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Deep learning for smartphone-aided detection system of Helicobacter Pylori in gastric biopsy.

Helicobacter pylori (HP) have chronically infected more than half of the world's population and is a cause of chronic gastritis, peptic ulcers and gastric carcinoma. The manual detection of HP in a glass slide with a microscope is extremely time-consuming and might miss at least 14% of HP-positive cases due to eye fatigue of pathologists. Here, a total of 270 gastric biopsy specimens were selected. All stained slides were scanned for analysis by the Faster-R-CNN with ResNet 50 or VGG16, then the model performance was evaluated. Furthermore, the real-time microscopic field, smartphone and AI al…

Monitoring Kleine-Levin Syndrome Recovery Using Human-Smartphone Interactions: A Digital Phenotyping Approach.

Kleine-Levin syndrome is a rare neurological disorder marked by recurrent hypersomnia and behavioural disturbances such as hyperphagia and hypersexuality. We report a 25-year-old Taiwanese male experiencing episodes of sleep exceeding 15 h per day. Using Rhythm, a validated smartphone app that tracks human-smartphone interactions, we monitored his sleep-wake patterns and functional changes. Inactivity during episodes and progressively structured usage during recovery reflected clinical states. Interdaily stability, a circadian rhythm metric (range: 0-1), improved from low values during episode…

Early warning signals of bipolar relapse: Investigating critical slowing down in smartphone data.

BACKGROUND: Early warning signals (EWS) based on dynamical systems theory, such as increased autocorrelation (AR) and variance, may indicate impending mood episodes in bipolar disorder (BD). This study examines whether smartphone-based digital phenotyping can detect these signals before depressive and (hypo)manic episodes. METHODS: We analyzed smartphone sensor and self-report data from 29 BD patients (16 female, mean age of 43,97 ± 11.9 years) over one year, totaling 10,587 patient days and including 30 depressive and 20 (hypo)manic episodes in 22 patients. 26 bi-weekly expert interviews per…

Новая когнитивная скрининговая батарея на основе смартфона для многоразового склероза (испытание): проверка достоверности.

ЦЕЛЬ: Когнитивное ухудшение характерно для множественных склерозов (МС) и требует регулярного контроля. В настоящее время когнитивное состояние измеряется в клинической практике с использованием бумажных и пенсильных тестов, которые требуют много времени и затрат. Дистанционный мониторинг когнитивного статуса мог бы предложить решение, поскольку предыдущие исследования средств телемедицины доказали свою осуществимость и приемлемость для людей, имеющих MS. Однако существующие приложения, основанные на использовании смартфонов, включают дизайны, подверженные моторным помехам, и в первую очередь

Совпадение в аннотации оригинала
BACKGROUND: Cognitive deterioration is common in multiple sclerosis (MS) and requires regular follow-up. Currently, cognitive status is meas … lemedicine tools have proved its feasibility and acceptance among people with MS. However, existing smartphone-based apps include designs that are prone to motor interference and focus primarily on information processing speed, although memory is also commonly affected. OBJECTIVE: This study aims to validate a smartphone-based cognitive screening battery, i …

Remote rhythm monitoring using a photoplethysmography smartphone application after cardioversion for atrial fibrillation.

AIMS: Direct current cardioversion (DCCV) is a commonly utilized rhythm control technique for atrial fibrillation. Follow-up typically comprises a hospital visit for 12-lead electrocardiogram (ECG) two weeks post-DCCV. We report the feasibility, costs, and environmental benefit of remote photoplethysmography (PPG) monitoring as an alternative. METHODS AND RESULTS: We retrospectively analysed DCCV cases at our centre from May 2020 to October 2022. Patients were stratified into those with remote PPG follow-up and those with traditional 12-lead ECG follow-up. Monitoring type was decided by the s

Electronic malignant bowel obstruction symptom monitoring smartphone application for patients with gynecologic cancers.

OBJECTIVES: Implementation of an interprofessional program at Princess Margaret Cancer Centre, including nurse-led proactive calls to support patients with gynecologic cancers with malignant bowel obstruction, demonstrated improved outcomes compared with historical controls. The aim of the study was to convert the proactive calls into an electronic monitoring program to assess it's feasibility and scalability in patients with gynecologic cancers with or at risk of malignant bowel obstruction. METHODS: 'My Bowels on Track' smartphone application included weekly/biweekly electronic patient-repo…

Smartphone Addiction among Adolescents in Southern Italy and Correlation with Other Risky Behaviors.

