Introduction The development augmented reality devices allow physicians to incorporate data visualization into diagnostic and treatment procedures to improve work efficiency, safety, and cost and to enhance surgical training. However, the awareness of possibilities of augmented reality is generally low. This review evaluates whether augmented reality can presently improve the results of surgical procedures. Methods We performed a review of available literature dating from 2010 to November 2016 by searching PubMed and Scopus using the terms “augmented reality” and “surgery.” Results. The initial search yielded 808 studies. After removing duplicates and including only journal articles, a total of 417 studies were identified. By reading of abstracts, 91 relevant studies were chosen to be included. 11 references were gathered by cross-referencing. A total of 102 studies were included in this review. Conclusions The present literature suggest an increasing interest of surgeons regarding employing augmented reality into surgery leading to improved safety and efficacy of surgical procedures. Many studies showed that the performance of newly devised augmented reality systems is comparable to traditional techniques. However, several problems need to be addressed before augmented reality is implemented into the routine practice.
IntroductionSpondylotic cervical myelopathy (SCM) is the most frequent cause of myelopathy in those over the age of 50 [48]. It is believed to have a generally progressive course over a period of years, with sudden acceleration especially following a slight head and neck injury, leading to significant disability [24,45,49]. The treatment of SCM remains a problem, particularly in the mild and moderate forms without rapid progression. There is no strong evidence to show that decompressive surgery with an anterior or posterior approach can improve the clinical outcome of the victims of this disease. This uncertainty persists despite the fact that decompression is a logical answer to the stenotic process, and that this approach is supAbstract A prospective randomised 2-year study was performed to compare the conservative and operative treatment of mild and moderate forms of spondylotic cervical myelopathy (SCM). Forty-eight patients presenting with the clinical syndrome of SCM, with a modified Japanese Orthopaedic Association (mJOA) score of 12 points or more, were randomised into two groups. Group A, treated conservatively, consisted of 27 patients, mean age 55.6 ± 8.6 years, while group B was treated surgically (21 patients, mean age 52.7 ± 8.1 years). The clinical outcome was measured by the mJOA score, recovery rate (RR), timed 10 m walk, score of daily activities (recorded by video and evaluated by two observers blinded to the therapy), and by the subjective assessment of the patients at 6, 12, and 24 months of the follow-up. There was, on average, no significant deterioration in mJOA score, recovery ratio, or timed 10 m walk within either group during the 2 years of follow-up. In the surgery group there was a slight decline in the scores for daily activities and subjective evaluation. A comparison of the two groups showed no significant differences in changes over time in mJOA score or quantified gait, but there were significant differences in the score of daily activities recorded by video at 24 months, which was a little lower in the surgical group, and also in RR and subjective evaluation, which were both worse in the surgical group at months 12 and 24. However, at month 6, this last parameter was significantly better in the surgical than in conservative group. Surgical treatment of mild and moderate forms of SCM in the present study design, comprising the patients with no or very slow, insidious progression and a relatively long duration of symptoms, did not show better results than conservative treatment over the 2-year follow-up.
The aim of this study was to investigate the characteristics of prediabetes (preDM) and early (<3 years) diabetes mellitus type 2 (eDM2)-associated neuropathy and the value of recently proposed diagnostic criteria for diabetic sensorimotor polyneuropathy (DSPN). A prospective case-control study in a group of 48 consecutive patients with eDM2, 16 preDM patients and 40 age- and sex-matched normoglycaemic controls was performed. Clinical and laboratory diagnostic tests were used to detect neuropathic abnormalities; these were further classified in terms of recent diagnostic criteria. Criteria for confirmed DSPN based on abnormal nerve conduction (NC) studies were met in 7 (14.6%) eDM2 patients compared to no control (p < 0.05), and the proportion significantly increased to 37.5% compared to 2.5% controls (p < 0.001), if intraepidermal nerve fibre density (IENFD) was used as an alternative criterion in addition to NC. The subclinical DSPN criteria based on NC abnormalities were met in 4.2% eDM2 patients, while the proportion of preDM and eDM2 cases with subclinical sensory small-fibre involvement documented by IENFD reached 12.5% and 22.9% compared with 2.5% controls (p = 0.005 for eDM2). The absolute IENFD values from distal leg were significantly lower in both eDM2 (p < 0.0001) and preDM patients (p = 0.005) compared to controls. Neuropathy associated with preDM/eDM2 predominantly involves sensory small fibres.
Objective The NHS Cervical Screening Programme plans to increase the screening interval from 3 to 5 years for women aged 25–49 who test negative for human papillomavirus (HPV). This exploratory cross-sectional online survey tested the impact of different levels of information about the proposed change on acceptability of a longer interval. Methods Women aged 18–45 (n = 585) were individually randomised to one of three information exposure groups differing in the level of information provided about the screening interval change: (1) basic information; (2) basic information with additional detail about timeline of HPV infection; (3) as (2) but with the addition of a diagram. Acceptability of the change ( favourable and unfavourable attitudes) was assessed post-exposure alongside HPV timeline beliefs. We used ANOVA and regression analyses to test for between-group differences. Results Women in Group 3 had higher scores on the favourable attitudes sub-scale compared with Group 1. Women in Groups 2 and 3 had more accurate timeline beliefs than those in Group 1. There were no between-group differences in unfavourable attitudes. After adjusting for demographic factors, a higher favourable attitudes score was independently predicted by being in Group 3 compared to Group 1, more accurate HPV timeline beliefs, and previous irregular or non-attendance at screening. Conclusions Overall, acceptability of an increased screening interval was moderate, but providing women with information about the safety and rationale for this change may improve acceptability. In particular, communicating the long timeline from HPV exposure to cervical cancer may reassure women about the safety of the proposed changes.
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