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Nanowire-mediated miR NA delivery

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Science China Life Sciences 2024年

作者： Yuan Wang Bing Chen Laboratory for Biomaterials and Drug Delivery Department of Anesthesiology Division of Critical Care Medicine Boston Children's Hospital Harvard Medical School College of Electronic and Optical Engineering and College of Flexible Electronics (Future Technology) Nanjing University of Posts and Telecommunications

In the ever-evolving nanomedicine and biotechnology, the pursuit of advanced drug delivery systems that induce precise positioning and targeting in the complex biological landscape for personalized and efficient therapies has become a paramount endeavor (Vargason et al., 2021).Central to this trend is the delivery of functional microRNAs (miRNAs), which play crucial roles in regulating gene expression (Li et al., 2021).

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Is it necessary to stop glucagon-like peptide-1 receptor agonists prior to endoscopic procedure? A retrospective study

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World Journal of Gastroenterology 2024年第26期30卷 3221-3228页

作者： Haider Ghazanfar Nismat Javed Abeer Qasim Franklin Sosa Faryal Altaf Shazia Khan Jaydeep Mahasamudram Abhilasha Jyala Sameer Datta Kandhi Dongmin Shin Nikhitha Mantri Haozhe Sun Siddarth Hanumanthu Harish Patel Jasbir Makker Bhavna Balar Anil Dev Sridhar Chilimuri division of Gastroenterology Department of Internal MedicineBronxCare Health SystemIcahn School of Medicine at Mount SinaiBronxNY 10457United States Department of Internal medicine BronxCare Health SystemIcahn School of Medicine at Mount SinaiBronxNY 10457United States

BACKGROUND Glucagon-like peptide-1 receptor agonists(GLP-1 RA)are effective in diabetes and obesity,reducing hyperglycemia by increasing insulin release and delaying gastric ***,they can cause gastroparesis,raising concerns about aspiration during *** guidelines advise discontinuing GLP-1 RA before surgery to reduce the risk of pulmonary *** To evaluate the effect of GLP-1 RAs on gastric residual contents during endosco-pic *** A retrospective chart review at BronxCare Health System,New York,from January 2019 to October 2023,assessed gastric residue and aspiration in GLP-1 RA patients undergoing endoscopic *** groups were compared based on dietary status before the *** included demographics,symptoms of gastroparesis,opiate use,hemoglobin A1c,GLP-1 agonist indication,endo-scopic details,and aspiration *** SPSS was used for analysis,cal-culating means,standard deviations,and applying Pearson’s chi-square and t-tests for associations,with P<0.05 as being *** During the study,306 patients were included,with 41.2%on a clear liquid/low residue diet and 58.8%on a regular diet before *** patients(63.1%)were male,with a mean age of 60±12 *** majority(85.6%)were on GLP-1 RAs for diabetes,and 10.1%reported digestive symptoms before *** those on a clear liquid diet,1.5%had residual food at endoscopy compared to 10%on a regular diet,which was statistically significant(P=0.03).Out of 31 patients with digestive symptoms,13%had residual food,all from the regular diet group(P=0.130).No complications were reported during or after the *** The study reflects a significant rise in GLP-1 RA use for diabetes and obesity.A 24-hour liquid diet seems safe for endoscopic procedures without *** with upper gastrointestinal symptoms might have a higher residual food risk,though not statistically *** research is needed

关键词： Glucagon-like peptide-1 agonists Gastroparesis Endoscopic procedures Residual food Complications

Study on the efficacy of early treatment with pirfenidone on the lung function of patients with idiopathic pulmonary fibrosis

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World Journal of Clinical Cases 2024年第22期12卷 4913-4923页

作者： Ying Lei Jian-Hui Sheng Xu-Ru Jin Xian-Bing Liu Xiao-Yan Zheng Xiao-Hua Xu Department of pulmonary and critical Care medicine The Quzhou Affiliate Hospital of Wenzhou Medical UniversityQuzhou 324000Zhejiang ProvinceChina Department of Clinical Laboratory The Quzhou Affiliate Hospital of Wenzhou Medical UniversityQuzhou 324000Zhejiang ProvinceChina

