Jeremiah Scholl

Karolinska Institutet | KI · Department of Learning, Informatics, Management and Ethics

BACKGROUND Wrong-site surgery (WSS) remains a critical but preventable medical error, often resulting in severe patient harm and substantial financial costs. While protocols exist to reduce WSS, underreporting and inconsistent documentation continue to contribute to its persistence. Machine learning (ML) models, which have shown success in detectin...

(1) Objective: This population-based study was performed to examine the trends of incidence and deaths due to malignant neoplasm of the brain (MNB) in association with mobile phone usage for a period of 20 years (January 2000–December 2019) in Taiwan. (2) Methods: Pearson correlation, regression analysis, and joinpoint regression analysis were used...

Recent discussions have focused on using health information technology (HIT) to support goals related to universal healthcare delivery. These discussions have generally not reflected on the experience of countries with a large amount of experience using HIT to support universal healthcare on a national level. HIT was compared globally by using data...

China's healthcare system often struggles to meet the needs of its 900 million people living in rural areas due to major challenges in preventive medicine and management of chronic diseases. Here we address some of these challenges by equipping village doctors (ViDs) with Health Information Technology and developing an electronic health record (EHR...

The issue of whether cell phone usage can contribute toward the development of brain tumors has recently been reignited with the International Agency for Research on Cancer classifying radiofrequency electromagnetic fields as 'possibly' carcinogenic to humans in a WHO report. To our knowledge, this is the largest study reporting on the incidence an...

A common denominator of modern hospitals is a variety of communication problems. In particular, interruptions from mobile communication devices are a cause of great concern for many physicians. To characterize how interruptions from mobile devices disturb physicians in their daily work. The gathered knowledge will be subsequently used as input for...

Turnaround time (TAT) is an important indicator of laboratory performance. It is often difficult to achieve fast TAT for blood tests conducted at clinics in developing countries. This is because clinics where the patient is treated are often far away from the laboratory, and transporting blood samples and test results between the two locations crea...

This case study reports on the utilization of telemedicine to support the management of the burns treatment in the islands of Sao Tome and Principe by Taipei Medical University-affiliated hospital in Taiwan. The authors share experiences about usage of telemedicine to support treatment of the burn victims in a low-income country that receive recons...

Background: Medical Informatics Systems (MIS) have been suggested as having great potential to improve health care delivery in low resource settings. One of the major barriers for adopting MIS in this context is a lack of adequate network/communication infrastructure. Delay Tolerant Networking (DTN) is an approach for establishing network connecti...

The purpose of this study was to learn about factors that influence the design and implementation of situated computing solutions that support hospital work. This includes social and technical aspects of the actual systems that will be implemented, as well as the appropriate design methodology for developing these systems. Staff at a surgical depar...

This paper presents an ethnographically inspired interpretive case study of the Electronic Medical Record (EMR) system at Sankara Nethralaya hospital in India. It presents challenges related to the adoption of the system and methods and strategies that were utilized in order to overcome these challenges and help the system be adopted successfully....

Social networking services are transforming the delivery of health care. Facebook, for example, is now commonly used by medical students, patients, and other stakeholders in the health-care system.1,2 We describe how Facebook enabled collaboration between stakeholders in emergency-medicine policy in Taiwan, which led to reforms.

This study presents a study of mobile information and communication technology (ICT) for healthcare professionals in a surgical ward. The purpose of the study was to create a participatory design process to investigate factors that affect the acceptance of mobile ICT in a surgical ward. Observations, interviews, a participatory design process, and...

Personal Health Record (PHR) systems are growing in popularity and are receiving increased attention from the Biomedical Informatics research community. Information Collection is one PHR research topic and includes system functionality that helps patients retrieve their data from external sources. One of the most potentially useful external sources...

The adoption of electronic medical record (EMR) system is gradually increasing. However, various time-motion studies reveal conflicting data regarding time effectiveness on workflow due to computerization. One of the major issues for physicians is their uncertainty with EMRs' potential impact of time on workflow. A tertiary eye hospital in south In...

A common denominator for modern hospitals is variety of communication problems. In particular, interruptions from mobile communication devices are a big concern for many physicians. This study adheres to an interpretive research approach. 11 physicians were observed for a total of 135 hours during May and June 2009, and shows in which degree physic...

Store and forward Voice-over-IP is a suggested solution for supporting Telemedicine at rural health clinics in developing countries. Solutions described to date are designed to support communication by establishing point-to-point connectivity between two sites. In this paper we present an approach for creating scalable Telemedicine networks based o...

The paper presents how authentication and encryption is implemented in the Snow disease surveillance network. Requirements for the authentication mechanism were collected from General Practitioners (GPs). The identity of each Snow user is preserved across health institutions allowing GPs to move freely between health institutions and use the system...

