Skip Navigation
Skip to contents

Epidemiol Health : Epidemiology and Health

OPEN ACCESS
SEARCH
Search
Advanced Search
mobile menu button

Search

Page Path
HOME > Search
2 "Abbas Shahsavani"
Filter
Filter
Article category
Keywords
More +
Publication year
Authors
More +
Original Articles
Temporal trend and spatial distribution of acute lymphoblastic leukemia in Iranian children during 2006-2014: a mixed ecological study
Sajjad Rahimi Pordanjani, Amir Kavousi, Babak Mirbagheri, Abbas Shahsavani, Koorosh Etemad
Epidemiol Health. 2020;42:e2020057.   Published online July 29, 2020
DOI: https://doi.org/10.4178/epih.e2020057
  • 10,723 View
  • 190 Download
  • 6 Web of Science
  • 7 Crossref
AbstractAbstract PDF
Abstract
OBJECTIVES
The present study investigated the spatiotemporal epidemiological status of acute lymphoblastic leukemia (ALL), the most common childhood cancer, in Iran.
METHODS
Using an exploratory mixed design, this ecological study examined 3,769 under-15 children with ALL recorded in the National Cancer Registry of Iran during 2006-2014. Data were analyzed using the Mann-Whitney U test, the Getis-Ord general G (GOGG) index, optimized hot spot analysis, and Pearson correlation coefficients (PCC) at a significance level of 0.05.
RESULTS
The average annual incidence of the disease was 2.25 per 100,000 under-15 children, and the cumulative incidence rate (CIR) was 21.31 per 100,000 under-15 children. Patients’ mean age was 5.90 years (standard deviation, 3.68), and the peak incidence was observed among 2-year to 5-year-olds. No significant difference was found in mean age between boys and girls (p=0.261). The incidence of ALL was more common during spring and summer than in other seasons. The GOGG index was 0.039 and significant (p<0.001). Hot spots were identified in south, central, and eastern Iran and cold spots in the north and west of Iran. The PCC between the CIR and latitude was negative (r=-0.507; p=0.003) but that between the CIR and longitude was positive (r=0.347; p=0.055).
CONCLUSIONS
The incidence of ALL in Iranian children was lower than that observed in developed countries, but showed an increasing trend. It can be argued that the incidence of ALL is due to synergistic interactions between environmental, infectious, geographical, and genetic risk factors.
Summary

