Rosato E, Zemp E, Chiarenza S, Biland L, Grasso A, Landmann J, Romeo S, Widmer L K
Angiologia. 1989 Nov-Dec;41(6):225-8.
Authors presents a retrospective study with two different ethnic groups, one of them from Catania and the other from Basilea, with varicose veins and subjected to a saphenectomy. They studies the following parameters: age at the entrance, and when varicose veins appeared; correlation between varix appearance date and subjective symptomatology; and rapport between varix complications and its duration. The possible incidence of "ambiental factor" and contrasts between the two groups are considered.
作者开展了一项针对两个不同种族群体的回顾性研究,其中一组来自卡塔尼亚,另一组来自巴塞尔,研究对象均患有静脉曲张并接受了大隐静脉切除术。他们研究了以下参数:入组时的年龄、静脉曲张出现的时间;静脉曲张出现时间与主观症状之间的相关性;以及静脉曲张并发症与其持续时间之间的关系。还考虑了“环境因素”的可能发生率以及两组之间的差异。