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Clinical Value of Procalcitonin in Patients with Spinal Infection
Jeong, Deok-Ki,Lee, Hyun-Woo,Kwon, Young-Min The Korean Neurosurgical Society 2015 Journal of Korean neurosurgical society Vol.46 No.6
Objective : This study was designed to evaluation the diagnostic value of procalcitonin (PCT) in patients with spinal infection, compare to the classical biomarkers such as C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), white blood cell (WBC) count. Methods : All patients who were diagnosed as a spinal infection between January, 2013 and July, 2014 were included in this study. Serum PCT, CRP, ESR, and WBC count were checked at initial hospital visit and once a week serially until they were discharged. Patient's medical history, causes and pathogens of spinal infection were reviewed. Results : Total 34 (16 men, 18 women) patients were included in this study. Mean age of the patients was 65.6 year-old. Causes of spinal infection were pain block procedure (14, 41.2%) and post-operation (5, 14.7%). Out of 25 patients who showed elevated initial serum PCT level, 20 patients (80%) had a combined systemic infection. 14 patients (6.7%) had a sepsis, 3 patients (14.2%) had a urinary tract infection and 2 (9.6%) had a pneumonia. 14 patients (41.2%) showed elevation of serum PCT level during treatment. Among them, 9 patients (64.3%) had a combined infection such as sepsis and urinary tract infection. Conclusion : Serum CRP showed more sensitivity compared to serum PCT in patients with spinal infection. Patients with spinal infection who showed elevated serum PCT level should be investigated for combined infection and proper antibiotics should be applied.
Intradural Extramedullary Tuberculoma of the Spinal Cord Following Tuberculous Meningitis
Deok-Ki Jeong,권영민 대한척추신경외과학회 2015 Neurospine Vol.12 No.2
Intradural extramedullary tuberculoma of the spinal cord (IETSC) is an uncommon disease which can occurs secondary to tuberculous meningitis. A 31-year-old woman was diagnosed as tuberculous meningitis after mental disorientation. Her mentality was recovered after antituberculous therapy. After 7 months of antituberculous therapy, paraplegia has developed. Magnetic resonance imaging (MRI) revealed a mass lesion between the T1 and T12 spinal levels with arachnoid thickening which results in the development of tuberculoma. She received surgical resection of IETSC followed by antituberculous therapy and neurological function has been improved. The two years after surgical treatment, spinal MRI showed syringomyelia between T1 to L1. But, her neurological outcome was not aggravated.
Clinical Value of Procalcitonin in Patients with Spinal Infection
Deok-Ki Jeong,Hyun-Woo Lee,권영민 대한신경외과학회 2015 Journal of Korean neurosurgical society Vol.58 No.3
Objective : This study was designed to evaluation the diagnostic value of procalcitonin (PCT) in patients with spinal infection, compare to the classical biomarkers such as C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), white blood cell (WBC) count. Methods : All patients who were diagnosed as a spinal infection between January, 2013 and July, 2014 were included in this study. Serum PCT, CRP, ESR, and WBC count were checked at initial hospital visit and once a week serially until they were discharged. Patient’s medical history, causes and pathogens of spinal infection were reviewed. Results : Total 34 (16 men, 18 women) patients were included in this study. Mean age of the patients was 65.6 year-old. Causes of spinal infection were pain block procedure (14, 41.2%) and post-operation (5, 14.7%). Out of 25 patients who showed elevated initial serum PCT level, 20 patients (80%) had a combined systemic infection. 14 patients (6.7%) had a sepsis, 3 patients (14.2%) had a urinary tract infection and 2 (9.6%) had a pneumonia. 14 patients (41.2%) showed elevation of serum PCT level during treatment. Among them, 9 patients (64.3%) had a combined infection such as sepsis and urinary tract infection. Conclusion : Serum CRP showed more sensitivity compared to serum PCT in patients with spinal infection. Patients with spinal infection who showed elevated serum PCT level should be investigated for combined infection and proper antibiotics should be applied.
노기덕(Ki-Deok Ro),김종현(Jeong-Hyun Kim),천중희(Jung-Hee Chun),배병준(Byeong-Jun Bae),구정호(Jeong-Ho Gu),김성재(Sung-Jae Kim) 한국마린엔지니어링학회 2008 한국마린엔지니어링학회 학술대회 논문집 Vol.2008 No.-
The Flow fields of a ship's propulsion mechanism of Weis-Fogh type are studied in this paper using the advanced vortex method. The airfoil and the channel are approximated by a finite number of source and vortex panels, and the free vortices are introduced from the body surfaces. The viscous diffusion of fluid is represented using the core-spreading model to the discrete vortices. The velocity is calculated on the basis of the generalized Biot-Savart law and the pressure field is calculated from integrating the equation given by the instantaneous velocity and vorticity fields. Two-dimensional unsteady viscose flows of this propulsion mechanism are numerically clarified, and the calculated results agree well with the experimental ones.
