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Boon AJ, Meiling JB, Luetmer MT, Klein CJ, Sorenson EJ, Harper CM, Beecher G. Paradoxical thinning of the diaphragm on ultrasound is a risk factor for requiring non-invasive ventilation in patients with neuromuscular diaphragmatic dysfunction. Muscle Nerve 2024; 70:352-359. [PMID: 38935447 DOI: 10.1002/mus.28194] [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: 10/26/2023] [Revised: 05/31/2024] [Accepted: 06/12/2024] [Indexed: 06/29/2024]
Abstract
INTRODUCTION/AIMS Point-of-care ultrasound of the diaphragm is highly sensitive and specific in the detection of neuromuscular diaphragmatic dysfunction. In some patients with neuromuscular diaphragmatic dysfunction, paradoxical thinning of the diaphragm during inspiration is observed on ultrasound; however, its frequency, electrodiagnostic associations, and prognostic significance remain uncertain. METHODS Medical records of patients presenting to two electrodiagnostic laboratories (Mayo Clinic, Rochester, Minnesota and University of Alberta, Edmonton, Alberta) from January 1, 2022 to December 31, 2022, for evaluation of suspected neuromuscular respiratory failure, were reviewed. RESULTS 214 patients were referred and 19 patients excluded due to incomplete information. Of 195 patients (384 hemidiaphragms), 104 had phrenic neuropathy, 12 had myopathy, and 79 had no evidence of neuromuscular disease affecting the diaphragm. Paradoxical thinning occurred in 31 (27%) patients with neuromuscular diaphragmatic dysfunction and was unilateral in 30, the majority (83%) having normal contralateral ultrasound. Phrenic nerve conduction studies and diaphragm electromyography results did not distinguish patients with paradoxical thinning versus without. Most patients (71%) with paradoxical thinning required non-invasive ventilation (NIV), including 16 with unilateral paradoxical thinning. Paradoxical thinning and BMI ≥30 kg/m2 were risk factors for requiring NIV in multivariable logistic regression analysis, with odds ratios of 2.887 (95% CI:1.166, 7.151) and 2.561 (95% CI: 1.186, 5.532), respectively. DISCUSSION Paradoxical thinning of the diaphragm occurs in patients with prominent neuromuscular diaphragmatic dysfunction, most commonly from phrenic neuropathy, and is a significant risk factor for requiring NIV. Unilateral paradoxical thinning is sufficient for needing NIV. BMI ≥30 kg/m2 additionally increases risk of requiring NIV in patients with neuromuscular diaphragmatic dysfunction.
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Affiliation(s)
- Andrea J Boon
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
- Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA
| | - James B Meiling
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
- Department of Neurology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Marianne T Luetmer
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Eric J Sorenson
- Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA
| | - C Michel Harper
- Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA
| | - Grayson Beecher
- Division of Neurology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
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Hii EYX, Kuo YL, Cheng KC, Hung CH, Tsai YJ. Ultrasonographic measurement indicated patients with chronic neck pain had reduced diaphragm thickness and mobility along with declined respiratory functions. Musculoskelet Sci Pract 2024; 72:102951. [PMID: 38615408 DOI: 10.1016/j.msksp.2024.102951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 03/29/2024] [Accepted: 04/01/2024] [Indexed: 04/16/2024]
Abstract
BACKGROUND Chronic neck pain (CNP) is a prevalent musculoskeletal condition including notable impairments in respiratory function. The diaphragm, serving dual roles in respiration and spinal stability, is intricately linked to the cervical spine through fascial, neurophysiological, and biomechanical connections. However, to date, none has investigated the diaphragm function in patients with CNP. OBJECTIVES To investigate the diaphragm function, respiratory muscle strength, and pulmonary function in patients with CNP. In addition, their associations were also examined. DESIGN A case-control study. METHODS A total of 54 participants were recruited including 25 patients with CNP (CNP group) and 29 healthy adults (CON group). Pulmonary function including forced vital capacity (FVC) and forced expiratory volume in 1 s (FEV1), and respiratory muscle strength represented by maximal inspiratory (MIP) and maximal expiratory pressure (MEP), as well as diaphragm function including ultrasonographic measures of mobility and thickness changes during maximal inspiration and expiration were assessed in all participants. Additionally, the intensity of pain and disability were evaluated using a Visual Analog Scale and Neck Disability Index only in patients with CNP. RESULTS Significant reductions of the FVC, FEV1, MIP, and MEP were found in the CNP group compared to the CON group (p < 0.05). The diaphragm mobility and thickness changes were also significantly decreased in the CNP group than the CON group with medium effect sizes (p < 0.05). Only diaphragm thickness change was positively correlated with FVC, FEV1, and MEP in patients with CNP. Furthermore, MEP showed the strongest contribution to diaphragm thickness change based on the regression analysis. CONCLUSIONS Impaired diaphragm function, respiratory muscle strength, and pulmonary function were observed in patients with CNP. Patients with smaller diaphragm thickness change had poorer pulmonary function and reduced maximal expiratory muscle strength. Diaphragm assessment and intervention may be considered in CNP management.
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Affiliation(s)
- Everlynn Yi-Xuan Hii
- Department of Physiotherapy, Faculty of Health and Life Science, INTI International University, Persiaran Perdana BBN, Putra Nilai, 71800, Nilai, Negeri Sembilan, Malaysia.
| | - Yi-Liang Kuo
- Department of Physical Therapy, College of Medicine, National Cheng Kung University, No. 1 Ta-Hsueh Road, Tainan, 701, Taiwan; Physical Therapy Center, National Cheng Kung University Hospital, No.138, Sheng Li Road, Tainan, 704, Taiwan.
| | - Kai-Chia Cheng
- Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, No. 1 Ta-Hsueh Road, Tainan, 701, Taiwan.
| | - Ching-Hsia Hung
- Department of Physical Therapy, College of Medicine, National Cheng Kung University, No. 1 Ta-Hsueh Road, Tainan, 701, Taiwan; Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, No. 1 Ta-Hsueh Road, Tainan, 701, Taiwan.
| | - Yi-Ju Tsai
- Department of Physical Therapy, College of Medicine, National Cheng Kung University, No. 1 Ta-Hsueh Road, Tainan, 701, Taiwan; Physical Therapy Center, National Cheng Kung University Hospital, No.138, Sheng Li Road, Tainan, 704, Taiwan; Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, No. 1 Ta-Hsueh Road, Tainan, 701, Taiwan.
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Xia Z, Peng C, Fan L, Chen Q, Liu W, Ma T, Chen W, Wen Y, Song Y, Lin H. Investigation of diaphragmatic motion and projected lung area in diaphragm paralysis patients using dynamic chest radiography. Quant Imaging Med Surg 2024; 14:5591-5601. [PMID: 39144031 PMCID: PMC11320492 DOI: 10.21037/qims-24-90] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 06/28/2024] [Indexed: 08/16/2024]
Abstract
Background Dynamic chest radiography (DCR) is a novel and supplementary examination in respiratory diseases. The investigation of other chest diseases using DCR has been explored, identifying a certain correlation of the pulmonary function test (PFT). However, there is a lack of research using DCR parameters to quantitatively evaluate chest disease. The purpose of this study was to investigate the diagnostic value of DCR for diaphragm paralysis (DP). Methods This retrospective study recruited 118 participants, which include 18 patients with DP, 48 healthy volunteers, and 52 patients with respiratory disease. Comparison of DCR parameters relationships among 3 groups was performed using one-way analysis of variance (ANOVA) and Kruskal-Wallis test. The receiver operating characteristic (ROC) curve was used to compare the value of the DCR parameters to diagnose DP. Results The differences of excursion of diaphragm (ED) in normal (nb) and forced breathing (fb), ED(fb)-ED(nb), and the parameters of projected lung area (PLA) in inspiratory (ins) and expiratory phase (exp), PLA.exp(fb), PLA.ins(fb)-PLA.ins(nb), and PLA.exp(fb)-PLA.exp(nb) among the 3 groups were statistically significant. The highest area under the curve (AUC) of right-side parameter was the ED(fb)-ED(nb), for which the AUC was 0.8950 [95% confidence interval (CI): 0.7618-1.000], whereas that of the left-side parameter was ED(fb), for which the AUC was 0.9176 [95% confidence interval (CI): 0.8524-0.9829]. Conclusions The parameters of DCR have good diagnostic value for DP. The highest diagnostic efficiency for DP on the right side is the ED(fb)-ED(nb), with a sensitivity of 95% and a specificity of 78.6%, whereas on the left side is ED(fb), with a sensitivity of 80% and a specificity of 88.2%.
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Affiliation(s)
- Ziyang Xia
- Department of Radiology, National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Chuming Peng
- Department of Radiology, National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Liyuan Fan
- Department of Radiology, National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Qiongzhu Chen
- Department of Radiology, National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Wentao Liu
- Department of Radiology, National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Ting Ma
- Department of Radiology, National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Weicong Chen
- Department of Radiology, National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yaocheng Wen
- Department of Radiology, National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yuquan Song
- Department of Radiology, National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Haibo Lin
- Department of Radiology, National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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Molina-Hernández N, Rodríguez-Sanz D, Chicharro JL, Becerro-de-Bengoa-Vallejo R, Losa-Iglesias ME, Vicente-Campos D, Marugán-Rubio D, Gutiérrez-Torre SE, Calvo-Lobo C. Effectiveness of simultaneous bilateral visual diaphragm biofeedback under low back pain: influence of age and sex. Front Physiol 2024; 15:1407594. [PMID: 39045217 PMCID: PMC11263192 DOI: 10.3389/fphys.2024.1407594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 05/29/2024] [Indexed: 07/25/2024] Open
Abstract
Introduction: The aim of the present study was to determine the effectiveness of simultaneous bilateral visual diaphragm biofeedback (BFB) from ultrasonography in conjunction with inspiratory muscle training (IMT) on diaphragmatic thickness during normal breathing and respiratory and clinical outcomes in patients with non-specific low back pain (NSLBP) and determine the influence of age and sex. Methods: A single-blind randomized clinical trial was carried out (NCT04582812). A total sample of 96 patients with NSLBP was recruited and randomized by sex-based stratification into IMT (n = 48) and BFB + IMT (n = 48) interventions over 8 weeks. Bilateral diaphragmatic thickness at maximum inspiration (Tins) and expiration (Texp), respiratory pressures, lung function, pain intensity, bilateral pressure pain threshold (PPT), disability, and quality of life were measured at baseline and after 8 weeks. Results: The BFB + IMT group showed significant differences (p < 0.05) with increased left hemidiaphragm thickness at Tins and Tins-exp (d = 0.38-053), and right and left PPT (d = 0.71-0.74) versus the IMT group. The interaction with sex was statistically significant (p = 0.007; F(1,81) = 7.756; ηp 2 = 0.087) and higher left hemidiaphragm thickness at Tins was predicted by the BFB + IMT group (R 2 = 0.099; β = 0.050; F(1,82) = 8.997; p = 0.004) and male sex (R 2 = 0.079; β = 0.045; F(1,81) = 7.756;p = 0.007). Furthermore, greater left hemidiaphragm thickness at Tins-exp was predicted by younger age (R 2 = 0.052; β = -0.001; F(1,82) = 4.540; p = 0.036). Discussion: The simultaneous bilateral visual diaphragm biofeedback by ultrasonography in conjunction with IMT was effective in both increasing the left diaphragmatic thickness during inspiration, which was positively influenced and predicted by male sex and younger age, and increasing the bilateral PPT of the paraspinal muscles in patients with NSLBP.
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Affiliation(s)
- Nerea Molina-Hernández
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, Madrid, Spain
| | - David Rodríguez-Sanz
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, Madrid, Spain
| | | | | | | | | | - Daniel Marugán-Rubio
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, Madrid, Spain
- Centro Superior de Estudios Universitarios La Salle, Madrid, Spain
| | | | - César Calvo-Lobo
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, Madrid, Spain
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Mejía Alonso LA, Espinosa-Poblano E, de Regil López S, Lemus Eslava V, Serrano Sánchez JG, Paredes-Manjarrez C, Balderas-Chairéz AT, Anda-Garay JC, Miguel-Puga JA, Jáuregui-Renaud K. Malnutrition contribution to the functional status and health related quality of life after COVID-19, a correlational follow-up study. Sci Rep 2024; 14:15005. [PMID: 38951534 PMCID: PMC11217498 DOI: 10.1038/s41598-024-65698-7] [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: 02/21/2024] [Accepted: 06/24/2024] [Indexed: 07/03/2024] Open
Abstract
To assess malnutrition contribution to the functional status and health related quality of life after hospitalization due to COVID-19 pneumonia, 66 selected adults referred for physical rehabilitation accepted to participate in the study; none of them required oxygen supply or had history of lung/musculoskeletal/neurological/immune/rheumatic disease or trauma, or contraindication for respiratory-function tests. At three evaluations, with 3 months in-between, assessments included: self-report of functional status, the St. George's Respiratory Questionnaire, spirometry, the 6-min-walk-test, the MRC-scale, the 30-s sit-to-stand-test, the timed-up-and-go-test, nutritional status, and ultrasound imaging (vastus medialis and diaphragm). At referral, patients had nutritional deficits with protein deficiency, which gradually improved; while muscle thickness (of both vastus medialis and diaphragm) increased, along with muscle strength and mobility (ANOVA, p < 0.05). Contrarywise, the distance covered during the 6-min-walk-test decreased (ANOVA, p < 0.05), with a negative influence from excess body mass. During rehabilitation, health-related quality of life and functional status improved, with negative influence from a history of tobacco use and referral delay, respectively. After hospitalization due to COVID-19, early diagnosis of both protein deficiency and decrease of skeletal muscle thickness could be relevant for rehabilitation, while pondering the negative impact of excess body mass on submaximal exercise performance.
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Affiliation(s)
- Laura Alejandra Mejía Alonso
- Unidad de Rehabilitación, Hospital de Especialidades del Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico city, Mexico
| | - Eliseo Espinosa-Poblano
- Departamento de Inhaloterapia y Neumología, Hospital de Especialidades del Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico city, México
| | - Sarahi de Regil López
- Departamento de Nutrición y Dieta, Hospital de Especialidades del Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico city, México
| | - Verónica Lemus Eslava
- Departamento de Nutrición y Dieta, Hospital de Especialidades del Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico city, México
| | - Jesús Guadalupe Serrano Sánchez
- Departamento de Nutrición y Dieta, Hospital de Especialidades del Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico city, México
| | - Carlos Paredes-Manjarrez
- Departamento de Imagenología, Hospital de Especialidades del Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico city, México
| | - Andrés Tlacaelel Balderas-Chairéz
- Departamento de Imagenología, Hospital de Especialidades del Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico city, México
| | - Juan Carlos Anda-Garay
- Departamento de Medicina Interna, Hospital de Especialidades del Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico city, México
| | - José Adán Miguel-Puga
- Unidad de Investigación Médica en Otoneurología, Instituto Mexicano del Seguro Social, Mexico city, México
| | - Kathrine Jáuregui-Renaud
- Unidad de Investigación Médica en Otoneurología, Instituto Mexicano del Seguro Social, Mexico city, México.
