Biopsy-based estimation of total nephron number in Japanese living kidney donors
Background Increasing evidence suggests that individuals with low nephron number have an increased lifetime risk of renal insufficiency, thereby emphasizing the importance of evaluating total nephron number in each individual. In recent years, new methods have been described for estimating human tot...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Sasaki, Takaya [verfasserIn] Tsuboi, Nobuo [verfasserIn] Kanzaki, Go [verfasserIn] Haruhara, Kotaro [verfasserIn] Okabayashi, Yusuke [verfasserIn] Koike, Kentaro [verfasserIn] Kobayashi, Akimitsu [verfasserIn] Yamamoto, Izumi [verfasserIn] Ogura, Makoto [verfasserIn] Hoy, Wendy E. [verfasserIn] Bertram, John F. [verfasserIn] Shimizu, Akira [verfasserIn] Yokoo, Takashi [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Clinical and experimental nephrology - [Tokyo] : Springer, 1997, 23(2019), 5 vom: 12. Jan., Seite 629-637 |
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| Übergeordnetes Werk: |
volume:23 ; year:2019 ; number:5 ; day:12 ; month:01 ; pages:629-637 |
| Links: |
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| DOI / URN: |
10.1007/s10157-018-01686-2 |
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| Katalog-ID: |
SPR008980977 |
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| 520 | |a Background Increasing evidence suggests that individuals with low nephron number have an increased lifetime risk of renal insufficiency, thereby emphasizing the importance of evaluating total nephron number in each individual. In recent years, new methods have been described for estimating human total nephron number using a combination of image analysis and renal biopsy, though the reproducibility and accuracy of these methods remain uncertain. This study estimated total nephron number in healthy Japanese subjects using such a method. Methods Implantation biopsies from 44 living kidney donors were analyzed. Using pre-donation contrast CT angiograms, transplantation donor kidneys were three-dimensionally reconstructed, and total renal cortical volume was estimated. Total nephron number was estimated based on glomerular density in biopsy specimens and total renal cortical volume. The obtained results were analyzed in relation to clinical variables and compared with those of a previously reported Japanese autopsy study. Results The estimated non-sclerotic and total numbers of glomeruli in this cohort were 650,000 ± 220,000 and 710,000 ± 220,000 (mean ± SD) per kidney. Non-sclerotic glomerular number ranged from 280,000 to 1,220,000 per kidney (4.4-fold) and correlated directly with eGFR (r = 0.328, p = 0.030) and inversely with age (r = − 0.355, p = 0.018). Conclusion The estimated total nephron number obtained in the present study was 25% less than that reported in American living kidney donors obtained using the same procedure and similar to that obtained in a previous Japanese autopsy study using the disector/fractionator method. These results confirm the feasibility of a combined CT angiography and biopsy-based method to estimate total nephron number in humans. | ||
| 650 | 4 | |a Nephron number |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Renal biopsy |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Angiogram |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Kidney transplantation |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Tsuboi, Nobuo |e verfasserin |4 aut | |
| 700 | 1 | |a Kanzaki, Go |e verfasserin |4 aut | |
| 700 | 1 | |a Haruhara, Kotaro |e verfasserin |4 aut | |
| 700 | 1 | |a Okabayashi, Yusuke |e verfasserin |4 aut | |
| 700 | 1 | |a Koike, Kentaro |e verfasserin |4 aut | |
| 700 | 1 | |a Kobayashi, Akimitsu |e verfasserin |4 aut | |
| 700 | 1 | |a Yamamoto, Izumi |e verfasserin |4 aut | |
| 700 | 1 | |a Ogura, Makoto |e verfasserin |4 aut | |
| 700 | 1 | |a Hoy, Wendy E. |e verfasserin |4 aut | |
| 700 | 1 | |a Bertram, John F. |e verfasserin |4 aut | |
| 700 | 1 | |a Shimizu, Akira |e verfasserin |4 aut | |
| 700 | 1 | |a Yokoo, Takashi |e verfasserin |4 aut | |
