Abstracts
Context
Constipation is a very common symptom in the general population. One way of non-pharmacological treatment of constipation is through the addition of probiotics to food.
Obectives
The aim of this study was to evaluate de effect of the consumption of a fresh cheese, enriched with Bifidobacterium lactis Bi-07 on the symptoms of constipated women.
Methods
A randomized controlled trial, carried out in the Basic Health Units of Guaporé's City – RS/Brazil, between january and may 2012, with 30 constipated women. The patients were randomized into two groups whom received, for 30 days, 30 g of fresh cheese enriched with Bifidobacterium lactis Bi-07 (n = 15) or regular fresh cheese (n = 15). Constipation symptoms were evaluated according to ROMA III Consensus, before and after the nutritional intervention. Also, data of clinical and anthropometric characteristics of the individuals were collected. Accepted level of significance 5% (P≤0,05).
Results
The medium age of the studied population was 37,5±14,4 years in the intervention group and 40,8±12,8 years in the control group. After 30 days we observed that the ingestion of fresh cheese enriched with Bifidobacterium lactis Bi-07 promoted benefic effects on the symptoms of strength to evacuate.
Conclusion
The consumption of 30g/day of a fresh cheese enriched with Bifidobacterium lactis Bi-07 has beneficial effects on constipation symptoms.
Constipation; Probiotics; Bifidobacterium ; Cheese
Contexto
A constipação intestinal é um sintoma bastante comum na população em geral. Uma das formas de tratamento não farmacológico da constipação é através da adição de probióticos aos alimentos.
Objetivos
O objetivo deste estudo foi avaliar o efeito do consumo de um queijo minas frescal, acrescido de Bifidobacterium lactis Bi-07 sobre os sintomas de mulheres constipadas.
Métodos
Trata-se de um ensaio clínico randomizado e controlado, desenvolvido nas Unidades Básicas de Saúde da cidade de Guaporé- RS/Brasil, durante o período de janeiro a maio de 2012, envolvendo 30 mulheres constipadas, randomizadas em dois grupos que receberam, por 30 dias, 30 g de queijo minas frescal acrescido de Bifidobacterium lactis Bi-07 (n = 15) ou queijo minas frescal, sem adição de probióticos (n = 15). Foram avaliados os sintomas de constipação de acordo com o Consenso de ROMA III antes e após a intervenção nutricional, além de características clínicas e antropométricas dos indivíduos.
Resultados
As mulheres tinham idade média de 37,5±14,4 anos no grupo intervenção e 40,8±12,8 anos no grupo controle. Após 30 dias, observou-se que a ingestão do queijo minas frescal acrescido de Bifidobacterium lactis Bi-07 promoveu efeitos benéficos nos sintomas de força ou esforço ao evacuar.
Conclusão
Este estudo sugere que a ingestão de 30 g de queijo minas frescal acrescido de Bifidobacterium lactis Bi-07 melhora os sintomas de constipação.
Constipação intestinal; Probióticos; Bifidobacterium ; Queijo
INTRODUCTION
Constipation, one of the most common digestive complaints in the general population, is not a disease in itself but a symptom present in many diseases(1818. Longstreth GF, Thompson WG, Chey WD, Houghton LA, Mearin F, Spiller RC. Functional bowel disorders. Gastroenterology. 2006;130:1480-91.). After the first publication of the Rome Criteria for functional gastrointestinal disorders, epidemiological studies on the topic have used the following criteria to define constipation: effort to evacuate, hard or lumpy stools, sensation of incomplete evacuation, sensation of anorectal blockage or obstruction, manual maneuvers to facilitate defecations, and fewer than three defecations per week(66. Collete VL, Araújo CL, Madruga SW. Prevalência e fatores associados à constipação intestinal: um estudo de base populacional em Pelotas, Rio Grande do Sul, Brasil, 2007. Cad Saúde Pública. 2010;26:1391-402. doi: 10.1590/S0102-311X2010000700018.
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1919. Mollen RM, Claassen AT, Kuijpers JH. The evaluation and treatment of functional constipation. Scand J Gastroenterol Suppl. 1997; 223:8-17.).
