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Published in: BMC Cancer 1/2021

Open Access 01-12-2021 | Nephrectomy | Research

Pure retroperitoneal laparoscopic radical nephrectomy and thrombectomy with delayed occlusion of the proximal inferior vena cava (DOPI) technique for renal tumor with level II-III venous tumor thrombus

Authors: Zhuo Liu, Peng Hong, Guodong Zhu, Li Zhang, Xun Zhao, Shiying Tang, Feilong Yang, Xiaojun Tian, Guoliang Wang, Shudong Zhang, Hongxian Zhang, Yi Huang, Chunxia Liu, Cheng Liu, Lulin Ma

Published in: BMC Cancer | Issue 1/2021

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Abstract

Purpose

To explore the safety and effectiveness of delayed occlusion of the proximal inferior vena cava (DOPI) technique in retroperitoneal laparoscopic radical nephrectomy (LRN) and thrombectomy for renal tumor with level II-III venous tumor thrombus (VTT).

Materials and methods

From August 2016 to October 2018, a total of 145 patients with renal tumor and VTT were admitted to our centre. Seventy-five patients underwent laparoscopic surgery, and 70 patients underwent open surgery. Among these patients, 17 patients underwent retroperitoneal LRN and thrombectomy with the DOPI technique. Clinical data were collected retrospectively, and a descriptive statistical analysis was conducted.

Results

All the patients successfully underwent retroperitoneal laparoscopic surgery. The mean operation time was 345.9 ± 182.9 min, the mean estimated blood loss was 466.7 ± 245.5 ml. Postoperative complications occurred in three patients, including two patients of Clavien grading system level IVa and one patient of level II. There were no complications related to carbon dioxide pneumoperitoneum, such as gas embolism, acidosis, and subcutaneous emphysema. During 21 months of median follow-up time, no local recurrence was found, and distant metastasis occurred in four patients. Cancer-specific death occurred in two patients.

Conclusions

The DOPI technique is safe and feasible in the treatment of renal tumor and level II-III VTT. With the DOPI technique, the procedures of dissociating and exposing proximal inferior vena cava are simplified.
Literature
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Metadata
Title
Pure retroperitoneal laparoscopic radical nephrectomy and thrombectomy with delayed occlusion of the proximal inferior vena cava (DOPI) technique for renal tumor with level II-III venous tumor thrombus
Authors
Zhuo Liu
Peng Hong
Guodong Zhu
Li Zhang
Xun Zhao
Shiying Tang
Feilong Yang
Xiaojun Tian
Guoliang Wang
Shudong Zhang
Hongxian Zhang
Yi Huang
Chunxia Liu
Cheng Liu
Lulin Ma
Publication date
01-12-2021
Publisher
BioMed Central
Published in
BMC Cancer / Issue 1/2021
Electronic ISSN: 1471-2407
DOI
https://doi.org/10.1186/s12885-021-08392-5

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