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  • 1
    Language: English
    In: Digestive Diseases and Sciences, 2010, Vol.55(11), pp.3031-3040
    Description: Byline: George Sgourakis (1,2), Ines Gockel (1), Arnold Radtke (1), Thomas J. Musholt (1), Stephan Timm (1), Andreas Rink (1), Achilleas Tsiamis (3), Constantine Karaliotas (2), Hauke Lang (1) Keywords: Minimally invasive esophagectomy; Open esophagectomy; Meta-analysis; Evidence based medicine; Publication bias; Barrett's esophagus Abstract: Background A meta-analysis of the current literature was performed to compare the perioperative outcome measures and oncological impact between minimally invasive and open esophagectomy. Methods Using the electronic databases Medline, Embase, Pubmed and the Cochrane Library, we performed a meta-analysis pooling the effects of outcomes of 1,008 patients enrolled into eight comparative studies, using classic and modern meta-analytic methods. Results Two comparisons were considered for this systematic review: (I) open thoracotomy vs. VATS/laparoscopy esophagectomy and (II) open thoracotomy vs. VATS esophagectomy. In comparison I: both procedures report equally comparable outcomes (removed lymph nodes, 30-day mortality, 3-year survival) with the exception of overall morbidity (P = 0.038 in favor of the MIE arm) and anastomotic stricture (P 〈 0.001 in favor of the open thoracotomy arm). In comparison II: No differences were noted between treatment arms concerning postoperative outcomes and survival. Conclusions In summary, both arms were comparable with regard to perioperative results and prognosis. Further prospective comparative or randomized-controlled trials focusing on the oncological impact of MIE are needed. Author Affiliation: (1) Department of General and Abdominal Surgery, Johannes Gutenberg University Hospital, Mainz, Germany (2) 2nd Surgical Department and Surgical Oncology Unit, Korgialenio--Benakio Red Cross Hospital, 11 Mantzarou St., Neo Psychiko, 15451, Athens, Greece (3) Department of Colorectal and Laparoscopic Surgery, James Paget University Hospital, Norfolk, UK Article History: Registration Date: 03/02/2010 Received Date: 15/11/2009 Accepted Date: 03/02/2010 Online Date: 26/02/2010
    Keywords: Minimally invasive esophagectomy ; Open esophagectomy ; Meta-analysis ; Evidence based medicine ; Publication bias ; Barrett’s esophagus
    ISSN: 0163-2116
    E-ISSN: 1573-2568
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  • 2
    Language: English
    In: Digestive Diseases and Sciences, 2010, Vol.55(11), pp.3018-3030
    Description: Byline: George Sgourakis (1,2), Ines Gockel (2), Arnold Radtke (2), Georgia Dedemadi (1), Konstantinos Goumas (1), Sofia Mylona (1), Hauke Lang (2), Achilleas Tsiamis (3), Constantine Karaliotas (1) Keywords: Meta-analysis; Evidence based; Publication bias; Jadad composite scale; Esophageal stents; Esophageal palliation; Brachytherapy; Thermal tumor ablation; Reflux; Malignant dysphagia Abstract: Background The objective of this study was to examine the impact of self-expanding stents versus locoregional treatment modalities in the setting of esophageal cancer palliation. Methods The present meta-analysis pooled the effects of outcomes of 1,027 patients enrolled in 16 randomized controlled trials. Results The meta-analysis revealed an advantage to the use of stents compared to locoregional modality treatments with respect to the number of patients requiring reinterventions, although the latter treatment arm had a higher 1-year survival. No difference was observed between the use of the antireflux stents and conventional stents in relieving reflux. Previous chemoradiotherapy had no impact on complications, procedural deaths, and overall patient survival. Differences in outcomes among stents were minimal. Conclusions Conventional self-expanding stents and anti-reflux stents are equally effective. Although the risk difference for 1-year survival favoured locoregional palliative treatment modalities, the latter were associated with a higher number of patients requiring reintervention. Author Affiliation: (1) 2nd Surgical Department and Surgical Oncology Unit, "Korgialenio--Benakio" Red Cross Hospital, 11 Mantzarou Str., Neo Psychiko, Athens, 15451, Greece (2) Department of General and Abdominal Surgery, Johannes Gutenberg University Hospital, Mainz, Germany (3) Department of Colorectal and Laparoscopic Surgery, James Paget University Hospital, Norfolk, UK Article History: Registration Date: 12/04/2010 Received Date: 13/11/2009 Accepted Date: 12/04/2010 Online Date: 04/05/2010
