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Development of a computerized provider order entry system for laboratory

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par Gérard Bisama Mutshipayi
University of Ghana - Master of Science (MSc) 2015
  

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TABLE OF CONTENTS

DECLARATION

DEDICATION ii

ACKNOWLEDGEMENT iii

ABSTRACT iv

TABLE OF CONTENTS vi

LIST OF FIGURES ix

LIST OF TABLES xi

LIST OF ABBREVIATIONS xii

CHAPTER 1 1

1. INTRODUCTION 1

1.1. Background 1

1.2. Problem statement 5

1.3. Framework of the laboratory test order management system 7

1.4. Justification of the study 9

1.5. Objectives 11

1.5.1. General objectives 11

1.5.2. Specific objectives 11

CHAPTER 2 12

2. LITERATURE REVIEW 12

2.1. The use of automated laboratory data management with an EMR 12

2.2. The benefits of improving laboratory data management on the patient safety in care delivery 13

2.3. The importance of laboratory data for public health monitoring of diseases and epidemics 14

2.4. The benefits of Electronic Health Record and problems associated with their implementation. 15

2.5. The mobile Health (mHealth) 16

2.5.1. Cell phone text messages for communication of lab results in Uganda 16

2.5.2. The Mobile Technology for Community Health (MoTeCH) Initiative in Ghana 17

2.6. The common categories of Computerized Provider Order Entry (CPOE) 18

2.7. Works on the design and implementation of Health Information system 19

2.7.1. Design of the Open Medical Record System (OpenMRS) to support HIV treatment in Rwanda 19

2.7.2. The LabPush system in Swaziland 21

2.7.3. Design of an application for the chemotherapy treatment process at University Hospital of Geneva 22

2.8. Conclusion 24

CHAPTER 3 26

3. METHODOLOGY 26

3.1. Data collection 26

3.2. System development life cycle 28

3.3. The planning phase 29

3.4. The analysis phase 30

3.4.1. The existing situation 30

3.4.2. Improvements identification 31

3.4.3. Requirements definition 31

Business requirements 32

Functional requirements 32

Nonfunctional requirements 34

3.5. System design 35

3.5.1. System Architecture 35

3.5.2. The process modelling 36

Activity Diagrams 37

Use case diagrams 38

Class diagrams 41

Sequences diagrams 43

3.5.3. The data modelling 45

Conceptual data design 45

Logical data design 48

Physical data design 52

CHAPTER 4 53

4. SYSTEM DEVELOPMENT 53

4.1. The users and system administration module 54

4.2. The medical staff management module 56

4.3. The patient management module 57

4.4. The appointment and consultation module 58

3.1. The laboratory test order management module 59

4.5. The laboratory test result management module 61

4.6. The report module 65

CHAPTER 5 67

5. DISCUSSION 67

5.1. The design consideration 67

5.2. Benefits of the system 68

5.3. Limitation 69

5.4. Future works 69

6. CONCLUSION AND RECOMMENDATION 71

6.1. Conclusion 71

6.2. Recommendation 72

Reference 74

LIST OF FIGURES

Figure 1.1:Adapted framework of CPOE system in the district hospital 2

Figure 3.2: System architecture 36

Figure 3.3: Activity diagram 38

Figure 3.5: Use case diagram for patient and medical staff management subsystem 39

Figure 3.6: Use case diagram for the laboratory test order management subsystem 40

Figure 3.8: Use case diagram for the lab order result management subsystem 41

Figure 3.9: Class diagram for the user's management package 42

Figure 3.10: Class diagram for the location package 42

Figure 3.11: Class diagram for the order and result management package 43

Figure 3.12: Sequence diagram for order laboratory test scenario 44

Figure 3.13: Sequence diagram for record lab test result scenario 45

Figure 3.14: First ER diagram 47

Figure 3.15: Final ER diagram 50

Figure 4.2: System login form 55

Figure 4.3: Main form of the system 55

Figure 4.4: Users security system access configuration 56

Figure 4.5: User change password form 56

Figure 4.6: Medical staff personal details registration 57

Figure 4.7: Patient search form 58

Figure 4.8: Patient registration form 58

Figure 4.9: Patient assignment to clinician 59

Figure 4.10: Laboratory test group order for a patient. 60

Figure 4.11: List of order place by a clinician 60

Figure 4.12: Laboratory specimen deposit record 62

Figure 4.13: Lab result record and notification 62

Figure 4.14: SMS lab result notification format for the patient 63

Figure 4.15: SMS lab result notification format for the clinician 63

Figure 4.16: E-mail lab notification format for the patient 63

Figure 4.17: E-mail lab result notification format for the clinician 64

Figure 4.18: Lab result view and treatment registration form 64

Figure 4.19: Resend of lab result notification to patient and/or clinician 65

Figure. 4. 20: Patient lab history report 66

Figure. 4. 21: Case-based surveillance reporting form 66

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