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🧑 Human 📄 Retrospective study 👥 34 patients (12 PBM, 22 ctrl) ⌛ ~75-80 days of hospital stay, PBM started from day ~24 · 2022 · Taiwan (Taichung)

Intravascular Laser Irradiation of Blood Improves Functional Independence in Subacute Post-Stroke Patients: A Retrospective Observational Study from a Post-Stroke Acute Care Center in Taiwan

Lai · Photobiomodul Photomed Laser Surg · 2022

The protocol this study used

Wavelength
633 nm
Dose
6429 J/cm²
Sessions
10
Per session
60 min

What the authors concluded

Patients who received ILIB had significantly superior mRS scores than those who received only conventional rehabilitation (p = 0.028). Patients in the ILIB group experienced more improvements in the BI, 6MWT, and FMA-UE; however, these were nonsignificant. In addition, the control group experienced a greater improvement in the BBS than the ILIB group. Further studies are required to elucidate the

Devices that emit this wavelength

Matched on wavelength within 15nm, since LED bins vary by roughly that much and a tighter match would be false precision. Where we have an irradiance figure, the session length is the time needed to reach this study's dose of 6429 J/cm² at that intensity.

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MitoPRO 1500+
630 · 660 · 830 · 850 nm
Measured
$1,169
≈ 1400 min 39 sec / session
at 76.5 mW/cm²
MitoPRO 1500X
590 · 630 · 660 · 810 · 830 · 850 nm
Measured
$1,299
≈ 2002 min 48 sec / session
at 53.5 mW/cm²
PlatinumLED BIOMAX 900
480 · 630 · 660 · 810 · 830 · 850 · 1060 nm
Measured
$1,299
≈ 1186 min 36 sec / session
at 90.3 mW/cm²
MitoADAPT MAX 4.0
590 · 630 · 660 · 670 · 810 · 830 · 850 · 940 nm
Measured
$1,499
≈ 2169 min 2 sec / session
at 49.4 mW/cm²
MitoADAPT MIN 4.0
590 · 630 · 660 · 670 · 810 · 830 · 850 · 940 nm
Measured
$549
≈ 2632 min 41 sec / session
at 40.7 mW/cm²
PlatinumLED BIOMAX 300
480 · 630 · 660 · 810 · 830 · 850 · 1060 nm
Measured
$659
≈ 1530 min 43 sec / session
at 70 mW/cm²

Matching a wavelength is not the same as reproducing a trial. Session times assume the device's published irradiance is accurate at the distance it was measured, which on brand-claim figures is often optimistic. Where a device publishes both a peak and an average we use the average, and where it publishes a falloff curve we use the lowest figure, so these times run long rather than short. Clinical protocols also control for spot size, contact and skin type in ways a home device cannot.

Source

PubMed 36219758 →

Dosimetry extracted by Vladimir Heiskanen in Photobiomodulation (PBM) research - a comprehensive database. Citation resolved against PubMed.