Sugawara M, Ogino T, Minami A, Ishii S
Am J Sports Med. 1986 Jul-Aug;14(4):329-34. doi: 10.1177/036354658601400417.
Eight baseball players developed digital ischemia as a result of repetitive ball impact. Symptoms and signs were coolness, numbness, cyanosis, paleness, and a positive reaction to the digital Allen's test. Seven of the eight players developed digital ischemia between the ages of 16 and 17. Angiograms of four patients with an occluded index digital artery are presented. Thermograms of four patients with a cool area of the left index finger are also presented. We investigated the incidence of digital ischemia by administration of a questionnaire. The respondents were 578 players belonging to clubs in junior high schools, high schools, and colleges. No digital ischemia was found in 207 junior high school baseball players. The incidence increased in high school (66 of 299) and college (29 of 72). The probability of developing digital ischemia corresponded to the accumulated playing time. Digital ischemia occurred characteristically in the left index finger.
8名棒球运动员因反复受到球的撞击而出现手指缺血。症状和体征包括发凉、麻木、发绀、苍白以及手指艾伦试验阳性反应。这8名运动员中有7名在16至17岁之间出现手指缺血。展示了4例示指动脉闭塞患者的血管造影。还展示了4例左手示指有凉区患者的热像图。我们通过问卷调查来调查手指缺血的发生率。受访者是578名来自初中、高中和大学俱乐部的运动员。207名初中棒球运动员未发现手指缺血。高中（299名中有66名）和大学（72名中有29名）的发生率有所增加。发生手指缺血的概率与累计比赛时间相关。手指缺血特征性地发生在左手示指。
