The unique characteristics of sialolithiasis following drug-induced hyposalivation

Gal Avishai*, Yehonatan Ben-Zvi, Gavriel Chaushu, Eli Rosenfeld, Leon Gillman, Vadim Reiser, Hanna Gilat

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives: Assess clinical, imaging, operative, and post-operative characteristics of drug-induced vs. non-drug-induced sialolithiasis that are termed ‘other etiologies of sialolithiasis.’ Materials and methods: Data collected from a retrospective cohort of 96 patients who underwent intra-oral sialolith removal operations were categorized as patient disease characteristics, physical examination results, and imaging and therapeutic features. Patients were divided into two groups based on having drug-induced sialolithiasis (DIS) vs. other etiologies of sialolithiasis (OES). Patients who consumed any medication for chronic conditions were regarded as DIS. Statistical analyses were conducted to elucidate differences and similarities between the two groups. Results: There were 60 patients in the DIS group and 36 in the OES group. DIS patients were significantly older (average age 57.9 vs. 39.8 years, respectively), with no gender predilection. Statins and anti-hypertensive medications were most commonly consumed. Presenting symptoms including number of past swellings, salty tasting saliva, pain, and antibiotic treatment were similar between the groups; mealtime-related swelling of the gland was noted in a higher proportion of OES patients (51.5% vs. 37%, respectively). Analysis of sialolith size and location from fixed anatomical landmarks on the mandible were not different between groups, and the most frequent sialolith location was the hilus gland in DIS vs. intra-glandular in OES patients. Sialolith removal operation time was significantly shorter for DIS patients (45 ± 11.5 vs. 61.1 ± 18.1 minutes). Conclusion: Drug-induced sialolithiasis may be regarded as a unique entity with a typical clinical age, presenting symptoms, imaging characteristics, and surgery duration. Clinical relevance: Clinicians should be aware of the above-mentioned differences when treating patients with sialolithiasis and anticipate a more challenging sialolith removal procedure for other etiologies of sialolithiasis, possibly due to underlying anatomical factors of the duct system. When treating drug-induced sialolithiasis, clinicians can expect a shorter operation time with a similar success rate and hospitalization time as with a younger, healthier population with other sialolithiasis etiologies.

Original languageEnglish
Pages (from-to)4369-4376
Number of pages8
JournalClinical Oral Investigations
Volume25
Issue number7
DOIs
StatePublished - Jul 2021

Keywords

  • Hyposalivation
  • Salivary glands
  • Sialolith surgery
  • Sialolithiasis

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