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  1. Article: Renal replacement therapy for acute renal failure in children: European guidelines.

    Strazdins, Vladimirs / Watson, Alan R / Harvey, Ben

    Pediatric nephrology (Berlin, Germany)

    2003  Volume 19, Issue 2, Page(s) 199–207

    Abstract: Acute renal failure (ARF) is uncommon in childhood and there is little consensus on the appropriate treatment modality when renal replacement therapy is required. Members of the European Pediatric Peritoneal Dialysis Working Group have produced the ... ...

    Abstract Acute renal failure (ARF) is uncommon in childhood and there is little consensus on the appropriate treatment modality when renal replacement therapy is required. Members of the European Pediatric Peritoneal Dialysis Working Group have produced the following guidelines in collaboration with nursing staff. Good practice requires early discussion of patients with ARF with pediatric nephrology staff and transfer for investigation and management in those with rapidly deteriorating renal function. Patients with ARF as part of multi-organ failure will be cared for in pediatric intensive care units where there should be access to pediatric nephrology support and advice. The choice of dialysis therapy will therefore depend upon the clinical circumstances, location of the patient, and expertise available. Peritoneal dialysis has generally been the preferred therapy for isolated failure of the kidney and is universally available. Intermittent hemodialysis is frequently used in renal units where nursing expertise is available and hemofiltration is increasingly employed in the intensive care situation. Practical guidelines for and the complications of each therapy are discussed.
    MeSH term(s) Acute Kidney Injury/therapy ; Child ; Hemofiltration ; Humans ; Peritoneal Dialysis ; Renal Dialysis ; Renal Replacement Therapy
    Language English
    Publishing date 2003-12-18
    Publishing country Germany
    Document type Guideline ; Journal Article ; Practice Guideline ; Research Support, Non-U.S. Gov't
    ZDB-ID 631932-4
    ISSN 1432-198X ; 0931-041X
    ISSN (online) 1432-198X
    ISSN 0931-041X
    DOI 10.1007/s00467-003-1342-7
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Biomechanical Properties of Human Dilated Ascending Aorta

    Brečs Ivars / Stradiņš Pēteris / Kalējs Mārtiņš / Strazdiņš Uldis / Ozolanta Iveta / Kasyanov Vladimir

    Proceedings of the Latvian Academy of Sciences. Section B, Natural Sciences, Vol 73, Iss 2, Pp 107-

    2019  Volume 111

    Abstract: Aneurysms of ascending aorta are dilatation of the first part of the human aorta. They commonly show no clinical symptoms. This condition increases the risk of aorta dissection, which is a life-threatening condition. In this study we attempted to ... ...

    Abstract Aneurysms of ascending aorta are dilatation of the first part of the human aorta. They commonly show no clinical symptoms. This condition increases the risk of aorta dissection, which is a life-threatening condition. In this study we attempted to elucidate the changes in the biomechanical properties that occur in the dilated human ascending aorta. Fourteen specimens of ascending aorta wall were mechanically tested under a uniaxial tensile test. Two specimens from each ascending aorta anterior region were cut in longitudinal and circumferential directions. The samples were stretched until rupture of the sample occurred. The obtained experimental data were processed to determine maximal stress, maximal strain and the tangential modulus of elasticity in the linear part of the stress-strain curve. The obtained results showed a remarkable anisotropy of the ascending aorta tissue. We found higher strength of the tissue in the circumferential direction than in the longitudinal direction. There were no statistically significant differences between the strains of the samples. Tangential modulus of elasticity of the aortic samples in the longitudinal direction was significantly lower than the elastic modulus of the samples in the circumferential direction. The tissue in the circumferential direction is stronger and stiffer than in the longitudinal direction.
    Keywords ascending aorta ; aneurysm ; mechanics ; uniaxial tensile test ; elastic modulus ; Science ; Q
    Subject code 630
    Language English
    Publishing date 2019-05-01T00:00:00Z
    Publisher Sciendo
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article: Biomechanical Properties of Human Dilated Ascending Aorta

    Brečs, Ivars / Stradiņš, Pēteris / Kalējs, Mārtiņš / Strazdiņš, Uldis / Ozolanta, Iveta / Kasyanov, Vladimir

    Proceedings of the Latvian Academy of Sciences. 2019 May 01, v. 73, no. 2

    2019  

    Abstract: Aneurysms of ascending aorta are dilatation of the first part of the human aorta. They commonly show no clinical symptoms. This condition increases the risk of aorta dissection, which is a life-threatening condition. In this study we attempted to ... ...

    Abstract Aneurysms of ascending aorta are dilatation of the first part of the human aorta. They commonly show no clinical symptoms. This condition increases the risk of aorta dissection, which is a life-threatening condition. In this study we attempted to elucidate the changes in the biomechanical properties that occur in the dilated human ascending aorta. Fourteen specimens of ascending aorta wall were mechanically tested under a uniaxial tensile test. Two specimens from each ascending aorta anterior region were cut in longitudinal and circumferential directions. The samples were stretched until rupture of the sample occurred. The obtained experimental data were processed to determine maximal stress, maximal strain and the tangential modulus of elasticity in the linear part of the stress-strain curve. The obtained results showed a remarkable anisotropy of the ascending aorta tissue. We found higher strength of the tissue in the circumferential direction than in the longitudinal direction. There were no statistically significant differences between the strains of the samples. Tangential modulus of elasticity of the aortic samples in the longitudinal direction was significantly lower than the elastic modulus of the samples in the circumferential direction. The tissue in the circumferential direction is stronger and stiffer than in the longitudinal direction.
    Keywords aneurysm ; anisotropy ; aorta ; biomechanics ; humans ; modulus of elasticity ; risk ; signs and symptoms (animals and humans)
    Language English
    Dates of publication 2019-0501
    Size p. 107-111.
    Publishing place Sciendo
    Document type Article
    ZDB-ID 2487550-8
    ISSN 2199-5966 ; 1407-009X
    ISSN (online) 2199-5966
    ISSN 1407-009X
    DOI 10.2478/prolas-2019-0017
    Database NAL-Catalogue (AGRICOLA)

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