Qizhi Zhoufei Granule Alleviate Chronic Obstructive Pulmonary Disease by Regulating Th1/Th2 Immunologic Balance Through Notch Signaling Pathway / 世界科学技术-中医药现代化

Objective To investigate the role of homologous genes absent from the wings of drosophila melanogaster(Notch)signaling pathway in the imbalance of helper T cells 1(Th1)and helper T cells 2(Th2)and the intervention mechanism of Qizhi Zhoufei Granule in chronic obstructive pulmonary disease(COPD).Methods Ten of seventy Wistar rats were selected as the blank control group,and the other rats were established by cigarette smoking combined(CS)with tracheal infusion of lipopolysaccharide(LPS).The COPD model was established by randomly selecting 3 rats in the control group and the model group to verify the success of the model.At the end of modeling,gavage administration was performed.The rats in the model group were randomly divided into model control group,positive control group(67.5 μg·kg-1)and Qizhi Zhoufei Granule high,medium and low treatment group(3.24,1.62,0.81 g·kg-1).Each group was treated with normal saline,dexamethasone acetate suspension and Qizhi Zhoufei Granule suspension at high,medium and low doses.The rats in the blank control group were given the same volume of normal saline as the model control group.After modeling with 28 days and treatment with 28 days,peak inspiratory flow(PIF)and peak expiratory flow(PEF)were detected by the animal lung function test system.Rats were killed to extract lungs,spleen,serum and bronchoalveolar lavage fluid(BALF),hematoxylin-eosin(HE)staining was used to evaluate the pathological changes of lung tissues.The level of tumor necrosis factor-α(TNF-α)in serum and BALF was determined by enzyme-linked immunosorbent assay(ELISA).Flow cytometry was used to detect Th1/Th2 cells in spleen.Immunohistochemistry(IHC)and western blot were used to detect Notch1,Hes1 and Hey1 protein levels in lung tissues.Real-time fluorescence quantitative polymerase chain reaction(Real-Time PCR)was used to detect Notch1,Hes1 and Hey1 gene expression levels in lung tissues.Result Compared with the blank control group,the lung function of the model control group was significantly decreased(P<0.05),inflammatory cell infiltration and bronchial structure destruction occurred in the lung tissue,TNF-α content in serum and BALF increased significantly(P<0.05),the percentage of spleen Th1 cells was significantly decreased(P<0.05),and the percentage of Th2 cells was significantly increased(P<0.05),the protein and mRNA expressions of Notch1,Hes1 and Hey1 in lung tissues were significantly increased(P<0.05),the differences were statistically significant;Compared with the model control group,the lung function of rats in each administration group was significantly increased(P<0.05),the pathological injury of lung tissue was alleviated,TNF-α content in serum and BALF decreased significantly(P<0.05),the percentage of spleen Th1 cells was significantly increased(P<0.05),the percentage of Th2 cells was significantly decreased(P<0.05),the lung tissue of Notch1,Hes1,Hey1 protein and mRNA expression were significantly decreased(P<0.05),the differences were statistically significant.Conclusion Qizhi Zhoufei Granule regulate Th1/Th2 balance by inhibiting Notch signaling pathway,thereby improving pulmonary function and pathological injury,and affecting immune function in COPD rats.

Visualization Analysis on Research Literature of TCM Treatment for Stable Phase of Chronic Obstructive Pulmonary Disease / 中国中医药信息杂志

Objective To understand the current status and trends of research on the TCM treatment for stable phase of chronic obstructive pulmonary disease(COPD);To provide references for relevant research.Methods Literature about TCM treatment for stable phase of COPD was retrieved from China National Knowledge Infrastructure,Wanfang Data,VIP Information Chinese Journal Service Platform,and SinoMed from the establishment of the databases to Sep 1,2022.NoteExpress 3.4 was used to sort out the basic data of papers.Excel 2016 was employed to count first authors,syndrome type,prescription and draw a run chart of publication,determine the number of journals in the core area according to Bradford law.Core authors statistically were analyzed according to Price law.Author collaboration network and keyword co-occurrence analysis were conducted using VOSviewer 1.6.18.CiteSpace 5.3.R4 was exploited to construct institutional collaboration network and study burst terms,and knowledge map was drawn.Results A total of 3 360 articles were included,involving 445 journals,with 2 691 first authors.The overall number of publications in this field showed an increasing trend,with clinical research being the main research type.There were 21 journals in the core region and the most frequently published journal was New Chinese Medicine.There were 125 core authors,with Li Zhuying and Li Jiansheng posting the most articles.Author collaboration network analysis showed 10 major research teams and the largest of which was Li Jiansheng's team.There were 1 451 institutions,mainly were universities and affiliated hospitals.There were 62 types of syndromes in the stable phase of COPD,the most common of which was the syndrome of qi deficiency of lung and spleen.There were 541 kinds of prescriptions in total,and the most commonly used was Bufei Decoction.Keyword co-occurrence analysis showed 8 subjects,and the high-frequency keywords included lung function,clinical efficacy,quality of life,clinical observation and TCM treatment.22 burst terms were obtained,with Budesonide Fumotro,six-word songs,Yupingfeng Powder and inflammatory factors highly concerned at present.Conclusion The research fever of TCM treatment for COPD in stable period shows an increasing trend,and clinical research accounts for the largest proportion,but the general quality is not high,and basic research is relatively lacking.The research focuses on the inhibition of airway inflammation and immune regulation,and lung function and quality of life are the most commonly used evaluation indicators.

