Risk Factors Affecting Survival Rates in Patients with Ruptured Abdominal Aortic Aneurysm. New Factor, Shock Time Index.

Maeda, Mitsunori; Konagai, Naoki; Yano, Hiromi; Misaka, Masaharu; Kudo, Tatsuhiko; Ishimaru, Shin

doi:10.4326/jjcvs.31.24

Cited by 1 publication

(3 citation statements)

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“…Wakefield et al described a surgical time of >400 min correlated with higher mortality, and other previous studies showed excessive hemorrhage of >11,000 mL and transfusion of >6,000-7,000 mL were independent risk factors of intraoperative death. 2,9,14,20,21 We found blood transfusion for non-survivors was more than 8,000 mL on average, but this was not a significant difference compared with that of survivors. As almost all non-survivors' operations were not accomplished, we did not compare the surgical time statistically.…”

Section: Discussionmentioning

confidence: 77%

“…6,7,17 Although the elderly patients have an increased risk of having cardiac and cerebrovascular events in the postoperative period, 8 the risk factor might not be age itself but cardiac or some other capacities of these patients. 9 Regarding the blood data, previous studies reported hemoglobin or hematocrit levels indicated the degree of hemorrhage, and elevated serum creatinine level >1.5 mg/dL correlated with adverse outcomes. 10 However, we found no correlation between these values and outcomes.…”

Section: Discussionmentioning

confidence: 94%

“…1 Previously, several factors such as age, female sex, prolonged collapsed vital phase, massive transfusion, or hemorrhage during surgery, were considered independent risk factors of mortality. [2][3][4][5][6][7][8][9][10][11] However, these results are still not definitive and some studies were published in the 1990s. Between 2006 and 2012, 57 patients received emergency surgical treatment for AAA.…”

Section: Introductionmentioning

confidence: 99%

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Recent risk factors for open surgical mortality in patients with ruptured abdominal aortic aneurysm

Uchida

Akita

et al. 2014

Acute Medicine & Surgery

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Aim:We examined recent relevant prognostic factors for the outcome of open surgical treatment of ruptured abdominal aortic aneurysm.Methods: Between 2006 and 2012, 35 patients received emergency open surgical treatment for ruptured abdominal aortic aneurysm at our institute. We reviewed ambulance activity logs and clinical records of 34 infrarenal ruptured abdominal aortic aneurysm patients retrospectively. Univariate and multivariate logistic regression analyses were carried out to identify risk factors for surgical outcomes.Results: Eight patients died during surgery or within a few hours following surgery completion. Through univariate analysis, body mass index, serum lactate level, arterial blood pH, base excess, platelet count, prothrombin time-international normalized ratio, activated partial thromboplastin time, type of ruptured aneurysm, response to i.v. fluid resuscitation within 2,000 mL in the initial therapy, and volume of blood loss during surgery were detected to be significant variants. Multivariate logistic regression analysis revealed the patients who were hemodynamically stabilized after primary volume loading had a 13.2 times higher possibility of survival. Body mass index, high serum lactate level, and volume of blood loss were also found to be independent risk factors of mortality. Conclusion:The risk factors of open surgical ruptured abdominal aortic aneurysm repair, body mass index, lactate level, volume of intraoperative blood loss, and response to initial 2,000 mL fluid resuscitation were correlated to survival.

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Section: Discussionmentioning

confidence: 77%