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Hyperoxaluria is related to whewellite and hypercalciuria to weddellite: What happens when crystalline conversion occurs?

While calcium oxalate monohydrate (whewellite: CaC2 O 4 H 2 O) kidney stones are related to hyperoxaluria, calcium oxalate dihydrate (weddellite: CaC 2 O 4(2 + x)H 2 O) ones are mainly associated with hypercalciuria. Crystalline conversion from weddellite to whe-wellite introduces a contradiction be... Full description

Journal Title: Comptes Rendus Chimie 2016, Vol.19(11-12), p.1573–1579
Main Author: Bazin, Dominique
Other Authors: Leroy, César , Tielens, Frederik , Bonhomme, Christian , Bonhomme-Coury, Laure , Damay, Françoise , Le Denmat, Dominique , Sadoine, Jérémy , Rode, Julie , Frochot, Vincent , Emmanuel, Letavernier , Haymann, Jean-Philippe , Daudon, Michel
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1631-0748 ; E-ISSN: 1878-1543 ; DOI: 10.1016/j.crci.2015.12.011
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recordid: hal_soai_HAL_hal_01297865v1
title: Hyperoxaluria is related to whewellite and hypercalciuria to weddellite: What happens when crystalline conversion occurs?
format: Article
creator:
  • Bazin, Dominique
  • Leroy, César
  • Tielens, Frederik
  • Bonhomme, Christian
  • Bonhomme-Coury, Laure
  • Damay, Françoise
  • Le Denmat, Dominique
  • Sadoine, Jérémy
  • Rode, Julie
  • Frochot, Vincent
  • Emmanuel, Letavernier
  • Haymann, Jean-Philippe
  • Daudon, Michel
subjects:
  • Chemical Sciences
  • Crystalline Conversion
  • Weddellite
  • Hyperoxaluria
  • Hypercalciuria
  • Whewellite
  • Chemistry
ispartof: Comptes Rendus Chimie, 2016, Vol.19(11-12), p.1573–1579
description: While calcium oxalate monohydrate (whewellite: CaC2 O 4 H 2 O) kidney stones are related to hyperoxaluria, calcium oxalate dihydrate (weddellite: CaC 2 O 4(2 + x)H 2 O) ones are mainly associated with hypercalciuria. Crystalline conversion from weddellite to whe-wellite introduces a contradiction between Fourier transform infrared (FTIR) spectra which indicate the presence of whewellite and the fact that bipyramid crystallites, a morphology specific of weddellite, can be observed. It constitutes thus a major problem for clinicians as hyperoxaluria and hypercalciuria are associated with very different aetiologies and treatments. In this contribution, the complete set of data including neutron diffraction experiments, observations through a last generation field emission scanning electron microscope as well as 3D and 2D cross-section visualisations derived from the mComputed Tomography measurements seems to explain some particular features observed on FTIR spectra related to the crystalline conversion from weddellite to whewellite. The structural hypothesis which is proposed is related to the formation of amorphous whewellite, a new polymorph recently synthesised. Thus, in such cases, special attention should be paid to the stone morphology (and not FTIR spectrum), which is a major element for clinical diagnosis as already underlined for other types of urinary calculi.
language: eng
source:
identifier: ISSN: 1631-0748 ; E-ISSN: 1878-1543 ; DOI: 10.1016/j.crci.2015.12.011
fulltext: fulltext_linktorsrc
issn:
  • 1631-0748
  • 16310748
  • 1878-1543
  • 18781543
url: Link


