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characteristic capillaroscopy and anticentromere antibodies&#46; At the moment of diagnosis TTE showed insignificant aortic and mitral insufficiency&#44; normal systolic function and the absence of PHT data&#46; 11 years later the valvulopathy had evolved to become severe mitral and tricuspid insufficiency&#44; moderate aortic insufficiency and severe PHT &#40;PSAP&#58; 75&#8239;mmHg&#41;&#46; Two mechanical prostheses were therefore implanted at mitral and aortic levels&#46;</p><p id="par0015" class="elsevierStylePara elsevierViewall">Two years later she visited due to general syndrome and dyspnoea&#46; She was treated with Furosemide&#44; Ranolazine&#44; Acenocumarol&#44; Spironolactone&#44; Omeprazol and Bromazepam&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">Physical examination only found distal metacarpophalangeal sclerodactila&#44; with no scarring&#44; ulcers or telangiectasias&#44; and mild cutaneous sclerosis on the legs&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">Relevant analytical data are shown in <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0030" class="elsevierStylePara elsevierViewall">A thoracic-abdominal CT scan showed an extensive area of retroperitoneal &#40;RPF&#41; and pelvic fibrosis with bilateral ureterohydronephrosis&#46; Subsequently a PET-CT scan with <span class="elsevierStyleSup">18</span>F-FDG &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#41; confirmed the mass of soft tissues in front of the sacrococcygeal region&#44; with low glucidic avidity &#40;SUVmax&#58; 2&#46;16&#8239;g&#47;ml&#41;&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0035" class="elsevierStylePara elsevierViewall">Given these findings a double J catheter was implanted and the fibrotic retroperitoneal lesions were biopsied&#46; In the valves resected 2 years previously and in the retroperitoneal lesions only areas of fibrosis with negative immunofluorescence for IgG4 were observed&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">The patient then remembered taking Hemicraneal&#174; &#40;paracetamol&#44; caffeine and 2&#8239;mg ergotamine tartrate&#41; almost every day for several years in suppository format for headaches&#44; without medical prescription&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">It was finally assumed that the RPF as well as the valvulopathy were side effects of the ergotamines&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">RPF is a fibroinflammatory disease that is now considered to be within the spectrum of diseases associated with IgG4&#44; although it has also been associated with other systemic diseases&#46;<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> Differential diagnosis of this disease includes carcinoid tumours&#44; actinomycosis&#44; radiotherapy or abdominal surgery and Erdheim-Chester&#8217;s disease&#44; although drugs also have to be considered&#46; They include anti-migraine medication &#40;metisergide and ergotamine&#41;&#44; dopaminergic agonists used in Parkinson&#8217;s disease &#40;pergolide and cabergoline&#41;&#44; anorexigenic drugs &#40;fenfluramine&#44; dexfenfluramine and benfluorex&#41; and anti-TNF<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">5</span></a> drugs&#46; However&#44; the list includes recreational drugs as well&#44; such as 3&#44;4-methylenodioxymethamphetamine&#44; known as ecstasy&#46;<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">6</span></a> These drugs have strong affinity for the 5HT<span class="elsevierStyleInf">28</span> serotonin receptor that is found in valvular tissue&#44; and they cause lesions similar to those observed in carcinoid tumours&#44; with thickening and accumulation of collagen and the proliferation of myofibroblasts and smooth muscle cells&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">Ergotamine is used as migraine prophylaxis&#46; It is sold over the counter and its use is contraindicated in Raynaud as it causes vasospasm&#46; The first case of valvulopathy due to ergotamines was described in 1974<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">5</span></a> and&#44; although its toxicity is well-known&#44; it is rarely diagnosed&#46; It is probably under-diagnosed as it is taken without supervision&#44; and its toxicity appears after prolonged use&#46;<a class="elsevierStyleCrossRefs" href="#bib0030"><span class="elsevierStyleSup">6&#44;7</span></a></p><p id="par0060" class="elsevierStylePara elsevierViewall">Our patient&#44; with limited SD&#44; developed valvulopathy and RPF due to ergotamines&#46; Although both toxicities are well-known&#44; they are exceptional in the same patient&#46; On the other hand&#44; the association of SD and RPF&#44; profibrotic diseases that may have similar physiopathological mechanisms&#44; is exceptional&#46;<a class="elsevierStyleCrossRefs" href="#bib0040"><span class="elsevierStyleSup">8&#44;9</span></a> In spite of sophisticated current diagnostic procedures&#44; our diagnosis is still based on directed anamnesis&#44; which is often overlooked&#46; In SD&#44; as is the case for other systemic diseases&#44;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a> other processes and drugs which may simulate their clinical manifestations must always be taken into account&#46;</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Financing</span><p id="par0065" class="elsevierStylePara elsevierViewall">This research received no specific grant from any agency in the public or private sector or those which are not-for-profit&#46;</p></span></span>"