BACKGROUND Idiopathic pulmonary fibrosis(IPF)is classified under fibrotic interstitial pneumonia,characterized by a chronic and progressive *** predominant clinical features of IPF include dyspnea and pulmonary *** To assess the effects of pirfenidone in the early treatment of IPF on lung function in *** A retrospective analysis was performed on 113 patients with IPF who were treated in our hospital from November 2017 to January *** patients were divided into two groups:control group(n=53)and observation group(n=60).In the control group,patients received routine therapy in combination with methylprednisolone tablets,while those in the observation group received routine therapy together with *** applying these distinct treatment approaches to the two groups,we assessed several parameters,including the overall effectiveness of clinical therapy,the occurrence of adverse reactions(e.g.,nausea,vomiting,and anorexia),symptom severity scores,pulmonary function index levels,inflammatory marker levels,and the 6-min walk distance before and after treatment in both *** The observation group exhibited significantly higher rates than the control group after therapy,with a clear distinction(Ppulmonary function index levels between the two groups of patients after therapy,the observation group displayed significantly higher levels than the control group,with a noticeable difference(P<0.05).Evaluating the inflammatory marker data(C-reactive protein,interleukin-2[IL-2],and IL-8)between the two groups of patients after therapy,the observation group

关键词： Pirfenidone Early intervention Idiopathic pulmonary fibrosis pulmonary function Effect evaluation

Echocardiographic predictors and associated outcomes of multiple vegetations in infective endocarditis:A pilot study

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World Journal of Cardiology 2024年第6期16卷 318-328页

作者： Ajay Kumar Mishra Kannu Bansal Ibragim Al-Seykal Pradnya B Bhattad Anu Anna George Anil Jha Nitish Sharma Jennifer Sargent Mark J Kranis division of Cardiology Saint Vincent HospitalWorcesterMA 01608United States Department of Internal medicine Saint Vincent HospitalWorcesterMA 01608United States Department of medicine Division of CardiologySaint Vincent HospitalWorcesterMA 01608United States division of Cardiovascular medicine Saint Vincent HospitalWorcesterMA 01608United States

BACKGROUND Infective endocarditis(IE)is a life-threatening infection with an annual mortality of 40%.Embolic events reported in up to 80%of *** of>10 mm size are associated with increased embolic events and poor *** is a paucity of literature on the association of multiple vegetations with *** To study the echocardiographic(ECHO)features and outcomes associated with the presence of multiple *** In this retrospective,single-center,cohort study patients diagnosed with IE were recruited from June 2017 to June 2019.A total of 84 patients were diagnosed to have IE,of whom 67 with vegetation were *** demographic,clinical,laboratory,and ECHO parameters were *** that were studied included recurrent admission,embolic phenomenon,and *** Twenty-three(34%)patients were noted to have multiple vegetations,13(56.5%)were male and 10(43.5%)were *** mean age of these patients was ***(35%)had a prior episode of *** features of moderate to severe valvular regurgitation[odds ratio(OR)=4],presence of pacemaker lead(OR=4.8),impaired left ventricle(LV)relaxation(OR=4),and elevated pulmonary artery systolic pressure(PASP)(OR=2.2)are associated with higher odds of multiple *** these moderate to severe valvular regurgitation(P=0.028),pacemaker lead(P=0.039)and impaired relaxation(P=0.028)were statistically *** patients were noted to have an increased association of recurrent admissions(OR=3.6),recurrent bacteremia(OR=2.4),embolic phenomenon(OR=2.5),intensive care unit stay(OR=2.8),hypotension(OR=2.1),surgical intervention(OR=2.8)and device removal(OR=4.8).Of this device removal(P=0.039)and recurrent admissions(P=0.017)were statistically *** This study highlights the associations of ECHO predictors and outcomes in patients with IE having multiple *** features of moderate to severe regurgitation,presence of pacemaker lead,impai

关键词： Endocarditis Echocardiography Vegetations Predictors Outcome

Impact of inhaled corticosteroid use on elderly chronic pulmonary disease patients with community acquired pneumonia

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Chinese Medical Journal 2024年第2期137卷 241-243页

