Dado o impacto prejudicial das exacerbações da doença pulmonar obstrutiva crônica (DPOC) no paciente, todos os esforços devem ser feitos para evitar sua ocorrência. História prévia de exacerbação é um fator de risco chave para exacerbações futuras.[1]Global Initiative for Chronic Obstructive Lung Disease. Global strategy for the diagnosis, management and prevention of chronic obstructive pulmonary disease. November 2017 [internet publication]
http://goldcopd.org/gold-reports/
[55]Hurst JR, Vestbo J, Anzueto A, et al. Susceptibility to exacerbation in chronic obstructive pulmonary disease. N Engl J Med. 2010;363:1128-1138.
http://www.nejm.org/doi/full/10.1056/NEJMoa0909883#t=article
http://www.ncbi.nlm.nih.gov/pubmed/20843247?tool=bestpractice.com
Pessoas com uma alta carga de sintomas e história de exacerbações frequentes (Global Initiative for Chronic Obstructive Lung Disease [GOLD] grupo D) estão em risco especial de exacerbações futuras e mortalidade.[1]Global Initiative for Chronic Obstructive Lung Disease. Global strategy for the diagnosis, management and prevention of chronic obstructive pulmonary disease. November 2017 [internet publication]
http://goldcopd.org/gold-reports/
[79]Chen CZ, Ou CY, Yu CH, et al. Comparison of global initiative for chronic obstructive pulmonary disease 2013 classification and body mass index, airflow obstruction, dyspnea, and exacerbations index in predicting mortality and exacerbations in elderly adults with chronic obstructive pulmonary disease. J Am Geriatr Soc. 2015;63:244-250.
http://www.ncbi.nlm.nih.gov/pubmed/25641518?tool=bestpractice.com
Entretanto, diversos fatores impactam o risco de exacerbações subsequentes e os fatores relevantes variam entre pacientes individuais. Após uma exacerbação de DPOC, todos os esforços devem ser feitos para identificar e intervir em fatores potencialmente modificáveis para reduzir o risco de eventos de exacerbação subsequentes.
Assim que o paciente estabilizar depois do tratamento de uma exacerbação, os medicamentos de manutenção do paciente devem ser reavaliados, devendo-se considerar o ajuste dos medicamentos após as exacerbações, a fim de reduzir o risco e/ou a gravidade de episódios futuros[83]Criner GJ, Bourbeau J, Diekemper RL, et al. Prevention of acute exacerbations of COPD: American College of Chest Physicians and Canadian Thoracic Society Guideline. Chest. 2015;147:894-942.
http://journal.publications.chestnet.org/article.aspx?articleid=1918414
http://www.ncbi.nlm.nih.gov/pubmed/25321320?tool=bestpractice.com
e usar os medicamentos de acordo com diretrizes baseadas em evidências.[1]Global Initiative for Chronic Obstructive Lung Disease. Global strategy for the diagnosis, management and prevention of chronic obstructive pulmonary disease. November 2017 [internet publication]
http://goldcopd.org/gold-reports/
Foi demonstrado que o uso de beta-2 agonistas e de medicamentos anticolinérgicos de longa duração reduz a frequência de exacerbações.[92]Rennard SI, Anderson W, ZuWallack R, et al. Use of a long-acting inhaled beta2-adrenergic agonist, salmeterol xinafoate, in patients with chronic obstructive pulmonary disease. Am J Respir Crit Care Med. 2001;163:1087-1092.
http://www.ncbi.nlm.nih.gov/pubmed/11316640?tool=bestpractice.com
[93]Calverley PM, Anderson JA, Celli B, et al. Salmeterol and fluticasone propionate and survival in chronic obstructive pulmonary disease. N Engl J Med. 2007;356:775-789.
http://www.ncbi.nlm.nih.gov/pubmed/17314337?tool=bestpractice.com
[94]Niewoehner DE, Rice K, Cote C, et al. Prevention of exacerbations of chronic obstructive pulmonary disease with tiotropium, a once-daily inhaled anticholinergic bronchodilator: a randomized trial. Ann Intern Med. 2005;143:317-326.
http://www.ncbi.nlm.nih.gov/pubmed/16144890?tool=bestpractice.com
[95]Mahler DA, Donohue JF, Barbee RA, et al. Efficacy of salmeterol xinafoate in the treatment of COPD. Chest. 1999;115:957-965.
http://www.ncbi.nlm.nih.gov/pubmed/10208192?tool=bestpractice.com
[96]Casaburi R, Mahler DA, Jones PW, et al. A long-term evaluation of once-daily inhaled tiotropium in chronic obstructive pulmonary disease. Eur Respir J. 2002;19:217-224.
http://erj.ersjournals.com/content/19/2/217.long
http://www.ncbi.nlm.nih.gov/pubmed/11866001?tool=bestpractice.com
[97]Brusasco V, Hodder R, Miravitlles M, et al. Health outcomes following treatment for six months with once daily tiotropium compared with twice daily salmeterol in patients with COPD. Thorax. 2003;58:399-404.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1746668/?tool=pubmed
http://www.ncbi.nlm.nih.gov/pubmed/12728159?tool=bestpractice.com
[98]Tashkin DP, Celli B, Senn S, et al. A 4-year trial of tiotropium in chronic obstructive pulmonary disease. N Engl J Med. 2008;359:1543-1554.
