Evidence-Based Complementary and Alternative Medicine

Review Article

Transcutaneous Electrical Nerve Stimulation (TENS) for Opioid-Induced Constipation in Palliative Care: A Systematic Review and Network Meta-Analysis

Table 1

The detailed searching strategy of our systematic review.
Data sourceSearch terms
PubMed((((cancer [MeSH Terms]) OR (neoplasm [MeSH Terms])) OR (tumor [MeSH Terms])) AND (constipation [MeSH Terms])) AND (electrical nerve stimulation)
Embase(“cancer” OR “neoplasm” OR “tumor”) AND “constipation”/exp AND electrical AND nerve AND stimulation
Cochrane(MeSH descriptor: [neoplasms] explode all trees) AND (MeSH descriptor: [Opioid-Induced Constipation] explode all trees) AND (MeSH descriptor: [Transcutaneous Electric Nerve Stimulation] explode all trees)
CNKITopic:(neoplasms) AND  Topic:(Constipation) AND  Topic:(electrical nerve stimulation) 
CBMneoplasms [intelligence] AND constipation [intelligence] AND electrical nerve stimulation [intelligence]
Wanfang DatabaseTopic:(neoplasms) AND  Topic:(Constipation) AND  Topic:(electrical nerve stimulation)