Pathogenesis of Airway Mucus Hypersecretion in Chronic Obstructive Pulmonary Disease and Intervention of Traditional Chinese Medicine： A Review / 中国实验方剂学杂志

Chronic obstructive pulmonary disease （COPD） is one of the most common chronic diseases of the respiratory system in the clinic. The disease has a long course and is difficult to cure， which seriously threatens human health. Airway mucus hypersecretion （AMH） is an independent risk factor for COPD and has a significant impact on the development and prognosis of the disease. The review finds that the abnormal proliferation of goblet cells and the excessive secretion of mucin are the direct causes of AMH. The pathogenesis of AMH may be closely related to the inhalation of heterogeneous particles， airway inflammation， the imbalance of mucin/water salt ratio， and the regulation of related signaling pathways. Traditional Chinese medicine （TCM） believes that AMH of COPD belongs to the category of lung distension with phlegm-fluid retention syndrome， and the disease is mainly treated from phlegm on the basis of lung distension. This article summarizes the relevant research in the field of TCM in recent years and finds that the single TCM that effectively intervened AMH of COPD is mainly phlegm-resolving TCM， and the main active ingredients of TCM are flavonoids， terpenoids， phenols， and alkaloids. The main TCM compounds are mainly designed to remove heat-phlegm， warmly resolve cold-phlegm， dry dampness to eliminate phlegm， invigorate Qi， promote blood circulation and dispel phlegm， and invigorate lung， spleen， and kidney. Its mechanism of action may be direct inhibition or indirect inhibition of airway epithelial goblet cell metaplasia and mucin expression by inhibiting airway inflammation， regulating aquaporins to correct the imbalance of mucin/water salt ratio， and regulating signaling pathways， so as to reduce mucus oversecretion in COPD. However， there are still some problems. For example， the research mainly focuses on TCM compounds instead of the single TCM or its effective components. The research on the mechanism of action is not thorough enough， and the research results are not interoperable. The clinical transformation rate of basic research is insufficient. This article systematically reviews the research status of AMH in the treatment of COPD with TCM and puts forward some thoughts on the existing problems， so as to provide a reference for clinical rational medication and in-depth research.

Prognosis and risk factors of lung cancer with acute exacerbation of COPD in Tongchuan City / 公共卫生与预防医学

Objective To analyse the prognosis and risk factors of lung cancer with acute exacerbation of chronic obstructive pulmonary disease (AECOPD) in Tongchuan City, and to provide a theoretical basis for improving the prognosis of patients with lung cancer complicated with AECOPD. Methods A total of 280 patients with lung cancer combined with AECOPD admitted to Tongchuan People's Hospital from January 2021 to August 2022 were selected and divided into survival group and death group according to whether the patients survived during hospitalization. Serum carcinoembryonic antigen (CEA), cytokeratin 19 fragment (CYFRA 21-1) and other tumor markers were compared between the two groups. Lung function was measured by lung function instruments, and the levels of forced expiratory volume in one second (FEV1), forced vital capacity (FVC), FEV1/FVC and other lung function indicators were compared between the two groups. The patients' clinical data were collected from the medical record system, and univariate analysis and logistic regression were used to analyze the independent risk factors affecting the prognosis of patients with lung cancer complicated with AECOP. Results The values of FEV1, FVC and FEV1/FVC in the death group were significantly lower than those in the survival group (P<0.05). Serum CEA and CYFRA 21-1 levels in the death group were significantly higher than those in the survival group (P<0.05). Multiple logistic regression analysis showed that albumin level <35 g/L (OR=2.728), TNM stage III to IV (OR=2.416), multidrug-resistant bacterial infection (OR=2.982), and GOLD grade III to IV (OR=3.417) were independent risk factors for death in patients with lung cancer complicated with AECOPD in Tongchuan City (P<0.05). Conclusion Patients with lung cancer complicated with AECOPD in Tongchuan City have a high risk of death during hospitalization, especially patients with TNM stage III to IV and GOLD grade III to IV. Multi-drug resistant bacteria infection should be actively controlled to improve the albumin level of patients, which is conducive to the prognosis of patients.

Basic Study on Inhibitory Effect of Sulforaphane on Inflammatory Response and Alleviation of Airway Remodeling in COPD Rats / 广州中医药大学学报

Objective To investigate the ameliorative effect of sulforaphane on inflammatory response and airway remodeling in rats with chronic obstructive pulmonary disease(COPD).Methods Seventy-five SD rats were randomly divided into the normal group,the model group,and the low-,medium-,and high-dose groups of sulforaphane,with 15 rats in each group.Except for the normal group,the COPD model was prepared in the remaining group using aroma smoke inhalation combined with intratracheal droplet lipopolysaccharide(LPS)method.After the successful modelling,the rats were administered the drug by gavage for 28 days.At the end of the administration,the general conditions of the rats in each group were observed,and the lung function[forced vital capacity(FVC),peak expiratory flow-rate(PEF),forceful expiratory volume in 1 second(FEV1)]was examined,and the pathological changes of the lung tissues were observed by hematoxylin-eosin(HE)staining method,and the indexes of airway remodeling(thickness of the bronchial wall,thickness of the smooth muscle)were measured;the enzyme-linked immunosorbent assay(ELISA)was used to examine the lung function of the rats.The levels of inflammatory factors[tumor necrosis factor α(TNF-α),interleukin 1β(IL-1β)]were detected in lung tissue by enzyme-linked immunosorbent assay(ELISA),and changes in the protein expressions of Toll-like receptor 4(TLR4),myeloid differentiation factor 88(MyD88),and nuclear transcription factor κB(NF-κB)were detected in lung tissue by Western Blot.Results(1)The rats in the model group had dry and lack of glossy fur,obvious coughing and nose scratching,shortness of breath,slow movement,and preferred to arch their backs and lie curled up;the rats in the low-,medium-and high-dose groups of sulforaphane showed significant improvement in shortness of breath,coughing,and other abnormal manifestations.(2)HE staining showed that the airway wall and smooth muscle of rats in the model group were thickened,the airway epithelium was damaged,and alveolar destruction,fusion,and massive infiltration of inflammatory cells were seen;the histopathological changes in the lungs of rats in the low-,medium-and high-dose groups of sulforaphane improved to varying degrees,with the airway wall becoming thinner,the degree of alveolar destruction being reduced,and the infiltration of inflammatory cells being reduced.(3)Compared with the normal group,FVC,PEF and FEV1 were significantly reduced in the model group(P＜0.05),and the levels of TNF-α and IL-1β,bronchial wall thickness,smooth muscle thickness,and the expression levels of TLR4,MyD88 and NF-κB were significantly increased in the model group(P＜0.05);and in comparison with the model group,the levels of FVC,PEF,and FEV1 were significantly increased in the rats in the sulforaphane low-,medium-,and high-dose groups(P＜0.05),and the levels of TNF-α,IL-1β,bronchial wall thickness,smooth muscle thickness,and the expression levels of TLR4,MyD88,and NF-κB were significantly decreased(P＜0.05)compared with the model group.Conclusion Sulforaphane helps to inhibit the inflammatory response,attenuate airway remodeling,and improve the pathological injury and lung function of lung tissue in rats with COPD,and its mechanism may be related to the inhibition of TLR4,MyD88,and NF-κB protein expressions.

