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Outcome of Selective Renal Artery Embolization in Managing Severe Bleeding after Percutaneous Nephrolithotomy.

Abstract：

OBJECTIVES:The aim of this study was to evaluate the characteristics of the renal arterial segment bleeding and assess the outcome of selective renal artery embolization (SRAE). METHODS:Data on 35 patients in whom SRAE was performed after percutaneous nephrolithotomy (PCNL) from January 2005 to December 2015 in our institute were retrospectively analyzed. All patients had severe bleeding but failed to respond to conservative therapy. RESULTS:Forty-four SRAEs were performed in 35 patients (36 kidney units) after PCNL. The findings of 44 renal arteriographies before embolization revealed bleeding in 44 renal artery branch segments. Upper artery segment bleeding in 0, upper and anterior segment bleeding in 3, lower and anterior artery segment bleeding in 6, lower artery segment bleeding in 9, posterior artery segment bleeding in 24, and negative finding in 2 patients. Renal arteriography revealed pseudoaneurysms in 20 (45.5%) patients, arteriovenous fistulas in 6 (13.6%) patients, renal artery branch laceration in 16 (36.4%) patients, and negative angiography finding in 2 (4.5%) patients. Acute bleeding in 7 patients (20.0%) and delayed bleeding in 28 patients (80.0%) were observed. The target vascular lesions were successfully treated by embolization in the first time in 28 cases. Six patients underwent 2 sessions and 1 had 3 sessions. New vascular lesions were the most common cause of failure of initial SEAE in our hospital. Abnormal renal function was observed in 5 patients, and they recovered to preoperative or normal level within 3 weeks. CONCLUSIONS:The posterior artery segment of the kidney is the most common bleeding site due to the choice of puncture site. Delayed bleeding (>24 h) was the most common type of bleeding. SRAE is an effective and safe method to treat the severe bleeding after PCNL.

journal_name

Urol Int

journal_title

Urologia internationalis

authors

Hong Y,Xiong L,Ye H,An L,Huang X,Xu Q

doi

10.1159/000508797

subject

Has Abstract

pub_date

2020-01-01 00:00:00

pages

797-802

issue

9-10

eissn

0042-1138

issn

1423-0399

pii

000508797

journal_volume

104

pub_type

杂志文章

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Outcome of Selective Renal Artery Embolization in Managing Severe Bleeding after Percutaneous Nephrolithotomy.