Women in LOVe: Lacto-Ovo-Vegetarian Diet Rich in Omega-3 Improves Vasomotor Symptoms in Postmenopausal Women. An Exploratory Randomized Controlled Trial

OBJECTIVES

In the postmenopausal period, most women suffer vasomotor symptoms (VMS). It is well-known that VMS can worsen the quality of life. Diet seems to play a relevant role in the development of VMS, but the effect of diet on VMS is mainly limited to observational studies, and analyses of nutritional supplements. The aim of this study was thus to determine the efficacy of a lactoovo- vegetarian (LOVe) diet rich in omega-3 fatty acids vs. a lacto-ovo-vegetarian diet rich in EVO (extra-virgin olive oil) in reducing VMS frequency in postmenopausal women.

METHODS

A two-arms (lacto-ovo-vegetarian diet with EVO vs. lacto-ovo-vegetarian diet rich in omega-3) randomized-controlled trial with a follow-up period of 16 weeks. We considered as primary outcome the change in the Kupperman index (follow-up vs. baseline evaluation, reported as delta, D) and in its subscales. Secondary outcomes included changes in common anthropometric and biohumoral measurements.

RESULTS

Among 54 women randomly assigned to a study group, 40 (mean age 55.1±5.4 years) completed the study and complied with their assigned diet. Women randomized to the omega-3 group (n=18) showed significant improvements, compared to the EVO group (n=22), in Kupperman index (Δ=-11.4±9.8 vs. -5.9±8.2; p=0.045), hot flashes (Δ=-3.3±3.4 vs. -1.3±2.6; p=0.04), and a marginally significant improvement in nervousness (Δ=-1.7±1.7 vs. -0.8±1.5; p=0.07). No significant differences were observed for the secondary outcomes. No relevant side effects were reported.

CONCLUSION

After 16 weeks, a lacto-ovo-vegetarian diet rich in omega-3 reduced VMS frequency in postmenopausal women more than the lacto-ovo-vegetarian diet rich in EVO.

Trends in adherence to the Mediterranean diet in South Italy: A cross sectional study

BACKGROUND AND AIMS

Increasing literature data show that adherence to the Mediterranean diet is undergoing profound changes in recent years, albeit with marked differences across nations. In Italy, one of the cradles of the Mediterranean diet, the literature regarding the trend for Mediterranean diet adherence is conflicting. Thus, we aimed to explore the trends of adherence to the Mediterranean diet in a large cohort of participants living in South Italy, over 20 years from 1985-86 to 2005-06.

METHODS AND RESULTS

Cross-sectional study with two evaluations, one made in 1985-86 and another in 2005-06; all participants were adults aged 30-70 years of age. The adherence to the Mediterranean diet was evaluated using the score proposed by Panagiotakos et al. This score features values ranging from 0 to 55, higher scores reflecting a greater adherence. The data are reported by age (30-49 vs. 50-69 years). Overall, 2451 subjects were included in 1985-86 and 2375 in 2005-06. A significant reduction was observed in the adherence to the Mediterranean diet (age 30-49 years: 31.82 ± 4.18 in 1985-86 vs. 29.20 ± 4.48 in 2005-06, reduction by 8.2%, p < 0.0001; age 50-69: 32.20 ± 4.09 in 1985-86 vs.30.15 ± 4.27 in 2005-06, reduction by 6.3%, p < 0.0001). Among all these items, the most dramatic change was observed for olive oil consumption, that decreased by 2.35 points in younger and 0.89 in older people.

CONCLUSION

The adherence to the Mediterranean diet decreased from 1985-86 to 2005-06 in South Italy, particularly in younger people, above all due to a decreased olive oil consumption.

Dietary inflammatory index and mortality: a cohort longitudinal study in a Mediterranean area

BACKGROUND

Higher Dietary Inflammatory Index (DII®) scores are associated with increased morbidity and mortality. However, little is known about the effects of DII on mortality in Mediterranean countries. Therefore, in the present study, we aimed to investigate the potential association between DII scores and overall, cancer and cardiovascular disease (CVD) mortality in people living in a Mediterranean area.

METHODS

DII scores were calculated using a validated food-frequency questionnaire. DII scores were then categorised into tertiles. Mortality was ascertained via death certificates. The association between DII scores with overall and cause-specific mortality was assessed via a multivariable Cox's regression analysis and reported as hazard ratios (HRs) with their 95% confidence intervals (CIs).

