Acupoint Electric Stimulation Combined With Tropisetron in Preventing and Treating Nausea and Vomiting After TACE

Inclusion Criteria:

* ECOG physical status 0,1,2
* would accept the transcatheter hepatic arterial chemoembolization of primary or metastatic liver cancer patients;
* Adult male and female 3, age 18 years old;
* the chem-scheme of arterial infusion chemotherapy based on oxaliplatin dosage of 200mg;
* signed the informed consent and understand the study design;
* Organ function examination in patients must meet the following laboratory indexes: Neutrophil\>500/Ul, hemoglobin \> 8 gm/dL, platelet \>100000/uL,Creatinine \< 2 mg/dL bilirubin \< 1.5 mg/dL, , alanine aminotransferase \< 3 times the normal value, albumin \>30g/L
* understand and complete quality of life scale ;
* women of childbearing age urine pregnancy test was negative.

Exclusion Criteria:

* The combined use of other venous chemotherapy within 5 days after TACE;
* skin infection on or near the points;
* skin hyperalgesia, unable to withstand electrical stimulation;
* other confounding factors may cause nausea and vomiting (such as intestinal obstruction, anorexia, etc.);
* heart, cerebrovascular accident history or the history of spinal cord injury;
* intestinal obstruction lead to nausea and vomiting
* installing pacemaker;
* cognitive dysfunction, unable to finish Scale;
* currently using acupuncture therapy.