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The effectiveness of the head-turn-plus-chin-down maneuver for eliminating vallecular residue

Overview of attention for article published in CoDAS, April 2016
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About this Attention Score

  • Among the highest-scoring outputs from this source (#42 of 420)
  • Good Attention Score compared to outputs of the same age (65th percentile)
  • High Attention Score compared to outputs of the same age and source (83rd percentile)

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The effectiveness of the head-turn-plus-chin-down maneuver for eliminating vallecular residue
Published in
CoDAS, April 2016
DOI 10.1590/2317-1782/20162015286
Pubmed ID

Ahmed Nagy, Melanie Peladeau-Pigeon, Teresa Josephine Valenzano, Ashwini Marini Namasivayam, Catriona Margaret Steele


Purpose When swallowing efficiency is impaired, residue accumulates in the pharynx. Cued or spontaneous swallows in the head neutral position do not always successfully clear residue. We investigated the impact of a novel maneuver on residue clearance by combining a head turn with the chin down posture. Methods Data were collected from 26 participants who demonstrated persistent vallecular residue after an initial head neutral clearance swallow in videofluoroscopy. Participants were cued to perform a head-turn-plus-chin-down swallow, with the direction of head turn randomized. Pixel-based measures of residue in the vallecular space before and after the maneuver were made on still frame lateral images using ImageJ software. Measures of % full and the Normalized Residue Ratio Scale (NRRS) were extracted. Univariate analyses of variance were used to detect significant reductions in residue. Results On average, pre-maneuver measures showed residue filling 56-73% of the valleculae, depending on stimulus consistency (NRRS scores: 0.2-0.4). More than 80% of pre-swallow measures displayed NRRS ratios > 0.06, a threshold previously linked to increased risk of post-swallow aspiration. Conclusion The head-turn-plus-chin-down maneuver achieved significant reductions in residue for thin and nectar-thick fluids, suggesting that this maneuver can be effective in reducing persistent vallecular residue with these consistencies.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 41 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 41 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 8 20%
Student > Bachelor 5 12%
Student > Ph. D. Student 3 7%
Student > Doctoral Student 3 7%
Professor 2 5%
Other 7 17%
Unknown 13 32%
Readers by discipline Count As %
Nursing and Health Professions 14 34%
Medicine and Dentistry 7 17%
Psychology 3 7%
Agricultural and Biological Sciences 1 2%
Unknown 16 39%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 4. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 31 May 2016.
All research outputs
of 24,834,604 outputs
Outputs from CoDAS
of 420 outputs
Outputs of similar age
of 306,067 outputs
Outputs of similar age from CoDAS
of 6 outputs
Altmetric has tracked 24,834,604 research outputs across all sources so far. This one has received more attention than most of these and is in the 67th percentile.
So far Altmetric has tracked 420 research outputs from this source. They receive a mean Attention Score of 1.4. This one has done particularly well, scoring higher than 90% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 306,067 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 65% of its contemporaries.
We're also able to compare this research output to 6 others from the same source and published within six weeks on either side of this one. This one has scored higher than 4 of them.