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Related Concept Videos

Cardiac Catheterization II: Right Heart Catheterization01:21

Cardiac Catheterization II: Right Heart Catheterization

Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...
Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
Self-Locking Screw01:16

Self-Locking Screw

A square-threaded screw jack is a mechanical device widely used for lifting heavy loads or applying considerable force. One of the key features that can make a screw jack more effective and reliable is its self-locking capability.
A square-threaded screw jack carrying a load is considered self-locking if the screw retains its position even after the moment applied to it is removed.
Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...

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A Lightweight Drive Implant for Chronic Tetrode Recordings in Juvenile Mice
06:34

A Lightweight Drive Implant for Chronic Tetrode Recordings in Juvenile Mice

Published on: June 2, 2023

Ventricular catheter tack-down screw.

Louis Crevier1, Aria Fallah, Neilank Jha

  • 1Division of Neurosurgery, Department of Surgery, McMaster University, Hamilton, Ont., Canada.

Pediatric Neurosurgery
|May 16, 2008
PubMed
Summary
This summary is machine-generated.

Pediatric neurosurgeons often revise ventriculoperitoneal shunts due to catheter dislodgement. A new technique uses titanium screws to secure the shunt reservoir to the skull, potentially reducing revisions.

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Published on: February 28, 2012

Area of Science:

  • Neurosurgery
  • Biomedical Engineering

Background:

  • Ventriculoperitoneal shunts are frequently revised, especially in pediatric patients.
  • Catheter dislodgement, particularly in posterior fossa shunts, is a common reason for revision.
  • Current practice involves suturing the shunt to the periosteum.

Purpose of the Study:

  • To introduce and evaluate a novel technique for securing ventriculoperitoneal shunts.
  • To reduce shunt revisions caused by proximal end displacement in pediatric patients.

Main Methods:

  • A new method of fastening the shunt reservoir directly to the skull using titanium screws is described.
  • This technique aims to provide a more secure attachment compared to traditional methods.

Main Results:

  • The described technique offers a potentially more secure fixation of the shunt reservoir.
  • This enhanced security may lead to a reduction in shunt revisions related to proximal end displacement.

Conclusions:

  • The novel technique of using titanium screws for direct skull fixation of ventriculoperitoneal shunts shows promise.
  • This method has the potential to decrease the rate of shunt revisions in pediatric neurosurgery.