<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1025-0255</journal-id>
<journal-title><![CDATA[Revista Archivo Médico de Camagüey]]></journal-title>
<abbrev-journal-title><![CDATA[AMC]]></abbrev-journal-title>
<issn>1025-0255</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de Camagüey]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1025-02552013000500011</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Plasma rico en plaquetas en pacientes con gonartrosis]]></article-title>
<article-title xml:lang="en"><![CDATA[Plasma rich in platelets in patients with gonarthrosis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez López]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega González]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Lorenzo]]></surname>
<given-names><![CDATA[Yenima]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arias Sifontes]]></surname>
<given-names><![CDATA[Joanka]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz de Villa Suárez]]></surname>
<given-names><![CDATA[Abel]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital Provincial Manuel Ascunce Domenech  ]]></institution>
<addr-line><![CDATA[Camagüey ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2013</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2013</year>
</pub-date>
<volume>17</volume>
<numero>5</numero>
<fpage>613</fpage>
<lpage>622</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1025-02552013000500011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1025-02552013000500011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1025-02552013000500011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Fundamento: la aplicación del plasma rico en plaquetas se ha convertido en una modalidad de tratamiento para pacientes con gonartrosis, tanto de forma aislada como en combinación con otros procedimientos. Objetivo: actualizar al personal médico sobre aspectos esenciales relacionados con la aplicación del plasma rico en plaquetas en pacientes con gonartrosis. Método: se realizó una revisión bibliográfica de un total de 300 artículos originales publicados en Pubmed, Hinari y Medline, mediante el localizador de información Endnote, de ellos se utilizaron 44 citas seleccionadas para realizar la revisión, todas ellas de los últimos tres años. Desarrollo: se discutieron aspectos relacionados con la aplicación del plasma rico en plaquetas, los factores de crecimiento presentes en el mismo y las funciones específicas de cada uno. Se muestran los resultados de las principales investigaciones hasta la fecha, así como el tiempo de seguimiento y las escalas utilizadas por estos autores para expresar sus resultados. El último acápite aborda la relación entre la aplicación de plasma rico en plaquetas y la gonartrosis. Conclusiones: el cartílago articular hialino de la rodilla es un tejido avascular, aneural y alinfático con escasas posibilidades de cicatrización por sí mismo, debido a su escasa población celular. La aplicación del PRP ayuda en la reparación del daño de este tejido, en especial en los estadios más incipientes de la enfermedad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Background: the application of plasma rich in platelets has become a method of treatment for patients with gonarthrosis, whether as an isolated mode or in combination with other procedures. Objective: to bring the medical staff up to date about essential aspects related to the application of plasma rich in platelets in patients with gonarthrosis. Method: a bibliographic review of a total of 300 articles published in PubMed, Hinari, and Medline was made through the information localizator EndNote; 44 quotes selected for making the review, all from the last three years, were used. Development: aspects related to the application of plasma rich in platelets, to the growth factors present in it and to the specific functions of each are discussed. The results of the main investigations conducted till the present date, as well as the monitoring time and the scales used by these authors to express their results are shown. The last section deals with the relation between the applications of plasma rich in platelets and gonarthrosis. Conclusions: the hyaline articular cartilage of the knee is an avascular, aneural, and alymphatic tissue with small possibilities of cicatrizing by itself due to the scarcely cellular population. The application of plasma rich in platelets helps with the reparation of damage in this tissue, especially in the most incipient stages of the disease.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ARTROSCOPIA]]></kwd>