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10.1007/s10157-018-01686-2 doi (DE-627)SPR008980977 (SPR)s10157-018-01686-2-e DE-627 ger DE-627 rakwb eng 610 ASE 610 ASE 44.88 bkl Sasaki, Takaya verfasserin aut Biopsy-based estimation of total nephron number in Japanese living kidney donors 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background Increasing evidence suggests that individuals with low nephron number have an increased lifetime risk of renal insufficiency, thereby emphasizing the importance of evaluating total nephron number in each individual. In recent years, new methods have been described for estimating human total nephron number using a combination of image analysis and renal biopsy, though the reproducibility and accuracy of these methods remain uncertain. This study estimated total nephron number in healthy Japanese subjects using such a method. Methods Implantation biopsies from 44 living kidney donors were analyzed. Using pre-donation contrast CT angiograms, transplantation donor kidneys were three-dimensionally reconstructed, and total renal cortical volume was estimated. Total nephron number was estimated based on glomerular density in biopsy specimens and total renal cortical volume. The obtained results were analyzed in relation to clinical variables and compared with those of a previously reported Japanese autopsy study. Results The estimated non-sclerotic and total numbers of glomeruli in this cohort were 650,000 ± 220,000 and 710,000 ± 220,000 (mean ± SD) per kidney. Non-sclerotic glomerular number ranged from 280,000 to 1,220,000 per kidney (4.4-fold) and correlated directly with eGFR (r = 0.328, p = 0.030) and inversely with age (r = − 0.355, p = 0.018). Conclusion The estimated total nephron number obtained in the present study was 25% less than that reported in American living kidney donors obtained using the same procedure and similar to that obtained in a previous Japanese autopsy study using the disector/fractionator method. These results confirm the feasibility of a combined CT angiography and biopsy-based method to estimate total nephron number in humans. Nephron number (dpeaa)DE-He213 Renal biopsy (dpeaa)DE-He213 Angiogram (dpeaa)DE-He213 Kidney transplantation (dpeaa)DE-He213 Tsuboi, Nobuo verfasserin aut Kanzaki, Go verfasserin aut Haruhara, Kotaro verfasserin aut Okabayashi, Yusuke verfasserin aut Koike, Kentaro verfasserin aut Kobayashi, Akimitsu verfasserin aut Yamamoto, Izumi verfasserin aut Ogura, Makoto verfasserin aut Hoy, Wendy E. verfasserin aut Bertram, John F. verfasserin aut Shimizu, Akira verfasserin aut Yokoo, Takashi verfasserin aut Enthalten in Clinical and experimental nephrology [Tokyo] : Springer, 1997 23(2019), 5 vom: 12. Jan., Seite 629-637 (DE-627)306646900 (DE-600)1499111-1 1437-7799 nnns volume:23 year:2019 number:5 day:12 month:01 pages:629-637 https://dx.doi.org/10.1007/s10157-018-01686-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.88 ASE AR 23 2019 5 12 01 629-637 |
| spelling |
10.1007/s10157-018-01686-2 doi (DE-627)SPR008980977 (SPR)s10157-018-01686-2-e DE-627 ger DE-627 rakwb eng 610 ASE 610 ASE 44.88 bkl Sasaki, Takaya verfasserin aut Biopsy-based estimation of total nephron number in Japanese living kidney donors 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background Increasing evidence suggests that individuals with low nephron number have an increased lifetime risk of renal insufficiency, thereby emphasizing the importance of evaluating total nephron number in each individual. In recent years, new methods have been described for estimating human total nephron number using a combination of image analysis and renal biopsy, though the reproducibility and accuracy of these methods remain uncertain. This study estimated total nephron number in healthy Japanese subjects using such a method. Methods Implantation biopsies from 44 living kidney donors were analyzed. Using pre-donation contrast CT angiograms, transplantation donor kidneys were three-dimensionally reconstructed, and total renal cortical volume was estimated. Total nephron number was estimated based on glomerular density in biopsy specimens and total renal cortical volume. The obtained results were analyzed in relation to clinical variables and compared with those