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Can Aortic Balloon Occlusion Reduce Blood Loss During Resection of Sacral Tumors That Extend Into the Lower Lumber Spine?

Abstract：

BACKGROUND:Although aortic balloon occlusion has been shown to reduce blood loss during sacral tumor resections, it has not been validated in larger sacral tumors involving the lower lumbar spine. If such an approach were shown to be associated with less blood loss, it might aid the tumor surgeon in resecting these difficult tumors. QUESTIONS/PURPOSES:(1) Is the use of aortic balloon occlusion associated with reduced blood loss in sacral tumor resections when the lower lumbar spine is also involved? (2) Does the use of the aortic balloon prolong total operating time? (3) What complications are associated with the use of a balloon? METHODS:We retrospectively studied all 56 patients diagnosed with sacral tumors involving the lower lumbar spine (L4, L5) who were treated surgically between 2004 and 2015 at our institute. During that time, 30 of the patients received aortic balloon occlusion therapy, whereas 26 of the patients did not. We generally used aortic balloon occlusion during procedures for hypervascular lesions (for example, giant cell tumors or metastatic renal cancers), primary malignant lesions, and recurrent lesions. We generally avoided use of aortic balloon occlusion in patients with anatomic defects of the aorta (aortic dissection or aneurysm was strictly contraindicated), renal artery bifurcation caudal to the L2 to L3 disc, age older than 70 years or younger than 12 years, history of Stage 2 hypertension [], history of balloon use in previous surgeries, and presence of unstable plaque on abdominal CT. The demographic data, intraoperative blood loss, transfusion volume, operating time, and postoperative wound drainage between the two groups were collected and analyzed. Balloon-related complications were identified. Followup in terms of balloon-related complications was conducted in all 56 patients for at least 6 months after surgery. RESULTS:Intraoperative blood loss was determined to be less in patients treated with the balloon compared with those treated without the balloon (median volume, 2000 mL, range, 400-6000 mL versus 2650 mL, range, 550-6800 mL, respectively; median difference, 605 mL; 95% confidence interval [CI], 100-1500 mL; p = 0.035). Total operative time was not prolonged in the balloon group (including balloon insertion time) compared with those treated without it (median time, 215 minutes, range, 110-430 minutes versus 225 minutes, range, 115-340 minutes, respectively; median difference, 10 minutes; 95% CI, -40 to 30 minutes; p = 0.902). Balloon-related vascular complications included local hematoma at the puncture site in five patients, femoral artery spasm in three patients, lower limb ischemia in one patient, and femoral artery pseudoaneurysm in one patient. Acute kidney injury was found in two patients in the balloon group. CONCLUSIONS:This study demonstrated that placement of the aortic balloon at a level just caudal to the renal artery bifurcation was associated with lower intraoperative blood loss and transfusion in lumbosacral tumor resections. However, procedure-specific complications were common and there was no benefit to total operative time. We suggest that the surgical procedures still need to be further refined to minimize complications. We also recommend that prospective studies be undertaken to confirm the efficacy of aortic balloon occlusion in surgery for lumbosacral tumors. LEVEL OF EVIDENCE:Level III, therapeutic study.

journal_name

Clin Orthop Relat Res

journal_title

Clinical orthopaedics and related research

authors

Zhang Y,Guo W,Tang X,Yang R,Yan T,Dong S,Wang S,Zaphiros N

doi

10.1007/s11999.0000000000000053

subject

Has Abstract

pub_date

2018-03-01 00:00:00

pages

490-498

issue

eissn

0009-921X

issn

1528-1132

pii

00003086-201803000-00011

journal_volume

476

pub_type

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Can Aortic Balloon Occlusion Reduce Blood Loss During Resection of Sacral Tumors That Extend Into the Lower Lumber Spine?