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Jones CA, Lagus JF, Abdelhalim SM, Osborn CM, Colevas SM, McCulloch TM. Normative High-Resolution Pharyngeal Manometry: Impact of Age, Size of System, and Sex on Primary Metrics and Pressure Stability. Dysphagia 2024; 39:648-665. [PMID: 38231239 DOI: 10.1007/s00455-023-10647-1] [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: 04/18/2023] [Accepted: 11/16/2023] [Indexed: 01/18/2024]
Abstract
There have been many reports of normative pharyngeal swallowing pressures using high-resolution pharyngeal manometry, but there is a fair amount of between-subject variance in reported pressure parameters. The purpose of this study was to put forward normative pharyngeal high-resolution manometry measures across the lifespan and investigate the effects of age, size of system, and sex. High-resolution pharyngeal manometry was performed on 98 healthy adults (43 males) between the ages 21 and 89. Pressure duration, maxima, integral, and within-individual variability metrics were averaged over 10 swallows of 10-ml thin liquid. Multiple linear and logistic regressions with model fitting were used to examine how pharyngeal pressures relate to age, pharyngeal size, and sex. Age was associated with tongue base maximum pressure, tongue base maximum variability, and upper esophageal sphincter-integrated relaxation pressure (F3,92 = 6.69; p < 0.001; adjusted R2 = 0.15). Pharyngeal area during bolus hold was associated with velopharynx integral (F1,89 = 5.362; p = 0.02; adjusted R2 = 0.05), and there was no significant model relating pharyngeal pressures to C2-C4 length (p < 0.05). Sex differences were best described by tongue base integral and hypopharynx maximum variability (χ2 = 10.27; p = 0.006; pseudo R2 = 0.14). Normative data reveal the distribution of swallow pressure metrics which need to be accounted for when addressing dysphagia patients, the importance of pressure interactions in normal swallow, and address the relative stability of swallow metrics with normal aging.
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Affiliation(s)
- Corinne A Jones
- Department of Speech, Language, and Hearing Sciences, Moody College of Communication, The University of Texas at Austin, Austin, TX, USA
- Department of Neurology, Dell Medical School, The University of Texas at Austin, 1601 Trinity St. Bldg. B, Stop Z0700, Austin, TX, 78712, USA
- Department of Surgery, Division of Otolaryngology-Head & Neck Surgery, School of Medicine and Public Health, University of WI - Madison, K4/710 CSC, 600 Highland Ave, Madison, WI, 53792, USA
| | - Jilliane F Lagus
- Department of Speech, Language, and Hearing Sciences, Moody College of Communication, The University of Texas at Austin, Austin, TX, USA
| | - Suzan M Abdelhalim
- Department of Surgery, Division of Otolaryngology-Head & Neck Surgery, School of Medicine and Public Health, University of WI - Madison, K4/710 CSC, 600 Highland Ave, Madison, WI, 53792, USA
| | - Caroline M Osborn
- Department of Speech, Language, and Hearing Sciences, Moody College of Communication, The University of Texas at Austin, Austin, TX, USA
| | - Sophia M Colevas
- Department of Surgery, Division of Otolaryngology-Head & Neck Surgery, School of Medicine and Public Health, University of WI - Madison, K4/710 CSC, 600 Highland Ave, Madison, WI, 53792, USA
| | - Timothy M McCulloch
- Department of Surgery, Division of Otolaryngology-Head & Neck Surgery, School of Medicine and Public Health, University of WI - Madison, K4/710 CSC, 600 Highland Ave, Madison, WI, 53792, USA.
