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Graziottin A, Di Simone N, Guarano A. Postpartum care: Clinical considerations for improving genital and sexual health. Eur J Obstet Gynecol Reprod Biol 2024; 296:250-257. [PMID: 38484617 DOI: 10.1016/j.ejogrb.2024.02.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 02/15/2024] [Accepted: 02/20/2024] [Indexed: 04/19/2024]
Abstract
The postpartum period encompasses the biological and psychoaffective transition to motherhood. However, it remains a most neglected phase in a woman's life. Furthermore, the transition to parenthood is a critical and potentially disrupting factor in a couple's relationship, which can be complicated by undiagnosed biological and psychosexual difficulties. Lack of recognition of the many biological and medical factors that can affect women's health and sexuality in the postpartum period is a common and persistent clinical omission worldwide. Communication difficulties exist between healthcare professionals and women and there are wording biases in describing female genitalia. This can further contribute to the diagnostic lack of attention and timely diagnosis and treatment of even very bothersome symptoms. Early diagnosis and treatment of common postpartum conditions is vital and quality care for new mothers should include psychological and emotional support, lactation assistance, early diagnosis and treatment of genital and sexual pain symptoms, pelvic floor rehabilitation and sexual health guidance. The inclusion of correct genital hygiene practices is a critical element of postpartum gynaecological counselling and can help improve overall genital and sexual health. In this review, we summarise the variability in global professional guidelines for postpartum care, identify common health problems faced by postpartum women and discuss appropriate postpartum care. We pay specific attention to prominent biological or medical factors that can impact the emotional and psychosexual wellbeing of women and couples. The aetiology, diagnosis and treatment of sexual dysfunction, in particular sexual pain disorders, is therefore discussed with a pragmatic approach. Finally, the role of intimate hygiene care is discussed with special attention given to cleanser ingredients with solid scientific evidence to help clinicians adopt a more tailored approach with their clinical recommendations.
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Affiliation(s)
- Alessandra Graziottin
- Centre of Gynaecology and Medical Sexology, Department of Obstetrics and Gynaecology, San Raffaele Resnati Hospital, 20122 Milan, Italy; Department of Obstetrics and Gynaecology, University of Verona, 37129 Verona, Italy; Specialty School, Endocrinology and Metabolic Diseases Department, Federico II University, 80131 Naples, Italy; Alessandra Graziottin Foundation for the Cure and Care of Pain in Women, NPO, Italy
| | - Nicoletta Di Simone
- Department of Biomedical Sciences, Humanitas University, 20072 Milan, Italy; IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Italy
| | - Alice Guarano
- Department of Biomedical Sciences, Humanitas University, 20072 Milan, Italy.
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Das M, Verma M, Barman P, Behera DK. Prevalence of anaemia among married women with recent birth history and high-risk fertility behaviour: secondary data analysis of the National Family Health Survey-India (2019-21). BMJ Open 2024; 14:e073395. [PMID: 38296277 PMCID: PMC10831430 DOI: 10.1136/bmjopen-2023-073395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 01/16/2024] [Indexed: 02/03/2024] Open
Abstract
OBJECTIVES To describe the prevalence of anaemia among currently married women with high-risk fertility behaviour (HRFB) based on age, parity and birth spacing indicators. DESIGN Cross-sectional study. SETTINGS AND PARTICIPANTS Fifth round of the National Family Health Survey (NFHS) was conducted in India (2019-2021) and included a nationally representative sample of 724, 115 women in the reproductive age group (15-49). Our analysis focused exclusively on married women who had given birth in the preceding 5 years. PRIMARY AND SECONDARY OUTCOME MEASURES The prevalence of anaemia with HRFB was the primary outcome, and the likelihood of having anaemia due to HRFB was the secondary outcome. DATA AND METHODS Secondary data analysis of the NFHS-5 (2019-2021) datasets was done using a weighted analysis to determine anaemia prevalence in different HRFB categories. Bivariate analysis was done using the χ2 test, and multiple binary logistic regression analyses were done to estimate the odds of having anaemia due to HRFB after adjusting for known confounders. A p value <0.05 was reported as statistically significant. RESULTS The final analysis comprised 145,468 women, of whom 59.1% had anaemia. About 53.1% of women depicted 'No risk' fertility behaviour, and 34.6% and 12.3% had single and multiple HRFB. Women with 'no-risk,' single and multiple HRFB had anaemia prevalence rates of 58.1%, 59.4% and 63.1%, respectively. Women with 'Single risk' had an 18% higher likelihood (1.18; 1.13-1.22) of having anaemia after controlling for confounding variables, compared with the HRFB category with 'No risk.' Women with 'Multiple risks' showed a 6% higher likelihood (adjusted OR 1.06; 95% CI 1.03 to 1.08). CONCLUSIONS Anaemia remains a prevalent issue in India, and HRFB is observed as a significant contributing factor. This vulnerable group can be targeted through multiple interventions and further our efforts to realise our anaemia-related goals.
