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Case Report - (2018) Volume 4, Issue 2

A Case of Difficult RV Lead Placement of Single Chamber Implantable Cardioverter-Defibrillator (ICD) with Atrial Septal Defect (ASD) Amplatzer Septal Occluder Device Delivery System

Munish Sharma*

Deparment of Cardiology, Command Hospital, Kolkata, West Bengal, India

*Corresponding Author:

Munish Sharma
Deparment of Cardiology, Command Hospital
Kolkata, West Bengal, India.
Tel: + 919971470733
E-mail: badinage80@gmail.com

Received Date: August 08, 2016; Accepted Date: August 29, 2016; Published Date: August 31, 2016

Citation: Sharma M (2018) A Case of Difficult RV Lead Placement of Single Chamber Implantable Cardioverter- Defibrillator (ICD) with Atrial Septal Defect (ASD) Amplatzer Septal Occluder Device Delivery System. Interv Cardiol J Vol.4 No.2:4 DOI: 10.21767/2471-8157.100074

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Abstract

Introduction: A case of difficult RV lead placement of single chamber ICD with (ASD) Amplatzer septal occluder device delivery system. Implantation of pacemaker leads can be challenging sometimes. Various non-conventional tools have been used in such difficult cases.

Case report: We report a case of single chamber ICD implantation in a patient with severe LV dysfunction as primary prevention strategy where RV lead placement was done with the use of 80 cm 10 F delivery system of ASD septal occluder amplatzer device.

Conclusion: Innovative lead placement strategies with the use of appropriately selected tools is helpful in facilitating difficult cases.

Keywords

ICD; RV lead; Difficult anatomy; Amplatzer closure device sheath

Introduction

Implantation of pacemaker/Implantable cardioverter-defibrillator (ICD) leads can be challenging sometimes. There are multiple steps involved during implantation and one can face problems in any of steps. There may be issues with puncture because of distorted anatomy of subclavian vein, then because of sharp and acute bends of subclavian vein. Problems can arise in manipulation and placement of leads. Dilated cardiac chambers and valvular regurgitation may create problems during RV lead placement. We report a case of single chamber ICD implantation in a patient with severe LV dysfunction for primary prevention where RV lead placement was done with the use of long 80 cm 10 F ASD amplatzer septal occluder device delivery system (amplatzer torVue 45).

Case Report

A 70-year-old male presented with breathlessness on exertion of 6 months duration. He was in NYHA III. Further evaluation revealed severe LV dysfunction with dilated LV and left ventricle ejection fraction of 30%. Coronary angiography was done with 5 F Tiger catheter through right radial route which revealed right dominant normal epicardial coronaries. He was listed for ICD implantation for Primary prevention of sudden cardiac death [1].

Patient was taken up for ICD insertion (Medtronic) through left subclavian approach. Patients was cleaned and draped. Left subclavian puncture was taken under fluoroscopic guidance. A 50 cm, 0.38 mm J wire was introduced. Sub-cutaneous pocket over left pectoral area was made with blunt dissection. It was followed by 7 F dilator over the J tip wire and puncture site was dilated. RV lead (A 7 F active fixation 65 cm Medtronic pacing lead) was introduced through the 7 F, 14 cm, peel away introducer sheath but lead could not be manipulated because of sharp bend of subclavian vein to SVC. Multipurpose slit-able sheath (Medtronic Attain Command 6250-MP2 (6 F) was also taken but still lead did not cross the sharp bend.

Then, 80 cm 10 F (ASD) Amplatzer septal occluder device delivery system (amplatzer torVue 45) was taken. At first attempt, this sheath went straight into azygos vein. It was realigned into IVC and then RV lead was introduced through it.

The whole procedure took 2 hrs and 20 minutes (Fluoroscopy time 17.04 minutes, dose 876 cGycm2). Post procedure lead position was checked. Good final threshold was achieved at the end of procedure.

Discussion and Conclusion

Implantation of RV lead can sometimes be challenging. Operators have used innovative strategies to counter these difficulties. Various kind of guiding sheaths has been used in coronary sinus lead implants [2] and pacing lead implants. Other strategies used are self-shaped stylets and pre-shaped stylets. Guiding sheaths has been commonly used for pacing lead implants in pediatric patients and coronary sinus lead implantation [3].

However, there has been no reports of use of Atrial Septal Defect (ASD) Amplatz Occuder Device delivery system sheath for facilitation of RV lead implantation. In our case, the sheath provided extra length and support, so RV pacing lead could be positioned easily with this. It provided a very good contact between endocardium and lead tip.

Sometimes with use of innovative techniques, problems of optimum threshold after implantation of leads can occur. During implantation, the presence of a stable R wave and current of injury suggests a good pacing site and optimum threshold can be expected at such site [4]. Innovative lead placement strategies with the use of appropriately selected tools is helpful in facilitating difficult cases. These tools may not be part of conventional equipment typically used for single chamber ICD implantation.

References

  1. Razek AAKA, Elrakhawy MM, Yossof MM, Nageb MH (2018) Inter-observer agreement of the coronary artery disease reporting and data system (CAD-RADSTM) in patients with stable chest pain. Pol J Radiol 83: e151-159.
  2. Abraham WT, Fisher WG, Smith AL, Delurgio DB, Leon AR, et al. (2002) Cardiac resynchronization in chronic heart failure. N Engl J Med 346: 1845-1853.
  3. Saxonhouse SJ, Conti JB, Curtis AB (2005) Current of injury predicts adequate active lead fixation in permanent pacemaker/defibrillation leads. J Am Coll Cardiol 45: 412-417. 
  4. Cantù F, De Filippo P, Gabbarini F, Borghi A, Brambilla R, et al. (2009) Selective-site pacing in pediatric patients: A new application of the select secure system. Eurospace 11: 601-606.