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Arikawa T, Nakajima T, Yazawa H, Kaneda H, Haruyama A, Obi S, Amano H, Sakuma M, Toyoda S, Abe S, Tsutsumi T, Matsui T, Nakata A, Shinozaki R, Miyamoto M, Inoue T. Clinical Usefulness of New R-R Interval Analysis Using the Wearable Heart Rate Sensor WHS-1 to Identify Obstructive Sleep Apnea: OSA and RRI Analysis Using a Wearable Heartbeat Sensor. J Clin Med 2020; 9:jcm9103359. [PMID: 33092145 PMCID: PMC7589311 DOI: 10.3390/jcm9103359] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/11/2020] [Accepted: 10/16/2020] [Indexed: 01/20/2023] Open
Abstract
Obstructive sleep apnea (OSA) is highly associated with cardiovascular diseases, but most patients remain undiagnosed. Cyclic variation of heart rate (CVHR) occurs during the night, and R-R interval (RRI) analysis using a Holter electrocardiogram has been reported to be useful in screening for OSA. We investigated the usefulness of RRI analysis to identify OSA using the wearable heart rate sensor WHS-1 and newly developed algorithm. WHS-1 and polysomnography simultaneously applied to 30 cases of OSA. By using the RRI averages calculated for each time series, tachycardia with CVHR was identified. The ratio of integrated RRIs determined by integrated RRIs during CVHR and over all sleep time were calculated by our newly developed method. The patient was diagnosed as OSA according to the predetermined criteria. It correlated with the apnea hypopnea index and 3% oxygen desaturation index. In the multivariate analysis, it was extracted as a factor defining the apnea hypopnea index (r = 0.663, p = 0.003) and 3% oxygen saturation index (r = 0.637, p = 0.008). Twenty-five patients could be identified as OSA. We developed the RRI analysis using the wearable heart rate sensor WHS-1 and a new algorithm, which may become an expeditious and cost-effective screening tool for identifying OSA.
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Affiliation(s)
- Takuo Arikawa
- Department of Cardiovascular Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321-0293, Japan; (T.A.); (H.Y.); (H.K.); (A.H.); (S.O.); (H.A.); (M.S.); (S.T.); (S.A.); (T.I.)
| | - Toshiaki Nakajima
- Department of Cardiovascular Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321-0293, Japan; (T.A.); (H.Y.); (H.K.); (A.H.); (S.O.); (H.A.); (M.S.); (S.T.); (S.A.); (T.I.)
- Correspondence: ; Tel.: +81-282-86-1111; Fax: +81-282-86-5633
| | - Hiroko Yazawa
- Department of Cardiovascular Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321-0293, Japan; (T.A.); (H.Y.); (H.K.); (A.H.); (S.O.); (H.A.); (M.S.); (S.T.); (S.A.); (T.I.)
| | - Hiroyuki Kaneda
- Department of Cardiovascular Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321-0293, Japan; (T.A.); (H.Y.); (H.K.); (A.H.); (S.O.); (H.A.); (M.S.); (S.T.); (S.A.); (T.I.)
| | - Akiko Haruyama
- Department of Cardiovascular Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321-0293, Japan; (T.A.); (H.Y.); (H.K.); (A.H.); (S.O.); (H.A.); (M.S.); (S.T.); (S.A.); (T.I.)
| | - Syotaro Obi
- Department of Cardiovascular Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321-0293, Japan; (T.A.); (H.Y.); (H.K.); (A.H.); (S.O.); (H.A.); (M.S.); (S.T.); (S.A.); (T.I.)
| | - Hirohisa Amano
- Department of Cardiovascular Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321-0293, Japan; (T.A.); (H.Y.); (H.K.); (A.H.); (S.O.); (H.A.); (M.S.); (S.T.); (S.A.); (T.I.)
| | - Masashi Sakuma
- Department of Cardiovascular Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321-0293, Japan; (T.A.); (H.Y.); (H.K.); (A.H.); (S.O.); (H.A.); (M.S.); (S.T.); (S.A.); (T.I.)
| | - Shigeru Toyoda
- Department of Cardiovascular Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321-0293, Japan; (T.A.); (H.Y.); (H.K.); (A.H.); (S.O.); (H.A.); (M.S.); (S.T.); (S.A.); (T.I.)
| | - Shichiro Abe
- Department of Cardiovascular Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321-0293, Japan; (T.A.); (H.Y.); (H.K.); (A.H.); (S.O.); (H.A.); (M.S.); (S.T.); (S.A.); (T.I.)
| | - Takeshi Tsutsumi
- Division of Cardiology, Eda Memorial Hospital, Kanagawa 225-0012, Japan;
| | - Taishi Matsui
- Union Tool Co. Ltd., Tokyo 140-0013, Japan; (T.M.); (A.N.); (R.S.)
| | - Akio Nakata
- Union Tool Co. Ltd., Tokyo 140-0013, Japan; (T.M.); (A.N.); (R.S.)
| | - Ryo Shinozaki
- Union Tool Co. Ltd., Tokyo 140-0013, Japan; (T.M.); (A.N.); (R.S.)
| | - Masayuki Miyamoto
- Center of Sleep Medicine, Dokkyo Medical University Hospital, Tochigi 321-0293, Japan;
| | - Teruo Inoue
- Department of Cardiovascular Medicine, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Tochigi 321-0293, Japan; (T.A.); (H.Y.); (H.K.); (A.H.); (S.O.); (H.A.); (M.S.); (S.T.); (S.A.); (T.I.)
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