Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
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alsfakia@gmail.com

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Κυριακή 6 Ιανουαρίου 2019

Human Biology

Health care: Where are we heading?
Monali Amit Shah

Advances in Human Biology 2019 9(1):1-1



The incidence of brain tumours in Iran: A systematic review and meta-analysis
Soheil Hassanipour, Gholamreza Namvar, Mohammad Fathalipour, Mohammad Ghorbani, Elham Abdzadeh, Saber Zafarshamspour, Shirin Riahi, Abdollah Mohammadian-Hafshejani, Hamid Salehiniya

Advances in Human Biology 2019 9(1):2-7

Background: Brain tumours (BTs) constitute approximately 88% of all central nervous system tumours. The present study aimed to determine the age-standardised rate (ASR) of BTs in Iran. Methods: A comprehensive search was conducted on all studies of BTs incidence using Medline/PubMed, Scopus, Embase, Google Scholar and Web of Sciences as international databases and Scientific Information Database, MagIran, IranMedex and IranDoc as Iranian databases until April 2018. This systematic review was done based on the preferred reporting items for systematic reviews and meta-analyses. Results: The primary search yielded 312 relevant studies. A total of 17 studies were included after more detailed retrieval. The results of the random-effect model were demonstrated the ASR of BTs was 4.16 (95% confidence interval [CI], 3.20–5.12) for males and 3.40 (95% CI, 2.67–4.13) for females. Conclusion: The incidence of BTs is lower in Iran compared to other parts of the world. The incidence of nervous system cancers is increasing base on region, geographical, and economic conditions in Iran. Hence, training programmes can be considered to reduce the risk factors, complications of nervous system cancers and early diagnosis of nervous tumors. 


The effect of placenta abruption on the risk of intrauterine growth restriction: A meta-analysis
Ensiyeh Jenabi, Salman Khazaei, Bita Fereidooni

Advances in Human Biology 2019 9(1):8-11

There is a contradict findings on the effect of placenta abruption on the risk of intrauterine growth restriction (IUGR). Therefore, the objective of present meta-analysis was to identify all the eligible studies to assess the effect of placenta abruption on the risk of IUGR. The major electronic databases, including PubMed, Scopus and Web of Science, were searched to identify relevant published studies. The literature search included 551 articles until January 2018 with 35,201 participants. In the end, a total of seven references were remained for this meta-analysis. Two independent authors reviewed the retrieved the studies and extracted data. I2 statistics was used to assess of heterogeneity. The random effects model was conducted to assess pooled effects size. the results of study showed that placenta abruption has a significant effect on the risk of IUGR based on odds ratio results (2.06; 95% confidence interval: 1.57, 2.55). The result reported of the measure of effect was homogeneous (I2 = 0.0%). we presented based on reports in epidemiological studies that placenta abruption is a risk factor for IUGR. 


Is breech presentation associated with autism spectrum disorders among children: A meta-analysis
Ensiyeh Jenabi, Saeid Bashirian, Salman Khazaei

Advances in Human Biology 2019 9(1):12-15

The meta-analysis of case–control and cohort studies was conducted to obtain the association between breech presentation and the risk of autism spectrum disorder (ASD) among children. The search for relevant studies in major electronic databases was performed including; Web of Science, PubMed and Scopus up to May 2018. The odds ratio (ORs) with 95% confidence intervals (CI) was extracted from eligible studies. The pooled estimate of OR was not indicated a significant association between breech presentation and risk of ASD among children (OR = 1.15, 95% CI = 0.93–1.37), but this association was significant in the unadjusted analysis (OR = 1.32, 95% CI = 1.05–1.58). Our findings were not showed that breech presentation is associated with increased risk of ASD among children. 


