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ESTUDIOS


01 enero 2013

ANNALS OF VASCULAR SURGERY. Endovascular Repair of a Para-Anastomotic Pseudoaneurysm After Renal Autotransplantation: An Alternative to Open Reconstruction

Matthew R. Smeds , Richard Ofstein , Gary J. Peterson , Brian G. Peterson , Donald L. Jacobs

Renal artery anastomotic pseudoaneurysms are rare after renal transplantation. The etiology tends to be technical, infectious, or degenerative, and repair is difficult with a high postsurgical complication rate. We report the first case of a complex autotransplant renal artery pseudoaneurysm repaired with kissing covered stents. A 52-year-old woman presented with severe left lower quadrant abdominal pain 6 years after a renal autotransplant for ureteral stenosis and recurrent pyelonephritis. A computed tomographic angiography (CTA) scan revealed a bilobed aneurysm arising at the anastomosis between the renal and common iliac arteries. Kissing covered stents were placed within the common iliac artery proximally and extending into the transplant renal artery and external iliac artery. Postdeployment angiography confirmed complete exclusion of the pseudoaneurysm and excellent flow into the transplant kidney and left lower extremity. A follow-up CTA scan at 1 month revealed continued stent-graft patency and complete exclusion of the pseudoaneurysm. An endovascular approach to transplant anastomotic pseduoaneurysms using kissing covered stents is a viable option to exclude aneurysmal changes and preserve flow to the transplanted organ in carefully selected patients.

01 febrero 2012

AMERICAN JOURNAL OF ROENTGENOLOGY. Airway Complications After Covered Stent Placement for Malignant Esophageal Stricture: Special Reference to Radiation Therapy

Ji Yeon Park, Ji Hoon Shin, Ho-Young Song, Seong Yoon Yi and Jin Hyoung Kim

OBJECTIVE. The purpose of this study was to evaluate the characteristics of airway complications and survival with special reference to radiation therapy in the care of patients undergoing covered stent placement for malignant esophageal strictures.

01 enero 2012

AMERICAN JOURNAL OF ROENTGENOLOGY. Evaluation of the Incidence of Esophageal Complications Associated With Balloon Dilation and Their Management in Patients With Malignant Esophageal Strictures

Yong Fan, Ho-Young Song, Jin Hyoung Kim, Jung-Hoon Park, Jinoo Kim, Hwoon-Yong Jung, Sung-Bae Kim and Heuiran Lee

OBJECTIVE. The objective of this study was to investigate the incidence of esophageal complications associated with balloon dilation and their management in patients with malignant esophageal strictures.

01 enero 2012

AMERICAN JOURNAL OF ROENTGENOLOGY. Retrospective Comparison of Internally and Externally Covered Retrievable Stent Placement for Patients With Benign Urethral Strictures Caused by Traumatic Injury

Han Kyu Na, Ho-Young Song, Hyun Jin Yeo, Jung-Hoon Park, Jin Hyoung Kim, Hyungkeun Park and Choung-soo Kim

OBJECTIVE. The purpose of this article is to compare the clinical effectiveness and complications of externally and internally covered stents for the treatment of benign urethral strictures.

01 diciembre 2011

AMERICAN JOURNAL OF ROENTGENOLOGY. Role of CT Angiography in the Diagnosis and Treatment of Popliteal Vascular Entrapment Syndrome

Hai Zhong, Jie Gan, Yuan Zhao, Zhuodong Xu, Cheng Liu, Guangrui Shao and Xuejun Wu

OBJECTIVE. Popliteal vascular entrapment syndrome is an uncommon congenital abnormality of the anatomic relations between the popliteal vessels and the neighboring musculotendinous structures. The purpose of this essay is to describe the CT angiographic findings in the diagnosis and treatment of this syndrome.

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