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J Reconstr Microsurg 1989; 5(2): 141-144
DOI: 10.1055/s-2007-1006862
ORIGINAL ARTICLE

© 1989 by Thieme Medical Publishers, Inc.

Remote Monitoring of Free Flaps with Telephonic Transmission of Photoplethysmograph Waveforms

Jonathan W. Jones, Edmund J. Glassford, William C.J. Hillman
  • Mercy Hospital and San Diego Microsurgical Institute, San Diego, California and Computer Land, La Mesa, California
Further Information

Publication History

Accepted for publication 1988

Publication Date:
08 March 2008 (online)

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ABSTRACT

Analog waveforms from bedside photoplethysmograph flap-monitoring devices have been transmitted via telephone lines to remote monitoring stations. Two methods for data transfer have been successfully used in clinical practice. One employs equipment similar to that used for transmission of EKG signals; the second uses paired microcomputers linked with telephone modems. These readily available technologies enable remote evaluation of the adequacy of perfusion of free tissue transfers.