<kwd lng="es"><![CDATA[OSTEOTOMÍA]]></kwd>
<kwd lng="es"><![CDATA[OSTEOARTRITIS]]></kwd>
<kwd lng="es"><![CDATA[TRAUMATISMOS DE LA RODILLA]]></kwd>
<kwd lng="es"><![CDATA[ADULTO]]></kwd>
<kwd lng="es"><![CDATA[ESTUDIOS DE CASOS]]></kwd>
<kwd lng="en"><![CDATA[ARTHROSCOPY]]></kwd>
<kwd lng="en"><![CDATA[OSTEOTOMY]]></kwd>
<kwd lng="en"><![CDATA[OSTEOARTHRITIS]]></kwd>
<kwd lng="en"><![CDATA[KNEE INJURIES]]></kwd>
<kwd lng="en"><![CDATA[ADULT]]></kwd>
<kwd lng="en"><![CDATA[CASE STUDIES]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>ART&Iacute;CULO  DE REVISI&Oacute;N </b></font></p>    <p align="right">&nbsp;</p>    <p align="justify"><font size="4" face="Verdana, Arial, Helvetica, sans-serif"><b>Plasma  rico en plaquetas en pacientes con gonartrosis</b></font></p>    <p align="justify">&nbsp;</p>    <p><font size="3"><b><font face="Verdana, Arial, Helvetica, sans-serif">Plasma  rich in platelets in patients with gonarthrosis</font></b></font></p>    <p align="justify">&nbsp;</p>    <p align="justify">&nbsp;</p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Dr.  Alejandro &Aacute;lvarez L&oacute;pez; Dr. Carlos Ortega Gonz&aacute;lez; Dra.  Yenima Garc&iacute;a Lorenzo; Dra. Joanka Arias Sifontes; Dr. Abel Ruiz de Villa  Su&aacute;rez</b></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Hospital  Provincial Manuel Ascunce Domenech. Camag&uuml;ey. Cuba. </font></p>    <p align="justify">&nbsp;</p>    ]]></body>
<body><![CDATA[<p align="justify">&nbsp;</p><hr>      <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>RESUMEN</b></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Fundamento:  </b>la aplicaci&oacute;n del plasma rico en plaquetas se ha convertido en una  modalidad de tratamiento para pacientes con gonartrosis, tanto de forma aislada  como en combinaci&oacute;n con otros procedimientos.     <br> <b>Objetivo: </b>actualizar  al personal m&eacute;dico sobre aspectos esenciales relacionados con la aplicaci&oacute;n  del plasma rico en plaquetas en pacientes con gonartrosis.     <br> <b>M&eacute;todo:</b>  se realiz&oacute; una revisi&oacute;n bibliogr&aacute;fica de un total de 300  art&iacute;culos originales publicados en Pubmed, Hinari y Medline, mediante el  localizador de informaci&oacute;n Endnote, de ellos se utilizaron 44 citas seleccionadas  para realizar la revisi&oacute;n, todas ellas de los &uacute;ltimos tres a&ntilde;os.      <br> <b>Desarrollo: </b>se discutieron aspectos relacionados con la aplicaci&oacute;n  del plasma rico en plaquetas, los factores de crecimiento presentes en el mismo  y las funciones espec&iacute;ficas de cada uno. Se muestran los resultados de  las principales investigaciones hasta la fecha, as&iacute; como el tiempo de seguimiento  y las escalas utilizadas por estos autores para expresar sus resultados. El &uacute;ltimo  ac&aacute;pite aborda la relaci&oacute;n entre la aplicaci&oacute;n de plasma  rico en plaquetas y la gonartrosis.     <br> <b>Conclusiones:</b> el cart&iacute;lago  articular hialino de la rodilla es un tejido avascular, aneural y alinf&aacute;tico  con escasas posibilidades de cicatrizaci&oacute;n por s&iacute; mismo, debido  a su escasa poblaci&oacute;n celular. La aplicaci&oacute;n del PRP ayuda en la  reparaci&oacute;n del da&ntilde;o de este tejido, en especial en los estadios  m&aacute;s incipientes de la enfermedad. </font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>DeCS:  </b>ARTROSCOPIA; OSTEOTOM&Iacute;A; OSTEOARTRITIS; TRAUMATISMOS DE LA RODILLA;  ADULTO; ESTUDIOS DE CASOS. </font></p><hr>     <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>ABSTRACT</b></font></p>    <p align="justify"><font face="Verdana, Arial, Helvetica, sans-serif"><b><font size="2">Background:  </font></b><font size="2">the application of plasma rich in platelets has become  a method of treatment for patients with gonarthrosis, whether as an isolated mode  or in combination with other procedures.     ]]></body>
