The impact of phone counseling on urinary stone prevention

Amihay Nevo, Karen L. Stern, Jonathan P. Moore, Mitchell R. Humphreys, Mark D. Tyson, Mira T. Keddis

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Objective: We compared the effect of standard office-based consultation (OC) and phone correspondences (PC) on dietary 24-h urinary parameters. Methods: The medical record of all patients treated between January and April 2019 was reviewed. Only patients who had at least two consecutive 24-h urine collections were included. Linear and logistic regressions were used to investigate the difference between the changes in urinary parameters after OC and PC. Results: Forty-three patients underwent 135 OC and 34 PC. Twenty-one received OC and PC, and 22 had only OC. Gender, age, the distance to stone clinic, the number of previous stone episodes, and baseline urinary parameters were similar between the groups. Patients who had both OC and PC had a longer follow-up time (51.7 vs 18.5 months, p < 0.0001) as well as more consults (Median 5.4 vs 2.5, p < 0.0001). Six (27%) patients who had only OC, and eight (38%) patients who had both OC and PC, experienced stone recurrence during the study period (p = 0.52). Following PC, there was a greater improvement in urine volume in comparison to OC (0.27 l/day vs -0.06 l/day, p = 0.034), but there was no difference in the absolute values after the consults between the groups. Conclusion: In established stone-clinic patients, PC was associated with a better adherence with follow-up. The 24-h urine results were similar between PC and OC. PC may be an effective alternative for urinary stone management.

Original languageEnglish (US)
Pages (from-to)1625-1629
Number of pages5
JournalWorld Journal of Urology
Issue number5
StatePublished - May 2021


  • 24-h urine collection
  • Kidney stones
  • Telemedicine

ASJC Scopus subject areas

  • Urology


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