[37.3(Ϯ 12.9) years] were assessed for values of body mass index (BMI) and waist circumference (WC) for predicting DM or HT by receiver operating characteristic curve analyses. Likelihood ratios for DM and HT were calculated, and BMIs or WCs for public-health screening were developed. Subanalyses included regional data. Results: Likelihood ratios of DM and HT increased from BMI values of 22 to 24 kg/m 2 in both sexes and with WC values of 75 to 80 cm in men and 70 to 80 cm in women. The best BMI cutoffs for predicting DM were 26.3 to 27.4 kg/m 2 in men and 27.7 to 28.9 kg/m 2 in women, with similar values for HT, i.e., 26.2 to 27.0 kg/m 2 and 27.7 to 28.5 kg/m 2 , for men and women, respectively; WC cutoffs for DM were 93 to 98 cm in men and 94 to 99 cm in women, and cutoffs for HT were 92 to 96 cm and 93 to 96 cm for men and women, respectively. The WC cutoffs had higher sensitivity and specificity than those of BMI. Discussion: The risk for DM and HT starts at lower levels of BMI and WC than those suggested by WHO. WC is a better discriminator than BMI measures for use in public health.
The federal government has implemented several strategies to reduce mortality caused by chronic non-communicable diseases (CNTD). One example is the development of medical units specialized in the care of CNTD (i.e. overweight, obesity, cardiovascular risk and diabetes), named UNEMES (from its Spanish initials). These units--consisting of an ad-hoc, trained, multi-disciplinary team--will provide patient education, help in the resolution of obstacles limiting treatment adherence, and involve the family in patient care. Treatment will be provided using standardized protocols. The efficacy of the intervention will be regularly measured using pre-specified outcomes. We expect that these UNEMES will result in significant savings. In summary, our health care system is developing better treatment strategies for CNTD. Evaluating the performance of the UNEMES will generate valuable information for the design of future preventive actions.
OBJECTIVE:To assess the ability of the body mass index (BMI) to detect obesity-associated morbidity in subjects with a normal or short stature. METHODS: Information was obtained on 119 975 subjects from a cardiovascular risk factors detection program. Standardized questionnaires were used. Capillary glucose and cholesterol concentrations were measured. Diabetes, arterial hypertension and hypercholesterolemia were selected as end points. Sensitivity, specificity and the likelihood ratio for several BMI thresholds were calculated. ROC curves were constructed to identify the BMI cutoff points with best diagnostic performance. The area under the curve (AUC) was used to assess the proficiency of BMI. RESULTS: Short stature (height r150 cm for women or r160 cm for men) was found in 24 854 subjects (20.7%). These cases had a higher prevalence of type II diabetes and arterial hypertension even after adjusting for confounding variables. In addition, the frequency of the abnormalities was higher even at the lowest BMI values; the prevalence increased in direct proportion with the BMI, but at a lower rate compared to cases with normal stature. The AUC for every co-morbidity was smaller in short stature subjects. The likelihood ratio for detecting co-morbidities increased at the same BMI value in subjects with or without short stature. CONCLUSIONS: The prevalence of obesity-associated co-morbidities is higher in subjects with short stature compared to those without it. The proficiency of BMI as a diagnostic tool is poor in short stature subjects. This problem is not resolved by decreasing BMI thresholds used to define overweight.
