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Showing 5 results for Systematic Review

Seyed Abdolvahab Taghavi, Fatemeh Bazarganipour, Ali Montazeri, Anoshirvan Kazemnejad, Reza Chaman, Ahmad Khosravi,
Volume 13, Issue 8 (9-2015)
Abstract

Background: Increasing attention to the concept of polycystic ovary syndrome (PCOS) health-related quality of life has led to the development of tool that aims to measure this concept.
Objective: The purpose of this study was to conduct a systematic review of psychometric properties of the PCOS health-related quality of life questionnaire.
Materials and Methods: A search of database (Pubmed, PsychInfo, CINAHL, CENTRAL, Scopus and SID) from January1998 to December 2013 yielded 6152 references of which 27 papers remained after review of the titles and abstracts. The reviewers used structural tools to analyze the articles, critically appraise papers, and extract the data. Finally, eight papers met the full inclusion criteria.
Results: Studies suggested that the PCOS health-related quality of life questionnaire (PCOSQ)/or its modified version (MPCOSQ) have partial known groups validity. The convergent/divergent validity of the questionnaire also was found to be relatively acceptable. The PCOSQ/MPCOSQ reached acceptable benchmarks for its reliability coefficients. Regarding structural validity, some studies suggested that the PCOSQ/MPCOSQ have an extra dimension (related to menstruation) in addition to its existing dimensions for original or modified versions.
Conclusion: The PCOSQ/MPCOSQ showed acceptable content and construct validity, reliability and internal consistency. However, some other properties, particularly those related to factor and longitudinal validity, absolute error of measurement, minimal clinically important difference and responsiveness still need to be evaluated.
Masumeh Ghazanfarpour, Ramin Sadeghi, Somayeh Abdolahian, Robab Latifnejad Roudsari,
Volume 14, Issue 3 (3-2016)
Abstract

Background: Hot flashes are the most common symptoms experienced by women around the time of menopause. Many women are interested in herbal medicines because of fear of side effects of hormone therapy.
Objective: The aim of this systematic review was to assess the effectiveness of Iranian herbal medicines in alleviating hot flashes.
Materials and Methods: MEDLINE (1966 to January 2015), Scopus (1996 to January 2015), and Cochrane Central Register of Controlled Trials (The Cochrane Library, issue 1, 2015) were searched along with, SID, Iran Medex, Magiran, Medlib and Irandoc. Nineteen randomized controlled trials met the inclusion criteria.
Results: Overall, studies showed that Anise (Pimpinella anisum), licorice (Glycyrrhizaglabra), Soy, Black cohosh, Red clover, Evening primrose, Flaxseed, Salvia officinalis, Passiflora، itex Agnus Castus, Piascledine (Avacado plus soybean oil), St. Johnchr('39')s wort (Hypericum perforatum), and valerian can alleviate the side effects of hot flashes.
Conclusion: This research demonstrated the efficacy of herbal medicines in alleviating hot flashes, which are embraced both with people and health providers of Iran Therefore, herbal medicine can be seen as an alternative treatment for women experiencing hot flashes.
Farzad Roshanzamir, Seyyed Morteza Safavi,
Volume 15, Issue 1 (1-2017)
Abstract

Background: D-Aspartic acid (D-Asp) is in invertebrate and vertebrate neuroendocrine tissues, where it carries out important physiological functions. Recently, it has been reported that D-Asp is involved in the synthesis and release of testosterone and is assumed can be used as a testosterone booster for infertile men, and by athletes to increase muscle mass and strength.
Objective: The aim of this review is to summarize available evidence related to the effects of D-Asp on serum testosterone levels.
Materials and Methods: We conducted a systematic review of all type studies, which evaluated the effect of the D-Asp on blood testosterone including published papers until October 2015, using PubMed, ISI Web of Science, ProQuest and Scopus database.
Results: With 396 retrieved records, 23 animal studies and 4 human studies were included. In vivo and in vitro animal studies revealed the effect of D-Asp depending on species, sex and organ-specific. Our results showed that exogenous D-Asp enhances testosterone levels in male animal’s studies, whereas studies in human yielded inconsistent results. The evidence for this association in man is still sparse, mostly because of limited number and poor quality studies.
Conclusion: There is an urgent need for more and well-designed human clinical trials with larger sample sizes and longer duration to investigate putative effects of D-Asp on testosterone concentrations.
Mehdi Ranjbaran, Reza Omani Samani, Amir Almasi-Hashiani, Pegah Matourypour, Ashraf Moini,
Volume 15, Issue 11 (11-2017)
Abstract

