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Kim JM, Park JE, Baek SJ, Yang SN. Quantitative Analysis of Temporal Parameters Correlated with Aspiration and Lesion Location in Stroke Patients. Dysphagia 2023; 38:1487-1496. [PMID: 37072634 PMCID: PMC10611597 DOI: 10.1007/s00455-023-10575-0] [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: 02/18/2022] [Accepted: 04/03/2023] [Indexed: 04/20/2023]
Abstract
The purpose of this study was to identify differences in temporal parameters correlating to the presence of aspiration and the severity of penetration-aspiration scale (PAS) in patients with dysphagia after stroke. We also investigated whether there was a significant difference in temporal parameters based on the location of the stroke lesion. A total of 91 patient videofluoroscopic swallowing study (VFSS) videos of stroke patients with dysphagia were retrospectively analyzed. Various temporal parameters including oral phase duration, pharyngeal delay time, pharyngeal response time, pharyngeal transit time, laryngeal vestibule closure reaction time, laryngeal vestibule closure duration, upper esophageal sphincter opening duration and upper esophageal sphincter reaction time were measured. Subjects were grouped by the presence of aspiration, PAS score, and location of the stroke lesion. Pharyngeal response time, laryngeal vestibule closure duration, and upper esophageal sphincter opening duration were significantly prolonged in the aspiration group. These three factors showed positive correlation with PAS. In terms of stroke lesion, oral phase duration was significantly prolonged in the supratentorial lesion group, while upper esophageal sphincter opening duration was significantly prolonged in the infratentorial lesion group. We have demonstrated that quantitative temporal analysis of VFSS can be a clinically valuable tool identifying dysphagia pattern associated with stroke lesion or aspiration risk.
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Dorfman L, Jahagirdar V, Kaul S, El-Chammas K, Kaul A. Comprehensive Manometric Evaluation of Dysphagia in Patients with Down Syndrome. Dysphagia 2023; 38:1589-1597. [PMID: 37171663 DOI: 10.1007/s00455-023-10586-x] [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] [Received: 03/09/2023] [Accepted: 04/26/2023] [Indexed: 05/13/2023]
Abstract
Dysphagia is a common symptom in children with Down syndrome and is conventionally evaluated with imaging and endoscopy; high-resolution manometry is not routinely utilized. The aim of this study was to describe and correlate pharyngeal and esophageal manometry findings with contrast studies and endoscopy in patients with Down syndrome and dysphagia. Electronic medical records of patients with Down syndrome with dysphagia seen at our center between January 2008 and January 2022 were reviewed. Data collected included demographics, co-morbidities, symptoms, imaging, endoscopy, and manometry. Twenty-four patients with Down syndrome [median age of 14.9 years (IQR 7.6, 20.5), 20.8% female] met inclusion criteria. Common presenting symptoms of dysphagia included vomiting or regurgitation in 15 (62.5%) patients, and choking, gagging, or retching in 10 (41.7%) patients. Esophageal manometry was abnormal in 18/22 (81.2%) patients. The most common findings were ineffective esophageal motility in 9 (40.9%) followed by esophageal aperistalsis in 8 (36.4%) patients. Rumination pattern was noted in 5 (22.8%) patients. All 6 (25%) patients who previously had fundoplication had esophageal dysmotility. Strong agreement was noted between upper gastrointestinal studies and high-resolution esophageal manometry (p = 1.0) but no agreement was found between pharyngeal manometry and video fluoroscopic swallow studies (p = 0.041). High-resolution pharyngeal and esophageal manometry provide complementary objective data that may be critical in tailoring therapeutic strategies for managing patients with Down syndrome with dysphagia.
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Ruan X, Dai M, Chen Z, You Z, Zhang Y, Li Y, Dou Z, Tan M. Temporal Micro-Action Localization for Videofluoroscopic Swallowing Study. IEEE J Biomed Health Inform 2023; 27:5904-5913. [PMID: 37682645 DOI: 10.1109/jbhi.2023.3313255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2023]
Abstract
Videofluoroscopic swallowing study (VFSS) visualizes the swallowing movement by using X-ray fluoroscopy, which is the most widely used method for dysphagia examination. To better facilitate swallowing assessment, the temporal parameter is one of the most important indicators. However, most information of that acquire is hand-crafted and elaborated, which is time-consuming and difficult to ensure objectivity and accuracy. In this article, we propose to formulate this task as a temporal action localization task and solve it using deep neural networks. However, the action of VFSS has the following characteristics such as small motion targets, small action amplitudes, large sample variances, short duration, and variations in duration. Furthermore, all existing methods often rely on daily behaviors, which makes locating and recognizing micro-actions more challenging. To address the above issues, we first collect and annotate the VFSS micro-action dataset, which includes 847 VFSS data from 71 subjects, due to the lack of benchmarks. We then introduce a coarse-to-fine mechanism to handle the short and repeated nature of micro-actions, which can significantly enhancing micro-action localization accuracy. Moreover, we propose a Variable-Size Window Generator method, which improves the model's characterization performance and addresses the issue of different action timings, leading to further improvements in localization accuracy. The results of our experiments demonstrate the superiority of our method, with significantly improved performance (46.10% vs. 37.70%).
