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J Korean Soc Emerg Med > Volume 14(5); 2003 > Article
Journal of The Korean Society of Emergency Medicine 2003;14(5): 481-486.
Radiologic and Laboratory Characteristics of Acute Renal Infarction in the Emergency Department
Hoon Kim, Seung Ryu, In Sool Yoo
Department of Emergency Medicine, Chungnam National University, Daejeon, Korea. mdinsool@cnuh.co.kr
ABSTRACT
PURPOSE:
Renal infarction is one of the uncommon causes of acute abdominal pain, and it is often difficult to make a clinical diagnosis. This study was designed to investigate clinical predictors of the acute renal infarction and to suggest useful diagnostic tools to use in the emergency department(ED).
METHODS:
We reviewed medical records of the patients with a final diagnosis of acute renal infarction, which was confirmed by contrast-enhanced computed tomography (CT) scan or angiography of the abdomen between Jan. 1998 and Dec. 2000.
RESULTS:
Among 24 patients with acute nontraumatic renal infarction, 17 patients (71.0%) had a thromboembolic disease. A number of patients presented with nonspecific abdominal pain. 23 patients (95.8%) had elevated serum LDH after 24 hours of presention. On initial urinalysis, 75.0% of patients (18/24) showed hematuria.
CONCLUSION:
This study suggests that the patients with pain in the flank or the abdomen or the low back area should be performed a contrast-enhanced CT scan as soon as possible to rule out the possibility of acute renal infaction, especially when the patient has the high-risk triad of thromboembolism, elevated serum LDH, and hematuria.
Key words: Renal infarction, Contrast-enhanced CT
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