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Table 2 Summary platelet-rich plasma preparation methods

From: Effects of intra-articular injection of platelet-rich plasma on the inflammatory process and histopathological characteristics of cartilage and synovium in animals with osteoarthritis: a systematic review with meta-analysis

Platelet-rich plasma preparation

Study

Preparation protocol

1st centrifugation

 

2nd centrifugation

 

Cell count

 

Supplementation

Authors

 

Time

Spin speed

 

Time

Spin speed

 

Platelets

Leukocytes (×106)

 

Anticoagulant

Activation

Ahmad et al.

Double centrifuge method

12 min

300 g

 

8 min

4000 rpm

 

N/A

N/A

 

N/A

10% calcium gluconate

Almasry et al.

Double centrifuge method

20 min

160 g

 

15 min

400 g

 

N/A

N/A

 

0.5 mL of 0.1 M sodium citrate

0.05 mL of 0.2 M calcium chloride

Arican et al.

Double centrifuge method

10 min

96 g

 

20 min

380 g

 

1,420,000/μL

1.09 s/μL

 

Sodium citrate

N/A

Asjid et al.

Double centrifuge method

10 min

500 g

 

10 min

2200 g

 

3 times greater than baseline

N/A

 

0.05 mL of 0.1 M sodium citrate

50 μL of 10% calcium

chloride

Chouhan et al.

Double centrifuge method

20 min

800 rpm

 

15 min

2200 rpm

 

≅ 3 times greater than baseline

Low (Unclear)

 

Acid citrate dextrose

N/A

Coskun et al.

Standard PRP kit

N/A

N/A

 

N/A

N/A

 

N/A

N/A

 

Sodium citrate

Bovine thrombin and calcium chloride

Gamal et al.

Double centrifuge method

8 min

1240 rpm

 

5 min

1240 rpm

 

N/A

N/A

 

Sodium citrate

N/A

Guner & Buyukbebeci

Double centrifuge method

10 min

5600 rpm

 

10 min

2400 rpm

 

N/A

N/A

 

EDTA

N/A

Hermeto et al.

Double centrifuge method

10 min

300 g

 

10 min

640 g

 

997.42 ± 48.01/ml

N/A

 

10% sodium citrate

0.05 mL 10% calcium gluconate

Jayaram et al.

Double centrifuge method

6 min

1500 rpm

 

15 min

3400 rpm

 

LP-PRP: 1.556 × 106

± 0.0216 × 106

LR-PRP: 2.760 × 106

± 0.0898 × 106

LP-PRP: 0.970 ± 0.0361

LR-PRP: 3.210 ± 0.6322

 

100 μL of citrate dextrose solution

N/A

Ji et al.

Unclear

15 min

2000 rpm

 

-

-

 

N/A

N/A

 

0.4 mL of citrate glucose

0.02 mL calcium chloride

Kanwat et al.

Double centrifuge method

20 min

800 rpm

 

15 min

2200 rpm

 

G1: 1,820,000/μL

G2: 1,963,000/μL

(≅ 3 times greater than the baseline)

N/A

 

Acid citrate dextrose

N/A

Kutuk et al.

Standard PRP kit

Unclear

Unclear

 

Unclear

Unclear

 

5.24 times greater than the baseline

N/A

 

2 mL of citrate dextrose

10% calcium chloride

Lu et al.

Double centrifuge method

10 min

1500 g

 

Unclear

Unclear

 

N/A

N/A

 

N/A

N/A

Parlak & Arican

Standard PRP kit

5 min

1700 g

 

Unclear

Unclear

 

4N/A8 times greater than the baseline

N/A

 

3 mL of acid citrate

N/A

Ragab et al.

Double centrifuge method

10 min

1000 rpm

 

10 min

2000 rpm

 

N/A

N/A

 

3.8% sodium citrate

50 μL 10%

calcium chloride

Wang et al.

Standard PRP kit

10 min

350 g

 

15 min

450 g

 

1330.1 × 103/mL

N/A

 

10 mL acid citrate dextrose

CaCl2

Wu et al.

Double centrifuge method

10 min

215 g

 

10 min

863 g

 

1958.33 ± 316.41 × 109/L

N/A

 

1 mL of 10% sodium citrate

N/A

Xin et al.

Double centrifuge method

10 min

150 g

 

10 min

1500 g

 

1:0 × 109–2:0 × 109/mL

N/A

 

Acid citrate dextrose

N/A

Yin et al.

Double centrifuge method

10 min

250 g

 

10 min

1000 g

 

1947.50 ± 297.71 × 106

56.92 ± 26.83

 

Acid citrate dextrose

N/A

Yun et al.

Double centrifuge method

10 min

1200 rpm

 

10 min

2500 rpm

 

> 1.0 × 106/μL

N/A

 

7 mL of acid citrate dextrose

N/A

  1. Note: N/A not available