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1.
Pulmonology ; 2023 May 19.
Article in English | MEDLINE | ID: mdl-37211526

ABSTRACT

OBJECTIVE: to synthesize the Italian epidemiological contribution to knowledge on indoor pollution respiratory impact, and to analyze the perspective of some GARD countries on the health effects of indoor air pollution. RESULTS: Italian epidemiological analytical studies confirmed a strong relationship between indoor air pollution and health in general population. Environmental tobacco smoke, biomass (wood/coal) fuel for cooking/heating and indoor allergens (house dust mites, cat and dog dander, mold/damp) are the most relevant indoor pollution sources and are related to respiratory and allergic symptoms/diseases in Italy and in other GARD countries such as Mexico, Brazil, Vietnam, India, Nepal and Kyrgyzstan. Community-based global health collaborations are working to improve prevention, diagnosis and care of respiratory diseases around the world, specially in low- and middle-income countries, through research and education. CONCLUSIONS: in the last thirty years, the scientific evidence produced on respiratory health effects of indoor air pollution has been extensive, but the necessity to empower the synergies between scientific community and local administrations remains a challenge to address in order to implement effective interventions. Based on abundant evidence of indoor pollution health effect, WHO, scientific societies, patient organizations and other members of the health community should work together to pursue the GARD vision of "a world where all people breathe freely" and encourage policy makers to increase their engagement in advocacy for clean air.

2.
Poult Sci ; 98(11): 5932-5939, 2019 Nov 01.
Article in English | MEDLINE | ID: mdl-31265111

ABSTRACT

This study evaluated the efficacy of slightly acidic electrolyzed water (SAEW) for the inactivation of Salmonella Enteritidis and Escherichia coli on shelled eggs as well as studied the shelf life and internal quality attributes (i.e., weight loss, Haugh unit, yolk index, albumen pH, and yolk pH) of eggs during storage at 25°C. The decontamination test egg samples (freshly laid) were inoculated and immersed for 1, 2, 3, and 4 min in each treatment (i.e., SAEW, acidic electrolyzed water, NaClO solution, and sterile deionized water) at available chlorine concentrations (ACCs) of 10, 18 and 26 mg/L. The storage test eggs (freshly laid) were immersed for 3 min in 4 treatments (i.e., SAEW, acidic electrolyzed water, NaClO solution, and no treatment) and stored for 30 D at 25°C. The effects of the SAEW on microbiological qualities and freshness parameters were investigated. Decontamination of eggs with SAEW showed an equivalent or higher bactericidal effect compared to other treatments. A complete inactivation of S. Enteritidis and E. coli on the surface of shelled egg samples resulted from treatment with SAEW at an ACC of 26 mg/L for 3 and 4 min, respectively. Almost all of the egg quality parameters investigated in the present study were significantly (P < 0.05) affected by the storage time. As storage time increased, the yolk index and Haugh unit value decreased, and weight loss, albumen pH, and yolk pH increased. However, SAEW treatment minimized weight loss (5.52%) and preserved the albumen and yolk quality better than no treatment at 25°C. Relative to acidic electrolyzed water and NaClO solution, the advantages of SAEW are reduced corrosion of egg surfaces and potentially less water and CO2 escaping from eggshell pores. The results highlight the promising use of SAEW to enhance the microbial safety and to extend the shelf life of shelled eggs. Future combined methods with SAEW and other treatments are also needed.


Subject(s)
Disinfectants/pharmacology , Eggs/microbiology , Escherichia coli/drug effects , Ovum/chemistry , Salmonella enteritidis/drug effects , Water/pharmacology , Electrolysis , Hydrogen-Ion Concentration , Ovum/drug effects , Water/chemistry
3.
Int J Tuberc Lung Dis ; 22(7): 820-826, 2018 07 01.
Article in English | MEDLINE | ID: mdl-29914609

ABSTRACT

BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a heterogeneous condition that can differ in its clinical manifestation, structural changes and response to treatment. OBJECTIVE: To identify subgroups of COPD with distinct phenotypes, evaluate the distribution of phenotypes in four related regions and calculate the 1-year change in lung function and quality of life according to subgroup. METHODS: Using clinical characteristics, we performed factor analysis and hierarchical cluster analysis in a cohort of 1676 COPD patients from 13 Asian cities. We compared the 1-year change in forced expiratory volume in one second (FEV1), modified Medical Research Council dyspnoea scale score, St George's Respiratory Questionnaire (SGRQ) score and exacerbations according to subgroup derived from cluster analysis. RESULTS: Factor analysis revealed that body mass index, Charlson comorbidity index, SGRQ total score and FEV1 were principal factors. Using these four factors, cluster analysis identified three distinct subgroups with differing disease severity and symptoms. Among the three subgroups, patients in subgroup 2 (severe disease and more symptoms) had the most frequent exacerbations, most rapid FEV1 decline and greatest decline in SGRQ total score. CONCLUSION: Three subgroups with differing severities and symptoms were identified in Asian COPD subjects.