    Keywords: Meta-analysis ; Evidence based ; Publication bias ; Jadad composite scale ; Esophageal stents ; Esophageal palliation ; Brachytherapy ; Thermal tumor ablation ; Reflux ; Malignant dysphagia
    ISSN: 0163-2116
    E-ISSN: 1573-2568
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  • 3
    Language: English
    In: Digestive Diseases and Sciences, 2009, Vol.54(4), pp.887-894
    Description: Background Primary liver cancer constitutes an increasingly malignancy in the Western world and one of the leading causes of cancer-related deaths worldwide. The purpose of this study was to evaluate and compare long-term outcomes after R0 resections in noncirrhotic livers for hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (ICC). Methods Between April 1998 and May 2006 a total of 102 patients with either ICC ( n  = 41, group 1) or HCC ( n  = 61, group 2) in the absence of cirrhosis underwent curative liver resection in our department. Demographic characteristics, operative details, perioperative complications, pathologic findings, tumor recurrence and survival were analyzed. Results Gender ( P  = 0.007), extent of liver resection ( P  = 0.036), additional surgical procedures ( P  〈 0.001) and operative morbidity ( P  = 0.018) differed among the two groups. Following resection, after a median follow-up of 28 months, the calculated 5-year survival was 44% and 40% for ICC and HCC, respectively ( P  = 0.38). The corresponding recurrence-free survival was 25% for both ICC and HCC ( P  = 0.66). UICC stage was found to predict overall and recurrence-free survival in both types of tumors. Multifocality in the case of ICC, and tumor differentiation and vascular invasion in the case of HCC, were predictive factors for overall and recurrence-free survival, respectively. In multivariable analyses, vascular invasion for HCC was predictive for overall and recurrence-free survival, whereas in the case of ICC significant differences were detected in the recurrence analysis for multifocality and UICC stage. Conclusions R0 resections for both ICC and HCC result to similar long-term outcomes, which are characterized by good overall and acceptable recurrence-free survival rates.
    Keywords: R0 resection ; Intrahepatic cholagiocarcinoma ; Intrahepatic cholangiocellular carcinoma ; Hepatocellular carcinoma ; Patient outcome ; Tumor recurrence
    ISSN: 0163-2116
    E-ISSN: 1573-2568
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  • 4
    Language: English
    In: Digestive diseases and sciences, February 2009, Vol.54(2), pp.377-84
    Description: Living donor liver transplantation (LDLT) in cases of hepatocellular carcinoma (HCC) that do not fulfil accepted tumor criteria continues to be a matter of controversy. The aim of this study was to evaluate survival and prognostic factors associated with a liberal exclusionary policy. This is an analysis of data collected prospectively on 57 HCC patients who underwent LDLT at our institution between April 1998 and January 2007. Overall 3-year survival was 62%; this increased to 71% when 45-day mortality was excluded from the analysis. Age proved to be a predictor of survival irrespective of the 45-day mortality. In contrast, the Model for End stage Liver Disease (MELD) score predicted survival only when 45-day mortality was included in the analysis, while alpha fetoprotein (AFP) level predicted survival only when it was excluded. Significant cut-off values were patient age of over 60 years, MELD score above 22, and AFP level greater than 400 ng/ml. A scoring system was developed. Survival rate at 3 years--including 45-day mortality--was 72% for score =2 and 41% for score 〉2 (P = 0.0146). When 45-day mortality was excluded, the survival rate at 3 years was 90% for score =2 and 32% for score 〉2 (P = 0.00002). Our results could further enhance current guidelines on age, MELD score, and AFP level for patients with HCC being evaluated to undergo LDLT.