RESULTS

The study included 1565 participants (mean age 65.5 years; females 44.7%). After a median follow-up of 12 years (2005-2017), 366 (23.4%) participants died. After adjusting for 17 potential confounders, people with higher DII scores had an increased risk of death compared to those in the lowest (most anti-inflammatory) tertile (HR = 1.38; 95% CI = 1.04-1.82 for the second tertile; HR = 1.38; 95% CI = 1.03-1.86 for the third tertile). Each 1 SD increase in DII score increased the risk of death by 13%. No association was found between DII scores and cancer or CVD death when considered separately.

CONCLUSIONS

Higher DII scores were associated with a significantly higher mortality risk, whereas the association with cause-specific mortality was less clear. These findings highlight the potential importance of diet in modulating inflammation and preventing death.

Fatty liver and mortality: a cohort population study in South Italy

OBJECTIVE

Alcoholic fatty liver (AFLD) and non-alcoholic fatty liver (NAFLD) are two common conditions. However, if they can increase the risk of death is poorly explored. We therefore aimed to investigate the potential association between the presence and severity of liver steatosis and mortality in a large sample of older people.

DESIGN

Prospective.

SETTING

Community.

PARTICIPANTS

Women and men randomly sampled from the electoral rolls of the population of Castellana Grotte, a town in Southern Italy (Apulia region) between 2005 and 2006. Among 1942 initially contacted, 1708 (=87.9%) participated to the baseline survey (Multicentrica Colelitiasi III (MICOL III)). This specific study included 1445 older participants (mean age=65.2 years, females=44.2%).

EXPOSURE

NAFLD or AFLD.

PRIMARY AND SECONDARY OUTCOMES

Mortality (all-cause and specific-cause).

RESULTS

After a median of 12 years, 312 participants (=21.6%) died. After adjusting for nine potential confounders, the presence of steatosis was not associated with any increased risk of death in both NAFLD and AFLD. The severity of liver steatosis was not associated with any increased risk of mortality in NAFLD, while in AFLD, the presence of moderate steatosis significantly increased the risk of overall (HR=2.16; 95% CI 1.19 to 3.91) and cancer-specific (HR=3.54; 95% CI 1.16 to 10.87) death.

CONCLUSIONS

Liver steatosis is not associated with any increased risk of death in NAFLD, while moderate steatosis could be a risk factor for mortality (particularly due to cancer) in people affected by AFLD.

Menopause Does Not Affect Fatty Liver Severity In Women: A Population Study in a Mediterranean Area

BACKGROUND AND OBJECTIVE

Estrogens could protect the liver from fatty degeneration, but there is little information about whether menopause is associated with the severity of alcoholic (AFL) and non-alcoholic fatty liver (NAFL). Our aim was to evaluate the distribution of fatty liver detected by ultrasound in pre- and post-menopausal women and the factors associated with these conditions.

METHODS

In this cross-sectional study, the years from menopause were investigated through selfreported information. The degree of fatty liver was assessed through a standardized ultrasound examination (scores 0 to 6, higher values reflecting a greater severity). Liver steatosis was classified as NAFL or AFL based on a daily alcohol intake > 20g/d.

RESULTS

The study included 752 women in menopause and 535 in pre-menopause. The years from menopause were not associated with the severity of liver steatosis in NAFL (p for trend=0.74; Spearman correlation=0.04; 95%CI: -0.09 to 0.17), whereas all the indexes of adiposity and the number of metabolic syndrome factors were associated with a higher liver steatosis score. Taking AFL liver steatosis as the outcome, the years since menopause were not significantly associated with liver steatosis in AFL (p for trend=0.50; Spearman correlation=0.09; 95%CI: -0.17 to 0.34), whilst the association between anthropometric parameters and liver steatosis severity resulted stronger in postmenopausal compared to pre- menopausal women.

CONCLUSION

the higher prevalence of fatty liver observed in post-menopausal women is probably not due to menopause per se, but to the adiposity (particularly abdominal) typical of this age and its consequences (such as metabolic syndrome).

