Surgical approaches in juxtarenal and pararenal aortic aneurysms repair.

BACKGROUND: In this study, surgical tactic features and juxtarenal and pararenal treatment immediate results were analyzed depending on the use of various surgical approaches. METHODS: Between 2015 and 2019, a total of 89 patients received surgical treatment, of which 52(58%) had juxtarenal aneurysms and 37 (42%) - pararenal aneurysms. During repairs, three types of surgical approaches were used: midline laparotomy, extended retroperitoneal approach and thoraco-phreno-retroperitoneal approach. The patients were divided into three groups accordingly. RESULTS: At the immediate postoperative period, mortality rate equaled 2 (2.2%). The reasons were pulmonary embolism and sepsis. Statistically reliable data were obtained, confirming the advantages of midline laparotomic approach over the lateral retroperitoneal ones, which consisted in a shorter operative time, less pronounced pain syndrome, lesser blood loss, fewer postoperative days. The disadvantages were that enteroparesis occurred more often when the midline laparotomy was used in comparison to extended retroperitoneal or thoraco-phrenoretroperitoneal approaches. CONCLUSION: Thus, open repairs of juxtarenal and pararenal aortic aneurysms have some specific technical and strategical features which are associated with intraoperative renal ischemia. During open surgical intervention, it is important to first consider the possibility of repair with midline laparotomy. However, lateral retroperitoneal approaches can also be used on a case-by-case basis noting their advantages and disadvantages.

Reduction aortoplasty for ascending aortic aneurysm: a 14-year experience.

We present early results and long-term follow-up after reduction aortoplasty with external wrapping of the ascending aorta. From December 1993 to February 2008, 32 consecutive patients who had reduction aortoplasty were compared with 47 consecutive patients who underwent prosthetic graft replacement of the ascending aorta. The groups were similar in baseline characteristics. Patients in the reduction aortoplasty group had significantly shorter aortic crossclamp times (18.78 +/- 1.91 vs. 34.04 +/- 3.25 min) and cardiopulmonary bypass times (30.16 +/- 2.36 vs. 60.83 +/- 2.05 min), and they received fewer transfusions. There was no significant enlargement of the aortic diameter at the level of the sinus of Valsalva in the reduction aortoplasty group during the follow-up period (from 38.84 +/- 3.10 to 39.48 +/- 2.72 mm). Reduction aortoplasty with external wrapping of the ascending aorta is a simple and promising surgical method. Our experience shows that this technique is the procedure of choice in patients without aortic dissection and with an appropriately sized sinus of Valsalva.

Modified muscle-sparing high approach to the thoracoabdominal aorta.

A modified muscle-sparing high approach to the thoracoabdominal aorta is described, which improves surgical access for thoracoabdominal aortic aneurysm repair. Since 2000, 16 patients with type I and II thoracoabdominal aortic aneurysms have undergone aortic graft replacement using this approach via the 3(rd) intercostal space. There were no hospital deaths. Three (18.8%) patients had severe postoperative pain requiring prolonged analgesia. This approach is a good alternative to the standard approach via the 6(th) intercostal space.