BackgroundSelective 5-hydroxytryptamine type 3 (5-HT3) receptor antagonists are reported to have potent antiemetic effects for postoperative nausea and vomiting (PONV). The purpose of this study was to prospectively evaluate the efficacy of palonosetron, granisetron, and ramosetron for the prevention of PONV in patients undergoing laparoscopic gynecologic surgery.MethodsIn this prospective, randomized observational study, 105 healthy female patients who were undergoing laparocopic hystectomy under general anaesthesia were enrolled (clinical trial number: NCT01752374, www.clinicaltrials.gov). Patients were divided into three groups: the palonostron (0.075 mg i.v.; n = 35), the granisetron group (3 mg i.v.; n = 35), and the ramosetron group (0.3 mg i.v.; n = 35). The treatments were given before the end of surgery. The incidence of PONV, severity of nausea/vomiting, and the use of rescue antiemetic requirements during the first 48 h after surgery were evaluated.ResultsThe overall incidence of PONV was 33.3 % for this series. The number of complete responders at 48 h after the surgery was 21 (60.0 %) for palonosetron, 24 (68.6 %) for granisetron, and 26 (71.4 %) for ramosetron, representing no statistical difference (P = 0.086).ConclusionsThere were no significant differences in the overall incidence of postoperative nausea and vomiting and complete responders for palonosetron, granisetron and ramosetron group.Trial registrationClinical trial number: NCT01752374, www.clinicaltrials.gov.
A more extensive lymphadenectomy increased the survival of bulky cervical cancer patients. This finding may be helpful in determining surgical extent before surgery for cervical cancer.
A 46-year-old woman with ovarian malignant melanoma had advanced intraperitoneal metastasis, retroperitoneal and inguinal lymph node metastases. Extensive debulking surgery was performed and chemotherapy was given. Microscopically, no evidence of other accompanying tumor, such as teratoma was noted. Detailed examination of the patient failed to identify any evidence of another primary melanoma site. It is assumed that spontaneous regression of the primary lesion occurred. Despite the surgery and chemotherapy, the patient died within 2 months of diagnosis. Considering this case, it is assumed that the combination of surgical debulking and chemotherapy are not always beneficial in ovarian malignant melanoma and the prognosis of ovarian malignant melanoma is very poor.
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