Determine the consequences of COVID-19 pandemic on routine targeted surgeries.

Five surgical procedures were considered : cataract surgery, hip and knee arthoplasties, coronary revascularisation by angioplasty and definitive cardiac stimulation.

The objective of the study is to quantify changes of these procedures in 2020 and in 2021 (up to June) compared to 2019 taking into account their annual evolution and according to the type of operation (primary or reoperation/revision) and emergency status, if applicable.

Inclusion Criteria:

• hospitalizations with at least one act of cataract surgey hip arthroplasty knee arthroplasty coronary angioplasty definitive cardiac stimulation (pacemaker)
• between January 1, 2019, and June 30, 2021

Exclusion Criteria:

-hospitalizations for personal identifier problems in the database

All hospitalizations with at least one act of each surgery between January 1, 2019, and June 30, 2021 from the French National Health Data System (SNDS).

The National Health Data System (SNDS) is a set of strictly anonymous databases, comprising all mandatory national health insurance reimbursement data, particularly data derived from processing of health care claims (electronic or paper claims) and data from health care facilities (PMSI).