Effect of Dingkundan in Treatment of Qi Stagnation and Blood Stasis Syndrome in Patients with Chronic Obstructive Pulmonary Disease at Stable Phase / 中国实验方剂学杂志

ObjectiveTo explore the effect of Dingkundan on Qi stagnation and blood stasis syndrome in patients with chronic obstructive pulmonary disease （COPD） at a stable phase. MethodA randomized controlled clinical design method was adopted， and 60 patients who were diagnosed with Qi stagnation and blood stasis syndrome in COPD at a stable phase in the outpatient and inpatient departments of the respiratory department of Guang' anmen Hospital of China Academy of Chinese Medical Sciences from June 2019 to December 2019 were divided into observation group and control group according to 1∶1. During the study period， there was no dropout， loss of follow-up， or exclusion between the two groups. On the basis of both groups receiving traditional Chinese medicine （TCM） lung rehabilitation training， the observation group took Dingkundan 7 g/time orally， twice a day. The control group received oral administration of the same specification of Dingkundan starch simulator of 7 g/time， twice a day. Both groups have a treatment period of 12 weeks. The COPD Assessment Test （CAT）， modified Medical Research Council （mMRC）， fatigue scale-14 （FS-14）， self-rating anxiety scale （SAS）， self-rating depression scale （SDS）， 6-minute walk distance （6MWD）， and pulmonary function before and after treatment were evaluated. ResultAfter treatment， both groups showed improvements in CAT， mMRC， FS-14， SAS scores， and 6MWD （P<0.05）. The observation group also showed improvements in SDS scores and lung function indicators （P<0.05）. Compared with the control group after treatment， the observation group showed more significant improvement in CAT， FS-14， SAS， SDS scores， and 6MWD （P<0.05）. ConclusionDingkundan has a clear therapeutic effect on Qi stagnation and blood stasis syndrome in patients with COPD at a stable phase. It can reduce symptom burden， enhance exercise capacity， and improve psychological status and has the potential to improve lung function.

Youguiwan Reduces Airway Inflammation in COPD Rats with Syndrome of Kidney-Yang Deficiency by Inhibiting Leptin/JAK2/STAT3 Signaling Pathway / 中国实验方剂学杂志

ObjectiveTo observe the effect of Youguiwan on the leptin/Janus kinase 2 （JAK2）/signal transducer and activator of transcription 3 （STAT3） signaling pathway in the lung tissue of the rat model of chronic obstructive pulmonary disease （COPD） due to kidney-Yang deficiency. MethodForty rats were modeled for COPD with the syndrome of kidney-Yang deficiency by intratracheal instillation of lipopolysaccharide on day 1 and day 14 and continuous fumigation for 6 weeks， during which hydrocortisone was injected intramuscularly at an interval of 3 days. The modeled rats were randomized into model， high- （11.7 g·kg-1）， medium- （5.85 g·kg-1）， and low-dose （2.93 g·kg-1） Youguiwan， and aminophylline （0.054 g·kg-1） group. In addition， 8 SD rats were set as the blank group. After the completion of modeling， the rats in each group were administrated with the corresponding drug by gavage for 28 consecutive days. After the last administration， samples were collected. A lung function analyzer was used to evaluate the lung function of rats. Enzyme-linked immunosorbent assay was employed to measure the levels of interleukin-17A （IL-17A）， interleukin-6 （IL-6）， and tumor necrosis factor-α （TNF-α） in the bronchoalveolar lavage fluid （BALF）. Hematoxylin-eosin staining was employed to observe the pathological changes in the lung tissue， and Masson staining was employed to observe the deposition of blue collagen fibers around bronchi in the lung tissue and calculate the inflammation score. The immunofluorescence assay was employed to measure the protein content of collagen type Ⅰ （ColⅠ） and α-smooth muscle actin （α-SMA） in the bronchi. The protein and mRNA levels of leptin， IL-17A， JAK2， and STAT3 in the lung tissue were determined by Western blot and real-time fluorescence quantitative polymerase chain reaction， respectively. ResultCompared with the blank group， the model group showed decreased lung function （P<0.01）， elevated levels of IL-6， IL-17A， and TNF-α in the BALF （P<0.01）， and increased lung inflammation score， deposition of subcutaneous collagen fibers in the airway， and ColⅠ and α-SMA proteins （P<0.01）. Furthermore， the modeling up-regulated the proteins and mRNA levels of leptin， IL-17A， JAK2， and STAT3 in the lung tissue （P<0.01） and enhanced the phosphorylation of JAK2 and STAT3 （P<0.01）. Compared with the model group， high- and medium-dose Youguiwan improved the lung function， decreased the inflammation score， reduced collagen fiber deposition and ColⅠ and α-SMA proteins， lowered the levels of IL-6， IL-17A， and TNF-α in the BALF， down-regulated the mRNA and protein levels of leptin， JAK2， STAT3， and IL-17A， and weakened the phosphorylation of JAK2 and STAT3 （P<0.05， P<0.01）. The aminophylline group had higher IL-17A and TNF-α levels than the high-dose Youguiwan group， lower IL-17A level than the medium and low-dose Youguiwan groups， and lower TNF-α level than the low-dose Youguiwan group. Compared with the aminophylline group， the high- and medium-dose Youguiwan groups showed reduced deposition of collagen fibers and protein levels of ColⅠ and α-SMA around the bronchi in the lung tissue （P<0.05， P<0.01）， decreased inflammation score， and down-regulated protein and mRNA levels of leptin， JAK2， STAT3， and IL-17A in the lung tissue. ConclusionYouguiwan can prevent airway remodeling by inhibiting IL-17A to reduce inflammation and collagen deposition in COPD rats， which may be related to the inhibition of the leptin/JAK2/STAT3 signaling pathway.

