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Siniscalchi C, Nouvenne A, Cerundolo N, Meschi T, Ticinesi A. Diaphragm Ultrasound in Different Clinical Scenarios: A Review with a Focus on Older Patients. Geriatrics (Basel) 2024; 9:70. [PMID: 38920426 PMCID: PMC11202496 DOI: 10.3390/geriatrics9030070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/08/2024] [Accepted: 05/28/2024] [Indexed: 06/27/2024] Open
Abstract
Diaphragm muscle dysfunction is increasingly recognized as a fundamental marker of several age-related diseases and conditions including chronic obstructive pulmonary disease, heart failure and critical illness with respiratory failure. In older individuals with physical frailty and sarcopenia, the loss of muscle mass and function may also involve the diaphragm, contributing to respiratory dysfunction. Ultrasound has recently emerged as a feasible and reliable strategy to visualize diaphragm structure and function. In particular, it can help to predict the timing of extubation in patients undergoing mechanical ventilation in intensive care units (ICUs). Ultrasonographic evaluation of diaphragmatic function is relatively cheap, safe and quick and can provide useful information for real-time monitoring of respiratory function. In this review, we aim to present the current state of scientific evidence on the usefulness of ultrasound in the assessment of diaphragm dysfunction in different clinical settings, with a particular focus on older patients. We highlight the importance of the qualitative information gathered by ultrasound to assess the integrity, excursion, thickness and thickening of the diaphragm. The implementation of bedside diaphragm ultrasound could be useful for improving the quality and appropriateness of care, especially in older subjects with sarcopenia who experience acute respiratory failure, not only in the ICU setting.
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Affiliation(s)
- Carmine Siniscalchi
- Department of Continuity of Care and Multicomplexity, Azienda Ospedaliero-Universitaria di Parma, Via Antonio Gramsci 14, 43126 Parma, Italy; (C.S.); (A.N.); (N.C.); (T.M.)
| | - Antonio Nouvenne
- Department of Continuity of Care and Multicomplexity, Azienda Ospedaliero-Universitaria di Parma, Via Antonio Gramsci 14, 43126 Parma, Italy; (C.S.); (A.N.); (N.C.); (T.M.)
- Department of Medicine and Surgery, University of Parma, Via Antonio Gramsci 14, 43126 Parma, Italy
| | - Nicoletta Cerundolo
- Department of Continuity of Care and Multicomplexity, Azienda Ospedaliero-Universitaria di Parma, Via Antonio Gramsci 14, 43126 Parma, Italy; (C.S.); (A.N.); (N.C.); (T.M.)
| | - Tiziana Meschi
- Department of Continuity of Care and Multicomplexity, Azienda Ospedaliero-Universitaria di Parma, Via Antonio Gramsci 14, 43126 Parma, Italy; (C.S.); (A.N.); (N.C.); (T.M.)
- Department of Medicine and Surgery, University of Parma, Via Antonio Gramsci 14, 43126 Parma, Italy
| | - Andrea Ticinesi
- Department of Continuity of Care and Multicomplexity, Azienda Ospedaliero-Universitaria di Parma, Via Antonio Gramsci 14, 43126 Parma, Italy; (C.S.); (A.N.); (N.C.); (T.M.)
