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Utilisation of the snare technique for left ventricular lead placement in a patient with persistent left superior

Gustavo Lima da Silva1, João de Sousa1, Pedro Marques1

  • 1Serviço de Cardiologia, Hospital de Santa Maria, Centro Académico Médico de Lisboa, CCUL, Lisboa, Portugal.

Revista Portuguesa De Cardiologia
|February 6, 2018
PubMed

Insights

Persistence of the left superior vena cava (LSCVC) affects 0.3-0.7% of people. A novel technique using a snare system successfully implanted a left ventricular lead in a patient with LSCVC needing cardiac resynchronisation therapy.

Area of Science:

  • Cardiology
  • Medical Devices
  • Anatomy

Background:

  • Persistence of the left superior vena cava (LSCVC) is a rare congenital anomaly affecting 0.3-0.7% of the population.
  • LSCVC presents unique challenges for cardiovascular interventions, particularly cardiac resynchronisation therapy (CRT).

Observation:

  • A patient requiring CRT was found to have a persistent LSCVC.
  • Standard lead placement techniques were not feasible due to the anomalous venous anatomy.

Findings:

  • A novel approach utilizing a snare system and tunnelling tool was successfully employed.
  • This technique enabled accurate and secure placement of the left ventricular lead despite the LSCVC.

Implications:

  • This case demonstrates a viable strategy for CRT lead implantation in patients with LSCVC.
  • The described method may improve treatment outcomes for patients with this anatomical variation.
  • Highlights the importance of adaptable interventional techniques in complex cardiac cases.

Keywords:
Cardiac resynchronisation therapyPersistence of the left superior vena cavaRessincronização cardíacaSnare techniqueTécnica snareVeia cava superior esquerda persistente

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