Lecture 18Thursday, March 29

Victoria Aceti

Picture and Archiving Communication Systems

(PACS)

3

Picture and archiving information system

Original PACS system integrated in 1982 in the US

Allows for sharing of diagnostic images through a centralized repository

Different types of health information available in PACS:RadiologyCardiovascular

What is PAC

S?

4

WS

SAHIMAGIN

G

GHC MAMMOGRAP

HY

ARCHIVERADIOLOGI

ST RIS

WS

RE

POR

T

RIS

5

6

Replacement of hard copy medical images

Remote accessElectronic integration of

information (EMR & RIS)Improvement of workflowAdditional tools to improve patient

diagnosesImproved collaboration Improved communication

Benefits of PAC

S

7

Technical issues impeding the delivery of images

Potential loss of data or lack of data transmission

Legal issues of responsibility between organizations

High cost of integrating system and updating system

PACS C

hallenges

8

Originally the “Pan-Northern Ontario PACS Project”

NEODIN is one of four Diagnostic Imaging Repositories being implemented in Ontario

NW-LHIN, NE-LHIN & Champlain LHIN

A total of 59 hospitals (including Group Health Centre) involved

Overall goal is to link up all 4 in Ontario for one repository

Pan-Northern O

ntario PAC

S Project

9

WS

SAHIMAGIN

G

GHC MAMMOGRAP

HY

ARCHIVERADIOLOGI

ST RIS

WS

RE

POR

T

10

Computer Assisted Diagnosis

11

Combines artificial intelligence and digital images to help diagnose irregularities

Used in the detection of cancers and heart disease at the screening stage

Introduced in 1960s who proposed the idea that computers could detect irregularities

Computer Assisted Diagnosis

12

Systematic review conducted in 2011 found that CADx assist in the diagnosis of breast cancers, but no evidence of overall benefit from using CADx. Further there is no evidence that CADx are a detriment to diagnosis

Eadie et al. Systematic Review