From bloodthirsty parasites to surgical superstars: The humble leech, a suck-cess story in surgical history.

This historical review delves into the extensive and intriguing history of leeches in surgery. The utilisation of leeches in medical practice dates back thousands of years, from ancient civilisations to the modern era. The therapeutic properties of leeches have led to their persistent presence in surgical procedures. The 'Age of Leeches' during the 18th and 19th centuries witnessed a heightened utilisation of leeches in surgical treatment, given their perceived ability to promote postoperative wound healing and alleviate blood congestion. However, advancements in medical knowledge subsequently diminished their popularity as emerging technologies overshadowed them. Nevertheless, recent years have witnessed a resurgence in the use of leeches in reconstructive surgery, driven by both a greater understanding of their biological mechanisms and their potential source of therapeutic agents. This historical review provides a comprehensive exploration of the historical timeline, societal perceptions and scientific advancements surrounding the use of leeches in surgical practice.