Does Duct Dilation Improve Symptoms for Chronic Parotid Sialadenitis Without Sialolithiasis?

Jolie L. Chang is a consultant for Inspire Medical Systems and Nyxoah. Jolie L. Chang is supported by the Veterans Affairs Medical Center, San Francisco, CA. The contents do not re-present the views of the U.S. Department of Veterans Affairs or those of the U.S. government. Supplemental Table 1: Characteristics of additional studies included in the systematic review (Beumer et al.) that reported ≥ 10 cases of parotid duct stenosis. NR, not reported; QOL, quality of life; VAS, visual analog scale. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.