Nutcracker Syndrome: laparoscopic external stenting of the renal vein (“the shield technique”)
ABSTRACT Nutcracker syndrome refers to the complex of clinical symptoms caused by the compression of the left renal vein (LRV) between the abdominal aorta and the superior mesenteric artery, leading to stenosis of the aortomesenteric portion of the LRV and dilatation of the distal portion. Hematuria, proteinuria, flank pain, varicocele and pelvic congestion may occur, occurring more frequently in young adults. Conservative management, might be the option whenever it is possible. When surgical treatment is required, classically open surgery have been performed, with major surgeries as LRV transposition or bypass techniques. The main caveats regards the fact that these are large and risky surgeries. Endovascular surgery with venous stent placement has gained some space as it is minimally invasive alternative. However, venous stents are associated with a high number of trombotic complications and in many cases requirement of life-long anticoagulants. External stenting of the LRV with this “shield technique” is a minimally invasive alternative, with good medium term results. We herein demonstrate our second experience with the technique of this surgery in a patient with 12 months of follow up and excellent results.
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Sociedade Brasileira de Urologia
2017
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oai:scielo:S1677-553820170002003732017-04-11Nutcracker Syndrome: laparoscopic external stenting of the renal vein (“the shield technique”)Korkes,FernandoSilveira,MarcelNeves-Neto,Oseas CastroBrandão,Luiz FrancoTobias-Machado,MarcosWolosker,NelsonNasser,FelipeMaurano,AlexandreABSTRACT Nutcracker syndrome refers to the complex of clinical symptoms caused by the compression of the left renal vein (LRV) between the abdominal aorta and the superior mesenteric artery, leading to stenosis of the aortomesenteric portion of the LRV and dilatation of the distal portion. Hematuria, proteinuria, flank pain, varicocele and pelvic congestion may occur, occurring more frequently in young adults. Conservative management, might be the option whenever it is possible. When surgical treatment is required, classically open surgery have been performed, with major surgeries as LRV transposition or bypass techniques. The main caveats regards the fact that these are large and risky surgeries. Endovascular surgery with venous stent placement has gained some space as it is minimally invasive alternative. However, venous stents are associated with a high number of trombotic complications and in many cases requirement of life-long anticoagulants. External stenting of the LRV with this “shield technique” is a minimally invasive alternative, with good medium term results. We herein demonstrate our second experience with the technique of this surgery in a patient with 12 months of follow up and excellent results.info:eu-repo/semantics/openAccessSociedade Brasileira de UrologiaInternational braz j urol v.43 n.2 20172017-04-01text/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1677-55382017000200373en10.1590/s1677-5538.ibju.2015.0666 |
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Korkes,Fernando Silveira,Marcel Neves-Neto,Oseas Castro Brandão,Luiz Franco Tobias-Machado,Marcos Wolosker,Nelson Nasser,Felipe Maurano,Alexandre |
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Korkes,Fernando Silveira,Marcel Neves-Neto,Oseas Castro Brandão,Luiz Franco Tobias-Machado,Marcos Wolosker,Nelson Nasser,Felipe Maurano,Alexandre Nutcracker Syndrome: laparoscopic external stenting of the renal vein (“the shield technique”) |
author_facet |
Korkes,Fernando Silveira,Marcel Neves-Neto,Oseas Castro Brandão,Luiz Franco Tobias-Machado,Marcos Wolosker,Nelson Nasser,Felipe Maurano,Alexandre |
author_sort |
Korkes,Fernando |
title |
Nutcracker Syndrome: laparoscopic external stenting of the renal vein (“the shield technique”) |
title_short |
Nutcracker Syndrome: laparoscopic external stenting of the renal vein (“the shield technique”) |
title_full |
Nutcracker Syndrome: laparoscopic external stenting of the renal vein (“the shield technique”) |
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Nutcracker Syndrome: laparoscopic external stenting of the renal vein (“the shield technique”) |
title_full_unstemmed |
Nutcracker Syndrome: laparoscopic external stenting of the renal vein (“the shield technique”) |
title_sort |
nutcracker syndrome: laparoscopic external stenting of the renal vein (“the shield technique”) |
description |
ABSTRACT Nutcracker syndrome refers to the complex of clinical symptoms caused by the compression of the left renal vein (LRV) between the abdominal aorta and the superior mesenteric artery, leading to stenosis of the aortomesenteric portion of the LRV and dilatation of the distal portion. Hematuria, proteinuria, flank pain, varicocele and pelvic congestion may occur, occurring more frequently in young adults. Conservative management, might be the option whenever it is possible. When surgical treatment is required, classically open surgery have been performed, with major surgeries as LRV transposition or bypass techniques. The main caveats regards the fact that these are large and risky surgeries. Endovascular surgery with venous stent placement has gained some space as it is minimally invasive alternative. However, venous stents are associated with a high number of trombotic complications and in many cases requirement of life-long anticoagulants. External stenting of the LRV with this “shield technique” is a minimally invasive alternative, with good medium term results. We herein demonstrate our second experience with the technique of this surgery in a patient with 12 months of follow up and excellent results. |
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Sociedade Brasileira de Urologia |
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2017 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1677-55382017000200373 |
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