BACKGROUND: Addiction to smartphone is defined as the disability to cease using the device despite the physical, psychological, or social consequences. The diagnosis of this disorder is increasing exponentially among teenagers, even more so after Corona Virus Disease 2019 (COVID-19) pandemic. This study aims to analyze the risk of mobile phone addiction among teenagers in Italy and its relationship with other risk behaviors, such as drug consumption and emotional well-being, following the COVID-19 pandemic. METHODS: A cross-sectional observational study was conducted in Catania, Sicily, durin…

Doing more with less: Realistic stereoscopic three-dimensional anatomical modeling from smartphone photogrammetry.

Traditional teaching methods struggle to convey three-dimensional concepts effectively. While 3D virtual models and virtual reality platforms offer a promising approach to teaching anatomy, their cost and specialized equipment pose limitations, especially in disadvantaged areas. A simpler alternative is to use virtual 3D models displayed on regular screens, but they lack immersion, realism, and stereoscopic vision. To address these challenges, we developed an affordable method utilizing smartphone-based 360° photogrammetry, virtual camera recording, and stereoscopic display (anaglyph or side-b…

Home-based monitoring of persons with advanced Parkinson's disease using smartwatch-smartphone technology.

Movement deterioration is the hallmark of Parkinson's disease (PD), characterized by levodopa-induced motor-fluctuations (i.e., symptoms' va … rences. 21 advanced PD patients with motor fluctuations were monitored for 2 weeks using a SW and a smartphone-dedicated app (Intel Pharma Analytics Platform). The SW continuously collected passive data (tremor, dyskinesia, level of activity using dedicated algorithms) and active data, i.e., time-up-and-go, finger tapping, hand tremor and hand rotation carri …

Feasibility and Acceptability of Pediatric Smartphone Lung Auscultation by Parents: Cross-Sectional Study.

BACKGROUND: The use of a smartphone built-in microphone for auscultation is a feasible alternative to the use of a stethoscope, when applied by physicians. OBJECTIVE: This cross-sectional study aims to assess the feasibility of this technology when used by parents-the real intended end users. METHODS: Physicians recruited 46 children (male: n=33, 72%; age: mean 11.3, SD 3.1 y; children with asthma: n=24, 52%) during medical visits in a pediatric department of a tertiary hospital. Smartphone auscultation using an app was performed at 4 locations (trachea, right anterior chest, and right and l…

A new smartphone-based digital stethoscope featuring phonocardiography and electrocardiography in adult horses.

Smartphone-based technology is increasingly used in veterinary medicine as a complementary tool for cardiac auscultation and ECG recording. This prospective observational study evaluates a digital stethoscope (DS) that consists of simultaneous phonocardiographic and one-lead ECG recording (dECG) in adult horses, comparing it with auscultation using a conventional stethoscope (CS) and reference base-apex ECG (rECG). A total of 104 horses underwent cardiac auscultation using CSs and DSs to detect arrhythmias and murmurs. Audio and dECG were acquired using the DS. The rECG tracings were also reco…

Functional capacity and risk of injury in CrossFit practitioners measured through smartphone apps.

BACKGROUND: CrossFit is a high intensity functional training that tends to challenge physical limits. The objectives of this study were to assess functional capacity, prevalence and risk of injury in CrossFit practitioners. METHODS: This cross-sectional, observational and prospective study evaluate the rate of injuries that occurred in CrossFit practitioners in the last 12 months and their functional capacities. The sample was given for convenience, with a total of 22 participants. Functional capacities and risk of injury were measured by functional tests using PHAST and Clinometer applicatio

Ergonomic evaluation of upper extremities muscle activity pattern during 60-min smartphone texting.

BACKGROUND: Smartphone usage has increased rapidly in the last decade due to rapid technological advancements. This extensive usage of smartphones led to physiological problems and musculoskeletal disorders (MSD) due to inappropriate postures. OBJECTIVE: Past studies have reported the effects/discomfort of smartphone usage for short periods, ranging from 3-20 min, which does not represent the current era of smartphone dependency (approximately 7-hr/day). METHODS: This study was performed on fifty-four participants aged 20-28 with 1-hr smartphone texting in a sitting posture. Flexion angles, …

Randomized controlled trial of a smartphone-based cognitive behavioral therapy for chronic tinnitus.