作者： Xiudi Han Hong Wang Liang Chen Yimin Wang Hui Li Fei Zhou Xiqian Xing Chunxiao Zhang Lijun Suo Jinxiang Wang Guohua Yu Guangqiang Wang Xuexin Yao Hongxia Yu Lei Wang Meng Liu Chunxue Xue Bo Liu Xiaoli Zhu Yanli Li Ying Xiao Xiaojing Cui Lijuan Li Xuedong Liu Bin Cao Department of pulmonary and critical Care medicine Qingdao Municipal HospitalQingdaoShandong 266011China Department of Nosocomial Infection Qingdao Municipal HospitalQingdaoShandong 266011China Department of Infectious Diseases Nanjing Lishui People’s HospitalNanjingJiangsu 211213China Department of pulmonary and critical Care medicine National Clinical Research Center of Respiratory DiseasesCenter for Respiratory DiseasesChina-Japan Friendship HospitalBeijing 100020China Department of Respiratory medicine Yan’an Hospital Affiliated to Kunming Medical UniversityKunmingYunnan 652199China Department of Respiratory medicine Beijing Huimin HospitalBeijing 100054China Department of pulmonary and critical Care medicine Zibo Municipal HospitalZiboShandong 255000China Department of Respiratory medicine Beijing Luhe HospitalCapital Medical UniversityBeijing 101149China Department of pulmonary and critical Care medicine Weifang No.2 People’s HospitalWeifangShandong 261599China Department of Respiratory medicine Shandong University Affiliated Qilu Hospital(Qingdao)QingdaoShandong 266035China Department of Respiratory medicine the 2nd Hospital of Beijing CorpsChinese Armed Police ForcesBeijing 100044China Department of Infectious Disease Qingdao University Medical College Affiliated Yantai Yuhuangding HospitalYantaiShandong 100191China Department of Respiratory medicine Rizhao Chinese Medical Hospital Affiliated to Shandong Chinese Medical UniversityRizhaoShandong 276800China Department of Respiratory medicine Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical UniversityBeijing 100010China Department of Occupational medicine and Toxicology Beijing Chao-Yang HospitalCapital Medical UniversityBeijing 100020China

To the Editor:With an aging global population,the incidences of community-acquired pneumonia(CAP)and chronic obstructive pulmonary disease(COPD)have signicantly increased.[1]Previous studies have conrmed that COPD and asthma are independently associated with the prevalence of *** use of inhaled corticosteroid(ICS),the cornerstone of treatment for asthma,COPD with frequent acute exacerbations,and asthma-COPD overlap(ACO)may induce changes in the local lung microbiome and abnormal lung immunity,ultimately,causing a signicantly increased risk of ***,in cases of pneumonia,the effect of the use of ICS on CAP mortality remains *** data from one study favored the prior use of ICS,which was associated with a signicantly lower short-term mortality rate,[2]other studies have identied no impact on *** date,data on the impact of the use of ICS on mortality,prehospitalization or during hospitalization,are scarce,particularly in the older ***,this multicenter,retrospective study explored the association between the use of ICS during hospitalization and short-term mortality in older patients with CAP and those with chronic pulmonary disease(CPD).

关键词： pneumonia patients immunity

Transferrin receptor-targeted immunostimulant for photodynamic immunotherapy against metastatic tumors through b-catenin/CREB interruption

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Acta Pharmaceutica Sinica B 2024年第9期14卷 4118-4133页

作者： Mengyi Yan Xiayun Chen Xiaotong Li Qianqian Liu Baixue Yu Yi Cen Wei Zhang Yibin Liu Xinxuan Li Ying Chen Tao Wang Shiying Li The Fifth Affiliated Hospital Guangdong Provincial Key Laboratory of Molecular Target&Clinical Pharmacologythe NMPA and State Key Laboratory of Respiratory Diseasethe School of Pharmaceutical SciencesGuangzhou Medical UniversityGuangzhou 511436China Department of Anesthesiology the Second Clinical School of Guangzhou Medical UniversityGuangzhou 511436China State Key Laboratory of Respiratory Diseases Guangdong Key Laboratory of Vascular DiseasesGuangzhou Institute of Respiratory Healththe first Affiliated HospitalGuangzhou Medical UniversityGuangzhou 510120China Department of pulmonary and critical Care medicine Zhujiang HospitalSouthern Medical UniversityGuangzhou 510280China