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          "leyenda" => "<p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">ANA&#58; antinuclear antibodies&#59; ANCA&#58; antineutrophile cytoplasm antibodies&#59; Anti-DNA&#58; anti-DNA antibodies&#59; AST&#58; aspartate aminotransferase&#59; ENA&#58; extractable nuclear antigens&#59; AP&#58; alkaline phosphatase&#59; GGT&#58; gamma glutamyl transpeptidase&#59; PCR&#58; polymerase chain reaction&#46;</p>"
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                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">Creatinine&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">1&#46;23&#8239;mg&#47;dl&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">Haemoglobin&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">12&#46;5&#8239;g&#47;dl&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">ANA&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">Positive 1&#47;1&#44;280&#44; centromere&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">44 UI&#47;l&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">Leukocytes&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">Negative&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">716 UI&#47;l&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">Platelets&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">13&#44;700&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">Negative&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">GGT&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">290 UI&#47;l&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">PCR&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">46&#8239;m&#47;h&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">IgG4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">Normal &#40;0&#46;05&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">PCR&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">2&#46;54&#8239;mg&#47;dl&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">&#8211;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">&#8211;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">Negative&nbsp;\t\t\t\t\t\t\n
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                            0 => "E&#46; Mart&#237;nez Quintana"
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Letter to the Editor
Valvulopathy in scleroderma is not always autoimmunity
Valvulopatía en la esclerodermia, no siempre es autoinmunidad
Lucía Suárez Péreza,
Corresponding author
luciasuarezp27@gmail.com

Corresponding author.
, Luis Caminal Monteroa, Luis Trapiella Martínezb, Jessica Rugeles Niñoa
a Unidad de Enfermedades Autoinmunes Sistémicas, Unidad de Gestión Clínica de Medicina Interna, Hospital Universitario Central de Asturias, Oviedo, Asturias, Spain
b Servicio de Medicina Interna, Hospital Universitario San Agustín, Avilés, Asturias, Spain
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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Cardiac complications in scleroderma &#40;SD&#41; are associated with a poor prognosis&#46; Up to 15&#37; of patients&#44; generally with limited forms and anticentromere antibodies&#44; develop pulmonary hypertension &#40;PHT&#41;&#46; Early diagnosis improves the prognosis&#44; so that routine transthoracic echocardiograms &#40;TTE&#41; are recommended&#46;<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> Pericardial bleeding has also been described&#44; as have valvulopathies&#44; myocarditis and hypertrophy or myocardial fibrosis&#46;<a class="elsevierStyleCrossRefs" href="#bib0010"><span class="elsevierStyleSup">2&#44;3</span></a> We believe it is of interest to present the case of a patient with limited SD who developed mitral-aortic valvulopathy that was finally attributed to ergotamine toxicity&#46;</p><p id="par0010" class="elsevierStylePara elsevierViewall">A 59 year-old woman diagnosed SD based on Reynaud&#8217;s phenomenon&#44; characteristic capillaroscopy and anticentromere antibodies&#46; At the moment of diagnosis TTE showed insignificant aortic and mitral insufficiency&#44; normal systolic function and the absence of PHT data&#46; 11 years later the valvulopathy had evolved to become severe mitral and tricuspid insufficiency&#44; moderate aortic insufficiency and severe PHT &#40;PSAP&#58; 75&#8239;mmHg&#41;&#46; Two mechanical prostheses were therefore implanted at mitral and aortic levels&#46;</p><p id="par0015" class="elsevierStylePara elsevierViewall">Two years later she visited due to general syndrome and dyspnoea&#46; She was treated with Furosemide&#44; Ranolazine&#44; Acenocumarol&#44; Spironolactone&#44; Omeprazol and Bromazepam&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">Physical examination only found distal metacarpophalangeal sclerodactila&#44; with no scarring&#44; ulcers or telangiectasias&#44; and mild cutaneous sclerosis on the legs&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">Relevant analytical data are shown in <a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0030" class="elsevierStylePara elsevierViewall">A thoracic-abdominal CT scan showed an extensive area of retroperitoneal &#40;RPF&#41; and pelvic fibrosis with bilateral ureterohydronephrosis&#46; Subsequently a PET-CT scan with <span class="elsevierStyleSup">18</span>F-FDG &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#41; confirmed the mass of soft tissues in front of the sacrococcygeal region&#44; with low glucidic avidity &#40;SUVmax&#58; 2&#46;16&#8239;g&#47;ml&#41;&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0035" class="elsevierStylePara elsevierViewall">Given these findings a double J catheter was implanted and the fibrotic retroperitoneal lesions were biopsied&#46; In the valves resected 