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Zheng Y, Chen Y, Li Y, Zheng S, Yang S. Diaphragm dysfunction is found in patients with chronic painful temporomandibular disorder: A case-control study. Heliyon 2024; 10:e32872. [PMID: 39022095 PMCID: PMC11253231 DOI: 10.1016/j.heliyon.2024.e32872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 06/06/2024] [Accepted: 06/11/2024] [Indexed: 07/20/2024] Open
Abstract
Aim To determine whether patients with chronic painful temporomandibular disorder (TMD) had abnormal diaphragm function compared to healthy controls and to explore the correlation between diaphragm contractility, psychological status, and pain characteristics. Methods A single-blinded, case-control study was conducted involving 23 chronic painful TMD patients and 22 healthy volunteers. The examination and diagnosis were performed according to the Diagnostic Criteria for Temporomandibular Disorders, and questionnaires were used to evaluate pain, depression, anxiety, and physical symptoms status. B-mode ultrasound was used to measure diaphragm thickness and contractility. The sonographer responsible for measuring the diaphragm was blinded to group membership. Results 1. Depression, anxiety, and physical symptoms scores were significantly higher in the patients than in the controls (p < 0.05). 2. The Interference Score of pain was significantly correlated with depression and physical symptoms (p < 0.01). 3. Bilateral diaphragm contractility was significantly smaller in the patients than in the controls (right: P = 0.003; left: P = 0.001). 3. There was no correlation between diaphragm contractility on the left and right sides in the patients (r = -0.112, P = 0.611), while there was a positive correlation in the control group (r = 0.638, P = 0.001). 4. No correlation was found between the degree of diaphragm contractility, psychological status, and pain scores. Conclusions 1. Patients with chronic painful TMD have worse psychological status, including depression, anxiety, and physical symptoms. 2. Patients with chronic painful TMD have a smaller degree of bilateral diaphragm contractility and more significant left-right incongruity, which indicated that diaphragm dysfunction may be correlated with chronic painful temporomandibular disorder.
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Affiliation(s)
- Yaqing Zheng
- Department of Stomatology, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, 363000, China
- Department of Stomatology, Zhongshan Hospital, Fudan University (Xiamen Branch), Xiamen, 361015, China
| | - Yonghui Chen
- Department of Stomatology, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, 363000, China
| | - Yifeng Li
- Department of Stomatology, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, 363000, China
| | - Sijing Zheng
- Department of Stomatology, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, 363000, China
| | - Shuping Yang
- Department of Ultrasound, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, 363000, China
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Molina-Hernández N, Rodríguez-Sanz D, Chicharro JL, Becerro-de-Bengoa-Vallejo R, Losa-Iglesias ME, Vicente-Campos D, Marugán-Rubio D, Gutiérrez-Torre SE, Calvo-Lobo C. A Secondary Analysis of Gender Respiratory Features for Ultrasonography Bilateral Diaphragm Thickness, Respiratory Pressures, and Pulmonary Function in Low Back Pain. Tomography 2024; 10:880-893. [PMID: 38921944 PMCID: PMC11209459 DOI: 10.3390/tomography10060067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 05/24/2024] [Accepted: 05/31/2024] [Indexed: 06/27/2024] Open
Abstract
The aim of the present study was to determine the gender respiratory differences of bilateral diaphragm thickness, respiratory pressures, and pulmonary function in patients with low back pain (LBP). A sample of 90 participants with nonspecific LBP was recruited and matched paired by sex (45 women and 45 men). Respiratory outcomes included bilateral diaphragm thickness by ultrasonography, respiratory muscle strength by maximum inspiratory (MIP) and expiratory (MEP) pressures, and pulmonary function by forced expiratory volume during 1 s (FEV1), forced vital capacity (FVC) and FEV1/FVC spirometry parameters. The comparison of respiratory outcomes presented significant differences (p < 0.001), with a large effect size (d = 1.26-1.58) showing means differences (95% CI) for MIP of -32.26 (-42.99, -21.53) cm H2O, MEP of -50.66 (-64.08, -37.25) cm H2O, FEV1 of -0.92 (-1.18, -0.65) L, and FVC of -1.00 (-1.32, -0.69) L, with lower values for females versus males. Gender-based respiratory differences were presented for maximum respiratory pressures and pulmonary function in patients with nonspecific LBP. Women presented greater inspiratory and expiratory muscle weakness as well as worse lung function, although these differences were not linked to diaphragm thickness during normal breathing.
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Affiliation(s)
- Nerea Molina-Hernández
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain; (N.M.-H.); (R.B.-d.-B.-V.); (D.M.-R.); (S.E.G.-T.); (C.C.-L.)
| | - David Rodríguez-Sanz
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain; (N.M.-H.); (R.B.-d.-B.-V.); (D.M.-R.); (S.E.G.-T.); (C.C.-L.)
| | | | - Ricardo Becerro-de-Bengoa-Vallejo
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain; (N.M.-H.); (R.B.-d.-B.-V.); (D.M.-R.); (S.E.G.-T.); (C.C.-L.)
| | | | - Davinia Vicente-Campos
- Faculty of Health Sciences, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain;
| | - Daniel Marugán-Rubio
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain; (N.M.-H.); (R.B.-d.-B.-V.); (D.M.-R.); (S.E.G.-T.); (C.C.-L.)
- Centro Superior de Estudios Universitarios La Salle, 28023 Madrid, Spain
| | - Samuel Eloy Gutiérrez-Torre
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain; (N.M.-H.); (R.B.-d.-B.-V.); (D.M.-R.); (S.E.G.-T.); (C.C.-L.)
| | - César Calvo-Lobo
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain; (N.M.-H.); (R.B.-d.-B.-V.); (D.M.-R.); (S.E.G.-T.); (C.C.-L.)
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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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Boussuges A, Fourdrain A, Leone M, Brioude G, Menard A, Zieleskiewicz L, Delliaux S, Gouitaa M, Dutau H, Brégeon F. Diagnosis of hemidiaphragm paralysis: refine ultrasound criteria. Front Med (Lausanne) 2024; 11:1416520. [PMID: 38846144 PMCID: PMC11153810 DOI: 10.3389/fmed.2024.1416520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Accepted: 05/07/2024] [Indexed: 06/09/2024] Open
Abstract
Background Ultrasound has demonstrated its interest in the analysis of diaphragm function in patients with respiratory failure. The criteria used to diagnose hemidiaphragm paralysis are not well defined. Methods The aim of this observational retrospective study was to describe the ultrasound findings in 103 patients with diaphragm paralysis, previously diagnosed by conventional methods after various circumstances such as trauma or surgery. The ultrasound study included the recording of excursions of both diaphragmatic domes and the measurement of inspiratory thickening. Results On paralyzed hemidiaphragm, thickening was less than 20% in all patients during deep inspiration. Thinning was recorded in 53% of cases. In some cases, the recording of the thickening could be difficult. The study of motion during voluntary sniffing reported a paradoxical excursion in all but one patient. During quiet breathing, an absence of movement or a paradoxical displacement was observed. During deep inspiration, a paradoxical motion at the beginning of inspiration followed by a reestablishment of movement in the cranio-caudal direction was seen in 82% of cases. In some patients, there was a lack of movement followed, after an average delay of 0.4 s, by a cranio-caudal excursion. Finally, in 4 patients no displacement was recorded. Evidence of hyperactivity (increased inspiratory thickening and excursion) of contralateral non-paralyzed hemidiaphragm was observed. Conclusion To accurately detect hemidiaphragm paralysis, it would be interesting to combine the ultrasound study of diaphragm excursion and thickening. The different profiles reported by our study must be known to avoid misinterpretation.
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Affiliation(s)
- Alain Boussuges
- Centre de Recherche en Cardio-Vasculaire et Nutrition, C2VN (Université Aix Marseille, INSERM 1263, INRAE 1260), Faculté de Médecine, Marseille, France
- Laboratoire d’Exploration Fonctionnelle Respiratoire, Hôpital Nord, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Alex Fourdrain
- Département de Chirurgie Thoracique, Hôpital Nord, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Marc Leone
- Service d’Anesthésie et Réanimation, Hôpital Nord, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Geoffrey Brioude
- Département de Chirurgie Thoracique, Hôpital Nord, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Amelie Menard
- Service de Médecine Interne, Unité Post COVID, Hôpital Nord, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Laurent Zieleskiewicz
- Service d’Anesthésie et Réanimation, Hôpital Nord, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Stephane Delliaux
- Centre de Recherche en Cardio-Vasculaire et Nutrition, C2VN (Université Aix Marseille, INSERM 1263, INRAE 1260), Faculté de Médecine, Marseille, France
- Laboratoire d’Exploration Fonctionnelle Respiratoire, Hôpital Nord, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Marion Gouitaa
- Département des Maladies Respiratoires et Transplantation Pulmonaire, Hôpital Nord, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Hervé Dutau
- Département des Maladies Respiratoires et Transplantation Pulmonaire, Hôpital Nord, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Fabienne Brégeon
- Laboratoire d’Exploration Fonctionnelle Respiratoire, Hôpital Nord, Assistance Publique des Hôpitaux de Marseille, Marseille, France
- Unité d’Appui à la recherche (HIPE), Aix-Marseille Université, CNRS, Université de Toulon, Institut Paoli-Calmettes, Marseille, France
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10
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Sun Y, Sun S, Chen R, Shen J, Chen X, Lin Y, Yao S. Diaphragm ultrasonography as a monitor in assessing antagonistic effect of sugammadex on rocuronium in patients with Child-Pugh grades A and B. Front Med (Lausanne) 2024; 11:1370021. [PMID: 38686365 PMCID: PMC11057376 DOI: 10.3389/fmed.2024.1370021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 03/19/2024] [Indexed: 05/02/2024] Open
Abstract
Background Although diaphragm ultrasound can be used for detecting residual neuromuscular blockade post-surgery, there exists notable dearth in contemporary research exploring the correlation between preoperative Child-Pugh classification and the effectiveness of sugammadex in reversing rocuronium-induced blockade as evaluated by diaphragmatic ultrasonography. Methods This was a prospective, double-blind, non-randomized controlled clinical trial conducted on patients scheduled for laparoscopic liver resection surgery. The participants were categorized into two groups, A and B, based on their preoperative Child-Pugh classification. Prior to anesthesia induction, baseline diaphragm thickness was evaluated using ultrasonography. Throughout the surgical procedure, a deep neuromuscular blockade was maintained with rocuronium. Post-surgery, sugammadex (2 mg/kg) was intravenously administered to patients in both groups upon reaching a train-of-four ratio of 0.2. Diaphragm thickness was assessed at 0, 10, and 30 min, as well as 2 h after extubation, to analyze thickening fractioning (TF) and thickness recovery fractioning (TRF). Results No significant differences in TF or TRF were observed between the two groups at 0, 10, and 30 min, as well as 2 h after extubation. Furthermore, there were no significant variances in hemodynamic stability following sugammadex administration. However, patients in the Child-Pugh B group experienced a significantly prolonged time from sugammadex administration to tracheal extubation (19 ± 8.0 min vs. 11 ± 6.1 min) and an extended post-anesthesia care unit stay (123 ± 28.3 min vs. 103 ± 26.0 min) compared to those in the Child-Pugh A group. Conclusion The preoperative Child-Pugh grades may not exhibit a significant association with the reversal effect of sugammadex on rocuronium, as evaluated through diaphragmatic ultrasonography. Clinical trial registration Registered in the ClinicalTrials.gov (NCT05028088) on July 18, 2021.
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Affiliation(s)
- Yan Sun
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Key Laboratory of Anesthesiology and Resuscitation (Huazhong University of Science and Technology), Ministry of Education, Wuhan, China
| | - Shujun Sun
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Key Laboratory of Anesthesiology and Resuscitation (Huazhong University of Science and Technology), Ministry of Education, Wuhan, China
| | - Rui Chen
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Key Laboratory of Anesthesiology and Resuscitation (Huazhong University of Science and Technology), Ministry of Education, Wuhan, China
| | - Jiwei Shen
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Key Laboratory of Anesthesiology and Resuscitation (Huazhong University of Science and Technology), Ministry of Education, Wuhan, China
| | - Xiangdong Chen
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Key Laboratory of Anesthesiology and Resuscitation (Huazhong University of Science and Technology), Ministry of Education, Wuhan, China
| | - Yun Lin
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Key Laboratory of Anesthesiology and Resuscitation (Huazhong University of Science and Technology), Ministry of Education, Wuhan, China
| | - Shanglong Yao
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Key Laboratory of Anesthesiology and Resuscitation (Huazhong University of Science and Technology), Ministry of Education, Wuhan, China
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Cè M, Oliva G, Rabaiotti FL, Macrì L, Zollo S, Aquila A, Cellina M. Portable Dynamic Chest Radiography: Literature Review and Potential Bedside Applications. Med Sci (Basel) 2024; 12:10. [PMID: 38390860 PMCID: PMC10885043 DOI: 10.3390/medsci12010010] [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: 01/06/2024] [Revised: 02/01/2024] [Accepted: 02/03/2024] [Indexed: 02/24/2024] Open
Abstract
Dynamic digital radiography (DDR) is a high-resolution radiographic imaging technique using pulsed X-ray emission to acquire a multiframe cine-loop of the target anatomical area. The first DDR technology was orthostatic chest acquisitions, but new portable equipment that can be positioned at the patient's bedside was recently released, significantly expanding its potential applications, particularly in chest examination. It provides anatomical and functional information on the motion of different anatomical structures, such as the lungs, pleura, rib cage, and trachea. Native images can be further analyzed with dedicated post-processing software to extract quantitative parameters, including diaphragm motility, automatically projected lung area and area changing rate, a colorimetric map of the signal value change related to respiration and motility, and lung perfusion. The dynamic diagnostic information along with the significant advantages of this technique in terms of portability, versatility, and cost-effectiveness represents a potential game changer for radiological diagnosis and monitoring at the patient's bedside. DDR has several applications in daily clinical practice, and in this narrative review, we will focus on chest imaging, which is the main application explored to date in the literature. However, studies are still needed to understand deeply the clinical impact of this method.
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Affiliation(s)
- Maurizio Cè
- Postgraduation School in Radiodiagnostics, Università degli Studi di Milano, Via Festa del Perdono 7, 20122 Milan, Italy; (F.L.R.); (L.M.); (A.A.)
| | - Giancarlo Oliva
- Radiology Department, Fatebenefratelli Hospital, ASST Fatebenefratelli Sacco, 20121 Milan, Italy; (G.O.); (M.C.)
| | - Francesca Lucrezia Rabaiotti
- Postgraduation School in Radiodiagnostics, Università degli Studi di Milano, Via Festa del Perdono 7, 20122 Milan, Italy; (F.L.R.); (L.M.); (A.A.)
| | - Laura Macrì
- Postgraduation School in Radiodiagnostics, Università degli Studi di Milano, Via Festa del Perdono 7, 20122 Milan, Italy; (F.L.R.); (L.M.); (A.A.)
| | - Sharon Zollo
- Konica Minolta Business Solutions Europe GmbH, Capellalaan 65, 2132 JL Hoofddorp, The Netherlands;
| | - Alessandro Aquila
- Postgraduation School in Radiodiagnostics, Università degli Studi di Milano, Via Festa del Perdono 7, 20122 Milan, Italy; (F.L.R.); (L.M.); (A.A.)
| | - Michaela Cellina
- Radiology Department, Fatebenefratelli Hospital, ASST Fatebenefratelli Sacco, 20121 Milan, Italy; (G.O.); (M.C.)