http://content.nejm.org/cgi/content/full/359/15/1543
http://www.ncbi.nlm.nih.gov/pubmed/18836213?tool=bestpractice.com
[99]Tashkin DP. Preventing and managing exacerbations in COPD--critical appraisal of the role of tiotropium. Int J Chron Obstruct Pulmon Dis. 2010;5:41-53.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2846152/?tool=pubmed
http://www.ncbi.nlm.nih.gov/pubmed/20368910?tool=bestpractice.com
[100]Halpin D, Menjoge S, Viel K. Patient-level pooled analysis of the effect of tiotropium on COPD exacerbations and related hospitalisations. Prim Care Respir J. 2009;18:106-113.
http://www.ncbi.nlm.nih.gov/pubmed/19407916?tool=bestpractice.com
[101]Cooper CB, Anzueto A, Decramer M, et al. Tiotropium reduces risk of exacerbations irrespective of previous use of inhaled anticholinergics in placebo-controlled clinical trials. Int J Chron Obstruct Pulmon Dis. 2011;6:269-275.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3152465/
http://www.ncbi.nlm.nih.gov/pubmed/21845038?tool=bestpractice.com
[102]Morice AH, Celli B, Kesten S, et al. COPD in young patients: a pre-specified analysis of the four-year trial of tiotropium (UPLIFT). Respir Med. 2010;104:1659-1667.
http://www.ncbi.nlm.nih.gov/pubmed/20724131?tool=bestpractice.com
[103]Van den BA, Gailly J, Neyt M. Does tiotropium lower exacerbation and hospitalization frequency in COPD patients: results of a meta-analysis. BMC Pulm Med. 2010;10:50.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2955630/
http://www.ncbi.nlm.nih.gov/pubmed/20858226?tool=bestpractice.com
[104]Wang J, Nie B, Xiong W, et al. Effect of long-acting beta-agonists on the frequency of COPD exacerbations: a meta-analysis. J Clin Pharm Ther. 2012;37:204-211.
http://www.ncbi.nlm.nih.gov/pubmed/21740451?tool=bestpractice.com
[105]Yohannes AM, Willgoss TG, Vestbo J. Tiotropium for treatment of stable COPD: a meta-analysis of clinically relevant outcomes. Resp Care. 2011;56:477-487.
http://rc.rcjournal.com/content/56/4/477.short
http://www.ncbi.nlm.nih.gov/pubmed/21255503?tool=bestpractice.com
[106]Decramer ML, Hanania NA, Lötvall JO, et al. The safety of long-acting β2-agonists in the treatment of stable chronic obstructive pulmonary disease. Int J Chron Obstruct Pulmon Dis. 2013;8:53-64.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3558319/
http://www.ncbi.nlm.nih.gov/pubmed/23378756?tool=bestpractice.com
[107]Mahler DA, Buhl R, Lawrence D, et al. Efficacy and safety of indacaterol and tiotropium in COPD patients according to dyspnoea severity. Pulm Pharmacol Ther. 2013;26:348-355.
http://www.ncbi.nlm.nih.gov/pubmed/23434446?tool=bestpractice.com
[108]Kew KM, Mavergames C, Walters JA. Long-acting beta2-agonists for chronic obstructive pulmonary disease. Cochrane Database Syst Rev. 2013;(10):CD010177.
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD010177.pub2/full
http://www.ncbi.nlm.nih.gov/pubmed/24127118?tool=bestpractice.com
O brometo de tiotrópio, um agente anticolinérgico de ação prolongada, pode ser mais efetivo que o salmeterol, um beta-2 agonista de ação prolongada, na prevenção de exacerbações,[109]Vogelmeier C, Hederer B, Glaab T, et al. Tiotropium versus salmeterol for the prevention of exacerbations of COPD. N Engl J Med. 2011;364:1093-1103.
http://www.ncbi.nlm.nih.gov/pubmed/21428765?tool=bestpractice.com
especialmente em pessoas com obstrução moderadamente grave do fluxo aéreo.[110]Vogelmeier C, Fabbri LM, Rabe KF, et al. Effect of tiotropium vs. salmeterol on exacerbations: GOLD II and maintenance therapy naïve patients. Respir Med. 2013;107:75-83.
http://www.ncbi.nlm.nih.gov/pubmed/23102611?tool=bestpractice.com
No entanto, o novo sistema de administração de tiotrópio inalatório Respimat deve ser usado com cautela, uma vez que seu uso foi associado a uma maior taxa de mortalidade.[111]Beasley R, Singh S, Loke YK, et al. Call for worldwide withdrawal of tiotropium Respimat mist inhaler. BMJ. 2012;345:e7390.
http://www.ncbi.nlm.nih.gov/pubmed/23144209?tool=bestpractice.com
O indacaterol, um beta-2 agonista de ação prolongada que é administrado uma vez ao dia, também é efetivo para melhorar o estado de saúde e reduzir os sintomas e exacerbações da DPOC.[112]Dahl R, Chung KF, Buhl R, et al. Efficacy of a new once-daily long-acting inhaled beta2-agonist indacaterol versus twice-daily formoterol in COPD. Thorax. 2010;65:473-479.