Citations

Citations to this article as recorded by  
  • Epidemiology of childhood acute leukemias in marginalized populations of the central-south region of Mexico: results from a population-based registry
    Janet Flores-Lujano, Aldo Allende-López, David Aldebarán Duarte-Rodríguez, Erika Alarcón-Ruiz, Lizbeth López-Carrillo, Teresa Shamah-Levy, Mariano E. Cebrián, Ma. del Rocío Baños-Lara, Diana Casique-Aguirre, Jesús Elizarrarás-Rivas, Javier Antonio López-A
    Frontiers in Oncology.2024;[Epub]     CrossRef
  • Disability-adjusted Life Years of Hepatitis B in Iran during 2009–2019: An Analysis Based on the Global Burden of Disease Study 2019
    Zaher Khazaei, Sayyad Khanizadeh, Moslem Taheri Soodejani, Sajjad Rahimi Pordanjani, Elham Goodarzi
    The Open Public Health Journal.2024;[Epub]     CrossRef
  • Spatio-temporal Analysis of COVID-19: A Global Study
    Sajjad Rahimi Pordanjani, Maryam Mohammadian, Somayeh Derakhshan, Fatemeh Hadavandsiri, Seyed Saeed Hashemi Nazari, Mohammad Hossein Panahi
    Middle East Journal of Rehabilitation and Health Studies.2023;[Epub]     CrossRef
  • Persistently high incidence rates of childhood acute leukemias from 2010 to 2017 in Mexico City: A population study from the MIGICCL
    Janet Flores-Lujano, David Aldebarán Duarte-Rodríguez, Elva Jiménez-Hernández, Jorge Alfonso Martín-Trejo, Aldo Allende-López, José Gabriel Peñaloza-González, María Luisa Pérez-Saldivar, Aurora Medina-Sanson, José Refugio Torres-Nava, Karina Anastacia Sol
    Frontiers in Public Health.2022;[Epub]     CrossRef
  • Epidemiological characteristics and temporal-spatial analysis of overseas imported dengue fever cases in outbreak provinces of China, 2005–2019
    Xinchang Lun, Yiguan Wang, Chunchun Zhao, Haixia Wu, Caiying Zhu, Delong Ma, Mingfang Xu, Jun Wang, Qiyong Liu, Lei Xu, Fengxia Meng
    Infectious Diseases of Poverty.2022;[Epub]     CrossRef
  • Temporal Trend and Spatial Distribution of Drug Poisoning in Semnan Province: A Retrospective Longitudinal Study
    Masoudeh Babakhanian, Khadijeh Mamashli, Faezeh Ansariniya, Somayeh Rezaie, Hamed Azadi, Masumeh Ghazanfarpour, Sajjad Rahimi Pordanjani
    Middle East Journal of Rehabilitation and Health Studies.2022;[Epub]     CrossRef
  • Crude incidence, age-specific incidence, and standardized incidence rates of leukemia in children under 14 years of age in Iran: an updated meta-analysis
    Ayda Hasanpour Dehkordi, Hasan Askarpour, Farshid Karami Pordanjani, Mohammad Rafiee, Sajjad Rahimi Pordanjani
    Przeglad Epidemiologiczny.2022; 75(4): 546.     CrossRef
Modification of the effect of ambient air temperature on cardiovascular and respiratory mortality by air pollution in Ahvaz, Iran
Sohrab Iranpour, Soheila Khodakarim, Abbas Shahsavani, Ardeshir Khosravi, Koorosh Etemad
Epidemiol Health. 2020;42:e2020053.   Published online July 18, 2020
DOI: https://doi.org/10.4178/epih.e2020053
  • 10,447 View
  • 223 Download
  • 6 Web of Science
  • 2 Crossref
AbstractAbstract PDFSupplementary Material
Abstract
OBJECTIVES
This study investigated the modification of temperature effects on cardiovascular and respiratory mortality by air pollutants (particulate matter less than 2.5 and 10 µm in diameter [respectively], ozone, nitrogen dioxide, carbon monoxide, and sulfur dioxide).
METHODS
Poisson additive models with a penalized distributed lag non-linear model were used to assess the association of air temperature with the daily number of deaths from cardiovascular and respiratory diseases in Ahvaz, Iran from March 21, 2014 to March 20, 2018, controlling for day of the week, holidays, relative humidity, wind speed, air pollutants, and seasonal and long-term trends. Subgroup analyses were conducted to evaluate the effect modification for sex and age group. To assess the modification of air pollutants on temperature effects, the level of each pollutant was categorized as either greater than the median value or less than/equal to the median value.
RESULTS
We found no significant associations between temperature and cardiovascular and respiratory mortality. In the subgroup analyses, however, high temperatures were significantly associated with an increased risk of cardiovascular mortality among those 75 years old and older, with the strongest effect observed on day 0 relative to exposure. The results revealed a lack of interactive effects between temperature and air pollutants on cardiovascular and respiratory mortality.
CONCLUSIONS
A weak but significant association was found between high temperature and cardiovascular mortality, but only in elderly people. Air pollution did not significantly modify the effect of ambient temperature on cardiovascular and respiratory mortality.
Summary

Citations

Citations to this article as recorded by  
  • Associations between ambient temperature and suicide: а systematic review
    Andrej М. Grjibovski, Ivan М. Kobelev, Natalia N. Kukalevskaya, Yulia A. Popova, Alexander V. Baranov
    Ekologiya cheloveka (Human Ecology).2023; 30(6): 399.     CrossRef
  • Combined effects of air pollution and extreme heat events among ESKD patients within the Northeastern United States
    Richard V. Remigio, Hao He, Jochen G. Raimann, Peter Kotanko, Frank W. Maddux, Amy Rebecca Sapkota, Xin-Zhong Liang, Robin Puett, Xin He, Amir Sapkota
    Science of The Total Environment.2022; 812: 152481.     CrossRef
Epidemiol Health : Epidemiology and Health
© Korean Society of Epidemiology.