Background: Premenstrual syndrome (PMS) is a common disorder characterized by physical, mental and behavioral changes in the luteal phase of the menstrual cycle in the reproductive age women.
Objective: The present study aimed to determine the overall prevalence of PMS in Iran by a systematic review and meta-analysis study.
Materials and Methods: In this systematic review and meta-analysis, we searched international databases included ISI Web of Knowledge, PubMed/Medline, Scopus, Google Scholar, and also local databases including Iranmedex, Scientific Information Database, and Magiran for articles in English and Persian language published up to September 2016. We carried out data analysis with Stata version 11. We examined heterogeneity in the results of studies through I2 statistics and Chi-square based Q test. Also, we investigated the effects of potential heterogeneity factors in the prevalence of PMS by meta-regression.
Results: We studied a total of 9147 reproductive-age women from 24 articles which entered to meta-analysis. Based on the result of random effect model, we estimated the overall prevalence of PMS 70.8% [95% CI: 63.8-77.7]. The results of subgroup analysis revealed that prevalence of PMS was 80.4% (95% CI; 66.9-93.9) among high school students, 68.9% (95% CI; 59.2-78.6) among university students, and 54.9% (95% CI; 51.6-58.2) in general population. Univariate meta-regression model showed that prevalence of PMS was decreased by increasing the age of subjects but this was not statistically significant (p=0.155).
Conclusion: Our finding showed that PMS was prevalent in Iranian reproductive age women especially among high school students. More epidemiological research for determining factors that affect PMS prevalence seems essential.
Zahra Hadizadeh-Talasaz, Ali Taghipour, Seyede Hoora Mosavi-Vahed, Robab Latifnejad Roudsari,
Volume 18, Issue 6 (6-2020)
Abstract

Background: For a woman with bleeding and threatened abortion, ultrasound scan is done to confirm the viability of the fetus; however, 10-15% of the embryos are eventually aborted. Distinguishing between women with good and poor prognosis can be a helpful approach.
Objective: This study aimed to review the predictive value of Pregnancy-associated Plasma Protein A (PAPP-A) in relation to the diagnosis of fetal loss.
Materials and Methods: The articles published in multiple databases including Web of Science, PubMed, MEDLINE, Scopus, and Persian databases such as ISC, Magiran, and IranMedx were searched for articles published until May 2019. MeSH terms was used for searching the databases including fetal loss OR pregnancy loss OR abortion OR miscarriage with the following word using AND; Pregnancy-Associated Plasma Protein-A OR PAPP-A. Two reviewers extracted data and recorded them in a pre-defined form and assessed the quality of articles using the Newcastle-Ottawa tool. Meta-analysis was done using the Comprehensive Meta-Analysis/2.0 software and MetaDisc.
Results: A total number of 16 studies were eligible for the qualitative data synthesis, out of which 8 studies were included in the meta-analysis. All studies had high and medium quality. The forest plot analysis showed a sensitivity of 57% (95% CI: 53-63%), a specificity of 83% (95% CI: 80-85%), a positive likelihood ratio of 3.52 (95% CI: 2.44-5.07), a negative likelihood ratio of 0.54 (95% CI: 0.37-0.79), and a diagnostic odds ratio of 6.95 (95% CI: 3.58-13.50).
Conclusion: PAPP-A cannot be recommended on a routine basis for predicting fetal loss and still further research with a combination of other biomarkers is required.



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