Koch Drew W, Easley Jeremiah T, Nelson Brad B, Delcambre Jeremy J, McCready Erin G, Hackett Eileen S
Department of Clinical Sciences, Colorado State University, Fort Collins, CO 80523, USA.
Department of Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA.
J Vet Sci. 2018 Nov 30;19(6):835-839. doi: 10.4142/jvs.2018.19.6.835.
Auditory tube diverticula, also known as guttural pouches, are naturally occurring dilations of the auditory tube in horses that communicate with the nasopharynx through a small ostium. Infection and select other conditions can result in inflammation and narrowing of the nasopharyngeal ostium, which prevents drainage of fluid or egress of air and can lead to persistent infection or guttural pouch tympany. Auditory tube diverticulotomy allows continuous egress from the auditory tube diverticula and is a feature of disease treatment in horses, in which medical treatment alone is not successful. Transpharyngeal endoscopic auditory tube diverticulotomy was performed using a diode laser either at a single dorsal pharyngeal recess location or bilaterally caudal to the nasopharyngeal ostium in 10 horse head specimens. Both methods resulted in clear communication between the nasopharynx and auditory tube diverticula. Diverticulotomy performed in the dorsal pharyngeal recess required less laser energy and activation time and had a shorter surgical duration than diverticulotomy performed caudal to the nasopharyngeal ostium. Further study related to the clinical application of both techniques is warranted.
咽鼓管憩室，也称为喉囊，是马的咽鼓管自然形成的扩张，通过一个小孔与鼻咽相通。感染和其他特定情况可导致鼻咽口发炎和变窄，从而阻止液体引流或空气排出，并可能导致持续感染或喉囊鼓胀。咽鼓管憩室切开术可使咽鼓管憩室持续引流，是马匹疾病治疗的一项措施，仅靠药物治疗往往无效。在10个马头标本中，使用二极管激光在单个背侧咽隐窝位置或鼻咽口后方双侧进行经咽内镜咽鼓管憩室切开术。两种方法均使鼻咽与咽鼓管憩室之间实现了通畅引流。与在鼻咽口后方进行憩室切开术相比，在背侧咽隐窝进行憩室切开术所需的激光能量和激活时间更少，手术时间更短。两种技术的临床应用仍需进一步研究。
