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  • Title: [A clinical study of pulmonary edema on paraquat poisoning by double indicator dilution method using heat and sodium].
    Author: Yamamoto I, Sawada Y, Ueyama M, Hirokane T, Sato K, Ishibe Y, Oono K, Yoshimitsu T.
    Journal: Kokyu To Junkan; 1989 May; 37(5):517-22. PubMed ID: 2664931.
    Abstract:
    We studied the formation of pulmonary edema on 9 patients with paraquat poisoning using thermal-sodium double indicator dilution method for the measurement of lung water. In survivors group (n = 4) extravascular thermal volume (EVTV) was not almost changes. In non-survivors group (n = 5) EVTV increased about three times as much as that in survivors group on 32 hours after admission. EVTV was correlated with PCP-PCOP in both survivors group and non-survivors group (n = 64, r = 0.665, p less than 0.01). But EVTV in non-survivors group was higher than that in survivors group within same PCP-PCOP. In non-survivors group delta EVTV/delta (PCP-PCOP) in 24 hours after admission was correlated with initial PCP-PCOP (r = 0.984, p less than 0.01). We propose that the formation of pulmonary edema on paraquat poisoning is mainly due to the increased capillary permeability, influenced by the increased pressure gradient of capillary barrier.
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