Assessment of respiratory muscle strength, maximal expirator | 18227
International Research Journals

Assessment of respiratory muscle strength, maximal expiratory flow and pain after upper and lower laparotomy


Renata da Mota Lopes, Rômulo Dias Novaes, Aline Silva de Miranda, Marcus Alessandro de Alcântara, Miguel Pontes Correia Neves, Vanessa Amaral Mendonça

Abdominal surgeries are frequently associated with postoperative respiratory muscle dysfunction. The aim of this study was to investigate the behavior of maximal inspiratory and expiratory pressure (MIP and MEP), peak expiratory flow (PEF) and pain in the pre-operative and postoperative of open inguinal herniorrhaphy (OIH) and open cholecystectomy (OC). Twenty seven patients with low risk factors for respiratory complications submitted to OIH (n=12) or OC (n=15) were investigated. The MIP, MEP, PEF and pain were measured at times pre-operative and 24 hours postoperative using manovacuometer, peak flow meter and visual analog scale of pain respectively. There was significant reduction of all respiratory measures in the 24 hours after OC (p<0.05) and only of the expiratory variables in the 24 hours after OIH (p<0.05). The level of pain was significantly increased after OIH (p<0.05). We found that both surgery types assessed caused impairment of the respiratory muscle strength and the PEF. Therefore, the respiratory muscle evaluation can be useful to determine the pulmonary dysfunction results from upper and lower abdominal surgery.

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