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# Robotic-assisted adrenalectomy using da Vinci Xi vs. Si: are there differences?

Journal of robotic surgery

Springer Science and Business Media LLC

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### Abstract

Da Vinci Xi, the fourth generation platform, was released in 2014 and introduced as the successor to the Si platform for minimal invasive surgery. We reviewed our experience with robotic-assisted adrenalectomy and compared peri-operative outcomes using the da Vinci robot model Xi vs. Si. Since June of 2014, 85 consecutive patients underwent robotic-assisted adrenalectomy by a high-volume adrenal surgeon at our institution. Patients were divided into two groups: Xi group (n = 25) and Si group (n = 60). The average anesthesia time was 145.8 min for the Xi group and 170.4 min for the Si group (p = 0.001). The mean procedure time for the Xi group (skin to skin) was 92.1 min and for the Si group it was 122.5 min (p = 0.001). The average docking time for the Xi group was 18.2 min and for the Si group 20.3 min (p = 0.04). The average consumables fees for the Xi group were $1246 and for the Si group$1106 (p = 0.04). The calculated relative costs for the Xi group were $3375 and for the Si group$3527 (p = 0.03). The average post-operative hospital stay for the Xi group was 1.6 days and for the Si group 1.7 days (p = 0.18). Robotic-assisted adrenalectomy using the da Vinci Xi system is effective and efficient. This study shows that outcomes were similar between Xi and Si groups.

### Author and article information

###### Journal
J Robot Surg
Journal of robotic surgery
Springer Science and Business Media LLC
1863-2491
1863-2483
Apr 2020
: 14
: 2
###### Affiliations
[1 ] Department of Perioperative Services, Vanderbilt University Medical Center, Nashville, TN, USA. zuliang.feng@vumc.org.
[2 ] Department of General Surgery, Vanderbilt University Medical Center, Nashville, TN, USA.
[3 ] Department of Urology Surgery, Vanderbilt University Medical Center, Nashville, TN, USA.
[4 ] Division of Surgical Oncology and Endocrine Surgery, Vanderbilt University Medical Center, Nashville, TN, USA.
###### Article
10.1007/s11701-019-00995-2
10.1007/s11701-019-00995-2
31273609