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Shieh WY, Khan MA, Shieh YC. Developing a Swallow-State Monitoring System Using Nasal Airflow, Surface Electromyography, and Thyroid Cartilage Movement Detection. Bioengineering (Basel) 2024; 11:721. [PMID: 39061803 PMCID: PMC11273551 DOI: 10.3390/bioengineering11070721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Revised: 07/11/2024] [Accepted: 07/14/2024] [Indexed: 07/28/2024] Open
Abstract
The safe ingestion of food and water requires appropriate coordination between the respiratory and swallowing pathways. This coordination can be disrupted because of aging or various diseases, thereby resulting in swallowing disorders. No comparative research has been conducted on methods for effectively screening swallowing disorders in individuals and providing timely alerts to their caregivers. Therefore, the present study developed a monitoring and alert system for swallowing disorders by using three types of noninvasive sensors, namely those measuring nasal airflow, surface electromyography signals, and thyroid cartilage movement. Two groups of participants, one comprising healthy individuals (58 participants; mean age 49.4 years) and another consisting of individuals with a history of unilateral stroke (21 participants; mean age 54.4 years), were monitored when they swallowed five volumes of water. Through an analysis of the data from both groups, seven indicators of swallowing disorders were identified, and the proposed system characterized the individual's swallowing state as having a green (safe), yellow (unsafe), or red (highly unsafe) status on the basis of these indicators. The results indicated that the symptoms of swallowing disorders are detectable. Healthcare professionals can then use these data to conduct assessments, perform screening, and provide nutrient intake suggestions.
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Affiliation(s)
- Wann-Yun Shieh
- Department of Computer Science and Information Engineering, College of Engineering, Chang Gung University, No. 259, Wen-Hwa 1st Road, Kwei-Shan, Taoyuan 333, Taiwan;
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, 5 Fu-Hsing Street, Kwei-Shan, Taoyuan 333, Taiwan
| | - Mohammad Anwar Khan
- Department of Computer Science and Information Engineering, College of Engineering, Chang Gung University, No. 259, Wen-Hwa 1st Road, Kwei-Shan, Taoyuan 333, Taiwan;
| | - Ya-Cheng Shieh
- Department of Computer Science, University of Illinois Urbana-Champaign, 201 North Goodwin Avenue, Urbana, IL 61801, USA;
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Yoshida T, Yagi N, Ogawa T, Nakanome A, Ohkoshi A, Katori Y, Oku Y. Breathing-Swallowing discoordination after definitive chemoradiotherapy for head and neck cancers is associated with aspiration pneumonia. PLoS One 2024; 19:e0305560. [PMID: 38990865 PMCID: PMC11238977 DOI: 10.1371/journal.pone.0305560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 05/31/2024] [Indexed: 07/13/2024] Open
Abstract
PURPOSE Swallowing dysfunction and the risk of aspiration pneumonia are frequent clinical problems in the treatment of head and neck squamous cell carcinomas (HNSCCs). Breathing-swallowing coordination is an important factor in evaluating the risk of aspiration pneumonia. To investigate breathing-swallowing discoordination after chemoradiotherapy (CRT), we monitored respiration and swallowing activity before and after CRT in patients with HNSCCs. METHODS Non-invasive swallowing monitoring was prospectively performed in 25 patients with HNSCCs treated with CRT and grade 1 or lower radiation-induced dermatitis. Videoendoscopy, videofluoroscopy, Food Intake LEVEL Scale, and patient-reported swallowing difficulties were assessed. RESULTS Of the 25 patients selected for this study, four dropped out due to radiation-induced dermatitis. The remaining 21 patients were analyzed using a monitoring system before and after CRT. For each of the 21 patients, 405 swallows were analyzed. Swallowing latency and pause duration after the CRT were significantly extended compared to those before the CRT. In the analysis of each swallowing pattern, swallowing immediately followed by inspiration (SW-I pattern), reflecting breathing-swallowing discoordination, was observed more frequently after CRT (p = 0.0001). In 11 patients, the SW-I pattern was observed more frequently compared to that before the CRT (p = 0.00139). One patient developed aspiration pneumonia at 12 and 23 months after the CRT. CONCLUSION The results of this preliminary study indicate that breathing-swallowing discoordination tends to increase after CRT and could be involved in aspiration pneumonia. This non-invasive method may be useful for screening swallowing dysfunction and its potential risks.
