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Persistent primitive hypoglossal artery presenting as a pulsatile neck mass.
J Vasc Surg
December 2024
Department of Vascular Surgery, Lankenau Medical Center, Wynnewood PA.
Carotid endarterectomy in the setting of persistent hypoglossal artery.
J Vasc Surg Cases Innov Tech
February 2025
Division of Vascular Surgery, Department of Cardiothoracic and Vascular Surgery, McGovern Medical School at UTHealth Houston, Houston, TX.
Persistent hypoglossal artery (PHA) is a rare, anatomical variant in which the posterior cerebral circulation is primarily supplied by a branch of the carotid artery, rather than the vertebral arteries. This case report discusses carotid endarterectomy performed on a man, 67 years of age, with high-grade, asymptomatic carotid artery stenosis and ipsilateral PHA. Preoperative computed tomography angiography identified the PHA arising from the internal carotid artery, compensating for atretic bilateral vertebral arteries and providing primary perfusion to anterior spinal artery.
View Article and Find Full Text PDFPersistent Hypoglossal Artery as a Rare Anatomical Variation Mimicking Carotid Artery Aneurysm: A Case Report.
Cureus
September 2024
Vascular and Endovascular Surgery, Vascular Surgery Clinic, Institute for Cardiovascular Diseases "Dedinje", Belgrade, SRB.
We present a case of a rare vascular variation of the persistent hypoglossal artery (PHA) in a 57-year-old Caucasian female patient with a medical history of poorly controlled hypertension, headaches, diabetes mellitus, and depression. This anatomical variation was initially misdiagnosed as an internal carotid artery (ICA) aneurysm during the extracranial carotid Doppler imaging conducted due to nonspecific symptoms of cerebrovascular insufficiency, manifesting as coordination disturbances. PHA is one of the four vertebrobasilar anastomoses, originating from the cervical segment of the ICA.
View Article and Find Full Text PDFUpper Airway Stimulation for Children and Adolescents with Down Syndrome: Long-Term Follow-Up.
Laryngoscope
October 2024
Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye and Ear, Boston, Massachusetts, U.S.A.
Article Synopsis
- Hypoglossal nerve stimulation (HGNS) is shown to be safe and effective for adolescents with Down syndrome (DS) suffering from severe obstructive sleep apnea (OSA), with positive long-term outcomes yet to be fully evaluated.
- A study followed 42 patients over several years, with significant reductions in the Apnea Hypopnea Index (AHI), indicating improved sleep quality; 87.9% of patients showed response rates by the end of the follow-up period.
- The findings suggest that HGNS can lead to continued improvement in sleep parameters, and further research is needed to explore impacts on neurocognition and quality of life for these patients.
Relationship of Modified Sleep Apnea Severity Index and HGNS Efficacy and Adherence in OSA Patients.
Laryngoscope
September 2024
Departments of Otolaryngology & Sleep Medicine, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, U.S.A.
Article Synopsis
- Hypoglossal nerve stimulation (HGNS) is being studied as a treatment for patients with obstructive sleep apnea (OSA) who cannot tolerate CPAP, using the modified sleep apnea severity index (mSASI) to assess its efficacy and adherence.
- A retrospective study of 264 patients found that, while there were no significant differences in device usage hours based on mSASI levels, higher mSASI scores correlated with greater daytime sleepiness post-HGNS.
- Overall, preoperative mSASI did not significantly affect HGNS adherence, suggesting a need for further research on its utility in this patient group.
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