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( Yoomi Yeo ),( Ji Tak Rhu ),( Hanjoon Jo ),( Sung-ho Jang ),( Joonho Choi ),( Dong Woo Park ),( Tae-hyung Kim ) 대한결핵 및 호흡기학회 2021 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.129 No.-
Purpose Cognitive dysfunction and mood disorder are well- known comorbidities in COPD. However, the mechanism is not well under stood including change of brain function in COPD. We compared the hippocampal functional connectivity (FC) of COPD patients to normal controls. Method A total of 50 patients with COPD and 30 matched healthy controls were participated. We obtained clinical data including demographics, pulmonary functions, cognitive function and mood status. Both groups of patients underwent brain magnetic resonance imaging (MRI) procedures for acquisition of T1 anatomy and restingstate (rs) functional MRI (rsfMRI) data at 3T. All data were processed by FreeSurfer and AFNI packages. The FC maps of hippoca mpus (HP) were obtained for each individual subject, and a Welch’s t test were applied to get group difference. And, to find the relationship between various clinical scores and the degree of FC changes which showing significant group differences in C OPD patients, Pearson correlation coefficients (r) were calculated. Results Compared to normal control, COPD patients showed lower BMI, more comorbidity more cognitive dysfunction without difference in risk factors for stroke. In addition, COPD patients showed significantly decreased FC between HP and middle cingulate cortex (MCC) (pFWEcorrected < 0.05) compared to normal control. And, the degrees of HP-MCC FC were correlated with decreased forced expiratory volume in one second (FEV1) and higher Charlson Comorbidity Index at the significance level of p < 0.05. Even participant s in COPD group had more depression, higher smoking history and more dyspnea, those factors were not related with FC. Furt hermore, neither cognitive function nor mood scores were not correlated in HP-MCC FC. Conclusion The mechanism of decreased cognitive function or changed mood status in COPD patients is not fully discovered. However, our study showed that alterations in FC of hippocampal lesions might be related with the clinical course of COPD.
Risk factors of reintubation in patients receiving post-extubation nasal high flow therapy
( Yoomi Yeo ),( Tai Sun Park ),( Min Ju Jo ),( Ji-yong Moon ),( Tae-hyung Kim ),( Sung Jun Chung ),( Hyun Lee ),( Dong Won Park ),( Sang Heon Kim ),( Jang Won Sohn ),( Ho Joo Yoon ) 대한결핵 및 호흡기학회 2019 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.127 No.-
Background: Use of nasal high-low therapy (NHF) after extubation was known to lower reintubation rate. However, there are still patients undergoing reintubation despite of post-extubation NHF therapy. Purpose: The purpose of this study was to evaluate the risk factors of reintubation in patients receiving post-extubation NHF therapy. Methods: From January 2018 to June 2019, patients who underwent mechanical ventilation and NHF after extubation at Hanyang University Guri Hospital were analyzed retrospectively. All patients received adequate sedation and planned extubation was performed after passing spontaneous awakening test and spontaneous breathing test (SBT). Reintubation was performed in cases of followings: hemodynamic instability, a deterioration of neurologic status, or signs of persisting or worsening respiratory failure. Results: Of 20 patients, 6 (30%) were underwent reintubation. Patients who received reintubation had lower BMI (20.1 ± 3.4 vs. 23.4 ± 2.6, p = 0.03) compared to those who did not. There were no significant differences in age, sex, comorbidities, APACHE II score at ICU admission and day of extubation, duration of SBT, and PaO2/FiO2 ratio just before extubation. The kinds of sedatives used during mechanical respiration, the use of neuromuscular blockers, and the use of steroids prior to extubation also did not differ. However, low BMI did not show statistical significance in predicting reintubation risk in multivariate analysis (OR = 0.655, p = 0.059). Conclusion: The frequency of reintubation may be high in patients with low BMI in patients receiving NHF therapy after extubation.
