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Purpose: To discuss the cost-benefit performance (CBP) and establish a medical fee system for robotic-assisted thoracic surgery (RATS) under the Japanese National Health Insurance System (JNHIS), which is a system not yet firmly established., Methods: All management steps for RATS are identical, such as preoperative and postoperative management. This study examines the CBP based on medical fees of RATS under the JNHIS introduced in 2016., Results: Robotic-assisted laparoscopic prostatectomy (RALP) and robotic-assisted partial nephrectomy (RAPN) now receive insurance reimbursement under the category of use of support devices for endoscopic surgery ($5420 and $3485, respectively). If the same standard amount were to be applied to RATS, institutions would need to perform at least 150 or 300 procedures thoracic operation per year to show a positive CBP ($317 per procedure as same of RALP and $130 per procedure as same of RAPN, respectively)., Conclusion: Robotic surgery in some areas receives insurance reimbursement for its "supportive" use for endoscopic surgery as for RALP and RAPN. However, at present, it is necessary to perform da Vinci Surgical System Si (dVSi) surgery at least 150-300 times in a year in a given institution to prevent a deficit in income.

Objective: The purpose of this study was to determine if our predictive scoring system, E-PASS, can estimate the surgical outcome., Methods: We conducted a multicenter cohort study for 3 years in four national hospitals. A consecutive series of 731 patients who underwent elective thoracic operations were analyzed. The preoperative risk score (PRS) and the comprehensive risk score (CRS) of the E-PASS were determined preoperatively and immediately after the operation, respectively. The cost of the surgical admission and the severity of the postoperative complications were recorded at the time of discharge., Results: The CRS significantly correlated with the severity of the postoperative complications (rs = 0.728, P < 0.0001) and the charge (rs = 0.530, P< 0.0001). When the estimated/real morbidity ratio (MR) among the hospitals was compared, it varied from 0.16 to 0.59. A significant increase in the cost was observed according to the CRS., Conclusion: The E-PASS scoring system may be useful for standardizing the patient population and surgical severity to compare the surgical outcome.