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Nakamori M, Shimizu Y, Takahashi T, Toko M, Yamada H, Hayashi Y, Ushio K, Yoshikawa K, Hiraoka A, Yoshikawa M, Nagasaki T, Mikami Y, Maruyama H. Swallowing sound index analysis using electronic stethoscope and artificial intelligence for patients with Parkinson's disease. J Neurol Sci 2023; 454:120831. [PMID: 37837871 DOI: 10.1016/j.jns.2023.120831] [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: 08/22/2023] [Revised: 09/20/2023] [Accepted: 10/08/2023] [Indexed: 10/16/2023]
Abstract
BACKGROUND AND PURPOSE Several noninvasive tools assess swallowing disorders, including electronic stethoscope artificial intelligence (AI) analysis for remote diagnosis, with the potential for telemedicine. This study investigated the swallowing sound index in patients with Parkinson's disease (PD). METHODS This single-arm, open-label trial assessed the impact of cervical percutaneous interferential current stimulation on swallowing in patients with PD classified as Hoehn-Yahr stages 2-4. Stimulation was conducted for 8 weeks. Baseline data were used to examine the link between the swallowing sound index and indicators such as videofluoroscopy (VF). Furthermore, we examined changes in the swallowing sound index after the intervention. RESULTS Twenty-five patients were included. The swallowing sound index in patients with PD was higher than that in those with amyotrophic lateral sclerosis but considerably lower than that in healthy controls. The number of patients with normal EAT-10 scores positively correlated with the swallowing sound index, whereas elevated C-reactive protein levels were negatively correlated with the swallowing sound index. However, the index displayed no correlation with other indicators, including the VF results. Despite the intervention, the index remained unchanged throughout the study. CONCLUSION In patients with PD, a decrease in the swallowing sound index suggests a potential association between swallowing disorders and the risk of aspiration pneumonia. TRIAL REGISTRATION NUMBER jRCTs062220013.
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Giulini L, Latorre-Rodriguez AR, Razia D, Mittal SK. Standardized Assessment of Esophageal Body Peristalsis on Barium Esophagram Correlates with Non-obstructive Dysphagia. J Gastrointest Surg 2023; 27:2601-2603. [PMID: 37558817 DOI: 10.1007/s11605-023-05792-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 07/21/2023] [Indexed: 08/11/2023]
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Mancopes R, Steele CM. Videofluoroscopic measures of swallowing in people with stable COPD compared to healthy aging. Codas 2023; 36:e20220260. [PMID: 37878956 PMCID: PMC10727231 DOI: 10.1590/2317-1782/20232022260] [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: 11/11/2022] [Accepted: 02/17/2023] [Indexed: 10/27/2023] Open
Abstract
PURPOSE Swallowing impairment is a serious extra-pulmonary manifestation of Chronic Obstructive Pulmonary Disease (COPD). Previous studies suggest that individuals with stable COPD show atypical values for several videofluoroscopy measures of swallowing, compared to healthy adults under age 60. However, it is unclear to what degree these changes are attributable to healthy aging. In this study, we aimed to clarify how swallowing in people with stable COPD differs from age-matched healthy controls. METHODS We performed a retrospective analysis of videofluoroscopy data from two previously-collected datasets: a) a sample of 28 adults with stable COPD (18 male); b) a sample of 76 healthy adults, from which 28 adults were selected, matched for sex and age to participants in the COPD cohort. In both prior studies, participants swallowed 20% w/v liquid barium prepared in different consistencies (thin; mildly, moderately, and extremely thick). Blinded duplicate ratings were performed according to a standard procedure, yielding measures of laryngeal vestibule closure (LVC) integrity and timing, swallow timing, upper esophageal sphincter (UES) opening, pharyngeal constriction and pharyngeal residue. Mann-Whitney U tests and odds ratios were performed to determine significant group differences (p<.05). RESULTS Across the consistencies tested, participants with COPD showed significantly shorter durations of LVC, earlier onsets and shorter durations of UES opening, and reduced pharyngeal constriction. No significant differences were seen in other measures. CONCLUSION These results point to features of swallowing in people with stable COPD that differ from changes seen with healthy aging, and which represent risks for potential aspiration.
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Kim J, Ryu B, Kim Y, Choi Y, Lee E. Comparative Analysis of the Prevalence of Dysphagia in Patients with Mild COVID-19 and Those with Aspiration Pneumonia Alone: Findings of the Videofluoroscopic Swallowing Study. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1851. [PMID: 37893569 PMCID: PMC10608040 DOI: 10.3390/medicina59101851] [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: 09/28/2023] [Revised: 10/11/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023]
Abstract
Background and Objectives: Patients recovering from mild coronavirus disease (COVID-19) reportedly have dysphagia or difficulty in swallowing. We compared the prevalence of dysphagia between patients diagnosed with mild COVID-19 and those diagnosed with aspiration pneumonia alone. Materials and Methods: A retrospective study was conducted from January 2020 to June 2023 in 160 patients referred for a videofluoroscopic swallowing study (VFSS) to assess for dysphagia. The cohort included 24 patients with mild COVID-19 and aspiration pneumonia, 30 with mild COVID-19 without aspiration pneumonia, and 106 with aspiration pneumonia alone. We reviewed the demographic data, comorbidities, and VFSS results using the penetration-aspiration scale (PAS) and functional dysphagia scale (FDS). Results: In a study comparing patients with mild COVID-19 (Group A) and those with aspiration pneumonia alone (Group B), no significant differences were observed in the baseline characteristics, including the prevalence of dysphagia-related comorbidities between the groups. Group A showed milder dysphagia, as evidenced by lower PAS and FDS scores, shorter oral and pharyngeal transit times (p = 0.001 and p = 0.003, respectively), and fewer residues in the vallecula and pyriform sinuses (p < 0.001 and p < 0.03, respectively). When Group A was subdivided into those with COVID-19 with (Group A1) and without aspiration pneumonia (Group A2), both subgroups outperformed Group B in terms of specific VFSS metrics, such as oral transit time (p = 0.01), pharyngeal transit time (p = 0.04 and p = 0.02, respectively), and residue in the vallecula (p = 0.04 and p = 0.02, respectively). However, Group B showed improved triggering of the pharyngeal swallowing reflex compared with Group A2 (p = 0.02). Conclusion: Mild COVID-19 patients showed less severe dysphagia than those with aspiration pneumonia alone. This finding was consistent across VFSS parameters, even when the COVID-19 group was subdivided based on the status of aspiration pneumonia.
