abstract：RATIONALE:End-tidal CO2 (EtCO2) is used to monitor cardiopulmonary resuscitation (CPR), but it can be affected by intrathoracic airway closure. Chest compressions induce oscillations in expired CO2, and this could reflect variable degrees of airway patency. OBJECTIVES:To understand the impact of airway closure during ...

journal_title：American journal of respiratory and critical care medicine

authors： Grieco DL,J Brochard L,Drouet A,Telias I,Delisle S,Bronchti G,Ricard C,Rigollot M,Badat B,Ouellet P,Charbonney E,Mancebo J,Mercat A,Savary D,Richard JM

更新日期：2019-03-15 00:00:00

abstract：RATIONALE:Poor adherence is common in difficult-to-control asthma. Distinguishing patients with difficult-to-control asthma who respond to inhaled corticosteroids (ICS) from refractory asthma is an important clinical challenge. OBJECTIVES:Suppression of fractional exhaled nitric oxide (FeNO) with directly observed ICS...

journal_title：American journal of respiratory and critical care medicine

authors： Heaney LG,Busby J,Bradding P,Chaudhuri R,Mansur AH,Niven R,Pavord ID,Lindsay JT,Costello RW,Medical Research Council UK Refractory Asthma Stratification Programme (RASP-UK).

更新日期：2019-02-15 00:00:00

abstract：RATIONALE:Obstructive sleep apnea (OSA) is associated with systemic hypertension. Either overnight intermittent hypoxia, or the recurrent arousals that occur in OSA, could cause the daytime increases in blood pressure (BP). OBJECTIVES:To establish the role of intermittent hypoxia in the increased morning BP in patient...

journal_title：American journal of respiratory and critical care medicine

authors： Turnbull CD,Sen D,Kohler M,Petousi N,Stradling JR

更新日期：2019-01-15 00:00:00

abstract：RATIONALE:Airways obstruction with thick, adherent mucus is a pathophysiologic and clinical feature of muco-obstructive respiratory diseases, including chronic obstructive pulmonary disease, asthma, and cystic fibrosis (CF). Mucins, the dominant biopolymer in mucus, organize into complex polymeric networks via the form...

journal_title：American journal of respiratory and critical care medicine

authors： Ehre C,Rushton ZL,Wang B,Hothem LN,Morrison CB,Fontana NC,Markovetz MR,Delion MF,Kato T,Villalon D,Thelin WR,Esther CR Jr,Hill DB,Grubb BR,Livraghi-Butrico A,Donaldson SH,Boucher RC

更新日期：2019-01-15 00:00:00

abstract：RATIONALE:Little is known about human club cells, dome-shaped cells with dense cytoplasmic granules and microvilli that represent the major secretory cells of the human small airways (at least sixth-generation bronchi). OBJECTIVES:To define the ontogeny and biology of the human small airway epithelium club cell. METH...

journal_title：American journal of respiratory and critical care medicine

authors： Zuo WL,Shenoy SA,Li S,O'Beirne SL,Strulovici-Barel Y,Leopold PL,Wang G,Staudt MR,Walters MS,Mason C,Kaner RJ,Mezey JG,Crystal RG

更新日期：2018-12-01 00:00:00

abstract：RATIONALE:Patients of Hispanic origin with cystic fibrosis (CF) are the largest growing minority, representing 8.5% of patients with CF in the United States. No national survival analysis of this group has ever been undertaken. OBJECTIVES:We aimed to determine whether Hispanic ethnicity within the CF population is ass...

journal_title：American journal of respiratory and critical care medicine

authors： Rho J,Ahn C,Gao A,Sawicki GS,Keller A,Jain R

更新日期：2018-10-15 00:00:00

abstract：RATIONALE:Cystic fibrosis (CF) is characterized by dietary antioxidant deficiencies, which may contribute to an oxidant-antioxidant imbalance and oxidative stress. OBJECTIVES:Evaluate the effects of an oral antioxidant-enriched multivitamin supplement on antioxidant concentrations, markers of inflammation and oxidativ...

journal_title：American journal of respiratory and critical care medicine

authors： Sagel SD,Khan U,Jain R,Graff G,Daines CL,Dunitz JM,Borowitz D,Orenstein DM,Abdulhamid I,Noe J,Clancy JP,Slovis B,Rock MJ,McCoy KS,Strausbaugh S,Livingston FR,Papas KA,Shaffer ML

