Hassett DJ, Borchers MT, Panos RJ. Chronic obstructive pulmonary disease (COPD): evaluation from clinical, immunological and bacterial pathogenesis perspectives. J Microbiol. 2014;52:211–26.
Article
PubMed
Google Scholar
Martinez FD. Early-life origins of chronic obstructive pulmonary disease. N Engl J Med. 2016;375:871–8.
Article
PubMed
Google Scholar
Shaw JG, Vaughan A, Dent AG, O’Hare PE, Goh F, Bowman RV, Fong KM, Yang IA. Biomarkers of progression of chronic obstructive pulmonary disease (COPD). J Thorac Dis. 2014;6:1532–47.
PubMed
PubMed Central
Google Scholar
Vargas F, Bui HN, Boyer A, Salmi LR, Gbikpi-Benissan G, Guenard H, Gruson D, Hilbert G. Intrapulmonary percussive ventilation in acute exacerbations of COPD patients with mild respiratory acidosis: a randomized controlled trial [ISRCTN17802078]. Crit Care. 2005;9:R382-389.
Article
PubMed
PubMed Central
Google Scholar
Papaiwannou A, Zarogoulidis P, Porpodis K, Spyratos D, Kioumis I, Pitsiou G, Pataka A, Tsakiridis K, Arikas S, Mpakas A, et al. Asthma-chronic obstructive pulmonary disease overlap syndrome (ACOS): current literature review. J Thorac Dis. 2014;6(Suppl 1):S146-151.
PubMed
PubMed Central
Google Scholar
Ko FW, Chan KP, Hui DS, Goddard JR, Shaw JG, Reid DW, Yang IA. Acute exacerbation of COPD. Respirology. 2016;21:1152–65.
Article
PubMed
PubMed Central
Google Scholar
Brochard L. Non-invasive ventilation for acute exacerbations of COPD: a new standard of care. Thorax. 2000;55:817–8.
Article
CAS
PubMed
PubMed Central
Google Scholar
Abdo WF, Heunks LM. Oxygen-induced hypercapnia in COPD: myths and facts. Crit Care. 2012;16:323.
Article
PubMed
PubMed Central
Google Scholar
Osadnik CR, Tee VS, Carson‐Chahhoud KV, Picot J, Wedzicha JA, Smith BJ. Non‐invasive ventilation for the management of acute hypercapnic respiratory failure due to exacerbation of chronic obstructive pulmonary disease. Cochrane Database Syst Reviews 2017.
Murray I, Paterson E, Thain G, Currie GP. Outcomes following non-invasive ventilation for hypercapnic exacerbations of chronic obstructive pulmonary disease. Thorax. 2011;66:825–6.
Article
PubMed
Google Scholar
Murphy PB, Rehal S, Arbane G, Bourke S, Calverley PMA, Crook AM, Dowson L, Duffy N, Gibson GJ, Hughes PD, et al. Effect of home noninvasive ventilation with oxygen therapy vs oxygen therapy alone on hospital readmission or death after an acute COPD exacerbation: a randomized clinical trial. JAMA. 2017;317:2177–86.
Article
PubMed
PubMed Central
Google Scholar
Berganza CJ, Zhang JH. The role of helium gas in medicine. Med Gas Res. 2013;3:18.
Article
PubMed
PubMed Central
Google Scholar
Nakao A. Therapeutic Medical Gas.
Vonbank K, Ziesche R, Higenbottam TW, Stiebellehner L, Petkov V, Schenk P, Germann P, Block LH. Controlled prospective randomised trial on the effects on pulmonary haemodynamics of the ambulatory long term use of nitric oxide and oxygen in patients with severe COPD. Thorax. 2003;58:289–93.
Article
CAS
PubMed
PubMed Central
Google Scholar
Jolliet P, Ouanes-Besbes L, Abroug F, Ben Khelil J, Besbes M, Garnero A, Arnal JM, Daviaud F, Chiche JD, Lortat-Jacob B, et al. A multicenter randomized trial assessing the efficacy of helium/oxygen in severe exacerbations of chronic obstructive pulmonary disease. Am J Respir Crit Care Med. 2017;195:871–80.
Article
CAS
PubMed
Google Scholar
Ohta S. Molecular hydrogen as a preventive and therapeutic medical gas: initiation, development and potential of hydrogen medicine. Pharmacol Ther. 2014;144:1–11.
Article
CAS
PubMed
Google Scholar
Huang C-S, Kawamura T, Toyoda Y, Nakao A. Recent advances in hydrogen research as a therapeutic medical gas. Free Radical Res. 2010;44:971–82.
