Introduction: Clostridium difficile Infection is a significant source of morbidity and mortality, which is on the rise. Fecal Microbiota Transplantation (FMT) is an alternative therapy to antibiotics with a high success rate and low relapse rate. Current data regarding the efficacy of the types of FMT used, namely fresh, frozen, and lyophilized is conflicting. Our review attempts to consolidate this data and highlight the most efficacious treatment currently available.Methodology: MEDLINE, Embase, Web of Science Core Collection, Cochrane Central Register of Controlled Trials, SciELO, the Korean Citation Index, and Global Index Medicus were systematically searched from inception through May 3, 2022. Studies in which patients are undergoing any form of FMT who had failed antibiotic treatment previously were included. Both pairwise (direct) and network (direct + indirect) meta-analysis were performed using a random effects model and DerSimonian-Laird approach. A frequentist approach was used for network meta-analysis. Risk differences with (RD) with 95% confidence interval (CI) were calculated.Results: A total of 8 studies, including 4 RCTs and 4 cohort studies, were included with a total of 616 patients. Fresh FMT was determined to be most successful with 93% efficacy 95% CI (0.913 to 0.999) followed by frozen with 88% efficacy 95% CI (0.857 to 0.947) and lyophilized with 83% efficacy 95% CI (0.745 to 0.910). The direct meta-analysis showed no statistically significant difference between fresh and frozen group. (RD −0.051 95% CI −0.116 to 0.014 P = 0.178). No significant differences were noted in frozen versus lyophilized groups with an overall trend towards Fresh FM (RD −0.061 95% CI −0.038 to 0.160 P = 0.617). On network metaanalysis, when compared with fresh group, a lower recovery rate was noted with both frozen group (RD −0.06 95% CI −0.11 to 0.00 P = 0.05) and lyophilized group (RD −0.16 95% CI −0.27 to −0.05 P = 0.01). Conclusion:We conclude the efficacy of Frozen and Lyophilized preparations is high with no difference in direct comparison, and the relative efficacy reduction based on network analysis is outweighed by the safety, accessibility, and practicality of Frozen or Lyophilized preparations.
BACKGROUND Epidemiological studies of chronic pancreatitis (CP) and its association with pancreatic ductal adenocarcinoma (PDAC) are limited. Understanding demographic and ethno-racial factors may help identify patients at the highest risk for CP and PDAC. AIM To evaluate the ethno-racial risk factors for CP and its association with PDAC. The secondary aim was to evaluate hospitalization outcomes in patients admitted with CP and PDAC. METHODS This retrospective cohort study used the 2016 and 2017 National Inpatient Sample databases. Patients included in the study had ICD-10 codes for CP and PDAC. The ethnic, socioeconomic, and racial backgrounds of patients with CP and PDAC were analyzed. RESULTS Hospital admissions for CP was 29 per 100000, and 2890 (0.78%) had PDAC. Blacks [adjusted odds ratio (aOR) 1.13], men (aOR 1.35), age 40 to 59 (aOR 2.60), and being overweight (aOR 1.34) were significantly associated with CP (all with P < 0.01). In patients with CP, Whites (aOR 1.23), higher income, older age (aOR 1.05), and being overweight (aOR 2.40) were all significantly associated with PDAC (all with P < 0.01). Men (aOR 1.81) and Asians (aOR 15.19) had significantly increased mortality ( P < 0.05). Hispanics had significantly increased hospital length of stay (aOR 5.24) ( P < 0.05). CONCLUSION Based on this large, nationwide analysis, black men between 40-59 years old and overweight are at significantly increased risk for admission with CP. White men older than 40 years old and overweight with higher income were found to have significant associations with CP and PDAC. This discrepancy may reflect underlying differences in healthcare access and utilization among different socioeconomic and ethno-racial groups.
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