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The forensic science community raised the need for improved evidence recognition, collection, and visualization analytical instrumentation for field and laboratory use. While the 3D optical techniques for imaging static objects have been extensively studied, there is still a major gap between current knowledge and collecting high-quality footwear and tire impression evidence. Among optical means for 3D imaging, digital fringe projection (DFP) techniques reconstruct 3D shape from phase information, achieving camera-pixel spatial resolution. This paper presents a high-resolution 3D imaging technology using DFP techniques dedicated to footwear and tire impression capture. We developed fully automated software algorithms and a graphical user interface (GUI) that allow anyone without training to operate for high-quality 3D data capture. We performed accuracy evaluations and comparisons comparing with the commercial high-end 3D scanner and carried out qualitative tests for various impressions comparing with the current practices. Overall, our technology achieves similar levels of accuracy and resolution with a high-end commercially available 3D scanner, while having the merits of being (1) more affordable; (2) much easier to operate; and (3) more robust. Compared with the current practice of casting, our technology demonstrates its superiority because it (1) is non-destructive; (2) collects more evidence detail than casts, especially when an impression is fragile; (3) requires less time and money to collect each piece of evidence; and (4) results in a digital file that can easily be shared with other examiners.
Perineal trauma is common during childbirth and may be painful. Contemporary maternity practice includes offering women numerous forms of pain relief, including the local application of cooling treatments. This Cochrane Review is an update of a review last updated in 2012.

To evaluate the effectiveness of localised cooling treatments compared with no treatment, placebo, or other cooling treatments applied to the perineum for pain relief following perineal trauma sustained during childbirth.

We searched Cochrane Pregnancy and Childbirth's Trials Register, ClinicalTrials.gov, the WHO International Clinical Trials Registry Platform (ICTRP) (7 October 2019) and reference lists of retrieved studies.

Published and unpublished randomised and quasi-randomised trials (RCTs) that compared a localised cooling treatment applied to the perineum with no treatment, placebo, or another cooling treatment applied to relieve pain related to perineal trauma sustained during childbirth.

Two review authors independently ertainty evidence that may support the use of cooling treatments, in the form or ice packs or cold gel pads, for the relief of perineal pain in the first two days following childbirth. It is likely that concurrent use of several treatments is required to adequately address this issue, including prescription and non-prescription analgesia. Studies included in this review involved the use of cooling treatments for 10 to 20 minutes, and although no adverse effects were noted, these findings came from studies of relatively small numbers of women, or were not reported at all. Tamoxifen supplier The continued lack of high-certainty evidence of the benefits of cooling treatments should be viewed with caution, and further well-designed trials should be conducted.Although most patients are satisfied with outcomes after total knee arthroplasty (TKA), many retain preoperative altered gait mechanics. Identifying patient characteristics associated with gait mechanics will improve rehabilitation strategies and enhance our understanding of movement disorders. Therefore, the purpose of this study was to identify which patient characteristics are related to gait mechanics in the surgical limb during walking post-TKA. Patient characteristics included age, body mass, sex, quadriceps strength, self-reported function, and knee pain. General linear regression was used to compare patient characteristics associated with gait mechanics, after controlling for gait speed, functional capacity and time from surgery. We tested 191 patients cross-sectionally at 6-24 months after primary, unilateral TKA. Quadriceps weakness in the surgical limb was associated with less peak vertical ground reaction force (PvGRF) (β = .245, p = .044), knee extension moment (β = .283, p = .049), and knee extension excursion (β = .298, p = .038). Older age (β = .168, p = .050) was associated with less PvGRF. Quadriceps strength in the nonsurgical limb (β = -.357, p = .021) was associated with greater knee extension excursion in the surgical limb. Females with TKA (β = -.276, p = .007) had less knee flexion excursion compared to males. Faster gait speed was also associated with greater PvGRF (β = .585, p  less then  .001), knee extensor moment (β = .481, p  less then  .001), and knee flexion excursion (β = .318, p  less then  .001). Statement of Clinical Significance This study showed quadriceps weakness, slower gait speed, older age and being female were related to altered gait mechanics post-TKA. Tamoxifen supplier These findings will help clinicians better educate patients and develop targeted interventions for improving care in patients post-TKA.This article explores the professional project for an emergent subaltern specialist community of wound healing clinicians. Drawing on the literature on professions and boundary work, it examines how wound healing clinicians challenge the perception of their work as 'dirty' and seek its transformation into a specialism of 'woundology'. The article is based on an ethnography of a UK multidisciplinary team of doctors and nurses with an interest and expertise in wound healing, who work as clinical academics and provide wound care services in outpatient clinics. It demonstrates that wound healing clinicians vindicate their professional status by seeking to enthral the medical community in 'dirty wound care' as a focused clinical specialty of 'woundology'. Through training nurses to do medical wound care work, educating clinicians from other specialties about wounds and undertaking wound research, wound healing clinicians assert the professional boundaries of their specialism and its fit with mainstream medicine without embellishing the dirty aspects of their work.
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