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Jeong SY, Kim JM, Park JE, Baek SJ, Yang SN. Application of deep learning technology for temporal analysis of videofluoroscopic swallowing studies. Sci Rep 2023; 13:17522. [PMID: 37845272 PMCID: PMC10579219 DOI: 10.1038/s41598-023-44802-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 10/12/2023] [Indexed: 10/18/2023] Open
Abstract
Temporal parameters during swallowing are analyzed for objective and quantitative evaluation of videofluoroscopic swallowing studies (VFSS). Manual analysis by clinicians is time-consuming, complicated and prone to human error during interpretation; therefore, automated analysis using deep learning has been attempted. We aimed to develop a model for the automatic measurement of various temporal parameters of swallowing using deep learning. Overall, 547 VFSS video clips were included. Seven temporal parameters were manually measured by two physiatrists as ground-truth data: oral phase duration, pharyngeal delay time, pharyngeal response time, pharyngeal transit time, laryngeal vestibule closure reaction time, laryngeal vestibule closure duration, and upper esophageal sphincter opening duration. ResNet3D was selected as the base model for the deep learning of temporal parameters. The performances of ResNet3D variants were compared with those of the VGG and I3D models used previously. The average accuracy of the proposed ResNet3D variants was from 0.901 to 0.981. The F1 scores and average precision were 0.794 to 0.941 and 0.714 to 0.899, respectively. Compared to the VGG and I3D models, our model achieved the best results in terms of accuracy, F1 score, and average precision values. Through the clinical application of this automatic model, temporal analysis of VFSS will be easier and more accurate.
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Steele CM, Bayley MT, Bohn MK, Higgins V, Peladeau-Pigeon M, Kulasingam V. Reference Values for Videofluoroscopic Measures of Swallowing: An Update. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2023; 66:3804-3824. [PMID: 37669617 PMCID: PMC10713020 DOI: 10.1044/2023_jslhr-23-00246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/03/2023] [Accepted: 06/27/2023] [Indexed: 09/07/2023]
Abstract
PURPOSE It is essential that clinicians have evidence-based benchmarks to support accurate diagnosis and clinical decision making. Recent studies report poor reliability for diagnostic judgments and identifying mechanisms of impairment from videofluoroscopy (VFSS). Establishing VFSS reference values for healthy swallowing would help resolve such discrepancies. Steele et al. (2019) released preliminary reference data for quantitative VFSS measures in healthy adults aged < 60 years. Here, we extend that work to provide reference percentiles for VFSS measures across a larger age span. METHOD Data for 16 VFSS parameters were collected from 78 healthy adults aged 21-82 years (39 male). Participants swallowed three comfortable sips each of thin, slightly, mildly, moderately, and extremely thick barium (20% w/v). VFSS recordings were analyzed in duplicate by trained raters, blind to participant and task, using the Analysis of Swallowing Physiology: Events, Kinematics and Timing (ASPEKT) Method. Reference percentiles (p2.5, 5, 25, 50, 75, 95, and 97.5) were determined as per Clinical and Laboratory Standards Institute EP28-A3c guidelines. RESULTS We present VFSS reference percentile tables, by consistency, for (a) timing parameters (swallow reaction time; the hyoid burst-to-upper esophageal sphincter (UES)-opening interval; UES opening duration; time-to-laryngeal vestibule closure (LVC); and LVC duration) and (b) anatomically scaled pixel-based measures of maximum UES diameter, pharyngeal area at maximum pharyngeal constriction and rest, residue (vallecular, pyriform, other pharyngeal locations, total), and hyoid kinematics (X, Y, XY coordinates of peak position; speed). Clinical decision limits are proposed to demarcate atypical values of potential clinical concern. CONCLUSION These updated reference percentiles and proposed clinical decision limits are intended to support interpretation and reliability for VFSS assessment data. SUPPLEMENTAL MATERIAL https://doi.org/10.23641/asha.24043041.
