Modified transseptal technique without needle puncture: insights from a 4100-procedure registry
Konstantinos P Letsas1, Ourania Kariki1, Athanasios Saplaouras1
1Arrhythmia Unit, Onassis Cardiac Surgery Center, Athens, Greece.
Summary
A modified needle-free technique for transseptal puncture (TSP) shows promise as a safe alternative to conventional methods, potentially reducing risks like cardiac tamponade during left atrial access.
Area of Science:
- Cardiology
- Interventional Cardiology
- Medical Devices
Background:
- Transseptal puncture (TSP) is crucial for left atrial access but carries risks such as cardiac tamponade.
- Fluoroscopy guidance is standard for TSP procedures.
Purpose of the Study:
- To evaluate the safety and efficacy of a modified needle-free technique for TSP.
- To compare outcomes of the needle-free technique with the traditional needle approach.
Main Methods:
- Analysis of 4100 procedures requiring TSP from a single-center registry.
- Application of a modified needle-free rotational probing technique in 1335 patients.
- Comparison with 2818 procedures using the traditional needle approach.
Main Results:
- The needle-free technique achieved successful left atrial catheterization in 72% of cases (960/1335) without major complications.
- The traditional needle approach had a 99.8% success rate (2813/2818) with a 0.14% rate of pericardial effusion.
- No major complications were reported with the needle-free technique.
Conclusions:
- The modified needle-free TSP technique appears to be a safe alternative to conventional methods.
- This technique could be a valuable adjunct or aid in the learning curve for TSP.