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Affiliation(s)
- Takuya Yoshida
- Department of Otolaryngology, Iwate Prefectural Iwai Hospital, Ichinoseki, Iwate, Japan
- Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Naomi Yagi
- Advanced Medical Engineering Research Institute, University of Hyogo, Himeji, Hyogo, Japan
| | - Takenori Ogawa
- Department of Otolaryngology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Ayako Nakanome
- Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Akira Ohkoshi
- Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Yukio Katori
- Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Yoshitaka Oku
- Department of Physiology, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan
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Kadono T, Noguchi H. Identification of Respiratory Pauses during Swallowing by Unconstrained Measuring Using Millimeter Wave Radar. SENSORS (BASEL, SWITZERLAND) 2024; 24:3748. [PMID: 38931536 PMCID: PMC11207369 DOI: 10.3390/s24123748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 06/02/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024]
Abstract
Breathing temporarily pauses during swallowing, and the occurrence of inspiration before and after these pauses may increase the likelihood of aspiration, a serious health problem in older adults. Therefore, the automatic detection of these pauses without constraints is important. We propose methods for measuring respiratory movements during swallowing using millimeter wave radar to detect these pauses. The experiment involved 20 healthy adult participants. The results showed a correlation of 0.71 with the measurement data obtained from a band-type sensor used as a reference, demonstrating the potential to measure chest movements associated with respiration using a non-contact method. Additionally, temporary respiratory pauses caused by swallowing were confirmed by the measured data. Furthermore, using machine learning, the presence of respiring alone was detected with an accuracy of 88.5%, which is higher than that reported in previous studies. Respiring and temporary respiratory pauses caused by swallowing were also detected, with a macro-averaged F1 score of 66.4%. Although there is room for improvement in temporary pause detection, this study demonstrates the potential for measuring respiratory movements during swallowing using millimeter wave radar and a machine learning method.
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Affiliation(s)
| | - Hiroshi Noguchi
- Graduate School of Engineering, Osaka Metropolitan University, 1-1 Gakuencho, Nakaku, Osaka 599-8531, Japan
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Martin-Harris B, Kantarcigil C, Reedy EL, McFarland DH. Cross-System Integration of Respiration and Deglutition: Function, Treatment, and Future Directions. Dysphagia 2023; 38:1049-1058. [PMID: 36378345 PMCID: PMC10266896 DOI: 10.1007/s00455-022-10538-x] [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: 08/01/2022] [Accepted: 10/26/2022] [Indexed: 11/16/2022]
Abstract
Swallowing occurs preferentially in the expiratory phase of the quiet breathing cycle and at mid-to-low tidal volume. This coordinative pattern imparts important biomechanical advantages to swallowing and airway protection and facilitate laryngeal elevation, laryngeal vestibular and vocal fold closure, and cricopharyngeal sphincter opening. This preferred coordinative relationship between breathing and swallowing is impaired in a variety of patient populations, including head and neck cancer survivors with dysphagia. We developed a training protocol to re-establish more optimal phasing of swallowing with breathing in these patients with striking outcomes, including reduced swallowing physiological impairments and improved airway protection. This motivated us to continue to refine and expand this training protocol and develop new assistive technologies for swallowing monitoring outside of the lab. In this review, we highlight the origins of our optimal respiratory-swallowing coordination hypothesis, describe the biomechanical advantages it provides, carefully describe our training protocol and findings, and chart a course for the next phase of this work. Our overall goal is to harness technology combined with carefully constructed learning paradigms to improve the lives of patients with impaired respiratory-swallowing coordination consequent to a variety of pathologies including head and neck cancer and degenerative neurological conditions such as Parkinson's disease.
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Affiliation(s)
- Bonnie Martin-Harris
- Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, School of Communication, Northwestern University, 2240 Campus Drive, Evanston, IL, 60208, USA.
- Otolaryngology - Head & Neck Surgery, Radiation Oncology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
- Veterans Affairs Medical Center, Edward J. Hines, Jr., Hines, IL, USA.