Article
CAS
Google Scholar
Kohama K, Yamashita H, Aoyama-Ishikawa M, Takahashi T, Billiar TR, Nishimura T, Kotani J, Nakao A. Hydrogen inhalation protects against acute lung injury induced by hemorrhagic shock and resuscitation. Surgery. 2015;158:399–407.
Article
PubMed
Google Scholar
Zhou ZQ, Zhong CH, Su ZQ, Li XY, Chen Y, Chen XB, Tang CL, Zhou LQ, Li SY. Breathing hydrogen-oxygen mixture decreases inspiratory effort in patients with tracheal stenosis. Respiration. 2019;97:42–51.
Article
PubMed
CAS
Google Scholar
Vogelmeier CF, Criner GJ, Martinez FJ, Anzueto A, Barnes PJ, Bourbeau J, Celli BR, Chen R, Decramer M, Fabbri LM, et al. Global strategy for the diagnosis, management, and prevention of chronic obstructive lung disease 2017 report. GOLD Executive Summary. Am J Respir Crit Care Med. 2017;195:557–82.
Article
CAS
PubMed
Google Scholar
AECOPD EGfDaTo. Expert consensus on the diagnosis and treatment of acute exacerbation of chronic obstructive pulmonary disease. Int J Respir. 2017;37:1041–57.
Google Scholar
Leidy NK, Schmier JK, Jones MK, Lloyd J, Rocchiccioli K. Evaluating symptoms in chronic obstructive pulmonary disease: validation of the Breathlessness, Cough and Sputum Scale. Respir Med. 2003;97(Suppl A):S59-70.
Article
PubMed
Google Scholar
US Department of Health and Human Services. National Cancer Institute: common terminology criteria for adverse events. Version 4.03. 2016.
Leidy NK, Rennard SI, Schmier J, Jones MK, Goldman M. The breathlessness, cough, and sputum scale: the development of empirically based guidelines for interpretation. Chest. 2003;124:2182–91.
Article
PubMed
Google Scholar
Górecka D, Gorzelak K, Sliwiński P, Tobiasz M, Zieliński J. Effect of long-term oxygen therapy on survival in patients with chronic obstructive pulmonary disease with moderate hypoxaemia. Thorax. 1997;52:674–9.
Article
PubMed
PubMed Central
Google Scholar
Katsenos S, Constantopoulos SH. Long-term oxygen therapy in COPD: Factors affecting and ways of improving patient compliance. Pulm Med. 2011;2011:325362.
Article
PubMed
PubMed Central
Google Scholar
Branson RD. Oxygen therapy in COPD. Respir Care. 2018;63:734–48.
Article
PubMed
Google Scholar
Liu S, Liu K, Sun Q, Tao H, Sun X-J. Hydrogen therapy may be a novel and effective treatment for COPD. Front Pharmacol 2011; 2.
Celli B, Halpin D, Hepburn R, Byrne N, Keating ET, Goldman M. Symptoms are an important outcome in chronic obstructive pulmonary disease clinical trials: results of a 3-month comparative study using the Breathlessness, Cough and Sputum Scale (BCSS). Respir Med. 2003;97:S35–43.
Article
PubMed
Google Scholar
Koo H-K, Jeong I, Kim J-H, Kim S-K, Shin J-W, Park SY, Rhee CK, Choi EY, Moon J-Y, Kim YH, et al. Development and validation of the COugh Assessment Test (COAT). Respirology. 2019;24:551–7.
Article
PubMed
Google Scholar
Huang L. Molecular hydrogen: a therapeutic antioxidant and beyond. Med Gas Res. 2016;6:219–22.
Article
CAS
PubMed
PubMed Central
Google Scholar
Fischer BM, Pavlisko E, Voynow JA. Pathogenic triad in COPD: oxidative stress, protease-antiprotease imbalance, and inflammation. Int J Chron Obstruct Pulmon Dis. 2011;6:413–21.
Article
CAS
PubMed
PubMed Central
Google Scholar
Domej W, Oettl K, Renner W. Oxidative stress and free radicals in COPD–implications and relevance for treatment. Int J Chron Obstruct Pulmon Dis. 2014;9:1207–24.
Article
PubMed
PubMed Central
Google Scholar
Kirkham PA, Barnes PJ. Oxidative stress in COPD. Chest. 2013;144:266–73.
Article
CAS
PubMed
Google Scholar
Langen RC, Korn SH, Wouters EF. ROS in the local and systemic pathogenesis of COPD. Free Radic Biol Med. 2003;35:226–35.
