Author: STITCHES Newsletter

A predictive model for delayed gastric emptying after surgery

A new model for predicting delayed gastric emptying (DGE) in pancreatic ductal adenocarcinoma patients post-pancreatoduodenectomy has been developed and validated. Researchers identified four key predictors: days to pancreatic drain removal, pancreatic fistula presence, sepsis/septic shock, and reoperation. The model, described as a DGE risk stratification (DGERS) tool, showed strong calibration and performance during validation, with […]

Risk-specific training enhances surgical complication prediction

Utilizing deep learning models on separately defined risk cohorts significantly improved predictive accuracy for postoperative complications. Training on high-risk patients yielded better area under the precision-recall curve for predicting in-hospital mortality, acute kidney injury, and prolonged ICU stays. This tailored approach notably enhanced F1 scores for various complications, suggesting that risk-specific training could address class […]

Lymph node ratio predicts survival in duodenal adenocarcinoma

The lymph node ratio (LNR) has been identified as a crucial prognostic factor in patients with postoperative duodenal adenocarcinoma. In a study involving 943 patients, those with an LNR of 0.12 or greater experienced poorer overall survival. A nomogram integrating key prognostic factors, including LNR and tumor size, provided effective risk stratification. High-risk patients benefited […]

Robotic-assisted hemi-hepatectomy shows improved outcomes compared to open surgery

A study analyzed 163 patients who underwent either robotic-assisted hemi-hepatectomy (rh) or open hemi-hepatectomy (oh). Robotic procedures demonstrated significantly less blood loss overall and achieved better postoperative outcomes, especially for left hemi-hepatectomy, which resulted in fewer complications and shorter hospital stays. In the case of right hemi-hepatectomy, rh had lower intraoperative blood transfusions but required […]

Laparoscopic techniques improve outcomes in ulcerative colitis surgery

A multicenter study with 379 ulcerative colitis patients reveals that laparoscopic colectomy and restorative procedures significantly enhance pouch function. Key findings indicate that mesocolic dissection and the transanal-transection single-stapling anastomosis are associated with reduced complications like pouchitis and cuffitis. Moreover, approaches such as mesentery lengthening increase failure risk while hand-sewn anastomoses correlate with stenosis. Findings […]

Distinct imaging features differentiate complicated from uncomplicated appendicitis

A comprehensive analysis of imaging findings in 1,094 appendicitis patients identified critical differentiators. The study revealed that the diameter of the appendix, periappendiceal air, effusion, and intraluminal appendicolith were significantly greater in the perforated appendicitis group. Additionally, appendiceal wall thickness varied notably between the groups. These parameters are vital for accurate diagnosis and treatment decisions, […]

Visual endoscopic retrograde appendicitis therapy reduces recurrence risk

Findings indicate that visual endoscopic retrograde appendicitis therapy (v-erat) and antibiotic therapy have similar treatment success rates for uncomplicated acute appendicitis (93.6% vs. 90.5%). However, v-erat significantly lowers the recurrence risk during follow-up and decreases the appendectomy rate (4.3% vs. 9.5%). Additionally, patients undergoing v-erat experience a shorter initial hospitalization (3 days vs. 4 days) […]

Colon cancer metastasis distribution shifts significantly over five years

A dramatic near 70% decline in resectable or borderline metastatic colorectal cancer cases was observed over the past five years. Researchers noted significant changes in metastasis distribution; specifically, m1a pathological cases decreased while m1c cases rose from 26.6% to 32.4%. Notably, stage 4b emerged as a strong predictor for hepatic metastasis. These findings underscore the […]

Preoperative recurrence score predicts early recurrence in cholangiocarcinoma

A preoperative recurrence score (PRS) model was developed to predict early recurrence in peri-hilar cholangiocarcinoma patients based on radiological features. In a study of 215 patients, significant predictors included tumor size, portal vein involvement, hepatic artery involvement, and suspicious lymph nodes. The PRS demonstrated excellent discrimination, achieving AUCs of 0.83 in internal and 0.84 in […]

Vascular navigation system reduces complications in laparoscopic gastrectomy

A patient-specific vascular navigation system demonstrated clinical feasibility in laparoscopic gastrectomy for gastric cancer, with no adverse events reported during surgeries. Compared to 114 patients without the system, those using it had significantly lower overall complication rates (10.5% vs. 26.3%, p=0.043) and no pancreas-related complications encountered. The findings suggest that integrating this navigation tool can […]