Use of probiotic
            <i>Lactobacillus</i>
            preparation to prevent diarrhoea associated with antibiotics: randomised double blind placebo controlled trial

Hickson, Mary; D'Souza, Aloysius L; Muthu, Nirmala; Rogers, Thomas R.; Want, S.; Rajkumar, Chakravarthi; Bulpitt, Christopher J.

doi:10.1136/bmj.39231.599815.55

Cited by 531 publications

(352 citation statements)

References 20 publications

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“…For instance, we learn from Siamon Gordon's account about Metchnikoff's interest and obsession with the gut flora and Metchnikoff's support for the use of lactobacilli. Probiotics are currently enjoying the limelight both from scientists and lay people, with new evidence from double-blind clinical trials supporting their usage for medicinal purposes [56]. Can we exploit the adaptive potential of macrophages to shape resistance to pathogens and degenerative diseases?…”

Section: From Phagocyte Biology To the Bedsidementioning

confidence: 99%

From phagocyte diversity and activation to probiotics: Back to Metchnikoff

Mantovani

2008

Eur J Immunol

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In this issue of the European Journal of Immunology, Siamon Gordon gives a detailed account of Metchnikoff's life and his achievements (Eur. J. Immunol. 2008. 38: 3257-3264). Looking back at the roots of innate immunity stimulates reflections on open issues in the field. Here, I give a personal view of some of these issues, including myeloid-derived suppressor cells, macrophage polarization and adaptive responses of mononuclear phagocytes. Key words: Macrophage activation Á Macrophages Á M1/M2 polarization Á Probiotics See accompanying article by Gordon IntroductionIn his scholarly review [1], Siamon Gordon tracks the roots of innate immunity to Elie Metchnikoff. The essay provides a fascinating insight into Metchnikoff's scientific life and how he tackled fundamental issues in science, some of which remain with us to this day. The perspective offered by a major player in the very same field of phagocytes and innate immunity [2,3] adds flavour and fascination to this article not necessarily present in other accounts [4]. Such a reflection on a central part of modern immunology stimulates consideration of remaining open issues and there follows a personal view of some of these.Phagocyte heterogeneity: From microphage-macrophage dichotomy to myeloid-derived suppressor cellsThe fundamental distinction between polymorphonuclear leukocytes (microphages) and mononuclear phagocytes (macrophages) was a major first step in the dissection of phagocyte heterogeneity and lineage differentiation. The identification of myeloid-derived suppressor cells (MDSC) [5][6][7] raises the questions whether the classic sharp distinction between the myeloid and the monocyte-macrophage differentiation and activation pathways is appropriate. In contrast to long-held views, neutrophils express specific transcriptional programmes in response to environmental signals [8]. MDSC include immature myeloid precursors that can further differentiate, and play a key role in the suppression of adaptive immunity in diverse pathological conditions ranging from cancer to chronic infections [5][6][7]. Are we dealing with a blurring of a classic distinction or with a well-defined third phagocyte population? Using current identification and separation criteria (e.g. Gr1, CD11b, F4/80) MDSC in the blood and lymphoid organs are a mixed population, which includes myeloid cells at different stages of differentiation and mononuclear phagocytes. Thus, the definition of MDSC remains an operational one rather than that of a cell type, a reality that is frequently neglected. The issue of lineage of the actual effectors of MDSC-mediated suppression is even more relevant when their recruitment and activation in non-lymphoid tissues is considered. For instance, do MDSC retain an immature phenotype in tumour tissues or do they differentiate into tumourassociated macrophages [9][10][11] [9,12,16,17], bacterial [43][44][45][46][47][48][49] and parasitic [50][51][52][53] infections. Evidence has also accumulated that polarized macrophages are more than mere spectators of i...

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Section: From Phagocyte Biology To the Bedsidementioning

confidence: 99%

From phagocyte diversity and activation to probiotics: Back to Metchnikoff

Mantovani

2008

Eur J Immunol

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“…Th e environment is an important source of nosocomial infections ( 182,183 ). Interventions to reduce environmental contamination by C. diffi cile have decreased the incidence of infection, including a hypochlorite-based solution in a bone marrow transplant unit and ammonium compound cleaning agent in another study ( 184 -186 ( 187 ), but the study had small numbers of patients, excluded patients receiving high-risk antibiotics, and had a high rate of CDI in the placebo-treated patients. Another study reported that capsules containing Lactobacillus acidophilus CL1285 and L. casei LBC80R were eff ective in preventing both AAD and CDI in 255 hospitalized patients ( 188 ).…”

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confidence: 99%

Guidelines for Diagnosis, Treatment, and Prevention of Clostridium difficile Infections

