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The Feasibility Study for Real-time Remote CT Reading for Suspected Acute Appendicitis Using iPhone (Telemedicine)

H

Hanyang University

Status

Completed

Conditions

Telemedicine

Treatments

Device: CT reading using LCD monitor
Device: Remote CT reading using the iPhone

Study type

Interventional

Funder types

Other

Identifiers

NCT02108717
2014-02

Details and patient eligibility

About

  1. Purpose

    • The investigators aim to evaluate the feasibility of iPhone based remote control system as a real-time remote CT reading tool for suspected appendicitis under 3G network and the suboptimal illumination.
  2. Methods

    • A total of 120 abdominal CT examinations; sixty had no findings of appendicitis, while the other sixty showed signs of acute appendicitis, were selected. The 16 raters reviewed these images using an LCD monitor of the PACS workstation and also an iPhone which was connected to the PACS workstation via remote control system, grading the probability of presence of acute appendicitis on each examination by a five Likert scale.
    • The investigators will compare the diagnostic performance between two devices.

Full description

The 16 raters were randomly divided into two groups

  • The raters in group one reviewed the CT examinations numbered from one to 60 using LCD monitor and reviewed the remaining CT examinations numbered from 61 to 120 using iPhone with TeamViewer at their first visit
  • The other group firstly reviewed the CT scans numbered from one to 60 using iPhone with TeamViewer and 61 to 120 with the LCD monitor.
  • They visited twice with an interval of four weeks and reviewed the CT scans using revered devices at each session.
  • The raters were instructed to rate the likelihood of the presence or absence of appendicitis in each case using a five-Likert scale (1 = obvious no appendicitis, 2 = unlikely appendicitis, 3 = unsure, 4 = likely appendicitis, 5 = obvious appendicitis).

Enrollment

16 patients

Sex

Male

Ages

33 to 45 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Board certified emergency physicians with a clinical experience of 5 years and over.

Exclusion criteria

  • Corrected eyesight < 20/30
  • Color weakness or blindness

Trial design

Primary purpose

Basic Science

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Single Blind

16 participants in 2 patient groups

Group I
Experimental group
Description:
The raters in this group one firstly reviewed the CT scans numbered from one to 60 using LCD monitor and after mandatory rests of 20 minutes, reviewed the remaining CT examinations numbered from 61 to 120 using iPhone with TeamViewer at their first visit. They visited twice with an interval of four weeks and reviewed the CT scans using revered devices at each session.
Treatment:
Device: CT reading using LCD monitor
Device: Remote CT reading using the iPhone
Group II
Experimental group
Description:
The raters in this group II firstly reviewed the CT scans numbered from one to 60 using iPhone with TeamViewer and 61 to 120 with the LCD monitor. They visited twice with an interval of four weeks and reviewed the CT scans using revered devices at each session.
Treatment:
Device: CT reading using LCD monitor
Device: Remote CT reading using the iPhone

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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