Warm sitz bath as an adjunctive therapy for distal ureteral calculi ≤5 mm: a prospective study - Scorecard - MDSpire

Warm sitz bath as an adjunctive therapy for distal ureteral calculi ≤5 mm: a prospective study

  • By

  • Li-diao Li

  • Jing-jing Lou

  • Ze-peng Wu

  • Xiang Hu

  • Hai-ou Lv

  • Yu-han He

  • July 1, 2026

  • 0 min

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Clinical Scorecard: Efficacy of Warm Sitz Baths as a Complementary Treatment for Distal Ureteral Stones ≤5 mm: A Prospective Investigation

At a Glance

CategoryDetail
ConditionDistal Ureteral Calculi (DUC) ≤5 mm
Key MechanismsWarm sitz baths (WSB) may facilitate stone passage and alleviate pain.
Target PopulationPatients aged 18–65 with DUC ≤5 mm presenting with renal colic.
Care SettingUrological practice and outpatient management.

Key Highlights

  • WSB group had a shorter stone expulsion time (9.3 days vs. 14.3 days, P < 0.001).
  • Higher stone expulsion rates at week 1 (40.7% vs. 21.0%, P = 0.019) and week 2 (81.4% vs. 61.3%, P = 0.015) in WSB group.
  • WSB group reported fewer daily pain episodes (0.8 vs. 1.3, P < 0.001) and lower VAS scores (3.1 vs. 4.2, P < 0.001).
  • No significant differences in adverse events between WSB and control groups.
  • Overall 4-week stone expulsion rate was not significantly different (93.2% vs. 87.1%, P = 0.260).

Guideline-Based Recommendations

Diagnosis

  • Diagnosis established by abdominal ultrasonography, KUB radiography, or non-contrast CT.

Management

  • WSB as an adjunctive therapy for DUC ≤5 mm.

Monitoring & Follow-up

  • Follow-up with ultrasonography as first-line imaging to assess stone passage.

Risks

  • Potential for recurrent renal colic and urinary tract infection during observation.

Patient & Prescribing Data

Patients with DUC ≤5 mm and normal renal function.

WSB is a non-pharmacological intervention that may reduce pain and facilitate stone expulsion.

Clinical Best Practices

  • Encourage adequate fluid intake (2.0 L daily) to facilitate stone passage.
  • Consider WSB for symptom relief in patients with DUC ≤5 mm.

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