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Oxygen Saturation in Healthy Infants Immediately after Birth

Author: HeYuanYuan
Tutor: WuMingYuan
School: Zhejiang University
Course: Obstetrics and Gynaecology
Keywords: Infant , neonatal Pulse oximetry Catheter before and after catheter loop Vaginal delivery Cesarean section
CLC: R722.1
Type: Master's thesis
Year: 2009
Downloads: 19
Quote: 0
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Abstract


【Introduction】 In recent years, the oxygen concentration in neonatal resuscitation process selected more and more by the pulse oxygen saturation detected by neonatal oxygen saturation (Pulse Oximeter Oxygen Saturation, SpO 2 ) instead of \However, due to the fetus experienced by the relative hypoxia to normal transition physiological processes, changes in oxygen saturation in this process of the law and related standards in the end how is not yet to see a formal study and reported. [Objective] To explore the feasibility and method of of pulse oximetry dynamic detection, early birth observe the different mode of delivery were born healthy birth catheter before and after catheter dynamic trend of the oxygen saturation, and compare and analysis of the characteristics of its change. [Methods] selected at random from June 2009 to September gestational age greater than or equal to 35 weeks, infants less than 42 weeks as the research object. Neonatal included in the observational study of vaginal delivery and cesarean deliveries, respectively, according to birth order has parity number were divided into catheter before and after catheter groups, such as neonatal asphyxia (Apgar score ≤ 7), hypoxia, anemia, malformations, and heart and lung diseases to be screening, each group of 50 newborn oximetry data analysis. 2 catheter group oxygen saturation monitor probe fixed in the palm of your right hand, fixed catheter group oxygen saturation monitor on the left foot arch. 3 OUTCOME MEASURES: fetus (completely leave the mother) to the time of cord clamping. To mind when umbilical cord clamp, were recorded to 10 minutes each time point thereafter 1,2,3 ...... the SpO 2 values ??recorded SpO 2 90% desired time (such as within 10 minutes, does not reach 90%, the recording time is automatically extends rearwardly). 4 Statistical analysis: SPSS10.0 statistical software, the group asked two were compared using t test, count data using the chi-square test; P <0.05 statistically significant difference. 【Results】 1 after birth minutes SpO 2 measured rate of 74.5%, measured the rate of 93% at 2 minutes, 3 minutes after 100% can be measured. SpO 2 were tested process of gradually increased in the 2 groups after birth. Vaginal delivery the newborn, the catheter group was born one minute before SpO 2 to 63.18 ± 14.05% to 91.08 ± 4.85%, 5 minutes, 10 minutes, 96.14 ± 2.47%; catheter The group was born one minute the SpO 2 to 57.41 ± 15.05% to 86.86 ± 6.92%, 5 minutes, 10 minutes, 94.26 ± 3.39%. Cesarean section neonatal catheter group was born one minute before SpO 2 to 57.02 ± 12.65%, 85.56 ± 7.34% at 5 minutes, 10 minutes, 95.24 ± 2.91%; catheter SpO 2 was born one minute after the group was 47.5 ± 13.09%, 81.36 ± 8.94% at 5 minutes, 10 minutes, 93.52 ± 3.73%. 3-born children born after the catheter before and after catheter the SpO 2 comparison, regardless of the mode of delivery, oxygen saturation catheter before birth, after birth than those of the catheter after. Vaginal delivery of newborns through various time points after birth the SpO 2 comparison, Zhong Zhisheng after 2 minutes 10 minutes after birth, the group at each time point after the catheter SpO 2 are lower than the catheter former group, P <0.05, the difference was statistically significant. Group SpO before catheter 2 reached 90% of the time required for 251 ± 97 seconds and 364 ± 150 seconds shorter than the catheter group (P <0.05), the difference was statistically significant. Cesarean newborn has the same discovery, to 10 minutes after birth, each time point after catheter group SpO 2 were lower than the catheter former group (P <0.05), the difference was statistically significant . SpO 2 90% of the time required for 357 ± 122 seconds catheter former group than the catheter group 436 ± 166 seconds shorter (P <0.05), the difference was statistically significant. 4 different mode of delivery of newborns born SpO 2 compare born neonatal catheter delivery before SpO 2 comparison, nine minutes after vaginal delivery after birth within SpO 2 were higher than cesarean infants (P <0.05), the difference was statistically significant. The the the vaginal childbirth newborns SpO 2 90% of the average time required for 251 ± 97 seconds, compared with cesarean section group 357 ± 122 seconds shorter (P <0.05), the difference was statistically significant. Similarly, within six minutes after birth in the catheter group after vaginal delivery SpO 2 values ??were higher than cesarean infants (P <0.05), the difference was statistically significant. The the the vaginal childbirth newborns SpO 2 90% of the average time required for 364 ± 150 seconds, compared with cesarean section group 436 ± 166 seconds shorter (P <0.05), the difference was statistically significant. [Conclusion] healthy newborns from birth to post-natal the SpO 10 minutes 2 was gradually increased. 2 either vaginal delivery or cesarean birth, birth early the same point in time catheter before SpO 2 values ??were higher than the catheter, the catheter before SpO 2 value reaches 90% of the time required is shorter than the catheter after. 3 Whether catheter before and after vaginal delivery the newborn after birth the early same point in time SpO 2 higher than cesarean birth newborns, to reach 90% of the required time.

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CLC: > Medicine, health > Pediatrics > Newborns, premature children disease > Neonatal disease
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