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1.
Actas dermo-sifiliogr. (Ed. impr.) ; 111(7): 574-578, sept. 2020. ilus, tab
Artigo em Espanhol | IBECS | ID: ibc-201799

RESUMO

ANTECEDENTES Y OBJETIVOS: El plasma rico en plaquetas es una fuente de factores de crecimiento utilizada recientemente en el tratamiento de la alopecia androgenética (AGA); sin embargo, la eficacia de este tratamiento sigue siendo controversial. Los objetivos del presente estudio son evaluar la eficacia del plasma rico en plaquetas en el incremento de la densidad capilar en varones con AGA, así como, determinar si existe una correlación entre la respuesta favorable a dicho tratamiento, con la edad del paciente, con el tipo de AGA y con el tiempo de evolución de esta. MATERIALES Y MÉTODOS: Se diseñó un estudio de «antes/después» y se incluyeron 30 varones. Estos pacientes no habían recibido ningún tratamiento para la AGA al menos en los 3 meses previos al estudio. Cada paciente recibió 3 inyecciones en intervalos de un mes. La densidad capilar de cada sujeto se midió manualmente mediante un dermatoscopio antes de la primera intervención y también a los 2 y 6 meses. Para determinar la eficacia del tratamiento se realizó un análisis comparativo. RESULTADOS: La densidad capilar se incrementó en un 19,17% después de la intervención (172,46 ± 59,04 cabellos/cm2 antes del tratamiento a 205,53 ± 68,20 cabellos/cm2 después de los 6 meses); los efectos secundarios fueron mínimos en el seguimiento a corto plazo. El patrón de alopecia de tipo vertex III fue el patrón que presentó una menor respuesta. No se objetivó ninguna correlación entre la respuesta favorable al tratamiento y la edad del paciente o la duración de la AGA. CONCLUSIÓN: Las inyecciones de plasma rico en plaquetas en pacientes varones con AGA tendrán un efecto favorable sobre la densidad capilar


BACKGROUND AND AIMS: Platelet rich plasma is a source of growth factors recently introduced to treat androgenetic alopecia (AGA) with conflicting results. Our aims are to assess the efficacy of platelet rich plasma in increasing hair density in males with AGA, and to investigate a correlation between positive response and each of patient's age and type and duration of AGA. MATERIALS & METHODS: This before and after study included 30 males with no history of hair treatments for at least 3 months prior to our study. Each patient received 3 injections at one-month intervals. Scalp hair density of each subject was measured manually by a dermatoscope before and following 2 and 6 months of the first intervention. Data were compared to evaluate efficacy. RESULTS: Hair density was increased by 19.17% following our intervention (172.46 ± 59.04 hairs/cm2 before treatment to 205.53 ± 68.20 hairs/cm2 after 6 months) with minimal short-term side effects. Type III vertex was the least responsive pattern and no correlation was observed between positive response and either patient's age or duration of AGA. CONCLUSION: Platelet rich plasma injections for men with AGA has a positive effect on hair density


Assuntos
Humanos , Masculino , Adolescente , Adulto Jovem , Adulto , Plasma Rico em Plaquetas , Alopecia/terapia , Resultado do Tratamento , Injeções Intradérmicas , Estudos de Coortes
2.
Actas Dermosifiliogr (Engl Ed) ; 111(7): 574-578, 2020 Sep.
Artigo em Inglês, Espanhol | MEDLINE | ID: mdl-32401718

RESUMO

BACKGROUND AND AIMS: Platelet rich plasma is a source of growth factors recently introduced to treat androgenetic alopecia (AGA) with conflicting results. Our aims are to assess the efficacy of platelet rich plasma in increasing hair density in males with AGA, and to investigate a correlation between positive response and each of patient's age and type and duration of AGA. MATERIALS & METHODS: This before and after study included 30 males with no history of hair treatments for at least 3 months prior to our study. Each patient received 3 injections at one-month intervals. Scalp hair density of each subject was measured manually by a dermatoscope before and following 2 and 6 months of the first intervention. Data were compared to evaluate efficacy. RESULTS: Hair density was increased by 19.17% following our intervention (172.46±59.04 hairs/cm2 before treatment to 205.53±68.20 hairs/cm2 after 6 months) with minimal short-term side effects. Type III vertex was the least responsive pattern and no correlation was observed between positive response and either patient's age or duration of AGA. CONCLUSION: Platelet rich plasma injections for men with AGA has a positive effect on hair density.


Assuntos
Alopecia , Plasma Rico em Plaquetas , Alopecia/tratamento farmacológico , Cabelo , Humanos , Injeções Intradérmicas , Masculino , Couro Cabeludo
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