Outcomes and clinical characteristics of critically ill patients requiring inferior vena cava filters in a tertiary referral centre

has a well-established system and has a catchment area of 400,000 eligible patients. Emergency care is provided to eligible and non-eligible patients under the auspices of the oral and maxillo-facial surgical department. Approximately 16,000 to 18,000 patient visits are recorded every year and essential primary care is provided, which includes extraction and drainage of collections