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Yamada T, Minami T, Yoshino S, Emoto K, Mabuchi S, Hanazawa R, Hirakawa A, Hashimoto M. Diaphragm Ultrasonography: Reference Values and Influencing Factors for Thickness, Thickening Fraction, and Excursion in the Seated Position. Lung 2024; 202:83-90. [PMID: 38019290 PMCID: PMC10896853 DOI: 10.1007/s00408-023-00662-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 11/19/2023] [Indexed: 11/30/2023]
Abstract
INTRODUCTION Measurements of diaphragm function by ultrasonography are affected by body position, but reference values in the seated position have not been established for an Asian population. This study aimed to determine reference values for diaphragm thickness, thickening fraction, and dome excursion by ultrasonography and to investigate the effects of sex, height, and body mass index. METHODS Diaphragm ultrasonography was performed on 109 seated Japanese volunteers with normal respiratory function who were enrolled between March 2022 and January 2023. Thickness, thickening fraction, and excursion were measured. Reference values and the measurement success rate were calculated. Multivariate analysis adjusted for sex, height, and body mass index was performed. RESULTS The measurement success rate was better for thickness than for excursion. The mean (lower limit of normal) values on the right/left sides were as follows. During quiet breathing, thickness at end expiration(mm) was 1.7 (0.9)/1.6 (0.80), thickening fraction(%) was 50 (0.0)/52 (0.0), and excursion(cm) was 1.7 (0.5)/1.9 (0.5). During deep breathing, the thickening fraction was 111 (24)/107 (22), and the excursion was 4.4 (1.7)/4.1 (2.0). In multivariate analysis, body mass index was positively associated with thickness but not with the thickening fraction. CONCLUSION The reference values in this study were smaller than those in previous reports from Europe. Considering that thickness is influenced by body mass index, using Western reference values in Asia, where the average body mass index is lower, might not be appropriate. The thickening fraction in deep breathing is unaffected by other items and can be used more universally.
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Affiliation(s)
- Toru Yamada
- Department of General Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, 113-8510, Japan.
| | - Taro Minami
- Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, The Warren Alpert Medical School of Brown University, Providence, RI, 02903, USA
| | - Syumpei Yoshino
- General Internal Medicine, Iizuka Hospital, Iizuka, 135-0041, Fukuoka, Japan
| | - Ken Emoto
- General Internal Medicine, Kaita Hospital, Iizuka, 820-1114, Fukuoka, Japan
| | - Suguru Mabuchi
- Department of General Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Ryoichi Hanazawa
- Department of Clinical Biostatistics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Akihiro Hirakawa
- Department of Clinical Biostatistics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Masayoshi Hashimoto
- Department of General Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, 113-8510, Japan
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Çiçek S, Çeliker Tosun Ö, Parlas M, Bilgiç D, Yavuz O, Kurt S, Başer Seçer M, Tosun G, Özer M, İleri A. Is there a synergistic relationship between diaphragm and pelvic floor muscles in pregnant women? Eur J Obstet Gynecol Reprod Biol 2024; 293:125-131. [PMID: 38157829 DOI: 10.1016/j.ejogrb.2023.12.023] [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: 06/05/2023] [Revised: 09/18/2023] [Accepted: 12/16/2023] [Indexed: 01/03/2024]
Abstract
OBJECTIVE The aim of this study is to examine whether there is a synergistic relationship between the diaphragm and pelvic floor muscles (PFM) in pregnant women. MATERIAL AND METHODS Our study was carried out as a cross-sectional study in primigravid pregnants in the second and third trimesters. Superficial electromyography (EMG), 2D/3D ultrasonography (USG), pulmonary function test (PFT), PERFECT, maximum expiratory pressure (MEP) and inspiratory pressure (MIP) measurements were used to evaluate pelvic floor and diaphragm muscle functions during pregnancy. Mann-Whitney U test was used to show the change in the second and third trimesters, and Spearman correlation was used to determine the relationship. RESULTS No correlation was found between the EMG data of the PFM and diaphragm, or between the USG data of the PFM and diaphragm in all participants, in the second and third trimesters. In the third trimester of the study, diaphragmatic thickness and levator hiatal area (LHA) decreased and both diaphragm and PFM % MVC EMG parameters increased. In the third trimester, FVC, MIP, MEP decreased, and nonsignificant increase in FEV1, FEV1/FVC and peak ekspiratuar flow(PEF) were detected. A significant correlation was found between pelvic floor levator hiatal area USG and FEV1/FVC in both trimesters (r: 0,577p: 0,004). CONCLUSION There may be a synergistic relationship between the diaphragm and PFM in pregnant women, the relationship may weaken as pregnancy progresses, and there may be no coactivation relationship between the two muscles. In order to prevent the occurrence of pelvic floor dysfunction during pregnancy and to increase the effect of rehabilitation programs, the relationship between the diaphragm and the PFM should be determined and more studies should be conducted.
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Affiliation(s)
- Sinem Çiçek
- Dokuz Eylul University, Institute Of Health Sciences, Izmir, Turkey
| | - Özge Çeliker Tosun
- Dokuz Eylül University, Faculty of Physical Therapy and Rehabilitation, Izmir, Turkey
| | - Manolya Parlas
- Dokuz Eylul University Faculty of Nursing, Izmir, Turkey
| | - Dilek Bilgiç
- Dokuz Eylul University Faculty of Nursing, Izmir, Turkey
| | - Onur Yavuz
- Dokuz Eylul University Faculty Of Medicine Department Of Surgical Medical Sciences Gynecological Diseases And Obstetrics, Turkey
| | - Sefa Kurt
- Dokuz Eylul University Faculty of Medicine Department Of Surgical Medical Sciences Gynecological Oncology Department Of Gynecological Oncology, Turkey
| | - Melda Başer Seçer
- Dokuz Eylul University, Institute Of Health Sciences, Izmir, Turkey; Manisa Celal Bayar University Health Services Vocational School, Manisa, Turkey.
| | - Gökhan Tosun
- Department of Obstetrics and Gynecology, University of Health Sciences, Tepecik Education and Research Hospital, Izmir, Turkey
| | - Mehmet Özer
- Department of Obstetrics and Gynecology, University of Health Sciences, Tepecik Education and Research Hospital, Izmir, Turkey
| | - Alper İleri
- Department of Obstetrics and Gynecology, University of Health Sciences, Tepecik Education and Research Hospital, Izmir, Turkey
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Ma J, Zhang H, Pang X, Zhang J, Zhao R, Wang J, Chang X, Guo J, Zhang W. Diaphragmatic ultrasonography as a predictor of respiratory muscle fatigue in myasthenia gravis. Muscle Nerve 2024; 69:199-205. [PMID: 38124677 DOI: 10.1002/mus.28020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 11/29/2023] [Accepted: 12/10/2023] [Indexed: 12/23/2023]
Abstract
INTRODUCTION/AIMS Easy fatigability, the clinical hallmark of generalized myasthenia gravis (GMG), cannot be detected in a dynamic way. The aim of this study was to assess respiratory function dynamically through diaphragmatic ultrasonography (DUS) in GMG patients. METHODS GMG patients and controls were recruited in a 1:1 ratio. DUS was performed during one quiet breath and 15 consecutive deep breaths. The diaphragm thicknesses were measured at different positions. Diaphragm thickening fraction (TFdi) and the maximal change in diaphragm thickness (Tmax) during 15 consecutive deep breaths were calculated and transformed to normality, named N-TFdi and N-Tmax, respectively. The percentages of changes in TFdi and Tmax compared with baseline were named ΔTFdi and ΔTmax, respectively. The diagnostic parameter for respiratory muscle fatigue was chosen from ΔTFdi and ΔTmax at different deep breath times according to their ability to distinguish GMG patients from controls and the interrater reliability of TFdi and Tmax. RESULTS Thirty-four GMG patients and 30 healthy controls were enrolled. N-TFdi and N-Tmax significantly changed as the number of deep breaths increased (p < .001) in GMG patients, but not in controls. ΔTmax of the 15th deep breath (ΔTmax15) was selected as the diagnostic parameter for respiratory muscle fatigue. There were no significant differences in percentage of predicted values of forced vital capacity and arterial partial pressure of carbon dioxide between patients with normal and abnormal ΔTmax15. DISCUSSION DUS could identify diaphragm fatiguability in GMG patients, which may be more reliable and sensitive in assessment of diaphragm fatigue than conventional methods.
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Affiliation(s)
- Jing Ma
- Department of Neurology, First Hospital of Shanxi Medical University, Taiyuan, China
- First Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Huiqiu Zhang
- Department of Neurology, First Hospital of Shanxi Medical University, Taiyuan, China
- First Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Xiaomin Pang
- Department of Neurology, First Hospital of Shanxi Medical University, Taiyuan, China
| | - Jing Zhang
- Department of Neurology, First Hospital of Shanxi Medical University, Taiyuan, China
| | - Rongjuan Zhao
- Department of Neurology, First Hospital of Shanxi Medical University, Taiyuan, China
| | - Juan Wang
- Department of Neurology, First Hospital of Shanxi Medical University, Taiyuan, China
| | - Xueli Chang
- Department of Neurology, First Hospital of Shanxi Medical University, Taiyuan, China
| | - Junhong Guo
- Department of Neurology, First Hospital of Shanxi Medical University, Taiyuan, China
| | - Wei Zhang
- Department of Neurology, First Hospital of Shanxi Medical University, Taiyuan, China
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Skaarup SH, Juhl-Olsen P, Grundahl AS, Løgstrup BB. Replacement of fluoroscopy by ultrasonography in the evaluation of hemidiaphragm function, an exploratory prospective study. Ultrasound J 2024; 16:1. [PMID: 38189895 PMCID: PMC10774234 DOI: 10.1186/s13089-023-00355-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 12/18/2023] [Indexed: 01/09/2024] Open
Abstract
INTRODUCTION Dysfunction of the diaphragm may ultimately lead to respiratory insufficiency and compromise patient outcome. Evaluation of diaphragm function is cumbersome. Fluoroscopy has been the gold standard to measure diaphragmatic excursion. Ultrasonography can visualize diaphragm excursion and holds many advantages such as no radiation exposure, increased portability and accessibility. However, correlation between fluoroscopy and ultrasonography has never been studied. We aimed to compare fluoroscopic and ultrasound measures of diaphragm excursion to determine if ultrasonography can replace fluoroscopy. METHODS We performed ultrasound and fluoroscopy simultaneously during sniff inspiration and at total inspiratory capacity in patients with chronic obstructive pulmonary disease, heart failure and in healthy volunteers. Cranio-caudal excursion was measured by fluoroscopy and compared directly to M-mode excursion, B-mode excursion, area change, resting thickness, thickening fraction and contraction velocity measured by ultrasonography. RESULTS Forty-two participants were included. The Pearson correlation between M-mode and fluoroscopy excursion was 0.61. The slope was 0.9 (90%CI 0.76-1.04) in a regression analysis. Using the Bland-Altman method, the bias was - 0.39 cm (95% CI - 1.04-0.26), p = 0.24. The Pearson correlation between fluoroscopy and B-mode and area change ultrasonography was high; low for thickness and fraction. All correlations were lower during sniff inspiration compared with inspiratory capacity breathing. CONCLUSION Ultrasonography has an acceptable correlation and bias compared to fluoroscopy and can thus be used as the primary tool to evaluate diaphragm excursion.
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Affiliation(s)
- Søren Helbo Skaarup
- Department of Respiratory Medicine and Allergy, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200, Aarhus, Denmark.
| | - Peter Juhl-Olsen
- Department of Cardiothoracic and Vascular Surgery, Anaesthesia Section, Aarhus University Hospital, Aarhus, Denmark
| | - Anne Sofie Grundahl
- Department of Emergency Medicine, Randers Regional Hospital, Randers, Denmark
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Terada M, Kosik KB, Gribble PA. Association of Diaphragm Contractility and Postural Control in a Chronic Ankle Instability Population: A Preliminary Study. Sports Health 2024; 16:19-25. [PMID: 36691689 PMCID: PMC10732118 DOI: 10.1177/19417381221147304] [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] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Altered reorganization of the sensorimotor system after an initial lateral ankle sprain may lead to a chronic neuromuscular maladaptation in multiple body locations. Specifically, decreased diaphragm contractility has been observed in patients with chronic ankle instability (CAI). The diaphragm has an essential role in postural control. Decreased diaphragm contractility could associate with diminished postural control commonly observed in patients with CAI. However, no study has determined if diaphragm contractility contributes to postural control in a CAI population. HYPOTHESIS Decreased diaphragm contractility would be negatively associated with static postural control in patients with CAI. STUDY DESIGN Cross-sectional study design. LEVEL OF EVIDENCE Level 4. METHODS A total of 15 participants with CAI participated voluntarily. An ultrasonography assessment was performed to quantify the right and left hemidiaphragm thickness at the end of resting inspiration and expiration in supine while breathing quietly. The degree of diaphragm contractility was calculated from the diaphragm thickness. Participants performed 3 eyes-open trials of a 20-second single-leg balance task on the involved limb. Static postural control measures included the center of pressure velocity (COPV) and mean of time-to-boundary (TTB) minima in the anteroposterior (AP) and mediolateral directions. RESULTS Moderate correlations of the right hemidiaphragm contractility were observed with COPV (ρ = -0.54) and TTB mean minima (ρ = 0.56) (P < 0.05) in the AP direction. The left hemidiaphragm contractility was moderately correlated with COPV (ρ = -0.56) and TTB mean minima (ρ = 0.60) (P < 0.05) in the AP direction. CONCLUSION Lower diaphragm contractility may be associated with diminished static postural control in the AP direction in patients with CAI. CLINICAL RELEVANCE This study highlights diaphragm contractility could be a potential connection with diminished static postural control in patients with CAI. Our data raise new avenues for future exploration including potential beneficial effects of implementation of diaphragm breathing exercises and techniques for restoring static postural control in patients with CAI.
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Affiliation(s)
- Masafumi Terada
- College of Sport and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Kyle B. Kosik
- The Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, Kentucky
| | - Phillip A. Gribble
- The Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, Kentucky
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Boon AJ, Litchy WJ. Electrodiagnostic and ultrasound evaluation of respiratory weakness. Muscle Nerve 2024; 69:18-28. [PMID: 37975205 DOI: 10.1002/mus.27998] [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: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 11/19/2023]
Abstract
Phrenic nerve conduction studies (NCSs) and needle electromyography (EMG) can provide important information on the underlying pathophysiology in patients presenting with unexplained shortness of breath, failure to wean from the ventilator, or consideration of phrenic nerve pacemaker implantation. However, these techniques are often technically challenging, require experience, can lack sensitivity and specificity, and, in the case of diaphragm EMG, involve some degree of risk. Diagnostic high-resolution ultrasound has been introduced in recent years as an adjuvant technique readily available at the bedside that can increase the overall sensitivity and specificity of the neurophysiologic evaluation of respiratory symptoms. Two-dimensional ultrasound in the zone of apposition can identify atrophy and evaluate contractility of the diaphragm, in addition to localizing a safe zone for needle EMG. M-mode ultrasound can identify decreased excursion or paradoxical motion of the diaphragm and can increase the reliability of phrenic NCSs. When used in combination, ultrasound, phrenic NCSs and EMG of the diaphragm can differentiate neuropathic, myopathic, and central disorders, and can offer aid in prognosis that is difficult to arrive at solely from clinical examination. This article will review techniques to successfully perform phrenic NCSs, needle EMG of the diaphragm, and ultrasound of the diaphragm. The discussion will include technical pitfalls and clinical pearls as well as future directions and clinical indications.
