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  • Title: Study on sildenafil combined with inhalational nitric oxide therapy on the curative effects and serum levels of HIF-1α, ET-1, and calcium in neonatal pulmonary hypertension.
    Author: Liu G, Wu HW, Li ZG.
    Journal: Eur Rev Med Pharmacol Sci; 2018 Jul; 22(14):4683-4690. PubMed ID: 30058708.
    Abstract:
    OBJECTIVE: To explore the effect of sildenafil combined with inhalational nitric oxide (NO) therapy on the curative effects and serum levels of hypoxia-inducible factor (HIF)-1α, endothelin-1 (ET-1), and calcium in persistent pulmonary hypertension of the newborn (PPHN). PATIENTS AND METHODS: Eighty-six patients with neonatal pulmonary hypertension treated in Xuzhou Children's Hospital from March 2015 to February 2016 were randomly divided into the observation group and control group, treated with sildenafil and sildenafil combined with inhalational NO, respectively. The clinical efficacy of newborns in the two groups was compared. Fraction of inspiration O2 (FiO2), Oxygen Index (OI), blood oxygen partial pressure (PaO2), blood oxygen saturation (SpO2), and pulmonary arterial pressure of newborns in the two groups were compared before treatment and 2 h, 12 h, and 24 h after treatment. The serum levels of HIF-1α, ET-1, and calcium of patients in the two groups were compared before treatment and 3, 5, 7 days after treatment. RESULTS: The total effective rate of the observation group (95.34%) was significantly higher than that of the control group (74.41%) (p<0.05). After treatment, FiO2, OI, and pulmonary arterial pressure of patients in the two groups decreased, and the decrease in the observation group was significantly lower than in the control group (p<0.05). After treatment, PaO2 and SpO2 of patients in the observation group were higher than those of the control group. The levels of HIF-1α and ET-1 of patients in the two groups decreased and were significantly lower in the observation group compared with the control group. The levels of calcium of patients in the two groups increased and were significantly higher in the observation group than the control group (p<0.05). CONCLUSIONS: Sildenafil combined with inhalational NO therapy for neonatal pulmonary hypertension can quickly improve oxygenation, effectively reduce pulmonary arterial hypertension, and is worthy of clinical application.
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