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Tytuł:
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Quantity and quality of antigravity muscles in patients undergoing living-donor lobar lung transplantation: 1-year longitudinal analysis using chest computed tomography images.
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Autorzy:
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Oshima Y; Rehabilitation Unit, Kyoto University Hospital, Kyoto, Japan.
Sato S; Rehabilitation Unit, Kyoto University Hospital, Kyoto, Japan.; Dept of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
Chen-Yoshikawa TF; Dept of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
Yoshioka Y; Rehabilitation Unit, Kyoto University Hospital, Kyoto, Japan.
Shimamura N; Rehabilitation Unit, Kyoto University Hospital, Kyoto, Japan.
Hamada R; Rehabilitation Unit, Kyoto University Hospital, Kyoto, Japan.
Nankaku M; Rehabilitation Unit, Kyoto University Hospital, Kyoto, Japan.
Tamaki A; Dept of Rehabilitation Science, Graduate School of Health Science, Hyogo University of Health Sciences, Kobe, Japan.
Date H; Dept of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
Matsuda S; Rehabilitation Unit, Kyoto University Hospital, Kyoto, Japan.
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Źródło:
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ERJ open research [ERJ Open Res] 2020 Jul 06; Vol. 6 (2). Date of Electronic Publication: 2020 Jul 06 (Print Publication: 2020).
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Original Publication: Sheffield : European Respiratory Society, [2015]-
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References:
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Entry Date(s):
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Date Created: 20200716 Latest Revision: 20220415
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Update Code:
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20221213
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PubMed Central ID:
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PMC7335834
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DOI:
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10.1183/23120541.00205-2019
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PMID:
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32665944
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Background: Skeletal muscle dysfunction is a common feature in patients with severe lung diseases. Although lung transplantation aims to save these patients, the surgical procedure and disuse may cause additional deterioration and prolonged functional disability. We investigated the postoperative course of antigravity muscle condition in terms of quantity and quality using chest computed tomography.
Methods: 35 consecutive patients were investigated for 12 months after living-donor lobar lung transplantation (LDLLT). The erector spinae muscles (ESMs), which are antigravity muscles, were evaluated, and the cross-sectional area (ESM CSA ) and mean attenuation (ESM CT ) were analysed to determine the quantity and quality of ESMs. Functional capacity was evaluated by the 6-min walk distance (6MWD). Age-matched living donors with lower lobectomy were evaluated as controls.
Results: Recipient and donor ESM CSA values temporarily decreased at 3 months and recovered by 12 months post-operatively. The ESM CSA of recipients, but not that of donors, surpassed baseline values by 12 months post-operatively. Increased ESM CSA (ratio to baseline ≥1) may occur at 12 months in patients with a high baseline ESM CT . Although the recipient ESM CT may continuously decrease for 12 months, the ESM CT is a major determinant, in addition to lung function, of the postoperative 6MWD at both 3 and 12 months.
Conclusion: The quantity of ESMs may increase within 12 months after LDLLT in recipients with better muscle quality at baseline. The quality of ESMs is also important for physical performance; therefore, further approaches to prevent deterioration in muscle quality are required.
Competing Interests: Conflict of interest: Y. Oshima has nothing to disclose. Conflict of interest: S. Sato has nothing to disclose. Conflict of interest: T.F. Chen-Yoshikawa has nothing to disclose. Conflict of interest: Y. Yoshioka has nothing to disclose. Conflict of interest: N. Shimamura has nothing to disclose. Conflict of interest: R. Hamada has nothing to disclose. Conflict of interest: M. Nankaku has nothing to disclose. Conflict of interest: A. Tamaki has nothing to disclose. Conflict of interest: H. Date has nothing to disclose. Conflict of interest: S. Matsuda has nothing to disclose.
(Copyright ©ERS 2020.)