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Sanagapalli S, Plumb A, Lord RV, Sweis R. How to effectively use and interpret the barium swallow: Current role in esophageal dysphagia. Neurogastroenterol Motil 2023; 35:e14605. [PMID: 37103465 DOI: 10.1111/nmo.14605] [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: 01/26/2023] [Revised: 03/27/2023] [Accepted: 04/11/2023] [Indexed: 04/28/2023]
Abstract
BACKGROUND The barium swallow is a commonly performed investigation, though recent decades have seen major advances in other esophageal diagnostic modalities. PURPOSE The purpose of this review is to clarify the rationale for components of the barium swallow protocol, provide guidance on interpretation of findings, and describe the current role of the barium swallow in the diagnostic paradigm for esophageal dysphagia in relation to other esophageal investigations. The barium swallow protocol, interpretation, and reporting terminology are subjective and non-standardized. Common reporting terminology and an approach to their interpretation are provided. A timed barium swallow (TBS) protocol provides more standardized assessment of esophageal emptying but does not evaluate peristalsis. Barium swallow may have higher sensitivity than endoscopy for detecting subtle strictures. Barium swallow has lower overall accuracy than high-resolution manometry for diagnosing achalasia but can help secure the diagnosis in cases of equivocal manometry. TBS has an established role in objective assessment of therapeutic response in achalasia and helps identify the cause of symptom relapse. Barium swallow has a role in the evaluating manometric esophagogastric junction outflow obstruction, in some cases helping to identify where it represents an achalasia-like syndrome. Barium swallow should be performed in dysphagia following bariatric or anti-reflux surgery, to assess for both structural and functional postsurgical abnormality. Barium swallow remains a useful investigation in esophageal dysphagia, though its role has evolved due to advancements in other diagnostics. Current evidence-based guidance regarding its strengths, weaknesses, and current role are described in this review.
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Gómez-Escudero O. Dysphagia lusoria. REVISTA DE GASTROENTEROLOGIA DE MEXICO (ENGLISH) 2023; 88:429-430. [PMID: 38030418 DOI: 10.1016/j.rgmxen.2023.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 07/14/2023] [Indexed: 12/01/2023]
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Noorani M, Bolognone RK, Graville DJ, Palmer AD. The Association Between Dysphagia Symptoms, DIGEST Scores, and Severity Ratings in Individuals with Parkinson's Disease. Dysphagia 2023; 38:1295-1307. [PMID: 36692654 DOI: 10.1007/s00455-023-10555-4] [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] [Received: 09/23/2021] [Accepted: 01/10/2023] [Indexed: 01/25/2023]
Abstract
The Swallow Disturbance Questionnaire (SDQ) is a screening tool developed to identify patients with Parkinson's Disease (PD) in need of objective swallowing evaluation. In a previous investigation, the SDQ did not predict abnormal airway protection on a videofluoroscopic swallowing study (VFSS). This investigation was undertaken to determine whether SDQ scores were more accurate when a global measure was used. The Dynamic Imaging Grade for Swallowing Toxicity (DIGEST) is a validated measure that provides a safety, efficiency, and total severity grade based on VFSS. A secondary analysis was performed using data from 20 patients with PD who had participated in a standardized VFSS protocol. The study sample was predominantly male (80%) with an average age of 71 years, and an average PD duration of 9 years. Using an established cut-off score, participants were subdivided into those with "normal" (n = 10) and "abnormal" SDQ scores (n = 10). Recordings were scored using the DIGEST protocol by two blinded raters who also rated overall dysphagia severity from the VFSS. There was good agreement between the two raters on the DIGEST and strong correlations between DIGEST scores and clinician perceptions of dysphagia severity. Higher SDQ scores were associated with poorer Efficiency on the DIGEST but not Safety or Total scores. Consistent with other PD studies, subjective perceptions of dysphagia were poorly predictive of objective findings on VFSS. There is little information about the validity of the DIGEST for rating neurogenic dysphagia. Our study provides preliminary support for the use of the DIGEST in the PD population.
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Wong MKL, Ku PKM, Tong MCF, Lee KYS, Fong R. Endoscopic and observational findings of swallowing of traditional and molded puree in healthy individuals. Dysphagia 2023; 38:1363-1370. [PMID: 36869928 DOI: 10.1007/s00455-023-10565-2] [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: 09/23/2022] [Accepted: 02/14/2023] [Indexed: 03/05/2023]
Abstract
Puree is commonly prescribed for patients with mastication and bolus formation difficulties, but its appearance might negatively impact appetite and intake. Molded puree is marketed to be an alternative to traditional puree, but the process of molding puree could alter the properties of the food significantly and lead to different swallowing physiology as compared to puree. The current study investigated the differences between traditional and molded puree in terms of swallowing physiology and perception in healthy individuals. Thirty two participants were included. Two outcomes were used to quantify the oral preparatory and oral phase. Fibreoptic endoscopic evaluation of swallowing was used to assess the pharyngeal phase as it could retain the purees in their original form. Six outcomes were collected. Perceptual rating of the purees were provided by participants in six domains. Molded puree required significantly more masticatory cycles (p < 0.001) and longer time for ingestion (p < 0.001). Molded puree had longer swallow reaction time (p = 0.001) and more inferior site of swallow initiation (p = 0.007) compared with traditional puree. Participants' satisfaction with the appearance, texture and overall of molded puree was significantly greater. Molded puree was perceived to be more difficult to chew and swallow. This study established that the two types of puree were different in various aspects. The study also provided important clinical implications regarding the use of molded puree as a form of texture modified diet (TMD) in patients with dysphagia. The results could serve as the foundation of larger cohort studies on the effect of various TMDs on patients with dysphagia.
