Postbiopsy splenic bleeding in a dog model: comparison of cauterization, embolization, and plugging of the needle tract.

Postbiopsy splenic bleeding in a dog model: comparison of cauterization, embolization, and plugging of the needle tract. Research Abstract Details 

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Postbiopsy splenic bleeding in a dog model: comparison of cauterization, embolization, and plugging of the needle tract. Abstract Text:

Seung Hong Choi,Jeong Min Lee,Kyoung Ho Lee,Se Hyung Kim,Jae Young Lee,Joon Koo Han,Byung Ihn Choi,

OBJECTIVE: The purpose of our study was to compare radiofrequency cauterization, embolization using an absorbable gelatin sponge, and a Histoacryl-Lipiodol mixture plugging as postbiopsy bleeding reduction methods after splenic core needle biopsy in a dog model. MATERIALS AND METHODS: Eleven mongrel dogs were randomly separated into nonheparinized (n = 5) and heparinized (n = 6) groups. Eight splenic biopsies per animal were performed using an 18-gauge automated core biopsy needle: two as controls, two ablated by radiofrequency, two embolized using an absorbable gelatin sponge, and two plugged using a Histoacryl-Lipiodol mixture. Procedure times and postbiopsy bleeding amounts were assessed. Statistically significant differences were determined by repeated measures analysis of variance; the Tukey-Kramer test for multiple comparisons was used for post hoc comparisons. Three-day follow-up CT scans were obtained to check for procedure-related complications or delayed bleeding. RESULTS: The postbiopsy bleeding reduction groups showed significantly less blood loss than the control group for both the nonheparinized (p < 0.0001) and heparinized groups (p < 0.0001). In the heparinized group, both radiofrequency cauterization (p < 0.01) and gelatin sponge embolization (p < 0.05) significantly reduced bleeding compared with Histoacryl-Lipiodol mixture plugging. Gelatin sponge embolization was the longest procedure (p < 0.001). On follow-up CT, no delayed bleeding was observed. However, multiple Histoacryl-Lipiodol emboli were observed in the splenic and portal veins in all the dogs we treated. CONCLUSION: Radiofrequency cauterization was found to be the most useful postbiopsy bleeding reduction method in terms of the amount of bleeding and the procedure time.

Postbiopsy splenic bleeding in a dog model: comparison of cauterization, embolization, and plugging of the needle tract. Publishing Authors By Initials

SH Choi,JM Lee,KH Lee,SH Kim,JY Lee,JK Han,BI Choi,

For similar tomography, x-ray computed research abstracts see: tomography, x-ray computed research

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Postbiopsy splenic bleeding in a dog model: comparison of cauterization, embolization, and plugging of the needle tract. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: AJR. American journal of roentgenology

VOLUME: 185

Page Numbers: 878-84

Journal Abbreviation:

ISSN: 0361-803X

DAY: 15

MONTH: Oct

YEAR: 2005

Postbiopsy splenic bleeding in a dog model: comparison of cauterization, embolization, and plugging of the needle tract. Information

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LANGUAGE: eng

NlmUniqueID: 7708173

Postbiopsy splenic bleeding in a dog model: comparison of cauterization, embolization, and plugging of the needle tract. Keywords Mesh Terms:

KEYWORDS: Tomography, X-Ray Computed

MESH TERMS: radiography

Chemical & Substance for Abstract: Postbiopsy splenic bleeding in a dog model: comparison of cauterization, embolization, and plugging of the needle tract. Information

Substance Name: Iodized Oil

Registry Number: 8001-40-9

Grant and Affiliation Information for Postbiopsy splenic bleeding in a dog model: comparison of cauterization, embolization, and plugging of the needle tract.

AFFILIATION: Department of Radiology and Institute of Radiation Medicine, Seoul National University College of Medicine, Clinical Research Institute, Seoul National University Hospital, 28 Yongon-dong, Chongno-gu, Seoul 110-744.

Country: United States

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MEDLINETA: AJR Am J Roentgenol

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