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Huang Z, Ding C, Huang X, Sun C, Zhong L. Exposure to 10 Hz Pulsed Magnetic Field Induced Slight Apoptosis and Reactive Oxygen Species in Primary Human Gingival Fibroblasts. Bioelectromagnetics 2022; 43:476-490. [PMID: 36490205 DOI: 10.1002/bem.22428] [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: 03/04/2022] [Revised: 10/04/2022] [Accepted: 11/09/2022] [Indexed: 12/13/2022]
Abstract
Extremely low frequency pulsed magnetic fields (MFs) have been increasingly used as an effective method in oral therapy, but its potential impact on health has not been clarified. In this study, we investigated the impact of 10 Hz pulsed MF exposure on primary human gingival fibroblasts (HGFs) derived from eight healthy persons (four males and four females). Cells were exposed to 10 Hz pulsed MFs at 1.0 mT for 24 h. Cell apoptosis, cell cycle progression, intracellular reactive oxygen species levels, DNA damage, and cell proliferation were determined after exposure. The results showed that 10 Hz pulsed MFs exposure have slight effects on cellular apoptosis, cell cycle progression, and DNA damage in primary HGFs from some but not all samples. In addition, no significant effect was found on cell proliferation. © 2022 Bioelectromagnetics Society.
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Affiliation(s)
- Zheng Huang
- Stomatology Center, Affiliated Hospital of Hangzhou Normal University, Hangzhou, China.,School of Stomatology, Hangzhou Normal University, Hangzhou, China
| | - Cheng Ding
- Stomatology Center, Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Xinzhao Huang
- Stomatology Center, Affiliated Hospital of Hangzhou Normal University, Hangzhou, China.,School of Stomatology, Hangzhou Normal University, Hangzhou, China
| | - Chuan Sun
- Zhejiang Provincial Key Lab of Geriatrics & Geriatrics Institute of Zhejiang Province, Department of Geriatrics, Zhejiang Hospital, Hangzhou, China
| | - Liangjun Zhong
- Stomatology Center, Affiliated Hospital of Hangzhou Normal University, Hangzhou, China.,School of Stomatology, Hangzhou Normal University, Hangzhou, China
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Hwang NK, Park JS, Choi JB, Jung YJ. Effect of Peripheral Magnetic Stimulation for Dysphagia Rehabilitation: A Systematic Review. Nutrients 2022; 14:3514. [PMID: 36079772 PMCID: PMC9460190 DOI: 10.3390/nu14173514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 08/25/2022] [Indexed: 11/19/2022] Open
Abstract
Recently, a therapeutic method to stimulate the suprahyoid muscle using peripheral magnetic stimulation for dysphagia rehabilitation has been reported. However, clinical evidence, application protocol, and intervention method remain unclear. Therefore, a systematic review of the published literature is needed. The objective of this study was to systematically review clinical studies of peripheral magnetic stimulation applied for rehabilitation of dysphagia. Issues to be considered in future studies are also suggested. This systematic review performed a literature search of four databases (Medline, Embase, CINAHL, and Web of Science) to identify relevant studies published on the application of repetitive peripheral magnetic stimulation (rPMS) for swallowing-related muscles between 2010 and 2022. Seven studies were reviewed. Randomized controlled trials and one-group pre-post, case study designs were included. In the included studies, rPMS was applied to strengthen the submental suprahyoid muscles. The intervention regime varied. The rPMS was applied at a frequency of 30 Hz for 2 s. Rest time ranged from 8 s to 27-28 s. The number of intervention sessions ranged from 2-3 to 30. The intensity ranged from pain-inducing minimum intensity (90% of maximum stimulus output) to non-painful intensity (70-80% of maximum intensity). The rPMS on the suprahyoid muscles had positive effects on physiological changes in the swallowing function, such as displacement of the hyoid bone, muscle strength (cervical flexor, jaw-opening force), swallowing safety, swallowing performance, and swallowing-related quality of life. Participants also reported little pain and adverse reactions during rPMS. Although rPMS is a therapeutic option that can help improve the swallowing function as a non-invasive stimulation method in the rehabilitation of dysphagia, clinical evidence is needed for the development of clear stimulation protocols and guidelines.
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Affiliation(s)
- Na-Kyoung Hwang
- Department of Occupational Therapy, Seoul North Municipal Hospital, Seoul 02062, Korea
| | - Ji-Su Park
- Research Institute for Korean Medicine, Pusan National University, Yangsan 50612, Korea
| | - Jong-Bae Choi
- Department of Occupational Therapy, Sangji University, Wonju 26339, Korea
| | - Young-Jin Jung
- School of Healthcare and Biomedical Engineering, Chonnam National University, Yeosu 59626, Korea
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