The immunosuppressive phenotype of tumor cells extensively attenuates the immune activation effects of traditional *** this work,a transferrin receptor(TfR)targeted immunostimulant(PTI)is fabricated for photodynamic immunotherapy against metastatic tumors by interrupting b-catenin signal *** synthesize PTI,the photosensitizer conjugated TfR targeting peptide moiety(Palmitic-K(PpIX)-HAIYPRH)is unitized to encapsulate the transcription interrupter of *** the one hand,the recognition of PTI and TfR can promote drug delivery into tumor cells to destruct primary tumors through photodynamic therapy and initiate an immunogenic cell death with the release of tumorassociated *** the other hand,PTI will interrupt the binding between b-catenin andcAMP response element-binding protein(CREB),regulating the gene transcription to downregulate programmed death ligand 1(PD-L1)while upregulating CeC motif chemokine ligand 4(CCL4).Furthermore,the elevated CCL4 can recruit the dendritic cells to present tumor-specific antigens and promote T cells activation and infiltration,and the downregulated PD-L1 can avoid the immune evasion of tumor cells and activate systemic anti-tumor immunity to eradicate lung *** work may inspire the development of antibody antibody-free strategy to activate systemic immune response in consideration of immunosuppressive conditions.

关键词： Transferrin receptor b-Catenin signal pathway Tumor targeting Photodynamic therapy Immunotherapy Immunogenic cell death Programmed death ligand 1

Optimization of tracheoesophageal fistula model established with Tshaped magnet system based on magnetic compression technique

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World Journal of Gastroenterology 2024年第16期30卷 2272-2280页

作者： Miao-Miao Zhang Jian-Qi Mao Lin-Xin Shen Ai-Hua Shi Xin Lyu Jia Ma Yi Lyu Xiao-Peng Yan Department of Hepatobiliary Surgery The First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710061Shaanxi ProvinceChina Shaanxi Provincial Key Laboratory of Magnetic medicine The First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710061Shaanxi ProvinceChina Zonglian College Xi’an Jiaotong UniversityXi’an 710061Shaanxi ProvinceChina National Local Joint Engineering Research Center for Precision Surgery&Regenerative medicine The First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710061Shaanxi ProvinceChina Department of pulmonary and critical Care medicine The Second Affiliated Hospital of Xi’an Jiaotong UniversityXi’an 710004Shaanxi ProvinceChina Department of Surgical Oncology Shaanxi Provincial People’s HospitalXi’an 710068Shaanxi ProvinceChina

BACKGROUND The magnetic compression technique has been used to establish an animal model of tracheoesophageal fistula(TEF),but the commonly shaped magnets present limitations of poor homogeneity of TEF and poor model *** designed a Tshaped magnet system to overcome these problems and verified its effectiveness via animal *** To investigate the effectiveness of a T-shaped magnet system for establishing a TEF model in beagle *** Twelve beagles were randomly assigned to groups in which magnets of the Tshaped scheme(study group,n=6)or normal magnets(control group,n=6)were implanted into the trachea and esophagus separately under *** time,operation success rate,and accidental injury were *** operation,the presence and timing of cough and the time of magnet shedding were *** in the control group were euthanized after X-ray and gastroscopy to confirm establishment of TEFs after coughing,and gross specimens of TEFs were *** in the study group were euthanized after X-ray and gastroscopy 2 wk after surgery,and gross specimens were *** size was measured in all animals,and then harvested fistula specimens were examined by hematoxylin and eosin(HE)and Masson trichrome *** The operation success rate was 100%for both *** time did not differ between the study group(5.25 min±1.29 min)and the control group(4.75 min±1.70 min;P=0.331).No bleeding,perforation,or unplanned magnet attraction occurred in any animal during the *** the early postoperative period,all dogs ate freely and were generally in good *** in the control group had severe cough after drinking water at 6-9 d after surgery.X-ray indicated that the magnets had entered the stomach,and gastroscopy showed TEF *** specimens of TEFs from the control group showed the formation of fistulas with a diameter of 4.94 mm±1.29 mm(range,3.52-6.56 mm).HE and Masson trichrome staining showed s