Objectives: To determine the prevalences of overweight, obesity, type 2 diabetes mellitus (DM) and hypertension (HT) in the Mexican population and compare them with those of a previous Mexican urban survey and an American survey. Design: A structured, randomised, nationally representative Mexican sample was compared with a 1993 Mexican urban survey and the US Third National Health and Nutrition Examination Survey (NHANES III) of non-Hispanic Whites. Setting: The Mexican National Health Survey 2000. Subjects: Subjects were 12 856 men and 28 332 women, aged 20 -69 years, who had their body weight, height, waist circumference (WC), blood pressure and fasting capillary blood glucose measured. Results: Mexican adult men and women had a high prevalence of overweight (41.3 and 36.3%, respectively) and obesity (19.4 and 29.0%, respectively), similar to those in the USA in 1988-1992 and exceeding those of the 1993 Mexican survey. The prevalence of HT was 33.3% in men and 25.6% in women, with inferred DM rates of 5.6 and 9.7%, respectively. Abdominal obesity affected 46.3% of men (WC $ 94 cm) and 81.4% of women (WC $ 80 cm). There was a high prevalence of abdominal obesity in normal-weight women, with co-morbidities relating better to WC than to body mass index (BMI) in both sexes. Rates of DM and HT exceeded US rates on a comparable BMI or WC basis in adults aged , 50 years. Conclusion: The high prevalence of obesity and abdominal obesity in Mexicans is associated with markedly increased prevalences of DM and HT to levels comparable with, or even higher than, those in NHANES III of non-Hispanic Whites.
Potassium permanganate has been reported to be an effective treatment for certain types of wounds. The aim of the present study was to evaluate the use of potassium permanganate in the treatment of diabetic foot ulcers. A single-blind, randomized, controlled clinical trial was conducted on patients with type 2 diabetes mellitus that presented with a foot ulcer persisting for >3 months. The control group (n=10) was treated with the current standard treatment, which comprises of measures for reducing pressure in the ulcerated area, daily cleansing of the ulcer with potable water and antiseptic wash solution, and the application of a disinfectant solution on the entire surface area of the ulcer; while the intervention group (n=15) received the standard treatment plus 5% topical potassium permanganate solution applied once a day for 21 days. In the intervention group, 1 patient did not tolerate the treatment and was eliminated from the study on the first day. The remaining patients tolerated the interventions well. At the end of the treatment period, ulcers in the control group had decreased by 38% whereas those in the intervention group decreased by 73% (P<0.009). The degree of decrease was also investigated; the ulcer size was ≥50% decreased in 40% of patients in the control group and in 86% of patients in the intervention group (P=0.02). In conclusion, the results of the present study indicate that topical potassium permanganate is well tolerated and significantly accelerates the healing process of diabetic foot ulcers.
The findings of a case study assessing the design and implementation of an electronic health record (EHR) in the public health system of Colima, Mexico, its perceived benefits and limitations, and recommendations for improving the implementation process are presented. In-depth interviews and focus group discussions were used to examine the experience of the actors and stakeholders participating in the design and implementation of EHRs. Results indicate that the main driving force behind the use of EHRs was to improve reporting to the two of the main government health and social development programs. Significant challenges to the success of the EHR include resistance by physicians to use the ICD-10 to code diagnoses, insufficient attention to recurrent resources needed to maintain the system, and pressure from federal programs to establish parallel information systems. Operating funds and more importantly political commitment are required to ensure sustainability of the EHRs in Colimaima.
Introduction: COVID-19 pandemic affects human health and the global economy. Its evolution is unpredictable, making it hard for governments to provide response actions suited for all populations. Meanwhile, informal street workers carry on with their labor despite contingency measures to sustain their lives. The objective was to conduct a case-control study to become aware of how street vendors' economy is affected during the COVID-19 pandemic. Methodology: During phase 2 of the COVID-19 pandemic in a Mexican suburban city. We interviewed informal street vendors (cases) and formal employees (controls). Results: Before mobility restrictions were in place, population income came 1.5% from formal employment and 23.5% from informal employment (street vendors). Informal employees lived on less than the equivalent of 1.5 Big Macs per day (p <0.001). After the contingency measures, formal employment kept the same, while the informal employment ratio increased to 57.4% (p < 0.001). The street vendors were almost 100-times less likely to be concerned about the coronavirus outbreak (p < 0.001) and were 38-times less likely to stop working compared with the formal workers (p < 0.001). Conclusions: We have proven that street vendors are a sector of the population that is highly vulnerable to significant economic loss due to contingency measures. Informal workers cannot stop working despite the “Stay at Home” initiative because the government has not implemented strategies that guarantee their survival and their families. Therefore, street vendors continue to be a source of the virus's spread throughout cities.
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