ArticleSurgical endoscopy2024
One year follow-up of the colon cancer patient cohort treated with a novel miniaturized robotic-assisted surgery device (mRASD).
Article in Surgical endoscopy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundWith the proven benefits of minimally invasive surgery, there is steady growth in robotic surgery use and interest in novel robotic platforms. A miniaturized Robotic-Assisted Surgery Device (mRASD) has been in clinical use under a multi-center, investigational device exemption (IDE) study for right and left colectomy. The goal of this work was to report the short-term and 12-month outcomes specifically for the cohort of colon cancer patients that underwent surgery using the mRASD.
methodFrom the IDE study that included both benign and malignant diseases, long-term follow-up was only conducted for patients with colon cancer. The main outcome measures were the oncologic quality metrics (Overall Survival, OS and Disease-free Survival, DFS). Secondary outcomes included incidence of intra-operative, device-related, and procedure-related adverse events. Frequency statistics were performed to assess the measures of central tendency and variability in short (within 30 days) and long-term (1-year) outcomes.
resultsThirty total patients underwent a colectomy with mRASD; 17 (57%) were diagnosed with a malignancy and included in this analysis. The mean patient age was 59.9 ± 13.2 years. There were no intraoperative or device-related adverse events. In 100% of cases (n = 17), the primary dissection was completed and hemostasis maintained using the mRASD, and negative margins were achieved. At 30 days postoperatively, the major complication rate was 6%, and there was one unplanned reoperation for anastomotic leak. At one-year follow-up, the OS and DFS rates were 100 and 94%, respectively. In one patient, omental implants were discovered at the time of surgery, and the patient opted to not undergo additional therapy.
conclusionsThe first experience with mRASD for colectomy in colon cancer demonstrated technical effectiveness and an acceptable surgical safety profile in line with other minimally invasive procedures. The study continues to monitor disease recurrence and survival outcomes in this cohort.
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