Gut Microbiota and Related Electronic Multisensorial System Changes in Subjects With Symptomatic Uncomplicated Diverticular Disease Undergoing Rifaximin Therapy

Background: Intestinal dysbiosis might play a pathogenetic role in subjects with symptomatic uncomplicated diverticular disease (SUDD), but the effect of rifaximin therapy has been scantly explored with regard to gut microbiota variations in patients with SUDD.Aims: To verify to which extent rifaximin treatment affects the gut microbiota and whether an electronic multisensorial assessment of stools and breath has the potential for detecting these changes.Methods: Breath and stool samples were collected from consecutive patients with SUDD before and after a 7 days' therapy with rifaximin. Stool microbiota was assessed, and the electronic multisensorial assessment was carried out by means of the BIONOTE electronic (e-)tongue in stools and (e-)nose in breath.Results: Forty-three subjects (female 60%, median age 66 years) were included, and 20 (47%) reported clinical improvement after rifaximin therapy. Alpha and beta diversity of stool microbiota did not significantly change after treatment, while a significant variation of selected taxa was shown (i.e., Citrobacter, Coprococcus, Anaerotruncus, Blautia, Eggerthella lenta, Dehalobacterium, SMB53, and Haemophilus parainfluenzae). Overall, the electronic multisensorial system suboptimally mirrored microbiota changes, but it was able to efficiently predict patients' clinical improvement after rifaximin with accuracies ranging from 0.81 to 0.98.Conclusions: In patients with SUDD, rifaximin administration is associated with significant variation of selected taxa. While inaccurate in predicting gut microbiota change, an electronic multisensorial system, made up of e-tongue and e-nose, was able to predict clinical improvement, thus potentially qualifying as an easy and cheap tool to forecast subjects taking most likely benefit from rifaximin therapy.

Pregnancy and Healthy Childbirth in a 37 Year-Old Patient with Diverticular Disease

Aim. To describe a clinical case of pregnancy and healthy labour in a young female patient with uncomplicated diverticular disease (DD).Key points. In recent years, DD is more frequently observed in younger patients. A 37-yo woman manifested the symptoms of periodic intense abdominal pain and constant abdominal discomfort. Colonic DD was diagnosed with irrigoscopy. A high-fibre diet, rifaximin-α at 400 mg twice a day for one week, once a month for six months, and topical anti-inflammatory therapy were prescribed. Clinical symptoms were eradicated upon the treatment. Unaware of pregnancy, the patient had another course of rifaximin-α at the second week of gestation, after which the therapy was stopped. Rifaximin-α, which has a poor intestinal absorption, did not affect the foetal development. A caesarean childbirth was healthy, the newborn was delivered on term with no complications (Apgar score 8).Conclusion. DD should be included in differential diagnosis for patients with non-specific symptoms (abdominal pain, bloating and discomfort), regardless of young age. No protocols are currently accepted for the DD management during gestation. In the clinical case reported, a patient having diverticular disease and a rifaximin-α therapy at an early term of gestation proceeded without complications for herself and the foetus.

A Very Rare Case of Colosalpingeal Fistula Secondary to Diverticulitis: An Overview of Development, Clinical Features and Management

Background: Colosalpingeal fistula is a rare complication secondary to diverticular disease. The pathogenesis is still not clearly understood. We present the case of a colosalpingeal fistula and a review of the management of this pathology. Case report: A 69-year-old patient with uncomplicated diverticular disease was referred to our department for recurrent vaginal discharge. The clinical examination was unremarkable, hysteroscopy revealed the presence of air in the uterine cavity in the absence of a uterine fistula. A preliminary diagnosis of colosalpingeal fistula was made and was confirmed by computed tomography (CT) scan and hysterosalpingography. A one-stage surgery via laparotomy was successfully performed with remission of the symptoms. Conclusion: Colotubal fistula is a rare complication resulting from intestinal diverticular disease. The purpose of this paper was to emphasize the presence of a rare, but serious complication occurring in diverticular disease with atypical symptoms and one-stage surgery treatment.

Erratum: Shifrin O.S. et al., “Russian Non Interventional Study of the Efficacy and Tolerability of Rifaximin Therapy in Patients with Uncomplicated Diverticular Disease under the Conditions of Outpatient Practice”

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