The prevalence of intestinal constipation is variable, and depends on the location and the diagnostic criteria used. In the USA, a prevalence between 2% to 27% has been reported(11. Adibi P, Behzad E, Pirzadeh S, Mohseni M. Bowel habit reference values and abnormalities in young Iranian healthy adults. Dig Dis Sci. 2007;52:1810-3.
77. Corazziari E. Definition and epidemiology of functional gastrointestinal disorders. Best Pract Res Clin Gastroenterol. 2004;18:613-31.
1414. Higgins PD, Johanson JF. Epidemiology of constipation in North America: a systematic review. Am J Gastroenterol. 2004;99:750-9.), whereas in countries from Europe and Oceania the prevalence ranges from 5% to 35%(2020. Peppas G, Alexiou VG, Mourtzoukou E, Falagas ME. Epidemiology of constipation in Europe and Oceania: a systematic review. BMC Gastroenterol. 2008;8:5.). It affects more women than men, with a ratio of 2.1:1, and non-whites more than whites (1.68:1)(1414. Higgins PD, Johanson JF. Epidemiology of constipation in North America: a systematic review. Am J Gastroenterol. 2004;99:750-9.). It can occur in all age groups, but is most common individuals older than 65 years and children under 4(33. Arce DA, Ermocilla CA, Costa H. Evaluation of constipation. Am Fam Physician. 2002;65:2283-90.
99. Dennison C, Prasad M, Lloyd A, Bhattacharyya SK, Dhawan R, Coyne K. The health-related quality of life and economic burden of constipation. Pharmacoeconomics. 2005;23:461-76.). Constipation can be an initial symptom of serious diseases such as colorectal cancer, which is the fourth most common cancer among men and the third among women in Brazil(66. Collete VL, Araújo CL, Madruga SW. Prevalência e fatores associados à constipação intestinal: um estudo de base populacional em Pelotas, Rio Grande do Sul, Brasil, 2007. Cad Saúde Pública. 2010;26:1391-402. doi: 10.1590/S0102-311X2010000700018.
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1515. Instituto Nacional de Câncer [Internet]. Incidência de câncer no Brasil, 2012. [cited 2012 Apr 23]. Available from:<http://www.inca.gov.br/estimativa/2012>.
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1616. Lewis SJ, Heaton KW. The metabolic consequences of slow colonic transit. Am J Gastroenterol. 1999;94:2010-16.).
Symptoms of constipation, such as infrequent bowel movements, hard stools, difficulty for evacuate, cramping, bloating, flatulence, and sometimes severe abdominal pain, can affect the quality of life of patients(2525. Tack J, Müller-Lissner S. Treatment of chronic constipation: current pharmacological approaches and future directions. Clin Gastroenterol Hepatol. 2009;7:502-8.). In most cases, the main risk factors are improper eating habits, sedentary lifestyle, socioeconomic status, psychological parameters, medicines, age and gender(2626. World Gastroenterology Organisation Practice Guidelines Constipation [Internet]. Constipação: uma perspectiva mundial, 2010. [cited 2012 Apr 25] Available from: <http://www.worldgastroenterology.org/assets/export/userfiles/constipation_pt.pdf>.
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). The nutritional management with inclusion of probiotics in the diet represents an interesting non-pharmacological alternative for reducing the symptoms of constipation(1212. Gotteland M, Vizcarra M, Maury E. Efecto de un product lácteo con probióticos e prebióticos sobre La funcion digestiva de sujetos sanos y constipados. Rev Chil Nutr. 2010;37:340-51. doi: 10.4067/S0717-75182010000300009.
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). Probiotics are live bacteria, mainly bifidobacteria and lactobacilli, which are incorporated into food and, after ingestion, survive in the digestive tract of the host where they regulate the intestinal microbiota and have beneficial health effects(44. Cáceres P, Gotteland M. Alimentos probióticos en Chile: ¿Qué cepas y que propiedades saludables? Rev Chil Nutr. 2010;37:97-109. doi: 10.4067/S0717-75182010000100010.
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). The most commonly used species include Lactobacillus, Bifidobacterium and some species of Streptococcus, E. coli and yeast Saccharomyces cerevisiae (boulardi)(55. Cisternas CD. El uso de probióticos en el síndrome de intestino irritable y constipación. Acta Gastroenterol Latinoam. 2010;21:257-9.).
