Alternating Hemiplegia of Childhood: gastrointestinal manifestations and correlation with neurological impairments.

dc.contributor.author

Pratt, Milton

dc.contributor.author

Uchitel, Julie

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McGreal, Nancy

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Gordon, Kelly

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Prange, Lyndsey

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McLean, Melissa

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Noel, Richard J

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Rikard, Blaire

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Rogers Boruta, Mary K

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Mikati, Mohamad A

dc.date.accessioned

2021-02-03T14:34:48Z

dc.date.available

2021-02-03T14:34:48Z

dc.date.issued

2020-09-03

dc.date.updated

2021-02-03T14:34:46Z

dc.description.abstract

Background

Alternating Hemiplegia of Childhood (AHC) is caused by mutations of the ATP1A3 gene which is expressed in brain areas that include structures controling autonomic, gastrointestinal, gut motility and GABAergic functions. We aimed to investigate, in a cohort of 44 consecutive AHC patients, two hypotheses: 1) AHC patients frequently manifest gastrointestinal, particularly motility, problems. 2) These problems are often severe and their severity correlates with neurological impairments.

Results

41/44 (93%) exhibited gastrointestinal symptoms requiring medical attention. For these 41 patients, symptoms included constipation (66%), swallowing problems (63%), vomiting (63%), anorexia (46%), diarrhea (44%), nausea (37%), and abdominal pain (22%). Symptoms indicative of dysmotility occurred in 33 (80%). The most common diagnoses were oropharyngeal dysphagia (63%) and gastroesophageal reflux (63%). 16 (39%) required gastrostomy and two fundoplication. Severity of gastrointestinal symptoms correlated with non-paroxysmal neurological disability index, Gross Motor Function Classification System scores, and with the presence/absence of non-gastrointestinal autonomic dysfunction (pā€‰=ā€‰0.031, 0.043, Spearman correlations and 0.0166 Cramer's V, respectively) but not with the paroxysmal disability index (pā€‰=ā€‰0.408).

Conclusions

Most AHC patients have gastrointestinal problems. These are usually severe, most commonly are indicative of dysmotility, often require surgical therapies, and their severity correlates with that of non-paroxysmal CNS manifestations. Our findings should help in management-anticipatory guidance of AHC patients. Furthermore, they are consistent with current understandings of the pathophysiology of AHC and of gastrointestinal dysmotility, both of which involve autonomic and GABAergic dysfunction.
dc.identifier

10.1186/s13023-020-01474-w

dc.identifier.issn

1750-1172

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1750-1172

dc.identifier.uri

https://hdl.handle.net/10161/22329

dc.language

eng

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Springer Science and Business Media LLC

dc.relation.ispartof

Orphanet journal of rare diseases

dc.relation.isversionof

10.1186/s13023-020-01474-w

dc.subject

ATP1A3

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Alternating hemiplegia of childhood

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GMFCS

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Non-paroxysmal disability index

dc.title

Alternating Hemiplegia of Childhood: gastrointestinal manifestations and correlation with neurological impairments.

dc.type

Journal article

duke.contributor.orcid

Mikati, Mohamad A|0000-0003-0363-8715

pubs.begin-page

231

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1

pubs.organisational-group

School of Medicine

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Pediatrics, Gastroenterology, Hepatology and Nutrition

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Duke

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Pediatrics

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Clinical Science Departments

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Medicine, Gastroenterology

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Medicine

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Duke-UNC Center for Brain Imaging and Analysis

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Neurobiology

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Duke Science & Society

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Duke Institute for Brain Sciences

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Pediatrics, Neurology

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Institutes and Centers

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Basic Science Departments

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Initiatives

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Institutes and Provost's Academic Units

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University Institutes and Centers

pubs.publication-status

Published

pubs.volume

15

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