Rapid estimation of split renal function in kidney donors using software developed for computed tomographic renal volumetry
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概要
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Purpose: To evaluate the speed and precision of split renal volume (SRV) measurement (SRV), which is the ratio of unilateral renal volume to bilateral renal volume, using a newly developed software for computed tomographic (CT) volumetry and to investigate the usefulness of SRV for the estimation of split renal function (SRF) in kidney donors. Method: Both dynamic CT and renal scintigraphy in 28 adult potential living renal donors were the subjects of this study. We calculated SRV using the newly developed volumetric software built into a PACS viewer (n-SRV), and compared it with SRV calculated using a conventional workstation, ZIOSOFT (z-SRV). The correlation with split renal function (SRF) using 99mTc-DMSA scintigraphy was also investigated. Results: The time required for volumetry of bilateral kidneys with the newly developed software (16.7 ± 3.9 sec) was significantly shorter than that of the workstation (102.6 ± 38.9 sec, p < 0.0001). The results of n-SRV (49.7 ± 4.0%) were highly consistent with those of z-SRV (49.9 ± 3.6%), with a mean discrepancy of 0.12 ± 0.84%. The SRF also agreed well with the n-SRV, with a mean discrepancy of 0.25 ± 1.65%. The dominant side determined by SRF and n-SRV showed agreement in 26 of 28 cases (92.9%). Conclusion: The newly developed software for CT volumetry was more rapid than the conventional workstation volumetry and just as accurate, and was suggested to be useful for the estimation of SRF and thus the dominant side in kidney donors.
著者
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Hirano Satoshi
北海道大学 医学研究科腫瘍外科学分野
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Sugiura Hiroshi
Department Of Surgical Oncology Division Of Cancer Medicine Hokkaido University Graduate School Of M
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HIRANO SATOSHI
Department of Surgical Oncology, Hokkaido University Graduate School of Medicine
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Shirato Hiroki
Keiyukai Sapporo Hospital Sapporo Jpn
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Omatsu Tokuhiko
Department Of Diagnostic And Interventional Radiology Hokkaido University Hospital
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Shirato Hiroki
Department Of Diagnostic And Interventional Radiology Hokkaido University Hospital
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KATO Fumi
Department of Diagnostic and Interventional Radiology, Hokkaido University Hospital
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Oyama Noriko
Department Of Diagnostic And Interventional Radiology Hokkaido University Hospital
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Terae Satoshi
Department Of Diagnostic And Interventional Radiology Hokkaido University Hospital
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Haba Shin
Department Of Gastroenterology Hokkaido University Graduate School Of Medicine
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Hirano Satoshi
Surgical Oncology Hokkaido University Graduate School Of Medicine
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