Technology, Information & Handhelds Stephen Lapinsky Mount Sinai Hospital & University of Toronto Toronto
One ICU patient generates up to 236 variable categories Morris, Crit Care Clin 1999, 15:523 Humans capable of managing 5 to 9 variables adequately Miller, Psychol Rev 1956, 63:81 Data overload - patient information
Textbooks Journal articles Review articles Association Guidelines Hospital protocols Pharmaceutical company information Electronic Medical literature Data overload - reference information
Data overload - communicating info
Evaluation of New Technologies in Medicine Information Access in Critical Care
Automated Paging Alert System Software agent scans hospital database Filters: eg. Location = ICU Hgb < 70 g/L or 20% drop Generates automated page Ongoing evaluation: - time to intervention - satisfaction: physician nurse
Digital Wireless Area Network IEEE b Wireless LAN at 11 Mb/s Wireless cart allowing bedside access to: hospital system (eg. labs) PACS radiology images Internet searches Order entry Teaching Potential for: video transmission wireless handhelds wearable computers
Handheld Computers
Roles for Handheld computers access to patient information tracking patient symptoms, signs tracking patient symptoms, signs access to medical reference information access to medical reference information tracking educational experience tracking educational experience research data entry research data entry scheduling, contacts scheduling, contacts non-synchronous communication non-synchronous communication
Roles for Handheld computers D Roles for Handheld computers Demonstration
Evaluation of Palm Computers in Critical Care Study 1: Qualitative evaluation of handheld computers in the ICU Study 2:Comparison between “paper” and electronic medical reference database Study 3: Evaluation of Surgical Procedure logging using handheld devices Study 4: Evaluation of handheld Pharmacopoeias Study 5: Ontario Critical Care Information Network
Evaluation of Palm Computers in Critical Care Study 1: Qualitative evaluation of handheld computers in the ICU computers in the ICU Study 2:Comparison between “paper” and electronic medical reference database Study 3: Evaluation of Surgical Procedure logging using handheld devices Study 4: Evaluation of handheld Pharmacopoeias Study 5: Ontario Critical Care Information Network
Data entry & transfer: on admission update on rounds IR beaming between staff Reports Daily report Discharge summary IR beam to HP Laserjet 6P Methods
Results Evaluation of Palm Computers in Critical Care 6 month study period: June - November 1999 24 palm handheld users (84 user-months): 3 Focus group meetings at 2 month intervals
Results Evaluation of Palm Computers in Critical Care Physical attributes of Palm IIIx Patient Management database Medical reference database Suggestions: hardware & software Suggestions: process
Evaluation of Palm Computers in Critical Care Study 1: Qualitative evaluation of handheld computers in the ICU Study 2:Comparison between “paper” and electronic medical reference database medical reference database Study 3: Evaluation of Surgical Procedure logging using handheld devices Study 4: Evaluation of handheld Pharmacopoeias Study 5: Ontario Critical Care Information Network
Methods Paper database: Critical Care Handbook of the Massachussetts General Hospital Study 2 Comparison of paper & electronic databases
Methods Paper database: Critical Care Handbook of the Massachussetts General Hospital Palm database: Electronic version of the Mass Gen handbook Mount Sinai ICU handbook Searchable database Treatment guidelines Comparison of paper & electronic databases
Methods Crossover study: 3 weeks control (paper), 3 weeks handheld Subjective assessment: Survey, interview Objective assessment: Test clinical ICU scenarios, time-constrained Standardized on a separate group of trainees Results: No significant difference But: Palm could carry 5x the data Comparison of paper & electronic databases
Evaluation of Palm Computers in Critical Care Study 1: Qualitative evaluation of handheld computers in the ICU Study 2:Comparison between “paper” and electronic medical reference database Study 3: Evaluation of Surgical Procedure logging using handheld devices using handheld devices Study 4: Evaluation of handheld Pharmacopoeias Study 5: Ontario Critical Care Information Network
Surgical Procedure Logging System 69 General Surgery residents Data entry on Palm Internet download of procedure data
Reports Allow evaluation of - individual trainees - teachers - hospitals - trainee years - etc Surgical Procedure Logging System
ICU Procedure Logging System
Evaluation of Palm Computers in Critical Care Study 1: Qualitative evaluation of handheld computers in the ICU Study 2:Comparison between “paper” and electronic medical reference database Study 3: Evaluation of Surgical Procedure logging using handheld devices Study 4: Evaluation of handheld Pharmacopoeias Study 5: Ontario Critical Care Information Network
Comparison of features & content Pharmacopoeias Mobile Micromedex Epocrates qRx Dr. Drugs A2Z Drugs Lexi-Drugs Moby Drugs & Interactions PDR Comparison of Handheld Pharmacopoeias Results: Essential parameters: - Physicians identified 9 - Pharmacists identified 14 Content: A2Z9/913/14 Functionality Cost Updates
Evaluation of Palm Computers in Critical Care Study 1: Qualitative evaluation of handheld computers in the ICU Study 2:Comparison between “paper” and electronic medical reference database Study 3: Evaluation of Surgical Procedure logging using handheld devices Study 4: Evaluation of handheld Pharmacopoeias Study 5: Ontario Critical Care Information Network
Dr. B. Kashin Dr. H. Clasky Dr. T. Rogovein Dr. D. McRitchie Dr. S. Lapinsky Dr. T. Stewart Dr. R. Wax Dr. S. Fischer
INFORMATION DATABASE content determined by user’s needs evidence-based management guidelines regularly updated according to feedback Internet Synchronisation from office, home, ICU Palm Handheld Reference Resource mobile, point-of-care access to medical information optimal formatting to facilitate rapid data retrieval hyperlinked text, tables, images, calculators online feedback re: content, format
Does the handheld resource work? - videotaped "think aloud" analysis of the technology in action Do community intensivists find the content and technology helpful? content and technology helpful? - Surveys downloaded to users’ handhelds - Moderated focus group meetings Does the network improve resource use? - Clinician performance pre/post with a computer-controlled human simulator - Comparison of ICU mortality, duration of mechanical ventilation and length of stay, patient transfers Evaluation
Acknowledgments Current studies supported by: