期刊
WORLD NEUROSURGERY
卷 151, 期 -, 页码 225-+出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.wneu.2021.04.075
关键词
Radiofrequency catheter ablation; Thalamotomy; Cancer pain
A systematic review was conducted to support the use of radiofrequency thalamotomy for intractable cancer pain, with most patients experiencing pain relief and no superiority of thalamic target determined based on available data.
Pain is a common occurrence in patients with cancer, which, in some cases, is not adequately controlled with medical analgesia. Thalamotomy is a treatment option in such circumstances, but synthesis of historical evidence and thalamic stratified data are lacking. We therefore sought to systematically review evidence supporting radiofrequency thalamotomy for intractable cancer pain. This review was performed using multiple electronic databases and a (PICO) patient/ problem, intervention, comparison, outcome search with the terms radiofrequency thalamotomy and cancer pain. Of 22 full-text studies assessed for eligibility, 14 were included for review. Articles were excluded in which radiofrequency ablation was not used, chronic implantation was used, or the study did not include patients with cancer pain. Thirteen case series and 1 case report were included. Thalamic targets included ventral posterior, central lateral, dorsomedial, centromedian, centromedian/parafascicular, centromedian and anterior pulvinar, pulvinar, limitans, suprageniculate and posterior nuclei. Patient characteristics, operative methods, lesioning parameters, patient followup, and outcomes were variably reported across the studies. Where relevant outcome data were available, 97% of patients experienced initial pain relief and 79% experienced significant lasting relief. Adverse events were typically transient. We conclude that radiofrequency thalamotomy for cancer pain is well tolerated and can produce significant relief from intractable cancer pain. No superiority of thalamic target could be determined.
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