Postoperative continuous venovenous hemofiltration decreases acute renal failure in patients with moderate renal dysfunction undergoing coronary artery bypass grafting, but it prolongs intensive care unit stay. We developed a simple method to connect a hemofiltration machine to the cardiopulmonary bypass system. To evaluate the benefit of intraoperative hemofiltration, 124 consecutive patients (mean age, 67 ± 6 years) with moderate renal dysfunction were studied. Surgery was preformed between January 2005 and May 2007. On-pump coronary artery bypass with hemofiltration was carried out in 40 patients (group A), 44 had on-pump coronary artery bypass without hemofiltration (group B), and 40 had off-pump coronary artery bypass (group C). Postoperative acute renal failure was defined as either renal failure requiring dialysis or ≥50% decline from the baseline glomerular filtration rate but not requiring dialysis. The 3 groups had similar demographic data and preoperative renal function. After adjusting for covariates and propensity scores, multivariate analysis showed that intraoperative hemofiltration and off-pump surgery protected postoperative renal function. Independent risk factors for postoperative renal dysfunction were age>70 years, left ventricular ejection fraction <35%, and the preoperative glomerular filtration rate. © SAGE Publications 2009.

Intraoperative continuous venovenous hemofiltration during coronary surgery / A., Roscitano; Benedetto, Umberto; M., Goracci; Fabio, Capuano; R., Lucani; Sinatra, Riccardo. - In: ASIAN CARDIOVASCULAR AND THORACIC ANNALS. - ISSN 0218-4923. - 17:5(2009), pp. 462-466. [10.1177/0218492309348504]

Intraoperative continuous venovenous hemofiltration during coronary surgery

BENEDETTO, UMBERTO;SINATRA, Riccardo
2009

Abstract

Postoperative continuous venovenous hemofiltration decreases acute renal failure in patients with moderate renal dysfunction undergoing coronary artery bypass grafting, but it prolongs intensive care unit stay. We developed a simple method to connect a hemofiltration machine to the cardiopulmonary bypass system. To evaluate the benefit of intraoperative hemofiltration, 124 consecutive patients (mean age, 67 ± 6 years) with moderate renal dysfunction were studied. Surgery was preformed between January 2005 and May 2007. On-pump coronary artery bypass with hemofiltration was carried out in 40 patients (group A), 44 had on-pump coronary artery bypass without hemofiltration (group B), and 40 had off-pump coronary artery bypass (group C). Postoperative acute renal failure was defined as either renal failure requiring dialysis or ≥50% decline from the baseline glomerular filtration rate but not requiring dialysis. The 3 groups had similar demographic data and preoperative renal function. After adjusting for covariates and propensity scores, multivariate analysis showed that intraoperative hemofiltration and off-pump surgery protected postoperative renal function. Independent risk factors for postoperative renal dysfunction were age>70 years, left ventricular ejection fraction <35%, and the preoperative glomerular filtration rate. © SAGE Publications 2009.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11573/105673
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