Pregnancy after bariatric surgery - a narrative literature review

Effects of bariatric surgery on sexual function and fertility: A narrative review

Obesity has emerged as a prevalent global health concern, with its detrimental effects on the reproductive system and sexual function garnering increasing attention. Both men and women affected by obesity face a heightened risk of fertility challenges and sexual dysfunction. Although fertility and sexual function are distinct topics, they are intricately linked and mutually influential in both medical and societal contexts. Bariatric surgery (BS) has generated promising results in alleviating sexual dysfunction and enhancing fertility, results which are often gender specific. In men, improvements in sexual function can often be attributed to weight loss and subsequent optimizations in sex hormone levels. However, improving female sexual function may be related to a range of factors beyond weight loss. Bariatric procedures have shown limited benefits for male fertility; in fact, in some situations it can even be detrimental, leading to a decrease in sperm count and quality. Conversely, BS may positively impact female fertility, improving pregnancy and neonatal outcomes. Nevertheless, it is essential to consider the potential risks related to the adverse effects of malnutrition and rapid weight loss following BS, making it advisable to wait for 12-18 months before attempting pregnancy.

Maternal and fetal/neonatal outcomes in pregnancy, delivery and postpartum following bariatric surgery and comparison with pregnant women with obesity: a study protocol for a prospective cohort

BACKGROUND

Being obese can lead to various complications during pregnancy, such as Gestational Diabetes Mellitus (GDM), pregnancy induced hypertension (PIH), Pre-Eclampsia (PE), and Large Gestational Age (LGA). Although bariatric surgery is an effective way to treat obesity, it can also result in complications and may be linked to having small for gestational age (SGA) babies. This cohort study protocol aims to compare the maternal and fetal/neonatal outcomes of two groups of Iranian pregnant women: those who have undergone bariatric surgery and those who are obese but have not had bariatric surgery.

METHODS

In this study Pregnant women (< 14 weeks' gestation) (n = 38 per group) are recruited either from one of the obesity clinic (exposure group = with a history of bariatric surgery) or primary healthcare clinics in Tehran city (comparison group = pregnant women with obesity and and no history of bariatric surgery). Dietary intake and nutrient status are assessed at < 14, 28, and 36 weeks. Maternal and fetal/neonatal outcomes are compared between the two groups, including gestational diabetes, preeclampsia, preterm labor, intrauterine growth restriction, severe nausea and vomiting, abortion, placenta previa and abruption, venous thrombosis, vaginal bleeding, cesarean delivery, meconium aspiration, and respiratory distress. Maternal serum levels of ferritin, albumin, zinc, calcium, magnesium, selenium, copper, vitamins A, B9, B12, and 25-hydroxy Vit D are checked during 24th to 28th weeks. Maternal and neonatal outcomes, including height, weight, head circumference, fetal abnormality, infection, small or large fetus, low birth weight, macrosomia, NICU admission, and total weight gain during pregnancy, are measured at birth. Maternal and offspring outcomes, including weight, height, head circumference, total weight gain during pregnancy, newborn diseases, postpartum bleeding, breastfeeding, and related problems, are assessed 6 weeks after delivery. Child's weight, height, and head circumference are followed at 2, 4, 6, 8, 10, and 12 months after birth. Maternal stress, anxiety, and depression are assessed with the DASS-21 questionnaire, and physical activity is evaluated using the PPAQ questionnaire in the first and third trimesters.

DISCUSSION

By assessing the levels of micronutrients in the blood of pregnant women along with the evaluation of pregnancy outcomes, it is feasible to gain a more accurate understanding of how bariatric surgery affects the health and potential complications for both the mother and the fetus/newborn. This information can help specialists and patients make more informed decisions about the surgery. Additionally, by examining issues such as stress, anxiety, and depression in women undergoing surgery, this study can contribute to recognizing these problems, which can also affect pregnancy outcomes.