<body><![CDATA[<br> <b>Objective: </b>to bring the medical  staff up to date about essential aspects related to the application of plasma  rich in platelets in patients with gonarthrosis.     <br> <b>Method: </b>a bibliographic  review of a total of 300 articles published in PubMed, Hinari, and Medline was  made through the information localizator EndNote; 44 quotes selected for making  the review, all from the last three years, were used.     <br> <b>Development: </b>aspects  related to the application of plasma rich in platelets, to the growth factors  present in it and to the specific functions of each are discussed. The results  of the main investigations conducted till the present date, as well as the monitoring  time and the scales used by these authors to express their results are shown.  The last section deals with the relation between the applications of plasma rich  in platelets and gonarthrosis.    <br> <b>Conclusions: </b>the hyaline articular cartilage  of the knee is an avascular, aneural, and alymphatic tissue with small possibilities  of cicatrizing by itself due to the scarcely cellular population. The application  of plasma rich in platelets helps with the reparation of damage in this tissue,  especially in the most incipient stages of the disease.</font></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>DECS:</b>  ARTHROSCOPY; OSTEOTOMY; OSTEOARTHRITIS; KNEE INJURIES; ADULT; CASE STUDIES. &nbsp;  </font></p><hr>     <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>&nbsp;</b></font></p>    <p align="justify">&nbsp;</p>    <p align="justify"><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>INTRODUCCI&Oacute;N</b></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">El  plasma rico en plaquetas (PRP) es un concentrado proveniente de la sangre aut&oacute;loga  del paciente. La concentraci&oacute;n de los factores de crecimiento de este compuesto  son de tres a cinco veces m&aacute;s numerosos que en el plasma normal, lo que  ayuda a la cicatrizaci&oacute;n de los tejidos.<sup>1-3</sup></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La  aplicaci&oacute;n del PRP es reportado por varias especialidades como: Dermatolog&iacute;a,  Cirug&iacute;a Pl&aacute;stica, Estomatolog&iacute;a, Otorrinolaringolog&iacute;a,  Urolog&iacute;a, Oftalmolog&iacute;a y Neurocirug&iacute;a. <sup>4-6</sup></font></p>    ]]></body>
<body><![CDATA[<p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">En  relaci&oacute;n a la especialidad de Ortopedia, el PRP es utilizado en pacientes  con lesi&oacute;n del ligamento colateral medial de la rodilla, afecciones cr&oacute;nicas  de los tendones (tendinitis del manguito rotador, epicondilitis del codo, tendinitis  del Aquiles), fascitis plantar; ruptura muscular aguda y retardos de la consolidaci&oacute;n  y seudoartrosis; as&iacute; como en pacientes con condromalacia y gonartrosis.  <sup>7,8</sup></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La  aplicaci&oacute;n de PRP puede ser llevado a cabo de forma ambulatoria y es obtenido  de la propia sangre del enfermo. La aplicaci&oacute;n intrarticular del PRP en  pacientes con gonartrosis constituye una alternativa m&aacute;s, disponible para  el tratamiento de esta enfermedad. <sup>9-11</sup></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La  artrosis es una de las enfermedades cr&oacute;nicas que afectan con mayor frecuencia  al ser humano. La presencia de pacientes con gonartrosis primaria es cada vez  mayor debido al envejecimiento de la poblaci&oacute;n, aparici&oacute;n de la  enfermedad en edades m&aacute;s tempranas de lo usual y la necesidad de los pacientes  afectados de tener una mayor capacidad funcional. <sup>12,13</sup></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Debido  a la gran cantidad de pacientes afectados por la gonartrosis, los autores de esta  revisi&oacute;n tienen como prop&oacute;sito actualizar al personal m&eacute;dico,  sobre aspectos esenciales relacionados con la aplicaci&oacute;n del PRP en pacientes  con esta entidad. </font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>&nbsp;</b></font></p>    <p align="justify"><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>M&Eacute;TODOS</b></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Se  realiz&oacute; una revisi&oacute;n bibliogr&aacute;fica de un total de 300 art&iacute;culos  originales publicados en Pubmed, Hinari y Medline mediante el localizador de informaci&oacute;n  Endnote, de ellos se utilizaron 44 citas seleccionadas para realizar la revisi&oacute;n,  todas ellas de los &uacute;ltimos tres a&ntilde;os. </font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>&nbsp;</b></font></p>    <p align="justify"><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>DESARROLLO</b></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Las  plaquetas constituyen las primeras c&eacute;lulas en arribar al tejido da&ntilde;ado  y son muy activas en la fase temprana de la inflamaci&oacute;n del proceso de  cicatrizaci&oacute;n. 14-16 Estas c&eacute;lulas juegan un importante papel en  la homeostasis, a trav&eacute;s de su adherencia a la membrana celular se favorece  la agregaci&oacute;n, formaci&oacute;n del coagulo y liberaci&oacute;n de sustancias,  que favorecen la reparaci&oacute;n de los tejidos por su acci&oacute;n sobre los  vasos sangu&iacute;neos y c&eacute;lulas que participan en la angiog&eacute;nesis  e inflamaci&oacute;n. <sup>17-19</sup></font></p>    ]]></body>
<body><![CDATA[<p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">De  las plaquetas se derivan diversos factores de crecimiento con funciones muy espec&iacute;ficas.  <sup>20,21</sup> (<a href="/img/revistas/amc/v17n5/t01110513,jpg">Tabla 1</a>)  </font></p>    
<p align="justify">&nbsp;</p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Resultados  de investigaciones</b></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">    <br>  La inyecci&oacute;n intrarticular de PRP aut&oacute;logo, se ha convertido en  uno de los m&eacute;todos de tratamiento m&aacute;s empleados en la actualidad  para pacientes con gonartrosis. Sampson S, et al, <sup>22</sup> en una investigaci&oacute;n  que involucr&oacute; a 13 pacientes con gonartrosis primaria y secundaria obtuvo  mejor&iacute;a del dolor y otros s&iacute;ntomas sin la presencia de reacciones  adversas, estos autores aplicaron la escala de KOOS (<i>Knee Injury and Osteoarthritis  Outcome Score</i>). </font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Wang-Saegusa  A, et al, <sup>23</sup> &nbsp;mostraron en su investigaci&oacute;n mejor&iacute;a  de los 261 pacientes con gonartrosis mediante la aplicaci&oacute;n de PRP. Los  resultados de los autores de la investigaci&oacute;n estuvieron basados en la  Escala Visual Anal&oacute;gica (EVA) de 10, SF (<i>Short Form</i> 36) y de WOMAC  (<i>Western Ontario and McMaster University</i>). Los pacientes fueron seguidos  por un periodo de seis meses y se les aplic&oacute; tres inyecciones de PRP con  un intervalo de dos semanas. </font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Seg&uacute;n  Filardo G, et al, <sup>24</sup> los resultados en 90 pacientes con el diagn&oacute;stico  de enfermedad cr&oacute;nica de la rodilla y la aplicaci&oacute;n de tres inyecciones  de PRP fueron favorables, estos autores utilizaron las escalas IKDC (<i>Intermational  Knee Documentation Comitee</i>) y EVA, los pacientes llevaron un seguimiento de  dos a&ntilde;os.&nbsp;     <br> Napolitano M <sup>25</sup> y colaboradores reportaron  resultados favorables mediante la aplicaci&oacute;n de PRP en 27 pacientes con  el diagn&oacute;stico de gonartrosis, un periodo de seguimiento de seis meses,  los autores utilizaron las Escala Num&eacute;rica de Dolor (END) y WOMAC. (<a href="#tabla2">Tabla  2</a>) </font></p>    <p align="center"><img src="/img/revistas/amc/v17n5/t02110513,jpg" alt="tabla 2" width="587" height="184" longdesc="../img/t02110513,jpg"><a name="tabla2"></a></p>    
<p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Kon  E, et al,<sup>26</sup> realizaron un estudio en 100 pacientes con gonartrosis,  divididos en tres grupos, a uno se le aplic&oacute; PRP, a otro &aacute;cido hialur&oacute;nico  a baja concentraci&oacute;n y al &uacute;ltimo grupo, se le administr&oacute;  &aacute;cido hialur&oacute;nico a alta concentraci&oacute;n, el resultado de esta  investigaci&oacute;n mostr&oacute; que los pacientes a los que se les aplic&oacute;  PRP obtuvieron m&aacute;s alivio del dolor y mejor funci&oacute;n articular. </font></p>    ]]></body>
