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HEAPHY 1 & 2 DIAGNOSTIC Deborah McKELLAR

ABSTRACT This presentation will give a brief outline of the reasons SLT’s perform VFSS and what we aim to achieve. We will explore the clinical view required and some of the barriers to achieving this. Case studies will be presented. Fri 30 th Aug 2013 Session 2 / Talk 2 11:05 – 11:22.

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HEAPHY 1 & 2 DIAGNOSTIC Deborah McKELLAR

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  1. ABSTRACT This presentation will give a brief outline of the reasons SLT’s perform VFSS and what we aim to achieve. We will explore the clinical view required and some of the barriers to achieving this. Case studies will be presented. Fri 30th Aug 2013 Session 2 / Talk 2 11:05 – 11:22 HEAPHY 1 & 2 DIAGNOSTIC Deborah McKELLAR

  2. Videofluoroscopy Study of Swallowing (VFSS) Deborah McKellar Clinical Leader Speech Language Therapy Waikato Hospital

  3. What do SLT’s do? • Communication • Swallowing • Assessment • Advice/recommendations • Rehabilitation

  4. Swallowing Assessments • “Bedside” assessment • Silent aspiration risk • Objective assessment • FEES (fiberoptic endoscopic evaluation of swallowing) • VFSS (videofluoroscopic study of swallowing)

  5. FEES

  6. Videofluoroscopic Study of Swallowing • Sometimes referred to as Modified Barium Swallow

  7. VFSS

  8. VFSS vs Barium Swallow • VFSS • Focus on anatomy and physiology of oral, pharyngeal, laryngeal and upper oesophageal parameters. • Uses a variety of foods, fluids and strategies. • Performed by radiologist and/or SLT. • Barium swallow • Examines the upper gastrointestinal tract focusing on esophagus and stomach. • Identifies motility issues or structural abnormalities in the oesophagus. • Performed by radiologist.

  9. Why do we do VFSS? • Investigate cause/physiology of dysphagia • To guide dysphagia rehabilitation • Assess for aspiration risk – silent aspiration • Where clinical condition does not match the clinical swallowing evaluation Not everyone with dysphagia needs a VFSS

  10. What we do? • Trial a variety of consistencies of food/fluid • Trial strategies e.g. chin tuck, head turn • Trial different delivery methods • Assess fatigue effects

  11. What are we looking at? • Oral parameters • Oral transit parameters • Pharyngeal parameters • Crico-oesophogeal parameters • Laryngeal parameters

  12. A normal swallow

  13. What do we look for? • Aspiration – before, during or after the swallow • Difficulty controlling food/fluid in the mouth • Difficulty initiating the swallow • Residue after the swallow – unable to clear pharynx

  14. Aspiration • Not an automatic reason to stop the procedure • “a degree of aspiration may be necessary in order to gain a clear assessment of swallow physiology” • May need to trial other strategies and consistencies

  15. What do we need to see? • Need to view mouth, pharynx, laryngx and upper oesophagus • Need to see the start of the swallow • Often will need to keep screening after the swallow • AP view is often required – symmetry • Oesophageal screen

  16. Limitations • Patient mobility/sitting balance • Patient co-operation • Equipment logistics • Shoulders

  17. NZSTA recommendations • Must have a swallowing/feeding evaluation before the VFSS • SLTs should have access to high quality images and slow motion playback • SLTs are not qualified to make medical diagnosis or identify structural deviations

  18. Videopalatogram • Looks at palate movement (velopharyngeal closure) during speech • Small amount of barium squirted into patient’s nose to coat structures • Synched speech and video required • Aids in decisions regarding palate surgery (surgery vs speech therapy)

  19. NZSTA Clinical Practice Guideline on Videofluoroscopic Study of Swallowing (VFSS) April 2011 • The Dynamic Swallow DVD

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