On The Move Ultrasound Diagnosis on Mobile

Transcription

1 On The Move Ultrasound Diagnosis on Mobile Humayun Irshad 1, Sajjad Athar 1, Faisal Shahzad 1,2, Adnan Bashir 1,2, Dr. Farhat Jehan 3 1 Next Generation Intelligent Networks Research Center (nexgin RC), 2 National University of Computer and Emerging Sciences (FAST-NUCES), Islamabad 3 Telemedinice and e-health Training, Holy Family Hospital Rawalpindi

2 Agenda 1 Background 2 Objectives 3 Methods 4 Comparative Studies 5 Image Processing 6 Future Goals 7 Questions 10/14/2013 Ultrasound Diagnosis on Mobile 2

3 Background Health care situation in Pakistan is below the international standards due to scarcity and unavailability of specialists Lack of Health Infrastructure Shortage of trained Radiologists Few Radiologists specially in remote areas Poor antenatal facilities in remote areas 10/14/2013 Ultrasound Diagnosis on Mobile 3

4 Solutions 1. Increase the number of radiologists and send the radiologists to remote areas 2. Use of Information and Communication Technology (ICT) to improve efficiency of existing health care facilities 10/14/2013 Ultrasound Diagnosis on Mobile 4

5 Idea Tools Connectivity Patients Health Care Professionals 10/14/2013 Ultrasound Diagnosis on Mobile 5

6 Development of system to extend the services of radiologist to remote areas

7 System Architecture 10/14/2013 Ultrasound Diagnosis on Mobile 7

8 System Features & Methodology Developed a web interface to upload ultrasound images and patient medical data Developed a web server and EMR for data storage and interaction with Mobile applications and CDSS Developed an application for radiologists to diagnosis ultrasound on mobile Implemented image processing techniques for image content enhancement, noise removal and transmission Implemented the algorithms for image zooming SMS based notification and alerts for radiologists 10/14/2013 Ultrasound Diagnosis on Mobile 8

9 System Flow Web Site GPRS Server EMR Ultrasound Machine Patient Doctor GSM CDSS 10/14/2013 Ultrasound Diagnosis on Mobile 9

10 Website 10/14/2013 Ultrasound Diagnosis on Mobile 10

11 Methodology Equipment InnovaSound Ultrasound System: Direct Medical Systems 3.5 MHz Probe connected to Laptop

12 Mobile Application Enable Doctors to view Patient History Enable Doctors to views Ultrasound Images Give Feedback back to server Server send SMS to doctor and patient about any update 10/14/2013 Ultrasound Diagnosis on PDA 12

13 Mobile Application 10/14/2013 Ultrasound Diagnosis on Mobile 13

14 Mobile Application 10/14/2013 Ultrasound Diagnosis on Mobile 14

15 Research Study In hospital evaluation of the system before incorporating into routine practice.

16 Research Study Collected data of 60 patients from the Holy Family Hospital Each record contains specific ultrasound images Two way to diagnose: Laptop Mobile 10/14/2013 Ultrasound Diagnosis on PDA 16

17 Results Mean Age 42 (SD 13) Male 11 Female 49

18 Surgical Conditions Hepatobiliary Cholelithiais 16 Chronic Liver Disease 6 Liver Abscess 2 Urinary Nephrolithiasis/ Hydronephrosis 4 Bladder Calculi 2 Hypertrophy of Prostate 7

19 Gynae/Obst Conditions Gynecological Fibroids 8 Adnexal mass 6 Obstetrics Antenatal Scan 9

20 Results Frequency Percent Valid Percent Cumulative Percent Laptop Ultrasound Diagnosis same as Mobile Telesonography Laptop Ultrasound Diagnosis part of differentials of Mobile Telesonography Both Diagnosis Different

21 Comparison of Diagnosis Same diagnosis 51 cases Sensitivity :85 %

22 Certainty Level in Correct diagnosis Level of Certainty % age very certain 88 % somewhat certain 7 % uncertain 5 %

23 Satisfaction Level Satisfaction of Distant Radiologist on Mobile Application 48 patients Image relevance & quality of the study

24 Performance Analysis Image Size 10 KB Image Size 20 KB Average Image Access Time (Seconds) Image Size 30 KB Image Size 40 KB Image Size 50 KB Image Size 100 KB Average Image Access Time (Seconds) 10/14/2013 Ultrasound Diagnosis on PDA 24

25 Website 10/14/2013 Ultrasound Diagnosis on PDA 25

26 Website 10/14/2013 Ultrasound Diagnosis on PDA 26

27 Website 10/14/2013 Ultrasound Diagnosis on PDA 27

28 Future Work & Image Processing Image Segmentation Partitioning of digital image in segments To simplify an image into something that is more meaningful and easier to analyze Feature Extraction Extract important and relevant features for decision making Classification Classify images by observing the features and other relevant data from the EMR and Grand Chart 10/14/2013 Ultrasound Diagnosis on PDA 28

29 Current Working Original Background Image Noise Removed Enhancement Thresholding 10/14/2013 Ultrasound Diagnosis on PDA 29

30 Current Working 1-ROI and Partitioning 2-Fuzzy Mean Clustering 10/14/2013 Ultrasound Diagnosis on PDA 30

31 Current Working 3-Salient Edge Map 4-Contour Extraction and BDP 10/14/2013 Ultrasound Diagnosis on PDA 31

32 Current Working 5-Deforming Snake 6-Deforming Snake 10/14/2013 Ultrasound Diagnosis on PDA 32

33 Grand Chart (Femur Length Growth) 10/14/2013 Ultrasound Diagnosis on PDA 33

34 Grand Chart 10/14/2013 Ultrasound Diagnosis on PDA 34

35 Thank you Questions? 10/14/2013 Ultrasound Diagnosis on PDA 35