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A Meta-analysis On Evidence Of Platelet-rich Plasma for Androgenetic Alopecia.

ABSTRACT: Platelet-rich plasma (PRP) treatment has gained popularity among different surgical specialities for improving various conditions. Androgenetic alopecia (AGA) is a common disorder, with possible psychosocial implications. Plastic surgeons have increased the practice of PRP injections for hair restoration. A meta-analysis on this topic was performed comparing local injection of PRP versus control to investigate the efficacy of local PRP injections in AGA.We performed a systematic literature search. The increase in number of hairs was the primary outcome. Secondary outcomes were the increase of hair thickness and the percentage increase in hair number and thickness.Seven studies involving 194 patients were retrieved and included in the present analysis. A significantly locally increased hair number per cm2 was observed after PRP injections versus control (mean difference [MD] 14.38, 95% confidence interval [CI] 6.38-22.38, P < 0.001). Similarly, a significantly increased hair thickness cross-section per 10-4 mm2 (MD 0.22, 95% CI 0.07-0.38, P = 0.005) favoring PRP group. The pooled results did not show a significant percentage increase in hair number (MD 18.79%, 95% CI - 8.50-46.08, P = 0.18), neither hair thickness (MD 32.63%, 95% CI - 16.23-81.48, P = 0.19) among patients treated with PRP.Local injection of PRP for androgenic alopecia might be associated with an increased number of hairs in the treated areas with minimal morbidity, but there is clearly a lack of scientific evidence on this treatment modality. Further studies are needed to evaluate the efficacy of PRP for AGA.

SUBMITTER: Giordano S

PROVIDER: S-EPMC5803844 | biostudies-other | 2018 Jan-Feb

REPOSITORIES: biostudies-other

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A Meta-analysis On Evidence Of Platelet-rich Plasma for Androgenetic Alopecia.

Giordano Salvatore S Romeo Marco M di Summa Pietro P Salval Andre' A Lankinen Petteri P

International journal of trichology 20180101 1

<h4>Background</h4>Platelet-rich plasma (PRP) treatment has gained popularity among different surgical specialities for improving various conditions. Androgenetic alopecia (AGA) is a common disorder, with possible psychosocial implications. Plastic surgeons have increased the practice of PRP injections for hair restoration. A meta-analysis on this topic was performed comparing local injection of PRP versus control to investigate the efficacy of local PRP injections in AGA.<h4>Methods</h4>We perf ...[more]

PMID: 29440850

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Project description:BACKGROUND:This study aimed to evaluate the clinical efficacy of platelet-rich plasma (PRP) injection compared with hyaluronic acid (HA) injection for patients undergoing knee osteoarthritis. METHODS:We systematically searched electronic databases including PubMed, Embase, Web of Science, and the Cochrane Library on January 23, 2020 to identify relevant studies issued in English languages. The outcomes evaluating the efficacy of knee osteoarthritis (KOA) treatment were Western Ontario and McMaster Universities Arthritis Index (WOMAC) scores (WOMAC pain, function, stiffness, and total scores) at 1, 3, 6, and 12?months; International Knee Documentation Committee (IKDC) scores, Lequesne Index score, Visual Analog Scale (VAS) scores, EQ-VAS scores, and KOOS scores. The pooled data were analyzed by Stata 12.0. RESULTS:A total of 20 RCTs were enrolled in the present meta-analysis. The pooled results demonstrated that platelet-rich plasma (PRP) injection reduced pain more effectively than hyaluronic acid (HA) injection at 6-month and 12-month follow-up evaluated by WOMAC pain scores and VAS scores. EQ-VAS in the patients treated with PRP injection was lower than that in patients with HA injection at 12?months. Moreover, the patients with PRP injection had a better function recovery than those with HA injection at 1-month, 3-month, 6-month, and 12-month follow-up, as evaluated by WOMAC function scores. WOMAC total scores showed significant difference at 6-month and 12-month follow-up. The IKDC scores indicated PRP injection was significantly more effective than HA injection at 3?months and 6?months. However, the Lequesne Index scores, KOOS scores, and adverse events did not show any significant difference between groups. CONCLUSION:Intra-articular PRP injection appeared to be more efficacious than HA injection for the treatment of KOA in terms of short-term functional recovery. Moreover, PRP injection was superior to HA injection in terms of long-term pain relief and function improvement. In addition, PRP injection did not increase the risk of adverse events compared to HA injection.

Project description:BackgroundAndrogenetic alopecia (AGA) is the most common cause of hair loss in men with limited treatment options. Platelet-rich plasma (PRP) therapy is one of the newer treatment options in the management of AGA which has shown promising results.Aims and objectivesThis study was aimed at comparing the clinical efficacy of PRP therapy with minoxidil therapy.Materials and methodsIn the study, patients were randomized into two groups - Group A (given PRP therapy) and Group B (given minoxidil therapy). Both groups were followed up over a period of 6 months, and final analysis was done with the help of global photography, hair pull test, standardized hair growth questionnaire, patient satisfaction score; in addition, a comparison of platelet counts in PRP was done, to know that if a clinical correlation exists between platelet concentration and clinical improvement. A total of 40 patients clinically diagnosed with AGA were enrolled in the study with 20 patients in each group. Four patients from Group A (PRP) and six patients from Group B (minoxidil) could not complete the treatment for 6 months and were eventually excluded.ResultsAt the end of 6 months, 30 patients were evaluated to compare the efficacy of intradermal PRP and topical minoxidil therapy. On global photography, Group A (PRP) was found to have a comparatively better outcome than Group B (minoxidil). In hair pull test, hair growth questionnaire, and patient satisfaction score, Group A was found to be better than Group B. Mean platelet count at baseline was 3.07 ± 0.5 lac/mm, 3 while platelet count in final PRP prepared was 12.4 ± 1.7 lac/mm, and patients with a higher platelet count in PRP had a much better clinical improvement compared to patients with a low platelet count in PRP. Side effects with PRP therapy were minimal with better results which may improve the compliance of the patient.ConclusionPRP therapy can be a valuable alternative to topical minoxidil therapy in the treatment of AGA.

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A Meta-analysis On Evidence Of Platelet-rich Plasma for Androgenetic Alopecia.

Publications

A Meta-analysis On Evidence Of Platelet-rich Plasma for Androgenetic Alopecia.

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