2 years previously and in the retroperitoneal lesions only areas of fibrosis with negative immunofluorescence for IgG4 were observed&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">The patient then remembered taking Hemicraneal&#174; &#40;paracetamol&#44; caffeine and 2&#8239;mg ergotamine tartrate&#41; almost every day for several years in suppository format for headaches&#44; without medical prescription&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">It was finally assumed that the RPF as well as the valvulopathy were side effects of the ergotamines&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">RPF is a fibroinflammatory disease that is now considered to be within the spectrum of diseases associated with IgG4&#44; although it has also been associated with other systemic diseases&#46;<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> Differential diagnosis of this disease includes carcinoid tumours&#44; actinomycosis&#44; radiotherapy or abdominal surgery and Erdheim-Chester&#8217;s disease&#44; although drugs also have to be considered&#46; They include anti-migraine medication &#40;metisergide and ergotamine&#41;&#44; dopaminergic agonists used in Parkinson&#8217;s disease &#40;pergolide and cabergoline&#41;&#44; anorexigenic drugs &#40;fenfluramine&#44; dexfenfluramine and benfluorex&#41; and anti-TNF<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">5</span></a> drugs&#46; However&#44; the list includes recreational drugs as well&#44; such as 3&#44;4-methylenodioxymethamphetamine&#44; known as ecstasy&#46;<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">6</span></a> These drugs have strong affinity for the 5HT<span class="elsevierStyleInf">28</span> serotonin receptor that is found in valvular tissue&#44; and they cause lesions similar to those observed in carcinoid tumours&#44; with thickening and accumulation of collagen and the proliferation of myofibroblasts and smooth muscle cells&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">Ergotamine is used as migraine prophylaxis&#46; It is sold over the counter and its use is contraindicated in Raynaud as it causes vasospasm&#46; The first case of valvulopathy due to ergotamines was described in 1974<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">5</span></a> and&#44; although its toxicity is well-known&#44; it is rarely diagnosed&#46; It is probably under-diagnosed as it is taken without supervision&#44; and its toxicity appears after prolonged use&#46;<a class="elsevierStyleCrossRefs" href="#bib0030"><span class="elsevierStyleSup">6&#44;7</span></a></p><p id="par0060" class="elsevierStylePara elsevierViewall">Our patient&#44; with limited SD&#44; developed valvulopathy and RPF due to ergotamines&#46; Although both toxicities are well-known&#44; they are exceptional in the same patient&#46; On the other hand&#44; the association of SD and RPF&#44; profibrotic diseases that may have similar physiopathological mechanisms&#44; is exceptional&#46;<a class="elsevierStyleCrossRefs" href="#bib0040"><span class="elsevierStyleSup">8&#44;9</span></a> In spite of sophisticated current diagnostic procedures&#44; our diagnosis is still based on directed anamnesis&#44; which is often overlooked&#46; In SD&#44; as is the case for other systemic diseases&#44;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a> other processes and drugs which may simulate their clinical manifestations must always be taken into account&#46;</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Financing</span><p id="par0065" class="elsevierStylePara elsevierViewall">This research received no specific grant from any agency in the public or private sector or those which are not-for-profit&#46;</p></span></span>"
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          "titulo" => "Financing"
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        1 => array:1 [
          "titulo" => "References"
        ]
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    ]
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    "NotaPie" => array:1 [
      0 => array:2 [
        "etiqueta" => "&#9734;"
        "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Please cite this article as&#58; Su&#225;rez P&#233;rez L&#44; Caminal Montero L&#44; Trapiella Mart&#237;nez L&#44; Rugeles Ni&#241;o J&#46; Valvulopat&#237;a en la esclerodermia&#44; no siempre es autoinmunidad&#46; Reumatol Clin&#46; 2021&#59;17&#58;57&#8211;58&#46;</p>"
      ]
    ]
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      0 => array:8 [
        "identificador" => "fig0005"
        "etiqueta" => "Fig&#46; 1"
        "tipo" => "MULTIMEDIAFIGURA"
        "mostrarFloat" => true
        "mostrarDisplay" => false
        "figura" => array:1 [
          0 => array:4 [
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          "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">PET-CT scan image with 18F-FDG showing presacral capture with little glucidic avidity&#46;</p>"
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      1 => array:8 [
        "identificador" => "tbl0005"
        "etiqueta" => "Table 1"
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          "leyenda" => "<p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">ANA&#58; antinuclear antibodies&#59; ANCA&#58; antineutrophile cytoplasm antibodies&#59; Anti-DNA&#58; anti-DNA antibodies&#59; AST&#58; aspartate aminotransferase&#59; ENA&#58; extractable nuclear antigens&#59; AP&#58; alkaline phosphatase&#59; GGT&#58; gamma glutamyl transpeptidase&#59; PCR&#58; polymerase chain reaction&#46;</p>"