of a previously reported Japanese autopsy study. Results The estimated non-sclerotic and total numbers of glomeruli in this cohort were 650,000 ± 220,000 and 710,000 ± 220,000 (mean ± SD) per kidney. Non-sclerotic glomerular number ranged from 280,000 to 1,220,000 per kidney (4.4-fold) and correlated directly with eGFR (r = 0.328, p = 0.030) and inversely with age (r = − 0.355, p = 0.018). Conclusion The estimated total nephron number obtained in the present study was 25% less than that reported in American living kidney donors obtained using the same procedure and similar to that obtained in a previous Japanese autopsy study using the disector/fractionator method. These results confirm the feasibility of a combined CT angiography and biopsy-based method to estimate total nephron number in humans. Nephron number (dpeaa)DE-He213 Renal biopsy (dpeaa)DE-He213 Angiogram (dpeaa)DE-He213 Kidney transplantation (dpeaa)DE-He213 Tsuboi, Nobuo verfasserin aut Kanzaki, Go verfasserin aut Haruhara, Kotaro verfasserin aut Okabayashi, Yusuke verfasserin aut Koike, Kentaro verfasserin aut Kobayashi, Akimitsu verfasserin aut Yamamoto, Izumi verfasserin aut Ogura, Makoto verfasserin aut Hoy, Wendy E. verfasserin aut Bertram, John F. verfasserin aut Shimizu, Akira verfasserin aut Yokoo, Takashi verfasserin aut Enthalten in Clinical and experimental nephrology [Tokyo] : Springer, 1997 23(2019), 5 vom: 12. Jan., Seite 629-637 (DE-627)306646900 (DE-600)1499111-1 1437-7799 nnns volume:23 year:2019 number:5 day:12 month:01 pages:629-637 https://dx.doi.org/10.1007/s10157-018-01686-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.88 ASE AR 23 2019 5 12 01 629-637 |
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10.1007/s10157-018-01686-2 doi (DE-627)SPR008980977 (SPR)s10157-018-01686-2-e DE-627 ger DE-627 rakwb eng 610 ASE 610 ASE 44.88 bkl Sasaki, Takaya verfasserin aut Biopsy-based estimation of total nephron number in Japanese living kidney donors 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background Increasing evidence suggests that individuals with low nephron number have an increased lifetime risk of renal insufficiency, thereby emphasizing the importance of evaluating total nephron number in each individual. In recent years, new methods have been described for estimating human total nephron number using a combination of image analysis and renal biopsy, though the reproducibility and accuracy of these methods remain uncertain. This study estimated total nephron number in healthy Japanese subjects using such a method. Methods Implantation biopsies from 44 living kidney donors were analyzed. Using pre-donation contrast CT angiograms, transplantation donor kidneys were three-dimensionally reconstructed, and total renal cortical volume was estimated. Total nephron number was estimated based on glomerular density in biopsy specimens and total renal cortical volume. The obtained results were analyzed in relation to clinical variables and compared with those of a previously reported Japanese autopsy study. Results The estimated non-sclerotic and total numbers of glomeruli in this cohort were 650,000 ± 220,000 and 710,000 ± 220,000 (mean ± SD) per kidney. Non-sclerotic glomerular number ranged from 280,000 to 1,220,000 per kidney (4.4-fold) and correlated directly with eGFR (r = 0.328, p = 0.030) and inversely with age (r = − 0.355, p = 0.018). Conclusion The estimated total nephron number obtained in the present study was 25% less than that reported in American living kidney donors obtained using the same procedure and similar to that obtained in a previous Japanese autopsy study using the disector/fractionator method. These results confirm the feasibility of a combined CT angiography and biopsy-based method to estimate total nephron number in humans. Nephron number (dpeaa)DE-He213 Renal biopsy (dpeaa)DE-He213 Angiogram (dpeaa)DE-He213 Kidney transplantation (dpeaa)DE-He213 Tsuboi, Nobuo verfasserin aut Kanzaki, Go verfasserin aut Haruhara, Kotaro verfasserin aut Okabayashi, Yusuke verfasserin aut Koike, Kentaro verfasserin aut Kobayashi, Akimitsu verfasserin aut Yamamoto, Izumi verfasserin aut Ogura, Makoto verfasserin aut Hoy, Wendy E. verfasserin aut Bertram, John F. verfasserin aut Shimizu, Akira verfasserin aut Yokoo, Takashi verfasserin aut Enthalten in Clinical and experimental nephrology [Tokyo] : Springer, 1997 23(2019), 5 vom: 12. Jan., Seite 629-637 (DE-627)306646900 (DE-600)1499111-1 1437-7799 nnns volume:23 year:2019 number:5 day:12 month:01 pages:629-637 https://dx.doi.org/10.1007/s10157-018-01686-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.88 ASE AR 23 2019 5 12 01 629-637 |
