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Paravertebral Block (PVB) Combined Pectoral Musculature Blocks for Modified Radical Mastectomy (MRM)

Completed
Conditions
Mastectomy, Modified Radical
Registration Number
NCT02747992
Lead Sponsor
Sun Yat-sen University
Brief Summary

Previous studies have shown that PVB reduces pain and postoperative nausea and vomiting after breast cancer surgery when used in addition to general anesthesia or sedation. However, major breast cancer surgery involves areas beyond the breast tissue, such as pectoral musculature.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Female
Target Recruitment
100
Inclusion Criteria
  • The American Society of Anesthesiologists (ASA) Physical Status classification I to III
  • 20 - 75 years of age
  • female gender
Exclusion Criteria
  • body mass index (BMI) ≥ 35 kg/m2
  • modified radical mastectomy not performed by the single surgeon (Ben Long Yu)
  • anesthesia not performed by the single anesthesiologist (Nai Liang Li)

Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
intraoperative sedation requirementduring operation

target controlled infusion (TCI) propofol driven by the Schnider model in effect site control titrated to reach conscious sedation defined as Observer Assessment of Alertness/Sedation score of 2 to 3

Secondary Outcome Measures
NameTimeMethod
time to first request of analgesicspostoperative 12 hours
postoperative analgesic requirementpostoperation to discharge
side effectspostoperation to within 24 hours after discharge
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