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      • SCOPUSKCI등재

        급성 폐손상 환자에서 Adaptive Support Ventilation 적용 시 호흡지표의 양상

        이규성 ( Keu Sung Lee ),정우영 ( Wou Young Chung ),정윤정 ( Yun Jung Jung ),박주헌 ( Joo Hun Park ),신승수 ( Seung Soo Sheen ),황성철 ( Sung Chul Hwang ),박광주 ( Kwang Joo Park ) 대한결핵 및 호흡기학회 2011 Tuberculosis and Respiratory Diseases Vol.70 No.1

        Background: Adaptive support ventilation (ASV), an automated closed-loop ventilation mode, adapts to the mechanical characteristics of the respiratory system by continuous measurement and adjustment of the respiratory parameters. The adequacy of ASV was evaluated in the patients with acute lung injury (ALI). Methods: A total of 36 patients (19 normal lungs and 17 ALIs) were enrolled. The patients` breathing patterns and respiratory mechanics parameters were recorded under the passive ventilation using the ASV mode. Results: The ALI patients showed lower tidal volumes and higher respiratory rates (RR) compared to patients with normal lungs (7.1±0.9 mL/kg vs. 8.6±1.3 mL/kg IBW; 19.7±4.8 b/min vs. 14.6±4.6 b/min; p<0.05, respectively). The expiratory time constant (RCe) was lower in ALI patients than in those with normal lungs, and the expiratory time/RCe was maintained above 3 in both groups. In all patients, RR was correlated with RCe and peak inspiratory flow (rs=-0.40; rs=0.43; p<0.05, respectively). In ALI patients, significant correlations were found between RR and RCe (rs=-0.76, p<0.01), peak inspiratory flow and RR (rs=-0.53, p<0.05), and RCe and peak inspiratory flow (rs=-0.53, p<0.05). Conclusion: ASV was found to operate adequately according to the respiratory mechanical characteristics in the ALI patients. Discrepancies with the ARDS Network recommendations, such as a somewhat higher tidal volume, have yet to be addressed in further studies.

      • SCOPUSKCI등재

        패혈증에서 혈중 스테로이드의 의의 및 기타 혈중 지표와의 연관성

        이규성 ( Keu Sung Lee ),백승희 ( Seung Hee Baik ),이형노 ( Hyoung No Lee ),박주헌 ( Joo Hun Park ),오윤정 ( Yoon Jung Oh ),신승수 ( Seung Soo Sheen ),최영화 ( Young Hwa Choi ),박광주 ( Kwang Joo Park ),황성철 ( Sung Chul Hwang 대한결핵 및 호흡기학회 2006 Tuberculosis and Respiratory Diseases Vol.61 No.4

        연구배경: 패혈증에서 혈중 스테로이드 농도는 유의한 예후인자로서 알려져 있다. 또한 최근에는 이러한 스테로이드의 절대적 및 상대적 결핍 현상이 알려지고 있으며, 이는 스테로이드 보충 치료의 지표로도 이용되고 있다. 본 연구에서는 패혈증 환자에서 혈중 스테로이드 농도, 24시간 뇨 스테로이드 양 및 상대적 부신결핍의 임상적 의의와 기타 패혈증의 혈중 지표와의 연관성에 대하여 알아보고자 하였다. 방법: 패혈증 환자 26예를 대상으로 초기 혈중 스테로이드와 ACTH, ADH, lactate 등의 농도를 측정하고 24시간 뇨 유리 코티졸 양을 측정하였으며, rapid ACTH stimulation test를 시행하였다. 결과: 패혈증 환자들에서 사망군은 생존군에 비해 기저 무작위 혈청 코티졸 농도가 유의하게 증가되어 있었다. 중증패혈증 환자들에서 24시간 뇨 유리 코티졸은 경증패혈증 환자군에 비해 유의하게 증가되어 있었다. 혈청 코티졸 농도는 ADH, lactate농도와 유의한 상관관계를 나타내었고, 24시간 뇨 유리 코티졸은 혈청 코티졸, lactate 농도와 유의한 상관관계를 보였다. 상대적 부신결핍의 정도는 혈청 코티졸, ADH, lactate 농도와 상관성이 있었다. 결론: 패혈증 환자들에서 혈청 코티졸 농도 및 24시간 뇨 유리 코티졸은 유의한 예후평가인자로서 나타났으며, 기타 예후 인자들과 유의한 상관성을 보였다. 상대적 부신 결핍의 정도도 유의한 중증도의 지표로 나타났다. Background: Corticosteroids are known to be significant prognostic parameters in sepsis. Recently, an absolute and relative insufficiency of the corticosteroids system has often been reported to often develop particularly in severe sepsis. Degree of such an adrenal insufficiency not only has prognostic implications but also can be used to guide corticosteroids replacement therapy. The 24-hour urinary cortisol levels as well as serum cortisol concentrations were measured to assess the clinical significance and their relationship with the other parameters of sepsis, and also evaluated the clinical implications of the relative adrenal insufficiency. Methods: 26 consecutive patients with sepsis were enrolled. The basal random serum cortisol, ACTH, ADH, lactate levels and 24-hour urinary free cortisol amount were measured. The rapid ACTH (250㎍) stimulation test was also performed. Results: Basal serum cortisol levels were higher in the non-survivors than in the survivors. The 24-hour urinary free cortisol levels were higher in the patients with severe sepsis than in those without. The serum cortisol levels strongly correlated with the serum ADH and lactate levels. The 24-hour urinary free cortisol levels strongly correlated with the serum cortisol and lactate levels. The fractional changes in the cortisol levels after the rapid ACTH stimulation tests correlated with the serum cortisol, ADH, and lactate levels. Conclusion: Both the serum cortisol and 24-hour urinary cortisol were found to be significant prognostic factors in sepsis, and showed a strong correlation with the other parameters. The relative adrenal insufficiency might also be an important clinical parameter. (Tuberc Respir Dis 2006; 61: 356-365)