http://www.ncbi.nlm.nih.gov/pubmed/20522841?tool=bestpractice.com
[113]Chapman KR, Rennard SI, Dogra A, et al. Long-term safety and efficacy of indacaterol, a long-acting beta2-agonist, in subjects with COPD: a randomized, placebo-controlled study. Chest. 2011;140:68-75.
http://journal.publications.chestnet.org/article.aspx?articleid=1088000
http://www.ncbi.nlm.nih.gov/pubmed/21349928?tool=bestpractice.com
[114]Donohue JF, Fogarty C, Lotvall J, et al. Once-daily bronchodilators for chronic obstructive pulmonary disease: indacaterol versus tiotropium. Am J Respir Crit Care Med. 2010;182:155-162.
http://ajrccm.atsjournals.org/content/182/2/155.long
http://www.ncbi.nlm.nih.gov/pubmed/20463178?tool=bestpractice.com
Outro beta-2 agonista uma vez ao dia, o olodaterol, foi aprovado para uso em alguns países.[115]van Noord JA, Smeets JJ, Drenth BM, et al. 24-hour bronchodilation following a single dose of the novel β(2)-agonist olodaterol in COPD. Pulm Pharmacol Ther. 2011;24:666-672.
http://www.ncbi.nlm.nih.gov/pubmed/21839850?tool=bestpractice.com
O brometo de aclidínio, um novo antagonista muscarínico de ação prolongada, também é um broncodilatador efetivo que melhora a função pulmonar, reduz os sintomas e reduz exacerbações graves que demandam hospitalização.[116]Jones PW, Rennard SI, Agusti A, et al. Efficacy and safety of once-daily aclidinium in chronic obstructive pulmonary disease. Respir Res. 2011;12:55.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3098801/
http://www.ncbi.nlm.nih.gov/pubmed/21518460?tool=bestpractice.com
[117]Frampton JE. Aclidinium: in chronic obstructive pulmonary disease. Drugs. 2012;72:1999-2011.
http://www.ncbi.nlm.nih.gov/pubmed/23046206?tool=bestpractice.com
[118]Ni H, Soe Z, Moe S. Aclidinium bromide for stable chronic obstructive pulmonary disease. Cochrane Database Syst Rev. 2014;(9):CD010509.
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD010509.pub2/full
http://www.ncbi.nlm.nih.gov/pubmed/25234126?tool=bestpractice.com
Nenhum dos tipos de agente apresenta aumento substancial do risco de eventos cardiovasculares adversos.[106]Decramer ML, Hanania NA, Lötvall JO, et al. The safety of long-acting β2-agonists in the treatment of stable chronic obstructive pulmonary disease. Int J Chron Obstruct Pulmon Dis. 2013;8:53-64.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3558319/
http://www.ncbi.nlm.nih.gov/pubmed/23378756?tool=bestpractice.com
A terapia combinada com broncodilatadores de duas classes confere maiores benefícios na função pulmonar que cada classe individualmente (beta-2 agonista ou anticolinérgico de ação prolongada).[119]Wang J, Jin D, Zuo P, et al. Comparison of tiotropium plus formoterol to tiotropium alone in stable chronic obstructive pulmonary disease: a meta-analysis. Respirology. 2011;16:350-358.
http://www.ncbi.nlm.nih.gov/pubmed/21138499?tool=bestpractice.com
Entretanto, ainda não está claro se uma combinação de terapia com broncodilatador de classe dupla é mais efetiva que agentes antimuscarínicos de longa duração isolados na redução de exacerbações.[120]Wedzicha JA, Decramer M, Ficker JH, et al. Analysis of chronic obstructive pulmonary disease exacerbations with the dual bronchodilator QVA149 compared with glycopyrronium and tiotropium (SPARK): a randomised, double-blind, parallel-group study. Lancet Respir Med. 2013;1:199-209.
http://www.ncbi.nlm.nih.gov/pubmed/24429126?tool=bestpractice.com
[
]
In people with chronic obstructive pulmonary disease, what are the effects of combining long-acting beta2-agonists and tiotropium compared with either drug alone?/cca.html?targetUrl=https://cochranelibrary.com/cca/doi/10.1002/cca.1160/fullMostre-me a resposta Combinações novas de beta-2 agonista de longa duração com um antagonista muscarínico de ação prolongada (vilanterol/umeclidínio).[121]National Horizon Scanning Centre. Umeclidinium and vilanterol for chronic obstructive pulmonary disease. February 2012. http://www.hsc.nihr.ac.uk (last accessed 28 December 2015).
http://www.hsric.nihr.ac.uk/topics/umeclidinium-and-vilanterol-for-chronic-obstructive-pulmonary-disease/
[122]Bateman ED, Ferguson GT, Barnes N, et al. Dual bronchodilation with QVA149 versus single bronchodilator therapy: the SHINE study. Eur Respir J. 2013;42:1484-1494.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3844137/
http://www.ncbi.nlm.nih.gov/pubmed/23722616?tool=bestpractice.com
estão atualmente sob investigação, mas sua eficácia na redução da frequência e/ou gravidade das exacerbações ainda não é conhecida.[123]Donohue JF, Maleki-Yazdi MR, Kilbride S, et al. Efficacy and safety of once-daily umeclidinium/vilanterol 62.5/25 mcg in COPD. Respir Med. 2013;107:1538-1546.