Surawicz

Brandt

Binion

et al. 2013

American Journal of Gastroenterology

1,477

1,408

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Clostridium diffi cile infection (CDI) is a leading cause of hospital-associated gastrointestinal illness and places a high burden on our health-care system. Patients with CDI typically have extended lengths-of-stay in hospitals, and CDI is a frequent cause of large hospital outbreaks of disease. This guideline provides recommendations for the diagnosis and management of patients with CDI as well as for the prevention and control of outbreaks while supplementing previously published guidelines. New molecular diagnostic stool tests will likely replace current enzyme immunoassay tests. We suggest treatment of patients be stratifi ed depending on whether they have mild-to-moderate, severe, or complicated disease. Therapy with metronidazole remains the choice for mildto-moderate disease but may not be adequate for patients with severe or complicated disease. We propose a classifi cation of disease severity to guide therapy that is useful for clinicians. We review current treatment options for patients with recurrent CDI and recommendations for the control and prevention of outbreaks of CDI. Am J Gastroenterol 2013; 108:478-498; doi: 10.1038/ajg.2013 12. In patients in whom oral antibiotics cannot reach a segment of the colon, such as with Hartman's pouch, ileostomy, or colon diversion, vancomycin therapy delivered via enema should be added to treatments above until the patient improves. (Conditional recommendation, low-quality evidence)13. The use of anti-peristaltic agents to control diarrhea from confi rmed or suspected CDI should be limited or avoided, as they may obscure symptoms and precipitate complicated disease. Use of anti-peristaltic agents in the setting of CDI must always be accompanied by medical therapy for CDI. (Strong recommendation, low-quality evidence) Management of severe and complicated CDI14. Supportive care should be delivered to all patients and includes intravenous fl uid resuscitation, electrolyte replacement, and pharmacological venous thromboembolism prophylaxis. Furthermore, in the absence of ileus or signifi cant abdominal distention, oral or enteral feeding should be continued. 17. Vancomycin delivered orally (500 mg four times per day) and per rectum (500 mg in a volume of 500 ml four times a day) plus intravenous metronidazole (500 mg three times a day) is the treatment of choice for patients with complicated CDI with ileus or toxic colon and / or signifi cant abdominal distention. (Strong recommendation, low-quality evidence)18. Surgical consult should be obtained in all patients with complicated CDI. Surgical therapy should be considered in patients with any one of the following attributed to CDI: hypotension requiring vasopressor therapy; clinical signs of sepsis and organ dysfunction (renal and pulmonary); mental status changes; white blood cell count ≥ 50,000 cells / μ l, lactate ≥ 5 mmol / l; or failure to improve on medical therapy after 5 days. (Strong recommendation, moderate-quality evidence) Management of recurrent CDI (RCDI)19. The fi rst recurrence of CDI can be treated ...

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“…396) in antibiotic-associated diarrhoea with S. boulardii and L. species in a meta-analysis of seven randomized controlled trials including 881 subjects. In a recent a randomized controlled trial on 135 hospitalized elderly subjects receiving antibiotic therapy, Hickson et al (17) reported a significant reduction of antibiotic-associated diarrhoea from 34 in the control group to 12 in the probiotic group (L. casei DN 114001) and, more strikingly, an absence of Clostridium difficile toxin in the stools of the probiotic group, while there were 17 positive samples in the control group. McFarland (18) confirmed, in a meta-analysis of six randomized controlled trials, a significant risk reduction (RR 0 .…”

Section: Demonstration Of the Impact Of Some Probiotics On The Defencmentioning

confidence: 99%

Probiotics: beneficial factors of the defence system

Antoine

2010

Proc. Nutr. Soc.

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Probiotics, defined as living micro-organisms that provide a health benefit to the host when ingested in adequate amounts, have been used traditionally as food components to help the body to recover from diarrhoea. They are commonly ingested as part of fermented foods, mostly in fresh fermented dairy products. They can interact with the host through different components of the gut defence systems. There is mounting clinical evidence that some probiotics, but not all, help the defence of the host as demonstrated by either a shorter duration of infections or a decrease in the host's susceptibility to pathogens. Different components of the gut barrier can be involved in the strengthening of the body's defences: the gut microbiota, the gut epithelial barrier and the immune system. Many studies have been conducted in normal free-living subjects or in subjects during common infections like the common cold and show that some probiotic-containing foods can improve the functioning of or strengthen the body's defence. Specific probiotic foods can be included in the usual balanced diet of consumers to help them to better cope with the daily challenges of their environment.

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Use of probiotic Lactobacillus preparation to prevent diarrhoea associated with antibiotics: randomised double blind placebo controlled trial

Abstract: (2007) Use of probiotic Lactobacillus preparation to prevent diarrhoea associated with antibiotics: randomised double blind placebo controlled trial. British Medical Journal, 335 (7610).

Cited by 531 publications

References 20 publications

From phagocyte diversity and activation to probiotics: Back to Metchnikoff

From phagocyte diversity and activation to probiotics: Back to Metchnikoff

Guidelines for Diagnosis, Treatment, and Prevention of Clostridium difficile Infections

Probiotics: beneficial factors of the defence system

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