| The Change of Colloid Osmotic Pressure during Pediatric Open Heart Surgery. |
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Chong Sung Kim, Byung Moon Ham, Sang Hwan Do |
1Department of Anesthesiology, College of Medicine, Seoul National University, Seoul, Korea.
2Department of Anesthesiology, Boramae Hosptial, Seoul, Korea. |
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| Abstract |
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To evaluate the change of colloid osmotic pressure(COP) and the correlation between COP and other parameters during pediatric open heart surgery at Seoul National University Children's Hospital, COP, protein, albumin, hemoglobin, and hematocrit, were measured immediately after induction(T1), before cardiopulmonary bypass(CPB)(T3), duringT4, T5), and after bypass(T.6, T7) and immediately after(T8) and 24 hour after(T9) arrival at intensive care unit (ICU) in l0 pediatric patients aged from l year to 13 years. Above parameters of priming solution(T2) were also measured. The results were as followings; l) The good correlation between COP and protein(r=0.87), albumin(r=0.86), hemoglobin(r=0.
80), hematocrit(r=0.77) were showed. 2) The COP of priming solution was 9.42.6 mmHg and this was definitely lower than normal value. 3) The COP during CPB was in the range from 11 to 12 mmHg(mean values) and this value was also significantly lower than normal value. 4) The COP increased from the time of weaning from CPB, but the COP at the arrival at ICU was 18.0+/-1.2 mmHg and this value was still significantly lower than normal value. 5) The COP at 24 hours after arrival at ICU was 21.7+/-1.2 mmHg and this value was not significantly different fron normal value.
Thus, the results suggest that the priming solution shuold be improved to maintain COP during and immediatelt after CPB. |
| Key Words:
Colloid osmotic pressure; Pediatric open heart surgery; Priming solution |
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