노기덕(Ki-Deok Ro),김종현(Jeong-Hyun Kim),천중희(Jung-Hee Chun),배병준(Byeong-Jun Bae),구정호(Jeong-Ho Gu),김성재(Sung-Jae Kim) 한국항해항만학회 2008 한국항해항만학회 학술대회논문집 Vol.2008 No.공동학술
The Flow fields of a ship's propulsion mechanism of Weis-Fogh type are studied in this paper using the advanced vortex method. The airfoil and the channel are approximated by a finite number of source and vortex panels, and the free vortices are introduced from the body surfaces. The viscous diffusion of fluid is represented using the core-spreading model to the discrete vortices. The velocity is calculated on the basis of the generalized Biot-Savart law and the pressure field is calculated from integrating the equation given by the instantaneous velocity and vorticity fields. Two-dimensional unsteady viscose flows of this propulsion mechanism are numerically clarified, and the calculated results agree well with the experimental ones.
Deok Ho Kwon,In-Hong Jeong,Sung Jun Hong,Myung-Pyo Jung,Ki-Su Kim,Si Woo Lee,Si Hyeock Lee 한국응용곤충학회 2017 한국응용곤충학회 학술대회논문집 Vol.2017 No.10
It is necessary to understand of temporal and spatial dynamics by establishing a periodical monitoring system for theproper management in small brown planthopper (SBPH). A dataset is including the number of SBPHs by location, collectionmethod [aerial collection net (AeCN) or light trap (LT)] and period (May~Aug.) for five years (2011~2015), and missingvalues were imputed using multiple imputation methods. Of the 15,848 individuals collected, approximately 47% and 52.9%were collected using the AeCN and LT methods, respectively. A high incidence of migratory SBPHs was observed duringJulian days 144-166 using the AeCN method. Generally, the migratory SBPHs from China composed 39.4% of the totalpopulations of SBPHs. These results would provide valuable information to predict the incidence period of migratory SBPHsand establish a proactive management system against SBPH.
Jeong-Heon Choi,Shin Hwang,Young-Joo Lee,Ki-Hun Kim,Gi-Young Ko,Dong Il Gwon,Chul-Soo Ahn,Deok-Bog Moon,Tae-Yong Ha,Gi-Won Song,Dong-Hwan Jung,Sung-Gyu Lee 한국간담췌외과학회 2015 한국간담췌외과학회지 Vol.19 No.2
Backgrounds/Aims: Both preoperative transcatheter arterial chemoembolization (TACE) alone and portal vein embolization (PVE) alone have a detrimental prognostic effect on the post-resection outcomes in patients with hepatocellular carcinoma (HCC). The main objective of this study was to assess the prognostic impact of preoperative TACE on the long-term survival outcomes in patients undergoing preoperative PVE and right liver resection for solitary HCC. Methods: Patients who underwent macroscopic curative right liver resection of solitary HCC that lied between 3.0 and 7.0 cm (n=113) with or without preoperative TACE and PVE were selected for the study, making these subjects were divided into three groups; the TACE-PVE group (n=27), the PVE-alone group (n=13), and the control group (n=73). The subjects in the three groups were followed up for ≥36 months or until death. Results: The 1-, 3-, 5-, and 10-year overall patient survival rates of all 113 patients were 96.5%, 88.2%, 81.3% and 65.0%, respectively. The 1-, 3-, 5-, and 10-year overall patient survival rates were 96.3%, 83.4%, 83.4% and 47.6% respectively in the TACE-PVE group; 84.6%, 76.9%, 57.7% and 19.2% respectively in the PVE-alone group; and 98.6%, 91.7%, 85.1% and 81.7% respectively in the control group (p=0.047). Patients were also sub-grouped according to tumor size, and those with a tumor of up to cutoff at 5 cm showed no prognostic difference (p=0.774), but tumor size >5 cm was associated with inferior patient survival only in the TACE-PVE group (p=0.018). Conclusions: Preoperative sequential TACE and PVE appear to be compliant to the conventional oncological concept in addition to induction of the future remnant liver regeneration. Therefore, we suggest that preoperative TACE should be come first whenever preoperative PVE for major hepatectomy is planned, especially in patients with hypervascular HCC tumors.