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Pectoral nerve blocks (PECS blok) are used in postoperative analgesia after breast surgery in nowadays. Many studies shows that pectoral nerve blocks is effective for reducing pain and postoperative opioid consumption undergoing mastectomy. This study was planned to evaluate the efficacy of intraoperative PECS block for postoperative analgesia after robot breast surgery and immediate breast reconstruction.
Sixty patients were randomly allocated into two groups by computerised process, each including 30 patients. PECS group (P) received general anesthesia and pectoral nerve block(PECS block) with 025% ropivacaine after surgical resection of breast by operator. Control group(C) only received general anesthesia.
A Patient -controlled analgesia(PCA) device provides fentanyl for postoperative pain control.
The Primary outcome measures total dose of fentanyl consumption during the postoperative 24 hours, and secondary outcome measures pain scores at rest and movement.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| PECS block(P) group | Experimental | PECS group (P) received general anesthesia and pectoral nerve block(PECS block) with 025% ropivacaine after surgical resection of breast by operator. |
|
| Control(c) group | No Intervention | only received general anesthesia |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| pectoral nerve block | Procedure | Patients received standardized general anesthesia. PECS block were applied under vision using blunted tip cannula(27G, 30mm) after surgical resection of breast by operator. 0.25% ropivacaine 10ml was injected into fascia between pectoralis major and minor muscles. 0.25% ropivacaine 20ml was injected into fascia between pectoralis minor and serratus anterior muscles at the level of the third rib. Breast reconstruction is performed after PECS block |
| Measure | Description | Time Frame |
|---|---|---|
| Total dose of fentanyl consumption during the postoperative 24h | To evaluate the effect of PECS block undergoing robot-assisted nipple-sparing mastectomy (RANSM) with immediate breast reconstruction (IBR), total cumulative dose of fentanyl was measured for the first postoperative 24h | after 24 hours postoperative period |
| Measure | Description | Time Frame |
|---|---|---|
| a numeric rating score at rest | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 0 hour after surgery |
| a numeric rating score at rest |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Sun Jun Bai, Ph.D | Severance Hospital | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Yonsei Severance Hospital | Seoul | South Korea |
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| ID | Term |
|---|---|
| D001943 | Breast Neoplasms |
| ID | Term |
|---|---|
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D001941 | Breast Diseases |
| D012871 | Skin Diseases |
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|
Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain)
| 0.5 hour after surgery |
| a numeric rating score at rest | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 1 hour after surgery |
| a numeric rating score at rest | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 2 hours after surgery |
| a numeric rating score at rest | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 4 hours after surgery |
| a numeric rating score at rest | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 6 hours after surgery |
| a numeric rating score at rest | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 8 hours after surgery |
| a numeric rating score at rest | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 12 hours after surgery |
| a numeric rating score at rest | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 24 hours after surgery |
| a numeric rating score at movement | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 0 hour after surgery |
| a numeric rating score at movement | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 0.5 hour after surgery |
| a numeric rating score at movement | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 1 hour after surgery |
| a numeric rating score at movement | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 2 hours after surgery |
| a numeric rating score at movement | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 4 hours after surgery |
| a numeric rating score at movement | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 6 hours after surgery |
| a numeric rating score at movement | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 8 hours after surgery |
| a numeric rating score at movement | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 12 hours after surgery |
| a numeric rating score at movement | Secondary outcome measures were postoperative pain using numeric rating score (NRS, 0-10; 0=no pain and 10=worst imaginable pain) | 24 hours after surgery |
| D017437 |
| Skin and Connective Tissue Diseases |