Ideas and methods of in vitro model establishment for cell microenvironment in COPD / 中国药理学通报

Chronic obstructive pulmonary disease ( COPD ) major chronic disease threatening public health with complex pathological mechanisms. The change of the cell microenvironment of the lung is an important part of the pathophysiology of COPD. Cell culture technology is an important method to investigate the pathological mechanism of COPD and evaluate the pharmacological effect of medicine. Here we introduce the composition of the cell microenvironment of the lung, the change of the cell microenvironment in the pathological process of COPD, and summarize the application of in vitro model mimics cell microenvironment of COPD in the study of mechanism. In addition, we aim to put forward the ideas of the in vitro model establishment of cell microenvironment of COPD.

Videofluoroscopic measures of swallowing in people with stable COPD compared to healthy aging

ABSTRACT Purpose Swallowing impairment is a serious extra-pulmonary manifestation of Chronic Obstructive Pulmonary Disease (COPD). Previous studies suggest that individuals with stable COPD show atypical values for several videofluoroscopy measures of swallowing, compared to healthy adults under age 60. However, it is unclear to what degree these changes are attributable to healthy aging. In this study, we aimed to clarify how swallowing in people with stable COPD differs from age-matched healthy controls. Methods We performed a retrospective analysis of videofluoroscopy data from two previously-collected datasets: a) a sample of 28 adults with stable COPD (18 male); b) a sample of 76 healthy adults, from which 28 adults were selected, matched for sex and age to participants in the COPD cohort. In both prior studies, participants swallowed 20% w/v liquid barium prepared in different consistencies (thin; mildly, moderately, and extremely thick). Blinded duplicate ratings were performed according to a standard procedure, yielding measures of laryngeal vestibule closure (LVC) integrity and timing, swallow timing, upper esophageal sphincter (UES) opening, pharyngeal constriction and pharyngeal residue. Mann-Whitney U tests and odds ratios were performed to determine significant group differences (p<.05). Results Across the consistencies tested, participants with COPD showed significantly shorter durations of LVC, earlier onsets and shorter durations of UES opening, and reduced pharyngeal constriction. No significant differences were seen in other measures. Conclusion These results point to features of swallowing in people with stable COPD that differ from changes seen with healthy aging, and which represent risks for potential aspiration.

Effect of water exercise on the respiratory function and functional capacity of patients with COPD: a randomized controlled trial / Efeito do exercício aquático na função respiratória e capacidade funcional de pacientes com DPOC: um ensaio clínico randomizado

Abstract Introduction Chronic obstructive pulmonary disease (COPD) not only restricts airflow but also induces sys-temic manifestations in individuals with the disease. Objective To evaluate the effect of a water-based aero-bic exercise program on respiratory muscle strength, thoracic mobility, dyspnea, and functional capacity in patients with COPD. Methods We conducted a blind randomized controlled trial with 22 patients with COPD, dividing them into a control group (CG) and a training group (TG). The TG participated in 24 sessions of a water aerobic exercise program, while the CG only partici-pated in the evaluations. Maximal respiratory pressure (MRP), dyspnea, and functional capacity were measured. Results When comparing the MRP values (cmH2O) in the pre- and post-training conditions, the results revealed a significant improvement in the TG [maximal inspiratory pressure (MIP): 74.8 ± 15.3 vs. 83.9 ± 17.2; maximal expi-ratory pressure (MEP): 141.5 ± 30.7 vs. 157.6 ± 32.9], whereas no difference was observed for the CG (MIP: 55.5 ± 21.8 vs. 54.4 ± 18.4; MEP: 116.2 ± 40.3 vs. 109.3 ± 38.9). Regarding thoracic mobility in the pre- and post-training conditions, no significant difference was found for the CG, whilst for the TG there was a significant in-crease at the axillary level (cm) (5.9 ± 1.8 vs. 7.7 ± 1.1). With respect to functional capacity, there was a signifi-cant increase in walking distance during the six-minute walking test only in the TG when comparing pre- and post-training conditions (462.1 ± 62.9 vs. 538.5 ± 63.7). Lastly, the dyspnea results demonstrated that after the training period there was a major reduction in the scores of Medical Research Council (3.1 ± 0.8 vs. 1.9 ± 0.7) and Borg CR-10 scales (5.2 ± 0.8 vs. 3.7 ± 0.3) only for the TG. Conclusion The water aerobic exercise training promoted beneficial changes in respiratory mus-cle strength, thoracic mobility, functional capacity and dyspnea among patients with COPD.

