The proposed nomogram offers a practical, non-invasive method for early identification of patients at high risk of renal impairment from unilateral upper urinary tract stone obstruction, enabling timely intervention and optimized resource utilization. This model is particularly beneficial in primary care settings where DRS is unavailable, providing a cost-effective alternative to mitigate irreversible renal damage.
Zang et al. (Tue,) studied this question.