Article
CAS
PubMed
Google Scholar
Barnes PJ. New anti-inflammatory targets for chronic obstructive pulmonary disease. Nat Rev Drug Discovery. 2013;12:543–59.
Article
PubMed
CAS
Google Scholar
Cazzola M, Page CP, Calzetta L, Matera MG. Emerging anti-inflammatory strategies for COPD. Eur Respir J. 2012;40:724–41.
Article
CAS
PubMed
Google Scholar
Rahman I. Antioxidant therapies in COPD. Int J Chron Obstruct Pulmon Dis. 2006;1:15.
CAS
PubMed
PubMed Central
Google Scholar
Dekhuijzen PN, Aben KK, Dekker I, Aarts LP, Wielders PL, van Herwaarden CL, Bast A. Increased exhalation of hydrogen peroxide in patients with stable and unstable chronic obstructive pulmonary disease. Am J Respir Crit Care Med. 1996;154:813–6.
Article
CAS
PubMed
Google Scholar
Halliwell B, Gutteridge JM. Biologically relevant metal ion-dependent hydroxyl radical generation. An update. FEBS Lett. 1992;307:108–12.
Article
CAS
PubMed
Google Scholar
Lipinski B. Hydroxyl radical and its scavengers in health and disease. Oxid Med Cell Longev. 2011;2011:809696.
Article
PubMed
PubMed Central
CAS
Google Scholar
Ishibashi T. Molecular hydrogen: new antioxidant and anti-inflammatory therapy for rheumatoid arthritis and related diseases. Curr Pharm Des. 2013;19:6375–81.
Article
CAS
PubMed
PubMed Central
Google Scholar
Ohsawa I, Ishikawa M, Takahashi K, Watanabe M, Nishimaki K, Yamagata K, Katsura K-i, Katayama Y, Asoh S, Ohta S. Hydrogen acts as a therapeutic antioxidant by selectively reducing cytotoxic oxygen radicals. Nat Med. 2007;13:688–94.
Article
CAS
PubMed
Google Scholar
Kishimoto Y, Kato T, Ito M, Azuma Y, Fukasawa Y, Ohno K, Kojima S. Hydrogen ameliorates pulmonary hypertension in rats by anti-inflammatory and antioxidant effects. J Thorac Cardiovasc Surg. 2015;150:645–54.
Article
CAS
PubMed
Google Scholar
Lu W, Li D, Hu J, Mei H, Shu J, Long Z, Yuan L, Li D, Guan R, Li Y, et al. Hydrogen gas inhalation protects against cigarette smoke-induced COPD development in mice. J Thorac Dis. 2018;10:3232–43.
Article
PubMed
PubMed Central
Google Scholar
Ohno K, Ito M, Ichihara M, Ito M. Molecular hydrogen as an emerging therapeutic medical gas for neurodegenerative and other diseases. Oxid Med Cell Longev. 2012;2012:353152.
Article
PubMed
PubMed Central
CAS
Google Scholar
Long-Term Oxygen Treatment Trial Research G, Albert RK, Au DH, Blackford AL, Casaburi R, Cooper JA Jr, Criner GJ, Diaz P, Fuhlbrigge AL, Gay SE, et al. A randomized trial of long-term oxygen for COPD with moderate desaturation. N Engl J Med. 2016;375:1617–27.
Article
CAS
Google Scholar
Hanania NA, Feldman G, Zachgo W, Shim J-J, Crim C, Sanford L, Lettis S, Barnhart F, Haumann B. The efficacy and safety of the novel long-acting β2 agonist vilanterol in patients with COPD: a randomized placebo-controlled trial. Chest. 2012;142:119–27.
Article
CAS
PubMed
Google Scholar
Ono H, Nishijima Y, Adachi N, Sakamoto M, Kudo Y, Nakazawa J, Kaneko K, Nakao A. Hydrogen(H2) treatment for acute erythymatous skin diseases. A report of 4 patients with safety data and a non-controlled feasibility study with H2 concentration measurement on two volunteers. Medical Gas Res. 2012;2:14.
Article
CAS
Google Scholar
Ahmadi Z, Sundh J, Bornefalk-Hermansson A, Ekstrom M. Long-term oxygen therapy 24 vs 15 h/day and mortality in chronic obstructive pulmonary disease. PLoS ONE. 2016;11:0163293.
Article
CAS
Google Scholar
Stoller JK, Panos RJ, Krachman S, Doherty DE, Make B. Oxygen therapy for patients with COPD: current evidence and the long-term oxygen treatment trial. Chest. 2010;138:179–87.
Article
PubMed
PubMed Central
Google Scholar