Constipation may be caused by intestinal dysbiosis, which is defined as an imbalance in the intestinal microbiota that has harmful effects on the integrity of the intestinal epithelium. It is characterized by an imbalance among the colonies of bacteria, with a prevalence of pathogenic bacteria(22. Amenta M, Cascio MT, Di Fiore, P, Venturini I. Diet and chronic constipation. Benefits of oral supplementation with symbiotic zir fos (Bifidobacterium longum W11 + FOS Actilight). Acta Biomed. 2006;77:157-62.). Picard et al.(2222. Picard C, Fioramonti J, Francois A, Robinson T, Neant F, Matuchansky C: Review article: bifidobacteria as probiotic agents – physiological effects and clinical benefits. Aliment Pharmacol Ther. 2005;22:495-512.) and Szajewska et al.(2424. Szajewska H, Setty M, Mrukowicz J, Guandalini S. Probiotics in gastrointestinal diseases in children: hard and not-so-hard evidence of efficacy. J Pediatr Gastroenterol Nutr. 2006;42:454-75.) suggest that there is a dysbiosis of the intestinal flora in patients with constipation, which could be improved by consumption of probiotics. In addition, bifidobacteria may lower the pH of the colon, producing lactic acid, acetic acid, and others. A lower pH tends to increase colonic peristalsis and, in consequence, decrease colonic transit time, with a beneficial effect in the treatment of constipation symptoms.
Based on these considerations, the objective of this study was to evaluate the effect of consumption of Minas Frescal cheese, along with Bifidobacterium lactis Bi-07, on the constipation symptoms in women.
METHODS
This randomized controlled trial was conducted in Basic Health Units (BHU) of the city of Guaporé-RS/Brasil, between January and May 2012. Adult (≥20 and <60 years old), constipated women were included in the study. Women who (1) reported not eating cheese, due to taste preferences or food intolerance/allergy; (2) did not meet the criteria for constipation according to the ROME III Consensus(66. Collete VL, Araújo CL, Madruga SW. Prevalência e fatores associados à constipação intestinal: um estudo de base populacional em Pelotas, Rio Grande do Sul, Brasil, 2007. Cad Saúde Pública. 2010;26:1391-402. doi: 10.1590/S0102-311X2010000700018.
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1919. Mollen RM, Claassen AT, Kuijpers JH. The evaluation and treatment of functional constipation. Scand J Gastroenterol Suppl. 1997; 223:8-17.); and (3) were pregnant, were excluded. All participants were invited to participate in the study through Community Health Agents, during routine monthly visits. The participants were oriented to answer questions about the normal bowel habit, i.e. without the use of laxatives, teas or foods with probiotics.
The study was approved by the Research Ethics Committee of the Univates University Center, under protocol number 033/11, and all participants signed an informed consent form. This study was also approved in Clinical Trials, under protocol NCT01680432. At the beginning of the study, questionnaires were applied to characterize the sample and Rome III, which was applied before and after the intervention. In addition, the participants were nutritionally evaluated.
For characterization of the sample, lifestyle was assessed through the collection of data on gender, age, water and alcohol intake, physical activity, smoking, diagnosed pathologies and drugs used. Data were collected with use of an structured questionnaire, with closed and open questions.
For nutritional evaluation, weight and height were assessed and a 24-hour recalls were obtained. Weight measurement was performed with a portable digital scale (Plenna®), with a precision of 0.1 kg and capacity of up to 150 kg. Height was determined with a vertical Sanny® stadiometer, with variation in centimeters, with the individuals standing barefoot, with feet together, no hair accessories(2121. Physical status: the use and interpretation of anthropometry. Report of a WHO Expert Committee. World Health Organ Tech Rep Ser. 1995;854:1-452.). Weight and height were used to calculate the body mass index (BMI), and participants were classified according to cut-off points established by the World Health Organization (1997): underweight (BMI <18.5 kg/m2), eutrophy (BMI 18.5 - 24.9 kg/m2), overweight (BMI 25.0 - 29.9 kg/m2), grade I obesity (BMI 30 - 34.9 kg/m2), grade II obesity (BMI 35 - 39.9 kg/m2) and grade III obesity (BMI ≥40 kg/m2)(2121. Physical status: the use and interpretation of anthropometry. Report of a WHO Expert Committee. World Health Organ Tech Rep Ser. 1995;854:1-452.).
