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Related Concept Videos

Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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Angle Closure Glaucoma: Treatment01:28

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Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
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Measurement of Blood Pressure01:17

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Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
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Related Experiment Video

Updated: Jul 1, 2025

Intracranial Pressure Monitoring In Nontraumatic Intraventricular Hemorrhage Rodent Model
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Rebound Intracranial Hypertension.

Simy K Parikh1

  • 1Department of Neurology, Jefferson Headache Center, Thomas Jefferson University Hospitals, Philadelphia, PA, USA. Simy.parikh@jefferson.edu.

Current Pain and Headache Reports
|March 2, 2024
PubMed
Summary
This summary is machine-generated.

Rebound intracranial hypertension (RIH) is a complication after treating spontaneous intracranial hypotension (SIH). Understanding RIH pathophysiology may link high and low intracranial pressure disorders.

Keywords:
CSF hydrodynamicsCSF leakIdiopathic intracranial hypertensionRebound intracranial hypertensionSpontaneous intracranial hypertension

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Area of Science:

  • Neurology
  • Neurosurgery
  • Intracranial Pressure Disorders

Background:

  • Spontaneous intracranial hypotension (SIH) is characterized by low cerebrospinal fluid pressure.
  • Rebound intracranial hypertension (RIH) is a complication following SIH treatment.
  • RIH presents with transient, high-pressure headache symptoms.

Purpose of the Study:

  • To review the epidemiology, clinical features, risk factors, and treatment options for RIH.
  • To explore the connection between RIH, idiopathic intracranial hypertension (IIH), and SIH.

Main Methods:

  • Literature review of RIH, IIH, and SIH.
  • Analysis of pathophysiological mechanisms linking intracranial pressure disorders.

Main Results:

  • Changes in venous pressure and craniospinal elastance contribute to RIH symptoms.
  • RIH, IIH, and SIH may exist on a shared spectrum of intracranial pressure regulation.
  • Pathophysiology of RIH offers insights into the relationship between high and low ICP disorders.

Conclusions:

  • RIH is a significant post-procedural complication in SIH management.
  • Understanding the shared pathophysiology can inform diagnosis and treatment of related intracranial pressure disorders.
  • Further research into the spectrum of intracranial pressure disorders is warranted.