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 22 January 2018

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News

Capsule endoscopy safe with implantable cardiac defibrillators

Capsule endoscopy was performed safely in patients with implantable cardiac defibrillators, and the defibrillators did not interfere with video capsule imaging, finds a study in the latest American Journal of Gastroenterology.

News image

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Wireless video capsule endoscopy is a new technology that allows visualization of the entire small intestinal mucosa.

It is indicated for the evaluation of obscure gastrointestinal bleeding and other disorders of the small intestine.

Studies to date suggest that capsule endoscopy is safe and associated with few adverse events.

The effect of capsule endoscopy on implanted cardiac devices such as implantable cardiac defibrillators and other electromedical devices has not been studied.

Dr Jonathan Leighton previously found capsule endoscopy to be safe in patients with cardiac pacemakers.

The primary aim of the study was to evaluate the safety of capsule endoscopy in patients with implantable cardiac defibrillators who were being evaluated for obscure gastrointestinal bleeding.

The team's secondary aim was to determine whether implantable cardiac defibrillators had any effect on the images captured by capsule endoscopy.

There were no arrhythmias or other adverse cardiac events during capsule transmission
American Journal of Gastroenterology

Patients referred for the evaluation of obscure gastrointestinal bleeding and who also had an implantable cardiac defibrillators were enrolled into the study after informed consent.

The researchers included 5 consecutive patients, of which 4 were females and 1 male with a mean age of 72 years with implantable cardiac defibrillators.

The research team reported that all patients had transvenous endocardial implantable cardiac defibrillators located in the chest.

Prior to capsule endoscopy, patients had a baseline electrocardiogram and implantable cardiac defibrillators interrogation.

Thereafter, capsule endoscopy was performed in a hospital setting with telemetry monitoring performed simultaneously.

A post-procedure implantable cardiac defibrillators interrogation was carried out to evaluate changes in programmed parameters.

A cardiologist and implantable cardiac defibrillators nurse specialist together reviewed both the telemetry monitor and the post-procedure implantable cardiac defibrillators interrogation on each patient.

When capsule endoscopy studies were reviewed, observations pertaining to technical difficulties and interference with video imaging were documented.

The researchers found no arrhythmia or other adverse cardiac events during capsule transmission.

The research team observed no interference by the implantable cardiac defibrillators on the capsule endoscopy video images.

Dr Leighton's team concluded, “Capsule endoscopy was performed safely in these 5 patients with implantable cardiac defibrillators, and was not associated with any adverse cardiac events.”

“Implantable cardiac defibrillators also do not appear to interfere with video capsule imaging.”

Am J Gastroenterol 2005: 100(8): 1728
10 August 2005

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