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Validation of measurement scores for evaluating vascular anomaly skin lesions.

ABSTRACT: Vascular anomalies comprise a heterogeneous group of disorders caused by abnormal proliferation or development of vascular and/or lymphatic vessels. Vascular anomalies present with various symptoms and complications, but no standardized methods evaluate their severity, and to measure treatment outcomes is difficult. To assess the responsiveness of measurement scores for evaluating vascular anomaly skin lesions, we conducted a validation study to compare these measurement scores with patients' objective data. In this study, data were collected from treated and untreated patients. Skin lesions were photographed at baseline and after a follow-up period of 3-6 months. The volume of skin lesions, the degree of red or purple coloration, and color tone were measured objectively. Two external dermatologists evaluated patients' photographs and determined scores, which represented criteria for improvements in skin lesions (size and color) and 6-point Physician Global Assessment scores. The correlation between these scores and patients' objective data (lesion volume and color) was assessed to validate the scores. Twenty-three cases of vascular anomaly (seven vascular tumors, five lymphatic malformations, three venous malformations, and eight lymphatic-venous malformations) were examined. Scores for improvements in vascular anomaly skin lesions (size and color) correlated with a change in lesion volume, the degree of red or purple coloration, color tone score, and 6-point Physician Global Assessment score. Our findings suggest that these measurement scores are responsive to changes in vascular anomaly skin lesions after observation.

SUBMITTER: Yasue S

PROVIDER: S-EPMC8360112 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundThe objective of this study was to examine the inter-relationships between pig farm management and facilities (as assessed by questionnaire) and post-mortem lung lesion (lung score assesment), which are the result of respiratory infections. The relationships between carcass characteristics and post-mortem lung lesion scores were also investigated.ResultsQuestionnaire responses were collected from 22 self-selecting pig farmers about their farm facilities/management and health condition of the respiratory system of pigs, including the occurrence of clinical respiratory signs, results of laboratory testing for respiratory pathogens, and the use of respiratory vaccines. When fatteners were sent to the abattoir, their carcasses (n = 1,976) were examined for evidence of respiratory disease by lung lesion (pleuritis pneumonia-like (PP-like) and enzootic pneumonia-like (EP-like) lesions) scoring and the Actinobacillus pleuropneumoniae Index (APPI) was calculated. Carcass characteristics were recorded and, retrospectively, the prevalence of cachectic pigs was calculated. Using these variables, the relationships between farm facilities/management and lung lesions scores and the relationships between the latter and carcass characteristics and cachexia were explored. The key findings relating farm facilities and management to lung lesions were: slatted floors were associated with significantly higher EP-like lesions scores than litter bedding in weaners, single-stage fattening in the same building was associated with significantly higher EP-like lesions scores than two-stage fattening, but herd size, stocking density, use of all-in/all-out (AIAO) rule, technological break duration and variation in daily temperature did not affect lung lesions scores. The key findings relating lung lesion scores to carcass characteristics were: a significant, negative correlation between EP-like scores and carcass weight but not with other carcass characteristics, a significant positive correlation between PP-like scores and carcass meat content and prevalence of cachectic carcasses and a significant positive correlation between lung APPI and prevalence of cachectic carcasses.ConclusionsIt can be concluded that both farm facilities and management affect lung lesions scores and that the latter affect carcass characteristics. Lung lesion scoring is an inexpensive technique suitable for rapid monitoring of large numbers of carcasses that can be performed after animal slaughter. It provides useful information to inform producers about possible deficits in farm facilities or management and is a predictor of economic loss due to poorer quality carcasses.

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Validation of measurement scores for evaluating vascular anomaly skin lesions.

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