http://www.resmedjournal.com/article/S0954-6111%2813%2900213-8/fulltext
http://www.ncbi.nlm.nih.gov/pubmed/23830094?tool=bestpractice.com
Foi demonstrado que os corticosteroides inalatórios reduzem a frequência das exacerbações e diminuem a utilização de assistência médica por doenças respiratórias.[124]Burge PS, Calverley PM, Jones PW, et al. Randomised, double blind, placebo controlled study of fluticasone propionate in patients with moderate to severe chronic obstructive pulmonary disease: the ISOLDE trial. BMJ. 2000;320:1297-1303.
http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pubmed&pubmedid=10807619
http://www.ncbi.nlm.nih.gov/pubmed/10807619?tool=bestpractice.com
[125]Lung Health Study Research Group. Effect of inhaled triamcinolone on the decline in pulmonary function in chronic obstructive pulmonary disease. N Engl J Med. 2000;343:1902-1909.
http://www.nejm.org/doi/full/10.1056/NEJM200012283432601#t=article
http://www.ncbi.nlm.nih.gov/pubmed/11136260?tool=bestpractice.com
[126]Aaron SD, Vandemheen KL, Fergusson D, et al. Tiotropium in combination with placebo, salmeterol, or fluticasone-salmeterol for treatment of chronic obstructive pulmonary disease: a randomized trial. Ann Intern Med. 2007;146:545-555.
http://www.annals.org/content/146/8/545.full.pdf
http://www.ncbi.nlm.nih.gov/pubmed/17310045?tool=bestpractice.com
[127]Alsaeedi A, Sin DD, McAlister FA. The effects of inhaled corticosteroids in chronic obstructive pulmonary disease: a systematic review of randomized placebo-controlled trials. Am J Med. 2002;113:59-65.
http://www.ncbi.nlm.nih.gov/pubmed/12106623?tool=bestpractice.com
[128]Spencer S, Karner C, Cates CJ, et al. Inhaled corticosteroids versus long-acting beta2-agonists for chronic obstructive pulmonary disease. Cochrane Database Syst Rev. 2011;(12):CD007033.
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD007033.pub3/full
http://www.ncbi.nlm.nih.gov/pubmed/22161409?tool=bestpractice.com
A inalação de corticosteroides não deve ser usada como monoterapia na DPOC; seu uso deve ser considerado terapia adicional para pessoas com exacerbações não controladas com broncodilatadores de ação prolongada isolados.[1]Global Initiative for Chronic Obstructive Lung Disease. Global strategy for the diagnosis, management and prevention of chronic obstructive pulmonary disease. November 2017 [internet publication]
http://goldcopd.org/gold-reports/
A combinação de corticosteroides inalatórios e de beta-2 agonistas de longa duração parece ser mais efetiva que o uso de cada agente individualmente na redução da frequência de episódios em pessoas com DPOC mais grave.[93]Calverley PM, Anderson JA, Celli B, et al. Salmeterol and fluticasone propionate and survival in chronic obstructive pulmonary disease. N Engl J Med. 2007;356:775-789.
http://www.ncbi.nlm.nih.gov/pubmed/17314337?tool=bestpractice.com
[129]Szafranski W, Cukier A, Ramirez A, et al. Efficacy and safety of budesonide/formoterol in the management of chronic obstructive pulmonary disease. Eur Respir J. 2003;21:74-81.
http://www.ncbi.nlm.nih.gov/pubmed/12570112?tool=bestpractice.com
[130]Calverley PM, Boonsawat W, Cseke Z, et al. Maintenance therapy with budesonide and formoterol in chronic obstructive pulmonary disease. Eur Respir J. 2003;22:912-919.
http://erj.ersjournals.com/cgi/content/full/22/6/912
http://www.ncbi.nlm.nih.gov/pubmed/14680078?tool=bestpractice.com
Em pacientes com DPOC moderada a grave, demonstrou-se que o tratamento com salmeterol associado a propionato de fluticasona reduz a taxa de exacerbações e também retarda o agravamento progressivo de volume expiratório forçado em 1 segundo (VEF1).[131]Ferguson GT, Anzueto A, Fei R, et al. Effect of fluticasone propionate/salmeterol (250/50 microg) or salmeterol (50 microg) on COPD exacerbations. Respir Med. 2008;102:1099-1108.
http://www.ncbi.nlm.nih.gov/pubmed/18614347?tool=bestpractice.com
[132]Celli BR, Thomas NE, Anderson JA, et al. Effect of pharmacotherapy on rate of decline of lung function in chronic obstructive pulmonary disease: results from the TORCH study. Am J Respir Crit Care Med. 2008;178:332-338.
http://www.ncbi.nlm.nih.gov/pubmed/18511702?tool=bestpractice.com
[133]Anzueto A, Ferguson GT, Feldman G, et al. Effect of fluticasone propionate/salmeterol (250/50) on COPD exacerbations and impact on patient outcomes. COPD. 2009;6:320-329.
