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Clinical Feature and Prognostic Factors of Emphysematous Pyelonephritis
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Won Soek Yang, Won Young Kim, Chang Hwan Sohn, Dong Woo Seo, Jae Ho Lee, Won Kim, Kyoung Soo Lim
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Korean J Crit Care Med. 2012;27(2):89-93.
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DOI: https://doi.org/10.4266/kjccm.2012.27.2.89
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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 university-affiliated, 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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Citations
Citations to this article as recorded by  - Analysis of Kidney Computed Tomographic Findings in Patients with Acute Pyelonephritis and Septic Shock
Soonseong Kwon, Sangchan Jin, Wooik Choi, Sungjin Kim
Korean Journal of Critical Care Medicine.2013; 28(4): 272. CrossRef
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