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עמוד בית
Tue, 16.07.24

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November 2022
Shirley Shapiro MD, Shira Shoher MD, Dror Cantrell MD, Micha J. Rapoport MD

Retroperitoneal infiltration, also known as retroperitoneal fibrosis (RPF), is a rare condition, which mostly occurs in men over the age of 40 years. This condition involves inflammation of the soft tissue of the retroperitoneal cavity, most commonly around the infrarenal abdominal aorta, iliac arteries, ureters, and abdominal organs. Clinical manifestations consist of severe pain in the lower back, abdomen, or flank, which may radiate to the inguinal region. Pain may be acute at the onset and can be mistaken for renal colic. Renal and ureteral involvement is common and can develop into acute kidney injury and hypertensive crises.

June 2020
Lior Orbach MD, Ido Nachmany MD, Yaacov Goykhman MD, Guy Lahat MD, Ofer Yossepowitch MD, Avi Beri MD, Yanai Ben-Gal MD, Joseph M. Klausner MD and Nir Lubezky MD

Background: Abdominal tumors invading the inferior vena cava (IVC) present significant challenges to surgeons and oncologists.

Objectives: To describe a surgical approach and patient outcomes.

Methods: The authors conducted a retrospective analysis of surgically resected tumors with IVC involvement by direct tumor encasement or intravascular tumor growth. Patients were classified according to level of IVC involvement, presence of intravascular tumor thrombus, and presence of hepatic parenchymal involvement.

Results: Study patients presented with leiomyosarcomas (n=5), renal cell carcinoma (n=7), hepatocellular carcinoma (n=1), cholangiocarcinoma (n=2), Wilms tumor (n=1), neuroblastoma (n=1), endometrial leiomyomatosis (n=1), adrenocortical carcinoma (n=1), and paraganglioma (n=1). The surgeries were conducted between 2010 and 2019. Extension of tumor thrombus above the hepatic veins required a venovenous bypass (n=3) or a full cardiac bypass (n=1). Hepatic parenchymal involvement required total hepatic vascular isolation with in situ hepatic perfusion and cooling (n=3). Circular resection of IVC was performed in five cases. Six patients had early postoperative complications, and the 90-day mortality rate was 10%. Twelve patients were alive, and six were disease-free after a mean follow-up of 1.6 years.

Conclusions: Surgical resection of abdominal tumors with IVC involvement can be performed in selected patients with acceptable morbidity and mortality. Careful patient selection, and multidisciplinary involvement in preoperative planning are key for optimal outcome.

January 2018
Alex Pavlov MD and Sophie Barnes MD
February 2016
Alisher Tashbayev MD, Alexander Belenky MD, Sergey Litvin MD, Michael Knizhnik MD, Gil N. Bachar MD and Eli Atar MD

Background: Various vena cava filters (VCF) are designed with the ability to be retrieved percutaneously. Yet, despite this option most of them remain in the inferior vena cava (IVC). 

Objectives: To report our experience in the placement and retrieval of three different types of VCFs, and to compare the indications for their insertion and retrieval as reported in the literature.

Methods: During a 5 year period three types of retrievable VCF (ALN, OptEase, and Celect) were inserted in 306 patients at the Rabin Medical Center (Beilinson and Hasharon hospitals). Indications, retrieval rates, median time to retrieval, success and complications rate were viewed and assessed in the three groups of filter types and were compared with the data of similar studies in the literature.

Results: Of the 306 VCFs inserted, 31 (10.1%) were retrieved with equal distribution in the three groups. In most patients the reason for filter insertion was venous thromboembolic events (VTE) and contraindications to anticoagulant therapy. Mean age was 68.38 ± 17.5 years (range 18–99) and was noted to be significantly higher compared to similar studies (53–56 years) (P < 0.0001). Multi-trauma patients were significantly older (71.11 ± 14.99 years) than post-pulmonary embolism patients (48.03 ± 20.98 years, P < 0.0001) and patients with preventive indication (26.00 ± 11.31, P < 0.0001). The mean indwelling time was 100.6 ± 103.399 days. Our results are comparable with the results of other studies, and there was no difference in percentage of retrieval or complications between patients in each of the three groups. 

Conclusions: In 1 of 10 patients filters should be removed after an average of 3.5 months. All three IVC filter types used are safe to insert and retrieve.

 

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