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Clin Rehabil. 2017 Apr;31(4):454-464. doi: 10.1177/0269215516648754. Epub 2016 Jul 10.

Pre- and postoperative inspiratory muscle training in patients undergoing cardiac surgery: systematic review and meta-analysis.

Author information

1
1 Departamento de Biofunção, Universidade Federal da Bahia, Salvador, Brazil.
2
2 Programa de Pós-graduação em Medicina e Saúde da Universidade Federal da Bahia, Salvador, Brazil.
3
3 The GREAT Group (GRupo de Estudos em ATividade física), Brazil.
4
4 Departamento de Fisioterapia da Universidade do Estado da Bahia, Salvador, Brazil.
5
5 Departamento de Fisioterapia da Universidade Federal de Sergipe, Aracaju, Brazil.

Abstract

OBJECTIVE:

To determine the effects of pre- and postoperative inspiratory muscle training on length of postoperative hospital stay and pulmonary function in patients undergoing cardiac surgery.

DESIGN AND METHODS:

We conducted a systematic search using databases (MEDLINE, CINAHL, EMBASE, PEDro and the Cochrane) to find controlled trials evaluating the effects of pre- and postoperative inspiratory muscle training.

RESULTS:

Eight studies fulfilled the inclusion criteria. Four were about preoperative inspiratory muscle training (416 patients), three about postoperative inspiratory muscle training (115 patients) and one study about pre- and postoperative inspiratory muscle training (43 patients). Preoperative inspiratory muscle training resulted in improvement in: Reduction in length of postoperative hospital stay of -2 days (95% CI -3.4, -0.7, N = 302), inspiratory pressure of 16.7 cm H2O (95% CI 13.8, 19.5, N = 386), forced expiratory volume in one second of 3% predicted (95% CI 0.1, 6, N = 140), forced vital capacity of 4.6% predicted (95% CI 1.9, 7.4, N = 140). Patients that received preoperative training had an inspiratory muscle training reduced risk of postoperative pulmonary complications, (RR = 0.6; 95% CI 0.5 to 0.8; P = 0.0004, N = 386). Postoperative inspiratory muscle training resulted in improvement in inspiratory pressure of 16.5 cm H2O (95% CI 4.9, 27.8, N = 115), and tidal volume of 185 ml (95% CI 19.7, 349.8, N = 85).

CONCLUSION:

Pre- and postoperative inspiratory muscle training showed to be a beneficial intervention in the treatment of patients undergoing cardiac surgery.

KEYWORDS:

Cardiac surgery; exercise; preoperative care; respiratory muscle training

PMID:
27154820
DOI:
10.1177/0269215516648754
[Indexed for MEDLINE]

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