Anthropometric data were collected by a researcher at the Community Hall of the Bom Jesus neighborhood and in the meeting room of the Family Health Strategy Social Centre, during the monthly meeting of nutritional education groups. The nutritional assessment and questionnaire were applied at home for individuals who could not attend the meeting, by the investigator. The 24-h recall data were used for calculation of energy value, carbohydrate, protein, lipids, fiber, total cholesterol, calcium, and iron. The software DietWin Professional 2.0® for evaluation and nutritional prescription was used for this calculation.
Thirty women with constipation were investigated. Constipation was defined according to the Rome III(1919. Mollen RM, Claassen AT, Kuijpers JH. The evaluation and treatment of functional constipation. Scand J Gastroenterol Suppl. 1997; 223:8-17.) criteria, based on six criteria: (1) effort to evacuate, (2) hard or lumpy stools, (3) sensation of incomplete evacuation, (4) sensation of anorectal blockage or obstruction, (5) manual maneuvers to facilitate defecation and (6) fewer than three bowel movements per week. The presence of constipation was defined by the occurrence of two or more of these criteria, in at least 25% of the evacuations during the past 6 months (Table 1)(66. Collete VL, Araújo CL, Madruga SW. Prevalência e fatores associados à constipação intestinal: um estudo de base populacional em Pelotas, Rio Grande do Sul, Brasil, 2007. Cad Saúde Pública. 2010;26:1391-402. doi: 10.1590/S0102-311X2010000700018.
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1818. Longstreth GF, Thompson WG, Chey WD, Houghton LA, Mearin F, Spiller RC. Functional bowel disorders. Gastroenterology. 2006;130:1480-91.). The Rome Consensus for functional gastrointestinal disorders was developed to standardize the definition of constipation in epidemiological studies, as well as for the diagnosis in clinical practice(66. Collete VL, Araújo CL, Madruga SW. Prevalência e fatores associados à constipação intestinal: um estudo de base populacional em Pelotas, Rio Grande do Sul, Brasil, 2007. Cad Saúde Pública. 2010;26:1391-402. doi: 10.1590/S0102-311X2010000700018.
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). Furthermore, the American Gastroenterological Association guidelines recommend the Rome III criteria(1818. Longstreth GF, Thompson WG, Chey WD, Houghton LA, Mearin F, Spiller RC. Functional bowel disorders. Gastroenterology. 2006;130:1480-91.).
For this study, the participants were randomized into one intervention and one control group, both with 15 participants. The intervention group received Minas Frescal cheese plus Bifidobacterium lactis Bi-07, with 1088. De Paula JA, Camuega E, Weill R. Effect of the ingestion of a symbiotic yogurt on the bowel habits of women with functional constipation. Acta Gastroenterol Latinoam. 2008;38:16-25. colony-forming units per serving. Participants in the control group received Minas Frescal cheese without the addition of probiotics. The cheese was donated by a dairy industry, and was received in its commercial packaging. Since cheese is a highly perishable food, it was kept in its original packaging to minimize the risk of deterioration, so a blind study was not possible.
Nutritional intervention was performed between April and May 2012. Cheese was home delivered to all participants, on the same day and time. In order not to exceed the validity period of 35 days for the product in unopened packaging, it was delivered in two stages, with an interval of 15 days. The cheese was transported in thermal boxes, covered with ice cubes to keep temperature at 1°C to 8°C, as determined by the manufacturer.
The two groups were instructed to consume one daily 30 g serving of cheese for 30 days, preferably at breakfast. Participants were also oriented on the conservation of the cheese, which should be consumed within 5 days after opening of the package, which was the expiration date established by the manufacturer. To determine the size of the portion, participants were shown photographs and cheese portions with the appropriate weight.
Participants were instructed about the probiotic properties and ways of consumption of cheese before the start of the distribution. The cheese with probiotics should not be heated, or the probiotic properties would be lost; in addition, it could be consumed in sandwich or salad forms. During the study, all participants were directed to keep their normal eating habits, physical activity and fluid intake, and not make use of other probiotic products.
