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M Y, Dave AK, Patel SS, Parbat R, Shah V, Gandhi R. Association Between Sarcopenia and Chronic Renal Failure (Overt and Concealed) in Chronic Obstructive Pulmonary Disease (COPD) Patients: A Cross-Sectional Study. Cureus 2023; 15:e46870. [PMID: 37954830 PMCID: PMC10638108 DOI: 10.7759/cureus.46870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/11/2023] [Indexed: 11/14/2023] Open
Abstract
Background Sarcopenia, a syndrome characterized by a progressive decline in skeletal muscle mass, strength, and function, is frequently associated with chronic diseases such as chronic obstructive pulmonary disease (COPD). Chronic kidney disease (CKD) is a prevalent condition among patients with sarcopenia. Reports suggest that between 15% and 55% of stable COPD patients have sarcopenia. Therefore, the present study aims to determine the association between sarcopenia and chronic renal failure (overt and concealed) in COPD patients. Methodology This institutional-based cross-sectional study was conducted on patients diagnosed with COPD. Hospitalized adult COPD patients who gave consent were included. Sociodemographic information such as age, gender, residence, and prolonged length of stay in the hospital (categorized by a median of 10 days, considering its data distribution in our sample) was obtained using electronic medical records. Skeletal muscle %, visceral fat %, and body fat % were calculated using a bio-electrical impedance analysis device (Omron Body Composition Monitor, Model HBF-702T). Additionally, the strength of the hand grip was measured using a hand dynamometer. Sarcopenia was assessed following the criteria set by the Asian Working Group on Sarcopenia (AWGS). Chronic renal failure (CRF) was assessed by calculating the glomerular filtration rate (GFR) using the Modification of Diet in Renal Disease (MDRD) Study Group equation. Quantitative data were compared using an independent sample t-test. The association was determined using chi-square and multivariate logistic regression analyses. A p-value of <0.05 was considered significant. Results The study found that the proportion of sarcopenia in COPD patients was 52%, with overt and concealed CRF prevalence rates of 31.5% and 27%, respectively. Sarcopenic individuals had significantly lower FEV1 and FEV1/FVC compared to non-sarcopenic patients. The incidence of sarcopenia significantly increased with rising BODE index (body mass index (BMI, B), airflow obstruction (O) as measured by the post-bronchodilator FEV1 (percentage of predicted value), dyspnea (D) assessed by the modified Medical Research Council (MMRC) score, and exercise tolerance (E) measured by 6-minute walking distance) and mMRC (modified Medical Research Council dyspnea scale) dyspnea scale scores. Both concealed CRF and overt CRF patients had four times higher odds of having sarcopenia (AOR=4). Conclusion The study reveals a high prevalence of sarcopenia and provides evidence for the association between sarcopenia and chronic renal failure in COPD patients. These findings underscore the importance of early detection and management of sarcopenia and CRF in COPD patients to optimize their clinical outcomes.
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Affiliation(s)
- Yogesh M
- Community Medicine, Shri M. P. Shah Government Medical College, Jamnagar, IND
| | - Anjali K Dave
- Community Medicine, Shri M. P. Shah Government Medical College, Jamnagar, IND
| | - Shubham S Patel
- Community Medicine, Shri M. P. Shah Government Medical College, Jamnagar, IND
| | - Ram Parbat
- Community and Family Medicine, Shri M. P. Shah Government Medical College, Jamnagar, IND
| | - Viral Shah
- Community and Family Medicine, Shri M. P. Shah Government Medical College, Jamnagar, IND
| | - Rohankumar Gandhi
- Community and Family Medicine, Shri M. P. Shah Government Medical College, Jamnagar, IND
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Formiga MF, Dosbaba F, Hartman M, Batalik L, Senkyr V, Radkovcova I, Richter S, Brat K, Cahalin LP. Role of the Inspiratory Muscles on Functional Performance From Critical Care to Hospital Discharge and Beyond in Patients With COVID-19. Phys Ther 2023; 103:pzad051. [PMID: 37247250 DOI: 10.1093/ptj/pzad051] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 01/04/2023] [Accepted: 02/19/2023] [Indexed: 05/31/2023]
Abstract
