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The methods and techniques of identifying renal pedicle vessels during retroperitoneal laparoscopic radical and partial nephrectomy.
World Journal of Surgical Oncology 2019 Februrary 23
BACKGROUND: Retroperitoneal laparoscopic radical and partial nephrectomy (RLRN and RLPN) have become the preferred modes of management for renal malignancy. One of the most critical steps in the RLRN and RLPN process is to seek and control the renal pedicle. The current study focuses on introducing methods and techniques that can help quickly and accurately identify the renal pedicle vessels during RLRN and RLPN.
METHODS: RLRNs and RLPNs were performed for 292 cases in our hospital from November 2014 to January 2017. Different measures were adopted to seek and manage bilateral renal pedicle vessels. All operation procedures were performed by the following three steps: dissection, opening, and clamping. For the left lateral, after the perirenal fat in the dorsal and lateral side was fully dissected, the kidney was pushed toward the ventral side. The renal artery was visible when opening the dense bulging connective tissue, which was located in the middle of the dorsal interior of the kidney. Then, the renal artery was clamped with a Hem-o-lok or the Bulldog clamp. For the right kidney pedicles, the inferior vena cava was first identified and then dissipated upward. When the inferior vena cava was not visible, it was often the location of the right renal artery. The treatment for the artery was the same as for the left renal artery. Relevant clinical characteristics of patients, such as operative time, intraoperative blood loss, and duration of postoperative drainage, were analyzed retrospectively. The three-step method of identifying renal pedicle vessels during retroperitoneal laparoscopic radical and partial nephrectomy was evaluated.
RESULTS: All operations were successfully accomplished with satisfying results, during which the artery could be controlled quickly, and no cases were converted to open surgery due to severe bleeding of renal pedicle vessels. There were no complications involving renal vessels during the entire study. The mean operative times were (81.9 ± 19.71) min and (88.2 ± 21.28) min for RLRN and RLPN, with an average intraoperative blood loss of (91.7 ± 47.10) ml and (62.4 ± 47.45) ml, respectively. The warm ischemia time for RLPN was (19.3 ± 5.6) min. The postoperative drainage-tube was removed within (4.5 ± 1.29) d (RLRN) and (4.6 ± 1.98) d (RLPN); the mean postoperative hospital stay times were (7.0 ± 2.4) d and (5.9 ± 1.98) d, respectively.
CONCLUSION: The three-step method of identifying renal pedicle vessels during RLRN and RLPN is direct and feasible, and it may help simplify the operating procedure and improve the safety of the surgery. It may be of great practical application value in the clinical field.
METHODS: RLRNs and RLPNs were performed for 292 cases in our hospital from November 2014 to January 2017. Different measures were adopted to seek and manage bilateral renal pedicle vessels. All operation procedures were performed by the following three steps: dissection, opening, and clamping. For the left lateral, after the perirenal fat in the dorsal and lateral side was fully dissected, the kidney was pushed toward the ventral side. The renal artery was visible when opening the dense bulging connective tissue, which was located in the middle of the dorsal interior of the kidney. Then, the renal artery was clamped with a Hem-o-lok or the Bulldog clamp. For the right kidney pedicles, the inferior vena cava was first identified and then dissipated upward. When the inferior vena cava was not visible, it was often the location of the right renal artery. The treatment for the artery was the same as for the left renal artery. Relevant clinical characteristics of patients, such as operative time, intraoperative blood loss, and duration of postoperative drainage, were analyzed retrospectively. The three-step method of identifying renal pedicle vessels during retroperitoneal laparoscopic radical and partial nephrectomy was evaluated.
RESULTS: All operations were successfully accomplished with satisfying results, during which the artery could be controlled quickly, and no cases were converted to open surgery due to severe bleeding of renal pedicle vessels. There were no complications involving renal vessels during the entire study. The mean operative times were (81.9 ± 19.71) min and (88.2 ± 21.28) min for RLRN and RLPN, with an average intraoperative blood loss of (91.7 ± 47.10) ml and (62.4 ± 47.45) ml, respectively. The warm ischemia time for RLPN was (19.3 ± 5.6) min. The postoperative drainage-tube was removed within (4.5 ± 1.29) d (RLRN) and (4.6 ± 1.98) d (RLPN); the mean postoperative hospital stay times were (7.0 ± 2.4) d and (5.9 ± 1.98) d, respectively.
CONCLUSION: The three-step method of identifying renal pedicle vessels during RLRN and RLPN is direct and feasible, and it may help simplify the operating procedure and improve the safety of the surgery. It may be of great practical application value in the clinical field.
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