This Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Estimation of lung vital capacity before and after coronary artery bypass grafting surgery: a comparison of incentive spirometer and ventilometry. Journal of Cardiothoracic Surgery 2011, 6:70 doi:10.1186/1749-8090-6-70 Areli Cunha Pinheiro (arelicunhapinheiro@gmail.com) Michelli Christina Magalhaes Novais (michellichristinamagalhaes@gmail.com) Mansueto GOMES Neto (mansuetogomesneto@gmail.com) Marcus Vinicius Herbst Rodrigues (marcus@fisiorespiratoria.com.br) Erenaldo de Souza Rodrigues Junior (jrcb77@gmail.com) Roque Aras-Junior (roquearasjunior@gmail.com) Vitor OLIVEIRA Carvalho (vitor.carvalho@usp.br) ISSN 1749-8090 Article type Research article Submission date 3 January 2011 Acceptance date 12 May 2011 Publication date 12 May 2011 Article URL http://www.cardiothoracicsurgery.org/content/6/1/70 This peer-reviewed article was published immediately upon acceptance. It can be downloaded, printed and distributed freely for any purposes (see copyright notice below). Articles in Journal of Cardiothoracic Surgery are listed in PubMed and archived at PubMed Central. For information about publishing your research in Journal of Cardiothoracic Surgery or any BioMed Central journal, go to http://www.cardiothoracicsurgery.org/info/instructions/ For information about other BioMed Central publications go to http://www.biomedcentral.com/ Journal of Cardiothoracic Surgery © 2011 Cunha Pinheiro et al. ; licensee BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.