Items tagged “interventional”

Endovascular aneurysm repair (EVAR) was first pioneered in the early 1990s. Since then, the technology of the devices has rapidly progressed, and EVAR is now widely used to treat thoracic and abdominal aortic aneurysms (AAA). The advantages of endovascular repair over open repair are that it is...

Transjugular intrahepatic portosystemic shunt (TIPS or TIPSS) is a treatment for portal hypertension in which direct communication is formed between a hepatic vein and a branch of the portal vein, thus allowing some proportion of portal flow to bypass the liver. The target portosystemic gradient...

Rectus sheath hematomas, as the term implies, occur when a hematoma forms in the rectus abdominis muscle/rectus sheath. It is most common in its lower segment and is generally self-limiting. Epidemiology Rectus sheath hematomas are more common in women with a 3:1 F:M ratio. Clinical presentat...

Endocrine venous sampling is a set of similar interventional techniques proposed for the specific diagnosis of some endocrine disorders such as:  inferior petrosal sinus sampling evaluates for ACTH-secreting pituitary adenoma as etiology for endogenous Cushing syndrome selective venous sampli...

The superficial cervical plexus nerve block is a field block indicated for procedures involving, and anesthesia of, the anterolateral neck and the skin overlying the clavicle. The superficial cervical plexus (SCP) includes the greater auricular, lesser occipital, transverse cervical, and supracl...

The Chiba needle is one of the most commonly used biopsy/percutaneous access needles. It is a two-part hollow needle with a beveled tip angled at 30 degrees. The inner stylet (which is also beveled) is removable. The beveling of the Chiba needle results in superior steering compared to conventio...

A supraclavicular brachial plexus block is indicated for establishing sensory and motor blockade of the upper extremity, including the humerus, elbow, forearm, wrist and hand.  Indications necessity to provide analgesia of the upper extremity for: abscess incision and drainage elbow dislocat...

An esophageal balloon tamponade device is a form of balloon catheter designed to exert direct pressure on bleeding gastro-esophageal varices in order to obtain hemostasis. It is considered a temporizing measure in hemodynamically unstable patients in whom endoscopic (or angiographic) interventio...