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Effectiveness of Left Infrascapular Skin Temperature Monitoring in the ICU
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Young Joo Lee, Hyun Jue Gill, Kuem Hee Chung, Jeong Yeon Hong, Bong Ki Moon, Myoung Eun Kim, Min Hyup Choi, Young Seok Lee
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Korean J Crit Care Med. 1998;13(2):229-233.
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 Abstract
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- BACKGOUND: Many sites are used to measure the body temperature and each site has different physiologic and practical importance. Several types of skin temperature monitoring have been used as simple, inexpensive and viable alternatives in many settings. In the operating area, it is difficult to insert a temperature probe during operation.
The object of this study was to compare the difference and the correlation between the temperature of the left infrascapular skin region and temperatures of axilla, nasopharynx and rectum, METHODS: Forty-two adult patients who were admitted at surgical ICU were studied. After covering the bed with insulator and sheets, patients were placed in supine position. Temperature monitoring was done at the same time using four temperature probes from two bedside patient monitors in the same patient. The temperatures were measured twice at 30 minutes after application of the temperature probe at 10 minute intervals and the average temperature was recorded.
RESULTS
The differences between skin temperature and rectal, nasopharyngeal, and axillary temperatures were -0.64+/-0.21degrees C (p<0.05), -0.40+/-0.21degrees C, and 0.24+/-0.21degrees C respectively. The lineal correlation between skin temperature and rectal, nasopharyngeal, and axillary temperatures were 0.839, 0.854, and 0.819, respectively (p<0.001).
CONCLUSION
This study suggests that the monitoring of the skin temperature at the left infrascapular skin region is well correlated with the nasopharyngeal, rectal and axillary temperatures. And it will be an easy, simple and safe method which can be used for the patients who are alert but need continuous temperature monitoring in the intensive care unit and as well as for the patients who are in the middle of operation.
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Volume Changes under Isotonic Condition Containing Thiopental in Brain Astrocytoma Cells
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Young Seok Lee, Bong Ki Moon, Sang Gun Han, Young Joo Lee, Jeong Yeon Hong, Kyeong Jin Lee, Soo Han Yoon, Keum Hee Chung, Hyun Jue Gill
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Korean J Crit Care Med. 1998;13(2):194-197.
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Abstract
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- BACKGOUND: Cell volume regulation is especially important in the brain because the brain is confined within a non-compliant vault and cannot tolerate significant perturbations in cell size. Cerebral cell volume regulation mechanisms are activated by sustained disturbances in plasma osmolality. The constancy of cell volume under physiological conditions is generally thought to reflex a balance between influx and efflux of solute and is therefore critically dependent on the properties of the plasma membrane. Cell volume regulation have not been described under isoosmotic solution. The object of the study was to know the effects of thiopental on cell volume change in isoosmotic condition.
METHODS
We made isoosmotic solution without thiopental (Group 1) and isoosmotic solution with 22.9 mM (Group 2), 16.8 mM (Group 3), 13.3 mM (Group 4) thiopental, separately, in order to study changes in cell volume under isoosmotic solution. We put cultured human brain astrocytoma cells into isoosmotic solution for each group and calculated cell volume using Coulter Counter after 30 minutes.
RESULTS
Cell volume was shown to be 5084+/-8580 (micrometer3)in Group 1, 501+/-854 (micrometer3) in Group 2, 1183+/-3839 (micrometer3) in Group 3, and 624+/-1100 (micrometer3) in Group 4. We discovered that cells in Group 2,3,4 were shrunk relative to cells in Group 1 (p<0.01). And there were significant differences in cell volume among thiopental groups.
CONCLUSIONS
Thiopental may has an effect on cell membrane properties and decrease cell volume under isoosmotic solution in brain astrocytoma cell.
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Statistical Analysis of the Patients in the ICU by Using the APACHE II Scoring System
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Young Joo Lee, Keum Hee Chung, Hyun Jue Gill, Kyung Jin Lee, Sang Hyun Kim, Chang Whan Cho, Young Suk Lee
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Korean J Crit Care Med. 1998;13(1):73-78.
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Abstract
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- Introduction: The APACHE II scoring system has been promulgated as a useful tool in the assessment of the severity of disease and prognosis for patients with acute-on-chronic medical conditions. The purpose of this study was to assess the statistical association of APACHE II score and multiple variables in ICU patients.
METHODS
Prospective data on 803 ICU patients for validation of the APACHE II system were analysed. We evaluated the relationship between APACHE II scores within the first 24 hours of ICU admission and multiple variables that included days in the ICU, mortality rate and age. The patients were classified as operation and nonoperation, survival and nonsurvival groups.
RESULT
1) The APACHE II score was significantly higher in the 153 nonsurvivals (23.97+/-10.98) than in the 651 survivals (11.51+/-6.14) (p<0.05). 2) The mean APACHE II score of the nonoperation group (14.52+/-9.29) was significantly higher than operation group (12.40+/-7.30) (p<0.05). 3) The overall mortality rate was 17.8%. 4) All patients with an APACHE II score over 40 died.
CONCLUSION
The APACHE II score is statistically related with the mortality of critically ill patients.
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