更新日期：2018-09-01 00:00:00

abstract：BACKGROUND:Right ventricular (RV) adaptation to acute and chronic pulmonary hypertensive syndromes is a significant determinant of short- and long-term outcomes. Although remarkable progress has been made in the understanding of RV function and failure since the meeting of the NIH Working Group on Cellular and Molecula...

journal_title：American journal of respiratory and critical care medicine

authors： Lahm T,Douglas IS,Archer SL,Bogaard HJ,Chesler NC,Haddad F,Hemnes AR,Kawut SM,Kline JA,Kolb TM,Mathai SC,Mercier O,Michelakis ED,Naeije R,Tuder RM,Ventetuolo CE,Vieillard-Baron A,Voelkel NF,Vonk-Noordegraaf A,Hassou

更新日期：2018-08-15 00:00:00

abstract：RATIONALE:Although the transplantation of induced pluripotent stem cell (iPSC)-derived cells harbors enormous potential for the treatment of pulmonary diseases, in vivo data demonstrating clear therapeutic benefits of human iPSC-derived cells in lung disease models are missing. OBJECTIVES:We have tested the therapeuti...

journal_title：American journal of respiratory and critical care medicine

authors： Happle C,Lachmann N,Ackermann M,Mirenska A,Göhring G,Thomay K,Mucci A,Hetzel M,Glomb T,Suzuki T,Chalk C,Glage S,Dittrich-Breiholz O,Trapnell B,Moritz T,Hansen G

更新日期：2018-08-01 00:00:00

abstract：RATIONALE:Nitric oxide (NO), synthesized by NOSs (NO synthases), plays a role in the development of pulmonary hypertension (PH). However, the role of NO/NOSs in bone marrow (BM) cells in PH remains elusive. OBJECTIVES:To determine the role of NOSs in BM cells in PH. METHODS:Experiments were performed on 36 patients w...

journal_title：American journal of respiratory and critical care medicine

authors： Ogoshi T,Tsutsui M,Kido T,Sakanashi M,Naito K,Oda K,Ishimoto H,Yamada S,Wang KY,Toyohira Y,Izumi H,Masuzaki H,Shimokawa H,Yanagihara N,Yatera K,Mukae H

更新日期：2018-07-15 00:00:00

abstract：RATIONALE:Platelets may interact with the immune system in tuberculosis (TB) to regulate human inflammatory responses that lead to morbidity and spread of infection. OBJECTIVES:To identify a functional role of platelets in the innate inflammatory and matrix-degrading response in TB. METHODS:Markers of platelet activa...

journal_title：American journal of respiratory and critical care medicine

authors： Fox KA,Kirwan DE,Whittington AM,Krishnan N,Robertson BD,Gilman RH,López JW,Singh S,Porter JC,Friedland JS

更新日期：2018-07-15 00:00:00

abstract：BACKGROUND:Lung cancer screening (LCS) has the potential to reduce the risk of lung cancer death in healthy individuals, but the impact of coexisting chronic illnesses on LCS outcomes has not been well defined. Consideration of the complex relationship between baseline risk of lung cancer, treatment-related harms, and ...

journal_title：American journal of respiratory and critical care medicine

authors： Rivera MP,Tanner NT,Silvestri GA,Detterbeck FC,Tammemägi MC,Young RP,Slatore CG,Caverly TJ,Boyd CM,Braithwaite D,Fathi JT,Gould MK,Iaccarino JM,Malkoski SP,Mazzone PJ,Tanoue LT,Schoenborn NL,Zulueta JJ,Wiener RS,Ame

更新日期：2018-07-15 00:00:00

abstract：RATIONALE:E-cigarettes vaporize propylene glycol/vegetable glycerin (PG/VG), nicotine, and flavorings. However, the long-term health effects of exposing lungs to vaped e-liquids are unknown. OBJECTIVES:To determine the effects of chronic vaping on pulmonary epithelia. METHODS:We performed research bronchoscopies on h...