After the intervention period, the ROME III questionnaire that had assessed the constipation symptoms at baseline was applied again for evaluation of any improvement of symptoms in the month during which the nutritional intervention occurred.
For statistical analysis, quantitative variables were described as mean and standard deviation or median and interquartile amplitude. Categorical variables were described as absolute and relative frequencies. The Student's t test for independent samples was used for comparison of means among groups. In the case of asymmetry, the Mann-Whitney test was used. For comparison of proportions, the Pearson's Chi-square test or Fisher exact test were applied. The Wilcoxon test was used to evaluate the Rome III questionnaire before and after the intervention. Statistical analyses were performed with the software SPSS (Statistical Package for the Social Sciences) version 17.0. For all tests, the level of statistical significance of 95% (P≤0.05) was adopted.
RESULTS
As shown in Table 2, the sample was composed entirely by women and age, weight, height and BMI were similar in the groups. According to the BMI classification, the intervention group had a prevalence of 66.7% (n = 10) overweight, followed by 20% (n = 3) eutrophy and 13.3% (n = 2) grade I obesity. In the control group, the distribution was 40% (n = 6) eutrophy, 26.7% (n = 4) overweight, 20% (n = 3) grade I obesity, 6.7% (n = 1) grade II thinness and 6.7% (n = 1) grade III obesity. The prevalence of associated diseases were 20% (n = 6) for depression, 20% (n = 6) for hypercholesterolemia and 13,3% (n = 4) for hypertension, and no statistically significant differences were observed between the groups (P = 0.651, P = 1.000 and P = 1.000, respectively). The frequency of non-smokers was similar in the two groups (93.3%, n = 28 in the total sample), whereas the frequency of participants who reported drinking alcohol often was 20% (n = 3) in the intervention group and 26.7% (n = 4) in the control group.
In both groups, 46.6% (n = 7) of the participants reported using medicines and teas with laxative effect (P = 0.497). The use of drugs, especially antidepressants, was also investigated, due to its causal relationship with symptoms of constipation. The results showed that 26.7% (n = 4) of the participants in the intervention group, and 13.3% (n = 2) in the control group, made use of antidepressants.
No association between the use of drugs and constipation was observed in the intervention group after intervention (P = 1.000). However, in the control group, patients on medication had significantly higher ratio of constipation after the treatment than participants who did not use these medicines (P = 0.041).
No statistically significant differences were observed between the intervention and control group in food consumption (Table 3). Results on the development of symptoms of constipation before and after intervention are presented in Table 4.
After 30 days treatment, a positive effect in five of the six criteria assessed in the evaluation of Rome III criteria was observed in the intervention group. The control group showed improvements in three of these criteria. Although the symptoms of constipation improved in both groups, in the intervention group this improvement was significantly higher (P<0.001).
DISCUSSION
This study evaluated the effect of consumption of Minas Frescal cheese, along with Bifidobacterium lactis Bi-07, on the symptoms of constipation, as well as the nutritional status and food consumption of the participants. The results showed that daily consumption of this cheese has positive effects on symptoms of constipation. A prevalence of overweight in the intervention group and eutrophy in the control group were observed, and both groups had similar results in the analysis of food consumption.
The use of drugs with laxative action, which is causally associated with intestinal dysbiosis, was reported by the participants, but did not influence the results in the present work. Different results have been reported in similar studies. In the investigation of the prevalence and factors associated with intestinal constipation, Collete et al.(66. Collete VL, Araújo CL, Madruga SW. Prevalência e fatores associados à constipação intestinal: um estudo de base populacional em Pelotas, Rio Grande do Sul, Brasil, 2007. Cad Saúde Pública. 2010;26:1391-402. doi: 10.1590/S0102-311X2010000700018.