OBJECTIVE The role of inspiratory muscle performance in functional performance in patients with coronavirus disease 2019 (COVID-19) is poorly understood. The purpose of this study was to perform a longitudinal examination of inspiratory and functional performance from intensive care unit (ICU) discharge (ICUD) to hospital discharge (HD) and symptoms at HD and 1 month after HD in patients with COVID-19. METHODS Thirty patients (19 men, 11 women) with COVID-19 were included. Examination of inspiratory muscle performance at ICUD and HD was performed with an electronic manometer, which provided the maximal inspiratory pressure (MIP) and several other inspiratory measures. Examination of dyspnea and functional performance was performed at ICUD and HD with the Modified Borg Dyspnea Scale and the 1-minute sit-to-stand test (1MSST), respectively. RESULTS The mean age was 71 (SD = 11) years, the mean length of ICU stay was 9 (SD = 6) days, and the mean length of hospital stay was 26 (SD = 16) days. Most of the patients were diagnosed with severe COVID-19 (76.7%) and had a mean Charlson Comorbidity Index of 4.4 (SD = 1.9), reflecting high comorbidity. The mean MIP of the entire cohort increased minimally from ICUD to HD (from 36 [SD = 21] to 40 [SD = 20] cm H2O), reflecting predicted values for men and women at ICUD and HD of 46 (25%) to 51 (23%) and 37 (24%) to 37 (20%), respectively. The 1MSTS score increased significantly from ICUD to HD (9.9 [SD = 7.1] vs 17.7 [SD = 11.1]) for the entire cohort but remained far below population-based reference values (2.5th percentile) for the majority of patients at ICUD and HD. At ICUD, MIP was found to be a significant predictor of a favorable change in 1MSTS performance (β = 0.308; odds ratio = 1.36) at HD. CONCLUSION A significant reduction in inspiratory and functional performance exists in patients with COVID-19 at both ICUD and HD, with a greater MIP at ICUD being a significant predictor of a greater 1MSTS score at HD. IMPACT This study shows that inspiratory muscle training may be an important adjunct after COVID-19.
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Affiliation(s)
- Magno F Formiga
- Programa Pós-Graduação em Fisioterapia e Funcionalidade, Faculdade de Medicina, Universidade Federal do Ceará, Fortaleza, Ceará, Brazil
| | - Filip Dosbaba
- Department of Rehabilitation, University Hospital Brno, Brno, South Moravia, Czech Republic
| | - Martin Hartman
- Department of Rehabilitation, University Hospital Brno, Brno, South Moravia, Czech Republic
- Department of Rehabilitation and Sports Medicine, 2nd Faculty of Medicine, Charles University, University Hospital Motol, Prague, Czech Republic
| | - Ladislav Batalik
- Department of Rehabilitation, University Hospital Brno, Brno, South Moravia, Czech Republic
- Department of Public Health, Faculty of Medicine, Masaryk University Brno, Brno, South Moravia, Czech Republic
| | - Vojtech Senkyr
- Department of Rehabilitation, University Hospital Brno, Brno, South Moravia, Czech Republic
| | - Ivana Radkovcova
- Department of Rehabilitation, University Hospital Brno, Brno, South Moravia, Czech Republic
| | - Svatopluk Richter
- Department of Radiology and Nuclear Medicine, University Hospital Brno, Brno, South Moravia, Czech Republic
| | - Kristian Brat
- Department of Respiratory Diseases, University Hospital Brno, Brno South Moravia, Czech Republic
| | - Lawrence P Cahalin
- Department of Physical Therapy, University of Miami Miller School of Medicine, Coral Gables, Florida, USA
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Dosbaba F, Hartman M, Batalik L, Senkyr V, Radkovcova I, Richter S, Brat K, Cahalin LP, Formiga MF. A comprehensive examination of inspiratory muscle performance from the intensive care unit to hospital discharge in patients with COVID-19. Heart Lung 2023; 60:95-101. [PMID: 36934476 PMCID: PMC10008810 DOI: 10.1016/j.hrtlng.2023.03.007] [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: 07/01/2022] [Revised: 03/06/2023] [Accepted: 03/10/2023] [Indexed: 03/14/2023]
Abstract
BACKGROUND The two most common symptoms associated with COVID-19 are dyspnea and fatigue. One possible cause of such symptoms may be inspiratory muscle weakness. OBJECTIVES The purpose of this study was to examine inspiratory muscle performance (IMP) from intensive care unit discharge (ICUD) to hospital discharge (HD) in patients with COVID-19 hypothesizing that IMP would be markedly depressed at both ICUD and HD. METHODS IMP was examined at ICUD and HD via the PrO2 device (PrO2 Health, Smithfield, RI) which provided the maximal inspiratory pressure (MIP), sustained MIP (SMIP), inspiratory duration (ID), and fatigue index test (FIT). Patient symptoms were assessed at ICUD, HD, and 1-month post-HD. RESULTS 30 patients (19 men, 11 women) with COVID-19 were included. The mean±SD age, BMI, and length of ICU and hospital stay was 71±11 yrs, 27.9 ± 6.3 kg/m, 9 ± 6 days, and 26±16 days, respectively. The mean±SD MIP, SMIP, ID, and FIT of the entire