| allfieldsGer |
10.1007/s10157-018-01686-2 doi (DE-627)SPR008980977 (SPR)s10157-018-01686-2-e DE-627 ger DE-627 rakwb eng 610 ASE 610 ASE 44.88 bkl Sasaki, Takaya verfasserin aut Biopsy-based estimation of total nephron number in Japanese living kidney donors 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background Increasing evidence suggests that individuals with low nephron number have an increased lifetime risk of renal insufficiency, thereby emphasizing the importance of evaluating total nephron number in each individual. In recent years, new methods have been described for estimating human total nephron number using a combination of image analysis and renal biopsy, though the reproducibility and accuracy of these methods remain uncertain. This study estimated total nephron number in healthy Japanese subjects using such a method. Methods Implantation biopsies from 44 living kidney donors were analyzed. Using pre-donation contrast CT angiograms, transplantation donor kidneys were three-dimensionally reconstructed, and total renal cortical volume was estimated. Total nephron number was estimated based on glomerular density in biopsy specimens and total renal cortical volume. The obtained results were analyzed in relation to clinical variables and compared with those of a previously reported Japanese autopsy study. Results The estimated non-sclerotic and total numbers of glomeruli in this cohort were 650,000 ± 220,000 and 710,000 ± 220,000 (mean ± SD) per kidney. Non-sclerotic glomerular number ranged from 280,000 to 1,220,000 per kidney (4.4-fold) and correlated directly with eGFR (r = 0.328, p = 0.030) and inversely with age (r = − 0.355, p = 0.018). Conclusion The estimated total nephron number obtained in the present study was 25% less than that reported in American living kidney donors obtained using the same procedure and similar to that obtained in a previous Japanese autopsy study using the disector/fractionator method. These results confirm the feasibility of a combined CT angiography and biopsy-based method to estimate total nephron number in humans. Nephron number (dpeaa)DE-He213 Renal biopsy (dpeaa)DE-He213 Angiogram (dpeaa)DE-He213 Kidney transplantation (dpeaa)DE-He213 Tsuboi, Nobuo verfasserin aut Kanzaki, Go verfasserin aut Haruhara, Kotaro verfasserin aut Okabayashi, Yusuke verfasserin aut Koike, Kentaro verfasserin aut Kobayashi, Akimitsu verfasserin aut Yamamoto, Izumi verfasserin aut Ogura, Makoto verfasserin aut Hoy, Wendy E. verfasserin aut Bertram, John F. verfasserin aut Shimizu, Akira verfasserin aut Yokoo, Takashi verfasserin aut Enthalten in Clinical and experimental nephrology [Tokyo] : Springer, 1997 23(2019), 5 vom: 12. Jan., Seite 629-637 (DE-627)306646900 (DE-600)1499111-1 1437-7799 nnns volume:23 year:2019 number:5 day:12 month:01 pages:629-637 https://dx.doi.org/10.1007/s10157-018-01686-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.88 ASE AR 23 2019 5 12 01 629-637 |
| allfieldsSound |
10.1007/s10157-018-01686-2 doi (DE-627)SPR008980977 (SPR)s10157-018-01686-2-e DE-627 ger DE-627 rakwb eng 610 ASE 610 ASE 44.88 bkl Sasaki, Takaya verfasserin aut Biopsy-based estimation of total nephron number in Japanese living kidney donors 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background Increasing evidence suggests that individuals with low nephron number have an increased lifetime risk of renal insufficiency, thereby emphasizing the importance of evaluating total nephron number in each individual. In recent years, new methods have been described for estimating human total nephron number using a combination of image analysis and renal biopsy, though the reproducibility and accuracy of these methods remain uncertain. This study