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McCarthy K, Finch E, Miles A. The Introduction of a Protocol for Esophageal Screening in Videofluoroscopic Swallowing Studies: Exploring Clinical Impacts and Barriers. AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2023; 32:2267-2281. [PMID: 37668538 DOI: 10.1044/2023_ajslp-23-00022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/06/2023]
Abstract
PURPOSE Esophageal screening is a valuable inclusion in videofluoroscopic swallowing studies (VFSSs). However, routine standardized esophageal screening does not always occur in clinical practice. This study introduced and evaluated an esophageal screening protocol at one Australian hospital. METHOD Radiology, gastroenterology, and speech-language pathology endorsed an esophageal screening protocol, which followed a timed 20-ml International Dysphagia Diet Standardisation Initiative Level 0 bolus from mouth to stomach in an upright anterior-posterior position. Measures exploring clinical impacts and barriers were recorded. Participants were compared with 100 consecutive VFSS patients prior to the introduction of the esophageal screening protocol. RESULTS During the esophageal screening protocol trial, 163 VFSSs were conducted with recruited patients. Aspiration risk (29%, n = 47/163) and positioning limitation (3%, n = 5/163) were barriers to esophageal screening. Rates of esophageal screening significantly increased with the esophageal screening protocol (χ2 = 63.462, p < .001). There was no difference in radiation dose for patients who had esophageal screening and those who did not in the esophageal screening protocol group (U = 1689.000, p = .237). The VFSS team breached the esophageal screening protocol for some patients, when evaluating esophageal transit time (n = 28) and recommending gastroenterology referral (n = 6). There was no difference between groups for rates of gastroenterology consults (χ2 = 1.805, p = .188) or dysphagia procedures (χ2 = 1.951, p = .209). CONCLUSIONS This study confirms that routine esophageal screening provides additional clinical information to assist holistic dysphagia management without adverse operational impacts. Further research with the multidisciplinary dysphagia team has commenced to continue to optimize and refine esophageal screening practice.
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Chou Y, Wang LW, Lin CJ, Wang LY, Tsai WH, Ko MJ. Evaluation of feeding difficulties using videofluoroscopic swallow study and swallowing therapy in infants and children. Pediatr Neonatol 2023; 64:547-553. [PMID: 36849324 DOI: 10.1016/j.pedneo.2022.11.010] [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: 04/15/2022] [Revised: 11/04/2022] [Accepted: 11/15/2022] [Indexed: 02/19/2023] Open
Abstract
BACKGROUND Infants and children with feeding difficulties have swallowing dysfunction and high risk of aspiration, which could be silent without choking, resulting in recurrent pneumonia and long-term respiratory morbidity. Videofluoroscopic swallow study (VFSS) is a useful tool for real-time visualization of the swallowing process and airway aspiration. This study reported a single-institutional 10-year experience of VFSS in pediatric patients with feeding difficulties and the efficacy of swallowing therapy. METHODS From 2011 to 2020, 30 infants and children with feeding difficulties received VFSS examinations in a medical center at a median age of 19 months (range 7 days-8 years). The images of the swallowing process (oral phase, triggering of pharyngeal swallowing, and pharyngeal phase) under videofluoroscopy were analyzed by a radiologist and a speech-language pathologist. Aspiration severity was assessed from VFSS observations and rated by an eight-point Penetration-Aspiration-Scale (PAS), with higher scores indicating increased severity. Swallowing therapy was performed by experienced speech-language therapists, and follow-up of oral feeding tolerance and risk of aspiration pneumonia was done. RESULTS Of the 30 patients, 24 (80%) had neurological deficits. High PAS scores (6-8) were observed in 25 (83.4%) patients, and 22 had a PAS score of 8, indicating silent aspiration. Of the 25 patients with high PAS scores, 19 (76%) had neurological deficits, and 18 (72%) depended on tube feeding at a median age of 20 months. Swallowing problems occurred most frequently during the pharyngeal phase in the patients with high PAS scores. VFSS-based swallowing therapy improved oral feeding ability and reduced aspiration episodes. CONCLUSION Infants and children with swallowing dysfunction and neurological deficits had high risk of severe aspiration. Swallowing problems in the pharyngeal phase were the most common VFSS findings in patients with severe aspiration. VFSS may help guide problem-oriented swallowing therapy to reduce the risk of recurrent aspiration.
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Rahim I, Napolitano A, Burd C, Lingam RK. Imaging of pharyngeal pathology. Br J Radiol 2023; 96:20230046. [PMID: 37334795 PMCID: PMC10461270 DOI: 10.1259/bjr.20230046] [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: 01/15/2023] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 06/21/2023] Open
Abstract
The pharynx plays a significant role in swallowing and speech, and this is reflected in both its complex anatomy and degree of physiological motility. Patients who present with pharynx-related symptoms such as sore throat, globus, dysphagia or dysphonia will usually undergo visual and nasal endoscopic examination in the first instance. Imaging is frequently required to supplement clinical assessment and this typically involves MRI and CT. However, fluoroscopy, ultrasound and radionuclide imaging are valuable in certain clinical situations. The aforementioned complexity of the pharynx and the myriad of pathologies which may arise within it often make radiological evaluation challenging. In this pictorial review, we aim to provide a brief overview of cross-sectional pharyngeal anatomy and present the radiological features of a variety of pharyngeal pathologies, both benign and malignant.