    Keywords: Living Donors ; Patient Selection ; Carcinoma, Hepatocellular -- Surgery ; Liver Neoplasms -- Surgery ; Liver Transplantation -- Mortality
    ISSN: 01632116
    E-ISSN: 1573-2568
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  • 5
    Language: English
    In: Digestive Diseases and Sciences, 2009, Vol.54(10), pp.2264-2273
    Description: The aim of the study was to evaluate our institutional experience with monotherapies for hepatocellular carcinoma (HCC) in the setting of cirrhosis. A retrospective cohort study was carried out at the tertiary care academic referral center and involved 185 consecutive HCC patients with cirrhosis and no previous treatment who underwent resection ( n  = 61), transarterial chemoembolization (TACE) ( n  = 64), or liver transplantation (LT) ( n  = 60). Long-term survival and survival according to the Milan criteria were the main outcomes measured. Median survival after resection, TACE, and LT was 11, 14, and 23 months, respectively. Five-year cumulative survival after resection, TACE, and LT was 23, 10, and 59%, respectively ( P  = 0.001). Five-year cumulative disease-free survival after resection and LT was 15% and 77%, respectively ( P  = 0.002). The presence of complications in the resection group ( P  = 0.004), MELD score ( P  = 0.0003), and maximum tumor diameter ( P  = 0.05) in the TACE group, and tumor grade ( P  = 0.01) and complications ( P  = 0.004) in the LT group were found to be independent predictors of survival. Five-year survival for patients within the Milan criteria after resection, TACE, and LT was 26, 37, and 66%, respectively. Five-year survival for patients outside the Milan criteria for patients undergoing LT was 53%. The results suggest that LT represents the best oncological treatment option for patients with HCC in the setting of cirrhosis, even for those beyond the Milan criteria. Considering the scarcity of available organs, liver resection remains the best alternative option. TACE remains a potential therapy in patients within the Milan criteria, where it may be more beneficial than resection.
    Keywords: Hepatocellular carcinoma ; Liver resection ; Liver surgery ; Liver transplantation ; Transarterial chemoembolization ; Patient outcome ; Tumor recurrence ; Cirrhosis
    ISSN: 0163-2116
    E-ISSN: 1573-2568
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  • 6
    Language: English
    In: Digestive Diseases and Sciences, 2009, Vol.54(2), pp.377-384
    Description: Background Living donor liver transplantation (LDLT) in cases of hepatocellular carcinoma (HCC) that do not fulfil accepted tumor criteria continues to be a matter of controversy. The aim of this study was to evaluate survival and prognostic factors associated with a liberal exclusionary policy. Material and Methods This is an analysis of data collected prospectively on 57 HCC patients who underwent LDLT at our institution between April 1998 and January 2007. Results Overall 3-year survival was 62%; this increased to 71% when 45-day mortality was excluded from the analysis. Age proved to be a predictor of survival irrespective of the 45-day mortality. In contrast, the Model for End stage Liver Disease (MELD) score predicted survival only when 45-day mortality was included in the analysis, while alpha fetoprotein (AFP) level predicted survival only when it was excluded. Significant cut-off values were patient age of over 60 years, MELD score above 22, and AFP level greater than 400 ng/ml. A scoring system was developed. Survival rate at 3 years—including 45-day mortality—was 72% for score =2 and 41% for score 〉2 ( P  = 0.0146). When 45-day mortality was excluded, the survival rate at 3 years was 90% for score =2 and 32% for score 〉2 ( P  = 0.00002). Conclusions Our results could further enhance current guidelines on age, MELD score, and AFP level for patients with HCC being evaluated to undergo LDLT.
    Keywords: Age ; Alpha fetoprotein ; MELD ; Milan criteria ; Mortality ; Prognostic score ; Survival ; UCSF criteria
    ISSN: 0163-2116
    E-ISSN: 1573-2568
    Source: Springer Science & Business Media B.V.
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