Tinnitus, the phantom perception of sounds, generates distress and anxiety in those affected. Cognitive behavioral treatment approaches reproducibly help patients in managing chronic tinnitus. This study systematically evaluated the usefulness of a tinnitus app (with areas of attention and relaxation, mindfulness, acceptance, self-efficacy), which is prescribed for a total of nine months. One hundred eighty-seven participants with chronic tinnitus were equally randomized to an intervention arm that used a smartphone-based intervention -marketed as Kalmeda Tinnitus app-. and a control arm with …

Disease severity classification using passively collected smartphone-based keystroke dynamics within multiple sclerosis.

Multiple Sclerosis (MS) is a progressive demyelinating disease of the central nervous system characterised by a wide range of motor and non-motor symptoms. The level of disability of people with MS (pwMS) is based on a wide range of clinical measures, though their frequency of evaluation and inaccuracies coming from objective and self-reported evaluations limits these assessments. Alternatively, remote health monitoring through devices can offer a cost-efficient solution to gather more reliable, objective measures continuously. Measuring smartphone keyboard interactions is a promising tool sin…

Effectiveness of Cardiac Rehabilitation With mHealth Through Smartphone Functionalities: A Systematic Review Protocol.

Cardiovascular diseases are the leading cause of mortality worldwide, requiring support to manage symptoms and improve prognosis. Home-based cardiac rehabilitation is a realistic resource for this purpose, but it requires patients' self-management skills in order to change behaviours. Smartphones are considered mHealth technology (mobile technological resources in healthcare) and have the potential to provide modalities for delivery of cardiac rehabilitation. This systematic review aims to examine these modalities and identify those that are most effective for improving exercise capacity, qual…

Measuring High-Resolution Sleep Position in Adolescents over 4 Nights with Smartphone Accelerometers.

Sleep position affects sleep quality and the severity of different diseases. Classical methods to measure sleep position are complex, expensive, and difficult to use outside the laboratory. Wearables and smartphones can help to address these issues to track sleep position at home over several nights. In this study, we monitor high-resolution sleep position in 13 adolescents over 4 nights using smartphone accelerometer data. We aim to investigate the distribution of sleep positions and position changes in adolescents, study their variability across nights, and propose new measures related to no…

Improving Children's Sleep Habits Using an Interactive Smartphone App: Community-Based Intervention Study.

BACKGROUND: Sleep problems are quite common among young children and are often a challenge for parents and a hinderance to children's develo … ailored interventions. OBJECTIVE: This study aimed to examine the effectiveness of the interactive smartphone app "Nenne Navi," which provides culturally and family-tailored suggestions for improving sleep habits in young Japanese children through community-based long-term trials. The study also aimed to investigate the association between app-driven improv …

Capturing nystagmus during vertigo attacks using a smartphone: adherence, characteristics, pearls and pitfalls.

OBJECTIVE: To investigate adherence, characteristics, and first clinical experiences of capturing ictal nystagmus at home, which can be performed to complement the diagnostic process in patients with episodic vestibular symptoms. METHODS: Patients were recruited at a tertiary referral center in case capturing ictal nystagmus could contribute to the diagnostic process (e.g., to detect or rule out BPPV). They were asked to capture ictal nystagmus with their own smartphone at home, using a smartphone-based adapter (Nystagmocatcher, Balansdiagnos, Stockholm, Sweden). All recordings were analyzed …

Smartphone-Enabled versus Conventional Otoscopy in Detecting Middle Ear Disease: A Meta-Analysis.

Traditional otoscopy has some limitations, including poor visualization and inadequate time for evaluation in suboptimal environments. Smartphone-enabled otoscopy may improve examination quality and serve as a potential diagnostic tool for middle ear diseases using a telemedicine approach. The main objectives are to compare the correctness of smartphone-enabled otoscopy and traditional otoscopy and to evaluate the diagnostic confidence of the examiner via meta-analysis. From inception through 20 January 2022, the Cochrane Library, PubMed, EMBASE, Web of Science, and Scopus databases were searc…