Where is the splanchnic vein located?
The splenic vein is a large vessel located retroperitoneally in the upper part of the abdominal cavity. The main function of this blood vessel is to drain the venous blood from the spleen. In addition to the spleen, it drains parts of the stomach, pancreas and the hindgut.
What is a splanchnic vein?
Splanchnic vein thrombosis (SVT) is an unusual manifestation of venous thromboembolism which involves one or more abdominal veins (portal, splenic, mesenteric and supra-hepatic veins).
What organs are drained by the splenic vein?
The splenic vein drains the spleen, part of the pancreas, and part of the stomach.
How is splenic vein thrombosis treated?
Splenectomy is the first line treatment in variceal bleeding with splenic artery embolization and percutaneous recanalization available as options for non-surgical candidates.
What are the symptoms of splanchnic vein thrombosis?
Clinical manifestations of SVT are nonspecific. The most common symptom is abdominal pain, reported in approximately half of SVT patients, followed by gastrointestinal bleeding and ascites. Other nonspecific symptoms are nausea, vomiting, anorexia, diarrhoea or constipation, and fever.
What causes splanchnic vasodilation?
Several vasoactive systems/substances, such as nitric oxide, cyclooxygenase-derivatives, carbon monoxide and endogenous cannabinoids are activated in portal hypertension and are responsible for the marked splanchnic vasodilatation.
How is splanchnic thrombosis diagnosed?
Computed tomography (CT) is the diagnostic method of choice in splanchnic vein thrombosis. In cases of right upper quadrant abdominal pain, the first study to perform is typically a Doppler ultrasound. Doppler ultrasound is less costly and more comfortable to achieve than CT scan or magnetic resonance imaging (MRI).
Which vein drains blood from the hepatic flexure of the colon?
The inferior mesenteric vein drains blood from the rectum, sigmoid colon, descending colon and splenic flexure.
What does superior mesenteric vein drain into?
It terminates by uniting with the splenic vein and forming the portal vein. The main function of the superior mesenteric vein is to drain the blood from the distal portion of the gastrointestinal tract….Superior mesenteric vein.
| Drains from | Union of tributaries from the terminal ileum, caecum and vermiform appendix |
|---|---|
| Drains to | Hepatic portal vein |
Is splenic vein thrombosis serious?
Portal vein thrombosis is a serious condition. If caught early, PVT can be treatable with noninvasive procedures and treatment.
What is splenic vein?
The splenic vein (formerly the lienal vein) is a blood vessel that drains blood from the spleen, the stomach fundus and part of the pancreas. It is part of the hepatic portal system.
What is portal vessel?
The portal vein or hepatic portal vein (HPV) is a blood vessel that carries blood from the gastrointestinal tract, gallbladder, pancreas and spleen to the liver. This blood contains nutrients and toxins extracted from digested contents.