journal_title：American journal of respiratory and critical care medicine

authors： Ghosh A,Coakley RC,Mascenik T,Rowell TR,Davis ES,Rogers K,Webster MJ,Dang H,Herring LE,Sassano MF,Livraghi-Butrico A,Van Buren SK,Graves LM,Herman MA,Randell SH,Alexis NE,Tarran R

更新日期：2018-07-01 00:00:00

abstract：INTRODUCTION:Proteinases with a disintegrin and a metalloproteinase domain (ADAMs) have not been well studied in COPD. We investigated whether ADAM9 is linked to COPD in humans and mice. METHODS:ADAM9 blood and lung levels were measured in COPD patients versus controls, and air- versus cigarette smoke (CS)-exposed wil...

journal_title：American journal of respiratory and critical care medicine

authors： Wang X,Polverino F,Rojas-Quintero J,Zhang D,Sánchez J,Yambayev I,Lindqvist E,Virtala R,Djukanovic R,Davies DE,Wilson S,O'Donnell R,Cunoosamy D,Hazon P,Higham A,Singh D,Olsson H,Owen CA

更新日期：2018-06-04 00:00:00

abstract：RATIONALE:Whether a nurse-implemented goal-directed sedation protocol resulting in more awake yet calm intubated children affects postdischarge functional status, health-related quality of life, or risk for post-traumatic stress disorder is unknown. OBJECTIVES:To compare postdischarge outcomes in children with acute r...

journal_title：American journal of respiratory and critical care medicine

authors： Watson RS,Asaro LA,Hertzog JH,Sorce LR,Kachmar AG,Dervan LA,Angus DC,Wypij D,Curley MAQ,RESTORE Study Investigators and the Pediatric Acute Lung Injury and Sepsis Investigators (PALISI) Network.

更新日期：2018-06-01 00:00:00

abstract：RATIONALE:Childhood sleep-disordered breathing ranges in severity from primary snoring to obstructive sleep apnea and is associated with behavioral and neurocognitive deficits. It remains unknown why children with primary snoring, who do not experience peripheral oxygen desaturation or sleep fragmentation, experience s...

journal_title：American journal of respiratory and critical care medicine

authors： Tamanyan K,Walter LM,Weichard A,Davey MJ,Nixon GM,Biggs SN,Horne RSC

更新日期：2018-06-01 00:00:00

abstract：RATIONALE:Immunophenotypes of antiviral responses, and their relationship with asthma, allergy, and lower respiratory tract infections, are poorly understood. OBJECTIVES:We characterized multiple cytokine responses of peripheral blood mononuclear cells to rhinovirus stimulation, and their relationship with clinical ou...

journal_title：American journal of respiratory and critical care medicine

authors： Custovic A,Belgrave D,Lin L,Bakhsoliani E,Telcian AG,Solari R,Murray CS,Walton RP,Curtin J,Edwards MR,Simpson A,Rattray M,Johnston SL

更新日期：2018-05-15 00:00:00

abstract：RATIONALE:To identify infected contacts of tuberculosis (TB) cases, the UK National Institute for Health and Care Excellence (NICE) recommended the addition of IFN-γ release assays (IGRA) to the tuberculin skin test (TST) in its 2006 TB guidelines. Treatment for TB infection was no longer recommended for children who s...

journal_title：American journal of respiratory and critical care medicine

authors： Kampmann B,Seddon JA,Paton J,Nademi Z,Keane D,Williams B,Williams A,Liebeschutz S,Riddell A,Bernatoniene J,Patel S,Martinez N,McMaster P,Basu-Roy R,Welch SB

更新日期：2018-04-15 00:00:00

abstract：RATIONALE:The activated leukocyte cell adhesion molecule (ALCAM) is a cluster of differentiation 6 ligand that is important for stabilizing the immunological synapse and inducing T-cell activation and proliferation. OBJECTIVES:In this study, we investigated the role of ALCAM in the development of inflammation in aller...

journal_title：American journal of respiratory and critical care medicine

authors： Kim MN,Hong JY,Shim DH,Sol IS,Kim YS,Lee JH,Kim KW,Lee JM,Sohn MH

更新日期：2018-04-15 00:00:00

abstract：RATIONALE:MicroRNAs (miRNAs) destabilize mRNA transcripts and inhibit protein translation. miR-145 is of particular interest in cystic fibrosis (CF) as it has a direct binding site in the 3'-untranslated region of CFTR (cystic fibrosis transmembrane conductance regulator) and is upregulated by the CF genetic modifier T...

