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Long-term survival after resection of pancreatic cancer:A single-center retrospective analysis 被引量:18
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作者 Takehito Yamamoto Shintaro Yagi +6 位作者 Hiromitsu Kinoshita Yusuke Sakamoto Kazuyuki Okada Kenji Uryuhara Takeshi Morimoto satoshi kaihara Ryo Hosotani 《World Journal of Gastroenterology》 SCIE CAS 2015年第1期262-268,共7页
AIM: To retrospectively analyze factors affecting the long-term survival of patients with pancreatic cancer who underwent pancreatic resection.METHODS: From January 2000 to December 2011,195 patients underwent pancrea... AIM: To retrospectively analyze factors affecting the long-term survival of patients with pancreatic cancer who underwent pancreatic resection.METHODS: From January 2000 to December 2011,195 patients underwent pancreatic resection in our hospital.The prognostic factors after pancreatic resection were analyzed in all 195 patients.After excluding the censored cases within an observational period,the clinicopathological characteristics of 20 patients who survived ≥ 5(n = 20) and < 5(n = 76) years were compared.For this comparison,we analyzed the patients who underwent surgery before June 2008 and were observed for more than 5 years.For statistical analyses,the log-rank test was used to compare the cumulative survival rates,and the χ2 and Mann-Whitney tests were used to compare the two groups.The CoxHazard model was used for a multivariate analysis,and P values less than 0.05 were considered significant.A multivariate analysis was conducted on the factors that were significant in the univariate analysis.RESULTS: The median survival for all patients was 27.1 months,and the 5-year actuarial survival rate was 34.5%.The median observational period was 595 d.With the univariate analysis,the UICC stage was significantly associated with survival time,and the CA19-9 ≤ 200 U/m L,DUPAN-2 ≤ 180 U/m L,t u m o r s i ze ≤ 2 0 m m,R 0 re s e c t i o n,a b s e n c e o f lymph node metastasis,absence of extrapancreatic neural invasion,and absence of portal invasion were favorable prognostic factors.The multivariate analysis showed that tumor size ≤ 20 mm(HR = 0.40; 95%CI: 0.17-0.83,P = 0.012) and negative surgical margins(R0 resection)(HR = 0.48; 95%CI: 0.30-0.77,P = 0.003) were independent favorable prognostic factors.Among the 96 patients,20 patients survived for 5 years or more,and 76 patients died within 5 years after operation.Comparison of the 20 5-year survivors with the 76 non-survivors showed that lower concentrations of DUPAN-2(79.5 vs 312.5 U/mL,P = 0.032),tumor size ≤ 20 mm(35% vs 8%,P = 0.008),R0 resection(95% vs 61%,P = 0.004),and absence of lymph nodemetastases(60% vs 18%,P = 0.036) were significantly associated with the 5-year survival.CONCLUSION: Negative surgical margins and a tumor size ≤ 20 mm were independent favorable prognostic factors.Histologically curative resection and early tumor detection are important factors in achieving long-term survival. 展开更多
关键词 PANCREATIC cancer LONG-TERM SURVIVAL Longterm surv
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Indocyanine green plasma clearance rate and 99mTc-galactosyl human serum albumin single-photon emission computed tomography evaluated preoperative remnant liver
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作者 Kentaro Iwaki satoshi kaihara +3 位作者 Ryosuke Kita Koji Kitamura Hiroki Hashida Kenji Uryuhara 《World Journal of Clinical Cases》 SCIE 2022年第25期8844-8853,共10页
BACKGROUND Preoperative evaluation of future remnant liver reserves is important for safe hepatectomy.If the remnant is small,preoperative portal vein embolization(PVE)is useful.Liver volume analysis has been the prim... BACKGROUND Preoperative evaluation of future remnant liver reserves is important for safe hepatectomy.If the remnant is small,preoperative portal vein embolization(PVE)is useful.Liver volume analysis has been the primary method of preoperative evaluation,although functional examination may be more accurate.We have used the functional evaluation liver using the indocyanine green plasma clearance rate(KICG)and 99mTc-galactosyl human serum albumin single-photon emission computed tomography(99mTc-GSA SPECT)for safe hepatectomy.AIM To analyze the safety of our institution’s system for evaluating the remnant liver reserve.METHODS We retrospectively reviewed the records of 23 patients who underwent preoperative PVE.Two types of remnant liver KICG were defined as follows:Anatomical volume remnant KICG(a-rem-KICG),determined as the remnant liver anatomical volume rate×KICG;and functional volume remnant KICG(frem-KICG),determined as the remnant liver functional volume rate based on 99mTc-GSA SPECT×KICG.If either of the remnant liver KICGs were>0.05,a hepatectomy was performed.Perioperative factors were analyzed.We defined the marginal group as patients with a-rem-KICG of<0.05 and a f-rem-KICG of>0.05 and compared the postoperative outcomes between the marginal and not marginal(both a-rem-KICG and f-rem-KICG>0.05)groups.RESULTS All 23 patients underwent planned hepatectomies.Right hepatectomy,right trisectionectomy and left trisectionectomy were in 16,6 and 1 cases,respectively.The mean of blood loss and operative time were 576 mL and 474 min,respectively.The increased amount of frem-KICG was significantly larger than that of a-rem-KICG after PVE(0.034 vs 0.012,P=0.0273).The not marginal and marginal groups had 17(73.9%)and 6(26.1%)patients,respectively.The complications of Clavian-Dindo classification grade II or higher and post-hepatectomy liver failure were observed in six(26.1%)and one(grade A,4.3%)patient,respectively.The 90-d mortality was zero.The marginal group had no significant difference in postoperative outcomes(prothrombin time/international normalised ratio,total bilirubin,complication,post-hepatectomy liver failure,hospital stay,90-d,and mortality)compared with the not-marginal group.CONCLUSION Functional evaluation of the remnant liver enabled safe hepatectomy and may extend the indication for hepatectomy after PVE treatment. 展开更多
关键词 99mTc-galactosyl human serum albumin single-photon emission computed tomography HEPATECTOMY Indocyanine green Indocyanine green plasma clearance rate Liver function evaluation Remnant liver reserve
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