Long-Term Result of the Transcatheter Arterial Embolization for Ruptured Renal Angiomyolipoma

Igarashi, Atsushi; Masuyama, Tsuneo; Watanabe, Kazuo; Higaki, Yoshio; Kuramoto, Noriaki; Suzuki, Kota; Yoshida, Hideki

doi:10.5980/jpnjurol1989.93.702

Cited by 6 publications

(4 citation statements)

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“…In our study, we used PVA 100-300 μc to occlude subsegmental branches of traumatic bleeding. Large vessels were incompletely occluded as the particles become embedded in the walls [22,23]. PVA control during injections is easy but reflux is common and occurred in one of seven studied cases.…”

Section: Discussionmentioning

confidence: 91%

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Clinical outcome and safety of selective renal artery embolization using permanent occlusive agents for acute renal bleeding

Alwarraky

Abdallah

Elgharbawy

2020

Egypt J Radiol Nucl Med

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Background To evaluate how far is selective renal artery embolization (RAE) using permanent agents effective in treating acute renal artery bleeding. We retrospectively reviewed the medical records of patients (n = 45) with renal bleeding who were managed by selective RAE using coils, N-butyl-cyanoacrylate glue (NBCA glue), and polyvinyl alcohol (PVA). Data retrieved included the cause, number, and type of the bleeding lesions as well as the results of the embolization for 1 year after RAE. Clinical success was the primary outcome while re-bleeding and complications were the secondary outcomes. Results There were 55 bleeding lesions detected by angiography in the included 45 patients. Coils were used in 23/45 patients (51.1%), NBCA glue in 15/45 patients (33.3%), and PVA in 7 patients (15.6%). Bleeding could be controlled with embolization in a single session in 41/45 patients with primary clinical success 91.1%. Four patients needed re-embolization sessions to control bleeding and only one patient was controlled, giving secondary clinical success of 92.3%. Three patients failed to respond to embolization and nephrectomy was done. Iatrogenic dissection of the segmental branch was seen in one patient. Post embolization syndrome was seen in 14/45 patients (31.1%). Non-target embolization was seen in 2 patients: one during treatment with NBCA glue and the other with PVA. No other complications were recorded. No significant differences between clinical success among coil, NBCA glue, and PVA subgroups (P > 0.05). Conclusion Selective RAE using permanent agents is effective in controlling renal bleeding and no significant difference among coil, NBCA glue, and PVA.

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Section: Discussionmentioning

confidence: 91%

“…PVA particles were used in many studies. These particles occlude variable-sized arteries according to their size range [22][23][24]. In our study, we used PVA 100-300 μc to occlude subsegmental branches of traumatic bleeding.…”

Section: Discussionmentioning

confidence: 99%

Clinical outcome and safety of selective renal artery embolization using permanent occlusive agents for acute renal bleeding

Alwarraky

Abdallah

Elgharbawy

2020

Egypt J Radiol Nucl Med

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“…Although experience is based on data from case series, both embolisation and nephron sparing surgery have been performed safely without compromising renal function both in elective cases [96,97] and acute renal haemorrhage [98], including during pregnancy [64]. Embolisation can be performed for active bleeding, is less invasive and does not require general anaesthesia but may need to be repeated.…”

Section: Treatment and Follow-up Of Angiomyolipomamentioning

confidence: 99%

European Respiratory Society guidelines for the diagnosis and management of lymphangioleiomyomatosis

Johnson¹,

Cordier²,

Lazor³

et al. 2009

Eur Respir J

483

561

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“…At the same time, embolization causes decrease in tumor size and can be used in case of a sudden hemorrhage as well as a planned therapeutic procedure. Renal artery embolization also enables the performance of conserving surgical procedure ( 1 , 4 , 5 ) .…”

Section: Discussionmentioning

confidence: 99%

Multiple renal angiomyolipomata. A case report

Kołacz¹,

Irzyk²,

Urbańczyk‐Zawadzka³

2012

J Ultrason

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We present a 76-year-old patient with multiple renal angiomylipoma in one kidney. The patient had not been having any urinary tract symptoms, the lesions in kidney were visualized in US examination performed because of cholelithiasis suspicion. Angiomyolipoma is included to the benign tumors of hamartoma group and its growth is related to the hormonal activity of the organism. Multiple renal angiomyolipomata, occurring very rarely, are usually related to the tuberous sclerosis syndrome (Bourneville-Pringle disease). The nature of this disease is the occurrence of multiple hamartoma type tumors in the skin, brain, kidneys, heart, bones, lungs and eyes. Small renal angiomyolipomata are asymptomatic and are usually accidentally diagnosed during imaging examinations, big ones may be the reason of significant ailments. Among severe, life threatening complications of renal angiomyolipoma one can number bleeding from the tumor. Bleeding risk depends on the tumor diameter and significantly increases in tumors of the diameter above 4 cm. Computed tomography is an imaging method recommended for the assessment of hemorrhagic complications in angiomyolipoma. The check-up frequency depends on the tumor diameter – in tumors smaller than 4 cm the examination is performed once yearly, in tumors greater than 4 cm – every 6 months. In the treatment of hemorrhagic complications of angiomyolipoma, a surgical treatment (partial or radical nephrectomy) or renal vessel embolization is used. Renal arteriography with embolization is an important therapeutic method to control the bleeding and to avoid surgery.

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Long-Term Result of the Transcatheter Arterial Embolization for Ruptured Renal Angiomyolipoma

Cited by 6 publications

References 0 publications

Clinical outcome and safety of selective renal artery embolization using permanent occlusive agents for acute renal bleeding

Clinical outcome and safety of selective renal artery embolization using permanent occlusive agents for acute renal bleeding

European Respiratory Society guidelines for the diagnosis and management of lymphangioleiomyomatosis

Multiple renal angiomyolipomata. A case report

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