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What Evidence Do We Have for Pharmaceutical Galactagogues in the Treatment of Lactation Insufficiency?-A Narrative Review.
Grzeskowiak, LE, Wlodek, ME, Geddes, DT
Nutrients. 2019;(5)
Abstract
Inadequate breast milk supply is a frequently reported reason for early discontinuation of breastfeeding and represents a critical opportunity for intervening to improve breastfeeding outcomes. For women who continue to experience insufficient milk supply despite the utilisation of non-pharmacological lactation support strategies, pharmacological intervention with medications used to augment lactation, commonly referred to as galactagogues, is common. Galactagogues exert their pharmacological effects through altering the complex hormonal milieu regulating lactation, particularly prolactin and oxytocin. This narrative review provides an appraisal of the existing evidence regarding the efficacy and safety of pharmaceutical treatments for lactation insufficiency to guide their use in clinical practice. The greatest body of evidence surrounds the use of domperidone, with studies demonstrating moderate short-term improvements in breast milk supply. Evidence regarding the efficacy and safety of metoclopramide is less robust, but given that it shares the same mechanism of action as domperidone it may represent a potential treatment alternative where domperidone is unsuitable. Data on remaining interventions such as oxytocin, prolactin and metformin is too limited to support their use in clinical practice. The review provides an overview of key evidence gaps and areas of future research, including the impacts of pharmaceutical galactagogues on breast milk composition and understanding factors contributing to individual treatment response to pharmaceutical galactagogues.
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A Review of Bioactive Factors in Human Breastmilk: A Focus on Prematurity.
Gila-Diaz, A, Arribas, SM, Algara, A, Martín-Cabrejas, MA, López de Pablo, ÁL, Sáenz de Pipaón, M, Ramiro-Cortijo, D
Nutrients. 2019;(6)
Abstract
Preterm birth is an increasing worldwide problem. Prematurity is the second most common cause of death in children under 5 years of age. It is associated with a higher risk of several pathologies in the perinatal period and adulthood. Maternal milk, a complex fluid with several bioactive factors, is the best option for the newborn. Its dynamic composition is influenced by diverse factors such as maternal age, lactation period, and health status. The aim of the present review is to summarize the current knowledge regarding some bioactive factors present in breastmilk, namely antioxidants, growth factors, adipokines, and cytokines, paying specific attention to prematurity. The revised literature reveals that the highest levels of these bioactive factors are found in the colostrum and they decrease along the lactation period; bioactive factors are found in higher levels in preterm as compared to full-term milk, they are lacking in formula milk, and decreased in donated milk. However, there are still some gaps and inconclusive data, and further research in this field is needed. Given the fact that many preterm mothers are unable to complete breastfeeding, new information could be important to develop infant supplements that best match preterm human milk.
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[Which medications are safe while breastfeeding? : A synopsis for the anesthetist, obstetrician and pediatrician].
Fischer, A, Ortner, C, Hartmann, T, Jochberger, S, Klein, KU
Wiener medizinische Wochenschrift (1946). 2019;(3-4):45-55
Abstract
Pharmacokinetic data on drug administration during lactation are often inconsistent or missing. For legal reasons medicinal drug product information generally advises to interrupt breastfeeding for 24 h after medication intake. However this is not standard of care in clinical practice as the mother should be instructed to initiate breastfeeding as soon as possible after giving birth. At the same time the medication exposure over the breast milk for the newborn should be minimized. Aim of this article is to summarize pharmacokinetic data and to give important clinical information on medications frequently administered during the lactation period. As a general rule a mother can start breastfeeding following anesthesia as soon as she is able to get her baby latched on her breast.
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Breastfeeding and Breast Cancer: Managing Lactation in Survivors and Women with a New Diagnosis.