      • SCOPUSKCI등재

        패혈증의 경과에 따른 혈중 스테로이드와 Nitric Oxide의 연관성

        이규성 ( Keu Sung Lee ),김영선 ( Young Sun Kim ),이형노 ( Hyoung No Lee ),박주헌 ( Joo Hun Park ),오윤정 ( Yoon Jung Oh ),신승수 ( Seung Soo Sheen ),최영화 ( Young Hwa Choi ),박광주 ( Kwang Joo Park ),황성철 ( Sung Chul Hwang ) 대한결핵 및 호흡기학회 2007 Tuberculosis and Respiratory Diseases Vol.62 No.4

        연구배경: 패혈증에서 Nitric oxide 스테로이드 호르몬은 혈역학적 변화와 염증반응에 관여하는데 이 두 인자는 서로 상관성이 있는 것으로 알려지고 있다. 하지만 실제 환자에서 서로의 상관성이나 임상적 의의는 연구가 부족한 실정이다. 방법: 패혈증 환자 26예와 대조군 14예를 대상으로 혈중 총 NO와 혈중 코티졸 농도를 측정하였고 이어서 제 3, 5, 7병일에도 연속적으로 측정을 하였다. 결과: 패혈증 환자군에서 초기 혈중 코티졸 및 총 NO 농도는 대조군에 비하여 유의하게 증가하였고 경증 패혈증에 비하여 중증 패혈증 환자군에서 유의하게 높았다. 초기 혈중 총 NO의 농도는 APACHE II 점수, 정맥혈 lactate 농도와 상관성이 있었다. 패혈증의 시간의 경과에 따라 혈중 NO 농도는 제 1병일, 제 5병일, 제 7병일에 혈중 코티졸의 농도와 유의한 상관성이 있었다. 결론: 패혈증 환자들에서 혈중 NO와 코티졸 농도는 증가되어 있었으며, 경과에 따라 서로 유의한 상관성이 지속되었다. 상호작용기전에 대하여는 추가적인 연구가 필요할 것이다. Background: The nitric oxide (NO) released by inducible NO synthase (iNOS) plays an important role in the pathophysiology of sepsis. Corticosteroids also play a role in the hemodynamic and inflammatory reactions in sepsis. Both have been shown to have a relationship theoretically, but their correlation and clinical impacts have rarely been evaluated. Methods: 26 patients with sepsis and 14 healthy controls were enrolled in this study. The initial random plasma total NO and the serum cortisol levels were measured. The same measurements were serially carried out on the 3rd, 5th, and 7th days. Results: The initial total plasma levels of NO and cortisol were higher in the patients with sepsis than in the healthy controls. The total NO levels were higher in patients with severe sepsis than in the those with mild sepsis. There was a correlation between the total NO and cortisol level throughout the study. Conclusion: In patients with sepsis, the levels of plasma NO and cortisol were well correlated during the first week of sepsis, which suggests an interrelationship. However, the clinical and pathogenetic implications await further evaluation. (Tuberc Respir Dis 2007; 62: 308-313)

      • 성인에서 발생한 가와사키병 1 례

        이진호,김선신,박해심,김장성,이수걸,남동호,조재웅,서유진,이규성,홍지만,정조원 대한알레르기학회 2001 천식 및 알레르기 Vol.21 No.1

        Kawasaki disease (KD) is an acute vasculitis of undetermined etiology in infancy and early childhood. There is no diagnostic test to confirm this disease and its diagnosis is made on clinical backgrounds. Most patients diagnosed are under 4 years of age. Here, we report a case of KD in an adult presented with clinical features of fever, headache, and skin rash. A 26-year-old male was presented with fever and headache of four days' duration and skin rash of three days' duration. Nausea and vomiting developed and the patient was treated with antibiotics under the impression of aseptic meningitis and became afebrile two days later. Laboratory findings revealed thrombocytosis, atypical lymphocytes, and elevated liver enzymes. Kawasaki disease was diagnosed, and intravenous immunoglobulin and low-dose aspirin (200mg/d) was administered. Hocardiogram did not reveal any coronary artery changes and the skin lesions disappeared. The patient was discharged after near normalization of the liver enzymes and is now being followed at our clinic.

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