Czech Anesthesia Day 2019 was designed as a prospective observational trial with the aim to evaluate the current anesthesiology practice in Czech Republic.

Anesthesiology centers in Czech Republic was screened for cooperation during the year 2018. Data from centers with previously confirmed cooperation will be screened and filled into the electronic database. The basic information about the centre, patient´s demography, American Society of Anesthesiologist classification (ASA), type of surgery/anesthesia, airway management, type of anesthesia induction, drugs for anesthesia induction a and anesthesia maintenance, used monitors of vital signs and functions, type and amount of infusions, temperature management, intravenous lines management, patient blood management, mechanical ventilation settings and postoperative admission will be recorded.

Inclusion Criteria:

• Patients from confirmed Anesthesiology Centers - previously confirmed the cooperation (center is registered in the online database with the unique identification)

Exclusion Criteria:

• Data from centers with not confirmed cooperation

Patients undergoing surgical or diagnostic procedure under anesthesia in the Czech Republic