Correlation between atmospheric pressure changes and abdominal aortic aneurysm rupture: results of a single-center study

Moláček, Jiří; Třeška, Vladislav; Kasik, Miroslav; Houdek, Karel; Baxa, Jan

doi:10.1007/s00595-013-0488-6

Cited by 12 publications

(10 citation statements)

References 6 publications

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“…After comparing these data with the weather conditions, no correlation between the AAARs and atmospheric pressure was detected, but a significant influence of the temperature changes was observed. The lack of a confirmed relationship between atmospheric pressure and aneurysm ruptures was also described by Molacek et al [22] in an analysis based on 54 ruptured aneurysm cases, and in a paper by Kurtoglou et al [23] based on 24 cases. Contradictory results were described in two other papers.…”

Section: Discussionmentioning

confidence: 54%

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: Discussionmentioning

confidence: 54%

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

et al. 2015

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“…Referring to controls, most published studies, to-date, do not specify their sources, 13,14 or use days of non-ruptured cases. [7][8][9]15,16 In our opinion, selecting controls from nonruptured days (or from non ruptured periods) only, instead of a random selection of controls from days in the study period (including ruptures and non-ruptured days) introduces potential for selection bias error. In this study, we tried to identify whether rAAA occur randomly throughout the year, which is why our controls were randomly selected throughout the year.…”

Section: Discussionmentioning

confidence: 99%

“…We analyzed 717 rAAA in a multicenter study. Most previously published studies analyze single-center data [7][8][9][13][14][15][16] or, at maximum, data from two different hospitals that include a lower number of cases, except three previous meta-analyses published in recent years. 8,18,19 Again, this reinforces the statistical power of our work, since we used a national database gathering information from all public hospitals in our region with admissions of rAAA (49 centers).…”

Section: Discussionmentioning

confidence: 99%

“…[7][8][9][10][11][12] Nonetheless, other publications demonstrate no relation between the incidence of rAAA and these conditions. [10][11][12][13][14][15][16] Some authors have shown a seasonal peak in the occurrence of rAAA, mostly in autumn and winter, 6,7,11,12,[15][16][17] but others have failed to prove this association. 8,9,14,15,[18][19][20][21] As noted above, the results of these investigations show a marked disparity, mainly because of biased publications, since most of these studies were performed in countries with severe winter conditions or with few meteorological variations between seasons.…”

Section: Introductionmentioning

confidence: 99%

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Climatic influence on the risk of abdominal aortic aneurysm rupture

et al. 2020

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Our aim is to examine the effects of climatic conditions on the incidence of ruptured abdominal aortic aneurysms (rAAA) in Catalonia, Spain. We combined clinical data from the Public Health official registries in Catalonia, Spain (HD-MBDS) of all rAAA with local climatic data obtained from the closest meteorological station (69 stations, National Meteorological Service: MeteoCat) from 2008 to 2017. We analyzed the median, maximum, minimum, and variability of atmospheric pressure (hPa) and air temperature (°C), solar irradiation (MJ/m2), humidity (%), accumulated precipitation (mm), median wind, and maximum flaw direction and velocity (°, m/s), recorded on the days of events, the previous day, and mean results for 3, 7, and 30 days before, as well as seasonality. Seventy-five control days were randomly selected in a 1-year period around every rAAA day at the same meteorological station, and compared. A total of 717 days and locations with rAAA were identified, and 53,775 controls were randomly selected. For the rAAA days, there were significantly lower temperatures, lower solar global irradiation, and higher mean humidity levels in all time periods ( p < 0.001, p < 0.001, p < 0.05); higher atmospheric pressure variability during 1 week and 1 month before ( p = 0.011, p = 0.007); and they often occurred during autumn/winter (57.6%, p < 0.001). Logistic regression identified low mean temperatures on the days of ruptures and high mean humidity the week before as independent rupture predictors. In conclusion, low median temperatures the same day and high humidity during 1 week before were identified as independent predictors of rAAA occurrence. The role of climate on pathophysiologic mechanisms may require further investigation.

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“…Empirical evidence is also still inconclusive; some studies have found an association between low atmospheric pressure and the risk of AAA rupture, 2 , 4 – 6 whereas others have not. 1 , 7 Also, some studies suggest that while absolute atmospheric pressure itself may not serve as a risk factor, AAA rupture may in part be explained by day-to-day variation in air pressure. 1 , 3 We investigated these associations using approaches that, contrary to previous studies, account for nonlinearity, seasonality, and confounding by temperature.…”

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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Correlation between atmospheric pressure changes and abdominal aortic aneurysm rupture: results of a single-center study

Abstract: These findings suggest that atmospheric pressure and its changes do not affect the pathogenesis of AAA rupture.

Cited by 12 publications

References 6 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?

Climatic influence on the risk of abdominal aortic aneurysm rupture

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

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