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Table 2 Characteristics of the studies

From: State of art in intra-articular hip injections of different medications for osteoarthritis: a systematic review

PAPERS

INTERVENTIONS

(n. patients or hips)

TOTAL PATIENTS

K-L GRADE

INJECTIONS CHARATHERISTICS

OUTCOME

MEASURES

FOLLOW-UP

MAIN RESULTS

INTRA-ARTICULAR MEDICATION

N. INJECTIONS

(n/w)

Jurgensmeier et al. 2021 [25]

CS (30)

KET (28)

58 hips

>II

Triamcinolone acetonide 80 mg

VS

Ketorolac 30 mg

1

HOOS

VAS

PROMIS

T0: baseline

T1: 1 week

T2: 1 months

T3: 3 months

KET comparable improvement to CS

Krautler et al. 2021 [26]

HA (LMW HA): (16)

PRP (LP-PRP)( (20)

36 hips

II-III

Supartz®

(620-1170 kDa)

2.5 ml of 1%

(10 mg)

VS

LP-PRP 1-2 ml

3

1/W

WOMAC

ROM

T0: baseline

T1: 3 months

T2: 6 months

T3: 12 months

T4: 24 months

Significant improvement in WOMAC and hip internal rotation for LP-PRP group at 6 months.

Better WOMAC for LP-PRP until 24 months, between groups.

De Rezende et al. 2020 [27]

CS (19)

CS + 2 ml HA (19)

CS + 4 ml HA (22)

CS + 6 ml HA (22)

82

II-III

Hylan G-F 20®

(6000 kDa)

6 ml

±

Triamcinolone acetonide 40 mg

2 ml

1

VAS

ROM

WOMAC

Lequense

T0: baseline

T1: 1 month

T2: 3 months

T3: 6 months

T4: 12 months

Improvement in all groups for pain, function, and quality of life up to a year in HOA.

CS+HA improve ROM up to one year.

Villanova et al. 2020 [28]

HA (37)

PRP (37)

74

I-IV

Synvisc-One®

60 mg/6 mL

(6000 kDa)

VS

PRP 6 ml

1

VAS

HHS

WOMAC

OARSI criteria

T0: baseline

T1: 1 week

T2: 1 month

T3:12 months

Both groups showed improvements in VAS score at each follow-up.

HA group showed a significative HHS score at T3

Brander et al. 2019 [29]

HA (182)

SS (175)

357

III

Hylan G-F 20®

(6000 kDa)

48 mg/6 ml

VS

Saline solution 6ml

1

WOMAC PTGA

T0: baseline

T1: 4 weeks

T2: 8 weeks

T3: 16 weeks

T4: 26weeks

Significative improvements in both groups for all outcomes measures up to T4.

Clementi et al. 2018 [30]

UHMW-HA (23)

MMW-HA (27)

50

III

Fermathron S®, UHMW-HA

69mg/3,0 ml

1

Lequense index

VAS

WOMAC

T0: baseline

T1: 1 month

T2: 3 months

T3: 6 months

T4: 12months

No significant difference in the clinical outcomes between groups until T4.

Hyalubrix® 60, MMW-HA

(3200 kDa)

2

Doria et al. 2017 [31]

HA (40)

PRP (40)

80

I-II

Hyalubrix® 15 mg/ml

(3200 kDa)

VS

PRP 5 ml

3

1/W

WOMAC

VAS

HHS

T0: baseline

T1: 6 months

T2:12 months

PRP did not offer significantly better results compared with HA

Dallari et al. 2016 [32]

PRP(44)

PRP+HA (31)

HA(36)

111

I-IV

PRP 5 ml

VS

Hyalubrix® HA 30 mg/2 mL

(3200 kDa)

3

1/W

VAS

HHS

WOMAC

T0: baseline

T1: 2 months

T2: 6 months

T3: 12 months

At all follow-ups PRP group had the lowest VAS scores, compared with HA and PRP+HA groups

The WOMAC score of the PRP group was significantly better at T1 and T2, but not at T3.

Di Sante et al. 2016 [33]

HA(22)

PRP (21)

41

II-III

Hyaluronic acid

30 mg/2 ml,

(1000-2900 kDa)

VS

PRP 3 ml

3

1/W

VAS

WOMAC

T0: baseline

T1: 4 weeks

T2: 16 weeks

The functional WOMAC and VAS score in the HA were better at T2 than PRP.

PRP presents significant improvement in VAS at T1

Battaglia et al. 2013 [1]

PRP (50)

HA (50)

100

II-IV

PRP 5 ml

VS

Hyalubrix®30 mg/2 ml HMW-HA

(1500 kD)

3

1/ 2 W

HHS

VAS

T0: baseline

T1: 1 month

T2: 3 months

T3:12 months

PRP showed improvement in HHS and VAS as HA until T3

Atchia et al. 2011 [34]

HA (19)

SS (19)

CS (19)

CTL (20)

77

Croft

I-IV

Durolane 3 ml/60 mg ( 90.000 KDa)

VS

SS 3 ml

VS

Methylprednisolone acetate

3 ml/120 mg

1

WOMAC

NRS

T0: baseline

T1: 1 week

T2: 4 weeks

T3:8 weeks

Significant improvement in NRS and WOMAC until T3 in CS group

Young et al. 2011 [35]

CS 55

CS + sw: 55

110

 

Triamcinolone acetonide 40 mg

+

Bupivicaine 2 ml

VS

Triamcinolone acetonide 40 mg

+

Bupivicaine 2 ml

+

Sterile water 6 ml

1

WOMAC

Oxford pain chart

T0: baseline

T1: 3 months

No differences between groups

  1. K-L Kellgren-Lawrence score, W week, CS corticosteroids, KET ketorolac, HOOS Hip Osteoarthritis Outcome Scores, VAS Visual Analogic Scale; PROMIS Global Health Scores, HA hyaluronic acid, LMW-HA low molecular weight hyaluronic acid, LP-PRP leukocyte-poor platelet-rich plasma, WOMAC Western Ontario and Mc master University osteoarthritis index, ROM range of motion, PRP platelet-rich plasma, HHS Harris Hip Score, OARSI osteoarthritis research society international, SS saline solution, PTGA Patient Global Self-Assessment, UHMW-HA ultra-high molecular weight hyaluronic acid, MMW-HA medium molecular weight hyaluronic acid, HMW-HA high molecular weight hyaluronic acid, CTL control, NRS numeric rating scale, sw steril water