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                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Biochemistry&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Haemogram&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Immunology&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Creatinine&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">1&#46;23&#8239;mg&#47;dl&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Haemoglobin&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">12&#46;5&#8239;g&#47;dl&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">ANA&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Positive 1&#47;1&#44;280&#44; centromere&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">AST&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">44 UI&#47;l&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Leukocytes&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7&#44;620&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Anti-DNA&#44; ENA&#44; ANCA&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Negative&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">AP&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">716 UI&#47;l&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Platelets&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">13&#44;700&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Anticardiolipin antibodies&#44; anti-2-glycoprotein antibodies&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Negative&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">GGT&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">290 UI&#47;l&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">PCR&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">46&#8239;m&#47;h&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">IgG4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Normal &#40;0&#46;05&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">PCR&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">2&#46;54&#8239;mg&#47;dl&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8211;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">&#8211;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Plasmablasts in peripheral blood&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Negative&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
                  """
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          "en" => "<p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Analytical results&#46;</p>"
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      "titulo" => "References"
      "seccion" => array:1 [
        0 => array:2 [
          "identificador" => "bibs0005"
          "bibliografiaReferencia" => array:10 [
            0 => array:3 [
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              "etiqueta" => "1"
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                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Systemic sclerosis"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:2 [
                            0 => "C&#46;P&#46; Denton"
                            1 => "D&#46; Khanna"
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                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:2 [
                      "doi" => "10.1016/S0140-6736(17)30933-9"
                      "Revista" => array:6 [
                        "tituloSerie" => "Lancet"
                        "fecha" => "2017"
                        "volumen" => "390"
                        "paginaInicial" => "1685"
                        "paginaFinal" => "1699"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/28413064"
                            "web" => "Medline"
                          ]
                        ]
                      ]
                    ]
                  ]
                ]
              ]
            ]
            1 => array:3 [
              "identificador" => "bib0010"
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              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Consensus best practice pathway of the UK Systemic Sclerosis Study group&#58; management of cardiac disease in systemic sclerosis"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => true
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                            0 => "L&#46;A&#46; Bissell"
                            1 => "M&#46; Anderson"
                            2 => "M&#46; Burgess"
                            3 => "K&#46; Chakravarty"
                            4 => "G&#46; Coghlan"
                            5 => "R&#46;B&#46; Dumitru"
                          ]
                        ]
                      ]
                    ]
                  ]
                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:5 [
                        "tituloSerie" => "Rheumatology &#40;Oxford&#41;"
                        "fecha" => "2017"
                        "volumen" => "56"
                        "paginaInicial" => "912"
                        "paginaFinal" => "921"
                      ]
                    ]
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                ]
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            ]
            2 => array:3 [
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              "referencia" => array:1 [
                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Acute cardiomyopathy as a clinical manifestation of systemic sclerosis &#91;Article in Spanish&#93;"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
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ISSN: 21735743
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