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Sökning: WFRF:(Syk Ingvar) > Göteborgs universitet

  • Resultat 1-6 av 6
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1.
  • Risberg, Bo, 1941, et al. (författare)
  • Management of aneurysm sac hygroma
  • 2004
  • Ingår i: Journal of endovascular therapy. - : International Society of Endovascular Specialists. - 1526-6028 .- 1545-1550. ; 11:2, s. 191-5
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: To document the management strategies and outcome of patients diagnosed with sac hygroma following open or endovascular abdominal aortic aneurysm (AAA) repair. METHODS: Seven men (median 68 years, range 43-79) with previous open (n=3) or endovascular (n=4) AAA repairs and increasing aneurysm diameters documented on spiral computed tomography (CT) were diagnosed with sac hygroma based on the lack of a demonstrable endoleak on CT imaging; the presence of a gelatinous, clear fluid in the sac; and a nonpulsatile sac pressure that was about one third of the systemic blood pressure. The patients were followed at regular intervals with spiral CT and percutaneous CT-guided translumbar intrasac pressure measurements. Surgical interventions were performed for sac diameter increase >5 mm or expansion-related pain. Blood samples and fluid aspirated from the sac were analyzed to detect activation of the coagulation and fibrinolytic systems. RESULTS: Over a median 21.5-month follow-up, open fenestration with resection of the aneurysm wall or open tight wrapping of the wall around the graft in 4 patients did not prevent hygroma reoccurrence, nor did repeated punctures with aspiration of fluid in the other 3 patients. Aneurysm diameters remained unchanged during the observation period. CONCLUSIONS: Only symptomatic hygromas need be treated, but the treatment of choice remains to be established, since puncture, fenestration, or resection of the sac do not seem to be adequate.
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2.
  • Scherman, Peter, et al. (författare)
  • High resection rates of colorectal liver metastases after standardized follow-up and multimodal management: an outcome study within the COLOFOL trial
  • 2023
  • Ingår i: Hpb. - : Elsevier BV. - 1365-182X. ; 25:7, s. 766-774
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Outcome after colorectal liver metastases (CRLM) resection has improved over time, despite increased resection rates. Hence, it's crucial to identify all patients possible to treat with curative intent. The objectives of this study were to map recurrence pattern, treatment strategy and survival depending on treatment and follow-up strategy.Methods: In the COLOFOL-trial, patients with radically resected stage II-III colorectal cancer were randomized to high-frequency (6, 12, 18, 24 and 36 months; HF) or low-frequency (12 and 36 months; LF) follow-up. In this study, all CRLM within 5 years were identified and medical files scrutinized. Overall survival (OS) was analysed in uni- and multivariable analyses. Primary endpoint was 5-year OS. Results: Of 2442 patients, 235 (9.6%) developed metachronous CRLM of which 123 (52.3%) underwent treatment with curative intent, resulting in 5-year OS of 58%. Five-year OS for patients with CRLM was 43% after HF versus 24% after LF. The survival benefit was confirmed for HF 8 years from resection of the primary tumour, HR 0.63 (CI 0.46-0.85).Conclusion: A high proportion of metachronous CRLM was possible to treat with curative intent, yielding high survival rates. More intense follow-up after colorectal cancer resection might be of value in high-risk patients.
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3.
  • Scherman, Peter, et al. (författare)
  • Impact of patient, primary tumor and metastatic pattern including tumor location on survival in patients undergoing ablation or resection for colorectal liver metastases: A population-based national cohort study
  • 2021
  • Ingår i: European Journal of Surgical Oncology. - : Elsevier BV. - 0748-7983 .- 1532-2157. ; 47:2, s. 375-383
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction Selecting the optimal treatment strategy for patients with colorectal liver metastases (CRLM) aim to improve survival for the total cohort. Following the introduction of laparoscopic resections and ablation, localization may direct choice of method. The aim with this study was to re-evaluate prognostic factors that should be considered at the preoperative multidisciplinary tumor board, based on a national population cohort. Materials and methods A national cohort with radically operated colorectal cancer in 2009-2013, also treated for CRLM was identified in Swedish national registries. Prognostic factors were identified and evaluated in multivariable analyses. Results 1200 patients treated with resection and 125 with ablation only were included in the study cohort. Relative five-year survival was 54.7% (50.9%-58.4%) and 32.0% (22.4%-41.9%), respectively). High age, acute surgery and complications at time of primary tumor resection remained important risk factors at liver surgery, as well as the primary tumor characteristics; vascular invasion and high lymph node ratio. As for metastatic pattern; tumor size, location in segment 4, 6, 7 or 8, multiple metastatic sites and progress after preoperative chemotherapy were significant risk factors. In multivariate analyses, ablation therapy doubled the risk of death within 5 years. This strong negative impact was confirmed in a weighted propensity score analysis (HR = 2.1 (95 % CI 1.5 -3.0)). Conclusion Segmental localization and tumor size were prognostic factors but also patient and primary tumor factors significantly impacted survival after intervention for CRLM. Long-term survival was significantly lower after ablation therapy compared to surgical resection.
