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In traditional video-fluoroscopic-swallowing study, a lipid-soluble contrast (barium sulfate) has been used more than 30 years. However, it can cause chemical pneumonitis and subsequently impair reliability of video-fluoroscopic-swallowing study if aspirated. The authors reviewed the safety and usefulness of an water soluble agent-based swallowing test.
Parallel-group, case-controlled trial was conducted from September 2015 to November 2017. All the patients who referred for video-fluoroscopic-swallowing study were screened.
Based on the pre-emptive evaluation, high-risky patients were allocated to iohexol (Omnipaque)-used video-fluoroscopic-swallowing study and others were allocated to barium sulfate-used video-fluoroscopic-swallowing study.
Statistical Package for the Social Sciences 24 was used to perform statistical analysis for the data. Quantitative data were presented as mean ± standard errors.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Iohexol | Iohexol was applied in video-fluoroscopic-swallowing study | ||
| Barium | Barium was applied in video-fluoroscopic-swallowing study |
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| Measure | Description | Time Frame |
|---|---|---|
| Laryngeal protection | Penetration aspiration scale (zero to eight) | within 1 hour after video-fluoroscopic-swallowing study |
| Measure | Description | Time Frame |
|---|---|---|
| Oral feeding | Success of Oral feeding after video-fluoroscopic-swallowing study or not | within 1 week before video-fluoroscopic-swallowing study |
| Measure | Description | Time Frame |
|---|---|---|
| Tracheostomy | Presence of tracheostomy or not | within 1 day before video-fluoroscopic-swallowing study |
| Allergic reaction | Contrast allergic reaction to the Iohexl |
Inclusion Criteria:
Exclusion Criteria:
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All the inpatients and outpatients who referred for video-fluoroscopic-swallowing study
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| Name | Affiliation | Role |
|---|---|---|
| Chang Ho Hwang, M.D., Ph.D. | Ulsan University Hospital | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ulsan University Hospital | Ulsan | 682-714 | South Korea |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 35801762 | Derived | Hwang CH. Swallowing study using water-soluble contrast agents may increase aspiration sensitivity and antedate oral feeding without respiratory and drug complications: A STROBE-compliant prospective, observational, case-control trial. Medicine (Baltimore). 2022 Jul 8;101(27):e29422. doi: 10.1097/MD.0000000000029422. |
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| ID | Term |
|---|---|
| D003680 | Deglutition Disorders |
| ID | Term |
|---|---|
| D004935 | Esophageal Diseases |
| D005767 | Gastrointestinal Diseases |
| D004066 | Digestive System Diseases |
| D010608 | Pharyngeal Diseases |
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| within 2 days before video-fluoroscopic-swallowing study |
| Symptoms of chemical pneumonitis | Radiological alteration on a chest xray | within 1 week before video-fluoroscopic-swallowing study |
| Hospital stay | Total days from admission to discharge | within 1 day after discharge |
| Days to discharge | Total Days from video-fluoroscopic-swallowing study to discharge | within 1 day after discharge |
| D010038 | Otorhinolaryngologic Diseases |