http://www.ncbi.nlm.nih.gov/pubmed/19863361?tool=bestpractice.com
É importante ressaltar que a supressão do componente corticosteroide inalatório da terapia combinada leva à deterioração da função pulmonar e à piora dos sintomas nos pacientes que apresentaram duas ou mais exacerbações no ano anterior.[134]Wouters EF, Postma DS, Fokkens B, et al. Withdrawal of fluticasone propionate from combined salmeterol/fluticasone treatment in patients with COPD causes immediate and sustained disease deterioration: a randomised controlled trial. Thorax. 2005;60:480-487.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1747438/?tool=pubmed
http://www.ncbi.nlm.nih.gov/pubmed/15923248?tool=bestpractice.com
Um grande estudo subsequente de grupos paralelos em pacientes com DPOC grave e histórico de exacerbação demonstrou risco similar de exacerbação moderada a grave entre pessoas que interromperam o corticosteroide inalatório do tratamento de combinação triplo gradualmente ao longo de um período de 12 semanas, em comparação com controles que não interromperam o tratamento; a descontinuação do corticosteroide inalatório foi, no entanto, associada com uma grande redução do menor valor do volume expiratório forçado no primeiro segundo (VEF1) em 18 semanas de acompanhamento.<[135]Magnussen H, Disse B, Rodriguez-Roisin R, et al. Withdrawal of inhaled glucocorticoids and exacerbations of COPD. N Engl J Med. 2014;371:1285-1294.
http://www.nejm.org/doi/full/10.1056/NEJMoa1407154#t=article
http://www.ncbi.nlm.nih.gov/pubmed/25196117?tool=bestpractice.com
Além disso, foi relatado um aumento do risco de pneumonia após o uso prolongado de corticosteroides inalatórios e da terapia combinada com corticosteroides inalatórios/beta-2 agonistas.[93]Calverley PM, Anderson JA, Celli B, et al. Salmeterol and fluticasone propionate and survival in chronic obstructive pulmonary disease. N Engl J Med. 2007;356:775-789.
http://www.ncbi.nlm.nih.gov/pubmed/17314337?tool=bestpractice.com
[136]Welsh EJ, Cates CJ, Poole P. Combination inhaled steroid and long-acting beta2-agonist versus tiotropium for chronic obstructive pulmonary disease. Cochrane Database Syst Rev. 2013 May 31;(5):CD007891.
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD007891.pub3/full
http://www.ncbi.nlm.nih.gov/pubmed/23728670?tool=bestpractice.com
[137]Crim C, Calverley PM, Anderson JA, et al. Pneumonia risk in COPD patients receiving inhaled corticosteroids alone or in combination: TORCH study results. Eur Respir J. 2009;34:641-647.
http://erj.ersjournals.com/content/34/3/641.long
http://www.ncbi.nlm.nih.gov/pubmed/19443528?tool=bestpractice.com
[138]Singh S, Loke YK. An overview of the benefits and drawbacks of inhaled corticosteroids in chronic obstructive pulmonary disease. Int J Chron Obstruct Pulmon Dis. 2010;5:189-195.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2921686/
http://www.ncbi.nlm.nih.gov/pubmed/20714372?tool=bestpractice.com
[139]Calverley PM, Stockley RA, Seemungal TA, et al. Reported pneumonia in patients with COPD: findings from the INSPIRE study. Chest. 2011;139:505-512.
http://journal.publications.chestnet.org/article.aspx?articleid=1087764
http://www.ncbi.nlm.nih.gov/pubmed/20576732?tool=bestpractice.com
[140]Kew KM, Seniukovich A. Inhaled steroids and risk of pneumonia for chronic obstructive pulmonary disease. Cochrane Database Syst Rev. 2014;(3):CD010115.
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD010115.pub2/abstract
http://www.ncbi.nlm.nih.gov/pubmed/24615270?tool=bestpractice.com
Esse aumento do risco de pneumonia não é acompanhado por um aumento claro no risco de mortalidade.[140]Kew KM, Seniukovich A. Inhaled steroids and risk of pneumonia for chronic obstructive pulmonary disease. Cochrane Database Syst Rev. 2014;(3):CD010115.
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD010115.pub2/abstract
http://www.ncbi.nlm.nih.gov/pubmed/24615270?tool=bestpractice.com
Atualmente, há dados limitados, porém encorajadores, sobre o uso concomitante de corticosteroides inalatórios, beta-2 agonistas e medicamentos anticolinérgicos de longa duração.[98]Tashkin DP, Celli B, Senn S, et al. A 4-year trial of tiotropium in chronic obstructive pulmonary disease. N Engl J Med. 2008;359:1543-1554.
http://content.nejm.org/cgi/content/full/359/15/1543
http://www.ncbi.nlm.nih.gov/pubmed/18836213?tool=bestpractice.com
[126]Aaron SD, Vandemheen KL, Fergusson D, et al. Tiotropium in combination with placebo, salmeterol, or fluticasone-salmeterol for treatment of chronic obstructive pulmonary disease: a randomized trial. Ann Intern Med. 2007;146:545-555.
http://www.annals.org/content/146/8/545.full.pdf
http://www.ncbi.nlm.nih.gov/pubmed/17310045?tool=bestpractice.com
[141]Tashkin DP, Littner M, Andrews CP, et al. Concomitant treatment with nebulized formoterol and tiotropium in subjects with COPD: a placebo-controlled trial. Respir Med. 2008;102:479-487.
http://www.ncbi.nlm.nih.gov/pubmed/18258423?tool=bestpractice.com
[142]Tashkin DP, Rennard SI, Martin P, et al. Efficacy and safety of budesonide and formoterol in one pressurized metered-dose inhaler in patients with moderate to very severe chronic obstructive pulmonary disease: results of a 6-month randomized clinical trial. Drugs. 2008;68:1975-2000.