This paper presents an interpretive case study on extraction of disease surveillance data from Electronic Patient Records (EPRs) in primary care. The General Practitioners (GPs) use of the EPR system, and the effect this has on data content, such as symptoms reported by patients and diagnoses reported by GPs, is discussed. The paper contributes to...

We conducted a qualitative study of the system for contagious disease surveillance in Norway. Semi-structured interviews were held with five general practitioners (GPs), including one person responsible for informing GPs in their region about potentially serious disease outbreaks. The interviews suggested that the existing system had several limita...

We conducted interviews with two surgeons from the department of gastrointestinal surgery at the University Hospital of North Norway. The results confirmed that interruptions from mobile devices were a problem, especially in surgical theatres, outpatient wards, emergency wards and inpatient rooms. Users in hospitals, especially surgeons and physici...

Wireless phones and text messaging are tremendously popular in many areas of society. However, they are still relatively unused in hospitals where pagers are a pervasive communication device that is notoriously difficult to replace. This paper studies pager and wireless phone use at the oncology de- partment at University Hospital of North Norway....

A variety of communication problems is a common phenomenon in the current hospital setting. Physicians need a mobile context-aware communication system in their daily practice. Our approach, based on an initial study performed at the Oncology Department at the University Hospital of North Norway and an extensive collection of user needs according t...

This paper presents two case studies of informal group communication using multimedia conferencing that supports various media including video, audio and chat. The studies provide a comparison of audio and chat as communication medium and present data on usage patterns, user preferences and attitudes. The quantitative and qualitative data collected...

Studies of video conferencing systems generally focus on scenarios where users communicate using an audio channel. However, text chat serves users in a wide variety of contexts, and is commonly included in multimedia conferencing systems as a complement to the audio channel. This paper introduces a prototype application which integrates video and t...

This paper presents an application-layer middleware that applies a microeconomic model to help multimedia applications utilize available band- width in a way that maximizes the user's net benefit. The key components are a bandwidth broker that puts the supply of available bandwidth on a virtual mar- ket residing inside the application, and utility...

The paper presents a middleware that applies a microeconomic model to help multimedia applications utilize available bandwidth in a way that maximizes the user's net benefit. The key components are a bandwidth broker that puts the supply of available bandwidth on a virtual market, and utility functions for each piece of media, which are used to cal...

Efficient learning with cases requires discussion on the facts of the case as well as on their meaning. We investigated the focus (factual vs. abstract) of a case-based learning discussion when video was added to a chat-based learning system. Students whose first experience includes high-quality video, focus significantly more on abstract knowledge...

In this paper, bandwidth-sharing schemes, controlled by user-interest, are presented as an approach to efficient use of resources in a collaborative workspace environment. Two schemes for group videoconferencing are presented and evaluated. Monitoring of user-behavior and message passing to adapt video bandwidth allocation to user needs are key fea...

This paper presents StepTree, an information visualization tool designed for depicting hierarchies, such as directory structures. StepTree is similar to the hierarchy-visualization tool, Treemap, in that it uses a rectan- gular, space-filling methodology, but differs from Treemap in that it em- ploys three-dimensional space, which is used to more c...

A bandwidth-sharing scheme for group video conferencing is presented in this paper. The key features of the scheme are the monitoring of user behavior and message passing, which are used by each client in order to identify and report their interest in other group members. Each video sender operates on the information about other users' interest in...

This paper presents a bandwidth sharing scheme for group video conferencing.

This paper presents a bandwidthsharing scheme for group video con- ferencing. The key features of the scheme are the monitoring of implicit user-hints and message passing, which are used by each client in order to identify and re- port their interest in other group members. Informationabout user interest is then used by each video sender in order t...

Transport level protocols typically provide best-effort data delivery where no attempts are made to recover lost packets, or reliable data delivery where techniques are used to ensure that all data sent out eventually reaches the receivers. However, it has been suggested that some applications will perform better when using dynamically configurable...

This paper presents a prototype for single-rate reliable multicast congestion control, which has been built into an existing commercial whiteboard. The prototype was developed using a novel scheme that was engineered around conflicting industry provided requirements for collaborative workspaces. This required the scheme to be both low-weight when u...

Abstract This dissertation presents work on designing multimedia,conferencing systems that better support informal communication,among,groups. In this case the term “informal” refers to the ability of the system to support unplanned,communication and side conversations between members,of the group. This contrasts from the classical goal of video-co...

This paper presents some ideas we are currently investigating in single-rate reliable multicast congestion control. We discuss the advantages and disadvantages of current schemes and speculate on how they could be improved. At this time we only present our general ideas and have not tested them with simulations or refined them in any way. For this...