“…In general, complications may be classified into major and minor (Electronic Supplementary Material, Appendix S3), with the major complications classified as those that require hospital admission for an outpatient procedure, or those that cause an increase in the level of care or necessitate a prolonged stay for hospitalised patients, or lead to permanent unplanned sequelae or death. 8,9,13,17 Conversely, minor complications may be classified as having no sequelae, necessitating minimal therapy, or short-stay hospital admission for observation. 8,9,13,17 Major complications, such as haemorrhage, renal failure, and septicaemia, can be minimised with optimum patient management in the pre-procedural period.…”