Seasonal incidence of ruptured abdominal aortic aneurysm and the influence of atmospheric pressure: a systematic review and meta-analysis.
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| Title: | Seasonal incidence of ruptured abdominal aortic aneurysm and the influence of atmospheric pressure: a systematic review and meta-analysis. |
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| Authors: | Wu, Zhiyuan1, Zhou, Wenlong1, Liu, Xun1, Han, Yanshuo1, Li, Yeni2, Ji, Chao3, Zhao, Haibin4 |
| Source: | International Journal of Biometeorology. Sep2018, Vol. 62 Issue 9, p1733-1743. 11p. |
| Subject Terms: | *Aortic aneurysms, *Atmospheric pressure, *Meta-analysis, *Confidence intervals, *Surgery |
| Abstract: | Ruptured abdominal aortic aneurysm (rAAA) is a life-threatening condition with a high mortality rate. Seasonal variations in the incidence of rAAA and the influence of atmospheric pressure have been studied throughout decades; however, the conclusions are contradictory. Therefore, we aimed to conduct a meta-analysis and systematic review of literature on seasonal variations in rAAA incidence and the influence of atmospheric pressure. Studies investigating seasonal variations in rAAA incidence and influence of atmospheric pressure were retrieved. For dichotomous data, we generated risk ratios (RRs) and 95% confidence intervals (CIs) for rAAA incidence compared among seasons. The studies were subdivided according to latitude, elevation, and climatic types, for subgroup comparisons. Studies reporting monthly incidence and seasonal mortality were further investigated. For continuous data, standardized mean differences (SMDs) and 95% CIs were generated for atmospheric pressure comparisons. Twenty-four eligible studies were included, comprising a total of 38,506 patients with rAAA. Pooled rAAA incidence was 25% in spring, 23% in summer, 26% in autumn, and 26% in winter. Pooled analysis demonstrated a statistically significant higher rAAA incidence in winter than in summer (RR 1.10, P = 0.04) and in autumn than in summer (RR 1.11, P < 0.00001). However, there was no statistically significant difference among other seasons. In the study of the influence of atmospheric pressure, no statistically significant difference was observed. In conclusion, our study revealed a higher incidence of rAAA in autumn and winter than in summer; however, atmospheric pressure was found to exert no influence. [ABSTRACT FROM AUTHOR] |
| Database: | Energy & Power Source |
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| Header | DbId: enr DbLabel: Energy & Power Source An: 131455495 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Seasonal incidence of ruptured abdominal aortic aneurysm and the influence of atmospheric pressure: a systematic review and meta-analysis. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Wu%2C+Zhiyuan%22">Wu, Zhiyuan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Wenlong%22">Zhou, Wenlong</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Liu%2C+Xun%22">Liu, Xun</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Han%2C+Yanshuo%22">Han, Yanshuo</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Li%2C+Yeni%22">Li, Yeni</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Ji%2C+Chao%22">Ji, Chao</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhao%2C+Haibin%22">Zhao, Haibin</searchLink><relatesTo>4</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Biometeorology%22">International Journal of Biometeorology</searchLink>. Sep2018, Vol. 62 Issue 9, p1733-1743. 11p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22Aortic+aneurysms%22">Aortic aneurysms</searchLink><br />*<searchLink fieldCode="DE" term="%22Atmospheric+pressure%22">Atmospheric pressure</searchLink><br />*<searchLink fieldCode="DE" term="%22Meta-analysis%22">Meta-analysis</searchLink><br />*<searchLink fieldCode="DE" term="%22Confidence+intervals%22">Confidence intervals</searchLink><br />*<searchLink fieldCode="DE" term="%22Surgery%22">Surgery</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Ruptured abdominal aortic aneurysm (rAAA) is a life-threatening condition with a high mortality rate. Seasonal variations in the incidence of rAAA and the influence of atmospheric pressure have been studied throughout decades; however, the conclusions are contradictory. Therefore, we aimed to conduct a meta-analysis and systematic review of literature on seasonal variations in rAAA incidence and the influence of atmospheric pressure. Studies investigating seasonal variations in rAAA incidence and influence of atmospheric pressure were retrieved. For dichotomous data, we generated risk ratios (RRs) and 95% confidence intervals (CIs) for rAAA incidence compared among seasons. The studies were subdivided according to latitude, elevation, and climatic types, for subgroup comparisons. Studies reporting monthly incidence and seasonal mortality were further investigated. For continuous data, standardized mean differences (SMDs) and 95% CIs were generated for atmospheric pressure comparisons. Twenty-four eligible studies were included, comprising a total of 38,506 patients with rAAA. Pooled rAAA incidence was 25% in spring, 23% in summer, 26% in autumn, and 26% in winter. Pooled analysis demonstrated a statistically significant higher rAAA incidence in winter than in summer (RR 1.10, P = 0.04) and in autumn than in summer (RR 1.11, P < 0.00001). However, there was no statistically significant difference among other seasons. In the study of the influence of atmospheric pressure, no statistically significant difference was observed. In conclusion, our study revealed a higher incidence of rAAA in autumn and winter than in summer; however, atmospheric pressure was found to exert no influence. [ABSTRACT FROM AUTHOR] |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1007/s00484-018-1573-8 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 11 StartPage: 1733 Subjects: – SubjectFull: Aortic aneurysms Type: general – SubjectFull: Atmospheric pressure Type: general – SubjectFull: Meta-analysis Type: general – SubjectFull: Confidence intervals Type: general – SubjectFull: Surgery Type: general Titles: – TitleFull: Seasonal incidence of ruptured abdominal aortic aneurysm and the influence of atmospheric pressure: a systematic review and meta-analysis. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Wu, Zhiyuan – PersonEntity: Name: NameFull: Zhou, Wenlong – PersonEntity: Name: NameFull: Liu, Xun – PersonEntity: Name: NameFull: Han, Yanshuo – PersonEntity: Name: NameFull: Li, Yeni – PersonEntity: Name: NameFull: Ji, Chao – PersonEntity: Name: NameFull: Zhao, Haibin IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 09 Text: Sep2018 Type: published Y: 2018 Identifiers: – Type: issn-print Value: 00207128 Numbering: – Type: volume Value: 62 – Type: issue Value: 9 Titles: – TitleFull: International Journal of Biometeorology Type: main |
| ResultId | 1 |