Resumo Introdução A doença pulmonar obstrutiva crônica (DPOC) não apenas restringe o fluxo aéreo, mas também induz mani-festações sistêmicas em indivíduos com a doença. Objetivo Avaliar o efeito de um programa de exercícios aeróbicos aquáticos na força muscular respiratória (FMR), mobilidade torácica, dispneia e capacidade funcional em pacientes com DPOC. Métodos Realizou-se um ensaio clínico randomizado cego com 22 pacientes com DPOC, divi-dindo-os em grupo controle (GC) e grupo treinamento (GT). O GT participou de 24 sessões de um programa de exercícios aeróbicos aquáticos, enquanto o GC participou somente das avaliações. Foram me-didas a pressão respiratória máxima, (PRM) dispneia e capa-cidade funcional. Resultados Ao comparar os valores da PRM (cmH2O) nas condições pré e pós-treinamento, os resultados revelaram melhora significativa no GT [pressão inspiratória má-xima (PImáx): 74,8 ± 15,3 vs. 83,9 ± 17,2; pressão expiratória máxima (PEmáx): 141,5 ± 30,7 vs. 157,6 ± 32,9], enquanto não observou-se diferença para o GC (PImáx: 55,5 ± 21,8; vs. 54,4 ± 18,4; PEmáx: 116,2 ± 40,3 vs. 109,3 ± 38,9). Em relação à mobilidade torácica nas condições pré e pós-treinamento, não foi encontrada diferença significativa para o GC, enquanto para o GT houve um aumento significante no nível axilar (cm) (5,9 ± 1,8 vs. 7,7 ± 1,1). Com relação à capacidade funcional, houve aumento significativo da distância percorrida durante o teste de caminhada de 6 minutos apenas no GT quando comparadas as condições pré e pós-treinamento (462,1 ± 62,9 vs. 538,5 ± 63,7). Por fim, os resultados da dispneia demonstraram que após o período de treinamento houve uma redução importante nas pontuações do Medical Research Council (3,1 ± 0,8 vs. 1,9 ± 0,7) e nas escalas Borg CR-10 (5,2 ± 0,8 vs. 3,7 ± 0,3) apenas para o GT. Conclusão O trei-namento físico aquático promoveu alterações benéficas na força muscular respiratória, mobilidade torácica, capacidade funcional e dispneia em pacientes com DPOC.

Risk factors and determinants of pulmonary function impairments in chronic respiratory diseases in Ethiopia: A hospital-based cross-sectional study

Introduction: Chronic respiratory diseases (CRDs) are diseases of the lung airways and parenchyma. Globally, they are the leading causes of morbidity and mortality. This study aimed to characterize the common CRDs, along with their lung function and possible determinants in symptomatic patients attending Bishoftu General Hospital, Ethiopia. Methods: A cross-sessional study was conducted at the outpatient of Bishoftu Hospital, Ethiopia from June 2019 to March 2020. Consecutive adult patients aged 18 and above with CRDs (≥8 weeks) were recruited. Questionnaires were used to collect data on demographics, symptoms, diagnoses, and putative risk factors. Lung function was measured by spirometry. Result: A total of 170 participants were recruited, the majority 102(60.0%) were female. The mean age was 49 years (SD=16). The most common symptoms were wheezing in the last twelve months 156 (91.8%), cough 138 (81.2%), and severe exertional breathlessness 137 (80.6%). Thirty-nine (22.9%) were either active or passive smokers. Half of the patients (50.3%) were exposed daily to vapors, dust, gases, or fumes and 58 (34.3%) were exposed to biomass smoke. In total, 138 (81.2%) had a positive allergen skin prick test. Chronic bronchitis (49.1%) and asthma (36.1%) were the most common clinical diagnoses. Classification of lung function revealed 23 (15%) normal, 29 (19%) obstructive, 36(23.5%) restrictive and 61(39.9%) mixed patterns. Airflow obstruction was independently associated with increasing age (p<0.05), exertional breathlessness (p<0.001), previous history of asthma (p<0.05), BMI (p<0.05), and doctor-diagnosed chronic obstructive pulmonary disease (p<0.001) and asthma (p<0.05). Conclusion: This study shows a high burden of abnormal lung function in patients attending clinics because of CRDs symptoms. These findings support the critical need for spirometry services to determine lung abnormality in patients with chronic respiratory symptoms.

Corticoides inhalados como factor de riesgo de neumonía adquirida en la comunidad en enfermedad pulmonar obstructiva crónica

Objetivo: Determinar si el uso de corticoides inhalados es factor de riesgo de neumonía adquirida en la comunidad en pacientes con enfermedad pulmonar obstructiva crónica en el Hospital Víctor Lazarte Echegaray durante el período 2017-2020. Métodos: El estudio fue analítico, observacional, retrospectivo de casos y controles no emparejados a razón de 4:1, con una población de 405 sujetos; se seleccionaron 81 casos y 324 controles, quienes cumplieron los criterios de selección. Se realizó un muestro no probabilístico. Se incluyeron las variables, uso de corticoides inhalados, pacientes con neumonía adquirida en la comunidad, edad, sexo, desnutrición y tabaquismo. La medida de asociación se hizo utilizando la prueba no paramétrica Chi Cuadrado de Pearson y la prueba exacta de Fisher en frecuencias menores de 5. El análisis bivariado y multivariado se realizó mediante regresión logística múltiple con significancia estadística (valor p 0,05). Conclusión: El uso de corticoides inhalados no es factor de riesgo de neumonía adquirida en la comunidad en pacientes con enfermedad pulmonar obstructiva crónica.

Objective: To determine if the use of inhaled corticosteroids is a risk factor for community-acquired pneumonia in patients with Chronic Obstructive Pulmonary Disease at the Víctor Lazarte Echegaray Hospital during the period 2017-2020. Methods: The study was analytical, observational, retrospective of cases and unmatched controls in a ratio of 4:, with a population of 405 subjects from whom 81 cases and 324 controls were selected, who met the selection criteria. A non-probabilistic sampling was carried out. The variables, use of inhaled corticosteroids, patients with community-acquired pneumonia, age, sex, malnutrition and smoking were included. The association was measured using Pearson's non-parametric Chi-square test and Fisher's exact test at lower frequencies less than 5. The bivariate and multivariate analysis was performed using multiple logistic regression with statistical significance (p value 0.05). Conclusion: The use of inhaled corticosteroids is not a risk factor for community-acquired pneumonia in patients with chronic obstructive pulmonary disease.

