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만성 신부전 환자와 신이식 환자에서 혈장 총 호모시스테인과 엽산의 농도
김범(Beom Kim),하경원(Kyoung Won Ha),이윤하(Yoon Ha Lee),김혜영(Hye Young Kim),허우성(Woo Seong Huh),김대중(Dae Joong Kim),김윤구(Yoon Goo Kim),오하영(Ha Young Oh) 대한내과학회 1998 대한내과학회지 Vol.55 No.1
Background: A few articles reported that the plasma total homocysteine(tHcy) concentration of renal transplant recipients(RTR) was higher than that of normal controls, but lower than that of patients with chronic renal failure. But renal function of the RTR was variable, and plasma tHcy concentration of RTR with normal renal function was unknown. We compared plasma tHcy concentration of RTR with norrr1 renal function to normal controls and evaluated the relation between folate concentration, the independent factor of plasma tHcy concentration, and plasma tHcy in patients with chronic renal failure in predialysis, hemodialysis(HD) and continuous ambulatory peritoneal dialysis(CAPD), Methods We measured fasting plasma level of total homocysteine by high-performance liquid chromatography and folate concentration in 36 predialysis CRF patients(Ccr<25mlu'min), 37 HD patients, 28 CAPD patients, 41 RTR(serum creatinine≤1.4mg/dL) and % healthy controls. Results : 1)Mean(±SD) tHcy concentration in pre- dialysis CRF(21.93 ±14.33 μ mol/L), HD(18.24±8.73μmol /L) and CAPD(17.16±7.8μmol/L) patients was significantly higher than that in controls (8.91±4.11μmol/L, P<0.05) but tHcy concentration of RTR group(8.99±3.99 μmol/L)had no difference from that of normal controls 2)In predialysis patients, CAPD patients, and HD patients showed a significant negative correlation between serum folate and plasma tHcy concentrations (r=-0.18, p<0.05). 3)In predialysis, HD and CAPD patients, mean plasma folate concentratirin in patients with 1mg/ day-folate supplementation(20.41±15.65ng/ml.) was higher than patients without 1mg/day-folate supplementation (10.20±8.24ng/mL)(p<0.05) and mean plasma tHcy concentration in patients with 1mg/day-folate supplementation (17.87±7.94μmol/L) was lower than patients without 1mg/day-folate supplementation(21.87±13.35μmol/L)(p<0.05). Conclusion: Plasma tHcy concentration in RTR with normal renal function had no difference with that in normal controls. In predialysis, HD, and CAPD patients, plasma tHcy had negative correlation with plasma folate concentration and plasma tHcy in patients with 1mg folate supplementation, usual dose in chronic renal failure, was higher than that in patients without folate supplementation and lower than that in normal controls.
천식환자 및 만성 폐쇄성 폐질환환자군에서 연간 최대 호기유속의 변화량
홍성철 ( Sung Chul Hong ),이초이 ( Choi Lee ),한장수 ( Jang Soo Han ),김원동 ( Won Dong Kim ),이계영 ( Kye Young Lee ),김순종 ( Sun Jong Kim ),김희정 ( Hee Joung Kim ),하경원 ( Kyoung Won Ha ),전규락 ( Gyu Rak Chon ),유광하 ( Kwan 대한결핵 및 호흡기학회 2012 Tuberculosis and Respiratory Diseases Vol.72 No.1
Measurement of peak expiratory flow rate (PEFR) in a follow-up examination for a chronic airway disease is useful because it has the advantages of being a simple measurement and can be repeated during examination. The aim of this study was to examine the annual decrease of PEFR in asthma and chronic obstructive pulmonary disease (COPD) patients and to confirm the factors which influence this decrease. From May, 2003 to September, 2010, the annual decrease of PEFR was obtained from asthma and COPD patients attending an outpatient pulmonary clinic. PEFR was measured using a Mini-Wright peak flow meter (Clement Clarke International Ltd. UK), and we conducted an analysis of factors that influence the change of PEFR and its average values. The results showed an annual decrease of 1.70±12.86 L/min the asthmatic patients and an annual decrease of 10.3±7.32 L/min in the COPD patients. Age and FEV1 were the predictive factors influencing change in asthma, and FEV1 and smoking were the predictive factors influencing change in COPD. Conclusion: We confirmed the annual decreasing PEFR in patients with chronic airway disease and identified factors that work in conjunction with FEV1 to influence the change.
박유진 ( Eu Gene Park ),박중희 ( Jung Hee Park ),홍미진 ( Mi Jin Hong ),김원동 ( Won Dong Kim ),이계영 ( Kye Young Lee ),김순종 ( Sun Jong Kim ),김희정 ( Hee Joung Kim ),하경원 ( Kyoung Won Ha ),전규락 ( Gyu Rak Chon ),김현애 ( Hy 대한결핵 및 호흡기학회 2011 Tuberculosis and Respiratory Diseases Vol.71 No.1
Background: Pneumonia is commonly seen in outpatient clinics. it is widely known as the most common cause of death from infectious disease. Pneumonia has been diagnosed by its typical symptoms, chest X-ray and blood tests. However, both chest X-rays and blood tests have limitations in diagnosis. Thus primary care clinicians usually have been constrained due to a lack of adequate diagnostic tools. Vibration response imaging (VRI) is a newly emerging diagnostic modality, and its procedure is non-invasive, radiation-free, and easy to handle. This study was designed to evaluate the diagnostic usefulness of the VRI test among pneumonia patients and to consider its correlation with other conventional tests such as Chest X-ray, laboratory tests and clinical symptoms. Methods: VRI was performed in 46 patients diagnosed with pneumonia in Konkuk University Medical Center. VRI was assessed in a private and quiet room twice: before and after the treatment. Sensors for VRI were placed on a patient`s back at regular intervals; they detected pulmonary vibration energy produced when respiration occurred and presented as specific images. Any modifications either in chest X-ray, C-reactive protein (CRP), white blood cell count (WBC) or body temperature were compared with changes in VRI image during a given time course. Results: VRI, chest X-ray and CRP scores were significantly improved after treatment. Correlation between VRI and other tests was not clearly indicated among all patients. But relatively severe pneumonia patients showed correlations between VRI and chest X-ray, as well as between VRI and CRP. Conclusion: This study demonstrates that VRI can be safely applied to patients with pneumonia.