<body><![CDATA[<p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>PRP  y gonartrosis</b></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">El  cart&iacute;lago articular es un tejido avascular, aneural y alinf&aacute;tico,  expuesto a m&uacute;ltiples macro y microtraumas, que provocan da&ntilde;o en  su estructura y por lo general progresi&oacute;n hacia la artrosis. <sup>27,28</sup>  Por otra parte, este tejido tiene un potencial de cicatrizaci&oacute;n muy limitado,  ya que los condrocitos solo representan el 2 %. <sup>29,30</sup></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Los  factores de crecimiento presentes en el PRP desempe&ntilde;an un papel muy importante  en la modulaci&oacute;n de la expresi&oacute;n fenot&iacute;pica de los condrocitos,  estos factores de crecimiento incrementan la proliferaci&oacute;n de condrocitos  y la s&iacute;ntesis de proteoglicanos.     <br> Por otra parte, el PRP contiene mediadores  catab&oacute;licos que reducen la inflamaci&oacute;n dentro de la articulaci&oacute;n  y favorece la producci&oacute;n de &aacute;cido hialur&oacute;nico. <sup>31-33</sup></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La  combinaci&oacute;n del efecto anab&oacute;lico del PRP y la inhibici&oacute;n  del catabolismo inflamatorio contribuyen a la reparaci&oacute;n del cart&iacute;lago  articular y reduce los resultados desfavorables despu&eacute;s de la cirug&iacute;a  como por ejemplo la microfractura. <sup>34-36</sup></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La  artrosis es la forma m&aacute;s frecuente de artritis, la prevalencia de esta  enfermedad es del 30 %, en especial en pacientes mayores de 75 a&ntilde;os. El  incremento en la frecuencia de pacientes con artrosis no solo est&aacute; relacionado  con el aumento de la edad; existen otros factores como: el aumento de laxitud  de los ligamentos que incrementa con la edad, la debilidad de las estructuras  musculares y periarticulares, as&iacute; como la reducci&oacute;n por parte de  los condrocitos de la producci&oacute;n en la matriz y la disminuci&oacute;n en  la respuesta a los factores de crecimiento por parte de estas c&eacute;lulas.  Existen otros factores que influyen en el aumento de la artrosis como: g&eacute;nero,  predisposici&oacute;n gen&eacute;tica, obesidad, aumento de la densidad mineral  &oacute;sea y trauma. <sup>37-39</sup></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Aunque  la introducci&oacute;n del PRP en la artrosis es de pocos a&ntilde;os de evoluci&oacute;n,  sus resultados son alentadores, en especial para enfermos en estadios tempranos  de la enfermedad. <sup>40-42</sup></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">En  la actualidad, la aplicaci&oacute;n del PRP es combinado con la realizaci&oacute;n  de procedimientos quir&uacute;rgicos por v&iacute;a artrosc&oacute;pica, lo que  ayuda a la reparaci&oacute;n del tejido cartilaginosos da&ntilde;ado, al compararlo  con otros m&eacute;todos. <sup>35,43,44</sup></font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>&nbsp;</b></font></p>    <p align="justify"><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>CONCLUSIONES</b></font></p>    ]]></body>
<body><![CDATA[<p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">El  cart&iacute;lago articular hialino de la rodilla es un tejido avascular, aneural  y alinf&aacute;tico con escasas posibilidades cicatrizaci&oacute;n por s&iacute;  mismo, debido a su escasa poblaci&oacute;n celular. La aplicaci&oacute;n del PRP  ayuda en la reparaci&oacute;n del da&ntilde;o de este tejido, en especial en los  estadios m&aacute;s incipientes de la enfermedad. </font></p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>&nbsp;</b></font></p>    <p align="justify"><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>REFERENCIAS  BIBLIOGR&Aacute;FICAS</b></font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">1.  Fortier LA, Barker JU, Strauss EJ, McCarrel TM, Cole BJ. The role of growth factors  in cartilage repair. <i>Clin Orthop Realt Res</i>. 2011 Oct; 469(10): 2706-15.    </font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">2.  Lee KS. Platelet-rich plasma injection. <i>Semin Musculoskelet Radiol</i>. 2013  Feb; 17(1):91-8.    </font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">3.  Patel S, Dhillon MS, Aggarwal S, Marwaha N, Jain A. Treatment with platelet-rich  plasma is more effective than placebo for knee osteoarthritis: a prospective,  double-blind, randomized trial. <i>Am J Sports Med</i>. 2013 Feb; 41(2):356-64.      </font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">4. Bernstein  J, Wolf JM. Autologous blood and platelet-rich plasma injections for enthesopathy  of the extensor carpi radialis brevis origin. <i>J Hand Surg Am</i>. 2013 May;  38(5):992-4.    </font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">5.  