April 2020 HSC Section 4 - Plastic and Reconstructive Problems

Aesth Plast Surg

Temporary pain and

Pain at the injection site

bleeding

NA

NA

No PRP Saline Four injections at intervals of 15 days/ 2 ml every time TrichoScan Using the methodology of Amable. Activated by Ca2 ? /1200 9 10 6 platelets/ l l NA

Complications

55 ml of whole blood, 1200 rpm 9 10 min. Not activated/NA 16 ml blood, 1200 rpm 9 8 min for

1st centrifugation, then 2400 rpm 9 4 min for

10 ml blood, 1200 rpm 9 15 min for

1st centrifugation, then 2000 rpm 9 10 min for 2nd centrifugation.

system, not activated./ 2.75 to 3.4X platelet concentration

Using the Angel PRP

Activated by calcium

gluconate before use/ NA

2nd centrifugation. Not activated/NA

Experimental method/ Injection dose Assessment method PRP preparation/platelet counts in 10 9 10 cm

Global photography, Hair pull test, Patient’s satisfaction scale, Standardized phototrichograms

microscopy, Digital image analysis

Photography, Cohen hair check system, Patient survey

TrichoScan software

Video-epiluminescence

intervals of 21 days/ 1-2 cc in 1 9 1 cm

intervals of 1 week/ NA

intervals of

1 month/NA

classification I–III Yes PRP Saline Four injections at

Norwood III– VI Yes PRP Saline Six injections at

Norwood II– IVa Yes PRP Saline Three injections at

classification II No PRP Saline One injection/10 ml

Control

group

Experimental group

Half

head

Norwood III

Patient

characteristics

Sample size

male/

female

CCT 44 (44/0) Hamilton–

RCT 30 (0/30) Ludwig

RCT 18 (18/0) Hamilton–

RCT 26 (0/26) Ludwig

Author Study type

CCT 26 (26/0) Hamilton–

Table 1 continued

Puig [ 11 ]

Tawfik [ 14 ]

Kachhawa [ 13 ]

Gentile [ 12 ]

Rodrigues [ 15 ]

NA not available

2017

2017

2017

2016

123

103