SKIN-SURFACE CO2 MEASUREMENT IN SICK PRETERM AND TERM INFANTS

被引:14
作者
MERRITT, TA [1 ]
LIYAMASAWAD, S [1 ]
BOETTRICH, C [1 ]
BROOKS, JG [1 ]
机构
[1] UNIV ROCHESTER, STRONG MEM HOSP, SCH MED, DEPT PEDIAT, ROCHESTER, NY 14642 USA
关键词
D O I
10.1016/S0022-3476(81)80411-8
中图分类号
R72 [儿科学];
学科分类号
100202 ;
摘要
To evaluate the clinical usefulness of a heated CO2 electrode at 43.degree. C for measurement of skin surface PCO2 [CO2 partial pressure] 157 simultaneous determinations of PsCO2 [skin PCO2] and PaCO2 arterial PCO2) were made. Arterial samples were drawn from an umbilical artery catheter, and the PaCO2 was measured within 2 min and corrected for body temperature. Paired samples [2-43] per infant from 22 infants (gestational age = 27-40 wk) were obtained during the 1st 12 days of life. Over 4 h there was no significant drift of the electrode calibration and no significant change in PsCO2 - PaCO2 [.DELTA.). Over the range PaCO2 26-72 torr, PaCO2 was linearly related to PsCO2 (PaCO2 = 0.37 PsCO2 + 17.46) r = 0.79). To pursue the factors which determine .DELTA., step-wise multiple regression analysis was performed. The only significant independent variables were PsCO2 and postnatal age (.DELTA. = 0.79 CO2 [torr] - 1.2 age [days] - 23.9 [r = 0.93]). Insignificant independent variables were blood pressure, gestational age, hematocrit, weight at time of study and drug therapy.
引用
收藏
页码:782 / 786
页数:5
相关论文
共 28 条
  • [1] Beran A V, 1978, Acta Anaesthesiol Scand Suppl, V68, P111
  • [2] ELECTROCHEMICAL SENSOR FOR CONTINUOUS TRANSCUTANEOUS PCO2 MEASUREMENT
    BERAN, AV
    HUXTABLE, RF
    SPERLING, DR
    [J]. JOURNAL OF APPLIED PHYSIOLOGY, 1976, 41 (03) : 442 - 447
  • [3] EFFECT OF TEMPERATURE ON PCO2 AND PO2 OF BLOOD INVITRO
    BRADLEY, AF
    STUPFEL, M
    SEVERINGHAUS, JW
    [J]. JOURNAL OF APPLIED PHYSIOLOGY, 1956, 9 (02) : 201 - 204
  • [4] CABAL L, 1980, CLIN RES, V28, pA121
  • [5] COHEN AJ, 1980, PEDIATR RES, V14, P594
  • [6] CLINICAL ASSESSMENT OF GESTATIONAL AGE IN NEWBORN INFANT
    DUBOWITZ, LM
    DUBOWITZ, V
    GOLDBERG, C
    [J]. JOURNAL OF PEDIATRICS, 1970, 77 (01) : 1 - +
  • [7] ELETR S, 1978, ACTA ANAESTH SCAND, P123
  • [8] POTENTIAL ERRORS IN NEONATAL BLOOD-GAS MEASUREMENTS
    FAN, LL
    DELLINGER, KT
    MILLS, AL
    HOWARD, RE
    [J]. JOURNAL OF PEDIATRICS, 1980, 97 (04) : 650 - 652
  • [9] FREEDMAN RM, 1980, PEDIATR RES, V14, P597
  • [10] HANSEN TN, 1979, PEDIATRICS, V64, P942