| | - Cagla Kantarcigil
- Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, School of Communication, Northwestern University, 2240 Campus Drive, Evanston, IL, 60208, USA
| | - Erin L Reedy
- Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, School of Communication, Northwestern University, 2240 Campus Drive, Evanston, IL, 60208, USA
- Veterans Affairs Medical Center, Edward J. Hines, Jr., Hines, IL, USA
| | - David H McFarland
- Faculties of Medicine, Université de Montréal and McGill University, Montreal, CA, USA
- Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine, Montreal, CA, USA
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Theytaz F, Vuistiner A, Schweizer V, Crépin A, Sandu K, Chaouch A, Piquilloud L, Lecciso G, Coombes K, Diserens K. Feasibility study of the Nox-T3 device to detect swallowing and respiration pattern in neurologically impaired patients in the acute phase. Sci Rep 2023; 13:7325. [PMID: 37147335 PMCID: PMC10163003 DOI: 10.1038/s41598-023-32628-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Accepted: 03/30/2023] [Indexed: 05/07/2023] Open
Abstract
Dysphagia is a frequent complication in neurologically impaired patients, which can lead to aspiration pneumonia and thus prolonged hospitalization or even death. It is essential therefore, to detect and assess dysphagia early for best patient care. Fiberoptic endoscopic and Videofluoroscopy evaluation of swallowing are the gold standard exams in swallowing studies but neither are perfectly suitable for patients with disorders of consciousness (DOC). In this study, we aimed to find the sensitivity and specificity of the Nox-T3 sleep monitor for detection of swallowing. A combination of submental and peri-laryngeal surface electromyography, nasal cannulas and respiratory inductance plethysmography belts connected to Nox-T 3 allows recording swallowing events and their coordination with breathing, providing time-coordinated patterns of muscular and respiratory activity. We compared Nox-T3 swallowing capture to manual swallowing detection on fourteen DOC patients. The Nox-T3 method identified swallow events with a sensitivity of 95% and a specificity of 99%. In addition, Nox-T3 has qualitative contributions, such as visualization of the swallowing apnea in the respiratory cycle which provide additional information on the swallowing act that is useful to clinicians in the management and rehabilitation of the patient. These results suggest that Nox-T3 could be used for swallowing detection in DOC patients and support its continued clinical use for swallowing disorder investigation.
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Affiliation(s)
- Fanny Theytaz
- University of Lausanne, 1015, Lausanne, Switzerland.
- Hôpital Fribourgeois, 1752, Villars-sur-Glâne, Switzerland.
| | - Aline Vuistiner
- Phoniatrics and Speech Therapy Unit, Lausanne University Hospital (CHUV), Rue du Bugnon, 46, 1011, Lausanne, Switzerland
| | - Valérie Schweizer
- Phoniatrics and Speech Therapy Unit, Lausanne University Hospital (CHUV), Rue du Bugnon, 46, 1011, Lausanne, Switzerland
| | - Adélie Crépin
- Phoniatrics and Speech Therapy Unit, Lausanne University Hospital (CHUV), Rue du Bugnon, 46, 1011, Lausanne, Switzerland
- Centre Hospitalier du Valais Romand, 1951, Sion, Switzerland
| | - Kishore Sandu
- Airway Unit, Department of Otorhino-Laryngology and Head and Neck Surgery, Lausanne University Hospital (CHUV), Rue du Bugnon, 46, 1011, Lausanne, Switzerland
| | - Aziz Chaouch
- Division of Biostatistics, Center for Primary Care and Public Health (Unisanté), University of Lausanne, Lausanne, Switzerland
| | - Lise Piquilloud
- Adult Intensive Care Unit, Lausanne University Hospital (CHUV), Rue du Bugnon, 46, 1011, Lausanne, Switzerland
| | - Gianpaolo Lecciso
- Centre d'investigation et de Recherche sur le Sommeil, Rue du Bugnon 46, 1011, Lausanne, Switzerland
| | - Kay Coombes
- ARCOS, Malvern Centre, Hatherton Lodge, Avenue Road, Malvern Worcestershire, WR14 3AG, UK
| | - Karin Diserens
- Acute Neurorehabilitation Unit, Neurology Service, Department of Clinical Neurosciences, Lausanne University Hospital (CHUV), Rue du Bugnon, 46, 1011, Lausanne, Switzerland
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Rangwala R, Saadi R, Lee JJ, Reedy EL, Kantarcigil C, Roberts M, Martin-Harris B. Respiratory-Swallow Coordination in Individuals with Parkinson's Disease: A Systematic Review and Meta-Analysis. JOURNAL OF PARKINSON'S DISEASE 2023; 13:681-698. [PMID: 37393516 PMCID: PMC10473138 DOI: 10.3233/jpd-230057] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/05/2023] [Indexed: 07/03/2023]
Abstract