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Affiliation(s)
- Milan Das
- International Institute for Population Sciences, Mumbai, Maharashtra, India
| | - Madhur Verma
- Department of Community and Family Medicine, All India Institute of Medical Sciences, Bathinda, Punjab, India
| | - Papai Barman
- International Institute for Population Sciences, Mumbai, Maharashtra, India
| | - Deepak Kumar Behera
- Economics and Finance Department, The Business School, RMIT International University of Vietnam, Ho Chi Minh, Vietnam
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Serati M, Espuña-Pons M, Mouton-Puglisi A, Padoa A. Iron deficiency and sexual dysfunction in women. Sex Med Rev 2023; 11:342-348. [PMID: 37433756 DOI: 10.1093/sxmrev/qead028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/25/2023] [Accepted: 05/26/2023] [Indexed: 07/13/2023]
Abstract
INTRODUCTION Sexual dysfunction negatively affects approximately 40% to 50% of adult women across various stages of life. Common risk factors include sexual traumas, relationship problems, chronic conditions, medication side effects, and poor physical health, including iron deficiency. OBJECTIVES This review summarizes a presentation from a symposium that discussed the types and causes of sexual dysfunction at key times in women's lives, focusing on the relationship between iron deficiency and sexual dysfunction. METHODS The symposium was held at the XV Annual European Urogynaecological Association Congress, Antibes, France, in October 2022. Symposium content was identified through literature searches of PubMed. Original research, review articles, and Cochrane analyses discussing sexual dysfunction in association with iron deficiency/anemia were included. RESULTS Iron deficiency in women is commonly caused by abnormal uterine bleeding, but women may develop iron deficiency anemia (IDA) because of increased iron needs or reduced iron intake/absorption. Treatment with oral iron supplementation has been shown to improve sexual function in women with IDA. Ferrous sulphate is considered as a standard of care for oral iron treatment; prolonged-release iron formulations have improved tolerability, enabling lower doses and better tolerability. CONCLUSION IDA and sexual dysfunction are related, so the identification of sexual dysfunction or iron deficiency in a woman should prompt an investigation of the other condition. Testing for iron deficiency is an inexpensive and simple step that can be routinely included in the workup of women with sexual dysfunction. Once identified, IDA and sexual dysfunction in women should be treated and followed to optimize quality of life.
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Affiliation(s)
- Maurizio Serati
- Urogynaecology Unit, Department of Obstetrics and Gynaecology, University of Insubria, 21100 Varese, Italy
| | - Montserrat Espuña-Pons
- Department of Obstetrics and Gynecology, University of Barcelona, 08036 Barcelona, Spain
| | | | - Anna Padoa
- Department of Obstetrics and Gynecology, Shamir Assaf Harofe Medical Center, 7033001 Tsrifin, Israel
- Sackler School of Medicine, Tel Aviv University, 6997801 Tel Aviv, Israel
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McHugh J, Alexander M, Kudesia R, Krant J, Comander A, Tollefson M, Geyer C. Living Your Best Life: Lifestyle Medicine for All Women. Am J Lifestyle Med 2022; 16:577-588. [PMID: 36072687 PMCID: PMC9442465 DOI: 10.1177/15598276221087677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In an era of ever-increasing healthcare expenditures, yet simultaneously worsening outcomes, many of our patients choose between traditional medical care or often unproven alternative therapies. While the recognition of lifestyle change in addressing cardiovascular and metabolic disease grows, there is less understanding of the impact of lifestyle change on issues facing women every day. Millions of women around the globe struggle with infertility, cancer, sexual dysfunction, and dermatologic needs. Yet, research on the benefits of lifestyle change on these conditions is scarce, and gaps exist both in our understanding of evidence-based approaches to address these issues, as well as adequate provider education when evidence exists. The Women’s Health Member Interest Group convened medical experts in these areas that affect women’s lives to provide insights and meaningful education applicable not only for our patients, but also in our own lives.
