World journal of gastroenterology · 2015
Esophageal variceal pressure influence on the effect of ligation.
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Li Zhi-Qun, LingHu En-Qiang, Hu Min, Li Wei-Min, Huang Qi-Yang, Zhao Yong-Wei
Аннотация
AIM: To explore the effect of in vitro porcine esophageal variceal pressure on complete ligation degree for polycyclic ligators.
METHODS: An in vitro model of experimental porcine venous vessels was used to test various venous pressures. Three treatment groups were designated according to the preset pressure range: P1 = 25-30 cmH₂O; P₂ = 35-40 cmH₂O; P₃ = 45-50 cmH2O. The effect of pressure on ligation was assessed and compared among the groups.
RESULTS: Complete ligation was achieved at a rate of 56.25% (18/32) in group P1, 37.5% (12/32) in group P₂, and 33.33% (11/33) in group P₃ (χ (2) = 3.6126; P = 0.0573).
CONCLUSION: Higher variceal pressures impair the ligation completion rate. Therefore, measuring variceal pressure may help predict the effect of endoscopic ligation and guide treatment choice.
METHODS: An in vitro model of experimental porcine venous vessels was used to test various venous pressures. Three treatment groups were designated according to the preset pressure range: P1 = 25-30 cmH₂O; P₂ = 35-40 cmH₂O; P₃ = 45-50 cmH2O. The effect of pressure on ligation was assessed and compared among the groups.
RESULTS: Complete ligation was achieved at a rate of 56.25% (18/32) in group P1, 37.5% (12/32) in group P₂, and 33.33% (11/33) in group P₃ (χ (2) = 3.6126; P = 0.0573).
CONCLUSION: Higher variceal pressures impair the ligation completion rate. Therefore, measuring variceal pressure may help predict the effect of endoscopic ligation and guide treatment choice.