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급성 신우신염 환자에서 패혈성 쇼크와 관련 있는 신장 전산화단층촬영 소견
권순성,진상찬,최우익,김성진 대한중환자의학회 2013 Acute and Critical Care Vol.28 No.4
Background: Clinical findings, medical history and laboratory findings in patients with acute pyelonephritis are insufficient to predict the occurrence of septic shock and to assess its severity and prognosis. Early imaging may not only aid in diagnosing acute pyelonephritis,but also help in assessing the risk factors associated with septic shock. Methods: In this retrospective study, we reviewed the medical records and collected the data of 200 patients from January to December,2011. All patients were over 18 years old; showed symptoms of fever, chills, muscle pain and flank pain; demonstrated more than 10white blood cells in urinalysis; and were diagnosed with acute pyelonephritis after computed tomography (CT) scan. Patients were classified into two groups: patients with septic shock (group 1) and patients without septic shock (group 2), and the clinical, laboratory and CT findings of the two groups were then compared. Results: Out of all 200 patients, there were 32 patients (16%) who had acute pyelonephritis with septic shock. The acute pyelonephritis with septic shock group (group 1) showed increased bacteremia compared with the other group (53.1% vs. 24.4%, p = 0.002). Laboratory findings showed that group 1 patients had higher serum creatinine (1.67 ± 1.03 mg/dl vs. 1.14 ± 0.98 mg/dl, p = 0.022)and hsCRP (8.36 ± 5.29 mg/dl vs. 5.27 ± 3.53 mg/dl, p = 0.000) than group 2 patients. The findings of kidney CT showed statistically significant differences in global renal enlargement (31.3% vs. 18.7%, p = 0.005), pelvicalyceal wall thickening (37.5% vs. 13.1%, p = 0.005) and poor excretion of contrast (25% vs. 2.4%, p = 0.000). The results of the logistic regression test showed that there were significant differences in bacteremia serum creatinine, C-reactive protein, pelvicalyceal wall thickening and poor excretion of contrast. Conclusions: Computed tomography can predict the possibility of septic shock by identifying the range of renal lesions in patients with acute pyelonephritis. It can therefore allow initial aggressive treatment that can contribute to decreases in mortality and morbidity in patients with acute pyelonephritis.
조경환,문상찬,윤석창,권승복,김도형,양일영 항공우주시스템공학회 2022 항공우주시스템공학회지 Vol.16 No.5
In this paper, we have obtained the acceleration coefficient of the IMU (Inertial Measurement Unit) to prove reliability by analyzing the characteristic of the MEMS IMU installed in guided weapon systems for overseas export and the operating environment of the guided weapon system. Additionally, based on designed life testing, we performed life tests on three the IMUs and demonstrated a target lifetime of 12 years.