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Affiliation(s)
- John McHugh
- USC Keck School of Medicine, Corona del Mar, CA, USA
- Boston University School of Medicine, Las Vegas, NV, USA
- CCRM Fertility Houston & Houston Methodist Hospital, Houston, TX, USA
- SUNY Downstate Medical Center, New York, NY, USA
- Massachusetts General Hospital Cancer Center, Boston, MA, USA
| | - Megan Alexander
- USC Keck School of Medicine, Corona del Mar, CA, USA
- Boston University School of Medicine, Las Vegas, NV, USA
- CCRM Fertility Houston & Houston Methodist Hospital, Houston, TX, USA
- SUNY Downstate Medical Center, New York, NY, USA
- Massachusetts General Hospital Cancer Center, Boston, MA, USA
| | - Rashmi Kudesia
- USC Keck School of Medicine, Corona del Mar, CA, USA
- Boston University School of Medicine, Las Vegas, NV, USA
- CCRM Fertility Houston & Houston Methodist Hospital, Houston, TX, USA
- SUNY Downstate Medical Center, New York, NY, USA
- Massachusetts General Hospital Cancer Center, Boston, MA, USA
| | - Jessica Krant
- USC Keck School of Medicine, Corona del Mar, CA, USA
- Boston University School of Medicine, Las Vegas, NV, USA
- CCRM Fertility Houston & Houston Methodist Hospital, Houston, TX, USA
- SUNY Downstate Medical Center, New York, NY, USA
- Massachusetts General Hospital Cancer Center, Boston, MA, USA
| | - Amy Comander
- USC Keck School of Medicine, Corona del Mar, CA, USA
- Boston University School of Medicine, Las Vegas, NV, USA
- CCRM Fertility Houston & Houston Methodist Hospital, Houston, TX, USA
- SUNY Downstate Medical Center, New York, NY, USA
- Massachusetts General Hospital Cancer Center, Boston, MA, USA
| | - Michelle Tollefson
- USC Keck School of Medicine, Corona del Mar, CA, USA
- Boston University School of Medicine, Las Vegas, NV, USA
- CCRM Fertility Houston & Houston Methodist Hospital, Houston, TX, USA
- SUNY Downstate Medical Center, New York, NY, USA
- Massachusetts General Hospital Cancer Center, Boston, MA, USA
| | - Cynthia Geyer
- USC Keck School of Medicine, Corona del Mar, CA, USA
- Boston University School of Medicine, Las Vegas, NV, USA
- CCRM Fertility Houston & Houston Methodist Hospital, Houston, TX, USA
- SUNY Downstate Medical Center, New York, NY, USA
- Massachusetts General Hospital Cancer Center, Boston, MA, USA
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Li T, Luo Y, Meng Y, Yue J, Nie M, Fan L, Tong C. Sexual Activity and Related Factors of Older Women in Hunan, China: A Cross-Sectional Study. J Sex Med 2022; 19:302-310. [PMID: 34973899 DOI: 10.1016/j.jsxm.2021.11.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 11/21/2021] [Accepted: 11/29/2021] [Indexed: 11/23/2022]
Abstract
BACKGROUND Sexuality has an important impact on people's physical and mental health, but current research on the sexual activity of older Chinese women has many limitations and more detailed studies are needed. AIM The objective was to determine the prevalence of sexual activity and related factors in women aged 55 to 85 years in Hunan, China. METHODS Based on the data from the Hunan Provincial Women Health Needs Survey in 2018, we conducted a secondary analysis of 2,401 older women aged 55 and above. The dependent variable was sexual activity, and independent variables included sociodemographic characteristics, health behaviors, reproductive and chronic medical history, and psychological characteristics. All statistical analyses were performed using SPSS 26.0. Chi-square test was used to assess the association between categorical variables, and binary logistic regression was used to examine factors related to sexual activity. OUTCOMES Sexual activity and related factors. RESULTS The prevalence of sexual activity among older women was 12.5% (301/2401) in the past month. Having a partner (OR = 1.484; 