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Affiliation(s)
- Andrea J Boon
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota, USA
- Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA
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18
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Zhou EF, Fu SN, Huang C, Huang XP, Wong AYL. Reliability and validity of ultrasonography in evaluating the thickness, excursion, stiffness, and strain rate of respiratory muscles in non-hospitalized individuals: a systematic review. BMC Oral Health 2023; 23:959. [PMID: 38042780 PMCID: PMC10693145 DOI: 10.1186/s12903-023-03558-y] [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: 06/18/2023] [Accepted: 10/19/2023] [Indexed: 12/04/2023] Open
Abstract
OBJECTIVE To summarize the reliability and validity of ultrasonography in evaluating the stiffness, excursion, stiffness, or strain rate of diaphragm, intercostals and abdominal muscles in healthy or non-hospitalized individuals. LITERATURE SEARCH PubMed, Embase, SPORTDiscus, CINAHL and Cochrane Library were searched from inception to May 30, 2022. STUDY SELECTION CRITERIA Case-control, cross-sectional, and longitudinal studies were included if they investigated the reliability or validity of various ultrasonography technologies (e.g., brightness-mode, motion-mode, shear wave elastography) in measuring the thickness, excursion, stiffness, or strain rate of any respiratory muscles. DATA SYNTHESIS Relevant data were summarized based on healthy and different patient populations. The methodological quality by different checklist depending on study design. The quality of evidence of each psychometric property was graded by the Grading of Recommendations, Assessment, Development and Evaluations, respectively. RESULTS This review included 24 studies with 787 healthy or non-hospitalized individuals (e.g., lower back pain (LBP), adolescent idiopathic scoliosis (AIS), and chronic obstructive pulmonary disease (COPD)). Both inspiratory (diaphragm and intercostal muscles) and expiratory muscles (abdominal muscles) were investigated. Moderate-quality evidence supported sufficient (intra-class correlation coefficient > 0.7) within-day intra-rater reliability of B-mode ultrasonography in measuring right diaphragmatic thickness among people with LBP, sufficient between-day intra-rater reliability of M-mode ultrasonography in measuring right diaphragmatic excursion in non-hospitalized individuals. The quality of evidence for all other measurement properties in various populations was low or very low. High-quality evidence supported sufficient positive correlations between diaphragm excursion and forced expiratory volume in the first second or forced vital capacity (r > = 0.3) in healthy individuals. CONCLUSIONS Despite the reported sufficient reliability and validity of using ultrasonography to assess the thickness, excursion, stiffness, and strain rate of respiratory muscles in non-hospitalized individuals, further large-scale studies are warranted to improve the quality of evidence regarding using ultrasonography for these measurements in clinical practice. Researchers should establish their own reliability before using various types of ultrasonography to evaluate respiratory muscle functions. TRIAL REGISTRATION PROSPERO NO. CRD42022322945.
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Affiliation(s)
- Emma FengMing Zhou
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China
| | - Siu Ngor Fu
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China
| | - Chen Huang
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China
| | - Xiu Ping Huang
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China
| | - Arnold Yu Lok Wong
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China.
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19
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YETKİN NA, YETKİN MF, BARAN KETENCİOĞLU B, OYMAK FS, GÜLMEZ İ, YILMAZ İ, TUTAR N. Evaluation of diaphragm functions with diaphragm ultrasound and pulmonary function tests in individuals with Friedreich's ataxia. Turk J Med Sci 2023; 53:1301-1311. [PMID: 38812999 PMCID: PMC10763816 DOI: 10.55730/1300-0144.5696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 10/26/2023] [Accepted: 09/07/2023] [Indexed: 05/31/2024] Open
Abstract
Background/aim It is known that the correlation of pulmonary function tests (PFT) with muscle dysfunction is insufficient. Here, we aimed to evaluate the diaphragm functions in individuals with Friedreich's ataxia (FRDA) and to examine its relationship with respiratory parameters and disease severity. Materials and methods This prospective study, conducted between November and December 2022, at Erciyes University, included 14 individuals with genetically confirmed FRDA and an age- and gender-matched healthy control group of eight individuals. We examined pulmonary functions with spirometric methods and evaluated diaphragm excursion, and diaphragm thickness-expiratory (Tde) and - end of inspiration (Tdi) with ultrasonography during calm breathing. Thickening fraction (TF) calculated. Also, we examined PaCO2 at rest. The neurological status of individuals was assessed using the Scale for the Assessment and Rating of Ataxia (SARA). Results The mean values of FEV1(lt), FEV1(%), FVC (lt), and FVC (%) were higher in the control group (p; <0.001, 0.013, <0.001, and 0.009, respectively). Also, mean Tdi, Tde, excursion and TF were lower in the FRDA group compared to the control group (p = 0.005, 0.294,0.005, and 0.019, respectively). The mean excursion value was 1.13 ± 0.54cm in the FRDA group and 1.71 ± 0.49cm in the control group. There is a strong, negative, and statistically significant correlation between SARA total score with excursion and TF (r = -0.7432, p = 0.002; r = -0.697, p = 0.008). There is no statistically significant relationship between excursion and BMI, standing-to-supine decrease in FVC, FEV1, and PaCO2. Also, the relationship between maximal inspiratory pressure (PImax) and excursion was moderate. Conclusion Diaphragm ultrasound may reveal respiratory dysfunction better than PFT. Diaphragm excursion and TF are associated with disease scores in individuals with FDRA. Further studies are needed regarding the detection of alveolar hypoventilation.
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Affiliation(s)
- Nur Aleyna YETKİN
- Department of Chest Diseases, Faculty of Medicine, Erciyes University, Kayseri,
Turkiye
| | - Mehmet Fatih YETKİN
- Department of Neurology, Faculty of Medicine, Erciyes University, Kayseri,
Turkiye
| | | | - Fatma Sema OYMAK
- Department of Chest Diseases, Faculty of Medicine, Erciyes University, Kayseri,
Turkiye
| | - İnci GÜLMEZ
- Department of Chest Diseases, Faculty of Medicine, Erciyes University, Kayseri,
Turkiye
| | - İnsu YILMAZ
- Department of Chest Diseases, Faculty of Medicine, Erciyes University, Kayseri,
Turkiye
| | - Nuri TUTAR
- Department of Chest Diseases, Faculty of Medicine, Erciyes University, Kayseri,
Turkiye
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20
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Zhang Q, Yang D, Zhu Y, Liu Y, Ye X. An optimized optical-flow-based method for quantitative tracking of ultrasound-guided right diaphragm deformation. BMC Med Imaging 2023; 23:108. [PMID: 37592200 PMCID: PMC10436632 DOI: 10.1186/s12880-023-01066-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 07/26/2023] [Indexed: 08/19/2023] Open
Abstract
OBJECTIVES To develop a quantitative analysis method for right diaphragm deformation. This method is based on optical flow and applied to diaphragm ultrasound imaging. METHODS This study enrolls six healthy subjects and eight patients under mechanical ventilation. Dynamic images with 3-5 breathing cycles were acquired from three directions of right diaphragm by a portable ultrasound system. Filtering and density clustering algorithms are used for denoising Digital Imaging and Communications in Medicine (DICOM) data. An optical flow based method is applied to track movements of the right diaphragm. An improved drift correction algorithm is used to optimize the results. The method can automatically analyze the respiratory cycle, inter-frame/cumulative vertical and horizontal displacements, and strain of the input right diaphragm ultrasound image. RESULTS The optical-flow-based diaphragm ultrasound image motion tracking algorithm can accurately track the right diaphragm during respiratory motion. There are significant differences in horizontal and vertical displacements in each section (p-values < 0.05 for all). Significant differences are found between healthy subjects and mechanical ventilation patients for both horizontal and vertical displacements in Section III (p-values < 0.05 for both). There is no significant difference in global strain in each section between healthy subjects and mechanical ventilation patients (p-values > 0.05 for all). CONCLUSIONS The developed method can quantitatively evaluate the inter-frame/cumulative displacement of the diaphragm in both horizontal and vertical directions, as well as the global strain in three different imaging planes. The above indicators can be used to evaluate diaphragmatic dynamics.
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Affiliation(s)
- Qi Zhang
- School of Information Science and Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Dawei Yang
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, 200032, PR China
- Shanghai Engineering Research Center of Internet of Things for Respiratory Medicine, Shanghai, 200237, PR China
| | - Yu Zhu
- School of Information Science and Engineering, East China University of Science and Technology, Shanghai, 200237, PR China.
- Shanghai Engineering Research Center of Internet of Things for Respiratory Medicine, Shanghai, 200237, PR China.
| | - Yatong Liu
- School of Information Science and Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Xiong Ye
- School of Clinical Medicine, Shanghai University of Medicine & Health Sciences, Shanghai, 201318, PR China.
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21
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Dhiman M, Repaka R. Simulating radiofrequency ablation of hepatocellular carcinomas proximal to bare area of liver. MINIM INVASIV THER 2023; 32:163-174. [PMID: 37029689 DOI: 10.1080/13645706.2023.2198602] [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: 09/14/2022] [Accepted: 03/22/2023] [Indexed: 04/09/2023]
Abstract
PURPOSE To numerically assess the significance of dextrose 5% in water (D5W) thermo-protection during radiofrequency ablation (RFA) of hepatocellular carcinomas (HCCs) located near the 'bare area of liver'. MATERIAL AND METHODS This study utilises quasi-anatomical structures extracted from CT images. A multi-tine electrode, deployed inside the extracted organs and operated under temperature-controlled mode was used as the source of ablation. Geometrically, D5W was modelled around the 'bare area' and sandwiched between the liver and diaphragm. RFA at different sites relative to the 'bare area' was simulated to answer when to consider modelling D5W. RESULTS For targets near the edge of 'bare area' and at 0.5 mm gap (between the electrode and the 'bare area'), ignoring D5W and using ground conditions could result in underestimation of ablation volume by almost 25%. The importance of D5W becomes negligible for ablations near the centre of the 'bare area'. CONCLUSIONS Consideration of D5W during RFA of HCCs proximal to the 'bare area' can significantly influence the ablation outcome, especially when ablation is performed near the edge of the 'bare area'.
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Affiliation(s)
- Manoj Dhiman
- Department of Mechanical Engineering, Indian Institute of Technology Ropar, Rupnagar, India
| | - Ramjee Repaka
- Department of Mechanical Engineering, Indian Institute of Technology Ropar, Rupnagar, India
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22
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Wakefield CJ, Jochum SB, Hejna EE, Peterson SB, Vines DL, Shah PN, Hayden DM, Balk RA. Respiratory Musculature Evaluated by Computed Tomography in the Setting of Prolonged Mechanical Ventilation. Respir Care 2023; 68:1106-1111. [PMID: 37185112 PMCID: PMC10353160 DOI: 10.4187/respcare.09491] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
BACKGROUND Diaphragm atrophy has been observed in subjects who undergo invasive mechanical ventilation. We propose a new method to assess for respiratory muscle (RM) changes in subjects who undergo invasive mechanical ventilation by assessing for changes in respiratory muscles through computed tomography (CT). METHODS A retrospective case series study was conducted on subjects who underwent invasive mechanical ventilation and received at least 2 chest CT scans during admission. Exclusion criteria included history of chronic mechanical ventilation dependence and neuromuscular disease. Respiratory muscle cross-sectional area (CSA) was measured at the T6 vertebrae. RESULTS Fourteen subjects were included: mean (± SD) age, BMI, and admission APACHE II scores were 54.0 y (± 14.9), 32.6 kg/m2 (± 10.9), and 23.5 (± 6.0), respectively. Ten (71%) subjects were male. Mean length of time between CT chest scans was 7.5 d (± 3.3). Mean duration of invasive mechanical ventilation was 4.5 d (± 3.4). The percentage change in TM CSA among those who underwent invasive mechanical ventilation was 10.5% (± 6.1). CONCLUSIONS We demonstrated that serial analysis of respiratory muscle CSA through CT chest scans can be a method to assess for respiratory muscle atrophy in subjects undergoing mechanical ventilation. Future prospective studies involving larger populations are needed to better understand how this method can be used to predict outcomes in mechanically ventilated patients.
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Affiliation(s)
- Connor J Wakefield
- Department of Internal Medicine, Brooke Army Medical Center, San Antonio, Texas.
| | - Sarah B Jochum
- Department of Surgery, Division of Colon and Rectal Surgery, Rush University Medical Center, Chicago, Illinois
| | - Emily E Hejna
- Department of Surgery, Division of Colon and Rectal Surgery, Rush University Medical Center, Chicago, Illinois
| | - Sarah B Peterson
- Department of Clinical Nutrition, College of Health Sciences, Rush University Medical Center, Chicago, Illinois
| | - David L Vines
- Department of Cardiopulmonary Sciences, Division of Respiratory Care, Rush University Medical Center, Chicago, Illinois
| | - Palmi N Shah
- Department of Diagnostic Radiology and Nuclear Medicine, Rush University Medical Center, Chicago, Illinois
| | - Dana M Hayden
- Department of Surgery, Division of Colon and Rectal Surgery, Rush University Medical Center, Chicago, Illinois
| | - Robert A Balk
- Department of Internal Medicine, Brooke Army Medical Center, San Antonio, Texas
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23
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Ultrasound imaging assessment of the diaphragm and abdominal muscles in people with a recent history of moderate Covid-19 infection and healthy participants: A cross-sectional pilot study. PLoS One 2023; 18:e0281098. [PMID: 36763588 PMCID: PMC9916597 DOI: 10.1371/journal.pone.0281098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 12/26/2022] [Indexed: 02/11/2023] Open
Abstract
Coronavirus disease (Covid-19) is a highly infectious disease caused by the SARS-CoV-2 virus and is associated with a decrease of respiratory, physical, and psychological function, subsequently affecting quality of life. The aim of the present pilot study was to use ultrasound imaging (USI) to evaluate and compare the thickness of the diaphragm and abdominal muscles between individuals recently diagnosed with moderate Covid-19 infection and healthy individuals. METHODS A cross-sectional observational pilot study was performed. A total sample of 24 participants were recruited from a private medical center (Madrid, Spain): Covid-19 (n = 12) and healthy controls (n = 12). The external oblique (EO), internal oblique (IO), transversus abdominis (TrA), rectus abdominis (RA), interrecti distance (IRD) and diaphragm thickness were assessed using USI during inspiration, expiration and during contraction. RESULTS USI measurements of the thickness of EO, IO, TrA, RA, IRD and the diaphragm did not differ significantly between groups during inspiration, expiration or during contraction (all P > 0.05). CONCLUSIONS These preliminary results suggest that the morphology of the abdominal muscles and diaphragm is not altered in people with a recent history of moderate Covid-19 infection.
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24
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Diaphragmatic Activation Correlated with Lumbar Multifidus Muscles and Thoracolumbar Fascia by B-Mode and M-Mode Ultrasonography in Subjects with and without Non-Specific Low Back Pain: A Pilot Study. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:medicina59020315. [PMID: 36837516 PMCID: PMC9967570 DOI: 10.3390/medicina59020315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 02/02/2023] [Accepted: 02/05/2023] [Indexed: 02/10/2023]
Abstract
Background and Objectives: The diaphragm, the lumbar multifidus muscles, and the thoracolumbar fascia (TLF) execute an important role in the stability of the lumbar spine and their morphology has been modified in subjects with non-specific low back pain (NS-LBP). While it is true that three structures correlate anatomically, the possible functional correlation between them has not been investigated previously in healthy subjects nor in subjects with NS-LBP. The aim of the present study was to examine this functional nexus by means of a comparison based on ultrasonographic parameters of the diaphragm, the lumbar multifidus muscles, and the TLF in subjects with and without NS-LBP. Materials and Methods: A sample of 54 (23 NS-LBP and 31 healthy) subjects were included in the study. The thickness and diaphragmatic excursion at tidal volume (TV) and force volume (FV), the lumbar multifidus muscles thickness at contraction and at rest, and the TLF thickness were evaluated using rehabilitative ultrasound imaging (RUSI) by B-mode and M-mode ultrasonography. The diaphragm thickening capacity was also calculated by thickening fraction (TF) at tidal volume and force volume. Results: There were no significant differences recorded between the activation of the diaphragm and the activation of the lumbar multifidus muscles and TLF for each variable, within both groups. However, there were significant differences recorded between both groups in diaphragm thickness and diaphragm thickening capacity at tidal volume and force volume. Conclusions: Diaphragmatic activation had no functional correlation with the activation of lumbar multifidus muscles and TLF for both groups. Nevertheless, subjects with NS-LBP showed a reduced diaphragm thickness and a lower diaphragm thickening capacity at tidal volume and force volume, compared to healthy subjects.
