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Background: The incidence of Clostridioides difficile infection (CDI) in peripartum women is rising, but limited data on its effect on maternal and neonatal outcomes are available. Objective: To study the effect of peripartum CDI on pregnancy and neonatal outcomes. Design: Retrospective cohort study. Methods: Patients with peripartum CDI 12 weeks before pregnancy through 6 weeks postpartum (January 1996–February 2018) were matched with controls (peripartum women without CDI) 1:1 by age, year of delivery, and prior pregnancies. McNemar's test and conditional logistic regression were used to analyze the effect of CDI on pregnancy and neonatal outcomes (complications, mode of delivery). p < 0.05 was considered statistically significant. Results: Overall, 101 cases and 100 controls (1997–2018) were included; median age 27 (range, 20–41) years. Timing of CDI was as follows: pre-pregnancy: 15.8% (n = 16), during pregnancy: 51.5% (n = 52), and postpartum: 32.7% (n = 33). The commonest risk factor was outpatient/emergency room visits. Pregnancy and neonatal outcomes were analyzed for 67 matched pairs with CDI before or during pregnancy. Cases had higher odds of cesarean delivery (p = 0.02) and lower odds of Group B Streptococcus (GBS) infection/colonization (p = 0.03). Odds of cesarean delivery remained high after controlling for labor arrest disorders [odds ratio (OR): 17.23 (95% confidence interval (CI), 2.19–543.19; p = 0.004)]; odds of GBS remained low after controlling for antibiotic use (OR: 0.25, 95% CI, 0.04–0.99; p = 0.049). Neonatal outcomes were similar in cases and controls. CDI treatment did not affect treatment-related or delivery outcomes. Conclusion: Peripartum CDI was associated with higher odds of cesarean delivery and lower odds of GBS infections. Larger studies exploring the effect of CDI on pregnancy and neonatal outcomes are needed. [ABSTRACT FROM AUTHOR]

Background: Polymerase chain reaction (PCR) is a sensitive test for diagnosing Clostridioides difficile infection (CDI) and could remain positive following resolution of CDI. The kinetics of PCR positivity following antibiotics for CDI is unknown. We studied this and whether it predicted CDI recurrence. Methods: Adults with CDI from October 2009 to May 2017 were included. Serial stool samples within 60 days of treatment were collected. Recurrent CDI was defined as diarrhea after interim symptom resolution with positive stool PCR within 56 or 90 days of treatment completion. Contingency table analysis was used to assess the risk of recurrence. Results: Fifty patients were included [median age: 51 (range = 20–86) years, 66% women]. Treatment given was metronidazole, 50% (25); vancomycin, 44% (22); both, 4% (2); and fidaxomicin, 2% (1). Median duration of treatment for all 50 patients was 14 (range = 8–60) days. The median duration of treatment in patients who got prolonged therapy (>14 days) (n = 10) was 47 (range = 18–60) days. Median time to negative PCR was 9 (95% CI, 7–14) days from treatment initiation, which did not differ by antibiotics given (p = 0.5). A positive PCR during or after treatment was associated with a higher risk of recurrence at 56 days (p = 0.02) and at 90 days (p = 0.009). Conclusion: The median time to negative PCR in CDI was 9 days from treatment initiation. The PCR positivity during or after treatment may be useful for recurrence prediction; larger studies are needed to validate these results. [ABSTRACT FROM AUTHOR]

Sehgal and Khanna11 review the relationship between this decreased immune response and CDI outcomes and how this has been translated to therapy for patients. It appears based on modeling studies that fidaxomicin may be the most cost-effective treatment strategy for an initial episode of nonsevere CDI and vancomycin for severe CDI, and fidaxomicin for a first recurrence and antibiotics followed by FMT for any subsequent episodes. A high incidence and severity of primary and recurrent I Clostridioides difficile i infection (CDI) continue to plague healthcare systems and people worldwide.[1] Prior to the coronavirus disease 2019 (COVID-19) pandemic, CDI was the most common infection seen in hospitals, and to date, it continues to be the most common bacterial infection in hospitals.[2] Targeting CDI by a multimodal approach by understanding its disease course, pathophysiology, appropriate treatment with benefits, and adverse events, health care delivery to be able to effectively administer treatments across care settings is paramount to curb the difficult menace that CDI is.[1] Therapeutic advances in gastroenterology have solicited and published articles as part of a special collection aiming to focus on the epidemiology, testing, management (antibiotic, antibody treatment, and microbiome-based therapies), the economic burden, and transitions of care aspects related to CDI. [Extracted from the article]