The Influence of Pregnancy on Weight Loss After Previous Bariatric Surgery

Introduction: Bariatric surgery is routinely performed on obese women of reproductive age, most commonly with the laparoscopic sleeve gastrectomy (SG) and Roux-en-Y gastric bypass procedures (RYGB). This study analyzes the effects of postoperative pregnancy on excess BMI loss percentage (EBMIL%) after SG and RYGB. Methods: A retrospective study was conducted with 191 female patients of reproductive age between 20 and 40 years who underwent SG and RYGB performed at our institution between January 2017 and December 2018. A comparison of the results at 4-year follow-up was performed between patients who became pregnant after bariatric surgery with patients who did not. Results: Among 191 total cases, 32 (16.7%) patients became pregnant within a 4-year follow-up period, and 159 (83.2%) patients did not. The median postoperative body mass index (BMI) in the pregnant group was 33.3 kg/m2 (interquartile range [IQR] 30.1-38.5) and 33.5 kg/m2 (IQR 28.9-38.6) in the nonpregnant group. The mean EBMIL% within a 4-year follow-up in the pregnant group was 50.4% (standard deviation [SD] 23.5) and 55.5% (SD 30.4) in the nonpregnant group. The median weight before surgery in the pregnant group was 112 kg (IQR 107.9-132.2) and 117 kg (IQR 106-132.5) in the nonpregnant group. The median weight after surgery in the pregnant group was 89.5 kg (IQR 79.5-111) and 88.9 kg (IQR 78-103) in the nonpregnant group. There was no significant difference between outcomes. Conclusion: Weight loss maintenance after bariatric surgery is not impacted by postoperative pregnancy within a 4-year follow-up after SG and RYGB.

High-risk antenatal women's perceptions of dietitian appointments and information

Problem

The dietitian service at a metropolitan health service in Queensland, Australia has a non-engagement rate for high-risk antenatal women of 50%.

Aim

Determine which attributes are related to non-attendance at dietitian appointments, and women's perceptions and attitudes towards dietitian appointments during pregnancy.

Methods

An explanatory mixed-methods design was utilised, with first phase including 103 antenatal women referred to a dietitian in 2021 and compared the attributes of those who attended with those who did not engage. Queensland Health electronic databases were used to collect attribute data, which were then analysed with Jamovi (version 1.6) for descriptive, correlational, multivariate analyses of variance MANOVA. Second phase included seven semi-structured interviews with women attending a dietitian appointment, and subsequently analysed through thematic analysis.

Results

Distance from clinic was not related to clinic attendance, and women reported they would attend regardless of distance or work status. Non-attendance was related to higher gravidity, parity, and if referred for obesity, but not previous gastric sleeve or underweight referral. Six themes were identified from the interview data: "Women want to be treated like an individual," "It's all about expectations," "Midwives hold the key," "Preferences in receiving dietary information," "Weight has been a long-term problem and is a sensitive topic," and "Barriers to attendance."

Conclusion

Antenatal services can adjust service delivery to improve engagement in weight management services during pregnancy. Telehealth appointments may reduce non-engagement due to distance from clinic. Demystifying the dietitian appointment, ensuring non-judgemental referral processes and collaboration between midwives and dietitians will ensure that women value the service.

Current Knowledge and Perceptions of Bariatric Surgery among Diabetologists and Internists in Poland

Perioperative care and follow-up after bariatric surgery (BS) engage various medical professionals. It is key for them to be well informed about these procedures. However, knowledge and attitudes may be not satisfactory enough to provide proper care. We aimed to assess knowledge and perceptions of BS among diabetologists and internists. A total of 34 diabetologists and 30 internists completed the electronic questionnaire. There were no differences in self-estimated knowledge between them, except regarding items related to the treatment of diabetes and metabolic control. Several misconceptions were identified in the questions testing the understanding of key issues in BS. Most participants considered BS effective in weight loss and metabolic control. A total of 75% highlighted the lack of appropriate equipment for dealing with morbidly obese patients. Interestingly, in a multivariable linear regression model, self-estimated knowledge was the only variable associated with frequency of referrals to bariatric surgeons. A total of 92% of respondents were interested in broadening their knowledge. Guidelines for long-term follow-up and funding were the most frequently chosen topics to explore. The study showed a positive attitude of diabetologists and internists towards surgical treatment of obesity and identified some significant gaps in knowledge. The results may be helpful in planning trainings to provide the best care for patients suffering from morbid obesity.

Gestational Diabetes, Colorectal Cancer, Bariatric Surgery, and Weight Loss among Diabetes Mellitus Patients: A Mini Review of the Interplay of Multispecies Probiotics

Diabetes mellitus has been steadily increasing over the past decades and is one of the most significant global public health concerns. Diabetes mellitus patients have an increased risk of both surgical and post-surgical complications. The post-surgical risks are associated with the primary condition that led to surgery and the hyperglycaemia per se. Gut microbiota seems to contribute to glucose homeostasis and insulin resistance. It affects the metabolism through body weight and energy homeostasis, integrating the peripheral and central food intake regulatory signals. Homeostasis of gut microbiota seems to be enhanced by probiotics pre and postoperatively. The term probiotics is used to describe some species of live microorganisms that, when administered in adequate amounts, confer health benefits on the host. The role of probiotics in intestinal or microbial skin balance after abdominal or soft tissue elective surgeries on DM patients seems beneficial, as it promotes anti-inflammatory cytokine production while increasing the wound-healing process. This review article aims to present the interrelation of probiotic supplements with DM patients undergoing elective surgeries.