http://www.ncbi.nlm.nih.gov/pubmed/18778120?tool=bestpractice.com
[143]Wedzicha JA, Calverley PM, Seemungal TA, et al. The prevention of chronic obstructive pulmonary disease exacerbations by salmeterol/fluticasone propionate or tiotropium bromide. Am J Respir Crit Care Med. 2008;177:19-26.
http://www.ncbi.nlm.nih.gov/pubmed/17916806?tool=bestpractice.com
[144]Welte T, Miravitlles M, Hernandez P, et al. Efficacy and tolerability of budesonide/formoterol added to tiotropium in patients with chronic obstructive pulmonary disease. Am J Respir Crit Care Med. 2009;180:741-750.
http://www.ncbi.nlm.nih.gov/pubmed/19644045?tool=bestpractice.com
[145]Gaebel K, McIvor RA, Xie F, et al. Triple therapy for the management of COPD: a review. COPD. 2011;8:206-243.
http://www.ncbi.nlm.nih.gov/pubmed/21513437?tool=bestpractice.com
[146]Karner C, Cates CJ. The effect of adding inhaled corticosteroids to tiotropium and long-acting beta2-agonists for chronic obstructive pulmonary disease. Cochrane Database Syst Rev. 2011;(9):CD009039.
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD009039.pub2/full
http://www.ncbi.nlm.nih.gov/pubmed/21901729?tool=bestpractice.com
[147]Rojas-Reyes MX, García Morales OM, Dennis RJ, Karner C. Combination inhaled steroid and long-acting beta₂-agonist in addition to tiotropium versus tiotropium or combination alone for chronic obstructive pulmonary disease. Cochrane Database Syst Rev. 2016 Jun 6;(6):CD008532.
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD008532.pub3/full
http://www.ncbi.nlm.nih.gov/pubmed/27271056?tool=bestpractice.com
Embora beta-2 agonistas de longa duração, anticolinérgicos e corticosteroides inalatórios sejam úteis, ainda não sabemos quais são os medicamentos ideais para reduzir as exacerbações e, ao mesmo tempo, minimizar possíveis efeitos adversos,[136]Welsh EJ, Cates CJ, Poole P. Combination inhaled steroid and long-acting beta2-agonist versus tiotropium for chronic obstructive pulmonary disease. Cochrane Database Syst Rev. 2013 May 31;(5):CD007891.
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD007891.pub3/full
http://www.ncbi.nlm.nih.gov/pubmed/23728670?tool=bestpractice.com
[148]Baker WL, Baker EL, Coleman CI. Pharmacologic treatments for chronic obstructive pulmonary disease: a mixed-treatment comparison meta-analysis. Pharmacotherapy. 2009;29:891-905.
http://www.ncbi.nlm.nih.gov/pubmed/19637942?tool=bestpractice.com
[149]Rodrigo GJ, Castro-Rodriguez JA, Plaza V. Safety and efficacy of combined long-acting beta-agonists and inhaled corticosteroids vs long-acting beta-agonists monotherapy for stable COPD: a systematic review. Chest. 2009;136:1029-1038.
http://www.ncbi.nlm.nih.gov/pubmed/19633090?tool=bestpractice.com
e não sabemos qual é o impacto da terapia combinada de três classes em comparação com a de duas classes ou a terapia anticolinérgica isolada sobre os desfechos de longo prazo, como mortalidade e taxa de hospitalização.[147]Rojas-Reyes MX, García Morales OM, Dennis RJ, Karner C. Combination inhaled steroid and long-acting beta₂-agonist in addition to tiotropium versus tiotropium or combination alone for chronic obstructive pulmonary disease. Cochrane Database Syst Rev. 2016 Jun 6;(6):CD008532.
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD008532.pub3/full
http://www.ncbi.nlm.nih.gov/pubmed/27271056?tool=bestpractice.com
[150]Hanania NA, Crater GD, Morris AN, et al. Benefits of adding fluticasone propionate/salmeterol to tiotropium in moderate to severe COPD. Respir Med. 2012;106:91-101.
http://www.ncbi.nlm.nih.gov/pubmed/22040533?tool=bestpractice.com
Estão surgindo novas terapias combinadas, incluindo fluticasona/vilanterol e indacaterol/brometo de glicopirrônio, e o seu impacto nas exacerbações da DPOC está sendo estudado.
Tratamento de pacientes com doses intermitentes de macrolídeos,[151]Albert RK, Connett J, Bailey WC, et al. Azithromycin for prevention of exacerbations of COPD. N Engl J Med. 2011; 365: 689-698.
http://www.ncbi.nlm.nih.gov/pubmed/21864166?tool=bestpractice.com
[152]Simoens S, Laekeman G, Decramer M. Preventing COPD exacerbations with macrolides: a review and budget impact analysis. Respir Med. 2013;107:637-648.
http://www.ncbi.nlm.nih.gov/pubmed/23352223?tool=bestpractice.com
a fluoroquinolona moxifloxacino,[153]Sethi S, Jones PW, Theron MS, et al. Pulsed moxifloxacin for the prevention of exacerbations of chronic obstructive pulmonary disease: a randomized controlled trial. Respir Res. 2010;11:10.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2834642/?tool=pubmed
http://www.ncbi.nlm.nih.gov/pubmed/20109213?tool=bestpractice.com
[154]Miravitlles M, Marín A, Monsó E, et al. Efficacy of moxifloxacin in the treatment of bronchial colonisation in COPD. Eur Respir J. 2009;34:1066-1071.