cohort at ICUD vs HD were 36±21 vs 40±20 cm H2O, 231±157 vs 297±182 PTU, 8.8 ± 4.2 vs 9.5 ± 4.6 s, and 9.0 ± 9.4 vs 13.1 ± 12.3, respectively, with only SMIP and FIT significantly greater at HD (p=.006 and 0.03, respectively). SMIP at HD was significantly related to resting dyspnea at HD (r=-0.40; p=.02). The SMIP and FIT of men were found to increase significantly from ICUD to HD, but no measure of IMP in the women increased significantly from ICUD to HD. At least one COVID-19-related symptom was present 1 month after HD with the most persistent symptoms being fatigue, cough, and dyspnea in 47%, 40%, and 37% of the patients, respectively. CONCLUSIONS A significant reduction in IMP exists in patients with COVID-19 at both ICUD and HD and no measure of IMP in women was observed to increase significantly from ICUD to HD. Impaired inspiratory muscle endurance rather than strength was associated with greater dyspnea at HD.
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Affiliation(s)
- Filip Dosbaba
- Department of Rehabilitation, University Hospital Brno, Brno 62500, Czech Republic.
| | - Martin Hartman
- Department of Rehabilitation, University Hospital Brno, Brno 62500, Czech Republic; Department of Rehabilitation and Sports Medicine, 2nd Faculty of Medicine, Charles University, University Hospital Motol, Prague, Czech Republic
| | - Ladislav Batalik
- Department of Rehabilitation, University Hospital Brno, Brno 62500, Czech Republic; Department of Public Health, Faculty of Medicine, Masaryk University Brno, Brno 62500, Czech Republic
| | - Vojtech Senkyr
- Department of Rehabilitation, University Hospital Brno, Brno 62500, Czech Republic
| | - Ivana Radkovcova
- Department of Rehabilitation, University Hospital Brno, Brno 62500, Czech Republic
| | - Svatopluk Richter
- Department of Radiology and Nuclear Medicine, University Hospital Brno, Brno 62500, Czech Republic
| | - Kristian Brat
- Department of Respiratory Diseases, University Hospital Brno, Brno 62500, Czech Republic
| | - Lawrence P Cahalin
- Department of Physical Therapy, University of Miami Miller School of Medicine, Coral Gables, FL, United States
| | - Magno F Formiga
- Faculdade de Medicina, Departamento de Fisioterapia, Universidade Federal do Ceará, Fortaleza, Ceará, Brazil.
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Choi HE, Min EH, Kim HK, Kim HJ, Jang HJ. Peak oxygen uptake and respiratory muscle performance in patients with chronic obstructive pulmonary disease: Clinical findings and implications. Medicine (Baltimore) 2022; 101:e31244. [PMID: 36281098 PMCID: PMC9592275 DOI: 10.1097/md.0000000000031244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The maximal oxygen uptake (VO2max) is the gold standard measure of aerobic exercise capacity and is an important outcome measure in patients with chronic obstructive pulmonary disease (COPD). And respiratory muscle performance is also an important functional parameter for COPD patients. In addition to the traditional respiratory muscle strength test, the Test of Incremental Respiratory Endurance has recently been introduced and validated in patients with COPD. However, the relationship between VO2 and respiratory muscle performance in COPD is not well understood. Therefore, this study investigated the correlations among VO2 and respiratory muscle performance and other functional markers in COPD. A total of 32 patients with COPD were enrolled. All study participants underwent the following assessments: cardiopulmonary exercise test, pulmonary function test, respiratory muscle strength test, peripheral muscle strength test, and bioelectrical impedance analysis. When comparing VO2peak and respiratory muscle parameters, the sustained maximal inspiratory pressure (SMIP) was the only factor with a significant relationship with VO2peak. Among other functional parameters, the forced expiratory volume in one second (FEV1) showed the strongest correlation with VO2peak. It was followed by phase angle values of lower limbs, leg extension peak torque, age, and total skeletal muscle mass. When comparing respiratory muscle performance with other functional parameters, the SMIP showed the strongest correlation with hand grip strength, followed by peak cough flow, forced vital capacity, maximal inspiratory pressure, and FEV1. The results showed that the SMIP was more significantly correlated with VO2peak than the static measurement of respiratory muscle strength. This suggests that TIRE may be a useful assessment tool for patients with COPD. Additionally, FEV1 and other functional markers were significantly correlated with VO2peak, suggesting that various parameters may be used to evaluate aerobic power indirectly.
