This is an observational, international, multicenter, cohort study, prospectively collecting clinical data registry on consecutive patients with urinary stone undergoing ECIRS.

Patients diagnosed with urinary stones and planned for ECIRS in different centres will be recruited for the study. This registry collects clinical data on patients with ECIRS performed, includes baseline information on demography, symptoms, risk factors, and laboratory variables. Treatment information, perioperative outcomes, and follow-up details (up to 3 months after surgery) will also be collected. In summary, it captures patterns of presentation and treatment parameters, as well as perioperative and short-term outcomes of patients managed by ECIRS.

Inclusion Criteria:

• Patients with urinary calculi
• Undergoing Endoscopic Combined Intrarenal Surgery (ECIRS)
• Agreed to consent for the study

Exclusion Criteria:

• Patients who have ECIRS for other conditions, such as urothelial cancer etc.
• Patients who intraoperative record was incomplete.
• Patients only have either PCNL or ureteroscopy done (not both)

Patients diagnosed with urinary stones and planned for ECIRS