http://erj.ersjournals.com/content/34/5/1066.long
http://www.ncbi.nlm.nih.gov/pubmed/19386683?tool=bestpractice.com
inibidores da fosfodiesterase[155]Rennard SI, Schachter N, Strek M, et al. Cilomilast for COPD:results of a 6-month, placebo-controlled study of a potent, selective inhibitor of phosphodiesterase 4. Chest. 2006;129:56-66.
http://www.ncbi.nlm.nih.gov/pubmed/16424413?tool=bestpractice.com
[156]Rabe KF, Bateman ED, O'Donnell D, et al. Roflumilast - an oral anti-inflammatory treatment for chronic obstructive pulmonary disease: a randomised controlled trial. Lancet. 2005;366:563-571.
http://www.ncbi.nlm.nih.gov/pubmed/16099292?tool=bestpractice.com
, como o roflumilaste ou estatinas,[157]Mortensen EM, Copeland LA, Pugh MJ, et al. Impact of statins and ACE inhibitors on mortality after COPD exacerbations. Respir Res. 2009;10:45.
http://www.ncbi.nlm.nih.gov/pubmed/19493329?tool=bestpractice.com
[158]Blamoun AI, Batty GN, DeBari VA, et al. Statins may reduce episodes of exacerbation and the requirement for intubation in patients with COPD: evidence from a retrospective cohort study. Int J Clin Pract. 2008;62:1373-1378.
http://www.ncbi.nlm.nih.gov/pubmed/18422598?tool=bestpractice.com
[159]Janda S, Park K, FitzGerald JM, et al. Statins in COPD: a systematic review. Chest. 2009;136:734-743.
http://www.ncbi.nlm.nih.gov/pubmed/19376844?tool=bestpractice.com
também pode reduzir a frequência, a intensidade e/ou a duração das exacerbações da DPOC. O uso em curto prazo de antibióticos profiláticos pode reduzir a taxa e o número de exacerbações da DPOC ou da bronquite crônica,[160]Lee JS, Park DA, Hong Y, et al. Systematic review and meta-analysis of prophylactic antibiotics in COPD and/or chronic bronchitis. Int J Tuberc Lung Dis. 2013;17:153-162.
http://www.ncbi.nlm.nih.gov/pubmed/23317949?tool=bestpractice.com
e o tratamento preventivo com macrolídeos pode proporcionar economia com custos de saúde.[152]Simoens S, Laekeman G, Decramer M. Preventing COPD exacerbations with macrolides: a review and budget impact analysis. Respir Med. 2013;107:637-648.
http://www.ncbi.nlm.nih.gov/pubmed/23352223?tool=bestpractice.com
A terapia com azitromicina diária foi mais efetiva na redução de exacerbações que demandavam tratamento com antibiótico e esteroide, e a redução de risco foi maior entre pessoas mais idosas e com nível GOLD leve; notavelmente, nenhuma redução significativa de risco de exacerbação foi encontrada entre fumantes atuais.[161]Han MK, Tayob N, Murray S, et al. Predictors of chronic obstructive pulmonary disease exacerbation reduction in response to daily azithromycin therapy. Am J Respir Crit Care Med. 2014;189:1503-1508.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4226018/
http://www.ncbi.nlm.nih.gov/pubmed/24779680?tool=bestpractice.com
O impacto do uso intermitente (por exemplo, três vezes por semana) em longo prazo de macrolídeos ou outros antibióticos profiláticos sobre o desenvolvimento de patógenos resistentes a antibióticos e de exacerbações relacionadas à DPOC ainda é desconhecido, mas é potencialmente preocupante. A terapia com o inibidor da fosfodiesterase-4 (PDE4) geralmente é associada a desconforto gastrointestinal, dor abdominal, perda de peso e outros efeitos colaterais; a tolerância individual dos pacientes a esses agentes varia. É importante ressaltar que estudos atuais sugerem que o inibidor da PDE4 roflumilaste reduziu as exacerbações entre pacientes com obstrução grave do fluxo aéreo e com características clínicas de bronquite crônica (incluindo tosse e produção de expectoração), mas não entre aqueles com predominância de enfisema sem características de bronquite crônica.[162]Rennard S, Calverley PM, Goehring PMA, et al. Reduction of exacerbations by the PDE4 inhibitor roflumilast—the importance of defining different subsets of patients with COPD. Respir Res. 2011;12:18.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3040135/
http://www.ncbi.nlm.nih.gov/pubmed/21272339?tool=bestpractice.com
[163]Taegtmeyer AB, Leuppi JD, Kullak-Ublick GA. Roflumilast: a phosphodiesterase-4 inhibitor licensed for add-on therapy in severe COPD. Swiss Med Wkly. 2012;142:w13628.
