5 year oncological outcomes of the HIGHLOW randomized clinical trial

Registry-based study comparing health-related quality of life between patients with primary rectal cancer and locally recurrent rectal cancer

AIM

National clinical registries offer the benefits of a comprehensive dataset, particularly when linked with patient-reported outcome (PRO) data. This aim of this study was to utilise UK registry data to assess cross-sectional differences in health-related quality of life (HrQoL) in patients with primary rectal (PRC) and locally recurrent rectal cancer (LRRC).

MATERIALS AND METHODS

Data were extracted from the COloRECTal cancer Repository (CORECT-R) and the Locally Recurrent Rectal Cancer - Quality of Life (LRRC-QoL) datasets. Propensity score matching was undertaken in a 1:1 ratio using two covariates: age and sex. The primary outcome was the FACT-C Colorectal Cancer Subscale (CCS). Statistical significance was determined using p < 0.05 and clinical significance using effect size (ES) and minimally important clinical difference (MCID).

RESULTS

A matched cohort with 72 patients in each group was identified. Overall FACT-C CCS scores were worse in patients with LRRC from a statistical (11.80 vs 18.03, p < 0.001) and clinically meaningful perspective (ES 1.63, MCID 6.23). Patients with PRC reported better digestion (p < 0.001, ES 0.85), better control over their bowels (p < 0.001, ES 1.03) and increased appetite (p < 0.001, ES 1.74, MCID 2.08). Patients with LRRC reported worse stomach swelling (p < 0,001, ES 0.97) and more diarrhoea (p < 0.001, ES 0.92), however they reported better body image (p < 0.001, ES 0.80).

CONCLUSION

Patients with LRRC reported significantly worse overall scores in the FACT-C CCS from both a statistical and clinical perspective, demonstrating the ability of the FACT-C to distinguish between these patient groups and the benefits of the inclusion of PROs within colorectal cancer registries, specifically including patients with advanced/recurrent disease.

Elderly Rectal Cancer: An Updated Review

PURPOSE OF REVIEW

Treatment of rectal cancer patients of advanced age should be modulated by life expectancy and tolerance. Due to the rapid advance of this field, we aim to conduct an updated review of this topic.

RECENT FINDINGS

The field of elderly rectal cancer has advanced a lot. This review covers all the treatment aspects of elderly rectal cancer, including the prognostic factor, surgery, radiotherapy, chemotherapy, and palliative treatment. We also provide the future aspect of the management of elderly rectal cancer. The advancement of prognostic factor research, surgery, radiotherapy, chemotherapy, and palliative treatment has made the care of elderly rectal cancer patients better. The future of these fields should focus on the definition of the elderly and the application of particle therapy.

Long-term clinical outcomes after high and low ligations with lymph node dissection around the root of the inferior mesenteric artery in patients with rectal cancer

PURPOSE

This study aimed to evaluate the long-term clinical outcomes based on the ligation level of the inferior mesenteric artery (IMA) in patients with rectal cancer.

METHODS

This was a retrospective analysis of a prospectively collected database that included all patients who underwent elective low anterior resection for rectal cancer between January 2013 and December 2019. The clinical outcomes included oncological outcomes, postoperative complications, and functional outcomes. The oncological outcomes included overall survival (OS) and relapse-free survival (RFS). The functional outcomes, including defecatory and urogenital functions, were analyzed using the Fecal Incontinence Severity Index, International Prostate Symptom Score, and International Index of Erectile Function questionnaires.

RESULTS

In total, 545 patients were included in the analysis. Of these, 244 patients underwent high ligation (HL), whereas 301 underwent low ligation (LL). The tumor size was larger in the HL group than in the LL group. The number of harvested lymph nodes (LNs) was higher in the HL group than in the LL group. There were no significant differences in complication rates and recurrence patterns between the groups. There were no significant differences in 5-year RFS and OS between the groups. Cox regression analysis revealed that the ligation level (HL vs. LL) was not a significant risk factor for oncological outcomes. Regarding functional outcomes, the LL group showed a significant recovery in defecatory function 1 year postoperatively compared with the HL group.

CONCLUSION

LL with LNs dissection around the root of the IMA might not affect the oncologic outcomes comparing to HL; however, it has minimal benefit for defecatory function.

Inferior Mesenteric Artery Ligation Level in Rectal Cancer Surgery beyond Conventions: A Review

Within the intricate field of rectal cancer surgery, the contentious debate over the optimal level of ligation of the inferior mesenteric artery (IMA) persists as an ongoing discussion, influencing surgical approaches and patient outcomes. This narrative review incorporates historical perspectives, technical considerations, and functional as well as oncological outcomes, addressing key questions related to anastomotic leakage risks, genitourinary function, and oncological concerns, providing a more critical understanding of the well-known inconclusive evidence. Beyond the dichotomy of high versus low tie, it navigates the complexities of colorectal cancer surgery with a fresh perspective, posing a transformative question: "Is low tie ligation truly reproducible?" Considering a multidimensional approach that enhances patient outcomes by integrating the surgeon, patient, technique, and technology, instead of a rigid and categorical statement, we argued that a balanced response to this challenging question may require compromise.