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| 1.
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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| 2.
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
…
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.
図書 |
図書
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[by] Michael Hume, Simon Sevitt [and] Duncan P. Thomas
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| 4.
論文（リポジトリ） |
論文（リポジトリ）
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宜保, 昌樹 ; 安座間, 泰晴 ; 運天, 忍 ; 與儀, 彰 ; 境, 昌弘 ; 村山, 貞之 ; Gibo, Masaki ; Azama, Yasuharu ; Unten, Shinobu ; Yogi, Akira ; Sakai, Masahiro ; Murayama, Sadayuki
概要:
Thirty-two consecutive patients suspected of having pulmonary embolism underwent multi detector-row CT and were prospect
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ively randomized to one of two intravenous contrast injection protocols. Protocol A (370 mg I/ml, total volume of 100 ml, and injection rate of 3.0 ml/sec) was applied in 15 patients, and protocol B (300 mg I/ml, 150 ml, and 3.0 ml/sec) in 17 patients. In early phase, CT values of the pulmonary artery and left atrium of protocol A were significantly higher than protocol B (P < 0.05). In delayed phase, CT values of the descending aorta, abdominal aorta, and inferior vena cava of protocol B were significantly higher than protocol A (P < 0.05). Venous enhancement of the lower extremities was equal between protocols. Our data suggest that protocol A is superior to protocol B in the diagnosis of pulmonary embolus, but inferior to protocol B in the diagnosis of inferior vena caval thrombus.
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