breast cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) All female patients were 18 to 75 years old, weighing =45 kg and BMI =40 kg/m2 patients; (2) Patients undergoing radical mastectomy for breast cancer; (3) Patients with American Society of Anesthesiologists ASA classification I-III; (4) Complete patient data, including: clinical data, VAS scores, and postoperative visit data.
Exclusion criteria
Exclusion criteria: (1) Patients with relevant systemic diseases (e.g., comorbid pain disorders or hepatic or renal disorders) that may affect the metabolism of opioid medications (2) Patients with clinical symptoms for which opioids are contraindicated; (3) Patients with recent and frequent use of various analgesic drugs; (4) Patients with opioid tolerance or physical dependence, or substance abuse; (5) Patients with an ASA classification of V; (6) Patients with a history of motion sickness.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Comparison of the incidence of nausea and vomiting in the 48h postoperative period between the two groups of patients; | — |
Secondary
| Measure | Time frame |
|---|---|
| The incidence of pain and VAS scores in resting and active states during the 48h postoperative period, and the number of cases of remedial antiemetic and analgesic; the incidence of cardiovascular adverse reactions after induction of anesthesia, such as hypotension (systolic blood pressure <90 mmHg or diastolic blood pressure <60 mmHg), bradycardia (HR <60 beats/min), and the use of vasoactive medications after the induction of anesthesia were recorded; changes in heart rate and blood pressure b; | — |
Countries
china
Contacts
Faculty of Anesthesiology, Changhai Hospital Affiliated to The Navy Military Medical University