journal_title：American journal of respiratory and critical care medicine

authors： Lutful Kabir F,Ambalavanan N,Liu G,Li P,Solomon GM,Lal CV,Mazur M,Halloran B,Szul T,Gerthoffer WT,Rowe SM,Harris WT

更新日期：2018-03-01 00:00:00

abstract：OBJECTIVES:To assess the reliability and the minimal clinically important differences (MCID) for FVC% predicted in the Scleroderma Lung Study I and II. METHODS:Using data from SLS I and II (N=300), we evaluated the test-retest reliability for FVC% predicted (FVC%; screening vs. baseline) using intra-class correlation ...

journal_title：American journal of respiratory and critical care medicine

authors： Kafaja S,Clements PJ,Wilhalme H,Tseng CH,Furst DE,Kim GH,Goldin J,Volkmann ER,Roth MD,Tashkin DP,Khanna D

更新日期：2018-03-01 00:00:00

abstract：:Important features of both stable and acute exacerbation of chronic obstructive pulmonary disease (COPD) are skeletal muscle weakness and wasting. Limb muscle dysfunction during an exacerbation has been linked to various adverse outcomes, including prolonged hospitalization, readmission, and mortality. The contributin...

journal_title：American journal of respiratory and critical care medicine

authors： Abdulai RM,Jensen TJ,Patel NR,Polkey MI,Jansson P,Celli BR,Rennard SI

更新日期：2018-02-15 00:00:00

abstract：RATIONALE:The allergen inhalation challenge is used in clinical trials to test the efficacy of new treatments in attenuating the late-phase asthmatic response (LAR) and associated airway inflammation in subjects with allergic asthma. However, not all subjects with allergic asthma develop the LAR after allergen inhalati...

journal_title：American journal of respiratory and critical care medicine

authors： Singh A,Shannon CP,Kim YW,Yang CX,Balshaw R,Cohen Freue GV,Gauvreau GM,FitzGerald JM,Boulet LP,O'Byrne PM,Tebbutt SJ

更新日期：2018-02-15 00:00:00

abstract：RATIONALE:Tezacaftor (formerly VX-661) is an investigational small molecule that improves processing and trafficking of the cystic fibrosis transmembrane conductance regulator (CFTR) in vitro, and improves CFTR function alone and in combination with ivacaftor. OBJECTIVES:To evaluate the safety and efficacy of tezacaft...

journal_title：American journal of respiratory and critical care medicine

authors： Donaldson SH,Pilewski JM,Griese M,Cooke J,Viswanathan L,Tullis E,Davies JC,Lekstrom-Himes JA,Wang LT,VX11-661-101 Study Group.

更新日期：2018-01-15 00:00:00

abstract：RATIONALE:Clinical benefits of fixed-dose 100-mg subcutaneous (SC) mepolizumab in prednisone-dependent patients are modest when sputum eosinophilia is not adequately controlled. OBJECTIVES:This study compared treatment response of weight-adjusted intravenous (IV) reslizumab in patients previously treated with 100-mg S...

journal_title：American journal of respiratory and critical care medicine

authors： Mukherjee M,Aleman Paramo F,Kjarsgaard M,Salter B,Nair G,LaVigne N,Radford K,Sehmi R,Nair P

更新日期：2018-01-01 00:00:00

abstract：RATIONALE:The vast majority of children around the world undergoing adenotonsillectomy for obstructive sleep apnea-hypopnea syndrome (OSA) are not objectively diagnosed by nocturnal polysomnography because of access availability and cost issues. Automated analysis of nocturnal oximetry (nSpO2), which is readily and glo...

journal_title：American journal of respiratory and critical care medicine

authors： Hornero R,Kheirandish-Gozal L,Gutiérrez-Tobal GC,Philby MF,Alonso-Álvarez ML,Álvarez D,Dayyat EA,Xu Z,Huang YS,Tamae Kakazu M,Li AM,Van Eyck A,Brockmann PE,Ehsan Z,Simakajornboon N,Kaditis AG,Vaquerizo-Villar F,Crespo S

