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Association between perioperative diuretic use and postoperative outcomes following Mohs micrographic surgery

Clinical Nephrology
|August 18, 2026
PubMed

Insights

Diuretic use in patients undergoing Mohs surgery increases risks for infection, rash, and other complications. Loop and osmotic diuretics were identified as key risk factors for adverse postoperative outcomes.

Area of Science:

  • Dermatology
  • Pharmacology
  • Public Health

Background:

  • Patients undergoing Mohs micrographic surgery (MMS) often have cardiometabolic conditions requiring diuretic use.
  • The impact of perioperative diuretic exposure on MMS outcomes is not well understood.

Purpose of the Study:

  • To investigate the association between perioperative diuretic use and postoperative outcomes in patients undergoing MMS.
  • To identify specific diuretic classes contributing to adverse events.

Main Methods:

  • Retrospective cohort study using the TriNetX database.
  • 1:1 matched analysis of patients based on perioperative diuretic use.
  • Evaluation of outcomes at 30 and 90 days post-surgery.

Main Results:

  • Diuretic use was associated with significantly higher odds of surgical site infection (30-day OR 1.29, 95% CI 1.03-1.62; 90-day OR 1.36, 95% CI 1.12-1.65).
  • Increased odds of rash or cellulitis were observed (30-day OR 1.95, 95% CI 1.68-2.26; 90-day OR 1.92, 95% CI 1.74-2.13).
  • Diuretic use correlated with higher risks of pain, opioid use, ED visits, sepsis, and short-term mortality; loop and osmotic diuretics were primary drivers.

Conclusions:

  • Perioperative diuretic use is linked to a higher incidence of postoperative complications following Mohs surgery.
  • Clinicians should consider diuretic status when assessing surgical risk and managing patients undergoing MMS.
  • Further research into optimizing perioperative management for diuretic users is warranted.