Female sexual dysfunction in chronic obstructive pulmonary disease

Background: Sexual life of women with chronic obstructive pulmonary disease (COPD) can be affected by breathing difficulties, a decrease in functional status, depressive mood and fatigue. Objetive: To evaluate the sexual dysfunction in female COPD patients and the possible explanatory mechanisms or correlations between these conditions. Methods: The study included 70 female patients with COPD aged between 36-65 and 70 age-matched controls. All the subjects completed questionnaires for the Female Sexual Functional Index (FSFI), BECK depression inventory and, spirometry. Results: Statistically significant sexual dysfunction was noted in COPD patients compared to the non-COPD group (p0.005). In linear regression analysis determining depression, no statistically significant factor was found among age, number of comorbidities, and FEV1/ forced vital capacity (FVC) % predicted (p>0.05). In multivariable analysis, only fatigue during intercourse was found to be a statistically significant factor in predicting sexual dysfunction among factors like age, presence of comorbidities, duration of the disease, smoking status, FEV1%, m MRCpoints, 6-minutes walk test, BECK depression scores (p=0.008). Conclusion: Sexual dysfunction is reported in many COPD females and seems to be related not to spirometric measures or exercise capacity but to fatigue. Depression is also a common comorbidity, of which both disorders are often neglected.

Antecedentes: La vida sexual en mujeres con enfermedad pulmonar obstructiva crónica (EPOC) es afectada por dificultades respiratorias, disminución del estado funcional, estado de ánimo depresivo y fatiga. Objetive: Evaluar la disfunción sexual en mujeres con EPOC y posibles mecanismos explicativos de esas dos condiciones Métodos: Participaron 70 pacientes mujeres con EPOC, rango edad 36-65 años y 70 controles emparejados por edad. Todos los sujetos respondieron un cuestionario para el índice funcional sexual femenino e inventario de depresión de BECK, mas una espirometría. Resultados: Se observó disfunción sexual significativa en las pacientes con EPOC comparado con el grupo sin EPOC. Las puntuaciones del inventario de depresión BECK fueron significativamente inferiores a las del grupo control. No hubo correlación entre las puntuaciones del FSFI y la depresión BECK con las características de las "mujeres" (r=-0.055). No se encontraron diferencias significativas en edad, FEV1% y antecedentes de exacerbación del año anterior según la gravedad de la depresión. En la regresión lineal para determinar la depresión, no hubo ningún factor estadísticamente significativo entre edad, número de comorbilidades y FEV1/FVC% predicho. En el multivariado, sólo la fatiga durante el coito resultó ser un factor significativo para predecir la disfunción sexual entre factores como edad, presencia de comorbilidades, duración de la enfermedad, hábito tabáquico, FEV1%, m MRCpoints, prueba de la marcha de 6 minutos y puntuaciones de depresión de BECK. Conclusiones: La disfunción sexual parece no estar relacionada con las medidas espirométricas o la capacidad de ejercicio, pero si con la fatiga. La depresión es una comorbilidad frecuente, de la que a menudo se descuidan ambos trastornos.

Noncommunicable and Communicable Diseases: Finding Common Ground

As the world grapples with unprecedented health challenges, such as coronavirus disease 2019 (COVID-19) and now monkeypox, the focus on traditional concerns, like maternal and child health, and relatively newer pandemics, e.g., diabetes and obesity tend to get diluted. This is especially concerning in countries which face a dual challenge of both communicable and noncommunicable diseases (NCDs). In this article, we list the factors that are common to both communicable disease and NCDs, and suggest measures to integrate procedures for their screening, management and prevention.

Six-minute walk test for assessment of work capability in patients with chronic obstructive pulmonary disease: A cross-sectional comparative study

Background: Chronic obstructive pulmonary disease (COPD) is a systemic disorder causing morbidity, disability, and mortality throughout the world. Although, spirometry parameters have been used for decades to diagnose COPD as well as to grade the severity of this disease, others factors such as the BMI, degree of inflation, and exercise capacity have become important outcome measures for extra-pulmonary manifestations. The 6-min walk test (6MWT) is considered as a simple test to assess the functional capacity of COPD patients. The aim of our study was to implement 6MWT in patients of COPD in our setup to predict morbidity. Aims and Objectives: The objective of our study was to implement 6MWT in patients of COPD in our setup to predict morbidity. Materials and Methods: A cross-sectional comparative study was conducted on thirty COPD patients and thirty control subjects. All the subjects were investigated through history taking, clinical examination, spirometry, and 6MWT in the Department of Physiology, R.G. Kar Medical College and Hospital, Kolkata. Statistical analysis was done by SPSS version-21. Results: The values of the spirometry parameters were significantly reduced in cases than in the controls (P < 0.05). The values of 6-min walk distance as well as 6-min work (6MWORK) were also significantly reduced in cases than in the controls (P = 0.0023 and P = 0.0028, respectively). A strong positive correlation was found between forced vital capacity and 6MWORK (r = 0.556), BMI, and 6MWORK (r = 0.84) in patients of COPD. Conclusion: Our study substantiates that 6MWT can be implemented in our set up to assess the work capability and thus to predict morbidity in patients of COPD.

