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Medicina crítica (Colegio Mexicano de Medicina Crítica)
versión impresa ISSN 2448-8909
Resumen
GUZMAN CARRERA, Luz Alejandra; GUZMAN CARRERA, Mariana Irais y MUZQUIZ VARGAS, Adriana Maribel. Pacemaker implantation through the persistent left superior vena cava due to the absence of the right superior vena cava. Report of a case. Med. crít. (Col. Mex. Med. Crít.) [online]. 2023, vol.37, n.1, pp.52-55. Epub 30-Sep-2023. ISSN 2448-8909. https://doi.org/10.35366/109964.
Introduction:
the persistence of the left superior vena cava (PLSVC) has a prevalence of 0.21% in the general population.
Case presentation:
67-year-old male diagnosed with third-degree AV block, requiring pacemaker placement. However, due to the absence of a right superior vena cava, corroborated by CT angiography, a definitive pacemaker was placed through a persistent left superior vena cava.
Conclusion:
the persistence of the left superior vena cava (PLSVC) is the most common thoracic venous anomaly. It can cause a number of clinically significant symptoms, even in a heart with normal anatomy. Pacemaker placement makes electrode fixation difficult due to tortuous travel.
Palabras llave : persistence of left superior vena cava; pacemaker; third-degree atrioventricular block.