BACKGROUND Swallowing impairment, including altered physiology and aspiration, occur across the progression of Parkinson's disease (PD). The phase of respiration during which a swallow is initiated has been linked to swallowing impairment and aspiration in cohorts with dysphagia following stroke and head and neck cancer treatment, but has been understudied in PD. If similar findings are shown in individuals with PD, the implications for swallowing assessment and treatment are significant. OBJECTIVE The aim of this systematic review and meta-analysis of literature was to examine respiratory-swallow coordination measures and potential implications on swallowing physiology in individuals with PD. METHODS An extensive search of 7 databases (PubMed, EMBASE, Central, Web of Science, ProQuest Dissertations & Theses, Scopus, and CINAHL) with predetermined search terms was conducted. Inclusion criteria were individuals with PD and the use of objective evaluations of respiratory-swallow coordination. RESULTS Of the 13,760 articles identified, 11 met the inclusion criteria. This review supports the presence of atypical respiratory swallow patterning, respiratory pause duration and lung volume at swallow initiation in individuals with PD. The meta-analysis estimated an occurrence of 60% of non-expiration-expiration and 40% of expiration-expiration respiratory phase patterns surrounding swallowing. CONCLUSION Although this systematic review supports the occurrence of atypical respiratory-swallow coordination in individuals with PD, the evidence is limited by the variability in the methods of data acquisition, analysis, and reporting. Future research examining the impact of respiratory swallow coordination on swallowing impairment and airway protection using consistent, comparable, and reproducible methods and metrics in individuals with PD is warranted.
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Affiliation(s)
- Rabab Rangwala
- Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, School of Communication, Northwestern University, Evanston, IL, USA
| | - Raneh Saadi
- Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, School of Communication, Northwestern University, Evanston, IL, USA
| | - Jungwha Julia Lee
- Preventive Medicine (Biostatistics), Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Erin L. Reedy
- Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, School of Communication, Northwestern University, Evanston, IL, USA
- Edward J. Hines, Jr. Veterans Affairs Medical Center, Hines, IL, USA
| | - Cagla Kantarcigil
- Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, School of Communication, Northwestern University, Evanston, IL, USA
| | - Megan Roberts
- Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, School of Communication, Northwestern University, Evanston, IL, USA
| | - Bonnie Martin-Harris
- Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, School of Communication, Northwestern University, Evanston, IL, USA
- Otolaryngology - Head & Neck Surgery, Radiation Oncology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Edward J. Hines, Jr. Veterans Affairs Medical Center, Hines, IL, USA
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Wang CM, Wang CJ, Shieh WY, Chen YC, Cheng WJ, Chang WH. Correlation of Temporal Parameters of Laryngeal Excursion by Using Force-Sensing Resistor Sensors with Hyoid Motion in Videofluoroscopic Swallowing Study. Dysphagia 2020; 36:183-191. [PMID: 32347417 PMCID: PMC8004505 DOI: 10.1007/s00455-020-10121-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 04/23/2020] [Indexed: 11/29/2022]
Abstract
Small flexible force-sensing resistor (FSR) sensors can detect laryngeal excursion during swallowing, but the detected laryngeal excursion has not been correlated with videofluoroscopic swallowing study (VFSS) results. Here, we tested the correlation of temporal parameters between the laryngeal excursion recording by FSR sensor and the hyoid motion recording by VFSS under simultaneously swallowing test recordings. Swallowing measurements were recorded in a radiological suite by simultaneously using VFSS and FSR sensors to detect hyoid motion and laryngeal excursion, respectively. Volunteers sat with their head vertical to the Frankfort plane. Two FSR sensors, each for detecting thyroid cartilage excursion and thumb pressing, were placed. VFSS images and FSR sensor signals during single 5-mL barium liquid (30% wt/volume %) bolus swallowing were collected and analyzed for four swallows per participant. In total, 15 men (28.0 ± 4.1 years old); 14 women (28.4 ± 4.2 years old) were recruited. Temporal parameters between VFSS and noninvasive system demonstrated a strong correlation by Pearson's correlation analysis: in men (R = 0.953-0.999) and in women (R = 0.813-0.982), except for VT1-V1 compared with FT1-F1, which demonstrated a moderate correlation in women (R = 0.648; all p < 0.001). Only VT1-V1 and FT1-F1 in women displayed a significant difference (p = 0.001). Therefore, this is the first study to simultaneous record VFSS and noninvasive signals by FSR sensor. The correlation of temporal parameters between these two tests was strong. This finding is valuable for future applications of this noninvasive swallowing study tool.
