Transvenous phrenic nerve stimulation for treating central sleep apnea may regulate sleep microstructure

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dc.contributor.authorHartmann, S.
dc.contributor.authorImmanuel, S.
dc.contributor.authorMcKane, S.
dc.contributor.authorLinz, D.
dc.contributor.authorParrino, L.
dc.contributor.authorBaumert, M.
dc.date.issued2024
dc.description.abstractStudy objectives: To assess the impact of transvenous phrenic nerve stimulation (TPNS) on non-rapid eye movement sleep microstructure quantified by cyclic alternating pattern (CAP) in individuals with central sleep apnea (CSA). Methods: We analyzed baseline and 6-month follow-up overnight polysomnograms (PSG) in 134 CSA patients enrolled in the remed¯e System Pivotal Trial implanted with TPNS randomized (1:1) to neurostimulation (treatment group) or no stimulation (control group). Differences in CAP rate, A1 index, and A2+A3 index between study arms at follow-up were assessed using Analysis of Covariance adjusted for baseline values. Results: On follow-up PSG, the treatment group showed a decrease in the frequency of A2+A3 phases compared to controls (− 5.86 ± 11.82 vs. 0.67 ± 15.25, p = 0.006), while the frequency of A1 phases increased more in the treatment group (2.57 ± 11.67 vs. − 2.47 ± 10.60, p = 0.011). The change in CAP rate at follow-up was comparable between study arms. Conclusions: TPNS treatment for central sleep apnea may affect sleep microstructure. Brief phases of rapid cortical activity appear to be replaced by short phases of slower cortical activity, which may promote sleep continuity. Further investigations are warranted to elucidate the mechanisms underlying the effect of TPNS on CAP.
dc.description.statementofresponsibilitySimon Hartmann, Sarah Immanuel, Scott McKane, Dominik Linz, Liborio Parrino, Mathias Baumert
dc.identifier.citationSleep Medicine, 2024; 113:70-75
dc.identifier.doi10.1016/j.sleep.2023.11.005
dc.identifier.issn1389-9457
dc.identifier.issn1878-5506
dc.identifier.orcidHartmann, S. [0000-0001-9689-0594]
dc.identifier.orcidLinz, D. [0000-0003-4893-0824]
dc.identifier.orcidBaumert, M. [0000-0003-2984-2167]
dc.identifier.urihttps://hdl.handle.net/2440/140309
dc.language.isoen
dc.publisherElsevier BV
dc.rights© 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
dc.source.urihttp://dx.doi.org/10.1016/j.sleep.2023.11.005
dc.subjectCyclic alternating pattern; Central sleep apnea; Transvenous phrenic nerve stimulation
dc.titleTransvenous phrenic nerve stimulation for treating central sleep apnea may regulate sleep microstructure
dc.typeJournal article
pubs.publication-statusPublished

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