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| 1.
論文（リポジトリ） |
論文（リポジトリ）
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大城, 吉則 ; 安次嶺, 聡 ; 木村, 隆 ; 宮城, 亮太 ; 玉城, 由光 ; 仲西, 昌太郎 ; 松村, 英理 ; 大城, 琢磨 ; 宮里, 実 ; 呉屋, 真人 ; 斎藤, 誠一 ; Oshiro, Yoshinori ; Ashimine, Satoshi ; Kimura, Ryu ; Miyagi, Ryota ; Tamaki, Mitsuyoshi ; Nakanishi, Syotarou ; Matsumura, Eiri ; Oshiro, Takuma ; Goya, Masato ; Miyazato, Minoru ; Saito, Seiichi
概要:
【Objective】Good long-term kidney graft function and graft survival depend on multiple factors. This study aimed to asses
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s the impact of donor and recipient clinical factors on 20-year graft survival after kidney transplantation (KT).\n【Material and Methods】From 1987-1994, twenty-five KTs (14 living and 11 deceased donors) were performed at Ryukyu University Hospital, and 24 of these cases were followed for more than 20 years after the KTs and reviewed. Ten patients had 20 years of graft survival, and 14 experienced graft failure for some reason within 20 years after KTs. Retrospective analyses were performed to elucidate the difference in donor and recipient factors among these patients.\n【Results】The death censored graft survival rates at 5, 10, 15, and 20 years were 92.0%, 83.0%, 67.0%, and 67.0% in living-donor KTs and 73.0%, 62.0%, 62.0%, and 31.0% in deceased-donor KTs, respectively. The overall graft survival rates at 5, 10, 15, and 20 years were 85.0%, 77.0%, 62.0%, and 54.0% in living-donor KTs and 63.0%, 55.0%, 45.0%, and 27.0% in deceased-donor KTs, respectively. Comparison of clinical factors between the ≥ 20-year graft survivor group (10 cases) and <20-year graft survivor group (14 cases) revealed no differences in, for example, recipient age, duration of dialysis, donor age, donor type, number of human leukocyte antigen mismatches, and occurrence of acute rejections within 1 year of KTs. However, among 13 cases of living-donor KTs, the overall graft survivals after KTs from donors older than 50 years were worse than those after KTs from donors younger than 50 years. Also, the death-censored graft survivals after KTs from donors older than 60 years were worse than those after KTs from donors younger than 60 years. Moreover, graft survivals after KTs from maternal donors were worse than those after KTs from nonmaternal living donors, and there were no 20-year graft survivors after KTs from maternal donors.\n【Conclusion】Our results suggest that the principal risk factors associated with <20-year graft survival after living-donor KTs are the presence of donors older than 50 or 60 years and a maternal donor.
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| 2.
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論文（リポジトリ）
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Miyazato, Minoru ; Yamashiro, Satoshi ; Goya, Masato ; Inafuku, Hitoshi ; Ikehara, Akashi ; Oshiro, Yoshinori ; Saito, Seiichi ; Kuniyoshi, Yukio
概要:
Background: Renal cell carcinoma with tumor thrombus extension into the inferior vena cava occurs in approximately 5% of
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cases. Despite such situations, an aggressive surgical approach is recommended. However, intraoperative prevention of pulmonary embolism by a fragmended tumor thrombus is necessary. To prevent pulmonary embolism, placement of a temporary suprarenal filter has been attempted, however, the precise placement of a temporary filter between the level of the hepatic vein and right atrium is not always easy because of its migration, tilting, and strut fracture. Here we report a method for early occlusion control of the intrapericardial inferior vena cava to prevent pulmonary embolism during nephrectomy in level II or III renal cell carcinoma tumor thrombus.\nCase presentation: Our first case was a 37-year-old Japanese man with left renal cell carcinoma extending into the inferior vena cava below the main hepatic vein (level II) and our second was a 75-year-old Japanese man with right renal cell carcinoma extending into the retrohepatic inferior vena cava at the main hepatic vein (level III). En block resection of the kidney and the tumor thrombus was performed with the aid of partial extracorporeal circulation; the postoperative course of both patients was uneventful.\nConclusion: Control of intrapericardial inferior vena cava is a feasible method to prevent pulmonary embolism.
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| 3.
