<?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>2306-4102</journal-id>
<journal-title><![CDATA[Acta ortopédica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Acta ortop. mex]]></abbrev-journal-title>
<issn>2306-4102</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Ortopedia y Traumatología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2306-41022021000600515</article-id>
<article-id pub-id-type="doi">10.35366/105704</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación funcional del manejo de rupturas masivas del manguito de los rotadores con el uso del balón subacromial]]></article-title>
<article-title xml:lang="en"><![CDATA[Functional evaluation of the management of massive rotator cuff ruptures with the use of the subacromial balloo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Antón-Díaz]]></surname>
<given-names><![CDATA[AF]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Carrillo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Mont-Landerreche]]></surname>
<given-names><![CDATA[JG]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trueba-Vasavilbaso]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Clara-Altamirano]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Domínguez]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Español  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Español  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Español  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>35</volume>
<numero>6</numero>
<fpage>515</fpage>
<lpage>520</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022021000600515&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022021000600515&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022021000600515&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  Las rupturas del manguito de los rotadores (MR) se presentan en más de 50% de los pacientes mayores de 60 años y pueden causar cambios en la biomecánica normal del hombro que pueden desencadenar una artropatía por desgarro del MR. Actualmente, no existe un consenso sobre el tratamiento para el desgarro masivo del MR.  Objetivo:  Evaluar los resultados clínicos y radiográficos de la colocación del balón subacromial en estas lesiones.  Material y métodos:  Estudio analítico, longitudinal y retrospectivo de 10 pacientes consecutivos tratados con el uso del balón subacromial. Se utilizaron escalas de Constant (CS) y ASES prequirúrgicas, a los seis y 12 meses de seguimiento postquirúrgico. Los resultados radiográficos fueron valorados por medio del intervalo acromio-humeral (IAH) en una radiografía anteroposterior (AP) verdadera de hombro.  Resultados:  La mejoría promedio en la CS fue de 41.7 ± 8.93 a los 12 meses de seguimiento, la escala de ASES mostró una mejoría promedio de 64.6 ± 4.9 a los 12 meses de seguimiento. El IAH prequirúrgico fue de 6.1 ± 1.10 y la media a los 12 meses de seguimiento fue de 7.1 ± 0.9. Se observó una mejoría clínica y radiográfica en todas las escalas; sin embargo, no se encontraron resultados estadísticamente significativos.  Conclusión:  El balón subacromial previene el ascenso de la cabeza humeral en los primeros 12 meses de colocado; suponemos que podría restaurar la cinemática glenohumeral normal mejorando movilidad y disminuyendo dolor.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Rotator cuff (MR) ruptures occur in more than 50% of patients over the age of 60, and can cause changes in normal shoulder biomechanics that can trigger rotator cuff tear arthropathy. There is currently no consensus on treatment for massive rotator cuff tears.  Objective:  To evaluate the clinical and radiographic outcomes of subacromial balloon placement in these lesions.  Material and methods:  Analytical, longitudinal and retrospective study of 10 consecutive patients treated with the use of the subacromial balloon. Constant (CS) and ASES scales were used preoperatively and at 6, 12 months of post-surgical follow-up. Radiographic results were assessed using the Acromio-humeral Interval (AHI) on a true AP shoulder X-ray.  Results:  The average improvement in CS was 41.7 ± 8.93 at 12 months of follow-up, the ASES scale showed an average improvement of 64.6 ± 4.9 at 12 months of follow-up. The presurgical AHI was 6.1 ± 1.10 and the mean at 12 months of follow-up was 7.1 ± 0.9. Clinical and radiographic improvement was observed at all scales, however no statistically significant results were found.  Conclusion:  The subacromial balloon prevents the ascent of the humeral head in the first 12 months of placement; we assume that it could restore normal glenohumeral kinematics by improving mobility and decreasing pain.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Espaciador subacromial]]></kwd>
<kwd lng="es"><![CDATA[desgarros masivos del manguito rotador]]></kwd>
<kwd lng="es"><![CDATA[tratamiento]]></kwd>
<kwd lng="en"><![CDATA[Subacromial balloon spacer]]></kwd>
<kwd lng="en"><![CDATA[massive rotator cuff tears]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cvetanovich]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
<name>
<surname><![CDATA[Waterman]]></surname>
<given-names><![CDATA[BR]]></given-names>
</name>
<name>
<surname><![CDATA[Verma]]></surname>
<given-names><![CDATA[NN]]></given-names>
</name>
<name>
<surname><![CDATA[Romeo]]></surname>
<given-names><![CDATA[AA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Management of the irreparable rotator cuff tear]]></article-title>
<source><![CDATA[J Am Acad Orthop Surg]]></source>
<year>2019</year>
<volume>27</volume>
<numero>24</numero>
<issue>24</issue>
<page-range>909-17</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Deranlot]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Herisson]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Nourissat]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Arthroscopic subacromial spacer implantation in patients with massive irreparable rotator cuff tears: clinical and radiographic results of 39 retrospectives cases]]></article-title>