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Tsai MJ, Huang HJ, Cheng KY. Woman With Dysphagia. Ann Emerg Med 2023; 82:e95-e96. [PMID: 37596030 DOI: 10.1016/j.annemergmed.2023.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/15/2023] [Accepted: 04/06/2023] [Indexed: 08/20/2023]
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Edwards A, Holm A, Carding P, Steele M, Froude E, Burns C, Cardell E. Factors that influence development of speech pathology skills required for videofluoroscopic swallowing studies. INTERNATIONAL JOURNAL OF LANGUAGE & COMMUNICATION DISORDERS 2023; 58:1645-1656. [PMID: 37189291 DOI: 10.1111/1460-6984.12892] [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: 09/23/2022] [Accepted: 04/12/2023] [Indexed: 05/17/2023]
Abstract
BACKGROUND Perceptual, cognitive and previous clinical experience may influence a novice Videofluoroscopic Swallowing Study (VFSS) analyst's trajectory towards competency. Understanding these factors may allow trainees to be better prepared for VFSS training and may allow training to be developed to accommodate differences between trainees. AIMS This study explored a range of factors previously suggested in the literature as influencing the development of novice analysts' VFSS skills. We hypothesised that knowledge of swallow anatomy and physiology, visual perceptual skills, self-efficacy and interest, and prior clinical exposure would all influence VFSS novice analysts' skill development. METHODS & PROCEDURES Participants were undergraduate speech pathology students recruited from an Australian university, who had completed the required theoretical units in dysphagia. Data assessing the factors of interest were collected-the participants identified anatomical structures on a still radiographic image, completed a physiology questionnaire, completed subsections of the Developmental Test of Visual Processing-Adults, self-reported the number of dysphagia cases they managed on placement, and self-rated their confidence and interest. Data for 64 participants relating to the factors of interest were compared with their ability to accurately identify swallowing impairments following 15 h of VFSS analytical training, using correlation and regression analysis. OUTCOMES & RESULTS Success in VFSS analytical training was best predicted by clinical exposure to dysphagia cases and the ability to identify anatomical landmarks on still radiographic images. CONCLUSIONS & IMPLICATIONS Novice analysts vary in the acquisition of beginner-level VFSS analytical skill. Our findings suggest that speech pathologists who are new to VFSS may benefit from clinical exposure to dysphagia cases, sound foundational knowledge of anatomy relevant to swallowing and the ability to see the anatomical landmarks on still radiographic images. Further research is required to equip VFSS trainers and trainees for training, to understand differences between learners during skill development. WHAT THIS PAPER ADDS What is already known on the subject The existing literature suggests that no vice Video fluoroscopic Swallowing Study (VFSS) analysts training may be influenced by their personal characteristics and experience. What this study adds This study found that student clinicians, clinical exposure to dysphagia cases and their ability to identify anatomical landmarks relevant to swallowing on still radiographic images prior to training best predicted their ability to identify swallowing impairments after training. What are the clinical implications of this work? Given the expense of training health professionals, further research is required into the factors that successfully prepare clinicians for VFSS training, including clinical exposure, foundational knowledge of anatomy relevant to swallowing and the ability to identify the anatomical landmarks on still radiographic images.
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Maeda K, Nagasaka M, Nagano A, Nagami S, Hashimoto K, Kamiya M, Masuda Y, Ozaki K, Kawamura K. Ultrasonography for Eating and Swallowing Assessment: A Narrative Review of Integrated Insights for Noninvasive Clinical Practice. Nutrients 2023; 15:3560. [PMID: 37630750 PMCID: PMC10460049 DOI: 10.3390/nu15163560] [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: 06/07/2023] [Revised: 07/28/2023] [Accepted: 08/11/2023] [Indexed: 08/27/2023] Open
Abstract
Dysphagia is a syndrome of abnormal eating function resulting from a variety of causative diseases, and is associated with malnutrition. To date, the swallowing function has been difficult to examine without the use of invasive and expensive methods, such as the videofluorographic swallowing study or fiberoptic endoscopic evaluation of swallowing. In recent years, progress has been made in the clinical application of ultrasound equipment for the evaluation of body compositions near the body surface, including the assessment of nutritional status. Ultrasound examination is a noninvasive procedure and relatively inexpensive, and the equipment required is highly portable thanks to innovations such as wireless probes and tablet monitoring devices. The process of using ultrasound to visualize the geniohyoid muscle, digastric muscle, mylohyoid muscle, hyoid bone, tongue, masseter muscle, genioglossus muscle, orbicularis oris muscle, temporalis muscle, pharynx, esophagus, and larynx, and the methods used for evaluating these structures, are provided in this study in detail. This study also aims to propose a protocol for the assessment of swallowing-related muscles that can be applied in real-world clinical practice for the diagnosis of sarcopenic dysphagia, which can occur in elderly patients with sarcopenia, and has received much attention in recent years.
