|
イワモト タカユキ
Takayuki Iwamoto
岩本 高行 所属 川崎医科大学 医学部 臨床医学 乳腺甲状腺外科学 職種 講師 |
|
| 論文種別 | 原著 |
| 言語種別 | 英語 |
| 査読の有無 | 査読あり |
| 表題 | Effects of prophylactic splenic artery modulation on portal overperfusion and liver regeneration in small-for-size graft. |
| 掲載誌名 | 正式名：Transplantation 略 称：Transplantation ISSNコード：15346080/00411337 |
| 掲載区分 | 国外 |
| 巻・号・頁 | 86(5),pp.673-80 |
| 著者・共著者 | Yuzo Umeda, Takahito Yagi, Hiroshi Sadamori, Hiroyoshi Matsukawa, Hiroaki Matsuda, Susumu Shinoura, Kenji Mizuno, Ryuichi Yoshida, Takayuki Iwamoto, Daisuke Satoh, Noriaki Tanaka |
| 発行年月 | 2008/09 |
| 概要 | BACKGROUND:The small-for-size (SFS) syndrome is caused by excessive portal inflow into a small-sized liver graft. Various approaches for portal decompression have been used, but details of their impact on liver regeneration in SFS graft remain unclear. We examined the effect of prophylactic splenic artery modulation (SAM).METHODS:We conducted a retrospective cohort study. The study group was 39 consecutive adult-to-adult living liver transplantation recipients, with a graft-to-recipient body weight ratio of less than 0.8. Patients were assigned into the non-SAM group (n=18, without any portal inflow attenuation) or SAM group (n=21, preoperative embolization in 15 patients and intraoperative ligation in 6 patients). Hepatic hemodynamics, graft function, liver regeneration, and outcome were evaluated.RESULTS:In the SAM group, the excessive portal flow was significantly reduced (P<0.01) and the effect of embolization on portal decompression was equivalent to that of ligation. In the acute postoperative phase, serum transaminases, interleukin-6, and tumor necrosis factor-alpha, were lower in the SAM group than in non-SAM group. In both groups, a negative correlation was observed between graft-to-recipient body weight ratio and liver regeneration rate at 2 weeks after living donor liver transplantation. Splenic artery modulation was advantageous for liver regeneration, and significantly improved clinical features, hyperbilirubinemia, and prolonged ascites. Small-for-size syndrome occurred in five patients of the non-SAM group, and only one of SAM group (P=0.038).CONCLUSION:In SFS graft with severe portal hypertension, prophylactic splenic embolization/ligation seems to relieve portal overperfusion injury and contributes in improvement of posttransplantation prognosis through liver regeneration. |
| DOI | 10.1097/TP.0b013e318181e02d |
| PMID | 18791439 |