refractory block

Neurolytic celiac plexus block ( NCPB ) is effective in relieving refractory pain caused by the abdominal malignancies.

腹腔神经丛毁损术用于解除或缓解上腹部恶性肿瘤晚期顽固性疼痛有较好的疗效.

The anterograde effective refractory period and Wenckebach block point were measured before and after ablation.

进行慢径路改良，观察手术前后房室结的前传有效不应期和文氏阻滞点的改变。

Objective: To evaluate the analgesic effect of percutaneous CT guided neurolytic celiac plexus block ( PNCPB) with the needle tip positioned into lymph nodes in patients with refractory and obstinate abdominal pain of extensive cancer invasion to the retroperitoneal lymph nodes and celiac plexus.

目的：评价CT引导下经皮穿入淋巴结内腹腔神经丛阻滞术对伴有后腹膜淋巴结广泛肿大、融合，并侵犯、包裹腹腔神经丛的顽固性癌性腹痛的止痛效果。