Cancer, Laparoscopic Abdominal Surgery, Right Colon Tumors, Robotic Surgical Procedures
Conditions
Keywords
right colon cancer, robotic surgery
Brief summary
This is a retrospective, multicenter cohort study to compare short- and long-term outcomes between robotic and laparoscopic hemicolectomy of right colon cancer.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* 1.Underwent radical right hemicolectomy by Da Vinci robotic or laparoscopic surgery 2.Postoperative pathology confirmed right colon adenocarcinoma (pT2-T4aNxM0; including cecal adenocarcinoma, ascending colon adenocarcinoma, hepatic flexure colon adenocarcinoma, and proximal transverse colon adenocarcinoma) 3.Complete clinical data and pathological results available
Exclusion criteria
* 1.Received neoadjuvant therapy prior to surgery 2.History of other malignancies in the past 5 years (except cured cervical carcinoma in situ, basal cell carcinoma, or squamous cell carcinoma of the skin) 3.Distant metastases (e.g., liver, lung) or extensive abdominal/pelvic metastases confirmed by contrast-enhanced CT, PET-CT, or intraoperative exploration 4.Comorbid neurological/psychiatric disorders impairing ability to express informed consent 5.Poor systemic condition with contraindications to general anesthesia 6.Severe obesity (BMI \>35 kg/m²) 7.Severe widespread abdominal adhesions precluding safe pneumoperitoneum establishment 8.Emergency surgery due to tumor perforation or obstruction 9.Refusal to provide informed consent
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 3-year overall survival (OS) rate and 3-year disease-free survival (DFS) rate | (OS)From post-operation until death or the 3-year study endpoint (DFS)From post-operation to tumor recurrence or the 3-year study endpoint |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Intraoperative blood loss | Periprocedural | — |
| Time to first flatus/bowel movement | Periprocedural | — |
| Time to liquid diet initiation | Periprocedural | — |
| Time to ambulation | Periprocedural | — |
| Operative time | Periprocedural | — |
| Postoperative complications | From end of surgery to 30 days postoperatively | Surgery-related adverse events within 30 days, graded via the Clavien-Dindo classification system |
| Postoperative white blood cell (WBC) count | On postoperative days 1, 3, and 5 | Measured on postoperative days 1, 3, and 5 |
| Postoperative C-reactive protein (CRP) level | On postoperative days 1, 3, and 5 | Measured on postoperative days 1, 3, and 5 |
| Pain score | On postoperative days 1, 3, and 5 | Assessed using the Visual Analog Scale (VAS) on postoperative days 1, 3, and 5 |
| Postoperative hospital stay duration | Up to 30 days | — |