The Effects of Intermittent Positive Pressure and Incentive Spirometry in the Postoperative of Myocardial Revascularisation

Walmir Romanini, Andrea Pires Muller, Katherine Athayde Teixeira de Carvalho, Marcia Olandski, José Rocha Faria-Neto, Felipe Luiz Mendes, Evandro Antonio Sardetto, Francisco Diniz Afonso da Costa, Luiz César Guarita-Souza

This study was designed to evaluate the physiotherapeutic effect of intermittent positive pressure breathing (IPPB) and incentive spirometry (IS) in patients undergoing myocardial revascularization surgery. Forty patients were divided into two groups, one group receiving IPPB and the other IS. The following respiratory parameters were assessed; oxygen saturation, respiratory rate, minute volume, maximum inspiratory and expiratory pressure and current volume (minute volume/ respiratory rate) at 24, 48 and 72 hours postoperatively.

The results showed an increase in oxygen saturation which was greater in the IPPB group, while the IS group had a greater improvement in maximum expiratory pressure. All other variables measured were not different between the groups. The authors concluded that if one is aiming to improve hypoxemia then IPPB is more efficient when compared to IS, and IS more effective in improving respiratory muscle strength.

Aquiver Brassieres de Cardiologic 2007, 89(2):94-99


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