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We evaluated the transcutaneous PCO2 (PtcCO2) sensor as a ventilation monitor for patients receiving epidural morphine analgesia during interstitial radiation therapy for carcinoma of the cervix. The sensor was heated to 42 degrees C. Ten patients were monitored for 18 +/- 7 h after 2.9 +/- 0.5 mg of morphine was injected epidurally. Baseline respiratory rate (RR) and PtcCO2 were 21 +/- 3 breath/min and 37 +/- 8 torr, respectively. Peak PtcCO2 was 43 +/- 7 torr, corresponding to a RR of 19 +/- 3 breath/min. The increase of PtcCO2 from baseline was statistically significant. PtcCO2 peaked from 1 to 19 h after epidural morphine, and 90% of patients showed peak values between 11 PM and 4:30 AM. The prolonged monitoring caused no complications. Although there was no clinically significant respiratory depression in these patients, the PtcCO2 sensor may be a useful monitor of ventilation during epidural morphine administration.
H J Choi, and
K K Tremper, and
R Scruggs, and
R V Asrani, and
B F Cullen
June 1991,
Zhongguo yi xue ke xue yuan xue bao. Acta Academiae Medicinae Sinicae,
H J Choi, and
K K Tremper, and
R Scruggs, and
R V Asrani, and
B F Cullen
January 1978,
Acta anaesthesiologica Scandinavica. Supplementum,
H J Choi, and
K K Tremper, and
R Scruggs, and
R V Asrani, and
B F Cullen
January 1989,
Journal of perinatal medicine,
H J Choi, and
K K Tremper, and
R Scruggs, and
R V Asrani, and
B F Cullen
January 1988,
Oncology nursing forum,
H J Choi, and
K K Tremper, and
R Scruggs, and
R V Asrani, and
B F Cullen
August 1996,
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H J Choi, and
K K Tremper, and
R Scruggs, and
R V Asrani, and
B F Cullen
August 1981,
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H J Choi, and
K K Tremper, and
R Scruggs, and
R V Asrani, and
B F Cullen
November 1994,
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H J Choi, and
K K Tremper, and
R Scruggs, and
R V Asrani, and
B F Cullen
October 1993,
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H J Choi, and
K K Tremper, and
R Scruggs, and
R V Asrani, and
B F Cullen
March 2002,
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H J Choi, and
K K Tremper, and
R Scruggs, and
R V Asrani, and
B F Cullen
December 1985,
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