更新日期：2017-12-15 00:00:00

abstract：:Critical illness is not a discrete disease state or syndrome. It is the culmination of a multiplicity of heterogeneous disease states and their varied health trajectories leading to extreme illness that requires advanced life support in a distinct geographic location in the hospital. It is a marker of newly acquired o...

journal_title：American journal of respiratory and critical care medicine

authors： Herridge MS

更新日期：2017-12-01 00:00:00

abstract：RATIONALE:Obstructive sleep apnea (OSA) is associated with impaired renal function, but uncertainty exists over whether OSA treatment can influence renal outcomes. OBJECTIVES:To determine the effects of continuous positive airway pressure (CPAP) on renal function in subjects with coexisting OSA and cardiovascular dise...

journal_title：American journal of respiratory and critical care medicine

authors： Loffler KA,Heeley E,Freed R,Anderson CS,Brockway B,Corbett A,Chang CL,Douglas JA,Ferrier K,Graham N,Hamilton GS,Hlavac M,McArdle N,McLachlan J,Mukherjee S,Naughton MT,Thien F,Young A,Grunstein RR,Palmer LJ,Woodman

更新日期：2017-12-01 00:00:00

abstract：RATIONALE:Matrix metalloproteinase-7 (MMP-7) has been implicated in interstitial lung disease pathobiology and proposed as a diagnostic and prognostic biomarker of idiopathic pulmonary fibrosis. OBJECTIVES:To test associations between serum MMP-7 and lung function, respiratory symptoms, interstitial lung abnormalities...

journal_title：American journal of respiratory and critical care medicine

authors： Armstrong HF,Podolanczuk AJ,Barr RG,Oelsner EC,Kawut SM,Hoffman EA,Tracy R,Kaminski N,McClelland RL,Lederer DJ

更新日期：2017-11-15 00:00:00

abstract：RATIONALE:Obstructive sleep apnea (OSA) is associated with several pathophysiological deficits found in diabetic retinopathy (DR). Hence, it's plausible that OSA could play a role in the pathogenesis of sight-threatening DR (STDR). OBJECTIVES:To assess the relationship between OSA and DR in patients with type 2 diabet...

journal_title：American journal of respiratory and critical care medicine

authors： Altaf QA,Dodson P,Ali A,Raymond NT,Wharton H,Fellows H,Hampshire-Bancroft R,Shah M,Shepherd E,Miah J,Barnett AH,Tahrani AA

更新日期：2017-10-01 00:00:00

abstract：RATIONALE:Bronchiolitis is the most common lower respiratory infection in infants; however, it remains unclear which infants with bronchiolitis will develop severe illness. In addition, although emerging evidence indicates associations of the upper-airway microbiome with bronchiolitis severity, little is known about th...

journal_title：American journal of respiratory and critical care medicine

authors： Stewart CJ,Mansbach JM,Wong MC,Ajami NJ,Petrosino JF,Camargo CA Jr,Hasegawa K

更新日期：2017-10-01 00:00:00

abstract：RATIONALE:Regional hypoventilation in bronchoconstricted patients with asthma is spatially associated with reduced perfusion, which is proposed to result from hypoxic pulmonary vasoconstriction (HPV). OBJECTIVES:To determine the role of HPV in the regional perfusion redistribution in bronchoconstricted patients with a...

journal_title：American journal of respiratory and critical care medicine

authors： Kelly VJ,Hibbert KA,Kohli P,Kone M,Greenblatt EE,Venegas JG,Winkler T,Harris RS

更新日期：2017-10-01 00:00:00

abstract：RATIONALE:Cystic fibrosis (CF) lung disease is caused by the loss of function of the cystic fibrosis transmembrane conductance regulator (CFTR) combined with hyperactivation of the epithelial sodium channel (ENaC). In the lung, ENaC is responsible for movement of sodium. Hyperactivation of ENaC, which creates an osmoti...

journal_title：American journal of respiratory and critical care medicine

authors： Scott DW,Walker MP,Sesma J,Wu B,Stuhlmiller TJ,Sabater JR,Abraham WM,Crowder TM,Christensen DJ,Tarran R

更新日期：2017-09-15 00:00:00

abstract：RATIONALE:Conversion from a negative to positive QuantiFERON-TB test is indicative of Mycobacterium tuberculosis (Mtb) infection, which predisposes individuals to tuberculosis disease. Interpretation of serial tests is confounded by immunological and technical variability. OBJECTIVES:To improve the consistency of seri...