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) found a prevalence of 22.4% of the use of laxatives in the sample, which was two times higher among women than among men (47.0% vs 21.6%, respectively). In a study to evaluate the benefits of oral supplementation with a symbiotic product(22. Amenta M, Cascio MT, Di Fiore, P, Venturini I. Diet and chronic constipation. Benefits of oral supplementation with symbiotic zir fos (Bifidobacterium longum W11 + FOS Actilight). Acta Biomed. 2006;77:157-62.), the use of laxative was observed among 68.3% of patients with chronic constipation undergoing a weight loss diet. After 20 days of therapy, 110 patients used laxatives and in 78.4% of them (n = 91) the constipation worsened. In the second period analyzed (40 days of treatment), 153 patients had used laxatives and a worsening of constipation was observed in 134 of them (87.6%). In the third period (60 days), constipation worsened in 9.3% of all patients. Similar results were not observed in the present work, since the duration of the study was relatively shorter. Therefore the ingestion of probiotics has a role in the modulation of the intestinal microbiota composition that was affected, and also in the prevention of the pathogenic bacterial growth, correcting the dysbiosis and restoring bowel health(1111. Gerritsen J, Rijkers GT, Vos WM. Intestinal microbiota in human health and disease: the impact of probiotics. Genes Nutr. 2011;6:209-40.).
As observed for the characterization of the sample, the food consumption was also statistically similar between the intervention and control groups. Dietary factors, such as a low-fiber diet and low caloric intake, are associated with intestinal constipation(66. Collete VL, Araújo CL, Madruga SW. Prevalência e fatores associados à constipação intestinal: um estudo de base populacional em Pelotas, Rio Grande do Sul, Brasil, 2007. Cad Saúde Pública. 2010;26:1391-402. doi: 10.1590/S0102-311X2010000700018.
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). Usually, adequate fiber consumption is associated with improvement of symptoms in functional constipation, and is the first measure recommended in the nutritional management of this condition(1010. Foxx-Orestein AE, McNally MA, Odunsi ST. Update on constipation: one treatment does not fit all. Cleve Clin J Med. 2008;75:813-24.). In the present study, a higher fiber consumption was observed in the control group than in the intervention group, but even so, the improvement in the symptoms of constipation was higher in the intervention group. In both groups, there was a low intake of insoluble fibers, which is often associated with constipation. Román et al.(2323. Román JL, Gonzálvez ABM, Luque A, Minãno JAP, Acosta AV, Iglesias JR, Hernández M, Villegas JA. Efecto de la ingesta de un preparado lácteo con fibra dietética sobre El estreñimiento crónico primario idiopático. Nutr Hosp. 2008;23:12-9.) evaluated the effect of the ingestion for 20 days of a dairy product prepared with 20 g of dietary fiber, and described a significant improvement in the six symptoms of Rome III criteria in the treated group. According to the 24-h recall, there was a greater caloric intake in the control group, though this result was not statistically significant. However, different results were observed in the study of Yang et al.(2727. Yang YX, He M, Hu G, Wei J, Pages P, Yang XH, Bourdu-Naturel S. Effect of a fermented milk containing Bifidobacterium lactis DN-173010 on Chinese constipated women. World J Gastroenterol. 2008;14:6237-43.), who accompanied the total daily intake of the sample during the intervention with a fermented milk containing Bifidobacterium lactis DN-173010. Throughout the period observed, the control group showed a total caloric intake smaller than the test group.
In this study, consumption of a Minas Frescal cheese plus Bifidobacterium lactis Bi-07 improved the frequency of bowel movements and consistency of stools, as well as the conditions of defecation, in constipated patients. In the evaluation of the effect of a fermented milk containing Bifidobacterium lactis DN-173010 on constipated Chinese women(2727. Yang YX, He M, Hu G, Wei J, Pages P, Yang XH, Bourdu-Naturel S. Effect of a fermented milk containing Bifidobacterium lactis DN-173010 on Chinese constipated women. World J Gastroenterol. 2008;14:6237-43.), Yang et al. observed a significant increase in the frequency of evacuations after one and two weeks of treatment (40% and 58%, respectively). In addition, the score of defecation was also improved after one week (1.1±0.9 vs 1.9±1.2) and 2 weeks (0.8±1.0 vs 1.9±1.2) of product consumption, as well as the consistency of the stools after one week (1.0±0.8 vs 1.5±1.1) and two weeks (0.6±0.8 vs 1.5±1.1) of treatment, respectively.
