Aspiration following stroke: is it related to the side of the stroke?

Smithard, DG; O'Neill, PA; Df, Martin; England, Ruth

doi:10.1177/026921559701100111

Cited by 51 publications

(37 citation statements)

References 9 publications

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“…It was observed that a significant increase in the activation of the sensorimotor cortex occurs on the left compared to the right during swallowing (8) . However, most studies report that patients with lesions in the right hemisphere have more swallowing dysfunction (44) . It was described that lesions located in the right hemisphere cause more pharyngeal changes and that lesions in the left hemisphere cause more changes in the oral phase of swallowing (16) .…”

Section: Discussionmentioning

confidence: 99%

Risk factors for swallowing dysfunction in stroke patients

Baroni

Fábio

Dantas

2012

Arq. Gastroenterol.

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-Context -Stroke is a frequent cause of dysphagia. Objective -To evaluate in a tertiary care hospital the prevalence of swallowing dysfunction in stroke patients, to analyze factors associated with the dysfunction and to relate swallowing dysfunction to mortality 3 months after the stroke. Methods -Clinical evaluation of deglutition was performed in 212 consecutive patients with a medical and radiologic diagnosis of stroke. The occurrence of death was determined 3 months after the stroke. Results -It was observed that 63% of the patients had swallowing dysfunction. The variables gender and specific location of the lesion were not associated with the presence or absence of swallowing dysfunction. The patients with swallowing dysfunction had more frequently a previous stroke, had a stroke in the left hemisphere, motor and/or sensitivity alterations, difficulty in oral comprehension, alteration of oral expression, alteration of the level of consciousness, complications such as fever and pneumonia, high indexes on the Rankin scale, and low indexes on the Barthel scale. These patients had a higher mortality rate. Conclusions -Swallowing evaluation should be done in all patients with stroke, since swallowing dysfunction is associated with complications and an increased risk of death. HEADINGS -Stroke. Deglutition disorders.

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Section: Discussionmentioning

confidence: 99%

Risk factors for swallowing dysfunction in stroke patients

Baroni

Fábio

Dantas

2012

Arq. Gastroenterol.

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“…Smithard et al found that patients with RHD were more likely to have persistent dysphagia than patients with LHD [19]. When evaluated acutely, four patients with RHD and nine patients with LHD had aspirated (N = 87); however, at 1 month, seven patients with RHD and no patients with LHD had aspirated.…”

Section: Introductionmentioning

confidence: 99%

Clinical and cognitive predictors of swallowing recovery in stroke

Schroeder¹,

Daniels²,

McClain³

et al. 2006

JRRD

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Abstract-This retrospective study determined whether specific neurological features were associated with initial and final swallowing outcomes in acute stroke patients. A chart review of 65 acute stroke patients suggested that certain clinical and neurocognitive behaviors were associated with swallowing outcomes. Hemispatial neglect was significantly associated with initial nonoral dietary intake, whereas aphasia was not associated with swallowing outcome. Results from the initial clinical swallowing evaluations suggested that the presence of at least four of six clinical features (cough after swallow, voice change after swallow, abnormal volitional cough, abnormal gag reflex, dysphonia, and dysarthria) were associated with poor initial and final swallowing outcomes. Whether specific lesion location, size, or a combination of clinical neurological deficits are associated with poor initial and final swallowing outcomes is unclear. Prospective studies are warranted for further investigation of these relationships.

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“…However, there is an increasing need to improve the accuracy of diagnostic tests, due to challenges including difficulties in evaluating dysfunction (for example, doctors cannot execute the sophageal television lens examination for patients with severe stroke) [5]. Figure 1 shows the anatomical structures of dysphagia, and Table 1 shows the 18 diagnosis items of the water swallow test scale proposed by DG Smithard et al at the South University of Manchester Hospital [2,[6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

A hybrid classifier based on nonlinear-PCA and deep belief networks with applications in dysphagia diagnosis

Sangwoo

Gao

Xie

et al. 2017

Computer Assisted Surgery

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Traditional dysphagia prescreening diagnostic methods require doctors specialists to give patients a total score based on a water swallow test scale. This method is limited by the high dimensionality of the diagnostic elements in the water swallow test scale with heavy workload (Towards each patient, the scale requires the doctors give score for 18 diagnostic elements respectively) as well as the difficulties of extracting and using the diagnostic scale data's non-linear features and hidden expertise information (Even with the scale scores, specific diagnostic conclusions are still given by expert doctors under the expertise). In this paper, a hybrid classifier model based on Nonlinear-Principal Component Analysis (NPCA) and Deep Belief Networks (DBN) is proposed in order to effectively extract the diagnostic scale data's nonlinear features and hidden information and to provide the key scale elements' locating methods towards the diagnostic results (The key scale elements that affect different diagnostic conclusions are given to improve the efficiency and pertinence of diagnosis and reduce the workload of diagnosis). We demonstrate the effectiveness of the proposed method using the frame of 'information entropy theory'. Real dysphagia diagnosis examples from the China-Japanese Friendship Hospital are used to demonstrate applications of the proposed methods. The examples show satisfactory results compared to the traditional classifier.

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Aspiration following stroke: is it related to the side of the stroke?

Abstract: Continuing aspiration may be related to the side of the cerebral lesion.

Cited by 51 publications

References 9 publications

Risk factors for swallowing dysfunction in stroke patients

Risk factors for swallowing dysfunction in stroke patients

Clinical and cognitive predictors of swallowing recovery in stroke

A hybrid classifier based on nonlinear-PCA and deep belief networks with applications in dysphagia diagnosis

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