Robotic-assisted cryosurgical treatment of atrioventricular node reentrant tachycardia

Eric J. Lehr, Evelio Rodriguez, Louis Mathieu Stevens, L. Wiley Nifong, W. Randolph Chitwood

    Research output: Contribution to journalArticle

    Abstract

    Atrioventricular nodal reentrant tachycardias typically arise from the existence of variable refractoriness in fast and slow conduction pathways within the triangle of Koch, which provide input to the atrioventricular node. Standard therapy includes medical management and catheter-based ablation procedures. Robotic-assisted, minimally invasive cryosurgical modification of the atrioventricular node can provide definitive therapy for patients who fail traditional therapy. A 65-year-old man presented with a several-year history of recurrent atrioventricular nodal reentrant tachycardia. Despite medical management and attempted percutaneous ablation, the patient remained symptomatic with weekly episodes. Access was via a 4-cm right anterolateral thoracotomy and peripheral perfusion. The da Vinci S robotic system was used to manipulate the cryoprobe (CryoMaze Probe; ATS Medical, Plymouth, MN USA). A series of spot freezes (tip 60°C) were made along the boundaries of the triangle of Koch until transient complete heart block was achieved and nodal rhythm was recovered. At follow-up 3 weeks postoperatively, the patient was asymptomatic in first-degree heart block. Robotic-assisted cryosurgical atrioventricular node ablation is an effective, minimally invasive treatment for patients with atrioventricular nodal reentrant tachycardia.

    Original languageEnglish (US)
    Pages (from-to)126-128
    Number of pages3
    JournalInnovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
    Volume6
    Issue number2
    DOIs
    StatePublished - Mar 1 2011

    Fingerprint

    Atrioventricular Node
    Robotics
    Atrioventricular Nodal Reentry Tachycardia
    Tachycardia
    Heart Block
    Catheter Ablation
    Thoracotomy
    Therapeutics
    Perfusion

    All Science Journal Classification (ASJC) codes

    • Surgery
    • Pulmonary and Respiratory Medicine
    • Cardiology and Cardiovascular Medicine

    Cite this

    Robotic-assisted cryosurgical treatment of atrioventricular node reentrant tachycardia. / Lehr, Eric J.; Rodriguez, Evelio; Stevens, Louis Mathieu; Nifong, L. Wiley; Chitwood, W. Randolph.

    In: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery, Vol. 6, No. 2, 01.03.2011, p. 126-128.

    Research output: Contribution to journalArticle

    Lehr, Eric J. ; Rodriguez, Evelio ; Stevens, Louis Mathieu ; Nifong, L. Wiley ; Chitwood, W. Randolph. / Robotic-assisted cryosurgical treatment of atrioventricular node reentrant tachycardia. In: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery. 2011 ; Vol. 6, No. 2. pp. 126-128.
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