( Yoomi Yeo ),( Ji-yong Moon ),( Hyun Lee ),( Jiin Ryu ),( Sung Jun Chung ),( Tai Sun Park ),( Dong Won Park ),( Sang-Heon Kim ),( Tae Hyung Kim ),( Jang Won Sohn ),( Ho Joo Yoon ) 대한결핵 및 호흡기학회 2020 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.128 No.-
Background Asthma patients often have coexisting pulmonary comorbidities that are associated with severe presentation, poor quality of life, and more health care resource use. However, except for chronic obstructive pulmonary disease (COPD), the impact of coexisting pulmonary comorbidities on mortality in patients with asthma has not been comprehensively evaluated using nationally representative data. Methods Using a nationally representative sample database, we performed a retrospective cohort study of patients with asthma and age- and sex-matched cohort. We estimated hazard ratio (HR) and 95% confidence interval (CI) for mortality comparing the asthma cohort with the matched cohort. Results During a median of 8.9 follow-up duration, the overall mortality rate was higher in the asthma cohort than in the matched cohort (1,312/100,000 person-years vs. 1,174/100,000 person-years, p <0.001). The HR for mortality in the asthma cohort relative to the matched cohort asthma was 1.13 (95% confidence interval [CI], 1.07-1.19), which was especially higher in males (HR = 1.22, 95% CI = 1.13-1.31) and patients under 60 years (HR = 1.25, 95% CI = 1.10-1.42). Comorbid respiratory diseases further increased mortality of patients in the asthma cohort compared to those in the matched cohort (adjusted HR = 2.94, 95% CI = 2.75-3.14 for COPD; adjusted HR = 2.50, 95% CI = 2.07-3.02; adjusted HR = 7.30, 95% CI = 4.60-11.58 for lung cancer; and adjusted HR = 1.92, 95% CI = 1.75-2.09 for pneumonia). Conclusions Patients with asthma had a higher mortality rate compared to those without asthma, especially in males and those under 60 years. Coexisting pulmonary comorbidities, including COPD, bronchiectasis, lung cancer, and pneumonia, primarily explained the higher mortality in patients with asthma compared to those without asthma.
( Yoomi Yeo ),( Kyung-il Han ),( Tae-hyung Kim ),( Youlim Kim ),( Chang Youl Lee ),( Hayoung Choi ),( Yeon-mok Oh ) 대한결핵 및 호흡기학회 2021 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.129 No.-
Purpose Bronchiectasis (BE) is a heterogeneous disease in etiology, co-morbidities, natural course and prognosis. Etiologic factor might cause the diverse manifestations of BE. Nontuberculous Mycobacterial pulmonary disease (NTM-PD) can directly cause bronchiectasis or make worse pre-existing BE. We evaluated the clinical characteristics of NTM caused BE. Method Patients were identified from 26 hospitals in Korea from August 2018 to December 2019, sorting from the cohort named Korean Multicenter Bronchiectasis Audit and Research Collaboration (KMBARC). The attending physicians determined the etiology of BE based on clinical data. We compared various clinical findings between the patients with NTM-caused BE (NTM-BE) and other patients(non-NTM-BE). Results A total 872 patients were included for analysis. Among the patients, 4.7% (46 of 872) were classified to NTM-BE group. NTMBE group showed higher proportion of female (76% in NTM-BE group, 55% in non-NTM-BE group, p< 0.005), lower body mass index (BMI) (21.7 vs. 23.0, p=0.027), lower proportion of patients with duration over 15 years with bronchiectasis (12 % vs. 26 %, p<0.05) and significantly lower portion of COPD (14% vs. 36%, p=0.002). Radiologically, NTM-BE group showed significantly different distribution especially involving more frequently right middle lobe (85% vs. 68%, p<0.001) and left upper lobe lingular segment (76% vs. 52%, p< 0.001), while less involvement of the lower lobes. Patients with NTM-BE group had significantly higher FEV1 (73.85% vs. 64.32%, p=0.008) and FVC (79.77% Vs. 72.94%, p=0.021). Patients with NTM-BE showed no significant difference in the comorbidities, current medications, exacerbation in the previous year nor history of hemoptysis. Conclusions NTM-BE patients in Korea showed different clinical features such as more female, lower BMI, less patient with long duration of BE, different location of BE and better pulmonary function compared to non-NTM-BE patients. Further research should be followed for long term clinical course of NTM-BE.
( Sang Hoon Lee ),( Yoomi Yeo ),( Tae-hyung Kim ),( Hong Lyeol Lee ),( Jin Hwa Lee ),( Yong Bum Park ),( Jong Sun Park ),( Yee Hyung Kim ),( Jin Woo Song ),( Byung Woo Jhun ),( Hyun Jung Kim ),( Jinky 대한결핵 및 호흡기학회 2019 Tuberculosis and Respiratory Diseases Vol.82 No.2
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive fibrosing interstitial pneumonia, which presents with a progressive worsening dyspnea, and thus a poor outcome. The members of the Korean Academy of Tuberculosis and Respiratory Diseases as well as the participating members of the Korea Interstitial Lung Disease Study Group drafted this clinical practice guideline for IPF management. This guideline includes a wide range of topics, including the epidemiology, pathogenesis, risk factors, clinical features, diagnosis, treatment, prognosis, and acute exacerbation of IPF in Korea. Additionally, we suggested the PICO for the use of pirfenidone and nintendanib and for lung transplantation for the treatment of patients with IPF through a systemic literature review using experts’ help in conducting a meta-analysis. We recommend this guideline to physicians, other health care professionals, and government personnel in Korea, to facilitate the treatment of patients with IPF.