The incidence of testicular cancer in Iran from 1996 to 2017: A systematic review and meta-analysis
Soheil Hassanipour, Mohammad Ghorbani, Milad Derakhshan, Hamed Fouladseresht, Shokrollah Mohseni, Elham Abdzadeh, Shirin Riahi, Morteza Arab-Zozani, Hamed Delam, Hamid Salehiniya

Advances in Human Biology 2019 9(1):16-20

Objective: Testicular cancer (TC), although it is one of the most unusual cancers, seems to be increasing. There is no accurate information on the incidence of this cancer in Iran. The present study is conducted to evaluate the incidence rates of TC in Iran. Methods: A systematic search was conducted on all published studies of TC incidence using Medline/PubMed, Scopus, Embase, Web of Science, Google Scholar and four Iranian databases (Scientific Information Database, MagIran, IranMedex and IranDoc) until June 2018. This systematic review was done according to the preferred reporting items for systematic reviews and meta-analyses. Result: The database searching yielded 132 potentially relevant studies. A total of 11 studies were included in the study. The results of the random-effects model were demonstrated that the age-standardised rate (ASR) of TC was 1.13, 95% confidence interval (0.97–1.29) among Iranian males. Conclusion: ASR for TC in Iran is lower than the world average; however, it has a higher incidence than other Asian countries. 


Effect of cryopreservation on the structural and functional integrity of human periodontal ligament stem cells: A systematic review
Rujuta Krishnakant Pandya, Monali Shah, Yesha Shroff, Mrugank Vyas

Advances in Human Biology 2019 9(1):21-27

Aim: The aim of the present systematic review was to assess the effect of cryopreservation on the human periodontal ligament (PDL) stem cells and their ability for periodontal regeneration. Materials and Methods: An electronic search without time restrictions was conducted up to August 2017 in indexed databases using the combination of different keywords including cryopreservation, cryofixation, vitrification and human periodontal ligament stem cells. The exclusion criteria included reviews, commentaries, letters to the editor, interviews and updates. The relevant articles were included and data extraction was processed. Results: Dimethyl sulphoxide was used as a cryoprotectant in all the studies which yielded good results. The magnetic freezing proves to be better than the normal freezer. The cryopreserved cells showed no significant difference for viability, proliferation, and regenerative capacities as compared to the fresh human PDL stem cells (PDLSCs), in vitro as well as in vivo. Conclusion: Cryopreservation of the human PDLSCs would serve as an opportunity for future regenerative therapy for the periodontium. 


The effect of diabetes on nerve–muscle conduction of tibial and peroneal nerve association with habit and habitat in Bikaner Region
Ekta Soni, Priyanka Soni, Jitendra Kumar Acharya

Advances in Human Biology 2019 9(1):28-31

Introduction: Diabetes is due to defect in Beta cell of islets of Langerhans, that is seen in pancreas. This defect is responsible for disturbance in blood glucose level. Other factors which are also responsible includes diet, hereditary, immunological factor, lack of exercise etc., The damage to nerves in DM has been assumed to be a result of the interaction of metabolic defects complicated by vasa nervorum abnormalities. Nerve conduction velocity, are standard measurement used to confirm the presence or absence of diabetic neuropathy. In Nerve conduction velocity study common nerves that are studied are common peroneal nerve, tibial nerve and sural nerve. Materials and Methods: The study was planned in Physiology Department in close collaboration with Department of Medicine (Diabetic Section), S.p.mc. Bikaner. A total of 100 subjects for study from diabetic centre, were selected. Institutional ethical clearance was taken before commencement of study from ethical committee of our institution. Results: In present study, maximum number of patients were non-smokers in both study and control groups (87% and 91% respectively) and this difference was found statistically insignificant (P > 0.05). We observed that the patients were vegetarian in both study and control groups and this difference was found statistically insignificant (P > 0.05). The mean peroneal nerve in study group was 42.26 ± 1.95 m/s and in control group it was 52.05 ± 4.78 m/s and the difference was found statistically highly significant (P < 0.001) and mean value of tibial nerve in study group was 41.71 ± 2.29 m/s and in control group it was 49.84 ± 2.67 m/s and the difference was found statistically highly significant (P < 0.001). Conclusion: In our study, we concluded that nerve conduction velocities decreases in tibial and common peroneal nerve in diabetic patients as compared to control. Nerve conduction velocities also decrease with increasing age, increased HbA1C >6.5%. 


