Phrenic nerve stimulation in an ovine model with temporary removable pacing leads.
Temporary neurostimulation
ovine model
phrenic nerve
Journal
Journal of thoracic disease
ISSN: 2072-1439
Titre abrégé: J Thorac Dis
Pays: China
ID NLM: 101533916
Informations de publication
Date de publication:
Aug 2022
Aug 2022
Historique:
received:
18
12
2021
accepted:
08
04
2022
entrez:
8
9
2022
pubmed:
9
9
2022
medline:
9
9
2022
Statut:
ppublish
Résumé
The objective of this study was to assess the feasibility and safety of a novel, removable, surgically implanted, temporary neurostimulation approach involving the distal portion of the phrenic nerve. Temporary phrenic nerve pacing electrodes were implanted surgically using an ovine model (4 animals). The primary endpoint was the ability to successfully match the animal's minute-ventilation upon implantation of both phrenic nerve pacers on day 1. Secondary endpoints were successful phrenic neurostimulation by both electrodes 15 and 30 days after initial implantation. We also assessed safe removal of the electrodes at 15 and 30 days after implementation. In 3 of 4 animals, electrodes were successfully implanted in both right and left phrenic nerves. On day 1, median ventilation-minute induced by neurostimulation was not significantly different from baseline ventilation-minute [4.9 L·min Efficient temporary neurostimulation through the distal portion of the phrenic nerve was possible at baseline. The main complication was the displacement of electrodes on the right phrenic nerve on two occasions, which was due to the anatomy of the ovine model. It compromised diaphragm pacing on day 15 and day 30. The electrodes could be safely removed percutaneously without damage to the phrenic nerves.
Sections du résumé
Background
UNASSIGNED
The objective of this study was to assess the feasibility and safety of a novel, removable, surgically implanted, temporary neurostimulation approach involving the distal portion of the phrenic nerve.
Methods
UNASSIGNED
Temporary phrenic nerve pacing electrodes were implanted surgically using an ovine model (4 animals). The primary endpoint was the ability to successfully match the animal's minute-ventilation upon implantation of both phrenic nerve pacers on day 1. Secondary endpoints were successful phrenic neurostimulation by both electrodes 15 and 30 days after initial implantation. We also assessed safe removal of the electrodes at 15 and 30 days after implementation.
Results
UNASSIGNED
In 3 of 4 animals, electrodes were successfully implanted in both right and left phrenic nerves. On day 1, median ventilation-minute induced by neurostimulation was not significantly different from baseline ventilation-minute [4.9 L·min
Conclusions
UNASSIGNED
Efficient temporary neurostimulation through the distal portion of the phrenic nerve was possible at baseline. The main complication was the displacement of electrodes on the right phrenic nerve on two occasions, which was due to the anatomy of the ovine model. It compromised diaphragm pacing on day 15 and day 30. The electrodes could be safely removed percutaneously without damage to the phrenic nerves.
Identifiants
pubmed: 36071760
doi: 10.21037/jtd-21-1944
pii: jtd-14-08-2748
pmc: PMC9442545
doi:
Types de publication
Journal Article
Langues
eng
Pagination
2748-2756Informations de copyright
2022 Journal of Thoracic Disease. All rights reserved.
Déclaration de conflit d'intérêts
Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://jtd.amegroups.com/article/view/10.21037/jtd-21-1944/coif). All authors report funding of the experimental procedures by Atrotech (Tampere, Finland). The authors have no other conflicts of interest to declare.
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