<source><![CDATA[Arthroscopy]]></source>
<year>2017</year>
<volume>33</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1639-44</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dwyer]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Razmjou]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Henry]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Gosselin-Fournier]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Holtby]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Association between pre-operative magnetic resonance imaging and reparability of large and massive rotator cuff tears]]></article-title>
<source><![CDATA[Knee Surg Sports Traumatol Arthrosc]]></source>
<year>2015</year>
<volume>23</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>415-22</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Senekovic]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Poberaj]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Kovacic]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The biodegradable spacer as a novel treatment modality for massive rotator cuff tears: a prospective study with 5-year follow-up]]></article-title>
<source><![CDATA[Arch Orthop Trauma Surg]]></source>
<year>2017</year>
<volume>137</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>95-103</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Horneff III]]></surname>
<given-names><![CDATA[JG]]></given-names>
</name>
<name>
<surname><![CDATA[Abboud]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Balloon arthroplasty: indications, technique, and European outcomes]]></article-title>
<source><![CDATA[Annals of Joint]]></source>
<year>2018</year>
<volume>3</volume>
<page-range>85</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Goutallier]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Le Guilloux]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Postel]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Radier]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Bernageau]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Zilber]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Acromio humeral distance less than six millimeter: its meaning in full-thickness rotator cuff tear]]></article-title>
<source><![CDATA[Orthop Traumatol Surg Res]]></source>
<year>2011</year>
<volume>97</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>246-51</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Patte]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Classification of rotator cuff lesions]]></article-title>
<source><![CDATA[Clin Orthop Relat Res]]></source>
<year>1990</year>
<numero>254</numero>
<issue>254</issue>
<page-range>81-6</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Goutallier]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Postel]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Bernageau]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Lavau]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Voisin]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fatty muscle degeneration in cuff ruptures. Pre- and postoperative evaluation by CT scan]]></article-title>
<source><![CDATA[Clin Orthop Relat Res]]></source>
<year>1994</year>
<numero>304</numero>
<issue>304</issue>
<page-range>78-83</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Denard]]></surname>
<given-names><![CDATA[PJ]]></given-names>
</name>
<name>
<surname><![CDATA[Jiwani]]></surname>
<given-names><![CDATA[AZ]]></given-names>
</name>
<name>
<surname><![CDATA[Lädermann]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Burkhart]]></surname>
<given-names><![CDATA[SS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Long-term outcome of arthroscopic massive rotator cuff repair: the importance of double-row fixation]]></article-title>
<source><![CDATA[Arthroscopy]]></source>
<year>2012</year>
<volume>28</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>909-15</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sheean]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[Hartzler]]></surname>
<given-names><![CDATA[RU]]></given-names>
</name>
<name>
<surname><![CDATA[Denard]]></surname>
<given-names><![CDATA[PJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Preoperative radiographic risk factors for incomplete arthroscopic supraspinatus tendon repair in massive rotator cuff tears]]></article-title>
<source><![CDATA[Arthroscopy]]></source>
<year>2018</year>
<volume>34</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1121-7</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moon]]></surname>
<given-names><![CDATA[AS]]></given-names>
</name>
<name>
<surname><![CDATA[Patel]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
<name>
<surname><![CDATA[Ithurburn]]></surname>
<given-names><![CDATA[MP]]></given-names>
</name>
<name>
<surname><![CDATA[Brabston]]></surname>
<given-names><![CDATA[EW]]></given-names>
</name>
<name>
<surname><![CDATA[Ponce]]></surname>
<given-names><![CDATA[BA]]></given-names>
</name>
<name>
<surname><![CDATA[Momaya]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Subacromial spacer implantation for the treatment of massive irreparable rotator cuff tears: a systematic review]]></article-title>
<source><![CDATA[Arthroscopy]]></source>
<year>2019</year>
<volume>35</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>607-14</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holschen]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Brand]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Agneskirchner]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Subacromial spacer implantation for massive rotator cuff tears: Clinical outcome of arthroscopically treated patients]]></article-title>
