concerning for appendicitis. Based on these findings the patient was taken to the operating room for a laparoscopic appendectomy. The patient had undergone dialysis the previous day and was preoperatively treated with DDAVP to minimize the risk of bleeding. The procedure occurred without complication and final pathology confirmed acute appendicitis. This case highlights the unique clinical scenario in which patients with HUS require operative intervention. Surgical procedures can be performed on these patients, however, all precautions should be taken to minimize the risk of bleeding, including the use of preoperative DDAVP.
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PMID:Acute appendicitis in a patient with hemolytic uremic syndrome: an unusual clinical scenario. 1741 Mar 68

Bilateral acalculus ureteric obstruction is described as rare sequelae of acute appendicitis in two paediatric patients aged 6 and 11 years presented with features of anuria. Imaging and endoscopic evaluation confirmed bilateral ureteric obstruction secondary to bladder wall oedema as an inflammatory reaction to appendix. Both cases recovered following bilateral ureteric stenting and are doing well.
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PMID:Post appendectomy acalculus bilateral ureteric obstruction: a rare entity in children. 2446 92

The differential diagnosis of anuria in emergency department (ED) is broad. Secondary to intraabdominal mass pressure or infections, symptoms of micturation difficulties or disuria accompanying to back pain may arise with the interruption of sacral nerve stimulation. Here, we report a patient who admitted to ED with back pain and anuria and diagnosed acute appendicitis (AA) after advanced investigation despite of not to have any abdominal pain. A 36-year-old man admitted to our ED with a 6-h history of back pain and urination difficulty. 750mL of clear urine output was observed after bladder catheterization. Abdominal computerized tomography with intravenous contrast was used and revealed acute appendicitis. The patient consulted with a general surgeon and hospitalized for operation. After the operation, back pain was disappeared, and spontaneous micturition was seen. This case not only represents an uncommon manifestation of AA, but also alerts us to the importance of anatomical considerations when interpreting disease extent with imaging. In the differential diagnosis of back pain and urination difficulty, the rare possibility of AA should be taken into account. Because the presence of unusual findings, such as those associated with the urinary tract or lumbosacral pathologies, may further obscure the diagnosis and delay appropriate therapy.
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PMID:Different manifestation of a familiar diagnosis: From anuria to acute appendicitis. 2951 Sep 13