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Affiliation(s)
- Chin-Man Wang
- Department of Physical Medicine and Rehabilitation, Linkou Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Gueishan District, No.5, Fu-Hsing Street, Taoyuan City, 33305, Taiwan R.O.C..
| | - Chao-Jan Wang
- Department of Medical Image and Intervention, Linkou Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Taoyuan City, Taiwan R.O.C
| | - Wann-Yun Shieh
- Department of Computer Science and Information Engineering, Chang Gung University, Gueishan District, No. 259, Wen-Hwa 1st Road, Taoyuan City, Taiwan R.O.C..
| | - Yen-Chia Chen
- Department of Physical Medicine and Rehabilitation, Linkou Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Gueishan District, No.5, Fu-Hsing Street, Taoyuan City, 33305, Taiwan R.O.C
| | - Wei-Jen Cheng
- Department of Physical Medicine and Rehabilitation, Linkou Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Gueishan District, No.5, Fu-Hsing Street, Taoyuan City, 33305, Taiwan R.O.C
| | - Wei-Han Chang
- Department of Physical Medicine and Rehabilitation, Linkou Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Gueishan District, No.5, Fu-Hsing Street, Taoyuan City, 33305, Taiwan R.O.C
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Oku Y. Coordination of Swallowing and Breathing: How Is the Respiratory Control System Connected to the Swallowing System? STRUCTURE-FUNCTION RELATIONSHIPS IN VARIOUS RESPIRATORY SYSTEMS 2020. [DOI: 10.1007/978-981-15-5596-1_3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Hori R, Ishida R, Isaka M, Nakamura T, Oku Y. Effects of noninvasive ventilation on the coordination between breathing and swallowing in patients with chronic obstructive pulmonary disease. Int J Chron Obstruct Pulmon Dis 2019; 14:1485-1494. [PMID: 31371935 PMCID: PMC6627177 DOI: 10.2147/copd.s205543] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 06/14/2019] [Indexed: 01/13/2023] Open
Abstract
Purpose As shown in our previous study, inspiration after swallowing (SW-I) increases during the bi-level positive airway pressure ventilation (BiPAP) in healthy subjects because swallowing-associated non-inspiratory flow (SNIF) triggers inspiratory support, while SW-I during continuous positive pressure ventilation (CPAP) is rare. In the present study, we evaluated the coordination between breathing and swallowing during spontaneous breathing, BiPAP, and CPAP in patients with chronic obstructive pulmonary disease (COPD). Patients and methods This study is a prospective intervention study at the Hoshigaoka Medical Center (November 01, 2015–April 30, 2018). We simultaneously recorded the respiratory flow, laryngeal motion, and swallowing sounds during saliva swallowing in patients with COPD. We estimated the respiratory phase after swallowing, frequency of SNIF, the duration of the respiratory pause during swallowing, and timing of swallowing in the respiratory cycle and compared these parameters among control, CPAP, and BiPAP conditions. Results The expiration after swallowing (SW-E) frequency was associated with the occurrence of SNIF (p<0.01), pause duration ≤0.8 s (p<0.01), and timing of swallowing at the intermediate respiratory phase (50–80% of the respiratory cycle from the onset of inspiration) (p<0.01). In particular, the occurrence of SNIF most substantially affected the SW-E frequency. The SW-I frequencies under the control, CPAP, and BiPAP conditions were 35.0%, 3.0%, and 37.7%, respectively. The pause durations were shorter during CPAP and BiPAP than under the control condition (p<0.01). During CPAP, the occurrence rates of SW-E. Residual denotes the percentage difference between observed and expected values (residual =10.8: p<0.01) and SNIF (residual =9.1: p<0.01) were significantly increased, and timing of swallowing shifted toward the intermediate respiratory phase (residual=3.5: p<0.01). Conclusion CPAP decreases the SW-I frequency, increases the SNIF occurrence, and normalizes the timing of swallowing, all of which suggest that CPAP alleviates the risk of aspiration in patients with COPD.