- Department of Medicine and Surgery, University of Parma, Via Antonio Gramsci 14, 43126 Parma, Italy
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Chen Y, Li J, Zhu Z, Lyu G. Lung Ultrasound Assessment of Lung Hyperinflation in Patients with Stable COPD: An Effective Diagnostic Tool. Int J Chron Obstruct Pulmon Dis 2024; 19:319-330. [PMID: 38298918 PMCID: PMC10829508 DOI: 10.2147/copd.s441374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 01/20/2024] [Indexed: 02/02/2024] Open
Abstract
Purpose To evaluate the degree of lung hyperinflation (LH) in patients with stable chronic obstructive pulmonary disease (COPD) by lung ultrasound score (LUS) and assess its value. Patients and Methods We conducted a study of 149 patients with stable COPD and 100 healthy controls recruited by the Second Affiliated Hospital of Fujian Medical University. The pleural sliding displacement (PSD) was measured, the sliding of the pleura in different areas was observed, and LUS was calculated from both of them. The diaphragm excursion (DE), residual capacity (RV), total lung capacity (TLC), inspiratory capacity (IC) and functional residual capacity (FRC) were measured. We described the correlation between ultrasound indicators and pulmonary function indicators reflecting LH. Multiple linear regression analysis was used. The ROC curves of LUS and DE were drawn to evaluate their diagnostic efficacy, and De Long method was used for comparison. Results (1) The LUS of patients with stable COPD were positively correlated with RV, TLC, RV/TLC and FRC and negatively correlated with IC and IC/TLC (r1=0.72, r2=0.41, r3=0.72, r4=0.70, r5=-0.56, r6=-0.65, P < 0.001). The correlation was stronger than that between DE at maximal deep inspiration and the corresponding pulmonary function indices (r1=-0.41, r2=-0.26, r3=-0.40, r4=-0.43, r5=0.30, r6=0.37, P < 0.001). (2) Multiple linear regression analysis showed that LUS were significantly correlated with IC/TLC and RV/TLC. (3) With IC/TLC<25% and RV/TLC>60% as the diagnostic criterion of severe LH, the areas under the ROC curves of LUS and DE at maximal deep inspiration for diagnosing severe LH were 0.914 and 0.385, 0.845 and 0.543, respectively (P < 0.001). Conclusion The lung ultrasound score is an important parameter for evaluating LH. LUS is better than DE at maximal deep inspiration for diagnosing severe LH and is expected to become an effective auxiliary tool for evaluating LH.
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Affiliation(s)
- Yongjian Chen
- Department of Ultrasound, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, People’s Republic of China
| | - Jingyun Li
- School of Medicine, Quanzhou Medical College, Quanzhou, Fujian, People’s Republic of China
| | - Zhixing Zhu
- Department of Pulmonary and Critical Care Medicine, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, People’s Republic of China
| | - Guorong Lyu
- Department of Ultrasound, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, People’s Republic of China
- School of Medicine, Quanzhou Medical College, Quanzhou, Fujian, People’s Republic of China
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Shen H, Xu Y, Zhang Y, Ren L, Chen R. Correlation Between Diaphragmatic Excursion and Exercise Tolerance Improvement Following Pulmonary Rehabilitation in Patients with Chronic Obstructive Pulmonary Disease-Obstructive Sleep Apnea Overlap Syndrome. Int J Chron Obstruct Pulmon Dis 2024; 19:63-75. [PMID: 38222322 PMCID: PMC10787556 DOI: 10.2147/copd.s437698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 12/26/2023] [Indexed: 01/16/2024] Open
Abstract
Purpose We assess the predictive value of diaphragm excursion (DE) in enhancing exercise tolerance following pulmonary rehabilitation (PR) among patients with COPD-OSA overlap syndrome. Material and Methods This prospective cohort study enrolled 63 patients diagnosed with COPD-OSA overlap syndrome who actively participated in a PR program from January 2021 to May 2023. Among these, 58 patients successfully completed the 20-week PR program, with exercise tolerance assessed through the measurement of six-minute walk distance (6MWD), and DE evaluated by ultrasonography. The responder to PR in terms of exercise ability was defined as a patient who showed an increase of >30m in 6MWD. The cutoff value for predicting PR response based on DE was determined using receiver operating characteristic (ROC) curves. Results Following the PR program, significant improvements were observed in mMRC, 6MWD, DE during deep breathing, and diaphragm thickness fraction (DTF). Of the participants, 33 patients (57%) were classified as responders, while 25 patients (43%) were considered non-responders. Baseline values of FEV1% predicted, 6MWD, DE during deep breathing, DTF, and PaO2 exhibited a significant elevation in responders as compared to non-responders. The changes of 6MWD were positively associated with the baseline values of DTF and DE during deep breathing, FEV1% predicted and PaO2, while negatively correlated with baseline value of mMRC. The predictive performance in terms of the area under the ROC curve for determining responder's DTF was found to be 0.769, accompanied by a sensitivity of 85% and specificity of 68%, using a cutoff value at 17.26%. Moreover, it was observed that DE during deep breathing could predict the area under the ROC curve for responders to be 0.753, with a sensitivity of 91% and specificity of 56% at a cutoff value of 3.61cm. Conclusion Diaphragm excursion serves as a valuable predictor for determining the enhancement of exercise tolerance following PR in patients with COPD-OSA overlap syndrome. Trial Registration ChiCTR1800020257, www.chictr.org.cn/index.aspx.