Coffee Intake and Liver Steatosis: A Population Study in a Mediterranean Area

Coffee drinking seems to have several beneficial effects on health outcomes. However, the effect on hepatic steatosis, depending on a high alcohol consumption (AFLD, alcoholic fatty liver disease) or on metabolic factors (non-alcoholic fatty liver disease, NAFLD), is still equivocal. Thus, we aimed to explore the potential association between coffee consumption and the presence and severity of hepatic steatosis in people with NAFLD or AFLD. In this cross-sectional study, coffee drinking was recorded using a semi-quantitative food frequency questionnaire, and categorized as yes vs. no and as 0, 1, 2, ≥3. The degree of fatty liver was assessed through a standardized ultrasound examination (score 0 to 6, with higher values reflecting higher severity). Liver steatosis was classified as NAFLD or AFLD on daily alcohol intake >30 g/day for men and >20 g/day for women. This study included 2819 middle-aged participants; the great majority were coffee drinkers (86.1%). After adjusting for 12 potential confounders, drinking coffee was not associated with decreased odds for NAFLD (n = 916) (odds ratio, OR = 0.93; 95% confidence intervals, CI: 0.72-1.20) or AFLD (n = 276) (OR = 1.20; 95% CI: 0.66-2.0). The consumption of coffee (categorized as yes vs. no), or an increased consumption of coffee were not associated with the presence of mild, moderate or severe liver steatosis in either NAFLD or AFLD. In conclusion, coffee intake was not associated with any lower odds of hepatic steatosis in either non-alcoholic or alcoholic forms in this large cohort of South Italian individuals.

Effect of a Low Glycemic Index Mediterranean Diet on Non-Alcoholic Fatty Liver Disease. A Randomized Controlled Clinici Trial

INTRODUCTION

Non-Alcoholic Fatty Liver Disease (NAFLD) is currently the most common form of liver disease worldwide affecting all ages and ethnic groups and it has become a consistent threat even in young people. Our aim was to estimate the effect of a Low Glycemic Index Mediterranean Diet (LGIMD) on the NAFLD score as measured by a Liver Ultrasonography (LUS).

DESIGN

NUTRIzione in EPAtologia (NUTRIEPA) is a population-based Double-Blind RCT. Data were collected in 2011 and analyzed in 2013-14.

SETTING/PARTICIPANTS

98 men and women coming from Putignano (Puglia, Southern Italy) were drawn from a previous randomly sampled population-based study and identified as having moderate or severe NAFLD.

INTERVENTION

The intervention strategy was the assignment of a LGIMD or a control diet.

OUTCOME MEASURES

The main outcome measure was NAFLD score, defined by LUS.

RESULTS

After randomization, 50 subjects were assigned to a LGIMD and 48 to a control diet. The study lasted six months and all participants were subject to monthly controls/checks. Adherence to the LGIMD as measured by Mediterranean Adequacy Index (MAI) showed a median of 10.1. A negative interaction between time and LGIMD on the NAFLD score (-4.14, 95% CI -6.78,-1.49) was observed, and became more evident at the sixth month (-4.43, 95%CI -7.15, -1.71). A positive effect of the interaction among LGIMD, time and age (Third month: 0.07, 95% CI 0.02, 0.12; Sixth month: 0.08, 95% CI 0.03,0.13) was also observed.

CONCLUSIONS

LGIMD was found to decrease the NAFLD score in a relatively short time. Encouraging those subjects who do not seek medical attention but still have NAFLD to follow a LGIMD and other life-style interventions, may reduce the degree of severity of the disease. Dietary intervention of this kind, could also form the cornerstone of primary prevention of Type 2 Diabetes Mellitus (T2DM) and cardiovascular disease.

Undernutrition, risk of malnutrition and obesity in gastroenterological patients: A multicenter study

AIM: To investigate the prevalence of undernutrition, risk of malnutrition and obesity in the Italian gastroenterological population.

METHODS: The Italian Hospital Gastroenterology Association conducted an observational, cross-sectional multicenter study. Weight, weight loss, and body mass index were evaluated. Undernutrition was defined as unintentional weight loss > 10% in the last three-six months. Values of Malnutrition Universal Screening Tool (MUST) > 2, NRS-2002 > 3, and Mini Nutritional Assessment (MNA) from 17 to 25 identified risk of malnutrition in outpatients, inpatients and elderly patients, respectively. A body mass index ≥ 30 indicated obesity. Gastrointestinal pathologies were categorized into acute, chronic and neoplastic diseases.

