Specific information regarding the Communication Sciences and Disorders' Acute Care Speech Language Pathology practicum led by Carley Evans MS CCC SLP. Carley is a medical speech pathologist at the Evelyn Trammell Institute for Voice and Swallowing of the Medical University of South Carolina in Charleston. If you are new to this practicum, start with the oldest post listed in Archive.

Monday, November 19, 2007

Risks for Dehydration and/or Pneumonia

In the coming year the data from the Protocol 201 study, some of which was presented at the 2006 ASHA meeting, will be published. This study randomized aspirating Parkinson’s and dementia patients to either thin liquid using a chin-down posture, or thickened liquids (nectar or honey) for either three months follow up, or primary clinical end point (outcome of interest) of pneumonia, but hydration and nutritional parameters were also followed.



At the time of the ASHA meeting in 06, one interesting result presented was that patients in this study randomized to the “honey” thickened liquids intervention for managing aspiration of thin liquids, compared to the “nectar” thick and chin-down posture interventions, had significantly longer hospitalizations for pneumonia, than the pneumonia hospitalization durations for the other two interventions. I hope that the authors will clarify this with some data in their manuscripts and discuss this, as this “gel” discussion relates to the exact nature of the 201 finding: does aspirated thick liquid produce worse adverse outcomes than aspirated thin liquid.



The gel discussion aside, another important consideration is whether the patient drinks sufficient liquids once they are prescribed in their thick form. If we shift the risk from a potential respiratory adverse outcome (pneumonia) to a metabolic adverse outcome (inadequate hydration), there may be no net gain.




James L. Coyle

University of Pittsburgh

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