A beneficial effect was also observed in the perception of strength or effort to evacuate, in the sensation of incomplete evacuation and in the sensation of anorectal blockage. A study that evaluated the effect of the ingestion of a symbiotic yogurt on bowel habits in women with functional constipation(88. De Paula JA, Camuega E, Weill R. Effect of the ingestion of a symbiotic yogurt on the bowel habits of women with functional constipation. Acta Gastroenterol Latinoam. 2008;38:16-25.) reported a significant increase in the frequency of evacuation, changes in the appearance of feces (with improvement in the Bristol scale), and significant reduction in the perception of strength and pain associated with defecation. According to the authors, the reduction in the sensation of pain and strength to evacuate represents the most important results, because they imply a significant reduction in the perception of unpleasant sensations.
Normal bowel habits, with no feelings of pain and control over bowel movements are important elements for the physical welfare(2727. Yang YX, He M, Hu G, Wei J, Pages P, Yang XH, Bourdu-Naturel S. Effect of a fermented milk containing Bifidobacterium lactis DN-173010 on Chinese constipated women. World J Gastroenterol. 2008;14:6237-43.). Guyonnet et al.(1313. Guyonnet D, Chassany O, Ducrotte P, Picard C, Mouret M, Mercier CH, Matuchansky C. Effect of a fermented milk containing Bifidobacterium animalis DN-173 010 on the health-related quality of life and symptoms in irritable bowel syndrome in aduts in primary care: a multicentre, randomized, double-blind, controlled trial. Aliment Pharmacol Ther. 2007;26:475-86.) reported that daily consumption of fermented milk containing B. lactis DN-173010 improved the quality of life and symptoms in individuals with irritable bowel syndrome, compared to placebo. These results support the hypothesis of a relationship between increased frequency of bowel movements, bowel transit time, quality of life and fermented milk containing B. lactis DN-173010.
One of the limitations of the present study is its controlled and opened design, which resulted in the knowledge, by both researchers and participants, of the interventions. The fact that the participants knew they were taking a probiotic product, which has a regulatory effect on intestinal function, may have influenced the results observed in this study, although randomization of the sample may have minimized this bias. The lack of studies with the same sample characterization, similarly evaluating dietary habits and anthropometric and clinical conditions of the population, and with the same selection criteria, based on Rome III criteria, also influenced negatively in the discussion of the study, since the diagnostic criteria of similar studies is variable.
The results of this study demonstrate that regular ingestion of a cheese plus probiotic microorganisms (Bifidobacterium lactis Bi-07) provides beneficial effects on symptoms of constipation, therefore becoming an alternative non-pharmacological management of these symptoms.
ACKNOWLEDGMENTS
We are thankful to the communitarian agents of health, nutritionist Luciane Messa Urrutigaray and participants of the study.
REFERENCES
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1Adibi P, Behzad E, Pirzadeh S, Mohseni M. Bowel habit reference values and abnormalities in young Iranian healthy adults. Dig Dis Sci. 2007;52:1810-3.
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2Amenta M, Cascio MT, Di Fiore, P, Venturini I. Diet and chronic constipation. Benefits of oral supplementation with symbiotic zir fos (Bifidobacterium longum W11 + FOS Actilight). Acta Biomed. 2006;77:157-62.
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3Arce DA, Ermocilla CA, Costa H. Evaluation of constipation. Am Fam Physician. 2002;65:2283-90.
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4Cáceres P, Gotteland M. Alimentos probióticos en Chile: ¿Qué cepas y que propiedades saludables? Rev Chil Nutr. 2010;37:97-109. doi: 10.4067/S0717-75182010000100010.
» https://doi.org/10.4067/S0717-75182010000100010 -
5Cisternas CD. El uso de probióticos en el síndrome de intestino irritable y constipación. Acta Gastroenterol Latinoam. 2010;21:257-9.
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6Collete VL, Araújo CL, Madruga SW. Prevalência e fatores associados à constipação intestinal: um estudo de base populacional em Pelotas, Rio Grande do Sul, Brasil, 2007. Cad Saúde Pública. 2010;26:1391-402. doi: 10.1590/S0102-311X2010000700018.
» https://doi.org/10.1590/S0102-311X2010000700018 -
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Reserch performed at: Departamento de Nutrição, Centro Universitário Univates.
Publication Dates
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Publication in this collection
July-Sept 2013
History
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Received
25 Apr 2013 -
Accepted
15 May 2013