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Video-assisted anterior retroperitoneal approach to the lumbar spine. A minimally invasive technique improved by the use of an endoscopic camera to treat lumbar spinal diseases. Consideration over 269 patients
Vol 34, Issue 4S3, 2020
Abstract
We describe the technique we routinely use to perform the retroperitoneal anterior approach using a rigid endoscope coupled to a HDD screen to assist mini-open retroperitoneal anterior approach. Our experience was compared to those reported in the literature for the standard mini-open retroperitoneal approach. We retrospectively analyzed a total of 269 consecutive patients, 109 males and 160 females, underwent anterior lumbar approach in our department, using video-assisted anterior retroperitoneal approach to the lumbar spine. 202 patients had a single L5-S1 or L4-5 ALIF (75.09%), 14 patients received a double level ALIF (5.3%), while 53 patients underwent a double anterior and posterior approach (19.8%). The average preoperative VAS and Oswestry Disability Index (ODI) scores were 9.1±6.3 and 79.3±11.9. At least 16 months follow-up (from 16 months to 5 years), the average VAS and ODI values had improved to 1.6±1.5 and 13.1±13.2, respectively (p < 0.05). The mean length of stay was 4.3±3.5 days. There were 6 major complications (2.2%) related to the approach: major vascular injuries (iliac vein injury) occurred in a total of 3 patients (1.1% of cases), whereas retrograde ejaculation occurred in 3 patients (2,75% of male cases in the series). No wound or deep infections occurred. In our opinion, this technique, compared with other mini-open approach, potentially reduces perioperative morbidity, length of surgery, surgical approach-related complications, and hospitalization.
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Copyright (c) 2020 R. Bassani, C. Morselli, A.M. Querenghi, M. Agnoletto, L. Brambilla, L. Mangiavini
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Medical Genetics, University of Torino Medical School, Italy

Department of Biomedical, Surgical and Dental Sciences, University of Milan, Italy