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Related Concept Videos

Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
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Mechanical Ventilation II: Invasive Ventilation

Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
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Shunt Admittances

Shunt admittances play a crucial role in the analysis of transmission lines, particularly for three-phase systems with neutral conductors. When a uniformly charged conductor is positioned above the Earth, it induces an equal but opposite charge on its surface. This interaction creates electric field lines between the conductor and the Earth.
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Mitral Regurgitation IV: Nursing Management01:28

Mitral Regurgitation IV: Nursing Management

Mitral regurgitation (MR) is a condition where the mitral valve does not close properly, leading to the backward flow of blood from the left ventricle into the left atrium during systole. This condition can arise from various causes, including rheumatic fever, infective endocarditis, or degenerative valve disease. Effective nursing management is crucial to optimizing patient outcomes and involves comprehensive assessment and targeted interventions.Comprehensive Patient AssessmentA detailed...
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...

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Related Experiment Video

Updated: May 24, 2026

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
14:59

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus

Published on: October 14, 2022

Third ventriculostomy in shunt malfunction.

Pietro Spennato1, Claudio Ruggiero, Ferdinando Aliberti

  • 1Department of Pediatric Neurosurgery, Santobono-Pausilipon Pediatric Hospital, Naples, Italy.

World Neurosurgery
|March 3, 2012
PubMed
Summary
This summary is machine-generated.

Secondary endoscopic third ventriculostomy (ETV) offers a viable alternative to shunt revision for noncommunicating hydrocephalus. Expert neuroendoscopists can achieve success rates comparable to primary ETV, even with shunt infections.

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Establishment and Confirmation of a Postnatal Right Ventricular Volume Overload Mouse Model
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Last Updated: May 24, 2026

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
14:59

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus

Published on: October 14, 2022

Establishment and Confirmation of a Postnatal Right Ventricular Volume Overload Mouse Model
06:04

Establishment and Confirmation of a Postnatal Right Ventricular Volume Overload Mouse Model

Published on: June 9, 2023

Area of Science:

  • Neurosurgery
  • Neurology
  • Medical Devices

Background:

  • Endoscopic third ventriculostomy (ETV) is a primary treatment for noncommunicating hydrocephalus.
  • Secondary ETV, performed after shunt placement, has become increasingly common.
  • This study focuses on ETV as an alternative to shunt revision in malfunctioning or infected shunts.

Purpose of the Study:

  • To review the anatomical considerations for secondary ETV.
  • To define patient selection criteria for secondary ETV.
  • To evaluate the outcomes of ETV as an alternative to shunt revision.

Main Methods:

  • Review of ventricular system anatomy in patients with shunt malfunction.
  • Analysis of patient selection criteria for secondary ETV.
  • Evaluation of ETV results in cases of shunt malfunction or infection.

Main Results:

  • Secondary ETV success rates are comparable to primary ETV in well-selected patients.
  • ETV can offer shunt independence for patients with blocked shunts and suitable anatomy.
  • Shunt infection does not preclude ETV, though success rates may be reduced.

Conclusions:

  • Secondary ETV is a viable option for patients with shunt malfunction, regardless of hydrocephalus cause.
  • Shunt infection should not be an absolute contraindication for ETV.
  • Due to higher complication risks, secondary ETV requires performance by expert neuroendoscopists.