Johnson, HM, Mitchell, KB
Annals of surgical oncology. 2019;(10):3032-3039
Abstract
BACKGROUND Supporting breastfeeding is a global health priority, yet few clinical guidelines exist to guide surgical oncologists in managing lactation during or after breast cancer treatment. METHODS The literature was reviewed to identify evidence-based strategies for managing lactation during multidisciplinary breast cancer treatment or among breast cancer survivors. RESULTS The majority of the evidence is from observational studies, with some higher levels of evidence, including systematic reviews and meta-analyses. Several significant gaps in knowledge remain. CONCLUSIONS This review serves as a comprehensive resource of evidence-based recommendations for managing lactation in breast cancer survivors and breastfeeding women with a new breast cancer diagnosis.
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The Functional Power of the Human Milk Proteome.
Zhu, J, Dingess, KA
Nutrients. 2019;(8)
Abstract
Human milk is the most complete and ideal form of nutrition for the developing infant. The composition of human milk consistently changes throughout lactation to meet the changing functional needs of the infant. The human milk proteome is an essential milk component consisting of proteins, including enzymes/proteases, glycoproteins, and endogenous peptides. These compounds may contribute to the healthy development in a synergistic way by affecting growth, maturation of the immune system, from innate to adaptive immunity, and the gut. A comprehensive overview of the human milk proteome, covering all of its components, is lacking, even though numerous analyses of human milk proteins have been reported. Such data could substantially aid in our understanding of the functionality of each constituent of the proteome. This review will highlight each of the aforementioned components of human milk and emphasize the functionality of the proteome throughout lactation, including nutrient delivery and enhanced bioavailability of nutrients for growth, cognitive development, immune defense, and gut maturation.
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Cabergoline: a review of its use in the inhibition of lactation for women living with HIV.
Tulloch, KJ, Dodin, P, Tremblay-Racine, F, Elwood, C, Money, D, Boucoiran, I
Journal of the International AIDS Society. 2019;(6):e25322
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Abstract
INTRODUCTION In developed countries, breastfeeding is not recommended for women living with human immunodeficiency virus (WLWH). However, lactation symptoms can be distressing for women who choose not to breastfeed. There is currently no universal guideline on the most appropriate options for prevention or reduction of lactation symptoms amongst WLWH. This review describes the evidence base for using cabergoline, a dopaminergic agonist, for the post-partum inhibition of lactation for WLWH. METHODS A scoping review of post-partum pharmaceutical lactation inhibition specific for WLWH was conducted using searches in PubMed, Medline Ovid, EBM Reviews Ovid, Embase, Web of Science and Scopus until 2019. A narrative review of cabergoline pharmacologic properties, therapeutic efficacy, tolerability data and drug interaction data relevant to lactation inhibition was then conducted. RESULTS AND DISCUSSION Among 1366 articles, the scoping review identified 13 relevant publications. Eight guidelines providing guidance regarding lactation inhibition for WLWH and two surveys of medical practice on this topic in UK have been published. Three studies have evaluated the use of pharmaceutical agents in WLWH. Two of these studies evaluated cabergoline and reported it to be an effective method of lactation inhibition in this population. The third study evaluated ethinyl estradiol and bromocriptine use and showed poor efficacy. Cabergoline is a long-acting dopamine D2 agonist and ergot derivative that inhibits prolactin secretion and suppresses physiologic lactation when given as a single oral dose of 1 mg after delivery. Cabergoline is at least as effective as bromocriptine for lactation inhibition with success rates between 78% and 100%. Transient, mild to moderate adverse events to cabergoline are described in clinical trials. Few drug interactions exist as cabergoline is neither a substrate nor an inducer/inhibitor of hepatic cytochrome P450 isoenzymes. There are no reported clinically significant drug-drug interactions between cabergoline and any antiretroviral medications including protease inhibitors. CONCLUSIONS Cabergoline is a safe and effective pharmacologic option for the prevention of physiological lactation and associated physical symptoms in non-breastfeeding women. Future studies should focus on its safety, efficacy and acceptability among WLWH.
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Breastfeeding and postpartum weight loss.