Factores de riesgo de mortalidad en pacientes con enfermedad pulmonar obstructiva crónica exacerbada / Risk factors for mortality in patients with exacerbated chronic obstructive pulmonary disease

Introducción: La enfermedad pulmonar obstructiva crónica es un problema de salud; constituye la tercera causa de muerte en el mundo, la exacerbación de esta enfermedad es responsable del fallecimiento de un elevado porcentaje de pacientes. Objetivo: Identificar factores de riesgo de mortalidad en pacientes hospitalizados con enfermedad pulmonar obstructiva crónica exacerbada. Métodos: Se realizó una investigación transversal, analítica, en el Hospital General Provincial Camilo Cienfuegos de Sancti Spíritus, durante dos años. Se incluyeron 335 pacientes. Se estudiaron variables sociodemográficas y clínicas. Para la identificación de factores de riesgo se elaboró un modelo de regresión logística binaria mediante el método hacia delante de Wald. Resultados: En el modelo de regresión logística el índice de porcentaje global que mostró la relación entre lo pronosticado respecto a lo observado fue de un 94,6 por ciento. Los predictores utilizados explicaron el 86,3 por ciento de la variabilidad de la variable dependiente. El análisis estadístico permitió identificar factores de riesgo de mortalidad: insuficiencia respiratoria aguda, diagnóstico de neumonía, tromboembolismo pulmonar, edad mayor de 60 años y adicción tabáquica. Conclusiones: La identificación de cinco factores de riesgo de mortalidad en pacientes hospitalizados por enfermedad pulmonar obstructiva crónica exacerbada, con el empleo de un modelo predictivo para el cálculo de la probabilidad de fallecimiento; contribuyó al perfeccionamiento de la atención médica individualizada, en función de minimizar la ocurrencia de eventos fatales en estos pacientes(AU)

Introduction: Chronic obstructive pulmonary disease is a health problem; It is the third cause of death in the world, the exacerbation of this disease is responsible for the death of a high percentage of patients. Objective: To identify risk factors for mortality in hospitalized patients with exacerbated chronic obstructive pulmonary disease. Methods: A cross-sectional, analytical investigation was carried out, based on the epidemiological design of correlational studies, at the Camilo Cienfuegos Provincial General Hospital of Sancti Spíritus, for two years. 335 patients were included. Sociodemographic and clinical variables were studied. To identify risk factors, a binary logistic regression model was developed using the Wald forward method. Mortality during hospitalization for exacerbated COPD was considered the dependent variable. Results: In the logistic regression model, the global percentage index that showed the relationship between what was predicted with respect to what was observed was 94, 6 percent. The predictors used explained 86, 3 percent of the variability of the dependent variable. Statistical analysis allowed us to identify the following risk factors for mortality: acute respiratory failure, diagnosis of pneumonia, pulmonary thromboembolism, age over 60 years, and smoking addiction. Conclusions: The identification of five mortality risk factors in patients hospitalized for exacerbated COPD, with the use of a predictive model to calculate the probability of death; contributes to the improvement of individualized medical care, in order to minimize the occurrence of fatal events in these patients(AU)

Does cryptogenic organizing pneumonia change seasonal?

SUMMARY BACKGROUND AND AIM: Meteorological factors affect the respiratory system, and the most important factor is the change in ambient temperature and humidity. We aimed to investigate the seasonal characteristics of patients diagnosed with cryptogenic organizing pneumonia. METHODS: The study included 84 cryptogenic organizing pneumonia, 55 chronic obstructive pulmonary disease, and 42 asthma patients. To determine the characteristics of the disease according to the seasons, the number of attacks and admissions was grouped according to the seasonal characteristics and analyzed for three groups. RESULTS: Among cryptogenic organizing pneumonia and chronic obstructive pulmonary disease patients, males significantly predominated (p<0.001). The hospitalization rate was highest in chronic obstructive pulmonary disease patients but similar to cryptogenic organizing pneumonia and asthma patients (p<0.001). The highest admission rate in cryptogenic organizing pneumonia patients was observed in spring (39.3% in spring, 26.2% in fall, 22.6% in winter, and 11.9% in summer). In winter, cryptogenic organizing pneumonia patients were admitted less frequently than chronic obstructive pulmonary disease and asthma patients. The neutrophil-to-lymphocyte ratio was higher in cryptogenic organizing pneumonia patients than in asthma patients and similar to chronic obstructive pulmonary disease patients. CONCLUSION: As a result of our study, the high rate of diagnosis and admission in the spring in cryptogenic organizing pneumonia suggested that the effect of allergens on the formation of cryptogenic organizing pneumonia should be investigated. In contrast, it should be kept in mind that cryptogenic organizing pneumonia may develop as a prolonged finding of involvement that may occur in the lung parenchyma due to lung infections and/or cold weather triggering during the winter months. In this regard, further studies can be conducted in which allergens and/or the history of infection in patients and meteorological variables are also evaluated.

Effect of body mass index on pulmonary function and quality of life in elderly patients with chronic obstructive pulmonary disease / 公共卫生与预防医学

