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Mauricio Mandel, Carlo Emanuel Petito, Rafael Tutihashi, Wellingson Paiva, Suzana Abramovicz Mandel, Fernando Campos Gomes Pinto, Almir Ferreira de Andrade, Manoel Jacobsen Teixeira, and Eberval Gadelha Figueiredo

C omputer technology is increasingly being integrated into medical care. 16 , 18 , 19 Use of handheld computers has become more common among health care providers and throughout the general population. 10 , 28 , 31 , 34 In particular, over the last decade there have been rapid developments in smartphones. These mobile phones can perform many of the functions of the most sophisticated computer devices, particularly with regard to speed, storage capacity, optical resolution, and camera functionality; 17 and their compact size makes them useful in settings that

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Alessandro Boaro, Jeffrey Leung, Harrison T. Reeder, Francesca Siddi, Elisabetta Mezzalira, Gang Liu, Rania A. Mekary, Yi Lu, Michael W. Groff, Jukka-Pekka Onnela, and Timothy R. Smith

objective patient monitoring. 7–9 There is a need for more objective, patient centered and less invasive tools to assess patients’ ability to return to activity after surgery. Recently, there has been increasing interest in the use of smartphone and wearable devices to collect this type of information. 10–13 The data generated by these devices can be used to study social, behavioral, and cognitive phenotypes in naturalistic settings. This approach, now known as digital phenotyping, has been defined as moment-by-moment quantification of the individual-level human

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Smruti K. Patel, Jorge Zamorano-Fernández, Carlie McCoy, and Jesse Skoch

data, patients are generally advised to simply restrict their use in the vicinity of a PV. Universal restriction of the use of such devices may have a negative impact on patients’ quality of life. The aim of this study was to evaluate the MFs of reference devices using smartphone-integrated magnetometers and compare the results with those of published shunt tolerances to determine the potential to translate existing precautionary data to applicable values from smartphone magnetometers. Furthermore, we sought to assess the consistency of measurements across

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Xinmeng Xu, Zhitong Zeng, Yijia Qi, Kang Ren, Chencheng Zhang, Bomin Sun, and Dianyou Li

examined. To provide better postoperative healthcare for patients with PD who received DBS surgery and to allow surgeons improved tracking of surgical outcomes, we used smartphones to perform virtual assessments. Methods Recruitment The Center for Functional Neurosurgery at Ruijin Hospital, Shanghai, has performed more than 1000 PD-related DBS surgeries over the past 20 years. Before surgery, demographic information and motor and nonmotor assessment scores were collected in the database for clinical reference and research purposes. Patients, doctors, and

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Martin N. Stienen, Oliver P. Gautschi, Victor E. Staartjes, Nicolai Maldaner, Marketa Sosnova, Allen L. Ho, Anand Veeravagu, Atman Desai, Corinna C. Zygourakis, Jon Park, Luca Regli, and John K. Ratliff

-minute walking distance (6WD; in m) is documented by recording complete laps and walkway marks on the floor for incomplete laps. Without specialized in-hospital infrastructure and personnel, the traditional 6WT is cumbersome to apply. Therefore, we designed a free smartphone application (app) that uses global positioning system (GPS) coordinates to allow patients to independently perform 6WD measurements. This study reports reliability measures of the 6WT smartphone app. Methods App Development This spine-specific 6WT smartphone app was conceptualized by O.P.G. and M

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Hasan S. Ahmad, Shikha Singh, Kenneth Jiao, Gregory W. Basil, Andrew I. Yang, Michael Y. Wang, William C. Welch, and Jang W. Yoon

physicians to understand when pain and functional decline warrant treatment and also prevents accurate quantification of postoperative functional improvement, a key objective for patients undergoing spine surgery. 16 The lack of fidelity in PROM-based assessment of preoperative functional decline emphasizes the need for measurement modalities that can quantify patient ability and disability in a more accurate and timely manner. Electronic devices that are capable of monitoring physical activity levels with relative ease, such as smartphones and smartwatches, address

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Lazar Tosic, Elior Goldberger, Nicolai Maldaner, Marketa Sosnova, Anna M. Zeitlberger, Victor E. Staartjes, Pravesh S. Gadjradj, Hubert A. J. Eversdijk, Ayesha Quddusi, Maria L. Gandía-González, Jamasb Joshua Sayadi, Atman Desai, Luca Regli, Oliver P. Gautschi, and Martin N. Stienen

resource-intensive manner by trained physiotherapy personal. New smartphone technology allows for Global Positioning System (GPS)–based determination of the 6WD using a spine-specific, free, and accurate smartphone app ( Fig. 1 ). 13 FIG. 1. Screenshot of the user interfaces of the 6WT smartphone app. A: In this example, the measurement is at 3:59 minutes and 248 meters and ongoing. Patients can push the “flash” button (lightning bolt) when they experience clinically relevant symptoms (e.g., back pain, neurogenic claudication, sciatica). The app will register the time

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Nicolai Maldaner, Marketa Sosnova, Anna M. Zeitlberger, Michal Ziga, Oliver P. Gautschi, Luca Regli, Astrid Weyerbrock, Martin N. Stienen, and

equipment and are associated with a high responder burden. 7 To overcome these challenges and to make objective patient evaluation more feasible, we recently developed a free smartphone app that allows patients to self-determine their walking capacity. The 6-minute walking test (6WT) accurately assesses the maximum distance (in meters) a patient can walk in 6 minutes by triangulating global positioning system (GPS) coordinates. 11 In order for the 6WT to gain broad acceptance, we need to scrutinize its psychometric properties and correlate the test to established PROMs

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Mohammad El-Ghanem, Fawaz Al-Mufti, Venkatraman Thulasi, Inder Paul Singh, and Chirag Gandhi

treatment and the shortage of cerebrovascular specialist has led to many attempts to modify how our health care system approaches stroke care. Many of these pursuits have been spurred by modern advancements in technology and communication systems. Examples include the implementation of telestroke, educating emergency medical services (EMS) personnel in localizing lesions using screening tools, and the advent of mobile stroke units (MSUs), mobile embolectomy teams, and smartphone applications that can be used by both physicians and patients to aid stroke care. Methods

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Guo-chen Sun, Xiao-lei Chen, Yuan-zheng Hou, Xin-guang Yu, Xiao-dong Ma, Gang Liu, Lei Liu, Jia-shu Zhang, Hao Tang, Ru-Yuan Zhu, Ding-Biao Zhou, and Bai-nan Xu

. We report here a simple, fast, and economical positioning and surgical procedure for endoscopic evacuation of intracerebral hematomas. The method is based on virtual reality using a hospital's picture archiving and communication system (PACS) and augmented reality using the a smartphone and the Sina neurosurgical assist Android smartphone app, which assists surgeons in precisely placing the obturator and introducing the sheath to the desired target. Methods Patient Population Twenty-five patients with a mean (± SD) age of 65.4 ± 11.1 years were included in the