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  • Title: Paravertebral block in regional anesthesia with propofol sedation reduces locoregional recurrence in patients with breast cancer receiving breast conservative surgery compared with volatile inhalational without propofol in general anesthesia.
    Author: Zhang J, Chang CL, Lu CY, Chen HM, Wu SY.
    Journal: Biomed Pharmacother; 2021 Oct; 142():111991. PubMed ID: 34449311.
    Abstract:
    PURPOSE: We examined locoregional recurrence (LRR) in patients with breast invasive ductal carcinoma (IDC) receiving breast conservative surgery (BCS) under propofol-based paravertebral block-regional anesthesia (PB-RA) versus sevoflurane-based inhalational general anesthesia (INHA-GA) without propofol. All-cause death and distant metastasis were secondary endpoints. PATIENTS AND METHODS: Patients with breast IDC receiving BCS were recruited through propensity score matching and categorized into INHA-GA with sevoflurane and PB-RA with propofol groups. Cox regression analysis was performed to calculate hazard ratios (HRs) and 95% confidence intervals (CIs). RESULTS: In the multivariate Cox regression analysis, the adjusted HR (aHR; 95% CI) of LRR for the PB-RA with propofol group was 0.67 (0.46-0.99) compared with the INHA-GA with sevoflurane group. The aHRs of LRR for differentiation grade II, grade III, the American Joint Committee on Cancer clinical stage II, stage III, pathological tumor (pT) stage 2, pT stage 3-4, pathological nodal (pN) stage 2-3, and Her-2 positivity were 1.87 (1.03-3.42), 2.31 (1.20-4.44), 1.67 (1.09-2.56), 2.43 (1.18-4.97), 1.17 (1.03-1.19), 1.28 (1.13-2.24), 1.20 (1.05-2.22), and 1.59 (1.01-2.51), respectively, compared with those for differentiation grade I, clinical stage I, pT1, pN0, and HER-2 negativity. The aHR of LRR for adjuvant radiotherapy was 0.60 (0.38-0.97) compared with that for no adjuvant radiotherapy. CONCLUSION: PB-RA with propofol might be beneficial for reducing LRR in women with breast IDC receiving BCS compared with INHA-GA without propofol.
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