Endoscopically-controlled electrohydraulic intracorporeal shock wave lithotripsy (EISL) of salivary stones
Königsberger, R.; Feyh, J.; Goetz, A.; Kastenbauer, E.
Journal of Otolaryngology 22(1): 12-13
1993
ISSN/ISBN: 0381-6605 PMID: 8445694 Document Number: 420418
Twenty-nine patients with salivary stones were treated with the endoscopically-controlled electrohydraulic shock wave lithotripsy (EISL). This new minimally invasive treatment of sialolithiasis is performed under local anesthesia on an outpatient basis with little inconvenience to the patient. For endoscopy, a flexible fibrescope with an additional probe to generate shock waves is placed into the submandibular duct and advanced until the stone is identified. For shock wave-induced some disintegration, the probe electrode must be placed 1 mm in front of the concrement. The shock waves are generated by a sparkover at the tip of the probe. By means of the endoscopically-controlled shock wave lithotripsy it was possible to achieve complete stone fragmentation in 20 out of 29 patients without serious side effects. In three patients, only partial stone fragmentation could be achieved due to the stone quality. Endoscopically-controlled electrohydraulic intracorporal shock wave lithotripsy represents a novel minimally invasive therapy for endoscopically accessible gland stones. The advantages in comparison to the endoscopically-controlled laser lithotripsy will be discussed.