JACC. Case reports · 2025
Volume Rendering-Based Phrenic Nerve/Pericardiophrenic Bundle Identification Using Cardiac Computed Tomography.
СтатьяНазвание и аннотация: Перевод в очереди
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Aoyama Daisetsu, Rimmer Mark, Miyazaki Yuichiro, Izawa Yu, Nishii Tatsuya, Shivkumar Kalyanam, Mori Shumpei
Аннотация
ANATOMY: Phrenic nerves descend anterior to the pulmonary hila, sandwiched between the pericardium and parietal pleura, thus running extrinsically to the heart and lungs.
PATHOLOGY: Phrenic nerve injury during catheter ablation or diaphragmatic stimulation during cardiac resynchronization therapy.
IMAGING CORRELATION: Conventional approach of preprocedural identification of the phrenic nerve includes slice-by-slice detection of the pericardiophrenic bundle using axial images. However, it is time-consuming with substantial uncertainty and difficulty in precise structural tracing in each axial plane. Three-dimensional visualization using a volume rendering technique has a distinct advantage for detecting fine structures and their anatomical course.
TREATMENT: Preprocedural identification of the 3-dimensional course of the phrenic nerve in relation to surrounding structures is useful in avoiding iatrogenic injury of the phrenic nerve or predicting diaphragmatic stimulation.
TAKE-HOME MESSAGE: Volume rendering reconstruction offers fast and easy 3-dimensional identification of the phrenic nerve and is even feasible without a contrast material.
PATHOLOGY: Phrenic nerve injury during catheter ablation or diaphragmatic stimulation during cardiac resynchronization therapy.
IMAGING CORRELATION: Conventional approach of preprocedural identification of the phrenic nerve includes slice-by-slice detection of the pericardiophrenic bundle using axial images. However, it is time-consuming with substantial uncertainty and difficulty in precise structural tracing in each axial plane. Three-dimensional visualization using a volume rendering technique has a distinct advantage for detecting fine structures and their anatomical course.
TREATMENT: Preprocedural identification of the 3-dimensional course of the phrenic nerve in relation to surrounding structures is useful in avoiding iatrogenic injury of the phrenic nerve or predicting diaphragmatic stimulation.
TAKE-HOME MESSAGE: Volume rendering reconstruction offers fast and easy 3-dimensional identification of the phrenic nerve and is even feasible without a contrast material.