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Affiliation(s)
- Hee-Eun Choi
- Department of Physical Medicine and Rehabilitation, Inje University Haeundae Paik Hospital, Busan, Korea
| | - Eun-Ho Min
- Department of Physical Medicine and Rehabilitation, Inje University Haeundae Paik Hospital, Busan, Korea
- *Correspondence: Eun-Ho Min, Department of Physical Medicine and Rehabilitation, Inje University Haeundae Paik Hospital, 875, Haeun-daero, Haeundae-gu, Busan, Korea (e-mail: )
| | - Hyun-Kuk Kim
- Department of Internal Medicine, Inje University Haeundae Paik Hospital, Busan, Korea
| | - Hyo-Jung Kim
- Department of Internal Medicine, Inje University Haeundae Paik Hospital, Busan, Korea
| | - Hang-Jea Jang
- Department of Internal Medicine, Inje University Haeundae Paik Hospital, Busan, Korea
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Bamonti PM, Robinson SA, Wan ES, Moy ML. Improving Physiological, Physical, and Psychological Health Outcomes: A Narrative Review in US Veterans with COPD. Int J Chron Obstruct Pulmon Dis 2022; 17:1269-1283. [PMID: 35677347 PMCID: PMC9167842 DOI: 10.2147/copd.s339323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 05/19/2022] [Indexed: 11/23/2022] Open
Abstract
The Veterans Health Administration (VHA) is the largest integrated healthcare system in the United States (US) providing healthcare to an increasing number of middle-aged and older adults who remain at greater risk for chronic obstructive pulmonary disease (COPD) compared to their civilian counterparts. The VHA has obligated research funds, drafted clinical guidelines, and built programmatic infrastructure to support the diagnosis, treatment, and care management of Veterans with COPD. Despite these efforts, COPD remains a leading cause of morbidity and mortality in Veterans. This paper provides a narrative review of research conducted with US Veteran samples targeting improvement in COPD outcomes. We review key physiological, physical, and psychological health outcomes and intervention research that included US Veteran samples. We conclude with a discussion of directions for future research to continue advancing the treatment of COPD in Veterans and inform advancements in COPD research within and outside the VHA.
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Affiliation(s)
- Patricia M Bamonti
- Research & Development, VA Boston Healthcare System, Boston, MA, USA
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Stephanie A Robinson
- Center for Healthcare Organization and Implementation Research, VA Bedford Healthcare System, Bedford, MA, USA
- The Pulmonary Center, Boston University School of Medicine, Boston, MA, USA
| | - Emily S Wan
- Research & Development, VA Boston Healthcare System, Boston, MA, USA
- Pulmonary and Critical Care Medicine Section, VA Boston Healthcare System, Boston, MA, USA
- Channing Division of Network Medicine, Brigham and Women’s Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Marilyn L Moy
- Research & Development, VA Boston Healthcare System, Boston, MA, USA
- Pulmonary and Critical Care Medicine Section, VA Boston Healthcare System, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
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McCreery JL, Mackintosh KA, Mills-Bennett R, McNarry MA. The Effect of a High-Intensity PrO2Fit Inspiratory Muscle Training Intervention on Physiological and Psychological Health in Adults with Bronchiectasis: A Mixed-Methods Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18063051. [PMID: 33809595 PMCID: PMC8001489 DOI: 10.3390/ijerph18063051] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/10/2021] [Accepted: 03/12/2021] [Indexed: 01/05/2023]
Abstract
Bronchiectasis is characterised by airflow obstruction and hyperinflation resulting in respiratory muscle weakness, and decreased exercise capacity. Inspiratory muscle training (IMT) is potentially an alternative treatment strategy to enhance respiratory muscle strength and endurance. Therefore, the aim was to investigate the effects of IMT on those with bronchiectasis. Eighteen participants (10 bronchiectasis) took part in an eight-week, three times a week IMT programme at 80% sustained maximal inspiratory pressure (SMIP). Lung function, respiratory muscle strength and endurance, exercise capacity, physical activity and self-determination theory measures were taken. Participants also took part in a semi-structured interview to assess their perceptions and experience of an IMT intervention. After eight weeks of IMT, bronchiectasis and healthy participants exhibited significant increases in MIP (27% vs. 32%, respectively), SMIP (16% vs. 17%, respectively) and inspiratory duration (36% vs. 30%, respectively). Healthy participants exhibited further improvements in peak expiratory flow and maximal oxygen consumption. Bronchiectasis participants reported high levels of perceived competence and motivation, reporting higher adherence and improved physical ability. Eight weeks of IMT increased inspiratory muscle strength and endurance in those with bronchiectasis. IMT also had a positive effect on perceived competency and autonomy, with bronchiectasis participants reporting improved physical ability and motivation, and high adherence.