Objective To analyze the effect of body mass index (BMI) on pulmonary function and quality of life in elderly patients with chronic obstructive pulmonary disease (COPD), and to provide theoretical basis for the diagnosis and treatment of COPD. Methods A total of 1 278 patients who visited the respiratory department of our hospital from January 2019 to June 2022 were selected as the research objects, including 368 COPD patients, 225 of whom were in stable stage and 143 of whom were in acute exacerbation stage. According to BMI, they were divided into low group (n=31, BMI2), normal group (n=198,18.5kg/m2≤BMI2), overweight group (n=106, 24kg/m2≤BMI2) and obese group (n=33,BMI≥28 kg/m2). Health-related quality of life (HRQOL) was used to evaluate the quality of life of patients. Forced expiratory volume in one second (FEV1), forced vital capacity (FVC) and FEV1/FVC were measured by pulmonary function instrument to evaluate the pulmonary function grade of patients. Logistic regression was used to analyze the risk factors of pulmonary function and quality of life in COPD patients. Results There were significant differences in age, smoking, BMI and hyperlipidemia between stable COPD patients and acute exacerbation COPD patients with different BMI groups (P<0.05). There were significant differences in the proportion of pulmonary function Ⅲ/Ⅳ, FEV1/FVC, FEV1pred and HRQOL scores among different BMI groups (P<0.05) . The FEV1/FVC and FEV1pred in patients with acute exacerbation and stable COPD from high to low were obese group, overrecombination group, normal group and too low group, and the differences were statistically significant (P<0.05). The HRQOL scores of COPD patients in acute exacerbation and stable stage from high to low were obese group, overweight group, normal group and too low group, and the difference was statistically significant (P<0.05). Low body mass index was a risk factor for pulmonary function in COPD patients at stable stage (OR=2.52) and acute exacerbation stage (OR=2.83) (P<0.05). High body mass index was a risk factor for quality of life in patients with stable COPD (OR=2.43) and acute exacerbation (OR=2.65) (P<0.05). Conclusion BMI can affect pulmonary function and quality of life in COPD patients. Patients should maintain normal BMI, which can improve pulmonary function and quality of life.

Analysis on Material Basis of Anti-COPD Effect of Euphorbia helioscopia Based on Serum Pharmacochemistry and Network Pharmacology / 中国实验方剂学杂志

ObjectiveTo analyze the migrating components absorbed into blood of the aqueous extract of Euphorbia helioscopia， and to explore the pharmacodynamic material basis of the aqueous extract of E. helioscopia against chronic obstructive pulmonary disease（COPD）. MethodUltra-performance liquid chromatography-quadrupole-time-of-flight mass spectrometry（UPLC-Q-TOF-MS/MS） was used to detecte the migrating components absorbed into blood of rats after intragastric administration of aqueous extract of E. helioscopia. An Agilent RRHD SB-C18 column（3 mm×100 mm， 1.8 μm） was used with 0.1% formic acid aqueous solution（A）-acetonitrile（B） as the mobile phase for gradient elution（0-15 min， 5%-30%B； 15-20 min， 30%-50%B； 20-30 min， 50%-95%B； 30-35 min， 95%-5%B）， and the detection wavelength of 190-800 nm， column temperature of 40 ℃， flow rate of 0.3 mL∙min-1 and injection volume of 4 μL. The electrospray ionization（ESI） was used in positive and negative ion modes， and the detection range was m/z 50-1 250. Network pharmacology was used to screen out the key components and the key targets of COPD through the interaction analysis. Metascape database was used to predict the molecular function， biological process， cellular composition and signal pathways mainly involved in the anti-COPD effect of E. helioscopia. Molecular docking technique was used to determine the affinity of key targets with key components. ResultA total of 29 migrating components absorbed into blood of rats were identified after intragastric administration of aqueous extract of E. helioscopia， 9 of which were prototype components and 20 were metabolites. Network pharmacological analysis showed that luteolin， quercetin， apigenin， naringenin and helioscopinolide C were the key components of E. helioscopia against COPD， and vascular endothelial growth factor A（VEGFA）， albumin（ALB）， protein kinase B1（Akt1）， tumor necrosis factor（TNF） and interleukin-6（IL-6） were the key targets. Molecular docking results showed that one diterpene lactone（helioscopinolide C） and three flavonoids（naringenin， luteolin， apigenin） in the migrating components absorbed into blood all had strong binding activity to the key targets of E. helioscopia against COPD. ConclusionNaringenin， helioscopinolide C， luteolin and apigenin may be the main anti-COPD active substances of E. helioscopia.

Etiological distribution and influencing factors of COPD patients with pulmonary infection / 公共卫生与预防医学

Objective To discuss the Etiological Distribution of COPD patients and explore the potential influencing factors of COPD infection. Methods From January 2018 to January 2021, 134 patients with concurrent pulmonary infection and 131 patients without any infection were selected from all 295 patients with COPD treated in our hospital. A total of 265 patients (30 patients with accidental pulmonary infection and other organ system infection, which did not meet the inclusion and exclusion criteria of this study, were excluded). The study collected the basic information of subjects and the information of potential factors affecting pulmonary infection. SPSS statistical software package was used to analyze the research data. Firstly, the etiology of patients with COPD infection (134 cases) was further analyzed to explore the distribution characteristics of etiology. At the same time, the related conditions of COPD patients with infection (134 cases) and patients without any infection (131 cases) were compared and analyzed to explore the related factors affecting COPD patients with pulmonary infection. Results A total of 149 bacterial strains were detected in this study. Gram-negative bacteria accounted for a higher proportion of lung infection (97/149 , 65.10%), gram-positive bacteria 50 strains (50/149 , 33.56%), and other (fungi, etc.) 2 strains (2/149 , 1.34%). Gram-negative bacteria included acinetobacter baumannii (53/149 , 35.57%), Klebsiella pneumoniae (25/149 , 16.78%), Pseudomonas aeruginosa (16/149 , 10.74%) and Escherichia coli (3/149 , 2.01%). Gram-positive bacteria included staphylococcus aureus (24/149,16.11%), Staphylococcus superficial (13/149 , 8.72%), Staphylococcus haemolyticus (9/149 , 6.04%), and streptococcus pneumoniae (4/149,2.68%). Compared with chronic obstructive pulmonary disease (134 cases) and without any infection (131 cases), it was suggested that the proportion of patients aged >60 years, smoking history, type 2 diabetes mellitus, mechanical ventilation and antibiotics use time was >15 days (P60 years, smoking history, type 2 diabetes mellitus, and >15 OR duration of antimicrobial use were all risk factors, and all of them had P<0.05. Conclusion Gram negative bacteria are the main pathogens of lung infection in COPD patients. The risk of lung infection is higher in patients with high age, smoking history, type 2 diabetes and long time use of antibiotics, which is worthy of clinical attention.