RESULTS: A total of 513 patients participated in the study. The prevalence of undernutrition was 4.6% in outpatients and 19.6% in inpatients. Moreover, undernutrition was present in 4.3% of the gastrointestinal patients with chronic disease, 11.0% of those with acute disease, and 17.6% of those with cancer. The risk of malnutrition increased progressively and significantly in chronic, acute and neoplastic gastrointestinal diseases in inpatients and the elderly population. Logistical regression analysis confirmed that cancer was a risk factor for undernutrition (OR = 2.7; 95%CI: 1.2-6.44, P = 0.02). Obesity and overweight were more frequent in outpatients.

CONCLUSION: More than 63% of outpatients and 80% of inpatients in gastroenterological centers suffered from significant changes in body composition and required specific nutritional competence and treatment.

Ultrasound evaluation and correlates of fatty liver disease: a population study in a Mediterranean area

BACKGROUND

The aim of this study was to evaluate the distribution of fatty liver-nonalcoholic (NAFL) and alcoholic (AFL)-and its association with metabolic syndrome and its components in a population sample from a Mediterranean area.

METHODS

A sample of 2974 subjects (1679 males, 1295 females, age range 30-89 years) was randomly drawn from the population of a town in southern Italy. The survey visit included a validated semiquantitative food frequency questionnaire, anthropometric measurements, a blood sample taken in the morning after overnight fasting, as well as abdominal ultrasound examination to evaluate liver fat with a standardized scoring system. The 2001 National Cholesterol Education Program Adult Treatment Panel III (NCEP ATP III) definition of the metabolic syndrome was adopted.

RESULTS

In this Mediterranean population, where alcohol intake is mostly as wine with meals, NAFL is present in 36.8% of men and 25.7% of women and AFL in 13.8% of men and 5.5% of women. NAFL and AFL are associated with metabolic syndrome and its characteristics, body mass index (BMI), and visceral and subcutaneous fat (in AFL subjects, only in women) measured by ultrasound. Stratifying by BMI and controlling for confounders (age, height, smoking habit, and alcohol consumption), in overweight and obese subjects, liver and visceral fat are associated with the metabolic syndrome both in men and women and subcutaneous fat only in women. In normal weight subjects, only liver fat in men is associated with the metabolic syndrome.

CONCLUSIONS

Fatty liver is highly prevalent in this Mediterranean population and is associated with metabolic syndrome in overweight and obese men and women as well as in men with normal BMI.

Diet and myocardial infarction: a nested case-control study in a cohort of elderly subjects in a Mediterranean area of southern Italy

BACKGROUND AND AIM

We evaluated the incidence of myocardial infarction (MI) in a population of Southern Italy and the relationship of dietary macronutrients with incident MI.

METHODS AND RESULTS

The ONCONUT cohort included 5632 subjects followed-up, over 50 years, recruited in 1992. At baseline, they completed a validated semi-quantitative food frequency questionnaire and gave details of their medical history. After 5years they were traced by their family physician, who found 108 incident MI. Ninety-seven of them and 194 controls, sampled from the noncases at baseline and paired for diabetes to the cases, entered this nested case-control study. MI rate per 1000 person-years was 9.6 in males and 3.7 in females. In non-diabetics, saturated fat were associated with MI directly (odds ratio (OR): tertile 2 vs. 1 = 2.32, tertile 3 vs. 1 = 2.82; chi-square for trend, p = 0.03) and polyunsaturated fats inversely (OR: tertile 2 vs. 1 = 0.80, tertile 3 vs. 1 = 0.37; chi-square for trend, p = 0.05), while in diabetics, starchy carbohydrates (OR: tertile 2 vs. 1 = 1.51, tertile 3 vs. 1 = 6.73; chi-square for trend, p = 0.01) and glycaemic index (OR: tertile 2 vs. 1 = 2.74, tertile 3 vs. 1 = 5.34; chi-square for trend, p = 0.01) were associated directly with MI.

CONCLUSIONS

MI incidence in this population was lower than that found in northern countries. In non-diabetics, saturated fats were associated directly and polyunsaturated fat inversely with MI; in diabetics, starchy carbohydrates and high-glycaemic-index foods were associated directly with MI.