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Age-, sex-, and height-based blood pressure reference charts, Yazd children 6-18 years, Iran
ahmadi, Nastaran,Namayandeh, Seyedeh Mahdieh,Bafghi, Seyed Mahmood Sadr,Mohammadi, Mohammad Reza,Mirzaei, Masoud,Sarebanhassanabadi, Mohammadtaghi,Mehrparvar, Amir Houshang,Faraji, Reza,Nilforoshan, N The Korean Pediatric Society 2020 Clinical and Experimental Pediatrics (CEP) Vol.63 No.8
Background: Pediatric hypertension is the main cause of morbidity and mortality in pediatric populations. Purpose: To examine pediatric hypertension in a clinical setting, we used the percentile rank approach and defined hypertension as that above the 95th percentile. Methods: The present study was linked to the a national analytical cross-sectional community-based Iranian Children and Adolescents' Psychiatric Disorders (IRCAP) survey. The survey was nationwide and funded by the National Institute of Medical Research Development. The IRCAP survey included 31,000 children and adolescents aged 6-18 years in all 31 Iran provinces. The current study included 1,035 children and adolescents and linked the data of the risk factors of cardiovascular disease only in Yazd province via random cluster sampling. Results: Of the total participants, 456 (44.1%) were male and 579 (55.9%) were female. The mean age was 11.2±3.8 years (11.7±3.7 years for males, 11.0±3.6 years for females), while mean height was 146±20.0 cm overall, 147.2±22.0 cm for males, and 144.6±17.0 cm for females (P=0.009). The blood pressure distributions and percentiles were evaluated. Conclusion: Here we determined age- and height-specific 50th, 90th, 95th, and 99th percentiles of systolic and diastolic blood pressures in Yazd boys and girls using 10-cm height intervals.
Keshvari, Amir,Badripour, Abolfazl,Keramati, Mohammad Reza,Kazemeini, Alireza,Behboudi, Behnam,Fazeli, Mohammad Sadegh,Rahimpour, Ehsan,Ghaffari, Parisa,Tafti, Seyed Mohsen Ahmadi 대한대장항문학회 2022 Annals of Coloproctolgy Vol.38 No.3
Purpose: Anastomotic leakage, a known major postoperative complication, potentially leads to readmission, reoperation, and increased mortality rates in patients, such as rectal cancer patients following a low anterior resection (LAR). Currently, vacuum-assisted closure, as featured by B-Braun (B-Braun Medical B.V.), is already being used for the treatment of gastrointestinal leakages and fistulas. The main aim of this study was to introduce a novel method for creating a vacuum-assisted drain for the treatment of anastomotic leakage after LAR. Methods: All 10 patients, who underwent LAR surgery from 2018 to 2019, were diagnosed with anastomotic leakage and had received neoadjuvant chemotherapy prior to surgery. Therefore, patients were treated with a handmade vacuum-assisted drain and were revisited every 5 to 7 days for further evaluations and drain replacement until leakage resolution. Physical features of cavity, time of diagnose, and duration of treatment were analyzed correspondingly. The handmade vacuum-assisted sponge drain was prepared for each patient in each session of follow-up. Results: Eight out of 10 patients experienced complete closure of the defect. The mean delay time from the day of operation to the diagnosis of anastomotic leakage was 61.0±80.4 days while the mean time for leakage closure was 117.6±68.3 days. Eventually, 7 cases underwent ileostomy reversal with no complications during a 3-month follow-up. Conclusion: In this study, we evaluated the healing process of anastomotic leakage after the usage of a handmade vacuum-assisted sponge drain in a case series method. In our trial, we provided an innovative cost-benefit method easily applicable in the operating room.
Pre-pregnancy Body Mass Index and Maternal Nutrition in Relation to Infant Birth Size
Shabbou Ahmadi Bonakdar,Ahmad Reza Dorosty Motlagh,Mohammad Bagherniya,Golnaz Ranjbar,Reza Daryabeygi-Khotbehsara,Seyed Amir Reza Mohajeri,Mohammad Safarian 한국임상영양학회 2019 Clinical Nutrition Research Vol.8 No.2
This cross-sectional study examined the relationship between maternal pre-pregnancy body mass index (BMI) and dietary intake on birth size in the north-east part of Iran. Maternal information including BMI and dietary intake from 453 healthy pregnant women were collected in 2013–2014. Maternal pre-pregnancy BMI were obtained from health records and dietary intakes in third trimester were collected by using a validated food frequency questionnaire (FFQ), which consisted of 160 Iranian foods. Anthropometric measurements of neonates including weight, height, and head circumference were 3.19 ± 0.49 kg, 50.24 ± 2.1 cm, and 34.61 ± 1.5 cm, respectively. A significant difference was found in neonatal birth weight (p < 0.001) and head circumference (p = 0.002) between underweight and obese mothers. Furthermore, maternal intake of fat had a direct correlation with birth size. There was a positive relationship between vitamin A and potassium intake and birth height. The article concludes that normal maternal pre-pregnancy weight and appropriate diet are likely essential for healthy babies.