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Affiliation(s)
- Honghua Shen
- Department of Respiratory Medicine, the Second Affiliated Hospital of Soochow University, Suzhou, 215004, People’s Republic of China
- Department of Respiratory Rehabilitation, the Fourth Rehabilitation Hospital of Shanghai, Shanghai, 200040, People’s Republic of China
| | - Yiming Xu
- Department of Respiratory Rehabilitation, the Fourth Rehabilitation Hospital of Shanghai, Shanghai, 200040, People’s Republic of China
| | - Yin Zhang
- Department of Respiratory Rehabilitation, the Fourth Rehabilitation Hospital of Shanghai, Shanghai, 200040, People’s Republic of China
| | - Lei Ren
- Department of Respiratory Rehabilitation, the Fourth Rehabilitation Hospital of Shanghai, Shanghai, 200040, People’s Republic of China
| | - Rui Chen
- Department of Respiratory Medicine, the Second Affiliated Hospital of Soochow University, Suzhou, 215004, People’s Republic of China
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Schenesse D, Mouillot P, Rabec C, Barnestein R, Tankere P, Giboulot M, Bonniaud P, Georges M. [Diaphragmatic ultrasonography for the pulmonologist: Technique and clinical use]. Rev Mal Respir 2024; 41:1-17. [PMID: 37980184 DOI: 10.1016/j.rmr.2023.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 09/29/2023] [Indexed: 11/20/2023]
Abstract
INTRODUCTION Ultrasonography is an emerging tool that helps to assess diaphragmatic function. It is now widely used in ICUs to predict weaning from mechanical ventilation. Ultrasonography is readily available, harmless (no radiation), and repeatable with good interoperator reproducibility. Over the past few years, ultrasonography has seen increasing use in patients with chronic pulmonary pathologies. STATE OF THE ART The aim of this review is (1) to describe the ultrasound techniques used to assess diaphragmatic excursion and thickening, (2) to indicate the expected, normal values in healthy patients, and (3) to summarize the main findings and clinical applications in treatment of chronic respiratory disorders. CONCLUSIONS Chronic pulmonary diseases are associated with diaphragmatic dysfunction that can be assessed with ultrasound. Diaphragmatic dysfunction is primary in neuromuscular disorders and secondary to respiratory disease in other chronic pulmonary conditions (COPD, ILD). Ultrasound is correlated with the severity of the underlying disease (functional and clinical parameters). PERSPECTIVES The prognostic interest of diaphragm ultrasonography remains to be established, after which its utilization should become routine.
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Affiliation(s)
- D Schenesse
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France
| | - P Mouillot
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France
| | - C Rabec
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France
| | - R Barnestein
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France
| | - P Tankere
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France
| | - M Giboulot
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France
| | - P Bonniaud
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France; Inserm, LNC UMR 1231, LipSTIC LabEx Team, Dijon, France
| | - M Georges
- Service de pneumologie et soins intensifs respiratoires, centre de référence des maladies pulmonaires rares de l'adulte, CHU Dijon-Bourgogne, 14, rue Paul-Gaffarel, 21000 Dijon, France; UMR 6265 CNRS 1234 INRA, centre des sciences du goût et de l'alimentation, université Bourgogne-Franche-Comté, Dijon, France.
