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Pneumonia in Patients with Chronic Obstructive Pulmonary Disease
Restrepo, Marcos I.,Sibila, Oriol,Anzueto, Antonio The Korean Academy of Tuberculosis and Respiratory 2018 Tuberculosis and Respiratory Diseases Vol.81 No.3
Chronic obstructive pulmonary disease (COPD) is a frequent comorbid condition associated with increased morbidity and mortality. Pneumonia is the most common infectious disease condition. The purpose of this review is to evaluate the impact of pneumonia in patients with COPD. We will evaluate the epidemiology and factors associated with pneumonia. We are discussing the clinical characteristics of COPD that may favor the development of infections conditions such as pneumonia. Over the last 10 years, there is an increased evidence that COPD patients treated with inhaled corticosteroids are at increased risk to develp pneumonia. We will review the avaialbe information as well as the possible mechanism for this events. We also discuss the impact of influenza and pneumococcal vaccination in the prevention of pneumonia in COPD patients.
Mateo Restrepo Mejia,Juan Sebastian Arroyave,Michael Saturno,Laura Chelsea Mazudie Ndjonko,Bashar Zaidat,Rami Rajjoub,Wasil Ahmed,Ivan Zapolsky,Samuel K. Cho 대한척추신경외과학회 2024 Neurospine Vol.21 No.1
Objective: Large language models like chat generative pre-trained transformer (ChatGPT) have found success in various sectors, but their application in the medical field remains limited. This study aimed to assess the feasibility of using ChatGPT to provide accurate medical information to patients, specifically evaluating how well ChatGPT versions 3.5 and 4 aligned with the 2012 North American Spine Society (NASS) guidelines for lumbar disk herniation with radiculopathy. Methods: ChatGPT's responses to questions based on the NASS guidelines were analyzed for accuracy. Three new categories—overconclusiveness, supplementary information, and incompleteness—were introduced to deepen the analysis. Overconclusiveness referred to recommendations not mentioned in the NASS guidelines, supplementary information denoted additional relevant details, and incompleteness indicated omitted crucial information from the NASS guidelines. Results: Out of 29 clinical guidelines evaluated, ChatGPT-3.5 demonstrated accuracy in 15 responses (52%), while ChatGPT-4 achieved accuracy in 17 responses (59%). ChatGPT-3.5 was overconclusive in 14 responses (48%), while ChatGPT-4 exhibited overconclusiveness in 13 responses (45%). Additionally, ChatGPT-3.5 provided supplementary information in 24 responses (83%), and ChatGPT-4 provided supplemental information in 27 responses (93%). In terms of incompleteness, ChatGPT-3.5 displayed this in 11 responses (38%), while ChatGPT-4 showed incompleteness in 8 responses (23%). Conclusion: ChatGPT shows promise for clinical decision-making, but both patients and healthcare providers should exercise caution to ensure safety and quality of care. While these results are encouraging, further research is necessary to validate the use of large language models in clinical settings.
Multidimensional Fourier transform and fractional derivative
J.E. RESTREPO,A. PIEDRAHITA,P. AGARWAL 장전수학회 2019 Proceedings of the Jangjeon mathematical society Vol.22 No.2
Some properties of the multidimensional Fourier transform and the suitable fractional derivative are established. The obtained results are used to prove that the inverse problem for a time fractional advection-dispersion equation in a 2{D setting is ill-posed.
Pneumonia in Patients with Chronic Obstructive Pulmonary Disease
( Marcos I. Restrepo ),( Oriol Sibila ),( Antonio Anzueto ) 대한결핵 및 호흡기학회 2018 Tuberculosis and Respiratory Diseases Vol.81 No.3
Chronic obstructive pulmonary disease (COPD) is a frequent comorbid condition associated with increased morbidity and mortality. Pneumonia is the most common infectious disease condition. The purpose of this review is to evaluate the impact of pneumonia in patients with COPD. We will evaluate the epidemiology and factors associated with pneumonia. We are discussing the clinical characteristics of COPD that may favor the development of infections conditions such as pneumonia. Over the last 10 years, there is an increased evidence that COPD patients treated with inhaled corticosteroids are at increased risk to develp pneumonia. We will review the avaialbe information as well as the possible mechanism for this events. We also discuss the impact of influenza and pneumococcal vaccination in the prevention of pneumonia in COPD patients.
