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The rapid pace of progress in implantable electronics driven by novel technology has created devices with unconventional designs and features to reduce invasiveness and establish new sensing and stimulating techniques. Among the designs, injectable forms of biomedical electronics are explored for accurate and safe targeting of deep-seated body organs. Here, the classes of biomedical electronics and tools that have high aspect ratio structures designed to be injected or inserted into internal organs for minimally invasive monitoring and therapy are reviewed. Compared with devices in bulky or planar formats, the long shaft-like forms of implantable devices are easily placed in the organs with minimized outward protrusions via injection or insertion processes. Adding flexibility to the devices also enables effortless insertions through complex biological cavities, such as the cochlea, and enhances chronic reliability by complying with natural body movements, such as the heartbeat. Diverse types of such injectable implants developed for different organs are reviewed and the electronic, optoelectronic, piezoelectric, and microfluidic devices that enable stimulations and measurements of site-specific regions in the body are discussed. Noninvasive penetration strategies to deliver the miniscule devices are also considered. Finally, the challenges and future directions associated with deep body biomedical electronics are explained. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.BACKGROUND Negative side effects affecting articulation and oral transport are common after treatment for head and neck cancer (HNC). The aim of this study was to assess the effects on speech and patient-reported experience of palatal augmentation prostheses (PAP) in this patient group. METHODS Twenty consecutive patients who had received a PAP were included. We performed a blinded randomized listener assessment of recordings of the patients' speech with and without the PAP. Patient-reported experiences were collected from medical records. RESULTS The listener assessment showed that production of velar sounds improved significantly for 12 of 19 patients; 12 of 19 patients also reported easier or better speech with the PAP. All six patients treated for tongue cancer reported speech improvement. Seven of 20 patients reported better transport of food or saliva. CONCLUSION A PAP can help patients treated for HNC to more precisely articulated velar consonants and can benefit oral transport. © 2020 The Authors. Head & Neck published by Wiley Periodicals, Inc.Severe asthma imposes a significant burden on individuals, families and the healthcare system. Treatment is complex, due to disease heterogeneity, comorbidities and complexity in care pathways. New approaches and treatments improve health outcomes for people with severe asthma. TC-S 7009 research buy However, emerging multidimensional and targeted treatment strategies require a reorganisation of asthma care. Consensus is required on how reorganisation should occur and what areas require further research. The Centre of Excellence in Severe Asthma convened 3 forums between 2015 and 2018, hosting experts from Australia, New Zealand and the UK. The forums were complemented by a survey of clinicians involved in the management of people with severe asthma. We sought to 1) identify areas of consensus among experts, 2) define activities and resources required for the implementation of findings into practice and 3) identify specific priority areas for future research. Discussions identified areas of unmet need including assessment and diagnosis of severe asthma, models of care and treatment pathways, add-on treatment approaches and patient perspectives. We recommend development of education and training activities, clinical resources and standards of care documents, increased stakeholder engagement and public awareness campaigns and improved access to infrastructure and funding. Further, we propose specific future research to inform clinical decision-making and develop novel therapies. A concerted effort is required from all stakeholders (including patients, healthcare professionals and organisations and government) to integrate new evidence-based practices into clinical care and to advance research to resolve questions relevant to improving outcomes for people with severe asthma. This article is protected by copyright. All rights reserved. This article is protected by copyright. All rights reserved.Infrared (IR) photodetectors are a key optoelectronic device and have thus attracted considerable research attention in recent years. Photosensitivity is an increasingly important device performance parameter for nanoscale photodetectors and image sensors, as it determines the ultimate imaging quality and contrast. However, photosensitivities of state-of-the-art low-dimensional nanostructure-based IR detectors are considerably low, limiting their practical applications. Herein, a biomimetic IR detection amplification (IRDA) system that boosts photosensitivity by several orders of magnitude by introducting nanowire field effect transistors (FETs), resulting in a peak photosensitivity of 7.6 × 104 under an illumination of 1342 nm, is presented. Consequently, high-contrast imaging of IR light is obtained on the flexible IRDA arrays. The image information can be then trained and recognized by an artificial neural network for higher image-recognition efficiency. This work provides a new perspective for developing high-performance IR imaging systems, and is expected to undoubtedly enlighten future work on artificial intelligence and biorobotic systems. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.BACKGROUND Inverted papilloma (IP) is a benign epithelial tumor of the sinonasal cavity that is locally aggressive and has a propensity for recurrence. Tumors involving the anterior maxillary sinus can be challenging to reach endoscopically, and have historically been approached through a Caldwell-Luc or canine fossa trephination. We present a case series of 22 patients with maxillary IPs originating from the anterior wall, which were successfully resected using a modified endoscopic Denker (MED) procedure. This technique enables access to the entire maxillary sinus without the need for a separate transseptal or sublabial incision. METHODS A retrospective chart review was performed on patients who underwent the MED approach for management of maxillary IPs involving the anterior wall from 2012 to 2018. The demographic data, clinical presentation, radiographic findings, pathology, and surgical outcomes were reviewed. RESULTS Twenty-two patients were identified, including 13 males and 9 females. Eighteen of the 22 patients had prior surgery and all had Krouse stage 3 disease.
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