anastomoos

Anastomoois (Greek: *ἀναστομώω*, "to sew together") refers to the surgical connection between two structures that are normally separate, allowing for the transfer of fluids, such as blood, bile, or digestive contents. The term is commonly used in medical and biological contexts, particularly in vascular, biliary, and gastrointestinal surgeries.

In vascular anastomosis, blood vessels are surgically joined to restore blood flow, often following trauma, bypass procedures, or reconstructive surgeries. Techniques vary depending on the vessel type—arteries and veins may require precise suturing to maintain proper circulation. Anastomoses are also critical in organ transplants, where donor and recipient vessels must be reconnected to ensure viability.

Biliary anastomosis involves connecting the bile ducts, typically in procedures like liver transplants or drainage surgeries for blocked bile flow. Gastrointestinal anastomoses link segments of the digestive tract, such as in bowel resections or bypass surgeries, to maintain continuity of the digestive process.

The success of an anastomosis depends on proper surgical technique, tissue compatibility, and postoperative care to prevent complications like leakage, stenosis (narrowing), or infection. Advances in microsurgery and robotic-assisted techniques have improved precision, reducing risks and enhancing outcomes in complex anastomotic procedures.