Lee, Sang Hoon,Yeo, Yoomi,Kim, Tae-Hyung,Lee, Hong Lyeol,Lee, Jin Hwa,Park, Yong Bum,Park, Jong Sun,Kim, Yee Hyung,Song, Jin Woo,Jhun, Byung Woo,Kim, Hyun Jung,Park, Jinkyeong,Uh, Soo-Taek,Kim, Young The Korean Academy of Tuberculosis and Respiratory 2019 Tuberculosis and Respiratory Diseases Vol.82 No.2
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive fibrosing interstitial pneumonia, which presents with a progressive worsening dyspnea, and thus a poor outcome. The members of the Korean Academy of Tuberculosis and Respiratory Diseases as well as the participating members of the Korea Interstitial Lung Disease Study Group drafted this clinical practice guideline for IPF management. This guideline includes a wide range of topics, including the epidemiology, pathogenesis, risk factors, clinical features, diagnosis, treatment, prognosis, and acute exacerbation of IPF in Korea. Additionally, we suggested the PICO for the use of pirfenidone and nintendanib and for lung transplantation for the treatment of patients with IPF through a systemic literature review using experts' help in conducting a meta-analysis. We recommend this guideline to physicians, other health care professionals, and government personnel in Korea, to facilitate the treatment of patients with IPF.
( Sung Jun Chung ),( Yoomi Yeo ),( Hyun Lee ),( Tai Sun Park ),( Dong Won Park ),( Ji-yong Moon ),( Sang-heon Kim ),( Tae-hyung Kim ),( Jang Won Sohn ),( Ho Joo Yoon ) 대한결핵 및 호흡기학회 2018 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.126 No.-
Purpose: The etiology and natural course of Dermatomyositis/polymyositis (DM/PM) patients with acute respiratory failure have not been well studied. Methods: A total of 36 patients who were admitted to medical intensive care unit between January, 2002 to August, 2018 in Hanyang Medical center due to acute respiratory failure were retrospectively evaluated. Results: Of the 36 patients, 19 had acute exacerbation (AE) of DM/PM-associated interstitial lung disease and 17 had pneumonia. The overall in-hospital mortality was 44.4% (16/36) including 9 (52.6%) in patients with AE of DM/PM-associated ILD and 7 (41.2%) in patients with pneumonia. There was no significant difference in-hospital mortality between the two groups (P=0.492). Conclusion: The treatment outcomes in DM/PM patients who developed respiratory failure was relatively poor. There was no significant difference in-hospital mortality according to etiologies.
Kim Youlim,Lee Hyun,Park Yeonkyung,정성준,Yeo Yoomi,Park Tai Sun,박동원,김상헌,Kim Tae-Hyung,손장원,윤호주,Moon Ji-Yong 대한천식알레르기학회 2021 Allergy, Asthma & Immunology Research Vol.13 No.5
Besides obesity, there are limited studies regarding the relationship between the individual components of metabolic syndrome and wheezing. It is largely unknown whether the co-existence of other metabolic syndrome components has additive effects on wheezing in the adult population. The association between the individual components of metabolic syndrome and current wheezing was evaluated in adults using data from the Korea National Health and Nutrition Examination Survey from 2008 to 2012. Subjects with metabolic syndrome more frequently had wheezing during the past 12 months (current wheezing) (adjusted odds ratio [aOR] = 1.56; 95% confidence interval [CI] = 1.37–1.77) and wheezing during exercise in the past 12 months (aOR = 1.59; 95% CI = 1.37–1.84). Of the individual metabolic syndrome components, central obesity (aOR = 1.48; 95% CI = 1.31–1.66) and low high-density lipoprotein (HDL) cholesterol (aOR = 1.18; 95% CI = 1.05–1.34) were significantly associated with current wheezing. There were no significant associations between the other components of metabolic syndrome (high triglyceride level, blood pressure, and fasting plasma glucose level) and the presence of current wheezing. In addition, the association was much higher when both central obesity and low HDL cholesterol were present together compared to when either of the conditions was present alone (aOR = 1.67; 95% CI = 1.44–1.94). There is a significant association between metabolic syndrome and current wheezing in Korean adults. Of the components of metabolic syndrome, low HDL cholesterol and central obesity are independently and additively associated with the increased rate of current wheezing.