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Ishikawa, T. et al.

Toru Ishikawa, Hiroteru Kamimura, Atsunori Tsuchiya, Tadayuki Togashi, Kouji Watanabe, Kei Seki, Hironobu Ohta, Toshiaki Yoshida, Noriko Ishihara, Tomoteru Kamimura,

Comparison of a new aspiration needle device and the Quick-Core biopsy needle for transjugular liver biopsy.

AIM: To evaluate sample adequacy, safety, and needle passes of a new biopsy needle device compared to the Quick-Core biopsy needle for transjugular liver biopsy in patients affected by liver disease. METHODS: Thirty consecutive liver-disease patients who had major coagulation abnormalities and/or relevant ascites underwent transjugular liver biopsy using either a new needle device (18 patients) or the Quick-Core biopsy needle (12 patients). The length of the specimens was measured before fixation. A pathologist reviewed the histological slides for sample adequacy and pathologic diagnoses. The two methods'specimen adequacy and complication rates were assessed. RESULTS: Liver biopsies were technically successful in all 30 (100%) patients, with diagnostic histological core specimens obtained in 30 of 30 (100%) patients, for an overall success rate of 100%. With the new device, 18 specimens were obtained, with an average of 1.1 passes per patient. Using the Quick-Core biopsy needle, 12 specimens were obtained, with an average of 1.8 passes per patient. Specimen length was significantly longer with the new needle device than with the Quick-Core biopsy needle (P < 0.05). The biopsy tissue was not fragmented in any of the specimens with the new aspiration needle device, but tissue was fragmented in 3 of 12 (25.0%) specimens obtained using the Quick-Core biopsy needle. Complications included cardiac arrhythmia in 3 (10.0%) patients, and transient abdominal pain in 4 (13.3%) patients. There were no cases of subcapsular hematoma, hemoperitoneum, or sepsis, and there was no death secondary to the procedure. In particular, no early or delayed major procedure-related complications were observed in any patient. CONCLUSION: Transjugular liver biopsy is a safe and effective procedure, and there was significant difference in the adequacy of the specimens obtained using the new needle device compared to the Quick-Core biopsy needle. Using the new biopsy needle device, the specimens showed no tissue fragmentation and no increment in major procedure-related complications was observed.[1]

References

Comparison of a new aspiration needle device and the Quick-Core biopsy needle for transjugular liver biopsy. Ishikawa, T., Kamimura, H., Tsuchiya, A., Togashi, T., Watanabe, K., Seki, K., Ohta, H., Yoshida, T., Ishihara, N., Kamimura, T. World J. Gastroenterol. (2006) [Pubmed]

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