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Xu Y, Yang D, Lu B, Zhang Y, Ren L, Shen H. Efficacy of aerobic training and resistance training combined with external diaphragm pacing in patients with chronic obstructive pulmonary disease: A randomized controlled study. Clin Rehabil 2023; 37:1479-1491. [PMID: 37122164 DOI: 10.1177/02692155231172005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
OBJECTIVE To evaluate the efficacy of aerobic training, resistance training combined with external diaphragm pacing in patients with chronic obstructive pulmonary disease. DESIGN Randomized controlled trial. SETTING The Fourth Rehabilitation Hospital of Shanghai, China. PARTICIPANTS 82 (67.0 ± 6.5 years, 59.8% male) patients with stable chronic obstructive pulmonary disease were randomized to intervention group 1 (n = 27), intervention group 2 (n = 28), and control group (n = 27). INTERVENTION Intervention group 1 received aerobic and resistance training, while intervention group 2 received additional external diaphragm pacing. Control group received aerobic training only. MAIN MEASURES 1-year follow-up of physical activity, body composition, respiratory function and diaphragm function. RESULTS Intervention groups 1 and 2 showed statistically improvements in the difference value compared with control group in terms of 6-min walk distance (-95.28 ± 20.09 and -101.92 ± 34.91 vs -63.58 ± 23.38), forced expiratory volume in 1 s (-0.042 ± 0.027 and -0.130 ± 0.050 vs -0.005 ± 0.068), fat-free mass (-2.11 ± 3.74 and -3.82 ± 3.74vs 0.28 ± 1.49) and chronic obstructive pulmonary disease assessment test value (2.16 ± 0.85 and 2.38 ± 1.02 vs 1.50 ± 0.93). Intervention group 2 showed significant difference in arterial oxygen pressure (-4.46 ± 3.22 vs -1.92 ± 3.45), diaphragm excursion during deep breaths (-0.82 ± 0.74 vs -0.38 ± 0.29), and diaphragm thickness fraction (-8.77 ± 3.22 vs -4.88 ± 2.69) compared with control group. CONCLUSION The combination of aerobic training, resistance training, and external diaphragm pacing obtained significant improvements in physical activity, respiratory function, body composition, arterial oxygen pressure, and diaphragm function in patients with chronic obstructive pulmonary disease. TRIAL REGISTRATION ChiCTR1800020257, www.chictr.org.cn/index.aspx.
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Affiliation(s)
- Yiming Xu
- Department of Respiratory Rehabilitation, the Fourth Rehabilitation Hospital of Shanghai, Shanghai, China
| | - Donghong Yang
- Department of Respiratory Rehabilitation, the Fourth Rehabilitation Hospital of Shanghai, Shanghai, China
| | - Beibei Lu
- Department of Respiratory Rehabilitation, the Fourth Rehabilitation Hospital of Shanghai, Shanghai, China
| | - Yin Zhang
- Department of Respiratory Rehabilitation, the Fourth Rehabilitation Hospital of Shanghai, Shanghai, China
| | - Lei Ren
- Department of Respiratory Rehabilitation, the Fourth Rehabilitation Hospital of Shanghai, Shanghai, China
| | - Honghua Shen
- Department of Respiratory Rehabilitation, the Fourth Rehabilitation Hospital of Shanghai, Shanghai, China
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YEGİN D, OSKAY A, OSKAY T, ENVER DİNÇ S, ŞENOL H, ÖZEN M, ÇAKMAK V, SEYİT M, YILMAZ A, TÜRKÇÜER İ. Emergency ultrasound of respiratory muscles: a promising tool for determining the outcomes of COPD exacerbations. Turk J Med Sci 2023; 53:1001-1011. [PMID: 38031950 PMCID: PMC10760574 DOI: 10.55730/1300-0144.5664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 08/18/2023] [Accepted: 05/25/2023] [Indexed: 12/01/2023] Open
Abstract
