The subpectoral pacemaker implant: it isn't what it seems!

Area of Science:

• Cardiovascular Surgery
• Medical Devices
• Anatomy

Background:

• Traditional pacemaker pulse generator implantation is typically subcutaneous, overlying the pectoralis major muscle fascia.
• This site can lead to suboptimal cosmetic outcomes and potential device erosion.

Purpose of the Study:

• To describe and evaluate the subpectoral (intrapectoral) pocket approach for pulse generator implantation.
• To assess the safety, efficacy, and cosmetic benefits of this technique compared to the traditional subcutaneous method.

Main Methods:

• Anatomic investigation to define the 'intrapectoral' pocket.
• Clinical experience with over 1000 initial pacemaker implants and pulse generator replacements using the intrapectoral approach.
• Evaluation of complications such as neurovascular/muscular damage, device erosion, hematomas, and pain.

Main Results:

• The subpectoral approach provides improved cosmetic results and reduced erosion risk.
• No instances of neurovascular or muscular damage were observed in over 1000 procedures.
• No pulse generator damage from ribs, serious loculated hematomas, or unusual pain were reported.
• Device replacement during recalls was not significantly more difficult than with the subcutaneous approach.

Conclusions:

• The intrapectoral approach is a safe and effective alternative for pacemaker implantation, offering superior cosmetic outcomes.
• This technique has become the routine method for the authors in selected patients.
• Potential concerns regarding complications have not materialized in extensive clinical experience.