关键词： Magnetic surgery Magnetic compression technique Tracheoesophageal fistula Magnet Animal model Beagles

Hygrometry behavior during high-flow nasal oxygen therapy and non-invasive mechanical ventilation: A narrative review of bench to clinical studies

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重症医学（英文） 2024年第4期04卷 433-441页

作者： Singhal Sanjay Gurjar Mohan Duan Jun Notaro Salvatore Esquinas Antonio M. Department of pulmonary medicine All India Institute of Medical Science Rajkot Gujarat India Department of critical Care medicine Sanjay Gandhi Post Graduate Institute of Medical Sciences (SGPGIMS) Lucknow India Department of Respiratory and critical Care medicine The First Affiliated Hospital of Chongqing Medical University Chongqing China Intensive Care Unit and ECMO A.O.R.N. "Dei Colli" Monaldi Hospital Naples Italy Intensive Care Unit Hospital Morales Meseguer Murcia Spain

Recently, there has been growing interest in knowing the best hygrometry level during high-flow nasal oxygen and non-invasive ventilation (NIV) and its potential influence on the outcome. Various studies have shown that breathing cold and dry air results in excessive water loss by nasal mucosa, reduced mucociliary clearance, increased airway resistance, reduced epithelial cell function, increased inflammation, sloughing of tracheal epithelium, and submucosal inflammation. With the Coronavirus Disease 2019 pandemic, using high-flow nasal oxygen with a heated humidifier has become an emerging form of non-invasive support among clinicians. However, we cannot always assume stable humidification. Similarly, there are no clear guidelines for using humidification during NIV, although humidification of inspired gas during invasive ventilation is an accepted standard of care. NIV disturbs the normal physiological system that warms and humidifies inspired gases. If NIV is supplied through an intensive care unit ventilator that utilizes anhydrous gases from compressed wall air and oxygen, the risk of dryness increases. In addition, patients with acute respiratory failure tend to breathe through the mouth during NIV, which is a less efficient route than nasal breathing for adding heat and moisture to the inspired gas. Obstructive sleep apnea syndrome is one of the most important indications for chronic use of NIV at home. Available data suggest that up to 60% of patients with obstructive sleep apnea syndrome who use continuous positive airway pressure therapy experience nasal congestion and dryness of the mouth and nose. Therefore, humidifying the inspired gas in NIV may be essential for patient comfort and compliance with treatment. We aimed to review the available bench and clinical studies that addressed the utility of hygrometry in NIV and nasal high-flow oxygen and discuss the technical limitations of different humidification systems for both systems.

关键词： Acute respiratory failure Hygrometry Non-invasive mechanical ventilation High flow nasal oxygen Oxygenation Heated humidifier

Effects of diabetic ketoacidosis in the respiratory system

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World Journal of Diabetes 2019年第1期10卷 16-22页

作者： Alice Gallo de Moraes Salim Surani Department of medicine Division of Pulmonary and Critical Care Medicine division of pulmonary Critical Care and Sleep Medicine Texas A and M University

Diabetes affects approximately 30 million persons in the United States. Diabetes ketoacidosis is one of the most serious and acute complications of diabetes. At the time of presentation and during treatment of diabetic ketoacidosis(DKA), several metabolic and electrolyte derangements can ultimately result in respiratory compromise. Most commonly, hypokalemia, hypomagnesemia and hypophosphatemia can eventually lead to respiratory muscles ***, tachypnea, hyperpnea and more severely, Kussmaul breathing pattern can develop. Also, hydrostatic and non-hydrostatic pulmonary edema can occur secondary to volume shifts into the extracellular space and secondary to increased permeability of the pulmonary capillaries. The presence of respiratory failure in patients with DKA is associated with higher morbidity and mortality. Being familiar with the causes of respiratory compromise in DKA, and how to treat them, may represent better outcomes for patients with DKA.

关键词： Diabetes ketoacidosis Respiratory physiology Mechanical ventilation metabolic acidosis Hyperventilation Kussmaul breathing Respiratory failure