Lambrinou, CP, Karaglani, E, Manios, Y
Current opinion in clinical nutrition and metabolic care. 2019;(6):413-417
Abstract
PURPOSE OF REVIEW Postpartum weight retainment is common in women, increasing the long-term likelihood of overweight and/or obesity. On the other hand, breastfeeding entails a high energy cost that contributes to the total energy expenditure of the mother, increasing the chances of a negative energy equilibrium that could potentially lead to weight loss. This review explores this association as depicted in the latest literature available. RECENT FINDINGS Several studies reported a positive association between breastfeeding and postpartum weight loss while others reported no significant association. Several potential mechanisms, metabolic pathways and determinants have been described. SUMMARY Even though several studies support the potentially beneficial role of breastfeeding in postpartum weight loss, more studies with robust designs are needed to reach a reliable conclusion. Healthcare providers should encourage breastfeeding, not only for its health benefits for both the mother and the offspring but also for its potential role in weight loss.
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Topical Drugs in Nursing Mothers.
Anderson, PO
Breastfeeding medicine : the official journal of the Academy of Breastfeeding Medicine. 2018;(1):5-7
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Lactation ketoacidosis: case presentation and literature review.
Al Alawi, AM, Falhammar, H
BMJ case reports. 2018
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Abstract
A 35-year-old woman presented to the emergency department with a 2 days history of malaise and headache. She was breastfeeding her 5-month old infant and had recently started an altered diet based on reducing carbohydrate amount. Moreover, she had also started exercising 2 weeks prior to her illness. Initial blood tests revealed high anion gap metabolic acidosis and hypoglycaemia (pH 7.13 (normal 7.30-7.40), bicarbonate 9.4 mmol/L (normal 21.0-28.0), anion gap 22.6 mmol/L (normal 8-12), glucose 2.9 mmol/L (normal fasting 3.9-5.8) and ketones 6.4 mmol/L (normal <0.6)). The patient was treated with intravenous dextrose and showed complete resolution of ketoacidosis and hypoglycaemia within 48 hours. She was discharged home and remained well with a balanced diet. After excluding all other the causes of hypoglycaemia and ketoacidosis, the diagnosis of lactation ketoacidosis was made and it was considered triggered by altered diet, exercise and skipping meals. All 11 cases of lactation ketoacidosis which has previously been published are reviewed as well.
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The Role of Vitamin D in Fertility and during Pregnancy and Lactation: A Review of Clinical Data.
Pilz, S, Zittermann, A, Obeid, R, Hahn, A, Pludowski, P, Trummer, C, Lerchbaum, E, Pérez-López, FR, Karras, SN, März, W
International journal of environmental research and public health. 2018;(10)
Abstract
Vitamin D deficiency is common and there exists a huge gap between recommended dietary vitamin D intakes and the poor vitamin D supply in the general population. While vitamin D is important for musculoskeletal health, there are accumulating data suggesting that vitamin D may also be important for fertility, pregnancy outcomes and lactation. Significant changes in vitamin D metabolism during pregnancy such as increased production of the "active vitamin D hormone" calcitriol support the important role of vitamin D in this setting. Observational studies show that vitamin D deficiency is a risk marker for reduced fertility and various adverse pregnancy outcomes and is associated with a low vitamin D content of breast milk. Meta-analyses of randomized controlled trials (RCTs) document that physiological vitamin D supplementation during pregnancy is safe and improves vitamin D and calcium status, thereby protecting skeletal health. Although certain RCTs and/or meta-analyses reported some other beneficial effects, it is still not clear whether vitamin D supplementation improves fertility or decreases the risk of adverse pregnancy outcomes such as low birth weight, pre-eclampsia and neonatal mortality, or reduces wheeze/asthma in the infants. Nevertheless, vitamin D supplementation in pregnant women is frequently required to achieve a sufficient vitamin D status as recommended by nutritional vitamin D guidelines. In this review, we provide an overview of systematic reviews, meta-analyses and large trials reporting clinical data on the role of vitamin D for fertility, pregnancy and lactation.