viernes, 11 de septiembre de 2015

Cirugía bariátrica y embarazo/Bariatric surgery and pregnancy

Septiembre 8, 2015. No. 2079
Anestesia y Medicina del Dolor

Nutrición y embarazo después de cirugía bariátrica
Nutrition and pregnancy after bariatric surgery.
ISRN Obes. 2013 Jan 30;2013:492060. doi: 10.1155/2013/492060. eCollection 2013.
Abstract
Obesity is an escalating problem in all age groups and it is observed to be more common in females than males. About 25% of women meet the criteria of obesity and one-third of them are in the reproductive age. Because morbid obesity requiring surgical treatment is observed with increasing frequency, surgeons and gynecologists are undergoing new challenges. It is not only a matter of women's health and their quality of life but also proper development of the fetus, which should be a concern during bariatric treatment. Therefore complex perinatal care has to be provided for morbid obesity patients. The paper reviews pregnancy and fertility issues in bariatric surgery patients.
Efectos de la cirugía de bypass gástrico sobre la función reproductiva femenina
Effects of gastric bypass surgery on female reproductive function.
J Clin Endocrinol Metab. 2012 Dec;97(12):4540-8. doi: 10.1210/jc.2012-2205. Epub 2012 Oct 12.
Abstract
CONTEXT: Reproductive function may improve after bariatric surgery, although the mechanisms and time-related changes are unclear. OBJECTIVE: The objective of the study was to determine whether ovulation frequency/quality as well as associated reproductive parameters improve after Roux en Y gastric bypass surgery. DESIGN: This was a prospective cohort study that enrolled female subjects from 2005 to 2008 with study visits at baseline and then 1, 3, 6, 12, and up to 24 months after surgery. SETTING: The study was conducted at an academic health center. PATIENTS: Twenty-nine obese, reproductive-aged women not using confounding medications participated in the study. MAIN OUTCOME MEASURES: The primary outcome was integrated levels of urinary progestin (pregnanediol 3-glururonide) from daily urinary collections at 12 months postoperatively. Secondary outcomes were changes in vaginal bleeding, other biometric, hormonal, ultrasound, dual-energy x-ray absorptiometry measures, and Female Sexual Function Index. RESULTS: Ninety percent of patients with morbid obesity had ovulatory cycles at baseline, and the ovulatory frequency and luteal phase quality (based on integrated pregnanediol 3-glururonide levels) were not modified by bariatric surgery. The follicular phase was shorter postoperatively [6.5 d shorter at 3 months and 7.9-8.9 d shorter at 6-24 months (P < 0.01)]. Biochemical hyperandrogenism improved, largely due to an immediate postoperative increase in serum SHBG levels (P < 0.01), with no change in clinical hyperandrogenism (sebum production, acne, hirsutism). Bone density was preserved, contrasting with a significant loss of lean muscle mass and fat (P < 0.001), reflecting preferential abdominal fat loss (P < 0.001). Female sexual function improved 28% (P = 0.02) by 12 months. CONCLUSIONS: Ovulation persists despite morbid obesity and the changes from bypass surgery. Reproductive function after surgery is characterized by a shortened follicular phase and improved female sexual function.
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 Modulo CEEA Leon, Gto.


          
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