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Affiliation(s)
- Ryuji Hori
- Department of Physical Therapy, Morinomiya University of Medical Science, Suminoe-ku, Osaka 559-8611, Japan.,Department of Rehabilitation, Hoshigaoka Medical Center, Hirakata, Osaka 573-8511, Japan
| | - Rika Ishida
- Department of Physical Therapy, Morinomiya University of Medical Science, Suminoe-ku, Osaka 559-8611, Japan
| | - Masaaki Isaka
- Department of Physical Therapy, Osaka Yukioka College of Health Science, Ibaraki, Osaka 567-0801, Japan
| | - Takahito Nakamura
- Center of Respiratory Disease, Hoshigaoka Medical Center, Hirakata, Osaka 573-8511, Japan
| | - Yoshitaka Oku
- Department of Physiology, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan
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Using Wearable and Non-Invasive Sensors to Measure Swallowing Function: Detection, Verification, and Clinical Application. SENSORS 2019; 19:s19112624. [PMID: 31181864 PMCID: PMC6603715 DOI: 10.3390/s19112624] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 06/06/2019] [Accepted: 06/07/2019] [Indexed: 11/17/2022]
Abstract
BACKGROUND A widely used method for assessing swallowing dysfunction is the videofluoroscopic swallow study (VFSS) examination. However, this method has a risk of radiation exposure. Therefore, using wearable, non-invasive and radiation-free sensors to assess swallowing function has become a research trend. This study addresses the use of a surface electromyography sensor, a nasal airflow sensor, and a force sensing resistor sensor to monitor the coordination of respiration and larynx movement which are considered the major indicators of the swallowing function. The demand for an autodetection program that identifies the swallowing patterns from multiple sensors is raised. The main goal of this study is to show that the sensor-based measurement using the proposed detection program is able to detect early-stage swallowing disorders, which specifically, are useful for the assessment of the coordination between swallowing and respiration. METHODS Three sensors were used to collect the signals from submental muscle, nasal cavity, and thyroid cartilage, respectively, during swallowing. An analytic swallowing model was proposed based on these sensors. A set of temporal parameters related to the swallowing events in this model were defined and measured by an autodetection algorithm. The verification of this algorithm was accomplished by comparing the results from the sensors with the results from the VFSS. A clinical application of the long-term smoking effect on the swallowing function was detected by the proposed sensors and the program. RESULTS The verification results showed that the swallowing patterns obtained from the sensors strongly correlated with the laryngeal movement monitored from the VFSS. The temporal parameters measured from these two methods had insignificant delays which were all smaller than 0.03 s. In the smoking effect application, this study showed that the differences between the swallowing function of smoking and nonsmoking participants, as well as their disorders, is revealed by the sensor-based method without the VFSS examination. CONCLUSIONS This study showed that the sensor-based non-invasive measurement with the proposed detection algorithm is a viable method for temporal parameter measurement of the swallowing function.
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Hopkins-Rossabi T, Curtis P, Temenak M, Miller C, Martin-Harris B. Respiratory Phase and Lung Volume Patterns During Swallowing in Healthy Adults: A Systematic Review and Meta-Analysis. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2019; 62:868-882. [PMID: 30964715 PMCID: PMC6802879 DOI: 10.1044/2018_jslhr-s-18-0323] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 10/24/2018] [Accepted: 11/20/2018] [Indexed: 05/22/2023]
Abstract
Purpose The coordination of respiration with swallowing is critical for facilitation of airway protection and the efficiency of movements that propel ingested material through the upper aerodigestive tract. Confirmation of a predominant pattern in healthy adults provides a platform for comparison to aberrant patterns observed in the population with swallowing impairment (dysphagia). Method A comprehensive search of published research in MEDLINE via PubMed 1946-2018, Embase 1947-2018, and Proquest Dissertations & Theses Global 1861-2018 was completed. Results Thirty-seven articles meeting inclusion criteria were selected for data extraction, and the findings were reviewed. In addition, a meta-analysis of the data was completed. A significantly higher occurrence ( p < .001) of expiration prior to and following the swallow was found when compared to 3 other patterns. The predominance of the pattern was influenced by increases in bolus volume when controlling for participant sample size. Conclusion Determination of this predominant pattern provides a normative framework for evaluating respiratory-swallow coordination in adults across the age span and highlights the relevance for assessing and incorporating respiratory swallowing coordination during assessment and interventions.