Mario Benedetti: El olvido esta lleno de memoria (3 acercamientos)
( Juan Manuel Cuartas Restrepo ) 고려대학교 스페인·라틴아메리카연구소 2012 스페인라틴아메리카연구 Vol.5 No.2
En la comprension que senala Mario Benedetti: El olvido esta lleno de memoria, se identifica no solo la fuerza del olvido, contra la que obliga luchar con tenacidad, sino tambien la presion de la memoria, que traza al presente un horizonte vivo, encarnado, donde la palabra y la voz del escritor son esenciales. Para nadie es un secreto que el olvido constituye una antinomia, es decir, una contradiccion irresoluble, en tanto que es posible dar cuenta de aquello que se olvida. Asi, el analisis de la memoria y el olvido sera siempre conjunto, intentando alcanzar la congruencia de algo que no resuelve la experiencia sino la voluntad individual y colectiva. De un lado, si la memoria es considerada como un deposito de representaciones, el proposito de Benedetti esta cumplido cuando la vida adulta de un individuo trae a su mente representaciones no solo de infancia y adolescencia, sino tambien, como estampas de los desastres de la guerra, del dolor de los demas. De otro lado, se destaca una funcion historica de la memoria que, no libre de controversia, juega un papel de ``existenciario``, o de libro de la vida, importante hasta el punto que su deformacion desquicia la historia misma. En esta coyuntura hace su entrada la reunion que establece Paul Ricoeur entre ``la memoria``, ``la historia`` y ``el olvido``.
Yeimy A. Rodríguez-Restrepo,Cristina M.R. Rocha,José A. Teixeira,Carlos E. Orrego 한국섬유공학회 2020 Fibers and polymers Vol.21 No.12
Fibers from passion fruit stalks were first recovered with a pulping and bleaching process. Two mechanicaltreatments were further applied to the fibers, homogenization (with and without ultrasound), and blender application. Theeffect of those treatments on fibers was evaluated. The chemical composition of the different stages of fibers undergoingtreatment were measured according to TAPPI standards and were also analyzed by SEM, FTIR, and XRD. Trypsin wasimmobilized by adsorption and by covalent binding. The biocatalyst support-trypsin was evaluated in terms ofimmobilization yield, retention, and enzymatic activity. The experimental results demonstrated that the final celluloseconcentration in the fibers was 44 % higher than that in the raw stalks. The cellulose nanofibers obtained by homogenizationpresented a size distribution between 20-200 nm, and the application of ultrasound did not show a significant effect on size(between 50 to 300 nm). Trypsin immobilized using glycidol presented an immobilization yield of 67 % and presented higherretention and enzymatic activity (1.17±0.05 U/mg protein and 44.0±2.0 %, respectively). These results show that passionfruit stalks can be successfully used as a source of cellulose nanofibers and also can be used as carriers for the immobilizationof trypsin.
Estimation of methane emissions from local and crossbreed beef cattle in Daklak province of Vietnam
Carlos Alberto Ramirez-Restrepo,Dung Van Tien,Ngoan Le Duc,Mario Herrero,Phung Le Dinh,Dung Dinh Van,Sen Le Thi Hoa,Cuong Vu Chi,Cesar Solano-Patino,Amy M. Lerner,Timothy D. Searchinger 아세아·태평양축산학회 2017 Animal Bioscience Vol.30 No.7
Objective: This study was aimed at evaluating effects of cattle breed resources and alternative mixed-feeding practices on meat productivity and emission intensities from household farming systems (HFS) in Daklak Province, Vietnam. Methods: Records from Local Yellow×Red Sindhi (Bos indicus; Lai Sind) and 1/2 Limousin, 1/2 Drought Master, and 1/2 Red Angus cattle during the growth (0 to 21 months) and fattening (22 to 25 months) periods were used to better understand variations on meat productivity and enteric methane emissions. Parameters were determined by the ruminant model. Four scenarios were developed: (HFS1) grazing from birth to slaughter on native grasses for approximately 10 h plus 1.5 kg dry matter/d (0.8% live weight [LW]) of a mixture of guinea grass (19%), cassava (43%) powder, cotton (23%) seed, and rice (15%) straw; (HFS2) growth period fed with elephant grass (1% of LW) plus supplementation (1.5% of LW) of rice bran (36%), maize (33%), and cassava (31%) meals; and HFS3 and HFS4 computed elephant grass, but concentrate supplementation reaching 2% and 1% of LW, respectively. Results: Results show that compared to HFS1, emissions (72.3±0.96 kg CH4/animal/life; least squares means± standard error of the mean) were 15%, 6%, and 23% lower (p<0.01) for the HFS2, HFS3, and HFS4, respectively. The predicted methane efficiencies (CO2eq) per kg of LW at slaughter (4.3±0.15), carcass weight (8.8±0.25 kg) and kg of edible protein (44.1±1.29) were also lower (p<0.05) in the HFS4. In particular, irrespective of the HSF, feed supply and ratio changes had a more positive impact on emission intensities when crossbred 1/2 Red Angus cattle were fed than in their crossbred counterparts. Conclusion: Modest improvements on feeding practices and integrated modelling frameworks may offer potential trade-offs to respond to climate change in Vietnam.