The effect of paravertebral block on the contralateral side: A prospective observational study in breast surgery
- Conditions
- Patients undergoing breast surgery (unilateral total mastectomy) due to anticipated breast cancer
- Registration Number
- JPRN-UMIN000053100
- Lead Sponsor
- Aidu Chuo Hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 48
Not provided
One of the following applies: (1) Bilateral surgery is planned (2) Weight less than 40 kg or BMI more than 30 kg/m2 (3) History of spontaneous pneumothorax (4) General contraindications to PVB (e.g., continued use of anticoagulants or antiplatelet agents) (5) Inability to report the extent of effect immediately after surgery due to delayed awakening, etc (6) Cases in which PVB was attempted but the drug was administered in a shallow layer, resulting in MTPB or ESPB (7) Patient has difficulty in communication due to cognitive decline, hearing loss, etc. (8) Patients with decreased sensation (e.g., after cerebral infarction) (9) Other patients who are judged to be incompatible by the anesthesiologist (e.g., patients with severe obstructive lung disease that could be fatal if pneumothorax occurs).
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Sensory block area and sensory decline area of the skin of the chest wall on both sides
- Secondary Outcome Measures
Name Time Method Sensory block area and decline area of bilateral chest wall skin between low and high volume groups