http://www.ncbi.nlm.nih.gov/pubmed/22833385?tool=bestpractice.com
Mucolíticos orais como N-acetilcisteína podem oferecer benefícios na redução da exacerbação, particularmente entre pessoas com DPOC moderada a grave e/ou história de duas ou mais exacerbações nos 2 anos anteriores, mas sua função ainda é controversa.[83]Criner GJ, Bourbeau J, Diekemper RL, et al. Prevention of acute exacerbations of COPD: American College of Chest Physicians and Canadian Thoracic Society Guideline. Chest. 2015;147:894-942.
http://journal.publications.chestnet.org/article.aspx?articleid=1918414
http://www.ncbi.nlm.nih.gov/pubmed/25321320?tool=bestpractice.com
[164]Davies L, Calverley PM. The evidence for the use of oral mucolytic agents in chronic obstructive pulmonary disease (COPD). Br Med Bull. 2010;93:217-227.
http://bmb.oxfordjournals.org/content/93/1/217.long
http://www.ncbi.nlm.nih.gov/pubmed/20031934?tool=bestpractice.com
[165]Poole P, Chong J, Cates CJ. Mucolytic agents versus placebo for chronic bronchitis or chronic obstructive pulmonary disease. Cochrane Database Syst Rev. 2015;(7):CD001287.
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD001287.pub5/full
http://www.ncbi.nlm.nih.gov/pubmed/26222376?tool=bestpractice.com
A terapia para potencializar a alfa 1-antitripsina pode reduzir a frequência de exacerbações em algumas pessoas cuja etiologia da DPOC é comprovadamente a deficiência de alfa 1-antitripsina.[166]Kueppers F. The role of augmentation therapy in alpha-1 antitrypsin deficiency. Curr Med Res Opin. 2011;27:579-588.
http://www.ncbi.nlm.nih.gov/pubmed/21226542?tool=bestpractice.com
Em geral, os betabloqueadores são suspensos em pacientes com DPOC devido à preocupação quanto à precipitação das exacerbações e do broncoespasmo. Entretanto, a doença cardiovascular é normalmente uma comorbidade da DPOC, e muitos pacientes têm indicações cardiovasculares para uso de betabloqueadores. Dados atuais sugerem que os betabloqueadores cardiosseletivos são seguros e eficazes em pacientes com DPOC, além de reduzirem o risco de exacerbação e mortalidade.[167]Salpeter SR, Ormiston TM, Salpeter EE. Cardioselective beta-blockers for chronic obstructive pulmonary disease. Cochrane Database Syst Rev. 2005;(4):CD003566.
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD003566.pub2/full
http://www.ncbi.nlm.nih.gov/pubmed/16235327?tool=bestpractice.com
[168]Rutten FH, Zuithoff NP, Hak E, et al. Beta-blockers may reduce mortality and risk of exacerbations in patients with chronic obstructive pulmonary disease. Arch Intern Med. 2010;170:880-887.
http://archinte.jamanetwork.com/article.aspx?articleid=415954
http://www.ncbi.nlm.nih.gov/pubmed/20498416?tool=bestpractice.com
Por isso, os betabloqueadores não devem ser suspensos em pacientes com DPOC que tenham indicações cardiovasculares para seu uso.
Alguns dados sugerem que uma vacina oral contra o Haemophilus influenzae pode ajudar a reduzir a recorrência de exacerbações de bronquite crônica em determinados pacientes;[169]Foxwell AR, Cripps AW, Dear KB. Haemophilus influenzae oral whole cell vaccination for preventing acute exacerbations of chronic bronchitis. Cochrane Database Syst Rev. 2010;(10):CD001958.
http://www.ncbi.nlm.nih.gov/pubmed/20927727?tool=bestpractice.com
no entanto, uma análise de revisão Cochrane demonstrou que a vacina H influenzae oral não reduziu significativamente o número ou a gravidade das exacerbações.[170]Teo E, Lockhart K, Purchuri SN, et al. Haemophilus influenzae oral vaccination for preventing acute exacerbations of chronic bronchitis and chronic obstructive pulmonary disease. Cochrane Database Syst Rev. 2017 Jun 19;6:CD010010.
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD010010.pub3/full
http://www.ncbi.nlm.nih.gov/pubmed/28626902?tool=bestpractice.com
Vacinas orais contra Haemophilus não são formalmente recomendadas nas diretrizes existentes.[31]Woodhead M, Blasi F, Ewig S, et al. Guidelines for the management of adult lower respiratory tract infections - full version. Clini Microbiol Infect. 2011;17(suppl 6):E1-E59.
http://onlinelibrary.wiley.com/doi/10.1111/j.1469-0691.2011.03672.x/full
http://www.ncbi.nlm.nih.gov/pubmed/21951385?tool=bestpractice.com
Também não são recomendados antibióticos profiláticos para prevenir exacerbações.
Apesar de estudos retrospectivos sugerirem que as estatinas podem diminuir a taxa e gravidade das exacerbações, um grande ensaio clínico prospectivo randomizado controlado de sinvastatina versus placebo não demonstrou uma redução nas taxas de exacerbação ou do tempo até a primeira exacerbação em pessoas com história de exacerbação de DPOC que necessitaram de visita ao pronto-socorro ou hospitalização no ano anterior à participação no estudo.[171]Criner GJ, Connett JE, Aaron SD, et al. Simvastatin for the prevention of exacerbations in moderate-to-severe COPD. N Engl J Med. 2014;370:2201-2210.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4375247/
http://www.ncbi.nlm.nih.gov/pubmed/24836125?tool=bestpractice.com