What is pulsesynchronous tinnitus objetivo,i hear humming in my ear 2014,trinus vr 2.0.5 full utorrent - Step 1

IIH first presentation in a 19-year-old Female with pulse-synchronous tinnitus and positional headache.
A 31-year-old obese female presented to her eye doctor with a history of headaches and transient visual obscurations for six months. Review of Systems: She reports significant weight fluctuations over the last several months.
The patient's dose of Diamox was increased to 2 gm daily, given that she had papilledema, persistent headaches, transient visual obscurations and pulse synchronous tinnitus. She has since been doing well and her Diamox was tapered off without further complications. Idiopathic Intracranial Hypertension (IIH) is a condition in which the cerebrospinal fluid (CSF) is under high pressure in the absence of an intracranial mass, venous sinus thrombosis or other primary cause (see differential diagnosis).
There is a female preponderance for this disease, and the peak age of onset is in the third decade of life.
Although no associated conditions besides recent weight gain are usually found, many conditions have been linked to high intracranial pressure. Over 90% of patients in this study had visual loss documented by perimetry (Wall and George, 1991).
First, imaging studies of the patient's head (via magnetic resonance imaging or computed tomography) must be normal except for the signs of raised intracranial pressure (empty sella, flattened globes, collapsed lateral sinus). A variety of treatments for IIH have been proposed and there is much anecdotal evidence for these treatments. For patients requiring medical therapy, acetazolamide (Diamox®) is the most commonly used medication.

Intractable headache or progression of visual loss despite maximal medical treatment requires surgical therapy. Placement of a shunt (lumboperitoneal or ventriculoperitoneal) is another surgical treatment option.
Any disorder that blocks the flow of spinal fluid between the brain and the jugular venous system can cause raised pressure. Next, the cerebrospinal fluid pressure is measured by a lumbar puncture and the pressure must be elevated. There is no evidence-based data currently available but an NIH sponsored clinical treatment trial is beginning in 2009.
The primary surgical options are optic nerve sheath fenestration or a CSF diversion procedure (shunt). The device diverts cerebrospinal fluid to the abdomen or into the jugular vein (ventriculojugular).
Idiopathic intracranial hypertension and orthostatic edema may share a common pathogenesis.
For example, scarring of the arachnoid granulations by meningitis can cause raised intracranial pressure. It appears that in addition to weight reduction, sodium restriction is also a useful adjunct.
Optic nerve sheath fenestration involves the creation of a window in the sheath-like covering of the optic nerve.
Both types of surgeries have their own risks and benefits and unfortunately about 50% of shunts fail at some point.

Similarly, blood clots in the veins draining the brain can cause increased intracranial pressure. We recommend that patients lose about one pound a week for several months and then maintain the weight loss. This creates an outlet for escape of cerebrospinal fluid and alleviates the direct pressure on the optic nerve. Steroids can be used to lower pressure while the patient is awaiting a CSF shunting procedure. The mechanism of the beneficial effect of weight loss on this disease is unclear but there are parallels with the beneficial effect of weight loss and sodium restriction for treatment of essential hypertension. Later, the area around the nerve within the nerve sheath scars down further protecting the optic disc from damage. This has led some researchers to look for an association with hormonal changes within the body, but to date no consistent associations have been found. Another diuretic commonly used that appears to be effective in some patients is furosemide (Lasix®). Topiramate (Topamax®) is used for migraine prophylaxis and has been found to be effective in the treatment of headaches associated with IIH.

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02.08.2015 admin

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