<source><![CDATA[Obere Extrem]]></source>
<year>2017</year>
<volume>12</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>38-45</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="">
<collab>OrthoSpace</collab>
<source><![CDATA[InSpaceTM balloon surgical technique brochure. orthospace-brochure-2013.indd]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Savarese]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Romeo]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[New solution for massive, irreparable rotator cuff tears: the subacromial &#8220;biodegradable spacer&#8221;]]></article-title>
<source><![CDATA[Arthroscopy Techniques]]></source>
<year>2012</year>
<volume>1</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>e69-74</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Senekovic]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Poberaj]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Kovacic]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Mikek]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Adar]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Dekel]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prospective clinical study of a novel biodegradable sub-acromial spacer in treatment of massive irreparable rotator cuff tears]]></article-title>
<source><![CDATA[Eur J Orthop Surg Traumatol]]></source>
<year>2013</year>
<volume>23</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>311-6</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hamada]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Yamanaka]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Uchiyama]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Mikasa]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Mikasa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A radiographic classification of massive rotator cuff tear arthritis]]></article-title>
<source><![CDATA[Clin Orthop Relat Res]]></source>
<year>2011</year>
<volume>469</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>2452-60</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Richards]]></surname>
<given-names><![CDATA[RR]]></given-names>
</name>
<name>
<surname><![CDATA[An]]></surname>
<given-names><![CDATA[KN]]></given-names>
</name>
<name>
<surname><![CDATA[Bigliani]]></surname>
<given-names><![CDATA[LU]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A standardized method for the assessment of shoulder function]]></article-title>
<source><![CDATA[J Shoulder Elbow Surg]]></source>
<year>1994</year>
<volume>3</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>347-52</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Constant]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
<name>
<surname><![CDATA[Gerber]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Emery]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A review of the Constant score: modifications and guidelines for its use]]></article-title>
<source><![CDATA[J Shoulder Elbow Surg]]></source>
<year>2008</year>
<volume>17</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>355-61</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Reeves]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Langohr]]></surname>
<given-names><![CDATA[GDG]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Athwal]]></surname>
<given-names><![CDATA[GS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The subacromial balloon spacer versus superior capsular reconstruction in the treatment of irreparable rotator cuff tears: a biomechanical assessment]]></article-title>
<source><![CDATA[Arthroscopy]]></source>
<year>2019</year>
<volume>35</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>382-9</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ricci]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Vecchini]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Bonfante]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A clinical and radiological study of biodegradable subacromial spacer in the treatment of massive irreparable rotator cuff tears]]></article-title>
<source><![CDATA[Acta Biomed]]></source>
<year>2017</year>
<volume>88</volume>
<numero>4S</numero>
<issue>4S</issue>
<page-range>75-80</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Henry]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Wasserstein]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Park]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Arthroscopic repair for chronic massive rotator cuff tears: a systematic review]]></article-title>
<source><![CDATA[Arthroscopy]]></source>
<year>2015</year>
<volume>31</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>2472-80</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chevalier]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Pietschmann]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<name>
<surname><![CDATA[Thorwachter]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biodegradable spacer reduces the subacromial pressure: A biomechanical cadaver study]]></article-title>
<source><![CDATA[Clin Biomech]]></source>
<year>2018</year>
<volume>52</volume>
<page-range>41-8</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bozkurt]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Akkaya]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Gursoy]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Isik]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Augmented fixation with biodegradable subacromial spacer after repair of massive rotator cuff tear]]></article-title>
<source><![CDATA[Arthrosc Tech]]></source>
<year>2015</year>
<volume>4</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>e471-4</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