Arnoczky SP, Caballero O, Yeni YN. On the Horizon from the ORS. Platelet rich  plasma to augment connective tissue healing: making sense of it all. <i>J Am Acad  Orthop Surg</i>. 2010 Jul; 18(7): 445-8.     </font></p>    <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">6.  Gross CE, Hsu AR, Chahal J, Holmes GB Jr. Injectable treatments for noninsertional  achilles tendinosis: a systematic review. <i>Foot Ankle Int</i>. 2013 May; 34(5):619-28.</font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">7.  Kaux JF, Crielaard JM. Platelet-rich plasma application in the management of chronic  tendinopathies. <i>Acta Orthop Belg</i>. 2013 Feb; 79(1):10-5.    </font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">8.  Martinelli N, Marinozzi A, Carn&igrave; S, Trovato U, Bianchi A, Denaro V. Platelet-rich  plasma injections for chronic plantar fascitis. <i>Int Orthop</i>. 2013 May; 37(5):839-42.    </font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">9.  Smyth NA, Murawski CD, Haleem AM, Hannon CP, Elliott IS, Kennedy JG. Establishing  proof of concept: platelet rich plasma and bone marrow aspirate concentrate may  improve cartilage repair following surgical treatment for osteochondral lesions  of the talus. <i>World J Orthop</i>. 2012 Jul; 3(7):101-8.     </font></p>    ]]></body>
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<body><![CDATA[<!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">36.  Woodell-May J, Matuska A, Oyster M, Welch Z, O'Shaughnessey K, Hoeppner J. Autologous  protein solution inhibits MMP-13 production by IL-1&szlig; and TNFa-stimulated  human articular chondrocytes. <i>J Orthop Res</i>. 2011 Sep; 29(9):1320-6.    </font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">37.  Dhillon M, Patel S, Bali K. Platelet-rich plasma intra-articular knee injections  for the treatment of degenerative cartilage lesions and osteoarthritis. <i>Knee  Surg Sports Traumatol Arthrosc</i>. 2011 May; 19(5):863-4.     </font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">38.  Sun Y, Feng Y, Zhang CQ, Chen SB, Cheng XG. The regenerative effect of platelet-rich  plasma on healing in large osteochondral defects<i>. Int Orthop</i>. 2010 Apr;  34(4):589-97.    </font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">39.  Cole BJ, Seroyer ST, Filardo G, Bajaj S, Fortier LA. Platelet rich plasma: Where  are we now and where are we going? <i>Sport Health</i>. 2010 May- Jun; 2(3): 203-10.    </font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">40.  Farr J, Cole B, Dhawan A, Kercher J, Sherman S. Clinical cartilage restoration.  <i>Clin Orthop Relat Res</i>. 2011 Oct; 469 (10): 2696-2705.     </font></p>    ]]></body>
<body><![CDATA[<!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">41.  Tuan RS, Chen AF, Klatt BA. Cartilage regeneration. <i>J Am Acad Orthop Surg</i>.  2013 may; 21(5): 303-11.     </font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">42.  Cerza F, Carn&igrave; S, Carcangiu A, Di Vavo I, Schiavilla V, Pecora A, et al.  Comparison between hyaluronic acid and platelet-rich plasma, intra-articular infiltration  in the treatment of gonarthrosis. <i>Am J Sports Med</i>. 2012 Dec; 40(12):2822-7.      </font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">43.  Ahadi T, Abtahi M. Platelet-rich plasma versus hyaluronic Acid. <i>Arthroscopy</i>.  2012 Nov; 28(11):1585.     </font></p>    <!-- ref --><p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">44.  Spakov&aacute; T, Rosocha J, Lacko M, Harvanov&aacute; D, Gharaibeh A. Treatment  of knee joint osteoarthritis with autologous platelet-rich plasma in comparison  with hyaluronic acid. <i>Am J Phys Med Rehabil</i>. 2012 May; 91(5):411-7.    </font></p>    <p align="justify">&nbsp;</p>    <p align="justify">&nbsp;</p>    ]]></body>
<body><![CDATA[<p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Recibido:  24 de junio de 2013    <br> Aprobado: 17 de septiembre de 2013</font></p>    <p align="justify">&nbsp;</p>    <p align="justify">&nbsp;</p>    <p align="justify"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><i>Dr.  Alejandro &Aacute;lvarez L&oacute;pez.</i> Especialista de II Grado en Ortopedia  y Traumatolog&iacute;a. Investigador agregado. Profesor Auxiliar. Camag&uuml;ey.  Cuba. Email:<a href="mailto:yenima@finlay.cmw.sld.cu"> yenima@finlay.cmw.sld.cu</a></font></p>      ]]></body><back>
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