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25
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Malátová R, Bahenský P, Rost M, Marko D. Breathing pattern and its evaluation by muscle dynamometer md03. Proc Inst Mech Eng H 2022; 236:1777-1782. [DOI: 10.1177/09544119221129324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The purpose of the study was to determine the proportion of engagements of individual breathing sectors during 1-min physically active breathing at rest in 163 healthy, physically active participants (students of Physical Education and Sport). The research analyzed breathing movements through the muscle dynamometer MD03 (Hitron, Plzeň, Czech Republic). The proportion of engagements of the individual breathing sector in the group analyzed was determined based on measurement results. The lower breathing sector was engaged at 29.2%, the middle breathing sector at 31.0%, and the upper breathing sector at 39.8%. The largest observed difference between the involvement of individual breath sectors was 10.6% between the lower and upper breathing sectors. The muscle dynamometer MD03 may be instrumental for practising both localized breathing and full breath.
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Affiliation(s)
- R Malátová
- Department of Sports Studies, University of South Bohemia, Faculty of Education, České Budějovice, Czech Republic
| | - P Bahenský
- Department of Sports Studies, University of South Bohemia, Faculty of Education, České Budějovice, Czech Republic
| | - M Rost
- Department of Plant Production, University of South Bohemia, Faculty of Agriculture, České Budějovice, Czech Republic
| | - David Marko
- Department of Sports Studies, University of South Bohemia, Faculty of Education, České Budějovice, Czech Republic
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26
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Sicilia-Gomez C, Fernández-Carnero S, Martin-Perez A, Cuenca-Zaldívar N, Naranjo-Cinto F, Pecos-Martín D, Cervera-Cano M, Nunez-Nagy S. Abdominal and Pelvic Floor Activity Related to Respiratory Diaphragmatic Activity in Subjects with and without Non-Specific Low Back Pain. Diagnostics (Basel) 2022; 12:diagnostics12102530. [PMID: 36292219 PMCID: PMC9600311 DOI: 10.3390/diagnostics12102530] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 10/10/2022] [Accepted: 10/10/2022] [Indexed: 11/28/2022] Open
Abstract
One of the advances in physiotherapy in recent years is the exploration and treatment by ultrasound imaging. This technique makes it possible to study the relationship between the musculature of the anterolateral wall of the abdomino-pelvic cavity, the pelvic floor muscles and the diaphragm muscle, among others, and thus understand their implication in non-specific low back pain (LBP) in pathological subjects regarding healthy subjects. Objective: To evaluate by RUSI (rehabilitative ultrasound imaging) the muscular thickness at rest of the abdominal wall, the excursion of the pelvic floor and the respiratory diaphragm, as well as to study their activity. Methodology: Two groups of 46 subjects each were established. The variables studied were: non-specific low back pain, thickness and excursion after tidal and forced breathing, pelvic floor (PF) excursion in a contraction and thickness of the external oblique (EO), internal oblique (IO) and transverse (TA) at rest. Design: Cross-sectional observational study. Results: Good-to-excellent reliability for measurements of diaphragm thickness at both tidal volume (TV) (inspiration: 0.763, expiration: 0.788) and expiration at forced volume (FV) (0.763), and good reliability for inspiration at FV (0.631). A correlation was found between the EO muscle and PF musculature with respect to diaphragmatic thickness at TV, inspiration and expiration, and inspiration at FV, in addition to finding significant differences in all these variables in subjects with LBP. Conclusion: Subjects with LBP have less thickness at rest in the OE muscle, less excursion of the pelvic diaphragm, less diaphragmatic thickness at TV, in inspiration and expiration, and in inspiration to FV.
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Affiliation(s)
- Cristina Sicilia-Gomez
- Universidad de Alcalá, Facultad de Medicina y Ciencias de la Salud, Departamento de Enfermería y Fisioterapia, Grupo de Investigación en Fisioterapia y Dolor, 28801 Alcalá de Henares, Spain
| | - Samuel Fernández-Carnero
- Universidad de Alcalá, Facultad de Medicina y Ciencias de la Salud, Departamento de Enfermería y Fisioterapia, Grupo de Investigación en Fisioterapia y Dolor, 28801 Alcalá de Henares, Spain
- Correspondence: ; Tel.: +34-620-895-315
| | - Alicia Martin-Perez
- Universidad de Alcalá, Facultad de Medicina y Ciencias de la Salud, Departamento de Enfermería y Fisioterapia, Grupo de Investigación en Fisioterapia y Dolor, 28801 Alcalá de Henares, Spain
| | - Nicolas Cuenca-Zaldívar
- Universidad de Alcalá, Facultad de Medicina y Ciencias de la Salud, Departamento de Enfermería y Fisioterapia, Grupo de Investigación en Fisioterapia y Dolor, 28801 Alcalá de Henares, Spain
- Research Group in Nursing and Health Care, Puerta de Hierro Health Research Institute-Segovia de Arana (IDIPHISA), 28222 Madrid, Spain
| | - Fermin Naranjo-Cinto
- Universidad de Alcalá, Facultad de Medicina y Ciencias de la Salud, Departamento de Enfermería y Fisioterapia, Grupo de Investigación en Fisioterapia y Dolor, 28801 Alcalá de Henares, Spain
| | - Daniel Pecos-Martín
- Universidad de Alcalá, Facultad de Medicina y Ciencias de la Salud, Departamento de Enfermería y Fisioterapia, Grupo de Investigación en Fisioterapia y Dolor, 28801 Alcalá de Henares, Spain
| | - Maria Cervera-Cano
- Universidad de Alcalá, Facultad de Medicina y Ciencias de la Salud, Departamento de Enfermería y Fisioterapia, Grupo de Investigación en Fisioterapia y Dolor, 28801 Alcalá de Henares, Spain
| | - Susana Nunez-Nagy
- Universidad de Alcalá, Facultad de Medicina y Ciencias de la Salud, Departamento de Enfermería y Fisioterapia, Grupo de Investigación en Fisioterapia y Dolor, 28801 Alcalá de Henares, Spain
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Postural-respiratory function of the diaphragm assessed by M-mode ultrasonography. PLoS One 2022; 17:e0275389. [PMID: 36215306 PMCID: PMC9550028 DOI: 10.1371/journal.pone.0275389] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 09/15/2022] [Indexed: 12/05/2022] Open
Abstract
OBJECTIVES The diaphragm changes position and respiratory excursions during postural loading. However, it is unclear how it reacts to lifting a load while breath-holding or breathing with simultaneous voluntary contraction of the abdominal muscles (VCAM). This study analyzed diaphragm motion in healthy individuals during various postural-respiratory situations. METHODS 31 healthy participants underwent examination of the diaphragm using M-mode ultrasonography, spirometry, and abdominal wall tension (AWT) measurements. All recordings were performed simultaneously during three consecutive scenarios, i.e., 1. Lifting a load without breathing; 2. Lifting a load and breathing naturally; 3. Lifting a load and breathing with simultaneous VCAM. RESULTS Using paired-samples t-tests, lifting a load without breathing displaced the diaphragm's expiratory position more caudally (P < .001), with no change noted in the inspiratory position (P = .373). During lifting a load breathing naturally, caudal displacement of the diaphragm's inspiratory position was presented (P < .001), with no change noted in the expiratory position (P = 0.20) compared to tidal breathing. Total diaphragm excursion was greater when loaded (P = .002). Lifting a load and breathing with VCAM demonstrated no significant changes in diaphragm position for inspiration, expiration, or total excursion compared to natural loaded breathing. For all scenarios, AWT measures were greater when lifting a load (P < .001). CONCLUSION In healthy individuals, caudal displacement and greater excursions of the diaphragm occurred when lifting a load. The postural function of the diaphragm is independent of its respiratory activity and is not reduced by the increase in AWT.
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28
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Pałac M, Linek P. Intra-Rater Reliability of Shear Wave Elastography for the Quantification of Respiratory Muscles in Adolescent Athletes. SENSORS (BASEL, SWITZERLAND) 2022; 22:s22176622. [PMID: 36081075 PMCID: PMC9460867 DOI: 10.3390/s22176622] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 08/25/2022] [Accepted: 08/29/2022] [Indexed: 05/09/2023]
Abstract
The aim of this study was to assess the intra-rater reliability and agreement of diaphragm and intercostal muscle elasticity and thickness during tidal breathing. The diaphragm and intercostal muscle parameters were measured using shear wave elastography in adolescent athletes. To calculate intra-rater reliability, intraclass correlation coefficient (ICC) and Bland-Altman statistics were used. The reliability/agreement for one-day both muscle measurements (regardless of probe orientation) were at least moderate. During the seven-day interval between measurements, the reliability of a single measurement depended on the measured parameter, transducer orientation, respiratory phase, and muscle. Excellent reliability was found for diaphragm shear modulus at the peak of tidal expiration in transverse probe position (ICC3.1 = 0.91-0.96; ICC3.2 = 0.95), and from poor to excellent reliability for the intercostal muscle thickness at the peak of tidal inspiration with the longitudinal probe position (ICC3.1 = 0.26-0.95; ICC3.2 = 0.15). The overall reliability/agreement of the analysed data was higher for the diaphragm measurements (than the intercostal muscles) regardless of the respiratory phase and probe position. It is difficult to identify a more appropriate probe position to examine these muscles. The shear modulus/thickness of the diaphragm and intercostal muscles demonstrated good reliability/agreement so this appears to be a promising technique for their examination in athletes.
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Affiliation(s)
- Małgorzata Pałac
- Musculoskeletal Elastography and Ultrasonography Laboratory, Institute of Physiotherapy and Health Sciences, The Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland
- Musculoskeletal Diagnostic and Physiotherapy—Research Team, The Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland
| | - Paweł Linek
- Musculoskeletal Elastography and Ultrasonography Laboratory, Institute of Physiotherapy and Health Sciences, The Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland
- Musculoskeletal Diagnostic and Physiotherapy—Research Team, The Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland
- Correspondence: ; Tel.: +48-661-768-601
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29
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Effectiveness of Ultrasonography Visual Biofeedback of the Diaphragm in Conjunction with Inspiratory Muscle Training on Muscle Thickness, Respiratory Pressures, Pain, Disability, Quality of Life and Pulmonary Function in Athletes with Non-Specific Low Back Pain: A Randomized Clinical Trial. J Clin Med 2022; 11:jcm11154318. [PMID: 35893409 PMCID: PMC9332609 DOI: 10.3390/jcm11154318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/18/2022] [Accepted: 07/21/2022] [Indexed: 12/04/2022] Open
Abstract
Diaphragmatic weakness and thickness reduction have been detected in athletes with lumbopelvic pain (LPP). Strength training of inspiratory muscles may be necessary for athletes with LPP. Inspiratory muscle training (IMT) and visual biofeedback by rehabilitative ultrasound imaging (RUSI) have been proposed as possible interventions. Here, we determine the effectiveness of visual biofeedback by RUSI with a proposed novel thoracic orthotic device to facilitate diaphragmatic contraction in conjunction with high-intensity IMT in athletes with non-specific LPP. A single-blinded, parallel-group, randomized clinical trial was performed (NCT04097873). Of 86 participants assessed for eligibility, 64 athletes with non-specific LPP (39 males and 25 females; mean age, 33.15 ± 7.79 years) were recruited, randomized, analyzed and received diaphragm visual biofeedback by RUSI in conjunction with high-intensity IMT (RUSI+IMT; n = 32) or isolated high-intensity IMT (IMT; n = 32) interventions for 8 weeks. Diaphragmatic thickness during normal breathing, maximum respiratory pressures, pain intensity, pressure pain threshold on lumbar musculature, disability by the Roland−Morris questionnaire, quality of life by the SF-12 questionnaire and spirometry respiratory parameters were assessed at baseline and after the 8-week intervention. There were significant differences (p = 0.015), within a medium effect size (Cohen’s d = 0.62) for the forced expiratory volume in 1-s (FEV1), which was increased in the RUSI+IMT intervention group relative to the IMT alone group. Adverse effects were not observed. The rest of the outcomes did not show significant differences (p > 0.05). Diaphragm visual biofeedback by RUSI with the proposed novel thoracic orthotic device in conjunction with high-intensity IMT improved lung function by increasing FEV1 in athletes with non-specific LPP.
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Pałac M, Rutka M, Wolny T, Podgórski M, Linek P. Ultrasonography in Assessment of Respiratory Muscles Function: A Systematic Review. Respiration 2022; 101:878-892. [PMID: 35760051 DOI: 10.1159/000524785] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 04/22/2022] [Indexed: 01/03/2023] Open
Abstract
INTRODUCTION The purpose of this study was to evaluate the potential utility of respiratory muscles ultrasound (US) imaging for assessing respiratory function and identify US variables that best correlate with pulmonary parameters. MATERIALS AND METHODS A search of 5 databases was conducted. Initially, there was no language, study design, or time frame restrictions. All studies assessing the relationship between pulmonary and US parameters were included. Two reviewers independently extracted and documented data regarding to examined population, age, gender, health condition, methodology, US, and pulmonary function measurements. All studies were qualitative synthesis. RESULTS A total of 1,272 participants from 31 studies were included. Diaphragm thickness, diaphragm thickening ratio, and diaphragm excursion amplitude were mainly used as US parameters. Forced vital capacity, forced expiratory volume1sec, and maximal inspiratory pressure were mainly used as pulmonary parameters. The relationships between pulmonary and US parameters varied from negligible to strong (depend on examined population and methodology used). Data were not quantitatively synthesis due to high heterogeneity in terms of study design, population examined, and various pulmonary and US parameters. CONCLUSION A strong relationship between US measurements and pulmonary parameters was demonstrated in some studies but not others. This review confirmed that US measurements can complement spirometry, but the exact role of the US remains to be confirmed. Further studies using standardized methodology are needed to obtain more conclusive evidence on the usefulness of US for assessing respiratory function.
