水蛭疗法缓解骨关节炎引起的疼痛

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根据一项新的研究,尽管水蛭疗法听起来可能像是一种矛盾修辞法,但在缓解骨关节炎的疼痛和炎症方面,它可能比其他疗法更有效。这项研究结果发表在最新一期的《风湿病年鉴》上。

事实上,水蛭曾经被广泛用于缓解疼痛,但在上个世纪逐渐不再流行。为了评估这种老式方法的有效性,德国埃森-米特诊所的安德烈亚斯·米夏尔森和他的同事进行了一项初步研究,对象是16名患有膝盖疼痛超过六个月的患者。X光片显示,所有参与者都有明显的骨关节炎迹象,他们的平均年龄为68岁。除了受试者已经纳入治疗方案的锻炼、物理疗法、放松疗法和饮食改变外,还有十名患者接受了水蛭疗法来缓解疼痛。这包括将四只医用水蛭放在发炎的膝盖上,并在那里停留80分钟。另外六名患者接受了常规的疼痛治疗。

研究人员记录了患者在开始疼痛治疗前三天和治疗结束后28天的疼痛程度。尽管最初的水蛭叮咬对一些患者来说有点疼,但这种疗法在24小时内带来了明显的疼痛缓解。缓解效果在四周后仍然持续,没有副作用或感染。相比之下,接受常规治疗的参与者没有报告疼痛缓解。


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至于为什么这些令人厌恶的生物可能具有如此舒缓的效果,作者指出,水蛭唾液中含有多种镇痛、麻醉和类组胺化合物。尽管他们的研究规模很小,研究人员表示,他们的结果表明水蛭疗法值得进一步研究

Kate Wong is an award-winning science writer and senior editor at 大众科学 focused on evolution, ecology, anthropology, archaeology, paleontology and animal behavior. She is fascinated by human origins, which she has covered for more than 25 years. Recently she has become obsessed with birds. Her reporting has taken her to caves in France and Croatia that Neandertals once called home, to the shores of Kenya's Lake Turkana in search of the oldest stone tools in the world, to Madagascar on an expedition to unearth ancient mammals and dinosaurs, to the icy waters of Antarctica, where humpback whales feast on krill, and on a "Big Day" race around the state of Connecticut to find as many bird species as possible in 24 hours. Kate is co-author, with Donald Johanson, of Lucy's Legacy: The Quest for Human Origins. She holds a bachelor of science degree in biological anthropology and zoology from the University of Michigan. Follow Wong on X (formerly Twitter) @katewong

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