522 research outputs found
Lower lung function associates with cessation of menstruation: UK Biobank data
Little is known about the effect of cessation of menstruation on lung function. The aims of the study were to examine the association of lung function with natural and surgical cessation of menstruation, and assess whether
lower lung function is associated with earlier age at cessation of menstruation.
The study was performed in 141,076 women from the UK Biobank, who had provided acceptable and reproducible
spirometry measurements and information on menstrual status.
The associations of lung function [FVC, FEV1, spirometric
restriction (FVC<LLN), airflow obstruction (FEV1/FVC<LLN)]
with cessation of menstruation and age at cessation of menstruation were assessed using regression analysis.
Women who had natural cessation of menstruation showed a lower FVC (-42mL; 95%CI - 53,- 30)and FEV1 (-34mL/s; 95%CI -43,-24) and higher risk of spirometric restriction (adjOR=1.27; 95%CI 1.18-1.37) than women still menstruating.
These associations were stronger in women who had had a
hysterectomy and/or oophorectomy.
The earlier the natural cessation of menstruation, the lower thelung function.
There was no clear association of lung function with
age at hysterectomy and/or oophorectomy.
Airflow obstruction was not associated with cessation of menstruation. Lower lung function
associates with cessation of menstruation, especially if it occurs early in life
Towards a food secure future : lessons from CIFSRF and beyond final event report annexes
This report includes an extensive list of annexes to the main CIFRSF Event Report.From October 02-04, 2018, the Agriculture and Food Security (AFS) program at IDRC and Global Affairs Canada (GAC) hosted a learning event for the Canadian International Food Security Research Fund (CIFSRF), a nine-year, CA$124 million fund, designed to address the critical challenge of global hunger through applied research in 25 countries. The event entitled: âTowards a food secure future: Lessons from CIFSRF and beyondâ presented an opportunity for both IDRC and GAC to increase their visibility and recognition among thought-leaders, policymakers, and stakeholders in Canada; and in particular, raise awareness of IDRCâs contribution to Canadaâs development assistance, in agriculture and food security
Contributions to end global hunger : by the Canadian international food security research fund 2009-2018 : in brief
French version available in IDRC Digital LibraryThis brief is a summary of key messages and content from the publication Contributions to end global hunger: A synthesis of the Canadian International Food Security Research Fund (CIFSRF) 2009 -2018.The present report highlights key results from the Canadian International Food Security Research Fund (CIFSRF), a nine-year, CA$124 million fund, jointly funded by IDRC and Global Affairs Canada to address the critical challenge of global hunger through applied research in 25 countries
High- production as signals for Double Parton scattering at hadron colliders
We present an analysis of the \psi\psi production from double parton (DP)
sacttering and single parton (SP) scattering in the large p_T region via
color-octet gluon fragmentation. We find that at the Tevatron the DP \psi\psi
production is at the edge of the detectability at present, and at the LHC the
DP cross section will dominate over the SP cross section in the lower p_T(min)
region (i.e., p_T(min)<7GeV). We also conclude that the color-octet mechanism
is of crucial importance to the double j/psi production at high energy hadron
colliders.Comment: Revtex, 12 pages, 3 Postscript figure
Translucency parameter of conventional restorative glass-ionomer cements.
OBJECTIVE: To evaluate the translucency parameter (TP) and contrast ratio (CR) of different conventional restorative glass-ionomer cements (GICs). MATERIALS AND METHODS: Eighteen brands of GICs were evaluated. Five disks of each material were made following ISO 9917-1. The luminous reflectance and Central Bureau of the International Commission on Illumination parameters of disks were evaluated using a colorimeter, against backings of white and black, to obtain the translucent parameter and contrast ratio of different brands of glass-ionomer cements. The correlation between translucency parameter and contrast ratio was assessed with the Pearson correlation test. The translucent and contrast ratio parameters values were submitted to the one-way ANOVA and Tukey test for multiple comparisons (p <â0.05). RESULTS: There was a strong inverse relationship between CR and TP (r2 =â0.94, p <â0.001). The contrast ratio decreased as translucency increased. There were significant differences in TP and CR among brands (p <â0.001). CONLUSIONS: GICs exhibit different translucency and contrast ratio behavior. Some brands of GICs presented very low TP and this condition would be unacceptable for areas with esthetic demands. In addition, TP and CR showed a strong linear relationship. CLINICAL SIGNIFICANCE: The results found in this study demonstrated that the knowledge of the translucency and CR of different conventional restorative GICs is important in order to guide clinicians in the selection of restorative GICs for anterior teeth
Soft Photoproduction Physics
Several topics of interest in soft photoproduction physics are discussed.
These include jet universality issues (particle flavour composition), the
subdivision into event classes, the buildup of the total photoproduction cross
section and the effects of multiple interactions.Comment: 10 pages, LaTeX2e, no figures, to appear in the proceedings of the
Durham Workshop on HERA Physics, ``Proton, Photon and Pomeron Structure'',
17--23 September 1995, Durham, U.
First report of the ectomycorrhizal status of boletes on the Northern Yucatan Peninsula, Mexico determined using isotopic methods
Despite their prominent role for tree growth, few studies have examined the occurrence of ectomycorrhizal fungi in lowland, seasonally dry tropical forests (SDTF). Although fruiting bodies of boletes have been observed in a dry tropical forest on the Northern Yucatan Peninsula, Mexico, their occurrence is rare and their mycorrhizal status is uncertain. To determine the trophic status (mycorrhizal vs. saprotrophic) of these boletes, fruiting bodies were collected and isotopically compared to known saprotrophic fungi, foliage, and soil from the same site. Mean ÎŽ15N and ÎŽ13C values differed significantly between boletes and saprotrophic fungi, with boletes 8.0â° enriched and 2.5â° depleted in 15N and 13C, respectively relative to saprotrophic fungi. Foliage was depleted in 13C relative to both boletes and saprotrophic fungi. Foliar ÎŽ15N values, on the other hand, were similar to saprotrophic fungi, yet were considerably lower relative to bolete fruiting bodies. Results from this study provide the first isotopic evidence of ectomycorrhizal fungi in lowland SDTF and emphasize the need for further research to better understand the diversity and ecological importance of ectomycorrhizal fungi in these forested ecosystems
European Respiratory Society International Congress 2018: four shades of epidemiology and tobacco control
In this article, early career members and experienced members of the Epidemiology and Environment Assembly of the European Respiratory Society highlight and summarise a selection of six sessions from the Societyâs annual congress, which in 2018 was held in Paris, France. The topics covered in these sessions span from cutting-edge molecular epidemiology of lung function to clinical, occupational and environmental epidemiology of respiratory disease, and from emergent tobacco products to tobacco control
BABIES WITH BRAIN DAMAGE WHO CAN NOT SWALLOW Surgical management
Background: Neonates with severe neurological impairment are often unable to swallow, necessitating gastrostomy for feeding. Because of the risk of developing severe reflux, this procedure is often associated with fundoplication. Objective: To assess the safety and efficacy of gastrostomy and Nissen fundoplication in 22 neonates with swallowing difficulties due to serious neurological impairment. Method: All children underwent an initial period of nasogastric feeding and after informed consent underwent gastrostomy and Nissen fundoplication. Results: There were no significant intraoperative complications. There were two cases of postoperative periostomy leakage. Of the 22 neonates 16 were alive four months after surgery. Six neonates died of complications due to underlying disease. Conclusion: We concluded that gastrostomy and Nissen fundoplication are safe procedures and help parents give a better care to these children.663B64164
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