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  • Title: Hemodynamic changes during inhalation 50% nitrous oxide in dental extraction on essential hypertensive patients.
    Author: Zhang G, Xue Z, Xu L, Ju Y.
    Journal: Zhonghua Kou Qiang Yi Xue Za Zhi; 2002 Sep; 37(5):359-60. PubMed ID: 12425849.
    Abstract:
    OBJECTIVE: To study the effects of cardiovascular function in dental extraction on hypertensive patients by inhalation 50% nitrous oxide. METHODS: The 30 hypertensive patients were randomly allocated into two groups: A group inhalation the 50% nitrous oxide and oxygen, B group inhalation the air and O(2). To measured the HR, BP, and SpO(2) in dental extraction. RESULTS: In a group the changes of blood pressure and heart rate are more smoother than B group. Two groups were significant in HR, BP and SpO(2) (P < 0.01). CONCLUSIONS: Inhalation with 50% nitrous oxide can keep the stability of cardiovascular system and it is a valid method in dental extraction on hypertensive patients.
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