estimated total nephron number in healthy Japanese subjects using such a method. Methods Implantation biopsies from 44 living kidney donors were analyzed. Using pre-donation contrast CT angiograms, transplantation donor kidneys were three-dimensionally reconstructed, and total renal cortical volume was estimated. Total nephron number was estimated based on glomerular density in biopsy specimens and total renal cortical volume. The obtained results were analyzed in relation to clinical variables and compared with those of a previously reported Japanese autopsy study. Results The estimated non-sclerotic and total numbers of glomeruli in this cohort were 650,000 ± 220,000 and 710,000 ± 220,000 (mean ± SD) per kidney. Non-sclerotic glomerular number ranged from 280,000 to 1,220,000 per kidney (4.4-fold) and correlated directly with eGFR (r = 0.328, p = 0.030) and inversely with age (r = − 0.355, p = 0.018). Conclusion The estimated total nephron number obtained in the present study was 25% less than that reported in American living kidney donors obtained using the same procedure and similar to that obtained in a previous Japanese autopsy study using the disector/fractionator method. These results confirm the feasibility of a combined CT angiography and biopsy-based method to estimate total nephron number in humans. Nephron number (dpeaa)DE-He213 Renal biopsy (dpeaa)DE-He213 Angiogram (dpeaa)DE-He213 Kidney transplantation (dpeaa)DE-He213 Tsuboi, Nobuo verfasserin aut Kanzaki, Go verfasserin aut Haruhara, Kotaro verfasserin aut Okabayashi, Yusuke verfasserin aut Koike, Kentaro verfasserin aut Kobayashi, Akimitsu verfasserin aut Yamamoto, Izumi verfasserin aut Ogura, Makoto verfasserin aut Hoy, Wendy E. verfasserin aut Bertram, John F. verfasserin aut Shimizu, Akira verfasserin aut Yokoo, Takashi verfasserin aut Enthalten in Clinical and experimental nephrology [Tokyo] : Springer, 1997 23(2019), 5 vom: 12. Jan., Seite 629-637 (DE-627)306646900 (DE-600)1499111-1 1437-7799 nnns volume:23 year:2019 number:5 day:12 month:01 pages:629-637 https://dx.doi.org/10.1007/s10157-018-01686-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.88 ASE AR 23 2019 5 12 01 629-637 |
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Enthalten in Clinical and experimental nephrology 23(2019), 5 vom: 12. Jan., Seite 629-637 volume:23 year:2019 number:5 day:12 month:01 pages:629-637 |
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Enthalten in Clinical and experimental nephrology 23(2019), 5 vom: 12. Jan., Seite 629-637 volume:23 year:2019 number:5 day:12 month:01 pages:629-637 |
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Sasaki, Takaya @@aut@@ Tsuboi, Nobuo @@aut@@ Kanzaki, Go @@aut@@ Haruhara, Kotaro @@aut@@ Okabayashi, Yusuke @@aut@@ Koike, Kentaro @@aut@@ Kobayashi, Akimitsu @@aut@@ Yamamoto, Izumi @@aut@@ Ogura, Makoto @@aut@@ Hoy, Wendy E. @@aut@@ Bertram, John F. @@aut@@ Shimizu, Akira @@aut@@ Yokoo, Takashi @@aut@@ |
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2019-01-12T00:00:00Z |
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In recent years, new methods have been described for estimating human total nephron number using a combination of image analysis and renal biopsy, though the reproducibility and accuracy of these methods remain uncertain. This study estimated total nephron number in healthy Japanese subjects using such a method. Methods Implantation biopsies from 44 living kidney donors were analyzed. Using pre-donation contrast CT angiograms, transplantation donor kidneys were three-dimensionally reconstructed, and total renal cortical volume was estimated. Total nephron number was estimated based on glomerular density in biopsy specimens and total renal cortical volume. The obtained results were analyzed in relation to clinical variables and compared with those of a previously reported Japanese autopsy study. Results The estimated non-sclerotic and total numbers of glomeruli in this cohort were 650,000 ± 220,000 and 710,000 ± 220,000 (mean ± SD) per kidney. Non-sclerotic glomerular number ranged from 280,000 to 1,220,000 per kidney (4.4-fold) and correlated directly with eGFR (r = 0.328, p = 0.030) and inversely with age (r = − 0.355, p = 0.018). Conclusion The estimated total nephron number obtained in the present study was 25% less than that reported in American living kidney donors obtained using the same procedure and similar to that obtained in a previous Japanese autopsy study using the disector/fractionator method. 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Sasaki, Takaya |