BACKGROUND The respiratory muscles of patients with chronic obstructive pulmonary disease (COPD) exhibit structural and functional changes that can be evaluated and monitored by ultrasonography. METHODS This single-center, prospective study was conducted in the emergency department (ED) of a tertiary care hospital over an eight-month period (September 2020-May 2021). Diaphragmatic excursions, end-expiratory thickness, and thickening fractions, as well as right and left intercostal muscle thicknesses, of all adult subjects manifesting COPD exacerbation, were assessed. The data were analyzed regarding ward/intensive care unit (ICU) hospitalization or discharge from the ED, mortality, and readmission within 15 days. RESULTS Sixty-three subjects were recruited for the study. Diaphragmatic excursion, end-expiratory diaphragmatic thickness, and intercostal muscle thickness measurements were significantly different between the ward, ICU, and discharge groups (p < 0.001) but lower in the deceased subjects (all p < 0.05). The diaphragmatic excursion value of 3.25 cm was the threshold value measured for distinguishing discharge from ED, and 1.82 cm was measured for admission to the ICU, both with 100% sensitivity and selectivity (AUC = 1). DISCUSSION Diaphragmatic excursion, diaphragmatic end-expiratory thickness, and right and left intercostal muscle thicknesses vary in the prognosis of subjects presenting with COPD exacerbation.
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Affiliation(s)
- Dinçer YEGİN
- Department of Emergency Medicine, Ardahan State Hospital, Ardahan,
Turkiye
| | - Alten OSKAY
- Department of Emergency Medicine, Faculty of Medicine, Pamukkale University, Denizli,
Turkiye
| | - Tülay OSKAY
- Department of Cardiology, Bucak State Hospital, Burdur,
Turkiye
| | - Selcan ENVER DİNÇ
- Department of Emergency Medicine, Kepez State Hospital, Antalya,
Turkiye
| | - Hande ŞENOL
- Department of Biostatistics, Faculty of Medicine, Pamukkale University, Denizli,
Turkiye
| | - Mert ÖZEN
- Department of Emergency Medicine, Faculty of Medicine, Pamukkale University, Denizli,
Turkiye
| | - Vefa ÇAKMAK
- Department of Radiology, Faculty of Medicine, Pamukkale University, Denizli,
Turkiye
| | - Murat SEYİT
- Department of Emergency Medicine, Faculty of Medicine, Pamukkale University, Denizli,
Turkiye
| | - Atakan YILMAZ
- Department of Emergency Medicine, Faculty of Medicine, Pamukkale University, Denizli,
Turkiye
| | - İbrahim TÜRKÇÜER
- Department of Emergency Medicine, Faculty of Medicine, Pamukkale University, Denizli,
Turkiye
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Shiraishi M, Higashimoto Y, Sugiya R, Mizusawa H, Takeda Y, Noguchi M, Nishiyama O, Yamazaki R, Kudo S, Kimura T, Tohda Y, Matsumoto H. Diaphragm dome height on chest radiography as a predictor of dynamic lung hyperinflation in COPD. ERJ Open Res 2023; 9:00079-2023. [PMID: 37377652 PMCID: PMC10291310 DOI: 10.1183/23120541.00079-2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 05/04/2023] [Indexed: 06/29/2023] Open
Abstract
Background and objective Dynamic lung hyperinflation (DLH) can play a central role in exertional dyspnoea in patients with COPD. Chest radiography is the basic tool for assessing static lung hyperinflation in COPD. However, the predictive capacity of DLH using chest radiography remains unknown. This study was conducted to determine whether DLH can be predicted by measuring the height of the right diaphragm (dome height) on chest radiography. Methods This single-centre, retrospective cohort study included patients with stable COPD with pulmonary function test, cardiopulmonary exercise test, constant load test and pulmonary images. They were divided into two groups according to the median of changes of inspiratory capacity (ΔIC=IC lowest - IC at rest). The right diaphragm dome height and lung height were measured on plain chest radiography. Results Of the 48 patients included, 24 were classified as having higher DLH (ΔIC ≤-0.59 L from rest; -0.59 L, median of all) and 24 as having lower DLH. Dome height correlated with ΔIC (r=0.66, p<0.001). Multivariate analysis revealed that dome height was associated with higher DLH independent of % low attenuation area on chest computed tomography and forced expiratory volume in 1 s (FEV1) % predicted. Furthermore, the area under the receiver operating characteristic curve of dome height to predict higher DLH was 0.86, with sensitivity and specificity of 83% and 75%, respectively, at a cut-off of 20.5 mm. Lung height was unrelated to ΔIC. Conclusion Diaphragm dome height on chest radiography may adequately predict higher DLH in patients with COPD.
