三、高压氧疗法

更新于 2026年10月27日 版权声明
三、高压氧疗法

高压氧促进毛细血管的开放和功能恢复,提高血氧分压、组织氧分压和有效血氧弥散半径,并能促进物理溶解氧,增加了血氧含量及氧储量,因此可有效地改善闭塞血管远端组织的缺氧状态。高压氧可加速毛细血管增生和侧支循环的建立,改善毛细血管的通透性,有效阻止血浆、水分的外渗,减轻局部水肿,增加患肢的血供;并能使红细胞氧合作用增加,血液黏度和细胞凝聚活性下降;改善神经组织缺血、缺氧状态,神经膜细胞活力增加,加速细胞的有丝分裂和髓鞘的形成。高压氧可提高溃疡局部氧化亚氮浓度,促使局部生长因子发挥良好作用,促进组织的更新,加速溃疡愈合疗效明显。高浓度的组织氧还可抑制厌氧菌的生长及毒素产生,有利于控制感染,促进炎症消散,加速组织修复,同时亦可促进药物吸收,缩短病程,从而有效防治溃疡。

高压氧疗法在VLU的应用是将患者需要治疗的部位置于高压氧舱内,强化进行供氧,尤其适用于溃疡愈合缓慢、局部水肿明显的患者。国外有学者报道慢性血管性溃疡患者在经过高压氧治疗后,由于溃疡的愈合,患者远期生活质量得到了显著提高。

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