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Wineski RE, Beltran-Ale G, Simpson R, Evarts M, Stein JS, Rosen P, Rogers JA, Leonard MV, Dimmitt R, Soong A, Kassel R, Harris WT, Wiatrak B, Smith NJ. Timeline to dysphagia resolution after endoscopic intervention of an interarytenoid defect based on Video Fluoroscopic Swallow Study dysphagia severity. Int J Pediatr Otorhinolaryngol 2023; 171:111657. [PMID: 37441989 DOI: 10.1016/j.ijporl.2023.111657] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 07/07/2023] [Accepted: 07/09/2023] [Indexed: 07/15/2023]
Abstract
INTRODUCTION We previously reported that endoscopic repair of a Type 1 Laryngeal Cleft (LC1) or Deep Interarytenoid Groove (DIG) improves swallowing function postoperatively. However, caregivers often ask about the timeline to resolution of the need for thickening. This study re-examines this cohort to answer this important caregiver-centered question. METHODS We reassessed a 3-year retrospective, single-center dataset of children with dysphagia found to have a LC-1 or DIG on endoscopic exam. The primary outcome was rate of complete resolution of dysphagia at 2, 6, and 12 months after endoscopic intervention. A sub-group analysis was made based on severity of dysphagia prior to intervention and by type of endoscopic repair. RESULTS Thirty-nine patients with mean age 1.35 years that had a LC-1 or DIG met criteria for inclusion. Rate of complete dysphagia resolution increased over time. Those with mild dysphagia (flow-reducing nipple and/or IDDSI consistency 1 or 2) had brisker resolution than those with moderate dysphagia (IDDSI consistency 3 or 4) at 2 months (67% vs 5%, p < 0.01) and at 6 months (80% vs 18%, p < 0.01) after endoscopic repair. There was no difference in dysphagia resolution between patients grouped by type of endoscopic repair. CONCLUSION Addressing an interarytenoid defect in patients will not result in immediate, complete dysphagia resolution in most patients. However, patients that only require a flow-reducing nipple and/or thickening to an IDDSI consistency 1 or 2 have brisker resolution of the need for thickening than those that require an IDSSI consistency 3 or 4 prior to intervention. These results inform pre-operative discussions of the timeline to resolution based upon severity of dysphagia and help manage caregiver expectations.
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McCarthy K, Finch E, Miles A. Oesophageal screening in videofluoroscopic swallow studies: Perceptions and practices of Australian speech-language pathologists. INTERNATIONAL JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2023; 25:500-508. [PMID: 35506612 DOI: 10.1080/17549507.2022.2061049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
PURPOSE There is building evidence that oesophageal screening (OS) should be considered a critical component of videofluoroscopic swallow studies (VFSS). This study surveyed Australian speech-language pathologists (SLPs) regarding current practices and perceptions of OS in VFSS. METHOD A 16-24 item online survey was distributed to Australian SLPs via relevant email forums. One response per site was requested. Survey questions explored experience and training in VFSS, skill and confidence with OS, OS protocol use, and pathways following OS. RESULT One hundred and one SLPs across all Australian states and territories responded, with 70% (n = 69/99) from metropolitan hospitals and 74% (n = 75/101) having more than five years' VFSS experience. While 69% (n = 70/101) of SLPs conducted OS, only half (n = 35/70) conducted OS routinely, and only 4% (n = 3/70) always used published OS protocols. Barriers to OS, for some participants, were concerns about scope of practice and confidence. CONCLUSION This study confirms higher levels of OS in Australia compared to similar international surveys and provides rich data on the Australian context. Prescriptive clinical guidelines for OS, consensus regarding a preferred OS protocol, and specific OS training may clarify SLP scope of practice and improve SLP confidence and standardisation in OS.
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Yang SM, Wu HW, Lin YH, Lai TJ, Lin MT. Temporalis and masseter muscle thickness as predictors of post-stroke dysphagia after endovascular thrombectomy. Eur J Radiol 2023; 165:110939. [PMID: 37354770 DOI: 10.1016/j.ejrad.2023.110939] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/15/2023] [Accepted: 06/17/2023] [Indexed: 06/26/2023]
Abstract
PURPOSE Post-stroke dysphagia (PSD) is a common sequela of stroke. Given the association between dysphagia and sarcopenia, we aimed to investigate the association between PSD and temporal muscle thickness (TMT) and masseter muscle thickness (MMT) following endovascular thrombectomy (EVT) in patients with large-vessel occlusion (LVO). METHODS This retrospective cohort study included hospitalized patients with LVO stroke who underwent EVT between January 1, 2018, and October 31, 2022. TMT and MMT were measured using brain computed tomography (CT) angiography. The correlation between relevant clinicodemographic factors and both TMT and MMT was examined. The relationship between each of two parameters (TMT and MMT) and PSD, which was defined as the retention of the nasogastric (NG) tube at 4 and 12 weeks, was evaluated in adjusted logistic regression models. RESULTS Among the 148 participants, the mean TMT and MMT was 5.9 ± 1.6 and 11.2 ± 2.3 mm, respectively. Lower age, male sex, higher body mass index (BMI), higher albumin levels, and a lower initial National Institute of Health Stroke Scale (NIHSS) score were associated with higher TMT and MMT (p < 0.05). In the logistic regression analysis adjusted for age, sex, BMI, serum albumin, and NIHSS score, lower TMT and MMT significantly correlated with PSD at weeks 4 and 12 (p < 0.001). CONCLUSION TMT and MMT are associated with age, sex, BMI, albumin, and the initial NIHSS score. Both TMT and MMT are independent indicators of post-EVT PSD in stroke patients and serve as reliable predictors of NG removal.
