Status of groin hernia repair in Japan: analysis of the 2024 annual report from the National Clinical Database
摘要
To analyze the data on groin hernia repair practice in Japan in 2024 and present the recent changes in open repair technique selection.
MethodsWe performed a retrospective descriptive analysis of groin hernia repairs registered in the National Clinical Database (NCD) of Japan in 2024, using nationwide data and a Japanese Hernia Society–registered subset with detailed procedure variables for 2021–2024.
ResultsIn the nationwide dataset, inguinal laparo-endoscopic and open repairs accounted for 58.2% and 38.2% of all groin hernia repairs, respectively. Among open repairs in the Japanese Hernia Society–registered dataset, underlay mesh repair was the most common subtype of primary repair until 2023, but decreased over time. The proportion of anterior onlay mesh repairs increased from 21.8% in 2021 to 32.0% in 2024, while the proportion of plug-and-patch repairs remained stable at approximately 24%. For recurrent open repairs, plug-and-patch repair remained the most common subtype, accounting for approximately 37%–39%, whereas underlay mesh repair decreased from 28.4% in 2021 to 21.0% in 2024, and anterior onlay mesh repair increased from 17.7% in 2021 to 26.0% in 2024.
ConclusionsOpen groin hernia repair remains common in Japan, and its composition is shifting toward the use of anterior onlay mesh repair, although plug-and-patch and underlay mesh repairs are still performed widely.