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Affiliation(s)
| | - Philip Curtis
- Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL
| | - Mark Temenak
- Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL
| | - Corinne Miller
- Galter Health Sciences Library, Feinberg School of Medicine, Northwestern University, Chicago, IL
| | - Bonnie Martin-Harris
- Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL
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Wang CM, Shieh WY, Ho CS, Hu YW, Wu YR. Home-Based Orolingual Exercise Improves the Coordination of Swallowing and Respiration in Early Parkinson Disease: A Quasi-Experimental Before-and-After Exercise Program Study. Front Neurol 2018; 9:624. [PMID: 30104999 PMCID: PMC6077208 DOI: 10.3389/fneur.2018.00624] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 07/10/2018] [Indexed: 01/04/2023] Open
Abstract
Introduction: The coordination of swallowing and respiration is important for safety swallowing without aspiration. This coordination was affected in Parkinson disease (PD). A noninvasive assessment tool was used to investigate the effect of an easy-to-perform and device-free home-based orolingual exercise (OLE) program on swallowing and respiration coordination in patients with early-stage PD. Materials and Methods: This study had a quasi-experimental before-and-after exercise program design. Twenty six patients with early-stage PD who were aged 62.12 ± 8.52 years completed a 12-week home-based OLE program. A noninvasive assessment tool was used to evaluate swallowing and respiration. For each patient, we recorded and analyzed 15 swallows (3 repeats of 5 water boluses: 1, 3, 5, 10, and 20 mL) before and after the home-based OLE program. Oropharyngeal swallowing and its coordination with respiration were the outcome measures. The frequency of piecemeal deglutition, pre- and post-swallowing respiratory phase patterns, and parameters of oropharyngeal swallowing and respiratory signals (swallowing respiratory pause [SRP], onset latency [OL], total excursion time [TET], excursion time [ET], second deflexion, amplitude, and duration of submental sEMG activity, and amplitude of laryngeal excursion) were examined. Results: The rate of piecemeal deglutition decreased significantly when swallowing 10- and 20-mL water boluses after the program. In the 1-mL water bolus swallowing trial, the rate of protective pre- and post-swallowing respiratory phase patterns was significantly higher after the program. For the parameters of oropharyngeal swallowing and respiratory signals, only the amplitude of laryngeal excursion was significantly lower after the program. Moreover, the volume of the water bolus significantly affected the SRP and duration of submental sEMG when patients swallowed three small water bolus volumes (1, 3, and 5 mL). Conclusion: The home-based OLE program improved swallowing and its coordination with respiration in patients with early-stage PD, as revealed using a noninvasive method. This OLE program can serve as a home-based program to improve swallowing and respiration coordination in patients with early-stage PD.
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Affiliation(s)
- Chin-Man Wang
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Taipei, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Wann-Yun Shieh
- Department of Computer Science and Information Engineering, Chang Gung University, Taoyuan, Taiwan
| | - Chan-Shien Ho
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Taipei, Taiwan
| | - Yu-Wei Hu
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Taipei, Taiwan
| | - Yih-Ru Wu
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Taipei, Taiwan.,College of Medicine, Chang Gung University, Taoyuan, Taiwan
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Yagi N, Oku Y, Nagami S, Yamagata Y, Kayashita J, Ishikawa A, Domen K, Takahashi R. Inappropriate Timing of Swallow in the Respiratory Cycle Causes Breathing-Swallowing Discoordination. Front Physiol 2017; 8:676. [PMID: 28970804 PMCID: PMC5609438 DOI: 10.3389/fphys.2017.00676] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 08/24/2017] [Indexed: 01/13/2023] Open
Abstract
Rationale: Swallowing during inspiration and swallowing immediately followed by inspiration increase the chances of aspiration and may cause disease exacerbation. However, the mechanisms by which such breathing–swallowing discoordination occurs are not well-understood. Objectives: We hypothesized that breathing–swallowing discoordination occurs when the timing of the swallow in the respiratory cycle is inappropriate. To test this hypothesis, we monitored respiration and swallowing activity in healthy subjects and in patients with dysphagia using a non-invasive swallowing monitoring system. Measurements and Main Results: The parameters measured included the timing of swallow in the respiratory cycle, swallowing latency (interval between the onset of respiratory pause and the onset of swallow), pause duration (duration of respiratory pause for swallowing), and the breathing–swallowing coordination pattern. We classified swallows that closely follow inspiration (I) as I-SW, whereas those that precede I as SW-I pattern. Patients with dysphagia had prolonged swallowing latency and pause duration, and tended to have I-SW or SW-I patterns reflecting breathing–swallows discoordination. Conclusions: We conclude that swallows at inappropriate timing in the respiratory cycle cause breathing–swallowing discoordination, and the prolongation of swallowing latency leads to delayed timing of the swallow, and results in an increase in the SW-I pattern in patients with dysphagia.
