Data Exchange Interoperability Framework Between LIS and HER
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ADDIS ABABAUNIVERSITY SCHOOL OF GRADUATE STUDIES SCHOOL OF INFORMATION SCIENCE AND SCHOOL OF PUBLIC HEALTH DATA EXCHNAGE INTEROPRABILITY FRAMEWORK FOR LABORATORY INFORMATION SYSTEM (LIS) AND ELECTRONIC HEALTH RECORD (EHR) OF TWO HOSPITALS IN ADDIS ABABA WONDWOSEN SHIFERAW ABERA JUNE, 2013 ADDIS ABABAUNIVERSITY SCHOOL OF GRADUATE STUDIES SCHOOL OF INFORMATION SCIENCE AND SCHOOL OF PUBLIC HEALTH DATA EXCHNAGE INTEROPRABILITY FRAMEWORK FOR LABORATORY INFORMATION SYSTEM (LIS) AND ELECTRONIC HEALTH RECORD (EHR) OF TWO HOSPITALS IN ADDIS ABABA A THESIS SUBMITTED TO THE SCHOOL OF GRADUATE STUDIES IN PARTIAL FULLFILMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE IN HEALTH INFORMATICS BY WONDWOSEN SHIFERAW ABERA JUNE, 2013 ADDIS ABABAUNIVERSITY SCHOOL OF GRADUATE STUDIES SCHOOL OF INFORMATION SCIENCE AND SCHOOL OF PUBLIC HEALTH DATA EXCHNAGE INTEROPRABILITY FRAMEWORK FOR LABORATORY INFORMATION SYSTEM (LIS) AND ELECTRONIC HEALTH RECORD (EHR) OF TWO HOSPITALS IN ADDIS ABABA BY WONDWOSEN SHIFERAW ABERA Members of the examining board: Name Title Signature Date ____________________ Chairperson ______________ ___________ ____________________ Advisor ______________ ___________ ___________________ Advisor ______________ ___________ ___________________ Examiner ______________ ___________ _____________________ Examiner ______________ ___________ AAU, SCHOOL OF PUBLIC HEALTH ANDSCHOOL OF INFORMATICS Page III DECLARATION I declare that this thesis is my original work and it has not been presented for a degree in any other university. All the material sources used in this work are duly acknowledged. _____________________________ Wondwosen Shiferaw May 2013 This thesis has been submitted for examination with our approval as university advisors. ___________________________ Dr. Fikre Enquselassie ___________________________ Ato Workshet Lamenew AAU, SCHOOL OF PUBLIC HEALTH ANDSCHOOL OF INFORMATICS Page IV DEDICATION I dedicate this work to St. Marry, St. Habtemariham and My family who are always helping and motivating me to continue my education to the level possible. AAU, SCHOOL OF PUBLIC HEALTH ANDSCHOOL OF INFORMATICS Page V ACKNOWLEDGMENT I would like to take this opportunity to express my deepest gratitude to my advisors, Mr. Workshet Lamenew and Dr. Fikre Enquselassie for their guidance, encouragement, and support throughout my research. I am also greatly indebted to Dr. Mengistu Kifle, who helped me in doing the whole research work and providing me with the available resources. My heartfelt thanks also go to FMOH staffs Hajra Mohammed, Mekonnen Engeda, Nega Tesfaye, Dawit Birhan, Abebe Mekonnen, Esubalew Sebsibe, Tesfaye Habet, Banche Adera, Asfaw Kelbessa, Hiwot Tesfaye, and Aklilu Asrat for their support in providing information on eHealth and interoperability in Ethiopia. I am also indebted to Shiferaw Abera's family, Yenegus Nemera, Mekdes Shiferaw, Mehret Shiferaw you were so special throughout my study thank you so much. At last, but by no means the least, I would like to thank my friends, Mesganaw Tadesse, Sahle Kibru, Robel Tezera, Samson Kiflom, and Serkadis Jemberu for the constant assistance and the times we had during my study. AAU, SCHOOL OF PUBLIC HEALTH ANDSCHOOL OF INFORMATICS Page VI TABLE OF CONTENTS TABLE OF CONTENTS ................................................................................................................................. VII LIST OF TABLES............................................................................................................................................... X LIST OF FIGURES ............................................................................................................................................ XI LIST OF ABRIVATIONS ................................................................................................................................ XII ABSTRACT ..................................................................................................................................................... XIV CHAPTER ONE ................................................................................................................................................... 1 INTRODUCTION ................................................................................................................................................ 1 1.1. Background ........................................................................................................................................... 1 1.2. Problem statement ................................................................................................................................. 4 1.3. Objectives ............................................................................................................................................. 5 1.3.1. General Objective .................................................................................................................................. 5 1.3.2. Specific Objectives ................................................................................................................................ 5 1.4. Scope of the Study ................................................................................................................................. 6 1.5. Significance of the Study ....................................................................................................................... 6 1.6. Operational definitions ........................................................................................................................... 7 1.7. Organizations of the thesis ..................................................................................................................... 8 CHAPTER TWO: LITRATURE REVIEW ........................................................................................................ 9 INTEROPERABILITY FRAMEWORK ON eHEALTH SYSTEMS ................................................................ 9 2.1. Concepts and Definitions ....................................................................................................................... 9 2.2. Interoperability in eHealth System ....................................................................................................... 10 2.3. Semantic interoperability framework on eHealth systems ..................................................................... 12 2.4. Standards in eHealth systems ............................................................................................................... 13 2.4.1. Health Level 7 ..................................................................................................................................... 13 2.4.1.1. HL7 message refinement process ..................................................................................................... 15 2.5. Potential Power of Interoperability in the Hospitals .............................................................................. 16 2.6. eHealth Applications in Ethiopia (LIS and EHR) .................................................................................. 17 2.6.1. Electronic Health record/ Smartcare (EHR): ......................................................................................... 18 2.6.1.1. Ethiopian EHR Features .................................................................................................................. 18 2.6.1.2. Network Logical architecture for EHR in Ethiopia ........................................................................... 19 2.6.2. Laboratory information system (LIS) ................................................................................................... 19 2.6.2.1. Ethiopian LIS Features .................................................................................................................... 20 2.7. Related works ...................................................................................................................................... 21 CHAPTER THREE: .......................................................................................................................................... 25 METHODOLOGY ............................................................................................................................................. 25 3.1. Study Design ....................................................................................................................................... 25 3.2. Study Area: ......................................................................................................................................... 25 3.3. Study population .................................................................................................................................. 27 3.4. Sampling Techniques ........................................................................................................................... 27 AAU, SCHOOL OF PUBLIC HEALTH ANDSCHOOL OF INFORMATICS Page VII 3.5. Sample Size ......................................................................................................................................... 27 3.6. Data Collection Procedure ................................................................................................................... 28 3.7. Interview ............................................................................................................................................. 28 3.8. Application functionality Testing Criteria