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Sasaki, Takaya ddc 610 bkl 44.88 misc Nephron number misc Renal biopsy misc Angiogram misc Kidney transplantation Biopsy-based estimation of total nephron number in Japanese living kidney donors |
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610 ASE 44.88 bkl Biopsy-based estimation of total nephron number in Japanese living kidney donors Nephron number (dpeaa)DE-He213 Renal biopsy (dpeaa)DE-He213 Angiogram (dpeaa)DE-He213 Kidney transplantation (dpeaa)DE-He213 |
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ddc 610 bkl 44.88 misc Nephron number misc Renal biopsy misc Angiogram misc Kidney transplantation |
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ddc 610 bkl 44.88 misc Nephron number misc Renal biopsy misc Angiogram misc Kidney transplantation |
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Biopsy-based estimation of total nephron number in Japanese living kidney donors |
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Biopsy-based estimation of total nephron number in Japanese living kidney donors |
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Sasaki, Takaya |
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Clinical and experimental nephrology |
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Sasaki, Takaya Tsuboi, Nobuo Kanzaki, Go Haruhara, Kotaro Okabayashi, Yusuke Koike, Kentaro Kobayashi, Akimitsu Yamamoto, Izumi Ogura, Makoto Hoy, Wendy E. Bertram, John F. Shimizu, Akira Yokoo, Takashi |
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Sasaki, Takaya |
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10.1007/s10157-018-01686-2 |
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biopsy-based estimation of total nephron number in japanese living kidney donors |
| title_auth |
Biopsy-based estimation of total nephron number in Japanese living kidney donors |
| abstract |
Background Increasing evidence suggests that individuals with low nephron number have an increased lifetime risk of renal insufficiency, thereby emphasizing the importance of evaluating total nephron number in each individual. In recent years, new methods have been described for estimating human total nephron number using a combination of image analysis and renal biopsy, though the reproducibility and accuracy of these methods remain uncertain. This study estimated total nephron number in healthy Japanese subjects using such a method. Methods Implantation biopsies from 44 living kidney donors were analyzed. Using pre-donation contrast CT angiograms, transplantation donor kidneys were three-dimensionally reconstructed, and total renal cortical volume was estimated. Total nephron number was estimated based on glomerular density in biopsy specimens and total renal cortical volume. The obtained results were analyzed in relation to clinical variables and compared with those of a previously reported Japanese autopsy study. Results The estimated non-sclerotic and total numbers of glomeruli in this cohort were 650,000 ± 220,000 and 710,000 ± 220,000 (mean ± SD) per kidney. Non-sclerotic glomerular number ranged from 280,000 to 1,220,000 per kidney (4.4-fold) and correlated directly with eGFR (r = 0.328, p = 0.030) and inversely with age (r = − 0.355, p = 0.018). Conclusion The estimated total nephron number obtained in the present study was 25% less than that reported in American living kidney donors obtained using the same procedure and similar to that obtained in a previous Japanese autopsy study using the disector/fractionator method. These results confirm the feasibility of a combined CT angiography and biopsy-based method to estimate total nephron number in humans. |
| abstractGer |
