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      Renal Infarction in a Patient with Pulmonary Vein Thrombosis after Left Upper Lobectomy

      case-report

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          Abstract

          A 43-year-old male experienced renal infarction (RI) following left upper lobectomy for lung cancer. The patient complained of acute-onset severe left flank pain on the 14th postoperative day. A contrast-enhanced computed tomography (CT) of the abdomen revealed RI by a large wedge-shaped defect in the left kidney. A chest CT scan located the thrombus in the stump (a blind-ended vessel) of the left superior pulmonary vein. Therefore, thromboembolic RI caused by pulmonary vein thrombosis was suspected. Anticoagulation therapy was initiated with heparin and warfarin to treat RI and to prevent further embolic episodes. Two months later, pulmonary vein thrombosis had resolved without the appearance of additional peripheral infarction. This case emphasizes the need to consider thrombus in the stump of the pulmonary vein as a cause of RI.

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          Most cited references14

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          Thrombosis in the pulmonary vein stump after left upper lobectomy as a possible cause of cerebral infarction.

          Thrombus in the stump of the pulmonary vein (PV) is not a well-known complication after lung resection, and it has the potential to cause embolism to vital organs. To clarify the frequency, risk factors, and cause of this complication, a retrospective clinical study of patients who underwent lobectomy was performed. The study evaluated 193 patients with primary lung cancer who underwent lobectomy from 2005 to 2011 and contrast-enhanced chest computed tomography (CT) within 2 years after lobectomy. Contrast-enhanced CT was retrospectively interpreted to check for thrombus in the PV stump. The operative procedures were 65 right upper lobectomies, 14 right middle lobectomies, 40 right lower lobectomies, 52 left upper lobectomies (LUL), and 22 left lower lobectomies. Thrombus developed in the PV stump in 7 of the 193 patients (3.6%) after lobectomy. All patients with thrombus had undergone LUL, and 13.5% of those who had undergone LUL developed thrombus. Univariate analyses revealed that LUL and operation time were significant risk factors and that adjuvant chemotherapy was marginally significant. It appears that thrombus may be attributable to the length of the PV stump. Measurement of the length of the PV stump using 3-dimensional CT images of the PV revealed that the stump of the left superior PV was longer than the others. Thrombus in the PV stump occurred in 13.5% of patients after LUL. These findings suggest that contrast-enhanced CT should be recommended for patients after LUL to help identify those with a high risk for thromboembolism. Copyright © 2013 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.
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            Idiopathic renal infarction.

            Renal infarction may be an underrecognized disorder. Classical teaching holds that cardioemboli, notably in the setting of arterial fibrillation, are responsible. The expanding use of contrast enhanced computed tomography (CT) in patients with acute abdomen may change the spectrum of renal infarction.
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              Pulmonary vein thrombosis after video-assisted thoracoscopic left upper lobectomy.

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                Author and article information

                Journal
                Case Rep Nephrol Urol
                Case Rep Nephrol Urol
                CRU
                Case Reports in Nephrology and Urology
                S. Karger AG (Allschwilerstrasse 10, P.O. Box · Postfach · Case postale, CH–4009, Basel, Switzerland · Schweiz · Suisse, Phone: +41 61 306 11 11, Fax: +41 61 306 12 34, karger@karger.ch )
                1664-5510
                May-Aug 2014
                22 May 2014
                22 May 2014
                : 4
                : 2
                : 103-108
                Affiliations
                [1] aDepartment of Nephrology, Yokohama Rosai Hospital, Yokohama, Japan
                [2] bDepartment of Thoracic Surgery, Yokohama Rosai Hospital, Yokohama, Japan
                [3] cDepartment of Medicine, Kidney Center, Tokyo Women's Medical University, Tokyo, Japan
                Author notes
                *Kosaku Nitta, MD, PhD, Department of Medicine, Kidney Center, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666 (Japan), E-Mail knitta@ 123456kc.twmu.ac.jp
                Article
                cru-0004-0103
                10.1159/000363224
                4067727
                e2b69ed4-4092-4df5-80d3-6b2afc3c4ba3
                Copyright © 2014 by S. Karger AG, Basel

                This is an Open Access article licensed under the terms of the Creative Commons Attribution-NonCommercial 3.0 Unported license (CC BY-NC) (www.karger.com/OA-license), applicable to the online version of the article only. Users may download, print and share this work on the Internet for noncommercial purposes only, provided the original work is properly cited, and a link to the original work on http://www.karger.com and the terms of this license are included in any shared versions.

                History
                Page count
                Figures: 1, Tables: 2, References: 16, Pages: 6
                Categories
                Published online: May, 2014

                Nephrology
                renal infarction,pulmonary vein thrombosis,lung resection,peripheral infarction,lung cancer

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