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Affiliation(s)
- Jessica L McCreery
- Applied Sports, Technology, Exercise and Medicine Research Centre, College of Engineering, Swansea University, Swansea SA18EN, UK
| | - Kelly A Mackintosh
- Applied Sports, Technology, Exercise and Medicine Research Centre, College of Engineering, Swansea University, Swansea SA18EN, UK
| | - Rebekah Mills-Bennett
- Physiotherapy Department, Glangwili Hospital, Dogwili Rd Carmarthen, Carmarthen SA312AF, UK
| | - Melitta A McNarry
- Applied Sports, Technology, Exercise and Medicine Research Centre, College of Engineering, Swansea University, Swansea SA18EN, UK
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Wendpap CDR, Santos TDD, Lüdke E, Pasqualoto AS, Silveira AFD, Albuquerque IMD. Health status can predict diaphragmatic muscle thickness in COPD: pilot study. FISIOTERAPIA EM MOVIMENTO 2021. [DOI: 10.1590/fm.2021.34124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Abstract Introduction: Among the systemic implications of chronic obstructive pulmonary disease (COPD) there are changes in the diaphragm and impact on health status. However, there are few studies on the possible relationship between these variables, and whether health status could predict diaphragmatic muscle thickness (DMT). Objective: To investigate whether there is a relationship between DMT and the prognostic mortality index Body Mass-Index, Airway Obstruction, Dyspnea and Exercise Capacity (BODE), dyspnea and health status, and to investigate whether health status can predict DMT in patients with COPD entering a pulmonary rehabilitation program. Methods: This is a pilot study with a cross-sectional design. Diaphragmatic muscle thickness was evaluated using ultrasound; health status through the COPD Assessment Test (CAT); the sensation of dyspnea by the modified Medical Research Council scale; and mortality, using the BODE index. Results: The sample consisted of 13 patients (68.69 ± 9.3 years) classified as having moderate to severe COPD. There was a strong and inverse correlation between diaphragmatic muscle thickness and health status (r = -0.735; p = 0.004). Simple regression analysis demonstrated that health status influenced diaphragmatic muscle thickness (β = -0.002; IC 95% - 0.004 to -0.001; p = 0.004), explaining 49% of the variance. However, no correlations were observed between diaphragmatic muscle thickness with dyspnea (r = 0.005; p = 0.985) or with the BODE mortality index (r = -0.219; p = 0.472). Conclusion: This pilot study demonstrated a strong inverse correlation between health status and DMT. In addition, health status was able to predict DMT in patients with COPD.
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Contoli M, Morandi L, Di Marco F, Carone M. A perspective for chronic obstructive pulmonary disease (COPD) management: six key clinical questions to improve disease treatment. Expert Opin Pharmacother 2020; 22:427-437. [PMID: 33021128 DOI: 10.1080/14656566.2020.1828352] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
INTRODUCTION In 2011, the GOLD recommendations for the treatment of Chronic Obstructive Pulmonary Disease (COPD) introduced new clinical elements to classify the severity of the disease and to guide pharmacological choice. For the first time in the GOLD documents, treatment decision was no longer guided only by pulmonary function, but by a more complex combination of pulmonary function and clinical aspects. The recent versions of the GOLD recommendations introduce new aspects for the clinicians and pose new question for the management of the disease. In addition, inflammatory biomarkers and blood eosinophil levels, have been considered to guide treatment selection. AREA COVERED The evolution of disease management proposed by the GOLD document opens several areas of debate. A series of roundtable discussions among respiratory physicians took place in Italy to address key clinical questions. Particularly, the role of lung function and the use of biomarkers, the adherence to international guidelines and the possibility to personalize the pharmacological approach in COPD patients have been discussed, summarized and analyzed. EXPERT OPINION The authors believe that the development of a precision medicine approach tailoring the specific treatment for each patient is the goal of COPD management and may be achieved by considering the phenotypic classification of COPD patients.
