Foye Patrick M, Jason Woon T K, Zheng Kevin Y, Leong Kenneth K
Coccyx Pain Center, Rutgers New Jersey Medical School, Newark, New Jersey, United States.
Department of Physical Medicine and Rehabilitation, Rutgers New Jersey Medical School, Newark, New Jersey, United States.
Indian J Radiol Imaging. 2020 Apr-Jun;30(2):181-183. doi: 10.4103/ijri.IJRI_302_19. Epub 2020 Jul 13.
Focal sympathetic nerve blocks of the ganglion impar are often effective treatments for coccydynia (coccyx pain) and other pelvic pain syndromes. These injections are generally performed under contrast-enhanced fluoroscopic guidance. Vascular uptake may potentially occur during the injection and vascular uptake rates have been reported for other spinal injections, but never for ganglion impar blocks.
The purpose of the study was to determine vascular uptake rates during fluoroscopy-guided ganglion impar blocks.
An academic/University-based Coccyx Pain Center.
A total of 78 consecutive trans-coccygeal ganglion impar blocks were analyzed for vascular uptake of contrast as determined by intermittent fluoroscopy.
Direct calculation of incidence.
Only one patient (1.3%) demonstrated a vascular uptake pattern, which was readily recognized and corrected by slightly adjusting the position of the needle tip and thereby subsequently obtaining the desired contrast pattern at the ganglion impar.
Vascular uptake incidence is low during ganglion impar blocks. This information can be one of the multiple factors considered when a physician is deciding whether or not to use contrast in an individual patient.
阴部神经节的局部交感神经阻滞通常是治疗尾骨痛（尾骨疼痛）和其他盆腔疼痛综合征的有效方法。这些注射通常在造影增强荧光透视引导下进行。注射过程中可能会出现血管摄取，其他脊柱注射的血管摄取率已有报道，但阴部神经节阻滞的血管摄取率从未有过报道。
本研究的目的是确定荧光透视引导下阴部神经节阻滞期间的血管摄取率。
一个以学术/大学为基础的尾骨痛中心。
通过间歇性荧光透视分析了连续78例经尾骨阴部神经节阻滞的造影剂血管摄取情况。
直接计算发生率。
只有1例患者（1.3%）出现血管摄取模式，通过稍微调整针尖位置很容易识别并纠正，从而在阴部神经节获得所需的造影剂模式。
阴部神经节阻滞期间血管摄取发生率较低。当医生决定是否在个体患者中使用造影剂时，这一信息可作为考虑的多个因素之一。
