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  • Title: [Study on the relationship between changes of adrenomedulin in plasma and vascular resistance during traumatic shock in rats].
    Author: Sun GB, Huang ZH, Li Z, Song HJ, Tao WG, Long J.
    Journal: Zhongguo Wei Zhong Bing Ji Jiu Yi Xue; 2003 Dec; 15(12):751-3. PubMed ID: 14659063.
    Abstract:
    OBJECTIVE: To observe the changes of adrenomedulin in plasma and vascular resistance during traumatic shock in rats. METHODS: The concentration of adrenomedulin in plasma of rats after traumatic shock was detected by radio immunization. Mean arterial pressure, total peripheral vascular resistance (TPVR) and cardiac index (CI) were estimated by electrical conductance method. RESULTS: The concentration of adrenomedulin in plasma of traumatic shock without resuscitation group (68.34+/-3.71)ng/L and traumatic shock with resuscitation group (146.27+/-9.83)ng/L were higher than that of control group(32.63+/-7.55)ng/L (P<0.01 and P<0.05). TPVR of traumatic shock with resuscitation group (10.57+/-0.35) kPa.s.L-1 was lower than that of traumatic shock without resuscitation group (16.75+/-0.23) kPa.s.L-1(P<0.01) and its CI (215.59+/-1.29) ml.min-1.kg-1 was higher than that of traumatic shock without resuscitation group (143.11+/-0.86) ml.min-1.kg-1 (P<0.01). CONCLUSION: Adrenomedulin is closely correlated with changes of vascular resistance and plays an important role during pathophysiological processes in rats after traumatic shock.
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