The human gastrointestinal microbiome contains commensal bacteria and other microbiota that have been gaining increasing attention in the context of cancer development and response to treatment. Microbiota play a role in the maintenance of host barrier surfaces that contribute to both local inflammation and other systemic metabolic functions. In the context of prostate cancer, the gastrointestinal microbiome may play a role through metabolism of estrogen, an increase of which has been linked to the induction of prostatic neoplasia. Specific microbiota such as Bacteroides, Streptococcus, Bacteroides massiliensis, Faecalibacterium prausnitzii, Eubacterium rectalie, and Mycoplasma genitalium have been associated with differing risks of prostate cancer development or extensiveness of prostate cancer disease. In this Review, we discuss gastrointestinal microbiota's effects on prostate cancer development, the ability of the microbiome to regulate chemotherapy for prostate cancer treatment, and the importance of using Next Generation Sequencing to further discern the microbiome's systemic influence on prostate cancer.
The genomic revolution has transformed our understanding of urinary tract infection (UTI). There has been a paradigm shift from the dogmatic statement that urine is sterile in healthy people, as we are becoming forever more familiar with the knowledge that bacterial communities exist within the urinary tracts of healthy people. Metagenomics can investigate broad populations of microbial communities, analyzing all the DNA present within a sample, providing comprehensive data regarding the state of the microenvironment of a patient's urinary tract. This permits medical practitioners to more accurately target organisms that may be responsible for disease-a form of 'precision medicine'. This paper explores the limitations of traditional methods of culture and sensitivity and delves into the recent studies involving new high-throughput genomic technologies in urological research, demonstrating the advances made in the role of urinary microbiome in a whole spectrum of pathologies from urinary tract infection, to prostate cancer. Finally, we discuss the challenges that must be overcome for such technology to become widely used in clinical practice.
Aims To evaluate the impact of multiple arterial grafting (MAG) vs. single arterial grafting (SAG) in a post hoc analysis of 10-year outcomes in patients with diabetes mellitus (DM) from the Arterial Revascularization Trial (ART). Methods and results The primary endpoint was all-cause mortality and the secondary endpoint was a composite of major adverse cardiac events (MACE) at 10-year follow-up. Patients were stratified by diabetes status (non-DM and DM) and grafting strategy (MAG vs. SAG). A total of 3020 patients were included in the analysis; 716 (23.7%) had DM. Overall, 55.8% non-DM patients received MAG and 44.2% received SAG, while 56.6% DM patients received MAG and 43.4% received SAG. The use of MAG compared with SAG was associated with lower 10-year mortality for both non-DM [17.7 vs. 21.0%, adjusted hazard ratio (HR) 0.87, 95% confidence interval (CI) 0.72–1.06] and DM patients (21.5 vs. 29.9%, adjusted HR 0.65, 95% CI 0.48–0.89; P for interaction = 0.12). For both groups, the rate of 10-year MACE was also lower for MAG vs. SAG. Overall, deep sternal wound infections (DSWIs) were uncommon but more frequent in the MAG vs. SAG group in both non-DM (3.3 vs. 2.1%) and DM patients (7.9 vs. 4.8%). The highest rates of DSWI were in insulin-treated patients receiving MAG (9.6 vs. 6.3%, when compared with SAG). Conclusion In this post hoc analysis of the ART, MAG was associated with substantially lower mortality rates at 10 years after coronary artery bypass grafting in patients with DM. Patients with DM receiving MAG had a higher incidence of DSWI, especially if insulin dependent.
Background Patients with atrial fibrillation commonly have complex clinical backgrounds of multimorbidity and polypharmacy. The Atrial Fibrillation Better Care (ABC) pathway has been developed to help deliver integrated and holistic care for patients with atrial fibrillation. In this ancillary analysis, we assessed the adherence to and the effectiveness of the ABC pathway at reducing adverse outcomes in Chinese patients with atrial fibrillation with a complex clinical background of multimorbidity or polypharmacy. Methods and Results The ChiOTEAF (Optimal Thromboprophylaxis in Elderly Chinese Patients With Atrial Fibrillation) registry is a prospective, multicenter, nationwide study conducted from October 2014 to December 2018. The primary outcomes of interest were the composite end point of all‐cause death and thromboembolic events, as well as individual end points of all‐cause death, thromboembolic events, and major bleeding. Multimorbidity was defined as the presence of ≥2 comorbidities, and polypharmacy was defined as the concomitant use of ≥5 medications. The eligible cohort included 4644 patients with multimorbidity, of whom 2610 (56.2%) had available data to assess the ABC pathway usage (mean age, 74.4±10.2; 42.8% women). Among patients with polypharmacy (n=2262; mean age, 74.6±10.1; 43.3% women), 1328 (58.7%) had available data to assess the use of the ABC pathway. Adherence to the ABC pathway was associated with a lower risk of the primary composite outcome among patients with multimorbidity (odds ratio, 0.48; 95% CI, 0.29–0.79) and in the polypharmacy group (odds ratio, 0.39; 95% CI, 0.19–0.78). Health‐related quality of life was lower in the non–ABC‐adherent group compared with the ABC‐treated patients. Conclusions This nationwide real‐world registry shows that adherence to the ABC pathway is associated with improved clinical outcomes and health‐related quality of life in clinically complex Chinese patients with atrial fibrillation with multimorbidity or polypharmacy.
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