Subject(s)
Dyspnea/epidemiology , Pulmonary Disease, Chronic Obstructive/epidemiology , Quality of Life , Aged , Asia/epidemiology , Cities , Cluster Analysis , Cohort Studies , Dyspnea/etiology , Factor Analysis, Statistical , Female , Follow-Up Studies , Forced Expiratory Volume , Humans , Male , Middle Aged , Phenotype , Pulmonary Disease, Chronic Obstructive/physiopathology , Risk Factors , Severity of Illness Index , Surveys and Questionnaires
4.
J Hum Nutr Diet ; 30(1): 83-89, 2017 02.
Article in English | MEDLINE | ID: mdl-27460166

ABSTRACT

BACKGROUND: Nutritional screening and assessment is not currently part of routine clinical practice in Vietnam. Therefore, the present study aimed to investigate the utility of the commonly used methods for identifying malnutrition in outpatients with chronic obstructive pulmonary disease (COPD). METHODS: A cross-sectional pilot study and a larger retrospective study were carried out in outpatients with COPD who were attending a respiratory clinic in Ho Chi Minh City, Vietnam. Routine clinical data were collected [body mass index (BMI), forced expiratory volume in 1 s (FEV1 )]. Nutritional screening and assessment were performed using the Malnutrition Screening Tool (MST) and Subjective Global Assessment (SGA) as the gold standard to diagnose malnutrition. RESULTS: In total, 393 outpatients had documented BMI and 29 were prospectively assessed using SGA: males, n = 25; females, n = 4; mean (SD) age 69.7 (9.6) years; mean (SD) BMI 21.0 (3.4) kg m-2 ; mean (SD) FEV1 percentage predicted 57.0% (19.7%). Malnutrition risk was identified in 20.7% (n = 6) of patients using the MST (38% sensitivity; 94% specificity). However, 45% (n = 13) were diagnosed as malnourished using the SGA (31% mild/moderate; 14% severe). All malnourished patients not identified by the MST had evidence of muscle wasting. BMI had a strong negative correlation with muscle wasting as assessed using the SGA (r = -0.857, n = 28; P < 0.001) and all malnourished patients had a BMI <21 kg m-2 (range 14.6-20.8 kg m-2 , nourished range 20.0-27.6 kg m-2 ). CONCLUSIONS: Malnutrition is common in Vietnamese outpatients with COPD. A BMI threshold of <21 kg m-2 appears to represent a useful and pragmatic cut-off point for identifying outpatients requiring comprehensive nutritional assessment and support.


Subject(s)
Asian People , Malnutrition/epidemiology , Nutritional Status , Outpatients , Pulmonary Disease, Chronic Obstructive/epidemiology , Aged , Body Mass Index , Cross-Sectional Studies , Female , Humans , Male , Malnutrition/diagnosis , Mass Screening , Middle Aged , Nutrition Assessment , Pilot Projects , Prevalence , Prospective Studies , Retrospective Studies , Risk Factors , Sensitivity and Specificity , Vietnam , Wasting Syndrome/diagnosis , Wasting Syndrome/epidemiology
5.
Public Health Action ; 2(4): 181-5, 2012 Dec 21.
Article in English | MEDLINE | ID: mdl-26392981

ABSTRACT

SETTING: The Global Initiative for Asthma (GINA) guidelines have not been implemented effectively in primary care settings in Viet Nam. OBJECTIVES: To estimate the proportion of patients with controlled asthma and the direct health care costs of managing asthma according to GINA guidelines at four out-patient clinics in Ho Chi Minh City (HCMC), Viet Nam. METHODS: One hundred and six patients with asthma were treated and followed up according to GINA guidelines for 12 months. Clinical and pulmonary function responses and direct health care costs were evaluated every 3 months during the study. RESULTS: The proportion of patients with controlled asthma rose from 1.0% at the start of the study to 36.8% by the end of the study (P < 0.0001). The proportion of patients who had at least one hospitalisation per year decreased significantly, from 32.1% to 5.7% (P < 0.0001). The annual per patient median direct health care cost was US$169. Using asthma controllers continuously gave better asthma control than using them intermittently (OR 12.9, 95%CI 4.7-35.7). CONCLUSIONS: The implementation of GINA guidelines at out-patient clinics in HCMC, Viet Nam, improved asthma control with modest direct health care costs.

6.
J Anim Sci ; 87(5): 1569-75, 2009 May.
Article in English | MEDLINE | ID: mdl-19151150

ABSTRACT

To detect QTL for leg weakness and its related traits in pigs, a total of 1,484 F(2) pigs were recorded for leg (at 76 and 213 d) and gait scores (at 153 and 223 d) in a White Duroc x Erhualian intercross. The length and weight of the biceps brachii muscle were measured after slaughter at 240 d. A genome scan was performed with 183 microsatellite markers in the population. A total of 42 QTL were detected, including 16 at the 1% genome-wide significant level and 6 at the 5% genome-wide significant level. Thirty-eight of the 42 QTL showed significant additive effects, and 14 had significant dominance effects. At least 2 QTL were detected for each trait except for leg score at 76 d, for which no QTL was identified. Some of the QTL for leg and gait scores confirmed previous findings. Eighteen QTL were detected for weight and length of the biceps brachii muscle. To our knowledge, this was the first report about QTL for weight and length of the biceps brachii muscle in pigs. Two chromosome regions each on SSC4 and SSC7 showed significant and multiple associations with both leg weakness and growth of the biceps brachii muscle, which are worthwhile for further investigation.


Subject(s)
Breeding , Extremities , Genome/genetics , Muscle Weakness/veterinary , Quantitative Trait Loci/genetics , Swine Diseases/genetics , Animals , Female , Gait/genetics , Male , Microsatellite Repeats/genetics , Muscle Weakness/genetics , Muscle, Skeletal/anatomy & histology , Phenotype , Sex Factors , Swine
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