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Hepatic vessel doppler indices: a study on non- Alcoholic liver disease
Mohammadinia Ar, Bakhtavar K, Ebrahimi-Daryani N, Habibollahi P, Keramati Mr, Fereshtehnejad Sm,
Volume 67, Issue 2 (5 2009)
Abstract

Normal 0 false false false EN-GB X-NONE AR-SA MicrosoftInternetExplorer4 !mso]> ject classid="clsid:38481807-CA0E-42D2-BF39-B33AF135CC4D" id=ieooui> Background: Duplex Doppler ultrasonography (US) has newly suggested, being an important diagnostic technique in the non-invasive evaluation of hepatic vasculature and some hepatic parenchymal diseases. New findings suggest that diffuse fatty infiltration of liver can alter normal hepatic vein and artery doppler indices. The following study has been performed to evaluate the effect of fatty infiltration on hepatic artery resistance index and hepatic vein waveform patterns.
Methods: Sixty patients with various degrees of fatty infiltration on liver biopsy and twenty normal subjects without any sign of hepatic fat infiltration in ultrasonography examined using standard colour and spectral doppler sonography. The waveforms of Hepatic Vein were classified into three groups: regular triphasic waveform, biphasic waveform without a reverse flow, and monophasic or flat waveform. The hepatic artery resistance index was calculated as the mean of three different measurements.
Results: The mean BMI in Nonalcoholic fatty liver disease group and normal subjects was 26.9(SD=3.3) and 22.4(SD=1.7) Kg/m2, respectively with a range of 22 up to 44 Kg/m2. Abnormal Hepatic Vein waveforms (biphasic and monophasic) were found more frequently in doppler sonography (p<0.001) in patients with Nonalcoholic fatty liver disease (12 biphasic and 17 monophasic) compared to normal subjects. Hepatic artery resistance index was significantly lower in Nonalcoholic fatty liver disease patients [0.7(SD=0.1)] compared to normal ones [0.8(SD=0.0)] (p<0.001).
Conclusions: The incidence of abnormal hepatic vein waveforms is significantly higher in patients with fatty infiltration compared to those who had no abnormality in liver ultrasonography and these patients had a significant lower hepatic artery resistance index. supportFields]> ADDIN EN.CITE  ADDIN EN.CITE.DATA l> 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Standardization and validation of the ASQ developmental disorders screening tool in children of Tehran city
Sajedi F, Vameghi R, Kraskian Mojembari A, Habibollahi A, Lornejad H, Delavar B,
Volume 70, Issue 7 (6 2012)
Abstract

Background: The aim of this study was to provide a valid Persian version of the Ages and Stages Questionnaires, in order to compensate the lack of developmental screening tools in Iran.
Methods: Forward and backward translation, face and content validity determination, and cultural and linguistic adaptation of the questionnaires were performed, consecutively. Next, a pilot study was carried out on 100 Iranian parents of 4- to 60-month-old children, recruited by consecutive sampling in Tehran, Iran during the year 2006 to determine the degree of clarity for each item and explore cultural adaptations. In order to determine inter-rater reliability, we had parents of 38 children complete the questionnaires. For determining the psychometric properties of the tests, we later recruited a representative sample of 555, 4- to 6-year-old children by consecutive sampling from health care centers in five main geographical areas in Tehran.
Results: Performing cultural and lingual adaptations, our expert team made some inevitable changes to the questionnaires. Almost in all age groups older than 10 months, cultural or linguistic changes were made in items in the “communication” domain. Overall, the questionnaires’ Cronbach alpha was 0.79. The constructive validity of the tests was also satisfactory. Another important finding was determination of the children’s developmental mean scores.
Conclusion: The culturally adapted Persian copies of the Ages and Stages Questionnai-res have proper validity and reliability for being used as developmental screening tools for children in Tehran.


Association of bisphenol a with outcomes of assisted reproductive technologies: a systematic review
Fatemeh Habibollahi, Ghazaleh Eslamian, Kiana Hasibi , Sepehr Khoshbaf Khiabanian , Bentolhosna Dehghan Nayeri , Aref Adeli Mosabbeb ,
Volume 82, Issue 12 (March 2025)
Abstract
Background: Infertility is defined as the failure to achieve pregnancy after one year or more of regular unprotected sexual intercourse. Assisted reproductive technologies (ART) represent a key therapeutic approach for infertile couples. Bisphenol-A (BPA), a compound found in plastic polymer products, has been associated with increased infertility risk. This systematic review addresses whether BPA affects ART outcomes.
Methods: A comprehensive and systematic literature search was conducted across PubMed, Google Scholar, Web of Science, and Scopus up to December 2024 without any language or time restrictions. The search strategy combined relevant keywords and medical subject headings such as “bisphenol A,” “infertility,” “assisted reproductive technology,” “in vitro fertilization,” and “embryo implantation.” All human studies assessing the relationship between BPA exposure and ART outcomes were considered. After removing duplicates and screening titles and abstracts, 23 studies that met the inclusion criteria were reviewed in detail. The selected studies included cross-sectional and prospective cohort designs, and data on sample size, BPA measurement methods, and reproductive endpoints were extracted for qualitative synthesis.
Results: The reviewed studies consistently indicate that exposure to BPA is associated with adverse reproductive outcomes, particularly in women undergoing IVF treatment. Evidence suggests that higher BPA levels correlate with fewer retrieved oocytes, reduced oocyte maturation rates, and impaired ovarian response to hormonal stimulation. Several studies also observed reduced estradiol concentrations and lower fertilization and cleavage rates, leading to decreased implantation success and clinical pregnancy rates. In addition, diminished ovarian reserve markers, such as anti-Müllerian hormone and antral follicle count, have been negatively influenced by BPA exposure. Male factors were also affected, with reports of decreased sperm motility, abnormal morphology, and increased DNA fragmentation, which could compromise embryo quality and early development. Variability in study methodologies, small sample sizes, and differences in BPA detection techniques, however, make direct comparison challenging.
Conclusion: Current evidence supports an inverse association between BPA exposure and fertility outcomes, but further prospective studies with larger sample sizes and more precise measurement methods are needed.

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