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4.
  • Scherman, Peter, et al. (författare)
  • Risk Factors for Postoperative Complications Following Resection of Colorectal Liver Metastases and the Impact on Long-Term Survival: A Population-Based National Cohort Study
  • 2023
  • Ingår i: World Journal of Surgery. - 0364-2313.
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundPostoperative complications (POCs) following resection of colorectal liver metastases (CRLM) are common. The objective of this study was to evaluate risk factors for developing complications and their impact on survival considering prognostic factors of the primary tumor, metastatic pattern and treatment in a well-defined national cohort.MethodsPatients treated with resection for CRLM that was also radically resected for their primary colorectal cancer (diagnosed in 2009-2013) were identified in Swedish national registers. Liver resections were categorized according to extent of surgery (Category I-IV). Risk factors for developing POCs as well as prognostic impact of POCs were evaluated in multivariable analyses. A subgroup analysis of minor resections was performed to evaluate POCs after laparoscopic surgery.ResultsPOCs were registered for 24% (276/1144) of all patients after CRLM resection. Major resection was a risk factor for POCs in multivariable analysis (IRR 1.76; P = 0.001). Comparing laparoscopic and open resections in the subgroup analysis of small resections, 6% (4/68) in the laparoscopic group developed POCs compared to 18% (51/289) after open resection (IRR 0.32; P = 0.024). POCs were associated with a 27% increased excess mortality rate (EMRR 1.27; P = 0.044). However, primary tumor characteristics, tumor burden in the liver, extrahepatic spread, extent of liver resection and radicality had higher impact on survival.ConclusionMinimal invasive resections were associated with a decreased risk of POCs following resection of CRLM which should be considered in surgical strategy. Postoperative complications were associated with a moderate risk for inferior survival.
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5.
  • Valdimarsson, Valentinus T., et al. (författare)
  • Outcomes of liver-first strategy and classical strategy for synchronous colorectal liver metastases in Sweden
  • 2018
  • Ingår i: HPB. - : Elsevier BV. - 1365-182X .- 1477-2574. ; 20:5, s. 441-447
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Patients with synchronous colorectal liver metastases (sCRLM) are increasingly operated with liver resection before resection of the primary cancer. The aim of this study was to compare outcomes in patients following the liver-first strategy and the classical strategy (resection of the bowel first) using prospectively registered data from two nationwide registries. Methods: Clinical, pathological and survival outcomes were compared between the liver-first strategy and the classical strategy (2008-2015). Overall survival was calculated. Results: A total of 623 patients were identified, of which 246 were treated with the liver-first strategy and 377 with the classical strategy. The median follow-up was 40 months. Patients chosen for the classical strategy more often had T4 primary tumours (23% vs 14%, P = 0.012) and node-positive primaries (70 vs 61%, P = 0.015). The liver-first patients had a higher liver tumour burden score (4.1 (2.5-6.3) vs 3.6 (2.2-5.1), P = 0.003). No difference was seen in five-year overall survival between the groups (54% vs 49%, P = 0.344). A majority (59%) of patients with rectal cancer were treated with the liver-first strategy. Conclusion: The liver-first strategy is currently the dominant strategy for sCRLM in patients with rectal cancer in Sweden. No difference in overall survival was noted between strategies.
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6.
  • Valdimarsson, Valentinus T., et al. (författare)
  • Outcomes of Simultaneous Resections and Classical Strategy for Synchronous Colorectal Liver Metastases in Sweden: A Nationwide Study with Special Reference to Major Liver Resections
  • 2020
  • Ingår i: World Journal of Surgery. - : Springer Science and Business Media LLC. - 0364-2313 .- 1432-2323. ; 44, s. 2409-2417
  • Tidskriftsartikel (refereegranskat)abstract
    • Background About 20% of patients with colorectal cancer have liver metastases at the time of diagnosis, and surgical resection offers a chance for cure. The aim of the present study was to compare outcomes for patients that underwent simultaneous resection to those that underwent a staged procedure with the bowel-first (classical) strategy by using information from two national registries in Sweden. Methods In this prospectively registered cohort study, we analyzed clinical, pathological, and survival outcomes for patients operated in the period 2008-2015 and compared the two strategies. Results In total, 537 patients constituted the study cohort, where 160 were treated with the simultaneous strategy and 377 with the classical strategy. Patients managed with the simultaneous strategy had less often rectal primary tumors (22% vs. 31%, p = 0.046) and underwent to a lesser extent a major liver resection (16% vs. 41%, p < 0.001), but had a shorter total length of stay (11 vs. 15 days, p < 0.001) and more complications (52% vs. 36%, p < 0.001). No significant 5-year overall survival (p = 0.110) difference was detected. Twenty-five patients had a major liver resection in the simultaneous strategy group and 155 in the classical strategy group without difference in 5-year overall survival (p = 0.198). Conclusion Simultaneous resection of the colorectal primary cancer and liver metastases can possibly have more complications, with no difference in overall survival compared to the classical strategy.
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