95% CI, 1.048-2.101; P = .026), jogging (OR = 2.061; 95% CI, 1.391-3.054; P < .001), dancing (OR = 1.477; 95% CI, 1.106-1.974; P = .008), vegetarian-based diet (OR = 2.197; 95% CI, 1.334-3.618; P = .002), meat-based diet (OR = 2.196; 95% CI, 1.144-4.216; P = .018) were positively associated with being sexually active. Whereas, aging (OR = 0.781; 95% CI, 0.647-0.942; P = .010), living in the urban (OR = 0.628; 95% CI, 0.488-0.808; P < .001), hypertension (OR = 0.702; 95% CI, 0.520-0.949; P = .021), and anxiety (OR = 0.680; 95% CI, 0.475-0.972; P = .034) were negatively associated with being sexually active. CLINICAL IMPLICATIONS Health care workers need to be aware that older women still have sexual activity and understand the needs of older women for sex education, take the initiative to discuss safe sex with them, and solve their sexual problems. STRENGTHS AND LIMITATIONS This is one of the largest studies to determine the prevalence of sexual activity among older women in China and its related factors. In addition, new factors such as exercise types and eating habits related to sexual activity were discovered. The limitation of this study is that it did not use a specific questionnaire to assess the sexual activity and did not consider physical tenderness other than sexual intercourse. CONCLUSIONS Some older women still have had sexual activity in the past month and factors such as lifestyles that can be changed and chronic diseases that can be self-managed were found to predict sexual activity. Li T, LuoY, Meng Y, et al. Sexual Activity and Related Factors of Older Women in Hunan, China: A Cross-Sectional Study. J Sex Med 2022;19:302-310.
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Affiliation(s)
- Ting Li
- Xiangya Nursing School of Central South University, Changsha, Hunan province, China
| | - Yang Luo
- Xiangya Nursing School of Central South University, Changsha, Hunan province, China.
| | - Yanting Meng
- Xiangya Nursing School of Central South University, Changsha, Hunan province, China
| | - Jing Yue
- Xiangya Nursing School of Central South University, Changsha, Hunan province, China
| | - Ming Nie
- Xiangya Nursing School of Central South University, Changsha, Hunan province, China
| | - Ling Fan
- Xiangya Nursing School of Central South University, Changsha, Hunan province, China
| | - Chenxi Tong
- Xiangya Nursing School of Central South University, Changsha, Hunan province, China
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Kudesia R, Alexander M, Gulati M, Kennard A, Tollefson M. Dietary Approaches to Women's Sexual and Reproductive Health. Am J Lifestyle Med 2021; 15:414-424. [PMID: 34366740 PMCID: PMC8299929 DOI: 10.1177/15598276211007113] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 03/11/2021] [Accepted: 03/15/2021] [Indexed: 12/26/2022] Open
Abstract
Over the course of the reproductive life span, it is common for women to experience one or more of the most common gynecologic conditions, including sexual dysfunction, polycystic ovary syndrome, fibroids, endometriosis, and infertility. Although current management guidelines often turn to the established pharmaceutical approaches for each of these diagnoses, the scientific literature also supports an evidence-based approach rooted in the paradigm of food as medicine. Achieving healthy dietary patterns is a core goal of lifestyle medicine, and a plant-forward approach akin to the Mediterranean diet holds great promise for improving many chronic gynecologic diseases. Furthermore, creating an optimal preconception environment from a nutritional standpoint may facilitate epigenetic signaling, thus improving the health of future generations. This state-of-the-art review explores the literature connecting diet with sexual and reproductive health in premenopausal women.