New insight into the role of electronic apex locators in detecting simulated horizontal root fractures: An In vitro study
Mukti M Shah, Vaishali V Parekh, Nidhi J Patel, Parth V Dodiya, Dipak H Chauhan

Advances in Human Biology 2019 9(1):32-36

Aim and Objectives: The aim of this study is to check the accuracy of two different electronic apex locators (EALs): Canal Pro and Root ZX – in locating simulated horizontal root fractures (HRFs). Materials and Methods: Forty-five recently extracted, single-rooted, human permanent teeth were selected for the study. Endodontic access cavity was prepared, and canal patency was checked using no. 10-K file. Horizontal fractures were simulated using 0.2-mm thick diamond disk in coronal, middle and/or apical third of root by operator one, until half of the canal was exposed circumferentially. Using both the apex locators, all the fractures were detected by the second operator to confirm the accuracy of EALs. The actual length of the fractures was then measured under ×2.5 magnification, and results were subjected to statistical analysis. Results: Results were analysed using the one-way analysis of variance and Tukey's post hoc test, and the differences between all the test samples were analysed. All the measurements were compared to the actual values separately. A statistically significant difference was determined at 95% confidence level (P ≤ 0.05). Conclusion: Investigated both the EAL are capable of detecting simulated HRF and that the Canal Pro showed a higher accuracy rate. 


To determine the prevalence of glucose-6-phosphate dehydrogenase deficiency using a novel water-soluble tetrazolium-8 formazan method' for neonatal screening in region of Himachal Pradesh, India
Seema Sharma, Milap Sharma

Advances in Human Biology 2019 9(1):37-41

Background: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is the most significant enzyme defect in India with an incidence ranging from 2% to 27.9% in different communities. Prolonged neonatal jaundice and haemolytic crisis are known to occur in children with G6PD deficiency. Hence, screening of a population for G6PD deficiency is paramount. A Novel water soluble tetrazolium-8 (WST-8) Formazan Method has been used in this study for in-field mass-screening of G6PD in the region of Himachal Pradesh, India. Materials and Methods: In this prospective study, 5652 neonates were screened to assay G6PD activity using WST8/1-methoxy phenazine methosulphate method within the first 48 h of life. Orange colour at the end of the procedure indicated normal G6PD activity while pink or colourless appearance indicated G6PD deficiency. Results: After the screening of 5652 neonates, the prevalence of G6PD deficiency was 12.4%. 45 newborns (6%) had a severe G6PD deficiency. Males were more affected than females (70:30). Furthermore, males had higher prevalence of deficiency than females (64% [n = 29] and 16% [n = 16]). Conclusions: G6PD deficiency assessment by the method used for population screening in the study was easy to do and quite simple. Following this, the high prevalence of this deficiency was noted in Himachal Pradesh. This study highlights the need to do neonatal screening of G6PD deficiency in population so that untowards complications like haemolytic crisis, complications due to neonatal jaundice can be avoided. 


Evaluation of the accessible level of iodine in marketed iodised salt in Iran: A comparison with standard recommended values
Abolfazl Mohammadbeigi, Ali Salehi, Hamidreza Heidari, Mahdi Asadi-Ghalhari

Advances in Human Biology 2019 9(1):42-45

Background: Iodine is one of the essential micronutrients for synthesise and secrete adequate amounts of thyroid gland hormones. Its deficiency is the most important threatening causes for human health. The aim of this study was to evaluate iodine concentration in marketed edible salt samples in Qom city and to compare with existing standards and offering solutions necessary to fix the probably problems. Materials and Methods: A cross-sectional, descriptive study was carried out on 60 samples of 20 brands of marketed edible salt in Qom during 2017. Iodine concentration was evaluated by the British Pharmacopoeia titration method. Results: According to the national standard of Iran during this study, iodine concentration in 51.67% of salt samples was in acceptable limits and 48.33% of samples were out of acceptable ranges. None of the tested samples had iodine content more than the standard limit. Conclusions: To improve salt fortification status and removing iodine deficiency in society, the following actions should be considered: enforcing producers to follow national and international standards, continuous monitoring the producers, necessary legal actions against offending manufacturers and appropriate measures by health ministry and relevant authorities. 


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