Background Increasing evidence suggests that individuals with low nephron number have an increased lifetime risk of renal insufficiency, thereby emphasizing the importance of evaluating total nephron number in each individual. In recent years, new methods have been described for estimating human total nephron number using a combination of image analysis and renal biopsy, though the reproducibility and accuracy of these methods remain uncertain. This study estimated total nephron number in healthy Japanese subjects using such a method. Methods Implantation biopsies from 44 living kidney donors were analyzed. Using pre-donation contrast CT angiograms, transplantation donor kidneys were three-dimensionally reconstructed, and total renal cortical volume was estimated. Total nephron number was estimated based on glomerular density in biopsy specimens and total renal cortical volume. The obtained results were analyzed in relation to clinical variables and compared with those of a previously reported Japanese autopsy study. Results The estimated non-sclerotic and total numbers of glomeruli in this cohort were 650,000 ± 220,000 and 710,000 ± 220,000 (mean ± SD) per kidney. Non-sclerotic glomerular number ranged from 280,000 to 1,220,000 per kidney (4.4-fold) and correlated directly with eGFR (r = 0.328, p = 0.030) and inversely with age (r = − 0.355, p = 0.018). Conclusion The estimated total nephron number obtained in the present study was 25% less than that reported in American living kidney donors obtained using the same procedure and similar to that obtained in a previous Japanese autopsy study using the disector/fractionator method. These results confirm the feasibility of a combined CT angiography and biopsy-based method to estimate total nephron number in humans. |
| abstract_unstemmed |
Background Increasing evidence suggests that individuals with low nephron number have an increased lifetime risk of renal insufficiency, thereby emphasizing the importance of evaluating total nephron number in each individual. In recent years, new methods have been described for estimating human total nephron number using a combination of image analysis and renal biopsy, though the reproducibility and accuracy of these methods remain uncertain. This study estimated total nephron number in healthy Japanese subjects using such a method. Methods Implantation biopsies from 44 living kidney donors were analyzed. Using pre-donation contrast CT angiograms, transplantation donor kidneys were three-dimensionally reconstructed, and total renal cortical volume was estimated. Total nephron number was estimated based on glomerular density in biopsy specimens and total renal cortical volume. The obtained results were analyzed in relation to clinical variables and compared with those of a previously reported Japanese autopsy study. Results The estimated non-sclerotic and total numbers of glomeruli in this cohort were 650,000 ± 220,000 and 710,000 ± 220,000 (mean ± SD) per kidney. Non-sclerotic glomerular number ranged from 280,000 to 1,220,000 per kidney (4.4-fold) and correlated directly with eGFR (r = 0.328, p = 0.030) and inversely with age (r = − 0.355, p = 0.018). Conclusion The estimated total nephron number obtained in the present study was 25% less than that reported in American living kidney donors obtained using the same procedure and similar to that obtained in a previous Japanese autopsy study using the disector/fractionator method. These results confirm the feasibility of a combined CT angiography and biopsy-based method to estimate total nephron number in humans. |
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Biopsy-based estimation of total nephron number in Japanese living kidney donors |
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Tsuboi, Nobuo Kanzaki, Go Haruhara, Kotaro Okabayashi, Yusuke Koike, Kentaro Kobayashi, Akimitsu Yamamoto, Izumi Ogura, Makoto Hoy, Wendy E. Bertram, John F. Shimizu, Akira Yokoo, Takashi |
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Tsuboi, Nobuo Kanzaki, Go Haruhara, Kotaro Okabayashi, Yusuke Koike, Kentaro Kobayashi, Akimitsu Yamamoto, Izumi Ogura, Makoto Hoy, Wendy E. Bertram, John F. Shimizu, Akira Yokoo, Takashi |
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| score |
7.400467 |