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Cir Cir ; 87(2): 170-175, 2019.
Article in English | MEDLINE | ID: mdl-30768059

ABSTRACT

BACKGROUND: To analyze the factors that influence the deterioration of postoperative renal function in patients undergoing open or endovascular aortic reconstruction, and the impact on survival. METHOD: Retrospective review of patients who underwent invasive treatment was conducted. Demographics, laboratory data, clinical, intraoperative and postoperative variables were recorded; renal function was determined, Fisher's exact test was used to find associations and Kaplan Meier analysis to estimate survival. RESULTS: From 2007 to 2017, 80 patients (mean age: 70 years) were studied. Fifty-eight (73%) were male, none of these patients had known diagnosis of chronic kidney insufficiency. Twelve (15%) patients had elevated creatinine in the postoperative period; variables such as intraoperative bleeding greater than 1500 ml were associated with acute renal failure (p = 0.005). During the follow-up period of 60 months, 8 (10%) patients progressed to chronic renal failure, 2 (2.5%) requiring hemodialysis, 18 (22%). Age, gender, comorbidities and anatomic characteristics of the aneurysm, type of intervention or level of aortic cross-clamping did not impact the postoperative renal function. CONCLUSIONS: The repair of complex aortic aneurysms continues to be a challenge. Intraoperative bleeding greater than 1500 ml and the need of blood transfusion was associated with deterioration of postoperative renal function, affecting the 5-year survival of patients.


OBJETIVO: Analizar qué factores influyen en el deterioro de la función renal en pacientes sometidos a reconstrucción aórtica abierta o endovascular, y su impacto en la supervivencia. MÉTODO: Estudio retrospectivo. Se analizaron variables demográficas, de laboratorio, transoperatorias y posoperatorias. Se determinó la función renal y se utilizó la prueba exacta de Fisher en la búsqueda de asociaciones, y el análisis de Kaplan-Meier para estimar la supervivencia. RESULTADOS: De 2007 a 2017, 80 pacientes (media de edad: 70 años) fueron sometidos a procedimientos de reconstrucción aórtica. Cincuenta y ocho (73%) eran de sexo masculino. Doce (15%) tuvieron elevación de creatinina en el posoperatorio y sangrado mayor de 1500 ml con necesidad de transfusión que se asoció a insuficiencia renal aguda (p = 0.005). Durante el periodo de seguimiento de 60 meses, 8 (10%) pacientes desarrollaron insuficiencia renal crónica, 2 (2.5%) requirieron hemodiálisis y 18 (22%) fallecieron. La edad, el sexo, la comorbilidad y las características anatómicas del aneurisma, así como el tipo de intervención o el nivel de pinzamiento aórtico, no impactaron la función renal posoperatoria. CONCLUSIONES: La reparación de los aneurismas aórticos complejos continúa siendo un reto. Un sangrado superior a 1500 ml, con necesidad de transfusión, se asoció a deterioro de la función renal posoperatoria e impactó en la supervivencia a 5 años.


Subject(s)
Acute Kidney Injury/etiology , Aortic Aneurysm/surgery , Endovascular Procedures/adverse effects , Kidney Failure, Chronic/etiology , Plastic Surgery Procedures/adverse effects , Postoperative Complications/etiology , Acute Kidney Injury/blood , Acute Kidney Injury/mortality , Adult , Aged , Aged, 80 and over , Aortic Aneurysm/mortality , Blood Loss, Surgical , Creatinine/blood , Endovascular Procedures/statistics & numerical data , Female , Follow-Up Studies , Humans , Kaplan-Meier Estimate , Kidney Failure, Chronic/blood , Kidney Failure, Chronic/mortality , Kidney Failure, Chronic/therapy , Male , Middle Aged , Postoperative Complications/blood , Postoperative Complications/mortality , Plastic Surgery Procedures/statistics & numerical data , Renal Dialysis/statistics & numerical data , Retrospective Studies , Young Adult
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