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Affiliation(s)
- Rashmi Kudesia
- Houston Methodist Hospital and CCRM Fertility Houston, Texas
| | | | - Mahima Gulati
- Division of Endocrinology, Diabetes, and Metabolism, Middlesex Health, Middletown, Connecticut
| | - Anne Kennard
- Marian Regional Medical Center, San Luis Obispo, California
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Chou J, Kiebalo T, Jagiello P, Pawlaczyk K. Multifaceted Sexual Dysfunction in Dialyzing Men and Women: Pathophysiology, Diagnostics, and Therapeutics. Life (Basel) 2021; 11:life11040311. [PMID: 33918412 PMCID: PMC8065963 DOI: 10.3390/life11040311] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/30/2021] [Accepted: 03/31/2021] [Indexed: 12/12/2022] Open
Abstract
Patient survival continues to increase with the growing quality of dialysis and management of chronic kidney disease (CKD). As such, chronic therapy must include considerations of quality of life (QOL), and this includes the disproportionate prevalence of sexual dysfunction (SD) in this patient population. This review aims to describe the pathophysiological and the psychosocial causes of SD with regard to renal replacement therapy, particularly hemo- and peritoneal dialysis. The differences in its manifestation in men and women are compared, including hormonal imbalances—and therefore fertility, libido, and sexual satisfaction—the experience of depression and anxiety, and QOL. The impact of comorbidities and the iatrogenic causes of SD are described. This review also presents validated scales for screening and diagnosis of SD in CKD patients and outlines novel therapies and strategies for the effective management of SD. Increased prevalence of CKD invariably increases the number of patients with SD, and it is crucial for health care professional teams to become familiar with the clinical tools used to manage this sensitive and under-quantified field. As a known predictor of QOL, sexual function should become a point of focus in the pursuit of patient-centered care, particularly as we seek to achieve as “normal” a life as possible for individuals who receive dialysis.
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Lone NM, Shah SHS, Farooq M, Arif M, Younis S, Riaz S. Role of TMPRSS6 rs855791 (T > C) polymorphism in reproductive age women with iron deficiency anemia from Lahore, Pakistan. Saudi J Biol Sci 2021; 28:748-753. [PMID: 33424363 PMCID: PMC7785418 DOI: 10.1016/j.sjbs.2020.11.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 10/20/2020] [Accepted: 11/01/2020] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Iron deficiency anemia (IDA) is the highest nutritional deficiency worldwide. It is a multifactorial disease, with a higher morbidity rate. TMPRSS6 polymorphisms importantly rs855791 is found to play an essential role in iron homeostasis in the human body. The rs855791 (T > C) polymorphism is highly associated with iron levels, and multiple blood parameters, leading to IDA. The role of TMPRSS6 rs855791 polymorphism and the significance of complete blood count (CBC) parameters in the pathogenesis of IDA is not yet studied in the Pakistani population. METHODS We enrolled 113 cases and 136 controls to conduct a case control study. Complete blood count (CBC) and iron parameters were analyzed for association studies. PCR-RFLP based genotyping was performed. RESULTS The TMPRSS6 rs855791 (T > C) polymorphism is significantly associated with IDA pathogenesis as observed in the codominant model and recessive models (P < 0.05, OR: 1.5 and 95% CI: 0.9, 2.6, P < 0.05, OR: 0.5 and 95% CI: 0.2, 0.9 respectively). Elderly women among cases (30-49 years) were found to be more susceptible to IDA (P < 0.05, AOR: 2.1 and 95% CI: 1.0, 4.2). The most significant parameters associated with IDA were red blood cell count (RBC) and hematocrit (Hct%) (P < 0.05, AOR: 16.5, 95% CI: 7.6, 35.9 and P < 0.05, AOR: 10.1, 95% CI: 2.5, 41.6, respectively). CONCLUSION TMPRSS6 polymorphism at rs855791 (T > C) is significantly associated with IDA susceptibility in reproductive age women in Pakistan. Age, RBC count and Hct% are found to play an important role in IDA pathogenesis in our study population.
