Category: Intestine and Lower Gastrointestinal Tract

Preoperative CEA levels can predict survival in rectal cancer.

A new study identifies a preoperative carcinoembryonic antigen (CEA) cutoff of 2.8 ng/ml as significant for predicting 5-year survival in rectal cancer patients. Analysis of 316 individuals revealed that higher CEA levels correlate with poor overall survival. The presence of lymphovascular and perineural invasions also emerged as critical prognostic indicators, with patients achieving a pathologic […]

Surgical resection improves survival in colorectal lung metastases.

A retrospective analysis of 2,976 patients with solitary colorectal lung metastases revealed that surgical resection significantly enhances survival rates. Specifically, patients who underwent surgery had a five-year survival rate of 42.7%, compared to 29.7% for radiation therapy and 23.9% for conservative management. Multivariate analysis confirmed that surgical intervention was linked to improved survival outcomes (hazard […]

Incomplete resections lead to high rates of residual tumors

A significant 48.4% of patients undergoing salvage local resection (SLR) for incompletely resected rectal neuroendocrine tumors (r-NETs) had residual tumors. Rates varied by resection method: 70% for cold forceps polypectomy, 41.7% for conventional polypectomy/endoscopic mucosal resection, and 0% for modified techniques. Multivariate analysis indicated that suspected remnant tumors and the use of cold forceps were […]

Alignment with Bologna guidelines improves outcomes in SBO patients

Compliance with the World Society of Emergency Surgery Bologna guidelines significantly enhanced outcomes for patients with adhesive small bowel obstruction (SBO). Among 982 patients, those receiving successful non-operative management (NOM) had a mean hospital stay of 5.3 days, while surgical interventions resulted in longer stays. Notably, optimal outcomes were achieved in 61% of successful NOM […]

Microwave ablation matches surgical resection for liver metastases

In a cohort study involving 1,027 patients with colorectal liver oligometastases, survival outcomes between microwave ablation (MWA) and surgical resection (SR) were compared. After a median follow-up of 39.8 months, no significant differences were found in overall survival rates (MWA: 70.6 months vs. SR: 83.2 months) or progression-free survival (MWA: 18.5 months vs. SR: 22.3 […]

New nomogram predicts disease-free survival in colon cancer patients

A prognostic study developed validated pre- and post-operative nomograms predicting disease-free survival (DFS) in patients who underwent curative resection for right-sided colon cancer. In a cohort of 822 patients, 1-, 3-, and 5-year DFS rates were found to be 85.6%, 72.5%, and 57.6%, respectively. Key risk factors included age, gender, ASA score, albumin levels, tumor […]

Delayed coloanal anastomosis reduces complications for low rectal cancer.

A study involving 305 patients found that delayed coloanal anastomosis (dcaa) resulted in a significantly lower overall postoperative complication rate of 15% compared to 31% for immediate coloanal anastomosis (icaa). Early and late anastomosis-related complications were also reduced in the dcaa group. Furthermore, at two years post-surgery, patients in the dcaa cohort displayed notably better […]

Enhanced assessment of blood supply during colorectal surgery

Integrating biophysical modeling and machine learning significantly improves intraoperative assessment of intestinal perfusion in laparoscopic low anterior rectal resection. An analysis of 68 patients demonstrated that the automated model outperformed traditional scoring methods, achieving a root mean square error of 2.47 and a mean absolute error of 1.99. This innovative approach offers a quantitative framework, […]

Hybrid 3D and Sandwich Techniques Show Superior Outcomes in Hernia Repair

A network meta-analysis of 20 studies evaluated various mesh placement techniques for parastomal hernia repair. Results indicated that the hybrid 3D technique significantly reduced hernia recurrence and surgical site infections compared to keyhole and Sugarbaker methods. Among the assessed methods, the Sandwich technique ranked highest in terms of the lowest recurrence rates. Both hybrid 3D […]

Computer-assisted navigation improves surgical outcomes in pelvic tumor resections

A systematic review and meta-analysis of 11 studies involving 402 patients revealed that computer-assisted navigation (CAN) significantly reduced local recurrence rates (p = 0.008) and increased the likelihood of negative margins (p = 0.0007) in pelvic tumor surgeries. Five-year overall survival for navigated surgeries averaged 78.5%. No notable differences were found in metastasis rates (p […]