
[生理] 血管擴張
Objective: To study the effect of hyperbaric oxygen and angiectasis on treating injuries of optic nerve after brain trauma.
目的:高壓氧及血管擴張劑治療外傷性視神經損傷的療效,探索治療外傷性視神經損傷的有效方法。
Vascular proliferation, angiectasis, perivascular lymphocyte infiltration, hemorrhage, necrosis, cystoid degeneration and calcification were seen frequently.
血管增生擴張、血管周圍淋巴細胞浸潤、出血、壞死、囊性變常見。
The inhibitory actions of it on the increase of abdominal cavity capillary permeability in mice due to acetic acid and the angiectasis of skin in rats due to histamine were also observed.
并觀察對醋酸緻小鼠腹腔毛細血管通透性及組胺所緻大鼠皮膚血管擴張的抑制作用;
血管擴張(angiectasis)是醫學術語,指血管(包括動脈、靜脈或毛細血管)的異常擴張或增寬現象。這一病理狀态可能由先天性結構缺陷、炎症反應或血管壁壓力異常等因素引發。根據《默克診療手冊》,血管擴張常見于局部組織損傷或慢性疾病(如肝硬化導緻的門靜脈高壓)。
典型臨床表現包括皮膚表面可見的迂曲血管(如蜘蛛痣)、受累器官功能障礙,嚴重時可伴隨血管破裂出血。美國國家醫學圖書館指出,診斷需結合影像學檢查(如多普勒超聲)和血管造影技術。
治療方向依據病因可分為:
《哈裡森内科學》強調,早期識别和管理潛在病因對預防并發症至關重要。
angiectasis 是醫學術語,指血管擴張,具體解釋如下:
若需更專業的臨床意義或具體病例信息,建議查閱醫學詞典或文獻。
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