Review Article

Color Doppler Imaging Analysis of Ocular Blood Flow Velocities in Normal Tension Glaucoma Patients: A Meta-Analysis

Table 3

Examining equipment and eye selection of the included studies.

StudyCDI equipmentTransducer frequencyMeasurement body position

[29]Antares CDI device
(Siemens, Munich, Germany)
NANA
[43]Antares CDI device
(Siemens, Munich, Germany)
NANA
[44]Antares CDI device
(Siemens, Munich, Germany)
NANA
[45]Antares CDI device
(Siemens, Munich, Germany)
NANA
[46]Toshiba SSA 240A scanner
(Toshiba, Tokyo, Japan)
7.5 MHzSupine
[47]Acuson 128 machine
(Mountain View, CA)
7.5 MHzSupine
[48]Acuson 128 machine
(Mountain View, CA)
7.5 MHzSupine
[49]Asynchronous Hitachi Analyzer
(Japan)
7.5 MHzNA
[50]Acuson 128 XP10
(Mountain View, CA)
7 MHzSupine
[51]QAD-l color Doppler unit
(Quantum Medical Systems Inc., lssaquah, WA, USA)
7.5 MHzNA
[52]LOGIQ 500 system
(GE Yokogawa Medical Systems, Tokyo, Japan)
7.5 MHzSupine
[53]Sonoline Elegra Advanced System
(Siemens, Erlangen, Germany)
6.5 MHzSupine and
sitting
[54]DynaView II SSD-1700
(Aloka, Tokyo, Japan)
6 MHzSupine
[55]Siemens Quantum 2000 CDI system
(Siemens Quantum Inc., Issaquah, WA, USA)
7.5 MHzSitting (lean against a chair ~60°)
[56]Siemens Sonoline Sienna
(Germany)
7.5 MHzSupine
[57]Siemens Quantum 2000
(Siemens Albis AG, Zurich, Switzerland)
7.5 MHzSupine
[58]Siemens Sonoline Sienna
(Germany)
7.5 MHzSupine
[30]Siemens Sonoline Sienna
(Germany)
7.5 MHzSupine
[59]Acuson 128 XP machine
(Mountain View, California)
7 MHzSupine
[60]System MedasonicII Transpect TCD
(Medasonics, CA, USA)
2 MHzSupine
[61]Antares CDI device
(Siemens, Munich, Germany)
NANA
[62]Antares CDI device
(Siemens, Munich, Germany)
7.5 MHzSupine
[28]HDI5000
(Philips Ultrasound, Bothell, WA, USA)
7.5 MHzSupine

TCD = transcranial Doppler; NA = not available.
This meta-analysis took the data in supine position of this study.
Probe frequency in that study was used for transcranial Doppler.