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de Magalhães DDD, Bandeira JDF, Pernambuco L. Quantitative approach to analyze hyoid bone movement during swallowing by ultrasound: an integrative review. Codas 2023; 35:e20220002. [PMID: 37466503 PMCID: PMC10446754 DOI: 10.1590/2317-1782/20232022002pt] [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: 01/17/2022] [Accepted: 07/01/2022] [Indexed: 07/20/2023] Open
Abstract
PURPOSE To synthesize the scientific knowledge on which measurements of hyoid bone movement during swallowing are obtained by ultrasonography and how to extract these measures. RESEARCH STRATEGIES The PECO question and combinations of descriptors and keywords were formulated in the electronic databases Medline/PubMed, EMBASE, Web of Science, Scopus and Lilacs. SELECTION CRITERIA Articles that used ultrasonography to analyze measurements of hyoid bone movement during swallowing were included, regardless of language, year of publication, or presence of deglutition disorders. DATA ANALYSIS The included articles were analyzed for: year, study site, study design, population, sample size, equipment used, transducer positioning, measurements obtained, method of extraction, and reliability of measurements. RESULTS Twenty-six articles met the eligibility criteria. The most frequent measurement was hyoid movement maximum amplitude, followed by time and velocity. There was great variability in the study population, equipment used, positioning of the transducer and method of extraction of the measurements. Thus, it was not possible to find a standard model to extract the measures. The level of reliability was investigated in only eight articles. CONCLUSION Amplitude, time and velocity are the measures of hyoid bone movement during swallowing that can be obtained by ultrasonography. There is no standardization on how to extract these measurements.
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Xiong X, Liu JM, Chen WW, Liu ZH, Zhou RP, Chen JW, Liu ZL. Outcomes of different zero-profile spacers in the treatment of two-level cervical degenerative disk disease. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2023; 32:2448-2458. [PMID: 37198504 DOI: 10.1007/s00586-023-07756-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/27/2023] [Accepted: 05/01/2023] [Indexed: 05/19/2023]
Abstract
PURPOSE The purpose of this study was to analyze the clinical and radiological outcomes of two different zero-profile spacers (ROI-C and anchor-C) in contiguous two-level ACDF for CDDD patients. METHODS We retrospectively analyzed patients who underwent contiguous two-level ACDF due to CDDD between January 2015 and December 2020 in our hospital. Patients who received ROI-C and anchor-C were included as the study groups, and those who underwent plate-cage construct (PCC) were included as the control group. The primary outcome measures were radiographical parameters, and the secondary outcome measures were dysphagia, JOA scores and VAS scores for these patients. RESULTS A total of 91 patients were enrolled in the study; there were 31, 21 and 39 patients in the ROI-C, anchor-C and PCC groups, respectively. The mean follow-up duration was 24.52 months (range, 18-48 months) in the ROI-C group, 24.38 months (range, 16-52 months) in the anchor-C group and 25.18 months (range, 15-54 months) in the PCC group. The loss of the intervertebral space height and cage subsidence rate in the ROI-C group were significantly higher than those in the anchor-C group and PCC group at the final follow-up (P < 0.05). The ROI-C group showed a lower incidence of adjacent segment degeneration than the anchor-C group and PCC group, but the difference was not significant. The fusion rates were not different among these three groups. The early dysphagia rate was significantly lower in the patients with zero-profile spacers than in the PCC group (P < 0.05), but the difference was not significant at the last follow-up. No relevant differences were found in the JOA scores and VAS scores. CONCLUSIONS Zero-profile spacers showed promising clinical outcomes in CDDD patients having contiguous two-level ACDF. However, ROI-C resulted in a higher intervertebral space height loss and a higher cage subsidence rate than anchor-C during the follow-up.
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Malandraki GA. Advances for Dysphagia in the Digital Age: Integrative Imaging and Wearable Technologies. Folia Phoniatr Logop 2023; 75:208-218. [PMID: 37247613 DOI: 10.1159/000531265] [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: 04/30/2023] [Accepted: 05/09/2023] [Indexed: 05/31/2023] Open
Abstract
BACKGROUND In the past four to five decades, the field of swallowing science has made significant strides in the evaluation and treatment of swallowing disorders (dysphagia). Despite these strides, several gaps in knowledge remain and optimal approaches for dysphagia management have yet to be established. Part of this hindrance stems from our relatively limited understanding of the complex underlying swallowing mechanisms which further limits our ability to examine how these mechanisms may be altered in patients with dysphagia and how to optimally target them in therapy. To overcome this hindrance, it is critical that we develop sensitive new tools and methods that will allow for the precise and personalized examination of patients' complex swallowing control and neurophysiological changes, and for the direct targeting of this control to improve treatment effectiveness. SUMMARY Herein, the advantages and limitations of current approaches in the study of swallowing biomechanics and central and peripheral swallowing control mechanisms are first summarized. Then, two examples of recent technological advances developed by the author's multidisciplinary team are described, including an integrative MRI sequence that allows for the simultaneous examination of oropharyngeal swallow and brain activity (SimulScan), and a novel wearable surface electromyography sensor technology (i-Phagia) designed for swallowing rehabilitation monitoring. The current state, limitations, and future applications of both technologies are discussed. Upon optimization and validation, such technological advancements can offer unprecedented opportunities to gain direct and precise insights on the swallowing mechanism. Information gained from these and similar new technologies can act as a catalyst for the future development of optimized personalized dysphagia care. By leveraging advances in current methods, multidisciplinary collaborations, and new digital age technologies, the field of dysphagia can take the next giant leap forward in improving clinical care and patient lives. KEY MESSAGES There is a critical need to develop sensitive new tools and methods that will allow for the precise and personalized examination of the complex swallowing mechanism and lead to the development of physiology-based and more effective interventions. The digital age is the ideal time to begin leveraging the technological advancements of fields such as imaging, electrophysiology, wearables, and machine learning to advance dysphagia research and practice. A new integrative MRI sequence and a novel wearable surface electromyography sensor technology developed by the author's team are presented, as examples of recent technological advances that can play an important role in the future of personalized dysphagia care.
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