Results 1 to 10 of about 7,367,624 (346)

A case-crossover study of air pollution exposure during pregnancy and the risk of stillbirth in Tehran, Iran [PDF]

Scientific Reports
The growing fetus is very sensitive to environmental conditions. There is limited and conflicting evidence about the short-term effects of exposure to air pollutants on the pregnancy outcome.
Nadia Mohammadi Dashtaki, Mohammad Fararouei, Alireza Mirahmadizadeh, Mohammad Hoseini, Mohammad Heidarzadeh   +4 more
doaj   +2 more sources

Short-term exposure to fine particulate matter and asthma exacerbation: a large population-based case-crossover study in Southern Thailand [PDF]

Environmental Health
Background Asthma exacerbations remain a significant global health issue despite advances in management. Fine particulate matter (PM2.5, particles ≤ 2.5 μm in diameter) is a known trigger for asthma exacerbations. However, studies on the acute effects of
Suebsai Varopichetsan, Natthaya Bunplod, Racha Dejchanchaiwong, Perapong Tekasakul, Thammasin Ingviya   +4 more
doaj   +2 more sources

Antibiotics and oral contraceptive failure - a case-crossover study [PDF]

Contraception, 2011
Background: Evidence on the association between antibiotic use and combined oral contraceptive (COC) failure is controversial. We examined the effect of concomitant antibiotic treatment on the risk of breakthrough pregnancy among COC users. Study Designs:
Anderka, Marlene, de Jong-van den Berg, Lolkje T. W., Hernandez-Diaz, Sonia, Mitchell, Allen A., Toh, Sengwee   +4 more
core   +6 more sources

Association between exposure to air pollutants and cardiovascular mortality in Iran: a case-crossover study [PDF]

Scientific Reports
This space-time-stratified case-crossover study examined the association between short-term exposure to satellite-derived air pollutants and cardiovascular disease (CVD) mortality in eight Iranian cities from 2018 to 2022.
Nadia Mohammadi Dashtaki, Mohammad Fararouei, Alireza Mirahmadizadeh, Mohammad Hoseini   +3 more
doaj   +2 more sources

Groin pain aggravated in short term contracted by COVID-19 in THA patients: a case-crossover study [PDF]

Journal of Orthopaedic Surgery and Research
Background The coronavirus disease 2019 (COVID-19) rapidly spreads worldwide and causes more suffering. The relation about the aggravation of inguinal pain and COVID-19 was unclear in patients with total hip arthroplasty (THA).
Hongjie Chen, Peng Lai, Haiming Lu, Jun Zhu, Weilin Sang, Cong Wang, Yiming Zhong, Libo Zhu, Jinzhong Ma   +8 more
doaj   +2 more sources

A novel weighting method to remove bias from within-subject exposure dependency in case-crossover studies

BMC Medical Research Methodology, 2021
Background Case-crossover studies have been widely used in various fields including pharmacoepidemiology. Vines and Farrington indicated in 2001 that when within-subject exposure dependency exists, conditional logistic regression can be biased.
Kiyoshi Kubota, Thu-Lan Kelly, Tsugumichi Sato, Nicole Pratt, Elizabeth Roughead, Takuhiro Yamaguchi   +5 more
doaj   +1 more source

Acute exposure to air pollutants increase the risk of acute glaucoma

BMC Public Health, 2022
Background Ambient air pollution is related to the onset and progression of ocular disease. However, the effect of air pollutants on the acute glaucoma remains unclear.
Liping Li, Yixiang Zhu, Binze Han, Renjie Chen, Xiaofei Man, Xinghuai Sun, Haidong Kan, Yuan Lei   +7 more
doaj   +1 more source

Effects of Dust Event Days on Influenza: Evidence from Arid Environments in Lanzhou

Aerosol and Air Quality Research, 2022
Airborne aerosol is believed to be an important pathway for infectious disease transmissions like COVID-19 and influenza. However, the effects of dust event days on influenza have been rarely explored, particularly in arid environments.
Ling Zhang, Sheng Li, Bo Wang, Ce Liu, Li He, Xiaobing Shan, Kai Zhang, Bin Luo   +7 more
doaj   +1 more source

Case-crossover study on association between temperature and non-accidental mortality in Tibet Plateau, China

环境与职业医学, 2022
BackgroundUnder the background of global climate change, temperature has increased dramatically. Most studies about association between temperature and human health are conducted in low-altitude areas, but rarely focus on plateau areas.ObjectiveTo ...
Guoxia BAI, Junle WU, Heng SHI, Zhuoma PINGCUO, Yajie LI, Cangjue GAMA, Jianxiong HU, Zhixing LI, Tao LIU, Wenjun MA   +9 more
doaj   +1 more source

Extraction bradycardia: a pilot case-crossover study [PDF]

Head & Face Medicine, 2013
Abstract Purpose Significant vasovagal reaction is one of the untoward events in the course of simple extractions. The present study then aimed to record the patients’ heart rate during the extraction procedure. Materials and methods Informed consents were obtained in ...
Ashkan Rashad, Ralf Smeets, Madiha Rana, Behnam Bohluli   +3 more
openaire   +3 more sources