Long-term monitoring of respiration with a mediastinal pressure sensor in dogs

George S. Goding, David W. Eisele, Alan R. Schwartz, Mark A. Christopherson, Roy L. Testerman

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The ability of an implanted mediastinal pressure sensor to produce a stable respiratory signal that could be used to trigger stimulation of upper airway muscles was examined. In 6 dogs, a pressure sensor was secured to the manubrium (4 by wires and 2 by transmanubrial placement). In 6 other dogs, the pressure sensor was placed in the upper anterior mediastinum. The animals were monitored for a minimum of 8 weeks (2 transmanubrial sensors for 12 months). Sensors that were able to maintain a midline position, high in the mediastinum, had the best signals. A caudal sensor position or abutment against an intrathoracic structure caused signal inversion (unusable signals). Transmanubrial placement resulted in a stable signal for 1 year. We conclude that long-term monitoring of respiration with a mediastinal pressure sensor can be successfully performed in dogs, providing an adequate signal for nerve-muscle stimulation. Separation from cardiovascular structures improves signal quality.

Original languageEnglish (US)
Pages (from-to)215-220
Number of pages6
JournalAnnals of Otology, Rhinology and Laryngology
Volume110
Issue number3
DOIs
StatePublished - Mar 2001

Keywords

  • Dog
  • Long-term monitoring
  • Mediastinal pressure sensor
  • Respiration

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