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Key Words
- CBC, Complete blood count
- Fe, Iron
- Ferritin
- GWAS, gGenome wide association studies
- Hb, Hemoglobin
- Hct%, Hematocrit%
- Hemoglobin
- ID, Iron deficiency
- IDA
- IDA, Iron deficiency anemia
- IRIDA, Iron refractory iron deficiency anemia
- MCH, Mean corpuscular hemoglobin
- MCHC, Mean corpuscular hemoglobin concentration
- MCV, Mean corpuscular volume
- PCR-RFLP, Polymerase chain reaction- restriction length polymorphism
- Rs855791 (T>C)
- SNP, Single nucleotide polymorphisms
- TIBC, Total iron binding capacity
- TMPRSS6
- WHO, World health organization
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Affiliation(s)
- Nasira Munawar Lone
- Department of Microbiology and Molecular Genetics, University of the Punjab, Lahore, Pakistan
| | | | - Mariya Farooq
- Department of Microbiology and Molecular Genetics, University of the Punjab, Lahore, Pakistan
| | - Mizna Arif
- Citi Lab and Research Center Lahore, Pakistan
- Department of Pathology, Ameer ud din Medical College, General Hospital, Lahore, Pakistan
| | - Sidra Younis
- Department of Biological Sciences, National University of Medical Sciences, Abid Majeed Road, Rawalpindi, Pakistan
| | - Saba Riaz
- Department of Microbiology and Molecular Genetics, University of the Punjab, Lahore, Pakistan
- Citi Lab and Research Center Lahore, Pakistan
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Towe M, La J, El-Khatib F, Roberts N, Yafi FA, Rubin R. Diet and Female Sexual Health. Sex Med Rev 2020; 8:256-264. [DOI: 10.1016/j.sxmr.2019.08.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 08/18/2019] [Accepted: 08/18/2019] [Indexed: 01/23/2023]
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Rafiee A, Delgado-Saborit JM, Sly PD, Quémerais B, Hashemi F, Akbari S, Hoseini M. Environmental chronic exposure to metals and effects on attention and executive function in the general population. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 705:135911. [PMID: 31838411 DOI: 10.1016/j.scitotenv.2019.135911] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 10/16/2019] [Accepted: 12/01/2019] [Indexed: 05/19/2023]
Abstract
Heavy metals are neurotoxic, associated with brain dysfunction, and have been linked with cognitive decline in adults. This study was aimed to characterize chronic exposure to metals (Cd, Be, Co, Hg, Sn, V, Al, Ba, Cr, Cu, Fe, Li, Mn, Ni, Pb, and Zn) and metalloids (As, B, Sb) and assess its impact on cognitive performance of Tehran's residents, capital of Iran. Scalp hair samples gathered from 200 volunteered participants (110 men and 90 women), aged 14-70 years and quantified by inductively coupled plasma atomic emission spectroscopy (ICP-OES). Attention and executive function, two measures of cognitive performance, were characterized using the trail making test (TMT) part A and B, respectively. Mental flexibility was characterized as the Delta TMT B-A scores and cognitive efficiency or dissimulation as the ration between TMT B and A scores. A comprehensive questionnaire was used to gather information on demographic and socioeconomic as well as lifestyle and health status. The highest and lowest mean concentrations were observed for B (325 μg/g) and As (0.29 μg/g), respectively. Results indicated that chronic metal exposure measured in hair changed significantly based on gender and age (p < 0.05). The levels of Cr, Fe, Ni, Si, Hg, Pb and B were significantly higher in males' hair, whereas those of Ag and Ba were greater in females' hair (p < 0.05). The results of the cognitive TMT test were significantly different between gender and age groups (p < 0.05). Moreover, results revealed that As, Hg, Mn, and Pb levels in hair were significantly associated with poorer participants' performance scores in the TMT test (p < 0.05). Age, gender, cigarette smoking, water-pipe smoking, traffic density in the area of residence, and dental amalgam filling were significant factors affecting the TMT test scores. The results suggest that chronic exposure to metals has detrimental effects on attention, executive function, mental flexibility and cognitive efficiency.
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Affiliation(s)
- Ata Rafiee
- Department of Medicine, University of Alberta, Edmonton, AB, Canada.
| | - Juana Maria Delgado-Saborit
- ISGlobal Barcelona Institute for Global Health, Barcelona Biomedical Research Park, Barcelona, Spain; Population Health and Environmental Sciences, Analytical Environmental and Forensic Sciences, King's College London, United Kingdom; Division of Environmental Health & Risk Management, School of Geography, Earth & Environmental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Peter D Sly
- Children's Health and Environment Program, Child Health Research Centre, The University of Queensland, South Brisbane, Australia
| | | | - Fallah Hashemi
- Department of Environmental Health, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sadaf Akbari
- Trauma and Injury Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hoseini
- Research Center for Health Sciences, Institute of Health, Department of Environmental Health, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran.
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