journal_title：American journal of respiratory and critical care medicine

authors： Nemes E,Rozot V,Geldenhuys H,Bilek N,Mabwe S,Abrahams D,Makhethe L,Erasmus M,Keyser A,Toefy A,Cloete Y,Ratangee F,Blauenfeldt T,Ruhwald M,Walzl G,Smith B,Loxton AG,Hanekom WA,Andrews JR,Lempicki MD,Ellis R,Ginsb

更新日期：2017-09-01 00:00:00

abstract：RATIONALE:Spontaneous breathing during mechanical ventilation increases transpulmonary pressure and Vt, and worsens lung injury. Intuitively, controlling Vt and transpulmonary pressure might limit injury caused by added spontaneous effort. OBJECTIVES:To test the hypothesis that, during spontaneous effort in injured lu...

journal_title：American journal of respiratory and critical care medicine

authors： Yoshida T,Nakahashi S,Nakamura MAM,Koyama Y,Roldan R,Torsani V,De Santis RR,Gomes S,Uchiyama A,Amato MBP,Kavanagh BP,Fujino Y

更新日期：2017-09-01 00:00:00

abstract：RATIONALE:No methodical assessment of the lung, cardiac, and sleep function of patients surviving an acute hypercapnic respiratory failure episode requiring admission to the intensive care unit (ICU) has been reported in the literature. OBJECTIVES:To prospectively investigate the prevalence and impact of comorbidities...

journal_title：American journal of respiratory and critical care medicine

authors： Adler D,Pépin JL,Dupuis-Lozeron E,Espa-Cervena K,Merlet-Violet R,Muller H,Janssens JP,Brochard L

更新日期：2017-07-15 00:00:00

abstract：RATIONALE:Patients with chronic obstructive pulmonary disease (COPD) frequently have albuminuria (indicative of renal endothelial cell injury) associated with hypoxemia. OBJECTIVES:To determine whether (1) cigarette smoke (CS)-induced pulmonary and renal endothelial cell injury explains the association between albumin...

journal_title：American journal of respiratory and critical care medicine

authors： Polverino F,Laucho-Contreras ME,Petersen H,Bijol V,Sholl LM,Choi ME,Divo M,Pinto-Plata V,Chetta A,Tesfaigzi Y,Celli BR,Owen CA

更新日期：2017-06-01 00:00:00

abstract：RATIONALE:Implementation of intervention strategies to prevent lung damage in early cystic fibrosis (CF) requires objective outcome measures that capture and track lung disease. OBJECTIVES:To define the utility of the Lung Clearance Index (LCI), measured by multiple breath washout, as a means to track disease progress...

journal_title：American journal of respiratory and critical care medicine

authors： Stanojevic S,Davis SD,Retsch-Bogart G,Webster H,Davis M,Johnson RC,Jensen R,Pizarro ME,Kane M,Clem CC,Schornick L,Subbarao P,Ratjen FA

更新日期：2017-05-01 00:00:00

abstract：:This Executive Summary of the Global Strategy for the Diagnosis, Management, and Prevention of COPD, Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2017 report focuses primarily on the revised and novel parts of the document. The most significant changes include: (1) the assessment of chronic obstructiv...

journal_title：American journal of respiratory and critical care medicine

authors： Vogelmeier CF,Criner GJ,Martinez FJ,Anzueto A,Barnes PJ,Bourbeau J,Celli BR,Chen R,Decramer M,Fabbri LM,Frith P,Halpin DM,López Varela MV,Nishimura M,Roche N,Rodriguez-Roisin R,Sin DD,Singh D,Stockley R,Vestbo J,W

更新日期：2017-03-01 00:00:00

abstract：RATIONALE:Very little is known about airways that are too small to be visible on thoracic multidetector computed tomography but larger than the terminal bronchioles. OBJECTIVES:To examine the structure of preterminal bronchioles located one generation proximal to terminal bronchioles in centrilobular and panlobular em...

journal_title：American journal of respiratory and critical care medicine

authors： Tanabe N,Vasilescu DM,McDonough JE,Kinose D,Suzuki M,Cooper JD,Paré PD,Hogg JC

更新日期：2017-03-01 00:00:00