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Affiliation(s)
- Masashi Shiraishi
- Department of Rehabilitation Medicine, Kindai University School of Medicine, Osaka, Japan
| | - Yuji Higashimoto
- Department of Rehabilitation Medicine, Kindai University School of Medicine, Osaka, Japan
| | - Ryuji Sugiya
- Department of Rehabilitation Medicine, Kindai University School of Medicine, Osaka, Japan
| | - Hiroki Mizusawa
- Department of Rehabilitation Medicine, Kindai University School of Medicine, Osaka, Japan
| | - Yu Takeda
- Department of Rehabilitation Medicine, Kindai University School of Medicine, Osaka, Japan
| | - Masaya Noguchi
- Department of Rehabilitation Medicine, Kindai University School of Medicine, Osaka, Japan
| | - Osamu Nishiyama
- Department of Respiratory Medicine and Allergology, Kindai University School of Medicine, Osaka, Japan
| | - Ryo Yamazaki
- Department of Respiratory Medicine and Allergology, Kindai University School of Medicine, Osaka, Japan
| | - Shintarou Kudo
- Inclusive Medical Science Research Institute, Morinomiya University of Medical Sciences, Osaka, Japan
| | - Tamotsu Kimura
- Department of Rehabilitation Medicine, Kindai University School of Medicine, Osaka, Japan
| | - Yuji Tohda
- Department of Respiratory Medicine and Allergology, Kindai University School of Medicine, Osaka, Japan
| | - Hisako Matsumoto
- Department of Respiratory Medicine and Allergology, Kindai University School of Medicine, Osaka, Japan
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Sato S, Miyazaki S, Tamaki A, Yoshimura Y, Arai H, Fujiwara D, Katsura H, Kawagoshi A, Kozu R, Maeda K, Ogawa S, Ueki J, Wakabayashi H. Respiratory sarcopenia: A position paper by four professional organizations. Geriatr Gerontol Int 2023; 23:5-15. [PMID: 36479799 DOI: 10.1111/ggi.14519] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/16/2022] [Accepted: 11/20/2022] [Indexed: 12/13/2022]
Abstract
We defined respiratory sarcopenia as a coexistence of respiratory muscle weakness and decreased respiratory muscle mass. Although respiratory muscle function is indispensable for life support, its evaluation has not been included in the regular assessment of respiratory function or adequately evaluated in clinical practice. Considering this situation, we prepared a position paper outlining basic knowledge, diagnostic and assessment methods, mechanisms, involvement in respiratory diseases, intervention and treatment methods, and future perspectives on respiratory sarcopenia, and summarized the current consensus on respiratory sarcopenia. Respiratory sarcopenia is diagnosed when respiratory muscle weakness and decreased respiratory muscle mass are observed. If respiratory muscle mass is difficult to measure, we can use appendicular skeletal muscle mass as a surrogate. Probable respiratory sarcopenia is defined when respiratory muscle weakness and decreased appendicular skeletal muscle mass are observed. If only respiratory muscle strength is decreased without a decrease in respiratory function, the patient is diagnosed with possible respiratory sarcopenia. Respiratory muscle strength is assessed using maximum inspiratory pressure and maximum expiratory pressure. Ultrasonography and computed tomography are commonly used to assess respiratory muscle mass; however, there are insufficient data to propose the cutoff values for defining decreased respiratory muscle mass. It was jointly prepared by the representative authors and authorized by the Japanese Society for Respiratory Care and Rehabilitation, Japanese Association on Sarcopenia and Frailty, Japanese Society of Respiratory Physical Therapy and Japanese Association of Rehabilitation Nutrition. Geriatr Gerontol Int 2023; 23: 5-15.
