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Idiopathic intracranial hypertension (IIH), previously known as pseudotumor cerebri and benign intracranial hypertension, is a condition characterized by increased intracranial pressure (pressure around the brain) without a detectable cause. [2] The main symptoms are headache, vision problems, ringing in the ears, and shoulder pain.
There are various categories of medical shunts and there are two main categories of shunt used in the treatment of chronic increased intracranial pressure due to cerebrospinal fluid (CSF), they are cerebral shunts and lumbar shunts (extracranial shunts). Below is a list of the various types of the above two categories of shunts:
The most common symptoms are nausea and vertigo. [21] 0.05% [22] Idiopathic intracranial hypertension: A rare neurological disorder affecting approximately 1 in 100,000 people, most of whom are women of child-bearing age. IIH results in a raised intracranial pressure and can lead to permanent loss of vision.
Intracranial hypertension (IH), also called increased ICP (IICP) or raised intracranial pressure (RICP), refers to elevated pressure in the cranium. 20–25 mmHg is the upper limit of normal at which treatment is necessary, though it is common to use 15 mmHg as the threshold for beginning treatment.
The shunt, which lies just below the skin, is cooled with an ice pack placed “upstream” of the sensor. If CSF is flowing through the shunt, the cooled fluid will move “downstream” and the ShuntCheck sensor will detect a drop in temperature. Faster shunt flow results in greater temperature decreases. If the shunt is not flowing, the ...
A Peritoneovenous shunt: (also called Denver shunt) [2] is a shunt which drains peritoneal fluid from the peritoneum into veins, usually the internal jugular vein or the superior vena cava. It is sometimes used in patients with refractory ascites. It is a long tube with a non-return valve running subcutaneously from the peritoneum to the ...
Following the bidirectional Glenn shunt, failure of the procedure can be broadly categorized as failure of procedure, cardiac dysfunction related to surgery, or cardiac dysfunction leading to death before further surgical intervention. [8] Retrospective reviews demonstrate failure of the procedure in 6.5% of patients.
The channel for the shunt is next created by inflating an angioplasty balloon within the liver along the tract created by the needle. The shunt is completed by placing a special mesh tube known as a stent or endograft to maintain the tract between the higher-pressure portal vein and the lower-pressure hepatic vein. After the procedure ...