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Affiliation(s)
- Małgorzata Pałac
- Institute of Physiotherapy and Health Sciences, Musculoskeletal Elastography and Ultrasonography Laboratory, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland.,Musculoskeletal Diagnostic and Physiotherapy - Research Team, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland
| | - Magdalena Rutka
- Musculoskeletal Diagnostic and Physiotherapy - Research Team, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland
| | - Tomasz Wolny
- Institute of Physiotherapy and Health Sciences, Musculoskeletal Elastography and Ultrasonography Laboratory, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland.,Musculoskeletal Diagnostic and Physiotherapy - Research Team, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland
| | - Michał Podgórski
- Department of Radiology, Diagnostic Imaging and Interventional Radiology, Medical University of Lodz, Łódź, Poland
| | - Paweł Linek
- Institute of Physiotherapy and Health Sciences, Musculoskeletal Elastography and Ultrasonography Laboratory, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland.,Musculoskeletal Diagnostic and Physiotherapy - Research Team, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland
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Jadehkenari AZ, Haghighatkhah HR, Sarrafzadeh J, Takamjani IE, Arab AM, Ziaeifar M. Intra-Rater Reliability of Ultrasound Measurements of Diaphragm Thickness and Contractility in Individuals with Nonspecific Chronic Neck Pain. J Chiropr Med 2022; 21:116-123. [PMID: 35774628 DOI: 10.1016/j.jcm.2022.02.006] [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: 12/13/2019] [Revised: 02/05/2022] [Accepted: 02/08/2022] [Indexed: 11/16/2022] Open
Abstract
Objective This study aimed to determine within-day intra-rater reliability of ultrasound measurements of the right and left hemidiaphragm thickness and contractility (quantified by percentage thickness change) in supine position during deep breathing in individuals with nonspecific chronic neck pain. Methods Seventeen volunteers (20-55 years of age) participated in this observational study. Bilateral diaphragm muscle thickness and contractility (percentage thickness change) were compared between 2 measurement sessions administered by a radiologist using B-mode real-time ultrasound (30 minutes apart). Intraclass correlation coefficient (ICC [3, 3]) as well as the standard error of measurement (SEM), minimal detectable change (MDC), and the coefficient of variation (CV) were used to determine the intra-rater reliability. Results The right and left hemidiaphragm thickness showed good to excellent reliability at the end of deep inspiration (ICC, 0.90; 95% confidence interval [CI], 0.72-0.96; and ICC, 0. 93; 95% CI, 0.81-0.97, respectively) as well as at the end of deep expiration (ICC, 0.91; 95% CI, 0.75-0.96; ICC, 0.91; 95% CI, 0.77-0.97; SEM, 0.19; MDC, 0.54; and CV, 7.84%, respectively) and the percentage thickness change (ICC, 0.83; 95% CI, 0.54-0.94; and ICC, 0.93; 95% CI, 0.82-0.97, respectively). Conclusion This study found that diagnostic ultrasound measurements of the right and left hemidiaphragm thickness and contractility in supine position during deep breathing in individuals with nonspecific chronic neck pain was reliable. The SEM, MDC, and CV reported may allow for accurate interpretation of diaphragm assessment in a clinical research setting.
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Affiliation(s)
- Alieh Zendehdel Jadehkenari
- Rehabilitation Research Center, Department of Physiotherapy, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Hamid Reza Haghighatkhah
- Radiology Department of Diagnosis Imaging, Shohada-e-Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Javad Sarrafzadeh
- Rehabilitation Research Center, Department of Physiotherapy, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Ismail Ebrahimi Takamjani
- Rehabilitation Research Center, Department of Physiotherapy, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Amir Massoud Arab
- Department of Physiotherapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Maryam Ziaeifar
- Rehabilitation Research Center, Department of Physiotherapy, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
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Genty T, Laverdure F, Peyrouset O, Rezaiguia-Delclaux S, Thès J, Stéphan F. Extubation Failure Prediction by Echography of the Diaphragm After Cardiothoracic Surgery: The EXPEDIA Study. Respir Care 2022; 67:308-315. [PMID: 34983832 PMCID: PMC9993501 DOI: 10.4187/respcare.09476] [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] [Indexed: 11/05/2022]
Abstract
BACKGROUND Successful extubation is difficult to predict. Ultrasound measurement of the diaphragm thickening fraction (DTF) might help predict weaning failure after cardiothoracic surgery. METHODS We assessed the predictive performance of diaphragm ultrasound in a derivation cohort of 50 prospectively included cardiothoracic surgery subjects ready for a weaning trial and in a validation cohort of 39 subjects ventilated for ≥ 48 h. DTF was assessed by ultrasound during pressure support ventilation (PSV) then during a T-piece spontaneous breathing trial (SBT). DTF was the percentage change in diaphragm thickness between expiration and inspiration and DTFmax, the higher DTF value of the 2 hemidiaphragms. DTFmax during SBT (static study) and the difference in DTFmax between PSV and SBT (dynamic study) were analyzed. RESULTS In the derivation cohort, DTFmax during SBT was 25.6 ± 17.3% in subjects with successful extubation and 65.2 ± 17.3% in those with weaning failure (difference 39.7 [95% CI 27.4-51.9], P < .01). During SBT, DTFmax ≥ 50% was associated with weaning failure (area under the receiver operating characteristic curve [AUC] 0.94 ± 0.05). In the dynamic study, a ≥ 40% DTFmax increase was associated with weaning failure (AUC 0.91 ± 0.06). In the validation cohort, DTFmax during SBT was 20.3 ± 17.1% in subjects with successful extubation and 82.0 ± 51.6% in those with weaning failure (difference 61.8 [95% CI 41.6-82.0], P < .01). During SBT, DTFmax ≥ 50% predicted weaning failure (AUC 0.99 ± 0.02). In the dynamic study, a ≥ 40% increase in DTFmax predicted weaning failure (AUC 0.81 ± 0.09). CONCLUSIONS Measuring DTFmax during SBT and the DTFmax change when switching from PSV to SBT may help predict weaning failure after cardiothoracic surgery. The study was registered on ANZCTR. CLINICAL TRIAL REGISTRATION NUMBER U1111-1180-1999.
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Affiliation(s)
- Thibaut Genty
- Department of Anesthesiology and Intensive Care, Marie Lannelongue Hospital, Groupe Hospitalier Paris Saint Joseph, Paris, France.
| | - Florent Laverdure
- Department of Anesthesiology and Intensive Care, Marie Lannelongue Hospital, Groupe Hospitalier Paris Saint Joseph, Paris, France
| | - Olivier Peyrouset
- Department of Anesthesiology and Intensive Care, Marie Lannelongue Hospital, Groupe Hospitalier Paris Saint Joseph, Paris, France
| | - Saïda Rezaiguia-Delclaux
- Department of Anesthesiology and Intensive Care, Marie Lannelongue Hospital, Groupe Hospitalier Paris Saint Joseph, Paris, France
| | - Jacques Thès
- Department of Anesthesiology and Intensive Care, Marie Lannelongue Hospital, Groupe Hospitalier Paris Saint Joseph, Paris, France
| | - François Stéphan
- Department of Anesthesiology and Intensive Care, Marie Lannelongue Hospital, Groupe Hospitalier Paris Saint Joseph, Paris, France and University Paris Saclay Faculty of Medicine, Kremlin Bicêtre, France
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GÜNEŞ S, GENÇ A, KURTAİŞ AYTÜR Y, ÇİFTÇİ F, HAYME S, KAYA A. Effects of pulmonary rehabilitation on diaphragm thickness and contractility in patients with chronic obstructive pulmonary disease. Turk J Med Sci 2022; 52:89-96. [PMID: 34579511 PMCID: PMC10734869 DOI: 10.3906/sag-2105-345] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 02/22/2022] [Accepted: 09/27/2021] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND Studies are showing that pulmonary rehabilitation (PR) increases diaphragmatic excursion by decreasing hyperinflation in patients with chronic obstructive pulmonary disease (COPD). However, there is a lack of knowledge about its effects on the diaphragm thickness (dt) and contractility. This study aims to evaluate the dt and contractility before and after PR in patients with COPD. METHODS All subjects participated in an out-patient PR of 6 weeks and 3 sessions per week prospectively. Dyspnea severity, the disease-specific quality of life (St. Georges Respiratory Questionnaire-SGRQ), pulmonary function tests (PFT), exercise capacity, the dt at the end of the expiration and at maximal inspiration (B-mode ultrasound) were evaluated at baseline and after PR. RESULTS A total of 34 patients with a mean age and FEV1 61.05 ± 8.22 years and 57.9 ± 20.4% predicted respectively showed improvements in exercise capacity and some items of PFT and SGRQ. Diaphragmatic thickness at the end of the expiration also significantly improved regardless of the disease severity and was positively correlated with functional performance. The 6-weeks of PR didn't result in a significant difference in diaphragm contractility.
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Affiliation(s)
- Seçilay GÜNEŞ
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Ankara University, Ankara,
Turkey
| | - Aysun GENÇ
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Ankara University, Ankara,
Turkey
| | - Yesim KURTAİŞ AYTÜR
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Ankara University, Ankara,
Turkey
| | - Fatma ÇİFTÇİ
- Department of Chest Diseases, Faculty of Medicine, Ankara University, Ankara,
Turkey
| | - Serhat HAYME
- Department of Biostatistics, Faculty of Medicine, Ankara University, Ankara,
Turkey
| | - Akın KAYA
- Department of Chest Diseases, Faculty of Medicine, Ankara University, Ankara,
Turkey
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Fernández-Carnero S, Martin-Saborido C, Achalandabaso Ochoa-Ruiz de Mendoza A, Ferragut-Garcias A, Cuenca-Zaldivar JN, Leal-Quiñones A, Calvo-Lobo C, Gallego-Izquierdo T. The Role of Rehabilitative Ultrasound Imaging Technique in the Lumbopelvic Region as a Diagnosis and Treatment Tool in Physiotherapy: Systematic Review, Meta-Analysis and Meta-Regression. J Clin Med 2021; 10:5699. [PMID: 34884401 PMCID: PMC8658262 DOI: 10.3390/jcm10235699] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 11/22/2021] [Accepted: 12/01/2021] [Indexed: 01/25/2023] Open
Abstract
Rehabilitative ultrasound imaging (RUSI) technique seems to be a valid and reliable tool for diagnosis and treatment in physiotherapy and has been widely studied in the lumbopelvic region the last three decades. The aims for this utility in clinical settings must be review through a systematic review, meta-analysis and meta-regression. A systematic review was designed following the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines with PROSPERO registration and per review in all phases of the process using COVIDENCE, analysis of risk of bias and meta-analysis using REVMAN, and meta-regression calculation using STATA. Database screening provided 6544 references, out of which 321 reported narrative synthesis, and 21 reported quantitative synthesis, while only 7 of them provided comparable data to meta-analyze the variables pain and muscle thickness. In most cases, the forest plots showed considerable I2 heterogeneity indexes for multifidus muscle thickness (I2 = 95%), low back pain (I2 = 92%) and abdominal pain (I2 = 95%), not important for transversus abdominis muscle thickness (I2 = 22%), significant heterogenity (I2 = 69%) depending on the subgroup and not important internal oblique muscle thickness (I2 = 0%) and external oblique muscle thickness (I2 = 0%). Meta-regression did not provide significant data for the correlations between the variables analyzed and the intervention, age, and BMI (Body Mass Index). This review reveals that RUSI could contribute to a high reliability of the measurements in the lumbopelvic region with validity and reliability for the assessments, as well as showing promising results for diagnosis and intervention assessment in physiotherapy compared to the traditional model, allowing for future lines of research in this area.
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Affiliation(s)
- Samuel Fernández-Carnero
- Physiotherapy and Pain Group, Department of Physiotherapy and Nursing, Alcalá University, 28801 Alcalá de Henares, Spain; (S.F.-C.); (A.A.O.-R.d.M.); (A.F.-G.); (T.G.-I.)
| | | | - Alexander Achalandabaso Ochoa-Ruiz de Mendoza
- Physiotherapy and Pain Group, Department of Physiotherapy and Nursing, Alcalá University, 28801 Alcalá de Henares, Spain; (S.F.-C.); (A.A.O.-R.d.M.); (A.F.-G.); (T.G.-I.)
- Área de Fisioterapia, Departamento de Ciencias de la Salud, Universidad de Jaén, Jaén, 23071 Andalucía, Spain
| | - Alejandro Ferragut-Garcias
- Physiotherapy and Pain Group, Department of Physiotherapy and Nursing, Alcalá University, 28801 Alcalá de Henares, Spain; (S.F.-C.); (A.A.O.-R.d.M.); (A.F.-G.); (T.G.-I.)
- Departamento de Enfermería y Fisioterapia, Islas Baleares University, 07122 Ciudad de Palma, Spain
| | | | | | - Cesar Calvo-Lobo
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain;
| | - Tomas Gallego-Izquierdo
- Physiotherapy and Pain Group, Department of Physiotherapy and Nursing, Alcalá University, 28801 Alcalá de Henares, Spain; (S.F.-C.); (A.A.O.-R.d.M.); (A.F.-G.); (T.G.-I.)
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Cappellini I, Picciafuochi F, Bartolucci M, Matteini S, Virgili G, Adembri C. Evaluation of diaphragm thickening by diaphragm ultrasonography: a reproducibility and a repeatability study. J Ultrasound 2021; 24:411-416. [PMID: 32358646 PMCID: PMC8572279 DOI: 10.1007/s40477-020-00462-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 04/08/2020] [Indexed: 12/22/2022] Open
Abstract
PURPOSE We have focused on the two-dimensional (B-mode) and the time-motion (M-mode) analysis of the zone of apposition to determine the reliability of diaphragm ultrasonography in the clinical environment. METHODS Ten healthy volunteers were enrolled and studied by three operators with different skills in ultrasonography. For every volunteer, each operator acquired three images of the diaphragm for each side, both in B-mode and in M-mode. Then a fourth operator calculated the thickening fraction (TF), by means of the formula TF = (TEI - TEE)/TEE (TEI is the thickness at end inspiration and TEE the thickness at end expiration). Afterwards, intraclass correlation coefficients (ICCs) were computed on TF to establish reproducibility and repeatability both in the B- and M-modes. A Coefficient of Repeatability or repeatability (CR) ≤ 0.3 was considered acceptable. RESULTS Both B-mode (CRs 0.16-0.26) and M-mode (CRs 0.10-0.15) were sufficiently repeatable to assess TF, except for the less experienced operator (CRs B-Mode 0.20-0.32). Reproducibility was moderate to good between operators with CRs much narrower for the M-Mode (0.13-0.14). CONCLUSIONS The results of our study have shown that diaphragm ultrasound is repeatable and reproducible when carried out by a radiologist or an intensivist with a basic curriculum in ultrasonography. The method is more accurate when using the M-mode for less experienced operators, and in this case, repeatability and reproducibility are not sufficient to make clinical decisions. No TF value lower than 36% was obtained using both techniques. This suggests the existence of a cut-off value that could be used as an initial tool to discriminate healthy subjects from those affected by diaphragmatic dysfunction. CLINICAL TRIAL REGISTRATION EUDRACT 2015-004635-12.
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Affiliation(s)
- Iacopo Cappellini
- Department of Health Sciences, Section of Anesthesiology and Critical Care, University of Florence, Florence, Italy.
| | - Fabio Picciafuochi
- Radiology Department, Azienda Ospedaliero Universitaria Careggi, Florence, Italy
| | - Maurizio Bartolucci
- Radiology Department, Azienda Ospedaliero Universitaria Careggi, Florence, Italy
| | - Simona Matteini
- Department of Health Sciences, Section of Anesthesiology and Critical Care, University of Florence, Florence, Italy
| | - Gianni Virgili
- Department of Health Sciences, Section of Anesthesiology and Critical Care, University of Florence, Florence, Italy
- Department of Neuroscience, Psychology, Drug Research and Child Health, University of Florence, Florence, Italy
| | - Chiara Adembri
- Department of Health Sciences, Section of Anesthesiology and Critical Care, University of Florence, Florence, Italy
- Radiology Department, Azienda Ospedaliero Universitaria Careggi, Florence, Italy
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Boussuges A, Rives S, Finance J, Chaumet G, Vallée N, Risso JJ, Brégeon F. Ultrasound Assessment of Diaphragm Thickness and Thickening: Reference Values and Limits of Normality When in a Seated Position. Front Med (Lausanne) 2021; 8:742703. [PMID: 34778304 PMCID: PMC8579005 DOI: 10.3389/fmed.2021.742703] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 10/04/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Diagnosing diaphragm dysfunction in the absence of complete paralysis remains difficult. The aim of the present study was to assess the normal values of the thickness and the inspiratory thickening of both hemidiaphragms as measured by ultrasonography in healthy volunteers while in a seated position. Methods: Healthy volunteers with a normal pulmonary function test were recruited. The diaphragmatic thickness was measured on both sides at the zone of apposition of the diaphragm to the rib cage during quiet breathing at end-expiration, end-inspiration, and after maximal inspiration. The thickening ratio, the thickening fraction, and the thickness at end-inspiration divided by the thickness at deep breathing were determined. The mean values and the lower and upper limits of normal were determined for men and women. Results: 200 healthy volunteers (100 men and 100 women) were included in the study. The statistical analysis revealed that women had a thinner hemidiaphragm than men on both sides and at the various breathing times studied. The lower limit of normality of the diaphragm thickness measured at end-expiration was estimated to be 1.3 mm in men and 1.1 mm in women, on both sides. The thickening fraction did not differ significantly between men and women. In men, it ranged from 60 to 260% on the left side and from 57 to 200% on the right side. In women, it ranged from 58 to 264% on the left side and from 60 to 229% on the right side. The lower limits of normality of the thickening fraction were determined to be 40 and 39% in men and 39 and 48% in women for the right and left hemidiaphragms, respectively. The upper limit for normal of the mean of both sides of the ratio thickness at end-inspiration divided by the thickness at deep breathing was determined to be 0.78 in women and 0.79 in men. Conclusion: The normal values of thickness and the indexes of diaphragmatic function should help clinicians with detecting diaphragm atrophy and dysfunction.
