PMID: 2105412Jan 1, 1990Paper

Positive influence of nifedipine on early-stage minipig shock lung

Lung
J WutheR Rüfer

Abstract

Mechanical and biochemical lesions can be observed in shock lung. To investigate the influence of the calcium antagonist nifedipine on these lesions, we produced shock lung in male minipigs. Three groups (control, thrombin, and thrombin + nifedipine; n = 5) were formed. In the second and third group thrombin was administered intravenously (400 IU/kg body weight) over a period of 2 h. After that the animals received aminocaproic acid (100 mg/kg body weight/h) throughout the rest of the study. Nifedipine was administered in the third group at a dosage of 46 micrograms/kg body weight/h. During the investigation period coagulation and hemodynamic status were examined as well as blood gas levels. Then the isolated lungs were examined. Without nifedipine there was a significant decrease in arterial PO2, an increase in airway opening pressure (Pi), and a decrease in weight-specific end-inspiratory lung compliance (Ci). These changes were not observed under the influence of nifedipine, after which the results were similar to the control group. This demonstrates a positive influence of nifedipine on the acid-base status and the investigated lung mechanical parameters.

References

Aug 1, 1976·The Journal of Trauma·D TrunkeyM A Carpenter
Apr 14, 1977·The New England Journal of Medicine·A A MathéC A Leslie
Dec 1, 1981·Prostaglandins·E W SpannhakeP J Kadowitz
Jun 25, 1981·The New England Journal of Medicine·G SimonneauA Lockhart

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