Article ; Online: Atrial Fibrillation and Surgical Patients with Peripheral Arterial Disease.
2020 Volume 67, Page(s) 411–416
Abstract: Background: Atrial fibrillation (AF) is the most common cardiac arrhythmia in clinical practice and its prevalence rate significantly increases with age. The prognostic implication of AF in surgical patients with peripheral arterial disease (PAD) has ... ...
| Abstract | Background: Atrial fibrillation (AF) is the most common cardiac arrhythmia in clinical practice and its prevalence rate significantly increases with age. The prognostic implication of AF in surgical patients with peripheral arterial disease (PAD) has not been analyzed. The aims of this study were to analyze the prevalence of AF among patients operated on with symptomatic PAD, and to determine whether these patients are at a higher risk of death or amputation. Methods: We designed a retrospective cohort study, from January 2013 to December 2017, in which we analyzed the medical records of all consecutive patients with symptomatic PAD admitted to our hospital and underwent a vascular procedure. We compared the outcomes of patients with and without AF. All statistically significant demographic variables that underwent a univariate analysis were inserted in the stepwise multivariate model along with AF. A survival analysis was performed to evaluate the factors associated with mortality through a Cox regression model. P-value of 0.05 was considered statistically significant. Results: Four hundred three patients were admitted in-hospital with symptomatic PAD and they underwent a vascular intervention. The mean follow-up was 2 years. Seventy-six patients (18.8%) had AF. These patients were older (78 ± 9.1 years) than the 327 patients without AF (68 ± 12.37 years) (P < 0.0001), and more likely to undergo emergency surgery (18.42% vs. 7.34%, P = 0.0029). Age and emergency admission were dependent associates of AF. The patients with AF were frequently men (69.7%) with previous hypertension (96% %). The presence of AF was associated with higher rate of all-cause mortality (55.26%, P < 0.0001, hazard ratio 2.24, confidence interval 1.55-3.25), but the multivariate analysis adjusted for risk factors showed that the mortality was only associated with age because these patients were older and with many comorbidities. The majority of this population with AF showed some tissue lesion when they were admitted in-hospital (Rutherford V-VI, AF 80.2%, P = 0.0004), and this fact justified that a 22.36% underwent a major amputation affecting the ischemic lower limb in admission (P = 0.018). During the follow-up the free amputation rate was similar between groups (60.5% AF vs. 78.3% non-AF). Conclusions: This study showed the high prevalence of AF in patients with symptomatic PAD that required surgical admission in-hospital. The presence of AF was related with a greater and serious risk of mortality, but this was independently associated to age, because patients with AF were older and frailer. Clearly, this group of patients had a high risk of amputation when they arrived to the hospital and they needed emergency surgery. |
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| MeSH term(s) | Age Factors ; Aged ; Aged, 80 and over ; Amputation ; Atrial Fibrillation/diagnosis ; Atrial Fibrillation/epidemiology ; Atrial Fibrillation/mortality ; Emergencies ; Female ; Frail Elderly ; Humans ; Limb Salvage ; Male ; Middle Aged ; Patient Admission ; Peripheral Arterial Disease/diagnosis ; Peripheral Arterial Disease/mortality ; Peripheral Arterial Disease/surgery ; Prevalence ; Retrospective Studies ; Risk Assessment ; Risk Factors ; Spain/epidemiology ; Time Factors ; Treatment Outcome ; Vascular Surgical Procedures/adverse effects ; Vascular Surgical Procedures/mortality | |||||
| Language | English | |||||
| Publishing date | 2020-03-21 | |||||
| Publishing country | Netherlands | |||||
| Document type | Comparative Study ; Journal Article | |||||
| ZDB-ID | 1027366-9 | |||||
| ISSN | 1615-5947 ; 0890-5096 | |||||
| ISSN (online) | 1615-5947 | |||||
| ISSN | 0890-5096 | |||||
| DOI | 10.1016/j.avsg.2020.02.035 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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