Oral appliance therapy improved premature ventricular contraction (PVC) in a patient with obstructive sleep apnea syndrome

DOI Web Site 13 References
  • OKUNO Kentaro
    Division for Oral and Facial Disorders, Osaka University Dental Hospital
  • SASAO Yasuhiro
    Division for Oral and Facial Disorders, Osaka University Dental Hospital Oral Function Centar, Sasao Dental Clinic
  • NAKAMURA Yuuki
    Division for Functional Oral Neuroscience, Osaka University, Graduate School of Dentistry
  • NOHARA Kanji
    Division for Oral and Facial Disorders, Osaka University Dental Hospital
  • SAKAI Takayoshi
    Division for Functional Oral Neuroscience, Osaka University, Graduate School of Dentistry

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Other Title
  • 口腔内装置治療により睡眠時無呼吸症候群に伴う心室性期外収縮が改善した1症例
  • コウコウ ナイ ソウチ チリョウ ニ ヨリ スイミンジ ムコキュウ ショウコウグン ニ トモナウ シンシツセイキ ガイ シュウシュク ガ カイゼン シタ 1 ショウレイ

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Abstract

In this report, we present how oral appliance (OA) therapy has improved premature ventricular contraction (PVC) in a patient with obstructive sleep apnea syndrome (OSAS). The patient was a 47-year-old man, who was diagnosed as having OSAS by polysomnography (PSG). Apnea-hypopnea index (AHI) was 10.2/h. Frequent PVC were also observed during sleep by holter monitoring. Total PVCs was 35,422 times, PVC couplets was 387 times, ventricular tachycardia was 13 times. OA therapy was applied to this patient because continuous positive airway pressure therapy could not be provided through medical insurance. The PSG under OA therapy showed the improvement of OSAS, AHI was 2.0/h. The holter monitoring under OA therapy showed the improvement of PVC; Total PVCs was 96 times, PVC couplets disappeared,, ventricular tachycardia disappeared. This report shows that mild OSAS was a possible cause of severe PVC in which OA was an effective therapy.

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