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| Establishment and analysis of nomogram prediction model for the hypothermia risk of women during anesthesia of cesarean section |
| 1. Lu 'an Hospital of Traditional Chinese Medicine, Anhui Province, 237000；2.Affiliated Hospital of West Anhui Health Vocational College, Anhui Province |
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Abstract To investigate the risk factors of the hypothermia risk of women during anesthesia of cesarean section, and to verification by the established nomogram prediction model of the hypothermia. Methods: The clinical data of 196 women who had undergone cesarean section from July 2020 to July 2021 were analyzed retrospectively. Among them, 98 women with hypothermia were included in group A, and another 98 women without hypothermia were included in group B. The clinical data of the women were compared between the two groups. Univariate and multivariate logistic regression analysis were used to screen out the independent risk factors affecting the hypothermia occurrence of the women during anesthesia of cesarean section, and the nomogram was drawn to verify these risk factors. Results: Multivariate analysis showed that the hypothyroidism, the lumbar anesthesia, the body temperature after anesthesia <36.75℃, the intraoperative fluid loss >980ml, no active heat preservation, the duration of active heat preservation <30min, no infusion heating, the room temperature ≤23℃ when entering the operating room, and the operating room temperature ≤23℃ during operation of the women were their independent risk factors of hypothermia during anesthesia of cesarean section (P＜0.05). The C index and the area under of the calibration chart and the receiver operator characteristic (ROC) were 0.843 and 0.852, which indicating that the results of the nomogram prediction model of hypothermia had good consistency with the actual results. Conclusion: The hypothyroidism, the lumbar anesthesia, the body temperature after anesthesia <36.75℃, the intraoperative fluid loss >980ml, no active heat preservation, the duration of active heat preservation <30min, no infusion heating, the room temperature ≤23℃ when entering the operating room, and the operating room temperature ≤23℃ during operation of the women are their independent risk factors of hypothermia during anesthesia of cesarean section, which can provide reference for formulating strategies to prevent the hypothermia of the women after cesarean section.
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