The role of a 40-megadalton plasmid in the adherence and hemolytic properties of Aeromonas hydrophila |
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Authors: | DE Hanes DK Chandler |
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Affiliation: | Department of Radiology, University of Minnesota Hospital and Clinic, Minneapolis 55455. |
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Abstract: | Thirty ventilation-perfusion pulmonary scintigraphic studies were performed in 13 patients who had undergone unilateral lung transplantation. Ventilation-perfusion mismatch (ventilation better than perfusion) was judged absent, mild, moderate, or severe in the transplanted and native lungs. Ventilation-perfusion mismatch was significantly worse in the transplanted lungs (p < .0001). Findings of lung biopsies and chest roentgenograms failed to correlate with the severity of ventilation-perfusion mismatch. Hypoxic pulmonary vasoconstriction appears to be significantly impaired in most unilateral lung transplants; the mechanism for this impairment is unclear. |
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