論文（リポジトリ） |
論文（リポジトリ）
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Miyazato, Minoru ; Yamashiro, Satoshi ; Goya, Masato ; Inafuku, Hitoshi ; Ikehara, Akashi ; Oshiro, Yoshinori ; Saito, Seiichi ; Kuniyoshi, Yukio
概要:
Background: Renal cell carcinoma with tumor thrombus extension into the inferior vena cava occurs in approximately 5% of
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cases. Despite such situations, an aggressive surgical approach is recommended. However, intraoperative prevention of pulmonary embolism by a fragmended tumor thrombus is necessary. To prevent pulmonary embolism, placement of a temporary suprarenal filter has been attempted, however, the precise placement of a temporary filter between the level of the hepatic vein and right atrium is not always easy because of its migration, tilting, and strut fracture. Here we report a method for early occlusion control of the intrapericardial inferior vena cava to prevent pulmonary embolism during nephrectomy in level II or III renal cell carcinoma tumor thrombus.\nCase presentation: Our first case was a 37-year-old Japanese man with left renal cell carcinoma extending into the inferior vena cava below the main hepatic vein (level II) and our second was a 75-year-old Japanese man with right renal cell carcinoma extending into the retrohepatic inferior vena cava at the main hepatic vein (level III). En block resection of the kidney and the tumor thrombus was performed with the aid of partial extracorporeal circulation; the postoperative course of both patients was uneventful.\nConclusion: Control of intrapericardial inferior vena cava is a feasible method to prevent pulmonary embolism.
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| 4.
論文（リポジトリ） |
論文（リポジトリ）
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我喜屋, 宗久 ; 小川, 由英 ; 宮里, 実 ; 呉屋, 真人 ; 座波, 久光 ; 向山, 秀樹 ; 川上, 浩司 ; 嘉川, 春生 ; 米納, 浩幸 ; 盛島, 秀泉 ; 名城, 文雄 ; 興那覇, 博隆 ; 新里, 博 ; 島袋, 浩勝 ; 當山, 裕一 ; 翁長, 朝浩 ; 大城, 吉則 ; 外間, 実裕 ; 小倉, 秀章 ; 知念, 善昭 ; 謝花, 政秀 ; 宮里, 朝矩 ; 五十嵐, 正道 ; 比嘉, 功 ; 小山, 雄三 ; 秦野, 直 ; 早川, 正道 ; 大澤, ? ; Gakiya, Munehisa ; Ogawa, Yoshihide ; Miyazato, Minoru ; Goya, Masato ; Zaha, Hisamitsu ; Mukouyama, Hideki ; Kawakami, Kouji ; Kagawa, Haruo ; Yonou, Hiroyuki ; Monshima, Hidemoto ; Nashiro, Fumio ; Yonaha, Hirotaka ; Shinzato, Hiroshi ; Shimabukuro, Hirokatsu ; Touyama, Hirokazu ; Onaga, Tomohiro ; Oshiro, Yoshinori ; Hokama, Sanehiro ; Ogura, Hideaki ; Chinen, Yoshiaki ; Jahana, Masahide ; Miyazato, Tomonori ; Igarashi, Masamichi ; Higa, Isao ; Koyama, Yuzo ; Hatano, Tadashi ; Hayakawa, Masamichi ; Osawa, Akira
概要:
We studied statistically the records of in-patients and operations at the Department of Urology, the University of the R
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yukyus Hospital from 1974 to 1994. 1)The total number of in-patients was 3,528, comprising 2,535 men and 993 women. 2) The prevalent diseases among the in-patients were renalcalculi (12.4%), bladdertumor (10.7%), and benign prostatic hyperplasia (10.6%). 3) A total of 3,807 patients underwent surgery, including open surgery (54.9%) and endoscopic or noninvasive procedure (45.1%). 4) The common surgical procedures employed were TURP (transurethral resection of the prostate) in 336 patients, orchiopexy in 244 patients, and creation of A-V fistula in 242 patients.
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| 5.
論文（リポジトリ） |
論文（リポジトリ）
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大城, 吉則 ; 米納, 浩幸 ; 与那覇, 博隆 ; 謝花, 政秀 ; 比嘉, 功 ; 小山, 雄三 ; 秦野, 直 ; 早川, 正道 ; 大澤, 炯 ; Oshiro, Yoshinori ; Yonou, Hiroyuki ; Yonaha, Hirotaka ; Jahana, Masahide ; Higa, Isao ; Koyama, Yuzo ; Hatano, Tadashi ; Hayakawa, Masamichi ; Osawa, Akira
概要:
Although renal cell carcinoma (RCC) is the most common type of malignant renal tumor in adults, it is rare in childhood.
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We report on a 15-year-old girl with advanced renal cell carcinoma. Chief complaints were abdominal pain, gross hematuria and a right abdominal palpable mass. Diagnostic images (CT, MRI, angiography) revealed a right renal tumor and enlargement of paraortic lymph nodes. These findings suggested RCC, but the possibility of Wilms'tumor could not be ruled out due to the low incidence of RCC in childhood. Therefore, we also planned an adjuvant therapy (chemotherapy and radiation therapy) for Wilms'tumor before operation. During operation, a right huge renal tumor with paraortic lymph node enlargement was observed, and right nephrectomy and lymphadenectomy were performed. Pathological diagnosis was RCC, alveolar type, granular cell subtype, G1, pT 3, PV0, pN2, PM0. The patient is being treated by intramuscular administration with interferon-alpha, and is now free of tumor over 6 months afrer the operation.
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