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Affiliation(s)
- Naomi Yagi
- Department of Swallowing Physiology, Hyogo College of MedicineNishinomiya, Japan.,Department of Neurology, Graduate School of Medicine, Kyoto UniversityKyoto, Japan.,Clinical Research Center for Medical Equipment Development, Kyoto University HospitalKyoto, Japan
| | - Yoshitaka Oku
- Department of Swallowing Physiology, Hyogo College of MedicineNishinomiya, Japan.,Department of Physiology, Hyogo College of MedicineNishinomiya, Japan
| | - Shinsuke Nagami
- Department of Neurology, Graduate School of Medicine, Kyoto UniversityKyoto, Japan.,Clinical Research Center for Medical Equipment Development, Kyoto University HospitalKyoto, Japan.,Department of Physiology, Hyogo College of MedicineNishinomiya, Japan
| | - Yoshie Yamagata
- Department of Health Sciences, Prefectural University of HiroshimaHiroshima, Japan
| | - Jun Kayashita
- Department of Health Sciences, Prefectural University of HiroshimaHiroshima, Japan
| | - Akira Ishikawa
- Graduate School of Health Sciences, Kobe UniversityKobe, Japan
| | - Kazuhisa Domen
- Department of Physical Medicine & Rehabilitation, Hyogo College of MedicineNishinomiya, Japan
| | - Ryosuke Takahashi
- Department of Neurology, Graduate School of Medicine, Kyoto UniversityKyoto, Japan
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Wang CM, Shieh WY, Weng YH, Hsu YH, Wu YR. Non-invasive assessment determine the swallowing and respiration dysfunction in early Parkinson's disease. Parkinsonism Relat Disord 2017; 42:22-27. [DOI: 10.1016/j.parkreldis.2017.05.024] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 05/06/2017] [Accepted: 05/25/2017] [Indexed: 11/30/2022]
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Wang CM, Li HY, Lee LA, Shieh WY, Lin SW. Non-invasive Assessment of Swallowing and Respiration Coordination for the OSA Patient. Dysphagia 2016; 31:771-780. [PMID: 27515710 DOI: 10.1007/s00455-016-9740-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 07/28/2016] [Indexed: 12/14/2022]
Abstract
The objectives of this study are to investigate swallowing and its coordination with respiration in patients with obstructive sleep apnea (OSA). This is a prospective cohort study conducted in a tertiary referred Medical Center. A non-invasive method of assessing swallowing was used to detect the oropharyngeal swallowing parameters and the coordination with respiration during swallowing. The system used to assess swallowing detected: (1) movement of the larynx using a force-sensing resistor; (2) submental muscle activity using surface electromyography; and (3) coordination with respiration by measuring nasal airflow. Five sizes of water boluses (maximum 20 mL) were swallowed three times, and the data recorded and analyzed for each participant. Thirty-nine normal controls and 35 patients with OSA who fulfilled the inclusion criteria were recruited. The oropharyngeal swallowing parameters of the patients differed from the controls, including longer total excursion duration and shorter duration of submental muscles contraction. A longer swallowing respiratory pause (SRP), temporary coordination with respiration during swallowing, was demonstrated in the patients compared with the controls. The frequency of non-expiratory/expiratory pre- and postswallowing respiratory phase patterns of the patients was similar with the controls. There was significantly more piecemeal deglutition in OSA patients when clumping 10- and 20-mL water boluses swallowing together (p = 0.048). Oropharyngeal swallowing and coordination with respiration affected patients with OSA, and it could be detected using a non-invasive method. The results of this study may serve as a baseline for further research and help advance research methods in obstructive sleep apnea swallowing studies.
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Affiliation(s)
- Chin-Man Wang
- Department of Physical Medicine and Rehabilitation, Linkou Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, No.5, Fu-Hsing Street, Gueishan District, Taoyuan City, 33305, Taiwan, ROC.
| | - Hsueh-Yu Li
- Department of Otorhinolaryngology-Head and Neck Surgery, Linkou Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, No.5, Fu-Hsing Street, Gueishan District, Taoyuan City, 33305, Taiwan, ROC.
| | - Li- Ang Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Linkou Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, No.5, Fu-Hsing Street, Gueishan District, Taoyuan City, 33305, Taiwan, ROC
| | - Wann-Yun Shieh
- Department of Computer Science and Information Engineering, Chang Gung University, Taoyuan City, 33305, Taiwan, ROC
| | - Shih-Wei Lin
- Department of Pulmonary and Critical Care Medicine, Linkou Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Taoyuan City, 33305, Taiwan, ROC
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