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Sökning: WFRF:(Efanov Mikhail)

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1.
  • Balci, Deniz, et al. (författare)
  • Revival of associating liver partition and portal vein ligation for staged hepatectomy for perihilar cholangiocarcinoma: An international multicenter study with promising outcomes
  • 2023
  • Ingår i: Surgery. - : MOSBY-ELSEVIER. - 0039-6060 .- 1532-7361. ; 173:6, s. 1398-1404
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Associating liver partition and portal vein ligation for staged hepatectomy for per-ihilar cholangiocarcinoma has been considered to be contraindicated due to the initial poor results. Given the recent reports of improved outcomes, we aimed to collect the recent expe-riences of different centers performing associating liver partition and portal vein ligation for staged hepatectomy for perihilar cholangiocarcinoma to analyze factors related to improved outcomes. Methods: This proof-of-concept study collected contemporary cases of associating liver partition and portal vein ligation for staged hepatectomy for perihilar cholangiocarcinoma and analyzed for morbidity, short and long-term survival, and factors associated with outcomes. Results: In total, 39 patients from 8 centers underwent associating liver partition and portal vein ligation for staged hepatectomy for perihilar cholangiocarcinoma from 2010 to 2020. The median preoperative future liver remnant volume was 323 mL (155-460 mL). The median future liver remnant increase was 58.7% (8.9%-264. 5%) with a median interstage interval of 13 days (6-60 days). Post-stage 1 and post-stage 2 biliary leaks occurred in 2 (7.7%) and 4 (15%) patients. Six patients (23%) after stage 1 and 6 (23%) after stage 2 experienced grade 3 or higher complica-tions. Two patients (7.7%) died within 90 days after stage 2. The 1-, 3-, and 5-year survival was 92%, 69%, and 55%, respectively. A subgroup analysis revealed poor survival for patients under-going additional vascular resection and lymph node positivity. Lymph node-negative patients showed excellent survival demonstrated by 1-, 3-, and 5-year survival of 86%, 86%, and 86%. Conclusion: This study highlights that the critical attitude toward associating liver partition and portal vein ligation for staged hepatectomy for perihilar cholangiocarcinoma needs to be revised. In selected patients with perihilar cholangiocarcinoma, associating liver partition and portal vein ligation for staged hepatectomy can achieve favorable survival that compares to the outcome of established surgical treatment strategies reported in benchmark studies for perihilar cholangiocarcinoma including 1-stage hepatectomy and liver transplantation. (c) 2023 Elsevier Inc. All rights reserved.
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2.
  • Capobianco, Ivan, et al. (författare)
  • Development and internal validation of the Comprehensive ALPPS Preoperative Risk Assessment (CAPRA) score : is the patient suitable for Associating Liver Partition and Portal vein ligation for Staged hepatectomy (ALPPS)?
  • 2022
  • Ingår i: Hepatobiliary surgery and nutrition. - Hong Kong : AME Publishing Company. - 2304-3881 .- 2304-389X. ; 11:1, s. 52-66
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Preoperative patient selection in associating liver partition and portal vein ligation for staged hepatectomy (ALPPS) is not always reliable with currently available scores, particularly in patients with primary liver tumor. This study aims to (I) to determine whether comorbidities and patients characteristics are a risk factor in ALPPS and (II) to create a score predicting 90-day mortality preoperatively. Methods: Thirteen high-volume centers participated in this retrospective multicentric study. A risk analysis based on patient characteristics, underlying disease and procedure type was performed to identify risk factors and model the CAPRA score. A nonparametric receiver operating characteristic analysis was performed to estimate the predictive ability of our score against the Charlson Comorbidity Index (CCI), the age-adjusted CCI (aCCI), the ALPPS risk score before Stage 1 (ALPPS-RS I) and Stage 2 (ALPPS-RS2). The model was internally validated applying bootstrapping. Results: A total of 451 patients were included. Mortality was 14.4%. The CAPRA score is calculated based on the following formula: (0.1*age) - (2*BSA) +1 (in the presence of primary liver tumor) +1 (in the presence of severe cardiovascular disease) +2 (in the presence of moderate or severe diabetes) +2 (in the presence of renal disease) +2 (if classic ALPPS is planned). The predictive ability was 0.837 for the CAPRA score, 0.443 for CCI, 0.519 for aCCI, 0.693 for ALPPS-RS I and 0.807 for ALPPS-RS2. After 1,000 cycles of bootstrapping the C statistic was 0.793. The accuracy plot revealed a cut-off for optimal prediction of postoperative mortality of 4.70. Conclusions: Comorbidities play an important role in ALPPS and should be carefully considered when planning the procedure. By assessing the patients preoperative condition in relation to ALPPS, the CAPRA score has a very good ability to predict postoperative mortality.
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