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Affiliation(s)
- Marco Contoli
- Department of Morphology, Surgery and Experimental Medicine, Università Di Ferrara, Ferrara, Italy
| | - Luca Morandi
- Department of Morphology, Surgery and Experimental Medicine, Università Di Ferrara, Ferrara, Italy
| | - Fabiano Di Marco
- Department of Health Science, Università degli studi di Milano, Respiratory Unit, ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Mauro Carone
- Division of Pneumology, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy
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Formiga MF, Dosbaba F, Hartman M, Batalik L, Plutinsky M, Brat K, Ludka O, Cahalin LP. Novel versus Traditional Inspiratory Muscle Training Regimens as Home-Based, Stand-Alone Therapies in COPD: Protocol for a Randomized Controlled Trial. Int J Chron Obstruct Pulmon Dis 2020; 15:2147-2155. [PMID: 32982207 PMCID: PMC7494397 DOI: 10.2147/copd.s266234] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 08/11/2020] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Subjects with COPD frequently develop considerable weakness and deconditioning of the inspiratory musculature, which can be corrected with inspiratory muscle training (IMT). While rehabilitation centers may be able to provide IMT as part of the rather complex management of COPD, there is currently a lack of rehabilitation services in the Czech Republic. Remote IMT may then benefit subjects with COPD who are unable to attend or do not have access to rehabilitation programs. We aim at evaluating the utility of the test of incremental respiratory endurance (TIRE) as an at-home IMT method in subjects with COPD, while comparing the effectiveness of this novel training approach to the outcomes of traditional, threshold loading IMT protocols. METHODS/DESIGN This prospective, randomized controlled trial will comprise 8 weeks of at-home IMT sessions with remote supervision followed by 4 months of unsupervised, independent IMT. Eligible subjects will be randomly assigned to one of the following three distinct home-based IMT protocols: (1) TIRE, (2) Threshold loading, and (3) Sham training. Subjects allocated to the TIRE group will train once daily using an advanced IMT electronic system (PrO2), while the other two groups will receive threshold devices. Study outcomes will include measures of inspiratory muscle strength and endurance, pulmonary function, COPD-specific symptomatology, functional exercise capacity, surrogate markers of mortality risk, mental health status and health-related quality of life. DISCUSSION While we acknowledge the value of threshold loading IMT protocols, we believe that the TIRE training method has the potential to provide additional clinical benefits in COPD given its sophisticated remote tracking system and ability to modulate all aspects of muscular performance, including not only strength but also endurance, power and work capacity, allowing users to achieve considerably higher inspiratory pressures throughout the full range of inspiration when compared to other more traditionally used IMT methods.
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Affiliation(s)
- Magno F Formiga
- Departamento de Fisioterapia, Universidade Estadual da Paraíba, Campina Grande, PB, Brazil
| | - Filip Dosbaba
- Department of Rehabilitation, University Hospital Brno, Brno, Czech Republic
- Correspondence: Filip Dosbaba; Ladislav Batalik Department of Rehabilitation, University Hospital Brno, Jihlavska 20, Brno62500, Czech Republic Email ;
| | - Martin Hartman
- Department of Rehabilitation, University Hospital Brno, Brno, Czech Republic
| | - Ladislav Batalik
- Department of Rehabilitation, University Hospital Brno, Brno, Czech Republic
| | - Marek Plutinsky
- Department of Respiratory Diseases, University Hospital Brno, Brno, Czech Republic
- Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Kristian Brat
- Department of Respiratory Diseases, University Hospital Brno, Brno, Czech Republic
- Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Ondrej Ludka
- Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Lawrence P Cahalin
- Department of Physical Therapy, University of Miami – Miller School of Medicine, Coral Gables, FL, USA
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