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Does body mass index influence pulmonary function test values and functional exercise capacity after chest physiotherapy following coronary artery bypass graft

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Indian Journal of Thoracic and Cardiovascular Surgery Aims and scope Submit manuscript

Abstract

Purpose

Underweight (BMI < 18.5) and obese (BMI ≥ 30) patients may not tolerate coronary artery bypass graft (CABG) surgery as well as other patients. High and low body mass indices seem to pose a substantial risk of developing post-operative pulmonary complications in subjects undergoing cardiac surgery. To what extent body mass index (BMI) influences postoperative pulmonary complications has not yet been defined.

Methods

Patients posted for CABG were divided into 4 groups based on the BMI. Before and after the surgery chest physiotherapy was administered; pulmonary function tests (PFT) were performed preoperatively and on the 7th postoperative day. Six-minute Walk test (6MWT) was performed preoperatively and postoperatively on the 5th day. The values were analysed and compared among the groups.

Results

Forced expiratory volume in one second (FEV1), Forced vital capacity (FVC) and Vital Capacity (VC) were significantly lesser in underweight and obese groups (p = 0.001). In 6MWT the maximum reduction in the distance covered was in the underweight group.

Conclusion

The underweight group experienced the greatest reduction in pulmonary function test values and 6MWT values after CABG.

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Authors and Affiliations

  1. Department of Cardio Respiratory Rehabilitation, Nitte Institute of Physiotherapy, Nitte University, Mangalore, Karnataka, India

    Ajith Soman

  2. Department of Cardiothoracic Surgery, Nitte University, Mangalore, Karnataka, India

    Gopalakrishnan Mundyat

  3. Nitte Institute of Physiotherapy, Nitte University, Mangalore, Karnataka, India

    Dhanesh Kumar & Haripriya Santhakumar

Authors
  1. Ajith Soman
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  2. Gopalakrishnan Mundyat
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  3. Dhanesh Kumar
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  4. Haripriya Santhakumar
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Correspondence to Ajith Soman.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Informed consent was obtained from all individual participants included in the study.

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Soman, A., Mundyat, G., Kumar, D. et al. Does body mass index influence pulmonary function test values and functional exercise capacity after chest physiotherapy following coronary artery bypass graft. Indian J Thorac Cardiovasc Surg 34, 116–124 (2018). https://doi.org/10.1007/s12055-017-0528-8

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  • DOI: https://doi.org/10.1007/s12055-017-0528-8

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