JOURNAL ARTICLE
RANDOMIZED CONTROLLED TRIAL

Influence of various laser therapy methods on knee joint pain and function in patients with knee osteoarthritis

Kamila Gworys, Jowita Gasztych, Anna Puzder, Przemysław Gworys, Jolanta Kujawa
Ortopedia, Traumatologia, Rehabilitacja 2012, 14 (3): 269-77
22764339

BACKGROUND: The aim of the study was to estimate the influence of various laser therapy methods on knee joint pain and function in patients with knee osteoarthritis.

MATERIAL AND METHODS: 125 patients were randomly assigned to 4 groups: • group I received one-wave laser irradiation (wave length 810 nm, dose 8 J/point) • group II received two-wave MLS laser irradiation (power 1100 mW, frequency 2000 Hz, dose 12.4 J/point) • group III received a similar regimen of two-wave MLS laser irradiation, but at a dose of 6.6 J per point • group IV was a placebo group where laser therapy procedures were simulated without actual irradiation. The effectiveness of the therapy was evaluated by means of Lequesne's scale, a modified Laitinen questionnaire and a visual analogue scale (VAS). Statistical analysis utilised non-parametric Wilcoxon's and Mann-Whitney's tests. Calculations were carried out with MedCalc v. 11.6.1.0.

RESULTS: Statistically significant improvements in knee joint function and pain relief were seen in all groups (I, II and III). When groups I, II and III were compared, the largest improvement was found in group II (MLS laser, dose 12.4 J/point). The degrees of improvement in groups I and III were similar.

CONCLUSIONS: One-wave laser irradiation at a dose of 8 J per point and two-wave laser irradiation with doses of 12.4 J and 6.6 J per point significantly improved knee joint function and relieved knee pain in patients with osteoarthritis.

Full Text Links

Find Full Text Links for this Article

Discussion

You are not logged in. Sign Up or Log In to join the discussion.

Related Papers

Remove bar
Read by QxMD icon Read
22764339
×

Save your favorite articles in one place with a free QxMD account.

×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"