Gastroenterologia y hepatologia最新文献

Patients undergoing colonoscopy are increasingly taking antithrombotic medication. These patients, who are generally older, also have a higher prevalence of colon polyps. Therefore, it is general practice to modify or discontinue antithrombotic treatment before colonoscopy, to reduce the risk of post-polypectomy bleeding (PPB). However, this modification increases the risk of thrombotic events. Currently, the main clinical guidelines recommend cold-snare resection for polyps smaller than 10mm because of its better safety profile, especially in reducing post-polypectomy bleeding. This reduced PPB rate could open the door to maintaining antithrombotic drugs in patients undergoing colonoscopy. This review aims to evaluate the evidence available so far that may support a modification of current guidelines on the management of antithrombotic drugs in the periendoscopic period.

Objective: Real-world evidence on the adoption of different pharmacological strategies in inflammatory bowel disease (IBD) in Latin America is scarce. Herein, we describe real-world sociodemographic, clinical characteristics, and different therapeutic approaches used in patients with IBD in Argentina.

Methods: RISE AR (NCT03488030) was a multicenter, non-interventional study with a cross-sectional evaluation and a 3-year retrospective chart review conducted in Argentina. Adult patients with a previous diagnosis of moderate-to-severe ulcerative colitis (UC) or Crohn's disease (CD) at least 6 months prior to enrollment were included.

Results: This study included 246 patients with IBD (CD: 41%; UC: 59%), with a median age of 39.5 years (IQR 30.7-51.7) for CD and 41.9 years (33.3-55.3) for UC. Overall, 51.5% of CD patients had colonic disease involvement, while 45.5% of UC patients had extensive colitis. At enrollment, the overall use of biologics was high, especially in CD patients (CD: 73.2% vs. UC: 30.3%, p<0.001), while the use of immunosuppressants was similar (∼41%, p=1.000) for both diseases. IBD treatments ever prescribed and healthcare resources utilization during the retrospective period were (CD, UC): biologics: 79.2%, 33.8% (p<0.001); immunosuppressants: 65.3%, 58.6% (p=0.352); aminosalicylates: 62.4%, 97.9% (p<0.001); corticosteroids: 55.4%, 69.7% (p=0.031); surgery: 17.8%, 1.4% (p<0.001); and hospitalizations: 33.7%, 21.4% (p=0.039).

Conclusion: In this cohort of IBD patients, overall prescription patterns of conventional therapy were similar to reports elsewhere; however, biologic therapy use was high, especially in CD, consistent with disease behavior and possibly reflecting better access to care in referral centers. Interestingly, over half of CD patients presented colonic involvement.

Background and objective: Direct-acting antivirals have greatly simplified the treatment of hepatitis C virus (HCV), yet circuits that bring diagnosis and treatment closer to people who inject drugs (PWID) are needed to achieve the elimination targets of the WHO. With this purpose we have established an externalized nurse-driven circuit among former and active PWID in an addiction centre (AC) and a harm reduction centre (HRC).

Methods and settings: The nursing staff offered HCV screening, diagnosis and treatment to the AC and HRC users, administered medication after the hepatologist's remote prescription to those with an active infection who accepted being treated, and implemented educational and harm reduction interventions.

Participants and results: Between October 2018 and March 2021, 566 users accepted screening. 134 (24%) had an active infection, with a higher prevalence among HRC users (42% vs 17%; p<0.001), who were more frequently foreigners, homeless and reported active drug use and syringe sharing. Treatment initiation was similar between groups. Overall sustained viral response (SVR) for intention-to-treat (ITT) and per protocol (PP) was 70% and 88% respectively. Overall adherence was good in both groups; however, SVR was higher in AC users compared to HRC users (ITT-SVR 81% vs 55%). All reinfections (6% by ITT) occurred in the HRC group. Overall loss to follow-up rate was 21%.

Conclusions: This patient-centred nurse-driven circuit demonstrates that HCV treatment can be successfully delivered to PWID even with active drug use and socio-economic complexity. User-specific characteristics need to be considered when setting up these interventions to maximize success.