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Related Experiment Video

Updated: May 24, 2026

Computed Tomography (CT) Guided Implantation of a Totally Implantable Venous Access Port (TIVAP) through Subclavian Vein

Computed Tomography (CT) Guided Implantation of a Totally Implantable Venous Access Port (TIVAP) through Subclavian Vein

Published on: January 13, 2026

Clearing obstructed totally implantable central venous access ports: an efficient protocol using a second needle.

Sonia Muguet¹, Sébastien Couraud, Emilie Perrot

¹Hospices Civils de Lyon, Centre Hospitalier Lyon Sud, Service de pneumologie, 165 chemin du grand Revoyet, 69495, Pierre Bénite CEDEX, France.

Supportive Care in Cancer : Official Journal of the Multinational Association of Supportive Care in Cancer

|March 3, 2012

Summary

A new protocol effectively unblocks totally implantable central venous access ports (IVAPs) in oncology patients, achieving a 92% success rate. This safe and efficient method avoids invasive surgery for IVAP obstruction.

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Last Updated: May 24, 2026

Computed Tomography (CT) Guided Implantation of a Totally Implantable Venous Access Port (TIVAP) through Subclavian Vein

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A Protocol to Set Up Needle-Free Connector with Positive Displacement on Central Venous Catheter in Intensive Care Unit

A Protocol to Set Up Needle-Free Connector with Positive Displacement on Central Venous Catheter in Intensive Care Unit

Published on: July 13, 2019

Area of Science:

Oncology
Medical Devices
Interventional Radiology

Background:

Totally implantable central venous access ports (IVAPs) are crucial for chemotherapy delivery in oncology.
IVAP obstruction, though rare, can lead to treatment delays and necessitate surgery.

Purpose of the Study:

To evaluate the efficacy and safety of a novel nursing-led IVAP unblocking protocol.
To identify factors associated with IVAP obstruction.

Main Methods:

A retrospective review of 12 patients who underwent a three-step unblocking protocol (needle exchange, saline flush, urokinase).
Data collected on protocol success, complications, and obstruction causes.

Main Results:

The protocol achieved a 92% success rate (11/12 patients) in unblocking IVAPs.
No local or general complications were reported post-procedure.
Obstruction most commonly occurred during IVAP use, often linked to specific infusions or non-flushing.

Conclusions:

The implemented IVAP unblocking protocol is effective and safe for clinical practice.
This protocol offers a non-surgical solution for IVAP obstruction, minimizing patient disruption.