Artículo

Parodi, J.C.; Berguer, R.; Ferreira, L.M.; La Mura, R.; Schermerhorn, M.L. "Intra-aneurysmal pressure after incomplete endovascular exclusion" (2001) Journal of Vascular Surgery. 34(5):909-914
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Abstract:

Purpose: An endoleak results from the incomplete endovascular exclusion of an aneurysm. We developed an experimental model to analyze hemodynamic changes within the aneurysm sac in the presence of an endoleak, with and without a simulated open collateral branch. Methods: With a latex aneurysm model connected to a pulsatile pump, pressures were measured simultaneously within the system (systemic pressure) and the aneurysm sac (intrasac pressure). The experiments were performed without endoleak (control group) and after creating a 3.5-mm (group 1), 4.5-mm (group 2), and 6-mm (group 3) diameter orifice in the endograft, simulating an endoleak. Pressures were also registered with and without a patent aneurysm side branch. Results: In each endoleak group, the intrasac diastolic pressure (DP) and mean pressure (MP) were significantly higher than the systemic DP and MP (P = .01, P = .006, and P = .001, respectively), although the pressure curve was damped. The presence of an open side branch significantly reduced the intrasac DP and MP. Conclusion: In this model, intrasac pressures were significantly higher than systemic pressures in the presence of all endoleaks, even the smallest ones. Intrasac pressures higher than systemic pressure may pose a high risk for aneurysm rupture. Although patent side branches significantly reduce these pressures, the aggressive management of an endoleak should be pursued.

Registro:

Documento: Artículo
Título:Intra-aneurysmal pressure after incomplete endovascular exclusion
Autor:Parodi, J.C.; Berguer, R.; Ferreira, L.M.; La Mura, R.; Schermerhorn, M.L.
Filiación:Service of Vascular Surgery, Inst. Cardiovascular de Buenos Aires, Buenos Aires, Argentina
Service of Vascular Surgery, Harper University Hospital, Wayne State University, Buenos Aires, Argentina
Section of Vascular Surgery, Dartmouth Hitchcock Medical Center, Buenos Aires, Argentina
Inst. Cardiovascular de Buenos Aires, Blanco Encalada 1543, Buenos Aires, 1428, Argentina
Palabras clave:aneurysm; aneurysm rupture; article; biological model; blood vessel transplantation; human; pathophysiology; postoperative complication; pressure; Aneurysm; Aneurysm, Ruptured; Blood Vessel Prosthesis Implantation; Humans; Models, Cardiovascular; Postoperative Complications; Pressure
Año:2001
Volumen:34
Número:5
Página de inicio:909
Página de fin:914
DOI: http://dx.doi.org/10.1067/mva.2001.119038
Título revista:Journal of Vascular Surgery
Título revista abreviado:J. Vasc. Surg.
ISSN:07415214
CODEN:JVSUE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07415214_v34_n5_p909_Parodi

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Citas:

---------- APA ----------
Parodi, J.C., Berguer, R., Ferreira, L.M., La Mura, R. & Schermerhorn, M.L. (2001) . Intra-aneurysmal pressure after incomplete endovascular exclusion. Journal of Vascular Surgery, 34(5), 909-914.
http://dx.doi.org/10.1067/mva.2001.119038
---------- CHICAGO ----------
Parodi, J.C., Berguer, R., Ferreira, L.M., La Mura, R., Schermerhorn, M.L. "Intra-aneurysmal pressure after incomplete endovascular exclusion" . Journal of Vascular Surgery 34, no. 5 (2001) : 909-914.
http://dx.doi.org/10.1067/mva.2001.119038
---------- MLA ----------
Parodi, J.C., Berguer, R., Ferreira, L.M., La Mura, R., Schermerhorn, M.L. "Intra-aneurysmal pressure after incomplete endovascular exclusion" . Journal of Vascular Surgery, vol. 34, no. 5, 2001, pp. 909-914.
http://dx.doi.org/10.1067/mva.2001.119038
---------- VANCOUVER ----------
Parodi, J.C., Berguer, R., Ferreira, L.M., La Mura, R., Schermerhorn, M.L. Intra-aneurysmal pressure after incomplete endovascular exclusion. J. Vasc. Surg. 2001;34(5):909-914.
http://dx.doi.org/10.1067/mva.2001.119038