Impact of Meteorological Conditions on Abdominal Aortic Aneurysm Rupture

Schuld, Jochen; Kollmar, Otto; Schuld, Simone; Schommer, Kai; Richter, Sven

doi:10.1177/1538574413497109

Cited by 18 publications

(7 citation statements)

References 33 publications

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“…There was no confirmed correlation between the AAARs and the atmospheric pressure. Similar observations were found in the paper by Schuld et al [12], who analysed 191 subjects with AAAR in the period 1994-2011. This research did not reveal a significant correlation between the average atmospheric pressure on the days of incidents and the days when incidents did not occur.…”

Section: Discussionsupporting

confidence: 78%

“…Conflicting results are found in the available literature concerning the influence of atmospheric pressure on aneurysm rupture [5][6][7][9][10][11][12][13]. The relatively small sizes of the evaluated populations and the lack of an analysis of the aneurysms' sizes did not allow determination of the influence of the atmospheric pressure on the AAA ruptures.…”

Section: Introductioncontrasting

confidence: 39%

“…It has been suggested that episodes of lower atmospheric pressure are related to the most frequent aneurysm ruptures; however, recently-published papers dispute this idea [10][11][12][13]. In 2003, Bown et al [19] described a correlation between a lower average daily atmospheric pressure in the months preceding the incidents of AAAR and the risk of AAAR.…”

Section: Discussionmentioning

confidence: 99%

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The influence of atmospheric pressure on aortic aneurysm rupture — is the diameter of the aneurysm important?

et al. 2015

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A b s t r a c tBackground: The rate of aortic aneurysm rupture correlates with the aneurysm's diameter, and a higher rate of rupture is observed in patients with larger aneurysms. According to the literature, contradictory results concerning the relationship between atmospheric pressure and aneurysm size have been reported. Aim:In this paper, we assessed the influence of changes in atmospheric pressure on abdominal aneurysm ruptures in relationship to the aneurysm's size. Methods:The records of 223 patients with ruptured abdominal aneurysms were evaluated. All of the patients had been admitted to the department in the period 1997-2007 from the Silesia region. The atmospheric pressures on the day of the rupture and on the days both before the rupture and between the rupture events were compared. The size of the aneurysm was also considered in the analysis.Results: There were no statistically significant differences in pressure between the days of rupture and the remainder of the days within an analysed period. The highest frequency of the admission of patients with a ruptured aortic aneurysm was observed during periods of winter and spring, when the highest mean values of atmospheric pressure were observed; however, this observation was not statistically confirmed. A statistically non-significant trend towards the higher rupture of large aneurysms (> 7 cm) was observed in the cases where the pressure increased between the day before the rupture and the day of the rupture. This trend was particularly pronounced in patients suffering from hypertension (p = 0.1). Conclusions:The results of this study do not support the hypothesis that there is a direct link between atmospheric pressure values and abdominal aortic aneurysm ruptures.

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Section: Discussionsupporting

confidence: 78%

Section: Introductioncontrasting

confidence: 39%

Section: Discussionmentioning

confidence: 99%

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The influence of atmospheric pressure on aortic aneurysm rupture — is the diameter of the aneurysm important?

et al. 2015

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“…In a single hospital in Homburg/Saar, Germany back in 1994–2011 (Schuld et al 2013 ). maximal and average temperature and water vapour pressure were observed significant lower at event days.…”

Section: Discussionmentioning

confidence: 99%

Hospital admissions due to diseases of arteries and veins peaked at physiological equivalent temperature −10 to 10 °C in Germany in 2009–2011

