Review Article

The Use of Hyaluronic Acid after Tendon Surgery and in Tendinopathies

Table 1

Effects of HA in rotator cuff disorders.

Author (year)DiseaseExperimental groupsProtocolOutcomes measuresFollow-upResults

Shibata et al. (2001) [24]FTTLMW HA (27)
Steroid (28)
5 intra-articular injections 
(1-week interval)
ROM, UCLA6 monthsNo difference

Meloni et al. (2008) [25]Tendinosis LMW HA (28)
Saline (28)
5 injections over the superior tendon surface 
(1-week interval)
ROM, VAS12 monthsBetter results in HA group

Costantino et al. (2009) [26]FTTLMW HA (22)* 
No control group
3 intra-articular injections 
(1-week interval)
ROM, VAS, Costant6 monthsPain reduction 
ROM improvement

Chou et al. (2010) [27]PTT
Tendinosis
LMW HA (25) 
Saline (26)
5 injections into SAD 
(1-week interval)
VAS, Costant33 monthsBetter result in HA group

Ozgen et al. (2012) [28]TendinosisHMW HA (12)* 
Physical therapy (12)*
3 intra-articular injections 
(1-week interval)
ROM, VAS3–42 monthsNo difference

Merolla et al. (2013) [29]TendinosisLMW HA (25) 
Rehab (23)
2 injections over the superior tendon surface 
(2-week interval)
VAS, Costant, Oxford6 monthsNo difference at week 2 ;
HA better at weeks 4, 12, and 24

FTT: full thickness tear.
PTT: partial thickness tear.
In brackets the number of patients is reported.
*Home exercise programs were prescribed.
SAD: subacromial-deltoid bursa.