Abstract
<p>In recent years, academic publishing excited a considerable interest in gut microbiota and its role in human health maintenance. In patients with chronic renal failure, gut microbiota is altered due to increased blood urea nitrogen and metabolic acidosis, specific diet and therapy, as well as prolonged intestinal transit time. Protein-fermenting bacteria such as E. coli, Bacteroides and Ruminicoccus spp dominate gut microbiota in patients with chronic renal failure. Therefore, the key nephroand cardiovascular toxins, such as indoxyl-sulfate (IS) and p-cresyl-sulfate (PCS) are produced in the gut mucosa. The important impact of increased serum levels of IS and PCS on cardiovascular comorbidity and further deterioration of renal function has been witnessed by numerous observational and animal studies. There are several therapeutic strategies for lowering serum levels of IS and PCS as well as their toxic effect. The use of synbiotics, preand probiotics, in order to modulate gut microbiota is the most optimal solution currently used. Probiotic cultures of Bifidobacter and Lactobacillus have presented themselves as the ones with the greatest potential to limit the growth of protein-fermenting bacteria responsible for the production of uremic toxins. Nevertheless, there is still a need for more well-designed prospective interventional studies, as well as for controls with well-defined diet restrictions, in order to establish definitive value of this kind of therapy in patients with chronic renal failure.</p>
Highlights
Poslednjih godina pažnja istraživačke javnosti usmerena je na crevnu mikrobiotu i njenu ulogu u održavanju ljudskog zdravlja
uremic toxins produced in intestines in patients
There is still a need for more well-designed prospective interventional studies, as well as for controls with well-defined diet restrictions, in order to establish definitive value of this kind of therapy in patients with chronic renal failure
Summary
Poslednjih godina pažnja istraživačke javnosti usmerena je na crevnu mikrobiotu i njenu ulogu u održavanju ljudskog zdravlja. Crevna mikrobiota bolesnika sa hroničnom insuficijencijom bubrega je izmenjena usled visoke uree i metaboličke acidoze, specifične dijete i terapije, kao i produženog vremena crevnog tranzita. Primena sinbiotika - prebiotika uz probiotske kulture u cilju modulacije crevnog mikrobioma, predstavlja aktuelno najoptimalnije rešenje. Definitivne zaključke o efikasnosti ove terapije kod bolesnika sa hroničnom insuficijencijom bubrega, potrebno je više prospektivnih randomizovanih studija slučajeva i kontrola sa jasno definisanom dijetom. Ovaj ekosistem naziva se mikrobiomom, i od ogromnog je značaja za normalno funkcionisanje ljudskog organizma, naročito našeg imunskog sistema. Poslednjih godina pažnja istraživačke javnosti naročito je usmerena na crevnu mikrofloru i njen značaj u održavanju zdravlja, odnosno ulogu u nastanku bolesti [1]. Terapijska izmena crevne flore predstavlja potencijalno moćno oružje u lečenju brojnih poremećaja različitih organskih sistema [1]
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