N.A. DANILOVA¹, R.A. ABDULKHAKOV¹, S.R. ABDULKHAKOV¹^,3, A.KH. ODINTSOVA², A.KH. RAMAZANOVA², L.R. SADYKOVA²

¹Kazan State Medical University, 49 Butlerov St., 420012 Kazan, Russian Federation

²Republican Clinical Hospital of the Ministry of Healthcare of the Republic of Tatarstan, 138 Orenburgskiy Tract, 420064 Kazan, Russian Federation

³Kazan Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russian Federation

Danilova N.A. — postgraduate student of the Department of Hospital Therapy, tel. +7-962-568-54-00, e-mail: danilova.natalya.87@mail.ru

Abdulkhakov R.A. — D. Med. Sc., Professor of the Department of Hospital Therapy, tel. +7-919-643-55-04, e-mail: rustemabdul@mail.ru

Abdulkhakov S.R. — Cand. Med. Sc., Assistant Lecturer of the Department of General Medical Practice of KSMU; senior researcher of the OpenLab «Gene and Cell Technologies», KFU, tel. +7-917-934-21-92, e-mail: sayarabdul@yandex.ru

Odintsova A.Kh. — Cand. Med. Sc., Head of the Department of Gastroenterology, tel. (843) 237-36-27, e-mail: odincovaa@yandex.ru

Ramazanova A.Kh. — physician of the Department of Gastroenterology, tel. (843) 237-36-27, e-mail: alsuramazan@mail.ru

Sadykova L.R. — physician of the Department of Gastroenterology, tel. (843) 237-36-27, e-mail: odincovaa@yandex.ru

The article presents modern views on the problem of the intestinal bacterial overgrowth syndrome (IBOS), definition and etiology of this syndrome, its clinical manifestations. Besides diagnostic tests the possibilities of syndrome management are described. We also present own results of hydrogen breath test in patients with inflammatory bowel diseases. IBOS was identified in 19 out of 46 patients with inflammatory bowel disease (41.3%).

Key words: intestinal microbiota, intestinal bacterial overgrowth syndrome, ulcerative colitis, Crohn’s disease, diagnosis, hydrogen breath test.

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