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The Cosmetic Readiness Questionnaire (CRQ): Validation of a Preoperative Psychological Screening Tool for Aesthetic Procedures

Abstract

Background: Several psychological risk factors are associated with patient dissatisfaction with aesthetic procedures, such as body dysmorphic disorder (BDD), unmanaged mental health concerns, and unrealistic expectations. Identifying these risks by preoperative screening may protect patients from adverse psychological outcomes and provide reputational or legal protection for practitioners. Objectives: In this study we aimed to further develop and validate the Cosmetic Readiness Questionnaire (CRQ), a comprehensive psychological screening tool to assess patient suitability for surgical and nonsurgical aesthetic procedures. Methods: The CRQ was validated across 2 studies in clinical contexts, examining structural and construct validity in a sample of 8031 individuals who completed the CRQ as part of routine clinical care. In a further sample (n = 574), criterion validity was explored through the relationship between the CRQ and dissatisfaction with past aesthetic treatments. Risk category cutoff scores were developed. Results: Results supported the reliability and validity of a 5-factor CRQ that measured body dysmorphia, psychological distress, self-criticism, unrealistic expectations, and lack of openness. High scorers on the CRQ were 78% more likely to report dissatisfaction with a past cosmetic procedure than low scorers. Conclusions: The CRQ is a comprehensive and valid screening measure for identifying patients who may require further psychological assessment or additional support before aesthetic treatment. Instructions are provided on how to implement the CRQ in clinical practice.

article Article; Early Access

date_range 2024

language English

link Link of the paper

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Pikoos Toni

Buchanan Ben

Hegarty David

Rossell Susan

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Effect of corrosion on flexural strength of reinforced concrete beams with polypropylene fibers

Abstract

An experimental study was performed to investigate the effects of polypropylene fibers on uncorroded and corroded reinforced concrete beams. Three different volume fractions of polypropylene fibers having 0, 0.5, and 1.5%, were tested at four corrosion levels of 0% and approximately 5, 7, and 9%. A full scale of an accelerated corrosion pool was used for the accelerated corrosion process. Reinforced concrete beams were used for an under monotonic bending test. The contribution of the actual corrosion levels of transverse and longitudinal reinforcement bars to the total corrosion levels were obtained from reinforcement bars fully extracted from concrete. Flexural strength, bond-slip, and moment-curvature relationships were examined for uncorroded and corroded reinforced concrete beams. A new model was developed to predict the flexural strength of corroded reinforced concrete beams. The proposed model for predicting the residual flexural strength of corroded beams was compared with test data published in previous studies. Furthermore, a novel model is presented for improved predictions between the actual and theoretically estimated corrosion mass losses, based on Faraday’s law, with the aid of fully extracted reinforcement bars. The model used to predict the flexural strength of corroded reinforced concrete beams with large sizes demonstrated good agreement with current and previously published literature data. In the case of corroded beams comprising differing amounts of polypropylene fibers, the performance of the corroded beams was limited by a fiber volume fraction of 1.5% at low corrosion levels.

article Article

date_range 2018

language English

link Link of the paper

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