Shiue

Perkins

Bearman

2015

Environ Sci Pollut Res

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We aimed to understand relationships of the weather as biometeorological and hospital admissions due to diseases of arteries and veins by subtypes, which have been scarcely studied, in a national setting in recent years. This is an ecological study. Ten percent of daily hospital admissions from the included hospitals (n = 1,618) across Germany that were available between 1 January 2009 and 31 December 2011 (n = 5,235,600) were extracted from Statistisches Bundesamt, Germany. We identified I70-I79 Diseases of arteries, arterioles and capillaries and I80-I89 Diseases of veins, lymphatic vessels and lymph nodes by International Classification of Diseases version 10 as the study outcomes. Daily weather data from 64 weather stations that covered 13 German states including air temperature, humidity, wind speed, cloud cover, radiation flux and vapour pressure were obtained and generated into physiologically equivalent temperature (PET). Two-way fractional-polynomial prediction was plotted with 95 % confidence intervals. For most of the subtypes from diseases of arteries and veins, hospital admissions slightly peaked in spring and dropped when PET was at 10 °C. There were no other large differences across 12 months. Admissions of peripheral vascular diseases, arterial embolism and thrombosis, phlebitis and thrombophlebitis, oesophageal varices and nonspecific lymphadenitis peaked when PET was between 0 and −10 °C, while others peaked when PET was between 0 and 10 °C. More medical resources could have been needed on days when PETs were at −10 to 10 °C than on other days. Adaptation to such weather change for health professionals and the general public would seem to be imperative.Electronic supplementary materialThe online version of this article (doi:10.1007/s11356-015-5791-x) contains supplementary material, which is available to authorized users.

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“…Numerous investigators have hypothesized and studied low atmospheric pressure as a risk factor for AAA rupture. 1 This hypothesis is generally predicated on an application of Laplace law, 2 which implies that under equilibrium conditions arterial wall tension is proportional to the product of the radius and the pressure difference between the inside and the outside of the vessel. By itself, this does not immediately implicate a role for aberrant atmospheric pressure in the etiology of AAA rupture, since other factors most likely also affect the difference in pressure or confer protection against the development of critical wall tension.…”

Section: Introductionmentioning

confidence: 99%

Atmospheric Pressure and Abdominal Aortic Aneurysm Rupture: Results From a Time Series Analysis and Case-Crossover Study

Vries

Kolkert

Meerwaldt

2017

Vasc Endovascular Surg

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Background:Associations between atmospheric pressure and abdominal aortic aneurysm (AAA) rupture risk have been reported, but empirical evidence is inconclusive and largely derived from studies that did not account for possible nonlinearity, seasonality, and confounding by temperature.Methods:Associations between atmospheric pressure and AAA rupture risk were investigated using local meteorological data and a case series of 358 patients admitted to hospital for ruptured AAA during the study period, January 2002 to December 2012. Two analyses were performed—a time series analysis and a case-crossover study.Results:Results from the 2 analyses were similar; neither the time series analysis nor the case-crossover study showed a significant association between atmospheric pressure (P = .627 and P = .625, respectively, for mean daily atmospheric pressure) or atmospheric pressure variation (P = .464 and P = .816, respectively, for 24-hour change in mean daily atmospheric pressure) and AAA rupture risk.Conclusion:This study failed to support claims that atmospheric pressure causally affects AAA rupture risk. In interpreting our results, one should be aware that the range of atmospheric pressure observed in this study is not representative of the atmospheric pressure to which patients with AAA may be exposed, for example, during air travel or travel to high altitudes in the mountains. Making firm claims regarding these conditions in relation to AAA rupture risk is difficult at best. Furthermore, despite the fact that we used one of the largest case series to date to investigate the effect of atmospheric pressure on AAA rupture risk, it is possible that this study is simply too small to demonstrate a causal link.

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Impact of Meteorological Conditions on Abdominal Aortic Aneurysm Rupture

Abstract: Further studies-collected at different geographic and climate areas-are necessary to prove that meteorological conditions may trigger the incidence of ruptured AAA.

Cited by 18 publications

References 33 publications

The influence of atmospheric pressure on aortic aneurysm rupture — is the diameter of the aneurysm important?

The influence of atmospheric pressure on aortic aneurysm rupture — is the diameter of the aneurysm important?

Hospital admissions due to diseases of arteries and veins peaked at physiological equivalent temperature −10 to 10 °C in Germany in 2009–2011

Atmospheric Pressure and Abdominal Aortic Aneurysm Rupture: Results From a Time Series Analysis and Case-Crossover Study

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