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KMID : 0604020120270020089
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Korean Journal of Critical Care Medicine
2012 Volume.27 No. 2 p.89 ~ p.93
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Clinical Feature and Prognostic Factors of Emphysematous Pyelonephritis
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Yang Won-Seok
Kim Won-Young
Sohn Chang-Hwan
Seo Dong-Woo
Lee Jae-Ho
Kim Won
Lim Kyoung-Soo
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Abstract
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Background: Emphysematous pyelonephritis (EPN) is a rare and potentially life-threatening condition that requires prompt evaluation and management. However, its clinical presentation and outcomes vary widely. This study was conducted to ascertain the clinical features and prognostic factors regarding EPN.
Methods: All patients diagnosed with EPN radiologically and treated at the emergency department in the universityaffiliated, tertiary-referral center, from January 1999 to December 2009 were evaluated. The patients’ demographic and clinical characteristics, computed tomographic findings, treatment, and outcomes were analyzed retrospectively.
Results: Overall 14 patients diagnosed with EPN were admitted. There were 12 females and 2 males. A history of diabetes was found in 12 (85.7%) patients and was the most common comorbidity. The chief complaint among patients was flank pain (42.9%). Severe sepsis or septic shock was noted in 10 (71.4%) patients. Thirteen cases had unilateral involvement and one case had bilateral involvement. More than half of patients had Escherichia.coli in culture. Mean serum levels of HbA1c, creatinine, C-reactive protein (CRP) were 9.4 ± 2.7, 2.4 ± 1.4 mg/dl, and 22.4 ± 13.1 mg/dl. Eight (57.1%) patients received antibiotic treatment alone and four (28.6%) patients received the concurrent percutaneous drainage as well as antibiotics. Hospital mortality was 7.1%. A higher initial serum CRP level (20.3 vs. 49.8 mg/dl, p = 0.02) and HbA1c level (8.7 vs. 16.4, p = 0.01) was associated with hospital mortality.
Conclusions: Antibiotics alone provide a high success rate for the treatment of EPN. Higher serum CRP and HbA1c level was associated with a higher mortality rate in patients with EPN.
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KEYWORD
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computed tomography, diabetes mellitus, emphysematous pyelonephritis, outcome
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