http://www.cnr.it/ontology/cnr/individuo/prodotto/ID275306

Repeatability, Reproducibility and Standardisation of a Laser Doppler Imaging Technique for the Evaluation of Normal Mouse Hindlimb Perfusion (Articolo in rivista)

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Repeatability, Reproducibility and Standardisation of a Laser Doppler Imaging Technique for the Evaluation of Normal Mouse Hindlimb Perfusion (Articolo in rivista) (literal)

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Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

Alternative label

Adelaide Greco, Monica Ragucci, Raffaele Liuzzi, Sara Gargiulo, Matteo Gramanzini, Anna Rita Daniela Coda, Sandra Albanese, Marcello Mancini, Marco Salvatore, Arturo Brunetti (2013)
Repeatability, Reproducibility and Standardisation of a Laser Doppler Imaging Technique for the Evaluation of Normal Mouse Hindlimb Perfusion
in Sensors (Basel)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Adelaide Greco, Monica Ragucci, Raffaele Liuzzi, Sara Gargiulo, Matteo Gramanzini, Anna Rita Daniela Coda, Sandra Albanese, Marcello Mancini, Marco Salvatore, Arturo Brunetti (literal)

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Dipartimento di Scienze Biomediche Avanzate, University Federico II, Via Pansini 5, 80137 Naples, Italy; E-Mails: sandralbanese@gmail.com (S.A.); marsalva@unina.it (M.S.); brunetti@unina.it (A.B.) CEINGE, Biotecnologie Avanzate,Via Gaetano Salvatore 482, 80145 Naples, Italy Fondazione IRCCS SDN, Instituto per la Ricerca e l'alta Formazione in Diagnostica Nucleare, Via Gianturco 113, 80143 Naples, Italy; E-Mail: monique.13@hotmail.it Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale delle Ricerche, Via Tommaso De Amicis 95, 80145 Naples, Italy; E-Mails: raffaele.liuzzi@cnr.it (R.L.); sara.gargiulo@ibb.cnr.it (S.G.); matteo.gramanzini@ibb.cnr.it (M.G.); danielacoda86@gmail.com (A.R.D.C.); marcello.mancini58@gmail.com (M.M.) (literal)

Titolo

Repeatability, Reproducibility and Standardisation of a Laser Doppler Imaging Technique for the Evaluation of Normal Mouse Hindlimb Perfusion (literal)

Abstract

Background. Preclinical perfusion studies are useful for the improvement of diagnosis and therapy in dermatologic, cardiovascular and rheumatic human diseases. The Laser Doppler Perfusion Imaging (LDPI) technique has been used to evaluate superficial alterations of the skin microcirculation in surgically induced murine hindlimb ischemia. We assessed the reproducibility and the accuracy of LDPI acquisitions and identified several critical factors that could affect LDPI measurements in mice. Methods. Twenty mice were analysed. Statistical standardisation and a repeatability and reproducibility analysis were performed on mouse perfusion signals with respect to differences in body temperature, the presence or absence of hair, the type of anaesthesia used for LDPI measurements and the position of the mouse body. Results. We found excellent correlations among measurements made by the same operator (i.e., repeatability) under the same experimental conditions and by two different operators (i.e., reproducibility). A Bland-Altman analysis showed the absence of bias in repeatability (p = 0.29) or reproducibility (p = 0.89). The limits of agreement for repeatability were -0.357 and -0.033, and for reproducibility, they were -0.270 and 0.238. Significant differences in perfusion values were observed in different experimental groups. Conclusions. Different experimental conditions must be considered as a starting point for the evaluation of new drugs and strategic therapies. (literal)

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