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Development of a new coaxial balloon catheter system for balloon-occluded retrograde transvenous obliteration (B-RTO).
Cardiovasc Intervent Radiol. 2006 Nov-Dec; 29(6):991-6.CI

Abstract

PURPOSE

To develop a new coaxial balloon catheter system and evaluate its clinical feasibility for balloon-occluded retrograde transvenous obliteration (B-RTO).

METHODS

A coaxial balloon catheter system was constructed with 9 Fr guiding balloon catheter and 5 Fr balloon catheter. A 5 Fr catheter has a high flexibility and can be coaxially inserted into the guiding catheter in advance. The catheter balloons are made of natural rubber and can be inflated to 2 cm (guiding) and 1 cm (5 Fr) maximum diameter. Between July 2003 and April 2005, 8 consecutive patients (6 men, 2 women; age range 33-72 years, mean age 55.5 years) underwent B-RTO using the balloon catheter system. Five percent ethanolamine oleate iopamidol (EOI) was used as sclerosing agent. The procedures, including maneuverability of the catheter, amount of injected sclerosing agent, necessity for coil embolization of collateral draining veins, and initial clinical results, were evaluated retrospectively. The occlusion rate was assessed by postcontrast CT within 2 weeks after B-RTO.

RESULTS

The balloon catheter could be advanced into the proximal potion of the gastrorenal shunt beyond the collateral draining vein in all cases. The amount of injected EOI ranged from 3 to 34 ml. Coil embolization of the collateral draining vein was required in 2 cases. Complete obliteration of gastric varices on initial follow-up CT was obtained in 7 cases. The remaining case required re-treatment that resulted in complete obstruction of the varices after the second B-RTO. No procedure-related complications were observed.

CONCLUSION

B-RTO using the new coaxial balloon catheter is feasible. Gastric varices can be treated more simply by using this catheter system.

Authors+Show Affiliations

Department of Academic Radiology, Oita University Faculty of Medicine, Idaigaoka, 1-1, Hasama-machi, Oita-gun, Oita, 879-593, Japan. tanoue@med.oita-u.ac.jpNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Evaluation Study
Journal Article

Language

eng

PubMed ID

16736100

Citation

Tanoue, Shuichi, et al. "Development of a New Coaxial Balloon Catheter System for Balloon-occluded Retrograde Transvenous Obliteration (B-RTO)." Cardiovascular and Interventional Radiology, vol. 29, no. 6, 2006, pp. 991-6.
Tanoue S, Kiyosue H, Matsumoto S, et al. Development of a new coaxial balloon catheter system for balloon-occluded retrograde transvenous obliteration (B-RTO). Cardiovasc Intervent Radiol. 2006;29(6):991-6.
Tanoue, S., Kiyosue, H., Matsumoto, S., Hori, Y., Okahara, M., Kashiwagi, J., & Mori, H. (2006). Development of a new coaxial balloon catheter system for balloon-occluded retrograde transvenous obliteration (B-RTO). Cardiovascular and Interventional Radiology, 29(6), 991-6.
Tanoue S, et al. Development of a New Coaxial Balloon Catheter System for Balloon-occluded Retrograde Transvenous Obliteration (B-RTO). Cardiovasc Intervent Radiol. 2006 Nov-Dec;29(6):991-6. PubMed PMID: 16736100.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Development of a new coaxial balloon catheter system for balloon-occluded retrograde transvenous obliteration (B-RTO). AU - Tanoue,Shuichi, AU - Kiyosue,Hiro, AU - Matsumoto,Shunro, AU - Hori,Yuzo, AU - Okahara,Mika, AU - Kashiwagi,Junji, AU - Mori,Hiromu, PY - 2006/6/1/pubmed PY - 2007/6/20/medline PY - 2006/6/1/entrez SP - 991 EP - 6 JF - Cardiovascular and interventional radiology JO - Cardiovasc Intervent Radiol VL - 29 IS - 6 N2 - PURPOSE: To develop a new coaxial balloon catheter system and evaluate its clinical feasibility for balloon-occluded retrograde transvenous obliteration (B-RTO). METHODS: A coaxial balloon catheter system was constructed with 9 Fr guiding balloon catheter and 5 Fr balloon catheter. A 5 Fr catheter has a high flexibility and can be coaxially inserted into the guiding catheter in advance. The catheter balloons are made of natural rubber and can be inflated to 2 cm (guiding) and 1 cm (5 Fr) maximum diameter. Between July 2003 and April 2005, 8 consecutive patients (6 men, 2 women; age range 33-72 years, mean age 55.5 years) underwent B-RTO using the balloon catheter system. Five percent ethanolamine oleate iopamidol (EOI) was used as sclerosing agent. The procedures, including maneuverability of the catheter, amount of injected sclerosing agent, necessity for coil embolization of collateral draining veins, and initial clinical results, were evaluated retrospectively. The occlusion rate was assessed by postcontrast CT within 2 weeks after B-RTO. RESULTS: The balloon catheter could be advanced into the proximal potion of the gastrorenal shunt beyond the collateral draining vein in all cases. The amount of injected EOI ranged from 3 to 34 ml. Coil embolization of the collateral draining vein was required in 2 cases. Complete obliteration of gastric varices on initial follow-up CT was obtained in 7 cases. The remaining case required re-treatment that resulted in complete obstruction of the varices after the second B-RTO. No procedure-related complications were observed. CONCLUSION: B-RTO using the new coaxial balloon catheter is feasible. Gastric varices can be treated more simply by using this catheter system. SN - 0174-1551 UR - https://www.unboundmedicine.com/medline/citation/16736100/Development_of_a_new_coaxial_balloon_catheter_system_for_balloon_occluded_retrograde_transvenous_obliteration__B_RTO__ L2 - https://dx.doi.org/10.1007/s00270-005-0039-7 DB - PRIME DP - Unbound Medicine ER -