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titleHyperoxaluria is related to whewellite and hypercalciuria to weddellite: What happens when crystalline conversion occurs?
creatorBazin, Dominique ; Leroy, César ; Tielens, Frederik ; Bonhomme, Christian ; Bonhomme-Coury, Laure ; Damay, Françoise ; Le Denmat, Dominique ; Sadoine, Jérémy ; Rode, Julie ; Frochot, Vincent ; Emmanuel, Letavernier ; Haymann, Jean-Philippe ; Daudon, Michel
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subjectChemical Sciences ; Crystalline Conversion ; Weddellite ; Hyperoxaluria ; Hypercalciuria ; Whewellite ; Chemistry
descriptionWhile calcium oxalate monohydrate (whewellite: CaC2 O 4 H 2 O) kidney stones are related to hyperoxaluria, calcium oxalate dihydrate (weddellite: CaC 2 O 4(2 + x)H 2 O) ones are mainly associated with hypercalciuria. Crystalline conversion from weddellite to whe-wellite introduces a contradiction between Fourier transform infrared (FTIR) spectra which indicate the presence of whewellite and the fact that bipyramid crystallites, a morphology specific of weddellite, can be observed. It constitutes thus a major problem for clinicians as hyperoxaluria and hypercalciuria are associated with very different aetiologies and treatments. In this contribution, the complete set of data including neutron diffraction experiments, observations through a last generation field emission scanning electron microscope as well as 3D and 2D cross-section visualisations derived from the mComputed Tomography measurements seems to explain some particular features observed on FTIR spectra related to the crystalline conversion from weddellite to whewellite. The structural hypothesis which is proposed is related to the formation of amorphous whewellite, a new polymorph recently synthesised. Thus, in such cases, special attention should be paid to the stone morphology (and not FTIR spectrum), which is a major element for clinical diagnosis as already underlined for other types of urinary calculi.
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titleHyperoxaluria is related to whewellite and hypercalciuria to weddellite: What happens when crystalline conversion occurs?
description

While calcium oxalate monohydrate (whewellite: CaC2 O 4 H 2 O) kidney stones are related to hyperoxaluria, calcium oxalate dihydrate (weddellite: CaC 2 O 4(2 + x)H 2 O) ones are mainly associated with hypercalciuria. Crystalline conversion from weddellite to whe-wellite introduces a contradiction between Fourier transform infrared (FTIR) spectra which indicate the presence of whewellite and the fact that bipyramid crystallites, a morphology specific of weddellite, can be observed. It constitutes thus a major problem for clinicians as hyperoxaluria and hypercalciuria are associated with very different aetiologies and treatments. In this contribution, the complete set of data including neutron diffraction experiments, observations through a last generation field emission scanning electron microscope as well as 3D and 2D cross-section visualisations derived from the mComputed Tomography measurements seems to explain some particular features observed on FTIR spectra related to the crystalline conversion from weddellite to whewellite. The structural hypothesis which is proposed is related to the formation of amorphous whewellite, a new polymorph recently synthesised. Thus, in such cases, special attention should be paid to the stone morphology (and not FTIR spectrum), which is a major element for clinical diagnosis as already underlined for other types of urinary calculi.

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abstract

While calcium oxalate monohydrate (whewellite: CaC2 O 4 H 2 O) kidney stones are related to hyperoxaluria, calcium oxalate dihydrate (weddellite: CaC 2 O 4(2 + x)H 2 O) ones are mainly associated with hypercalciuria. Crystalline conversion from weddellite to whe-wellite introduces a contradiction between Fourier transform infrared (FTIR) spectra which indicate the presence of whewellite and the fact that bipyramid crystallites, a morphology specific of weddellite, can be observed. It constitutes thus a major problem for clinicians as hyperoxaluria and hypercalciuria are associated with very different aetiologies and treatments. In this contribution, the complete set of data including neutron diffraction experiments, observations through a last generation field emission scanning electron microscope as well as 3D and 2D cross-section visualisations derived from the mComputed Tomography measurements seems to explain some particular features observed on FTIR spectra related to the crystalline conversion from weddellite to whewellite. The structural hypothesis which is proposed is related to the formation of amorphous whewellite, a new polymorph recently synthesised. Thus, in such cases, special attention should be paid to the stone morphology (and not FTIR spectrum), which is a major element for clinical diagnosis as already underlined for other types of urinary calculi.

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