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J Korean Soc Emerg Med > Volume 18(5); 2007 > Article
Journal of The Korean Society of Emergency Medicine 2007;18(5): 429-433.
Usefulness of Ultrasonography as a Disposition Tool for Patients with Acute Flank Pain and Microscopic Hematuria in an Emergency Department
In Soo Kim, Sang Kyoon Han, Seung Ryu, Jin Woong Lee, Seung Whan Kim, In Sool Yoo, Yeon Ho You
1Department of Emergency Medicine, Chungnam National University College of Medicine, Korea. emfire@cnuh.co.kr
2Emergency Medical Information Center, in Daejeon, Korea.
To evaluate the usefulness of ultrasonography (US) as a disposition tool in emergency care centers for categorizing urolithiasis patients who present with acute flank pain and microscopic hematuria.
We enrolled patients who presented with acute flank pain and microscopic hematuria from January to August 2006 in the Emergency Care Center of Chungnam National University Hospital. We categorized patients into four groups according to their hydronephrosis and urinary complications, respectively, and retrospectively reviewed their charts relative to patients' disposition.
One hundred eighty-two patients met the criteria and were enrolled in the study. Patients who were classified as group D (without complication or hydronephrosis) had 100% negative predictive value for invasive procedures (ureteroscopy or double J catheterization), hospital admission, extracoporeal shock wave lithotripsy (ESWL), and prescription of antibiotics.
It is reasonable for emergency department residents to route patients without complication or hydronephrosis to the outpatient department after pain control and simple therapeutic education.
Key words: Ultrasonography, Urolithiasis, Hematuria, Flank pain
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