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Affiliation(s)
- Alain Boussuges
- ERRSO, Institut de Recherche Biomédicale des Armées (IRBA), Toulon, France.,Center for Cardiovascular and Nutrition Research (C2VN), Aix Marseille Université, INSERM, INRAE, Marseille, France.,Service d'Explorations Fonctionnelles Respiratoires, CHU Nord, Assistance Publique des Hôpitaux de Marseille et Aix Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France
| | - Sarah Rives
- ERRSO, Institut de Recherche Biomédicale des Armées (IRBA), Toulon, France.,Center for Cardiovascular and Nutrition Research (C2VN), Aix Marseille Université, INSERM, INRAE, Marseille, France
| | - Julie Finance
- Service d'Explorations Fonctionnelles Respiratoires, CHU Nord, Assistance Publique des Hôpitaux de Marseille et Aix Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France
| | | | - Nicolas Vallée
- ERRSO, Institut de Recherche Biomédicale des Armées (IRBA), Toulon, France
| | - Jean-Jacques Risso
- ERRSO, Institut de Recherche Biomédicale des Armées (IRBA), Toulon, France
| | - Fabienne Brégeon
- Service d'Explorations Fonctionnelles Respiratoires, CHU Nord, Assistance Publique des Hôpitaux de Marseille et Aix Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France
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Ultrasound assessment of the diaphragm during the first days of mechanical ventilation compared to spontaneous respiration: a comparative study. LA TUNISIE MEDICALE 2021; 99:1055-1065. [PMID: 35288909 PMCID: PMC9390126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
INTRODUCTION In critically ill patients, the diaphragm is subject to several aggressions mainly those induced by mechanical ventilation (MV). Currently, diaphragmatic ultrasound has become the most useful bedside for the clinician to evaluate diaphragm contractility. AIM To examine the effects of MV on the diaphragm contractility during the first days of ventilation. METHODS Two groups of subjects were studied: a study group (n=30) of adults receiving MV versus a control group (n=30) of volunteers on spontaneous ventilation (SV). Using an ultrasound device, we compared the diaphragmatic thickening fraction (DTF). Secondly, we analysed the relationship between DTF and weaning. RESULTS comparatively to SV group, patients of MV group have a higher end expiratory diameter (EED) (2.09 ± 0.6 vs. 1.76 ± 0.32 mm, p=0.01) and a lower DTF (39.9 ± 12.5% vs. 49.0 ± 20.5%, p=0.043). Fourteen among the 30 ventilated patients successfully weaned. No significant correlation was shown between DTF and weaning duration (Rho= - 0.464, p=0.09). A DTF value > 33% was near to be significantly associated with weaning success (OR=2; 95% CI= [1.07-3.7], p=0.05) with a sensitivity at 85.7%. CONCLUSIONS diaphragmatic contractility was altered from the first days of MV. A DTF value >32,7% was associated to the weaning success and that may be useful to predict successful weaning with sensitivity at 85.7%.
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Vicente-Campos D, Sanchez-Jorge S, Terrón-Manrique P, Guisard M, Collin M, Castaño B, Rodríguez-Sanz D, Becerro-de-Bengoa-Vallejo R, Chicharro JL, Calvo-Lobo C. The Main Role of Diaphragm Muscle as a Mechanism of Hypopressive Abdominal Gymnastics to Improve Non-Specific Chronic Low Back Pain: A Randomized Controlled Trial. J Clin Med 2021; 10:4983. [PMID: 34768502 PMCID: PMC8584898 DOI: 10.3390/jcm10214983] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 10/19/2021] [Accepted: 10/26/2021] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Chronic low back pain (LBP) has been stated as one of the main health concerns in the XXI century due to its high incidence. OBJECTIVE The objective of this study was to determine the effects of an 8-week program of hypopressive abdominal gymnastics (HAG) on inspiratory muscle strength, diaphragm thickness, disability and pain in patients suffering from non-specific chronic LBP. METHODS A total of 40 patients with chronic LBP were randomly divided into two groups. The experimental group carried out an 8-week supervised program of HAG (two sessions/week), whereas the control group did not receive any treatment. Outcomes were measured before and after the intervention, comprising diaphragm thickness during relaxed respiratory activity, maximal inspiratory pressure (PImax), pain intensity (NRS), pressure pain threshold and responses to four questionnaires: Physical Activity Questionnaire (PAQ), Roland-Morris Disability Questionnaire (RMQ), Central Sensitization Inventory (CSI) and Tampa Scale of Kinesiophobia-11 Items (TSK-11). RESULTS Statistically significant differences (p < 0.05) were observed for greater thickness of the left and right hemi-diaphragms at inspiration, as well as higher PImax and decreased NRS, CSI and RMQ scores in the intervention group. After treatment, the increases in the thickness of the left and right hemi-diaphragms at inspiration and PImax, as well as the decrease in the NRS and RMQ scores, were only predicted by the proposed intervention (R2 = 0.118-0.552). CONCLUSIONS An 8-week HAG intervention seemed to show beneficial effects and predicted an increase in diaphragm thickness and strength during inspiration, as well as a reduction in pain intensity, central sensitization and disability, in patients suffering from chronic non-specific LBP with respect to non-intervention.
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Affiliation(s)
- Davinia Vicente-Campos
- Faculty of Health Sciences, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain; (D.V.-C.); (S.S.-J.); (P.T.-M.); (M.G.); (M.C.); (B.C.)
| | - Sandra Sanchez-Jorge
- Faculty of Health Sciences, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain; (D.V.-C.); (S.S.-J.); (P.T.-M.); (M.G.); (M.C.); (B.C.)
| | - Pablo Terrón-Manrique
- Faculty of Health Sciences, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain; (D.V.-C.); (S.S.-J.); (P.T.-M.); (M.G.); (M.C.); (B.C.)
| | - Marion Guisard
- Faculty of Health Sciences, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain; (D.V.-C.); (S.S.-J.); (P.T.-M.); (M.G.); (M.C.); (B.C.)
| | - Marion Collin
- Faculty of Health Sciences, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain; (D.V.-C.); (S.S.-J.); (P.T.-M.); (M.G.); (M.C.); (B.C.)
| | - Borja Castaño
- Faculty of Health Sciences, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain; (D.V.-C.); (S.S.-J.); (P.T.-M.); (M.G.); (M.C.); (B.C.)
| | - David Rodríguez-Sanz
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.R.-S.); (R.B.-d.-B.-V.); (C.C.-L.)
| | - Ricardo Becerro-de-Bengoa-Vallejo
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.R.-S.); (R.B.-d.-B.-V.); (C.C.-L.)
| | | | - César Calvo-Lobo
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.R.-S.); (R.B.-d.-B.-V.); (C.C.-L.)
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Fritsch SJ, Hatam N, Goetzenich A, Marx G, Autschbach R, Heunks L, Bickenbach J, Bruells CS. Speckle tracking ultrasonography as a new tool to assess diaphragmatic function: a feasibility study. Ultrasonography 2021; 41:403-415. [PMID: 34749444 PMCID: PMC8942740 DOI: 10.14366/usg.21044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 08/17/2021] [Indexed: 12/04/2022] Open
Abstract
A reliable method of measuring diaphragmatic function at the bedside is still lacking. Widely used two-dimensional (2D) ultrasonographic measurements, such as diaphragm excursion, diaphragm thickness, and fractional thickening (FT) have failed to show clear correlations with diaphragmatic function. A reason for this is that 2D ultrasonographic measurements, like FT, are merely able to measure the deformation of muscular diaphragmatic tissue in the transverse direction, while longitudinal measurements in the direction of contracting muscle fibres are not possible. Speckle tracking ultrasonography, which is widely used in cardiac imaging, overcomes this disadvantage and allows observations of movement in the direction of the contracting muscle fibres, approximating muscle deformation and the deformation velocity. Several studies have evaluated speckle tracking as a promising method to assess diaphragm contractility in healthy subjects. This technical note demonstrates the feasibility of speckle tracking ultrasonography of the diaphragm in a group of 20 patients after an aortocoronary bypass graft procedure. The results presented herein suggest that speckle tracking ultrasonography is able to depict alterations in diaphragmatic function after surgery better than 2D ultrasonographic measurements.
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Affiliation(s)
| | - Nima Hatam
- Department of Thoracic and Cardio-Vascular Surgery, University Hospital RWTH Aachen, Aachen, Germany
| | - Andreas Goetzenich
- Department of Thoracic and Cardio-Vascular Surgery, University Hospital RWTH Aachen, Aachen, Germany
| | - Gernot Marx
- Department of Intensive Care Medicine, University Hospital RWTH Aachen, Aachen, Germany
| | - Rüdiger Autschbach
- Department of Thoracic and Cardio-Vascular Surgery, University Hospital RWTH Aachen, Aachen, Germany
| | - Leo Heunks
- Department of Intensive Care Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Johannes Bickenbach
- Department of Intensive Care Medicine, University Hospital RWTH Aachen, Aachen, Germany
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Diaphragmatic muscle ultrasonography and sarcopenia in older people. Aging Clin Exp Res 2021; 33:2019-2020. [PMID: 33977499 DOI: 10.1007/s40520-021-01881-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 05/03/2021] [Indexed: 10/21/2022]
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41
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Reply to the letter: "Diaphragmatic muscle ultrasonography and sarcopenia in older people". Aging Clin Exp Res 2021; 33:2021-2022. [PMID: 34047930 DOI: 10.1007/s40520-021-01890-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 05/17/2021] [Indexed: 10/21/2022]
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Marugán-Rubio D, Chicharro JL, Becerro-de-Bengoa-Vallejo R, Losa-Iglesias ME, Rodríguez-Sanz D, Vicente-Campos D, Dávila-Sánchez GJ, Calvo-Lobo C. Concurrent Validity and Reliability of Manual Versus Specific Device Transcostal Measurements for Breathing Diaphragm Thickness by Ultrasonography in Lumbopelvic Pain Athletes. SENSORS 2021; 21:s21134329. [PMID: 34202716 PMCID: PMC8272009 DOI: 10.3390/s21134329] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 06/06/2021] [Accepted: 06/21/2021] [Indexed: 12/12/2022]
Abstract
The use of rehabilitative ultrasound imaging (RUSI) to evaluate diaphragm thickness during breathing in athletes who suffer from non-specific lumbopelvic pain presents some measurement errors. The purpose of this study was to evaluate intra- and inter-sessions, intra- and inter-rater reliabilities, and concurrent validity of diaphragm thickness measurements during breathing using transcostal RUSI with a novel thoracic orthotic device that was used to fix the US probe versus those measurements obtained using manual fixation. A total of 37 athletes with non-specific lumbopelvic pain were recruited. Intra- (same examiner) and inter-rater (two examiners) and intra- (same day) and inter-session (alternate days) reliabilities were analyzed. All measurements were obtained after manual probe fixation and after positioning the thoracic orthotic device to fix the US probe in order to correctly correlate both measurement methods. Both left and right hemi-diaphragm thickness measurements were performed by transcostal RUSI at maximum inspiration, expiration, and the difference between the two parameters during relaxed breathing. Intra-class correlation coefficients (ICC), standard errors of measurement (SEM), minimum detectable changes (MCD), systematic errors, and correlations (r) were assessed. Orthotic device probe fixation showed excellent reliability (ICC = 0.852-0.996, SEM = 0.0002-0.054, and MDC = 0.002-0.072), and most measurements did not show significant systematic errors (p > 0.05). Despite manual probe fixation with a reliability ranging from good to excellent (ICC = 0.714-0.997, SEM = 0.003-0.023, and MDC = 0.008-0.064 cm), several significant systematic measurement errors (p < 0.05) were found. Most significant correlations between both orthotic device and manual probe fixation methods were moderate (r = 0.486-0.718; p < 0.05). Bland-Altman plots indicated adequate agreement between both measurement methods according to the agreement limits. The proposed novel thoracic orthotic device may allow ultrasound probe fixation to provide valid and reliable transcostal RUSI measurements of diaphragmatic thickness during relaxed breathing thus reducing some measurement errors and avoiding systematic measurement errors. It may be advisable to measure diaphragm thickness and facilitate visual biofeedback with respect to diaphragm re-education during normal breathing in athletes with non-specific lumbopelvic pain.
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Affiliation(s)
- Daniel Marugán-Rubio
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.M.-R.); (R.B.-d.-B.-V.); (D.R.-S.); (C.C.-L.)
| | - Jose L. Chicharro
- Grupo FEBIO, Universidad Complutense de Madrid, 28040 Madrid, Spain;
| | - Ricardo Becerro-de-Bengoa-Vallejo
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.M.-R.); (R.B.-d.-B.-V.); (D.R.-S.); (C.C.-L.)
| | | | - David Rodríguez-Sanz
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.M.-R.); (R.B.-d.-B.-V.); (D.R.-S.); (C.C.-L.)
| | - Davinia Vicente-Campos
- Faculty of Health Sciences, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain
- Correspondence:
| | | | - César Calvo-Lobo
- Faculty of Nursing, Physiotherapy and Podiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.M.-R.); (R.B.-d.-B.-V.); (D.R.-S.); (C.C.-L.)
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Ziaeifar M, Sarrafzadeh J, Noorizadeh Dehkordi S, Arab AM, Haghighatkhah H, Zendehdel Jadehkenari A. Diaphragm thickness, thickness change, and excursion in subjects with and without nonspecific low back pain using B-mode and M-mode ultrasonography. Physiother Theory Pract 2021; 38:2441-2451. [PMID: 34061721 DOI: 10.1080/09593985.2021.1926022] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Background: Previous studies have demonstrated that respiratory dysfunction has a potential association with low back pain (LBP). Despite the role of the diaphragm for respiration and spinal stability, knowledge of the function of both sides of the diaphragm in subjects with LBP is still limited.Objective: This study aimed to compare the structural integrity and function of the right and left hemidiaphragm by ultrasonography (USG) in subjects with and without nonspecific chronic low back pain (NS-CLBP).Methods: A total of 37 subjects with NS-CLBP and 34 healthy subjects participated in this case-control study. The thickness, thickness change, and excursion of the right and left hemidiaphragm were compared within and between the groups during quiet breathing (QB) and deep breathing (DB) through B-mode and M-mode ultrasound imaging.Results: The LBP group had a significantly smaller degree of right hemidiaphragm thickness change (P = .001) compared with the healthy control group, with a strong effect size. Nevertheless, there was no significant change for diaphragm thickness and excursion between the two groups. The result showed that, in the healthy group, the right hemidiaphragm had a significantly smaller thickness at expiration and larger thickness change compared with the left hemidiaphragm, with a moderate effect size. Based on the multivariate prediction analysis, the right hemidiaphragm thickness change might significantly predict LBP.Conclusion: We found that participants with LBP had a smaller degree of right hemidiaphragm thickness change. Also, the right hemidiaphragm thickness change might significantly predict LBP.
