Both stapled rectal mucosectomy and closed hemorrhoidectomy are safe procedures. Closed hemorrhoidectomy was superior for bleeding control in Grade III and IV hemorrhoidal disease, but more painful and disabling than stapled rectal mucosectomy.
L-asp is an effective drug to treat ALL, the administration of L-asp requires the monitoring of pancreatic toxicity to detect AP and have treatment initiated as early as possible. Chronic complications after AP occur in almost one third of cases.
Background/Aims: Polycystic ovary syndrome (PCOS) has been found to affect 4–8% of women of reproductive age; however, in Mexican-Americans a prevalence of 12.8% has been reported. This study determines the prevalence of PCOS in a sample of Mexican women. Methods: This prospective cross-sectional study included 150 female Mexican volunteers aged 20–45 years. Menstrual cycles were recorded and hirsutism was graded. Pelvic ultrasound was performed and androgen levels were measured. PCOS was diagnosed by hyperandrogenism and/or hyperandrogenemia, and oligo-ovulation (NIH 1990 criteria), and also by 2 of 3 findings: oligo-ovulation, clinical and/or biochemical hyperandrogenism and polycystic ovaries (PCO) (Rotterdam 2003 criteria), excluding other disorders. Results: Nine of the 150 women were diagnosed with PCOS, a prevalence of 6.0% (95% CI: 1.9–10.1%), according to NIH criteria. The ultrasound morphology added one patient to give ten PCOS patients, a prevalence of 6.6% (95% CI: 2.3–10.9%) according to Rotterdam criteria. All PCOS patients presented oligo-ovulation, 9 had hirsutism and 7 of them had acne. Eight of the 10 PCOS patients had morphologic characteristics of PCO. Conclusion: The prevalence of PCOS in Mexican women is approximately 6.0%, similar to other populations, but lower than 12.8% reported in Mexican-American women.
Objectives The aim of the present study was to estimate the incidence and spontaneous clearance rate of Helicobacter pylori infection and the effect of some variables on these outcomes in schoolchildren. Methods From May 2005 to December 2010, 718 schoolchildren enrolled in 3 public boarding schools in Mexico City participated in the follow-up. At the beginning of the study and every 6 months thereafter, breath samples were taken to detect H pylori infection; blood samples and anthropometric measurements were taken to evaluate nutritional status. Data on sociodemographic characteristics were collected. Results The prevalence of H pylori infection was 38%. The incidence rate was 6.36%/year. Schoolchildren with anemia or iron deficiency at the beginning of the study (who received iron supplements) showed a higher infection acquisition rate than those with normal iron nutritional status, hazard ratio (HR) 12.52 (95% confidence interval [CI] 4.01%–39.12%), P <0.001 and HR 2.05 (95% CI 1.09%–3.87%), P = 0.027, respectively. The spontaneous clearance rate of the infection was 4.74%/year. The spontaneous clearance rate was higher in children who had iron deficiency (who received iron supplements), HR 5.02 (95% CI 1.33%–18.99%), P = 0.017, compared with those with normal nutritional iron status. It was lower in schoolchildren with ≥2 siblings compared with schoolchildren with 1 or no siblings, HR 0.23 (95% CI 0.08%–0.63%), P = 0.004. Conclusions H pylori infection status is dynamic in schoolchildren. Variables related to health status and infection transmission, such as iron status and number of siblings, are important for the incidence and spontaneous clearance of H pylori infection.
Obesity or overweight affect most of patients with polycystic ovary syndrome (PCOS). Phenotypes are the clinical characteristics produced by the interaction of heredity and environment in a disease or syndrome. Phenotypes of PCOS have been described on the presence of clinical hyperandrogenism, oligoovulation and polycystic ovaries. The insulin resistance is present in the majority of patients with obesity and/or PCOS and it is more frequent and of greater magnitude in obese than in non obese PCOS patients. Levels of sexual hormone binding globulin are decreased, and levels of free androgens are increased in obese PCOS patients. Weight loss treatment is important for overweight or obese PCOS patients, but not necessary for normal weight PCOS patients, who only need to avoid increasing their body weight. Obesity decreases or delays several infertility treatments. The differences in the hormonal and metabolic profile, as well as the different focus and response to treatment between obese and non obese PCOS patients suggest that obesity has to be considered as a characteristic for classification of PCOS phenotypes.
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