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(Chest. 1966;49:467-478.)
© 1966 American College of Chest Physicians

Infrared Spectroscopy and Osmolality Analysis of Urine: Two Simple Sensitive Methods for Early Detection of Postoperative Anuria After Thoracotomy

J. T. Grismer M.D., F.C.C.P.1; L. T. Rozelle Ph.D.2; and R. B. Koch Ph.D.3

1 Thoracic Surgeon, St. Louis Park Medical Center
2 Senior Scienacutetist, Honeywell Research Center, (Hopkins, Minnesota)
3 Research Section Head, Honeywell Research Center, (Hopkins, Minnesota)

Kidney function can be rapidly and serially investigated by osmolality and by double beam infrared spectrophotometry. Osmolality measures total solutes. IR spectroscopy measures urea concentrations. These methods confirm that significant reduction in renal function occurs during surgical procedures, especially those utilizing cardiopulmonary bypass.






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Copyright © 1966 by the American College of Chest Physicians.