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Affiliation(s)
- Maryam Ziaeifar
- Rehabilitation Research Center, Department of Physiotherapy, School of Rehabilitation Sciences, Iran University of Medical Sciences, Mirdamad Blvd, Tehran, Iran
| | - Javad Sarrafzadeh
- Rehabilitation Research Center, Department of Physiotherapy, School of Rehabilitation Sciences, Iran University of Medical Sciences, Mirdamad Blvd, Tehran, Iran
| | - Shohreh Noorizadeh Dehkordi
- Rehabilitation Research Center, Department of Physiotherapy, School of Rehabilitation Sciences, Iran University of Medical Sciences, Mirdamad Blvd, Tehran, Iran
| | - Amir Massoud Arab
- Department of Physiotherapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Hamidreza Haghighatkhah
- Radiology Department of Diagnosis Imaging Shohadae Tajrish Hospital, Shaheed Beheshti University of Medical Sciences, Tehran, Iran
| | - Alieh Zendehdel Jadehkenari
- Rehabilitation Research Center, Department of Physiotherapy, School of Rehabilitation Sciences, Iran University of Medical Sciences, Mirdamad Blvd, Tehran, Iran
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Wan P, Chen F, Shao W, Liu C, Zhang Y, Wen B, Kong W, Zhang D. Irregular Respiratory Motion Compensation for Liver Contrast-Enhanced Ultrasound via Transport-Based Motion Estimation. IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL 2021; 68:1117-1130. [PMID: 33108284 DOI: 10.1109/tuffc.2020.3033984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Contrast-enhanced ultrasound (CEUS) imaging has been widely applied for the detection and characterization of focal liver lesions (FLLs), for its ability to visualize the blood flow in real time. However, cyclic liver motion poses a great challenge to the recovery of perfusion curves as well as quantitative kinetic parameters estimation. Recently, a few gating methods have been proposed to eliminate unexpected intensity fluctuations by the breathing phase estimation, with the assumption that each breathing phase corresponds to a specific lesion position strictly. While practical liver motion tends to be irregular due to changes in the patient's underlying physiologic status, that is, the same phase might not correspond to the same position. To tackle the challenge of motion irregularity, we present a novel motion estimation-based respiratory compensation method, named RCME, which first estimates salient motion information through the framework of optimal transport (OT) by jointly modeling pixel intensity as well as their locations and then employs sparse subspace clustering (SSC) to identify the subset of frames acquired at the same position. Our proposed method is evaluated on 15 clinical CEUS sequences in both qualitative and quantitative manners. Experimental results demonstrate good performance on irregular liver motion compensation.
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Pierce JL, Tanner K, Merrill RM, Shnowske L, Roy N. A Field-Based Approach to Establish Normative Acoustic Data for Healthy Female Voices. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2021; 64:691-706. [PMID: 33561361 DOI: 10.1044/2020_jslhr-20-00490] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Purpose The primary aim of this study was to obtain high-quality acoustic normative data in natural field environments for female voices. A secondary aim was to examine acoustic measurement variability in field environments. Method This study employed a within-subject repeated-measures experimental design that included 45 young female adults with normal voices. Participants were stratified by age (18-23, 24-29, and 30-35 years). After initial evaluation and instruction, participants completed voice recordings during seven consecutive days using a standard protocol, including both connected speech and sustained vowels. Thirty-two cepstral-, spectral-, and time-based acoustic measures were acquired using Praat and the Analysis of Dysphonia in Speech and Voice. Results Among the 958 total recordings, greater than 90% satisfied inclusion criteria based on protocol compliance, peak clipping, and signal-to-noise ratio. Significant differences were observed for age (p < .05). For 19 acoustic measures, values improved significantly as signal-to-noise ratio increased. Cepstral- and spectral-based measures demonstrated less measurement variability as compared with time-based measures. Conclusions With adequate training, field audio recordings represent a viable option for clinical voice management. The significant age effects observed in this study support the need for more specific criteria when collecting and applying normative data. Cepstral- and spectral-based measures demonstrated the least measurement variability. This study provides additional evidence for multiparameter acoustic voice measurement, specifically toward ecologically valid sampling in natural environments. Future studies should expand on these findings in other populations with normal and disordered voices.
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Affiliation(s)
- Jenny L Pierce
- Department of Surgery, The University of Utah, Salt Lake City
- Department of Communication Sciences & Disorders, The University of Utah, Salt Lake City
| | - Kristine Tanner
- Department of Communication Disorders, Brigham Young University, Provo, UT
| | - Ray M Merrill
- Department of Public Health, Brigham Young University, Provo, UT
| | - Lauren Shnowske
- Department of Communication Sciences & Disorders, The University of Utah, Salt Lake City
- Department of Communication Sciences and Disorders, University of Kentucky, Lexington
| | - Nelson Roy
- Department of Communication Sciences & Disorders, The University of Utah, Salt Lake City
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Diaphragmatic muscle thickness in older people with and without sarcopenia. Aging Clin Exp Res 2021; 33:573-580. [PMID: 32406014 DOI: 10.1007/s40520-020-01565-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 04/13/2020] [Indexed: 12/31/2022]
Abstract
BACKGROUND Studies in mice have suggested that sarcopenic animals may have atrophic diaphragmatic muscles; however, to date, no clinical studies are available. AIMS To investigate whether the diaphragmatic thickness is affected in older patients with sarcopenia and if this is associated with impaired respiratory functions. METHODS Thirty sarcopenic and 30 non-sarcopenic elderly patients aged over 65 were included. All patients underwent comprehensive geriatric assessment. The diagnosis of sarcopenia was made according to the criteria of the European Working Group on Sarcopenia in Older People. Ultrasonographic evaluations of the patients were carried out by an experienced radiologist. Diaphragmatic thickness was measured in three positions: end of deep inspiration, quiet breathing, end of forced expiration. Peak expiratory flow (PEF) rate was evaluated by a peak flow meter. RESULTS The mean age of the patients was 77 ± 6 years, and 58% were females. Diaphragmatic thickness in three different positions (deep inspiration [2.3 mm (min-max: 1.3-4.1) vs. 2.5 mm (min-max: 1.9-4.9)], quiet breathing [1.8 mm (min-max: 1.0-2.8) vs. 2.00 mm (min-max: 1.3-3.9)] and end of forced expiration [1.1 mm (min-max: 0.7-2.5) vs. 1.5 mm (min-max: 0.5-3.4)]) were found to be thinner in sarcopenic patients compared to non-sarcopenics (p = 0.02, p = 0.02, p < 0.01, respectively). Also, PEF rate results were lower in patients with sarcopenia (245 L/min [min-max: 150-500] vs. 310 L/min [min-max: 220-610], p < 0.01). Diaphragmatic muscle thicknesses in all three positions were independently associated with sarcopenia status of the participants. CONCLUSIONS Our results suggest that sarcopenia in older people may be associated with reduced diaphragmatic muscle thickness and respiratory functions. Findings are needed to be confirmed in further multicenter studies with big sample sizes.
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Loizou CP, Chrysostomou C, Minas G, Pattichis CS. Ultrasound diaphragmatic manual and semi-automated motion measurements: Application in simulated and in vivo data of critically ill subjects. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2020; 194:105517. [PMID: 32446038 DOI: 10.1016/j.cmpb.2020.105517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 04/21/2020] [Accepted: 04/21/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND AND OBJECTIVE Ultrasound diaphragmatic muscle motion characteristics may provide useful information about normal or abnormal diaphragmatic function and indicate diaphragmatic weakness, or paralysis. In the present work we propose and evaluate an integrated semi-automated analysis system for the quantitative analysis of ultrasonic motion from ultrasound diaphragmatic videos. METHODS The proposed system was evaluated in simulated videos and in 13 patients, four of whom patients were mechanically ventilated. The major steps of the methodology were as follows: video normalization, despeckle filtering, generation of an M-Mode image, snakes segmentation, and motion measurements. RESULTS The following manual (-/) vs semi-automated (/-), (median±IQR) measurements, which are routinely carried out by the experts, for assessing the severity of the disease, were computed. For the simulated videos the diaphragmatic excursion was 1.80±0.00 cm / 1.76±0.03 cm. For all the real ultrasound videos investigated in this study the following measurements were computed: (i) diaphragmatic excursion: 0.84±0.15 cm / 0.83±0.14 cm, (ii) inspiration time (Tinsp): 0.71±0.18 sec / 0.70±0.15 sec, (iii) total breathing time for one cycle (Ttot): 1.71±0.37 sec / 1.67±0.37 sec, (iv) diaphragmatic curve slope: 1.29±0.36 cm/sec / 1.27±0.36 cm/sec, and (v) relaxation rate (RR): 0.82±0.17 cm/sec / 0.82±0.18 cm/sec. CONCLUSIONS Manual and semi-automated measurements were very close with non-statistical significant differences and strong correlations between them. It is anticipated that the proposed system might be useful in the clinical practice in the assessment and follow up of patients with diaphragmatic weakness or paralysis and aid in the separation of normal and abnormal diaphragmatic motion. Further validation and additional experimentation in a larger sample of videos and different patient groups is required.
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Affiliation(s)
- Christos P Loizou
- Department of Electrical Engineering, Computer Engineering and Informatics at the Cyprus University of Technology, 3036 Limassol, Cyprus.
| | | | - Giorgos Minas
- Intensive Care Unit, General Hospital, Nicosia, Cyprus.
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Romero-Morales C, Bravo-Aguilar M, Ruiz-Ruiz B, Almazán-Polo J, López-López D, Blanco-Morales M, Téllez-González P, Calvo-Lobo C. Current advances and research in ultrasound imaging to the assessment and management of musculoskeletal disorders. Dis Mon 2020; 67:101050. [PMID: 32711897 DOI: 10.1016/j.disamonth.2020.101050] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Currently evidence-based practice has given scientific weight to the physical therapist profession; it is essential that all medical professional and physical therapists know the usefulness of new tools that optimize the effectiveness of their interventions and allow the growing of the scientific knowledge base. The use of ultrasound imaging (USI) by physiotherapists has evolved in recent years, consolidating as an increasingly standardized technique, low cost compared to other imaging techniques, quickly of execution, feasible and reliable tool. USI offers a wide range of opportunities in clinical practice as well as in different research areas. Therefore, ultrasound has been currently used as a diagnostic tool by physicians and in recent years there has been an expansion of the use of ultrasound equipment by non-physicians professionals such as physical therapist or physical trainers, who incorporates USI as a means of assessing musculoskeletal system architecture and composition, musculoskeletal changes in dysfunction, pain or injury conditions, as an interventional technique assisting echo-guided procedures or using the visual real-time information as a biofeedback in control motor approaches, as guiding tool in clinical decisions as well as to improve the understanding of tissue adaptations to exercise or movement. The purpose of this article is to review and provide an overview about the currently research of the USI applications and their benefits for the diagnosis and management in individuals with musculoskeletal conditions.
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Affiliation(s)
- Carlos Romero-Morales
- Faculty of Sport Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, 28670, Madrid, Spain
| | - María Bravo-Aguilar
- Faculty of Sport Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, 28670, Madrid, Spain
| | - Beatriz Ruiz-Ruiz
- Research, Health and Podiatry Group, Department of Health Sciences, Faculty of Nursing and Podiatry, Universidade da Coruña, 15403, Ferrol, Spain
| | - Jaime Almazán-Polo
- Faculty of Sport Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, 28670, Madrid, Spain
| | - Daniel López-López
- Research, Health and Podiatry Group, Department of Health Sciences, Faculty of Nursing and Podiatry, Universidade da Coruña, 15403, Ferrol, Spain.
| | - María Blanco-Morales
- Faculty of Sport Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, 28670, Madrid, Spain
| | - Patricia Téllez-González
- Faculty of Sport Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, 28670, Madrid, Spain
| | - César Calvo-Lobo
- Facultad de Enfermería, Fisioterapia y Podología, Universidad Complutense de Madrid, 28040, Madrid, Spain
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Boussuges A, Rives S, Finance J, Brégeon F. Assessment of diaphragmatic function by ultrasonography: Current approach and perspectives. World J Clin Cases 2020; 8:2408-2424. [PMID: 32607319 PMCID: PMC7322428 DOI: 10.12998/wjcc.v8.i12.2408] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 05/19/2020] [Accepted: 06/02/2020] [Indexed: 02/05/2023] Open
Abstract
This article reports the various methods used to assess diaphragmatic function by ultrasonography. The excursions of the two hemidiaphragms can be measured using two-dimensional or M-mode ultrasonography, during respiratory maneuvers such as quiet breathing, voluntary sniffing and deep inspiration. On the zone of apposition to the rib cage for both hemidiaphragms, it is possible to measure the thickness on expiration and during deep breathing to assess the percentage of thickening during inspiration. These two approaches make it possible to assess the quality of the diaphragmatic function and the diagnosis of diaphragmatic paralysis or dysfunction. These methods are particularly useful in circumstances where there is a high risk of phrenic nerve injury or in diseases affecting the contractility or the motion of the diaphragm such as neuro-muscular diseases. Recent methods such as speckle tracking imaging and ultrasound shear wave elastography should provide more detailed information for better assessment of diaphragmatic function.
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Affiliation(s)
- Alain Boussuges
- Institut de Recherche Biomédicale des Armées, ERRSO, Toulon 83800, France
- Center for Cardiovascular and Nutrition Research (C2VN), Aix Marseille Université, INSERM (1260), INRAE (1263), Toulon 83800, France
| | - Sarah Rives
- Institut de Recherche Biomédicale des Armées, ERRSO, Toulon 83800, France
| | - Julie Finance
- Service d’Explorations Fonctionnelles Respiratoires, CHU Nord, Assistance Publique des Hôpitaux de Marseille et Aix Marseille Université, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille 13015, France
| | - Fabienne Brégeon
- Service d’Explorations Fonctionnelles Respiratoires, CHU Nord, Assistance Publique des Hôpitaux de Marseille et Aix Marseille Université, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille 13015, France
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Relationship between the fall in blood pressure in the standing position and diaphragmatic muscle thickness: proof of concept study. Blood Press Monit 2020; 24:284-288. [PMID: 31567294 DOI: 10.1097/mbp.0000000000000403] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND The diaphragm is an important muscle of respiration, and regulates the intrathoracic pressure. Blood pressure is regulated by the baroreceptor reflex system, and is also affected by intrathoracic pressure. We examined the relationship between the diaphragmatic muscle thickness and the degree of drop in blood pressure in the standing position. METHODS We prospectively studied 15 healthy subjects. The diaphragmatic muscle thickness was measured using a B-mode ultrasonic imaging device. The blood pressure before and after standing was measured by a head-up tilt test. RESULTS The diastolic blood pressure difference during expiration and inspiration showed a significant correlation with the diaphragmatic muscle thickness (r = 0.578, P = 0.024 and r = 0.518, P = 0.048, respectively). CONCLUSION The diaphragmatic muscle thickness was related to the fall in diastolic blood pressure in the standing position. This indicates that adequate diaphragmatic muscle thickness helps to maintain intrathoracic pressure and prevents excessive drop in blood pressure in the standing position.
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