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Comparative Study
Lateral traction during shoulder arthroscopy: its effect on tissue perfusion measured by pulse oximetry.
- W L Hennrikus, R C Mapes, M W Bratton, and J M Lapoint.
- Department of Orthopaedic Surgery and Clinical Investigation, Naval Hospital, San Diego, California 92134-5000, USA.
- Am J Sports Med. 1995 Jul 1;23(4):444-6.
AbstractWe studied the effect of three methods of shoulder traction during arthroscopy on arterial oxygen saturation measured by a pulse oximeter applied to the fingertip of the arm in traction. Simple longitudinal traction ablated the oxygen saturation in only 1 of 30 patients. Adding vertical traction perpendicular to the arm ablated the oxygen saturation in 25 of 30 patients when a 2-inch wide sling was used and in 7 of 30 patients when a 4-inch sling was used. In this series, the pulse oximeter did not demonstrate gradual gradations in arterial oxygen saturation loss. Rather, the pulse oximeter provided an all-or-none warning signal for tissue hypoxia.
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