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Affiliation(s)
- Susumu Sato
- Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | | | - Akira Tamaki
- Department of Physical Therapy, School of Rehabilitation, Hyogo Medical University, Kobe, Japan
| | - Yoshihiro Yoshimura
- Center for Sarcopenia and Malnutrition Research, Kumamoto Rehabilitation Hospital, Kumamoto, Japan
| | - Hidenori Arai
- National Center for Geriatrics and Gerontology, Obu, Japan
| | - Dai Fujiwara
- Department of Rehabilitation Medicine, Saka General Hospital, Miyagi, Japan
| | - Hideki Katsura
- Department of Respiratory Medicine, Tokyo Women's Medical University, Tokyo, Japan
| | | | - Ryo Kozu
- Department of Physical Therapy Science, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Keisuke Maeda
- Department of Geriatric Medicine, Hospital, National Center for Geriatrics and Gerontology, Obu, Japan
| | - Sumito Ogawa
- Department of Geriatric Medicine, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - Jun Ueki
- Clinical Research Unit of Respiratory Pathophysiology, Graduate School of Health Care and Nursing, Juntendo University, Chiba, Japan
| | - Hidetaka Wakabayashi
- Department of Rehabilitation Medicine, Tokyo Women's Medical University Hospital, Tokyo, Japan
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Cao Y, Li P, Wang Y, Liu X, Wu W. Diaphragm Dysfunction and Rehabilitation Strategy in Patients With Chronic Obstructive Pulmonary Disease. Front Physiol 2022; 13:872277. [PMID: 35586711 PMCID: PMC9108326 DOI: 10.3389/fphys.2022.872277] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 04/18/2022] [Indexed: 12/03/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) affects the whole body and causes many extrapulmonary adverse effects, amongst which diaphragm dysfunction is one of the prominent manifestations. Diaphragm dysfunction in patients with COPD is manifested as structural changes, such as diaphragm atrophy, single-fibre dysfunction, sarcomere injury and fibre type transformation, and functional changes such as muscle strength decline, endurance change, diaphragm fatigue, decreased diaphragm mobility, etc. Diaphragm dysfunction directly affects the respiratory efficiency of patients and is one of the important pathological mechanisms leading to progressive exacerbation of COPD and respiratory failure, which is closely related to disease mortality. At present, the possible mechanisms of diaphragm dysfunction in patients with COPD include systemic inflammation, oxidative stress, hyperinflation, chronic hypoxia and malnutrition. However, the specific mechanism of diaphragm dysfunction in COPD is still unclear, which, to some extent, increases the difficulty of treatment and rehabilitation. Therefore, on the basis of the review of changes in the structure and function of COPD diaphragm, the potential mechanism of diaphragm dysfunction in COPD was discussed, the current effective rehabilitation methods were also summarised in this paper. In order to provide direction reference and new ideas for the mechanism research and rehabilitation treatment of diaphragm dysfunction in COPD.
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Affiliation(s)
- Yuanyuan Cao
- Department of Sports Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Peijun Li
- Department of Sports Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Yingqi Wang
- Department of Sports Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Xiaodan Liu
- School of Rehabilitation Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Xiaodan Liu, ; Weibing Wu,
| | - Weibing Wu
- Department of Sports Rehabilitation, Shanghai University of Sport, Shanghai, China
- *Correspondence: Xiaodan Liu, ; Weibing Wu,
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