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To investigate the treatment experience and information needs of patients with dentofacial deformities in the process of surgical program design, surgical treatment and postoperative rehabilitation.Thirty-six patients with dentofacial deformities at different treatment stages from March to July 2019 were selected for semi-structured interview. Colaizzi content analysis method and QSR NVivo 12.0 software were used to analyze and code the data, as well as extract the theme and genus.Three themes and eight categories were extracted, including① information needs in different treatment stages, mainly specific content of information needs at pre-operative preparation stage, orthognathic perioperative stage and post-operative rehabilitation stage; ② information support methods, i.e., diversified information support methods and patients' recognition of internet information;③ patients' cognition difference,namely the difference between patients' psychological expectation and the results of operation.Due to the treatment characteristics of orthognathic surgery and individual cognitive differences of patients, there is a large demand for information support at different stages of treatment. However, the current information support mode is limited, so it is necessary to further improve and provide scientific, professional and targeted information support for patients with dentofacial deformities.

The main purpose of this study was to explore the experience associated with patient's decision to have or not have orthognathic treatment.Phenomenological methodology was used in this study. Ten patients were collected from January 2018 to March 2018, who were consulted in the Department of Oral and Craniomaxillofacial Surgery, Center of Craniofacial Orthodontics in Shanghai Ninth People's Hospital. They were interviewed by semi-structured, face to face in-depth interviews. Data were organized and analyzed by Colaizzi methods.By reading, analysis and extraction, two topics, i.e, motivation and interference factor were obtained.The treatment information service was limited. Further research is needed to improve the information services that support the treatment decision of malocclusion patients and help them to make the best choice.

To establish a clinical practice protocol for tracheotomy care of adult patients.Though constructive document retrieval, personnel interview and brain-storming, protocol draft was constructed. Delphi method was used in the study, and the final protocol was based on two rounds of consultation among 15 experts from 10 tertiary general hospitals. SPSS 16.0 software package was used for statistical analysis.The effective rates of two rounds of questionnaire were 100% and 93.3%, the authority coefficient was 0.83, and the P value of expert coordination coefficients W was less than 0.05. The final evidence-based protocol for tracheotomy care in adult patients consists of 5 sections, 16 dimensions and 61 items.The evidence-based tracheotomy care protocol was combined with Chinese clinical status and experts' opinion. The protocol was scientific and credible, which may play an important role in clinical practice.

To investigate the positive psychological reaction of patients with oral and maxillofacial trauma and related factors.One hundred and five hospitalized patients with oral and maxillofacial trauma were investigated by self-designed general data questionnaire, positive psychological scale posttraumatic growth evaluation of quantitative PTG, and self-image questionnaire. SPSS 18.0 software package was used to analyze the data.Positive psychological score of the patients was 56.01±17.322, and self-image average score was 51.33±7.306. There were significant differences between male and female patients after trauma in new possibilities, personal power, self transformation and personal feeling (P0.05); there was no significant difference between different ages in positive psychological reaction.With the improvement of educational level of patients, better personal power (P=0.031) and self transformation (P=0.01), and more positive psychological reaction were observed; Posttraumatic positive psychology of patients was negatively correlated with self-image score (r=-0.318, P0.001).The male patients with oral and maxillofacial trauma have more positive attitude than female. With the improvement of educational level, more positive psychological reaction was documented in term of personal strength, self-transformation,but no obvious change in relationship with others, new possibilities and personal feeling. The better self image, the more positive psychological reaction was displayed.

In this article, we study the output error in terms of the delay of the arithmetic subtractor circuit. By the formal analysis the borrow in arithmetic subtractor, especially the borrow chain, we model the discrete signals in the continuously, then construct the output error model and energy consumption model of the ripple borrow subtractor circuit. With these models, we do the trustable analysis formally.

Purpose This study aimed to adapt a guideline for endotracheal suctioning of adults with artificial airways in the perianesthesia setting in China. Design This study was guided by the ADAPTE framework. Methods The development process consisted of setup, adaptation, and finalization phases. A heterogeneous consultant panel that included a patient representative was established to contribute guidance and suggestions regarding guideline development. Relevant evidence documents were searched, critically appraised, selected, and synthesized to develop the draft guideline. After revisions, the adapted guideline was evaluated by 20 external reviewers. Findings A 155-page adapted guideline was developed with 26 key recommendations (including 3 procedure phases and 17 points of care). Conclusions The adapted guideline provided the best evidence for endotracheal suctioning of adults with artificial airways and supported practitioner decisions about appropriate endotracheal suctioning practices for this population. The study also lays the groundwork for future projects on quality improvement and knowledge translation.