Design parameter study on the performance of lead-acid batteries
Vahid Esfahanian,Amir Babak Ansari,Hassan Bahramian,Pooyan Kheirkhah,Goodarz Ahmadi 대한기계학회 2014 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.28 No.6
The investigation of design parameters is very helpful for optimizing the capacity of an electrochemical cell, which can be done byboth experimental and numerical methods. In this study, a lead-acid battery has been simulated numerically using the CFD commercialsoftware package FLUENT. The governing equations, including conservation of charge in solid and liquid phases and conservation ofspecies, are solved by developing several user defined functions (UDF). The effect of some basic parameters such as electrode porosity,discharge current density, and width of the electrodes and separator on the cell voltage behavior of a lead-acid battery is investigated. Ithas been shown that increasing the width and porosity of separator has both positive and negative effects on the performance parametersof battery. Furthermore, a thicker PbO2 electrode has a more pronounced effect than a thicker Pb one.
Bayat, Zeynab,Ahmadi-Motamayel, Fatemeh,Salimi Parsa, Mohadeseh,Taherkhani, Amir Korea Genome Organization 2021 Genomics & informatics Vol.19 No.4
Salivary gland carcinoma (SGC) is rare cancer, constituting 6% of neoplasms in the head and neck area. The most responsible genes and pathways involved in the pathology of this disorder have not been fully understood. We aimed to identify differentially expressed genes (DEGs), the most critical hub genes, transcription factors, signaling pathways, and biological processes (BPs) associated with the pathogenesis of primary SGC. The mRNA dataset GSE153283 in the Gene Expression Omnibus database was re-analyzed for determining DEGs in cancer tissue of patients with primary SGC compared to the adjacent normal tissue (adjusted p-value < 0.001; |Log2 fold change| > 1). A protein interaction map (PIM) was built, and the main modules within the network were identified and focused on the different pathways and BP analyses. The hub genes of PIM were discovered, and their associated gene regulatory network was built to determine the master regulators involved in the pathogenesis of primary SGC. A total of 137 genes were found to be differentially expressed in primary SGC. The most significant pathways and BPs that were deregulated in the primary disease condition were associated with the cell cycle and fibroblast proliferation procedures. TP53, EGF, FN1, NOTCH1, EZH2, COL1A1, SPP1, CDKN2A, WNT5A, PDGFRB, CCNB1, and H2AFX were demonstrated to be the most critical genes linked with the primary SGC. SPIB, FOXM1, and POLR2A significantly regulate all the hub genes. This study illustrated several hub genes and their master regulators that might be appropriate targets for the therapeutic aims of primary SGC.
Measurement of Milwaukee Brace Pad Pressure in Adolescent Round Back Deformity Treatment
Taher Babaee,Mojtaba Kamyab,Amir Ahmadi,Mohammad Ali Sanjari,Mohammad Saleh Ganjavian 대한척추외과학회 2017 Asian Spine Journal Vol.11 No.4
Study Design: In this prospective study, we measured the pad pressures of the Milwaukee brace in adolescent hyperkyphosis treatment. Purpose: We evaluated the skin-brace interface forces exerted by the main pads of the Milwaukee brace. Overview of Literature: A fundamental factor associated with brace effectiveness in spinal deformity is pad force adjustment. However, few studies have evaluated the in-brace force magnitude and its effect on curve correction. Methods: Interface forces at four pads of the Milwaukee brace were measured in 73 patients withround back deformity (mean age,14.04±1.97 years [range, 10–18]; mean initial Cobb angle,67.70°±9.23° [range, 50°–86°]). We used a modified aneroid sphygmomanometer to measure the shoulder and kyphosis pad pressures. Each patient underwent measurement in the standing and sitting positions during inhalation/exhalation. Results: The mean pad pressures were significantly higher in the standing than in thesitting position, and significantly higher pressures were observed during inhalation compared toexhalation (p =0.001).There were no statistically significant differences between right and left shoulder pad pressures (p >0.05); however, the pressure differences between the right and left kyphosis pads were statistically significant (p <0.05). In a comparison of corrective forces with bracing for less or more than 6 months, corrective force was larger with bracing for less than 6 months (p =0.02). In the standing position, there were no statistically significant correlations between pad pressures and kyphosis curve correction. Conclusions: In the sitting position, there was a trend toward lower forces at the skin-brace interface; therefore, brace adjustment in the standing position may be useful and more effective. There was no significant correlation between the magnitude of the pad pressures and the degree of in-brace curve correction.
Karimi Mehrdad,Kazemi Amir Hooman,Nareswari Irma,Zarei Azadeh,Zargaran Arman,Moravej Seyed Ali Al-hadi,Jazayeri Seyede Ferdos,Nabavian Omid,Ahmadi Seyedeh Aida,Alipour Reihane 사단법인약침학회 2022 Journal of Acupuncture & Meridian Studies Vol.15 No.3
Acute respiratory distress syndrome (ARDS) is commonly found in critically ill patients with coronavirus disease 2019 (COVID-19). As a non-pharmacological treatment of complementary and alternative medicine (CAM), cupping has been clinically used for respiratory symptoms. We sequentially identified a series of patients with COVID-19 with ARDS who were admitted to the intensive care unit (ICU). Warm cupping of the posterior thorax was performed for seven days. We collected longitudinal severity scores on cough, breathlessness, chest tightness, type of oxygen therapy, and oxygen saturation (SpO 2 ). We hereby report the changes in the severity scores in a series of eight patients who received 21 sessions of cupping in addition to conventional treatments. All patients reported improvement in symptom scores that was matched by an increase in SpO 2 by as much as 3.16%. All patients were discharged and did not require the use of a mechanical ventilator. The results suggest that combining cupping with conventional treatment may provide a good prognosis for patients with COVID-19 with ARDS.