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<front>
<journal-meta>
<journal-id>0211-6995</journal-id>
<journal-title><![CDATA[Nefrología (Madrid)]]></journal-title>
<abbrev-journal-title><![CDATA[Nefrología (Madr.)]]></abbrev-journal-title>
<issn>0211-6995</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Española de Nefrología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0211-69952015000200015</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Fracaso renal agudo secundario a crisis de hipercalcemia muy severa por hiperparatiroidismo primario]]></article-title>
<article-title xml:lang="en"><![CDATA[Acute kidney failure secondary to very severe hypercalcaemia from primary hyperparathyroidism]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chacón]]></surname>
<given-names><![CDATA[Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vilar]]></surname>
<given-names><![CDATA[Ana]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arroyo]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sarró]]></surname>
<given-names><![CDATA[Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Craver]]></surname>
<given-names><![CDATA[Lourdes]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ros]]></surname>
<given-names><![CDATA[Susana]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[Alex]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Matías-Guiu]]></surname>
<given-names><![CDATA[Xavier]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Giráldez]]></surname>
<given-names><![CDATA[Elvira]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital Arnau de Vilanova Servicio de Nefrología ]]></institution>
<addr-line><![CDATA[Lleida ]]></addr-line>
<country>España</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Hospital Arnau de Vilanova Servicio de Cirugía General y del Aparato Digestivo ]]></institution>
<addr-line><![CDATA[Lleida ]]></addr-line>
<country>España</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Hospital Arnau de Vilanova Servicio de Endocrinología ]]></institution>
<addr-line><![CDATA[Lleida ]]></addr-line>
<country>España</country>
</aff>
<aff id="A04">
<institution><![CDATA[,Hospital Arnau de Vilanova Servicio de Anatomía Patológica ]]></institution>
<addr-line><![CDATA[Lleida ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<volume>35</volume>
<numero>2</numero>
<fpage>224</fpage>
<lpage>226</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0211-69952015000200015&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0211-69952015000200015&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0211-69952015000200015&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front><body><![CDATA[ <p><a name="top"></a><font face="Verdana" size="2"><b>CARTA AL DIRECTOR</b></font></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="4"><b>Fracaso renal agudo secundario a crisis de hipercalcemia muy severa por hiperparatiroidismo primario<sup>*</sup></b></font></p>     <p><font face="Verdana" size="4"><b>Acute kidney failure secondary to very severe hypercalcaemia from primary hyperparathyroidism</b></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font face="Verdana" size="2"><a href="#bajo">Dirección para correspondencia</a></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font face="Verdana" size="2">Sr. Director:</font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana" size="2">La crisis hipercalc&eacute;mica es una forma de presentaci&oacute;n poco frecuente del hiperparatiroidismo primario. Solo existen peque&ntilde;as series de casos reportadas en la literatura<sup>1,2</sup>. Se caracteriza por hipercalcemia severa, insuficiencia renal y alteraci&oacute;n del estado de conciencia. Presentamos el caso de un paciente de 70 a&ntilde;os, que ingresa por fracaso renal agudo desencadenado por una crisis de hipercalcemia en el contexto de un hiperparatiroidismo primario no conocido previamente. Se discute la conducta terap&eacute;utica y la evoluci&oacute;n del paciente.</font></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="2"><b>Caso cl&iacute;nico</b></font></p>     <p><font face="Verdana" size="2">Var&oacute;n de 70 a&ntilde;os de raza blanca, con antecedentes de hiperplasia prost&aacute;tica benigna, fibrilaci&oacute;n auricular recurrente y hemitiroidectom&iacute;a derecha por hiperplasia nodular, as&iacute; como insuficiencia renal cr&oacute;nica no estudiada (creatinina basal 1,5 mg/dl).</font></p>     <p><font face="Verdana" size="2">Acude a Urgencias por cl&iacute;nica de tres meses de evoluci&oacute;n de inestabilidad de la marcha y debilidad generalizada (ingreso previo en otro centro por estos s&iacute;ntomas). Al examen f&iacute;sico, el paciente est&aacute; deshidratado, confuso, bradips&iacute;quico y con temblor distal.</font></p>     <p><font face="Verdana" size="2">Los datos anal&iacute;ticos se resumen en la (<a href="#t1">tabla 1</a>), destacando deterioro importante de la funci&oacute;n renal, hipercalcemia severa y elevaci&oacute;n marcada de PTH (veinte veces sobre el valor de referencia del laboratorio). Se inicia sueroterapia, perfusi&oacute;n de furosemida y corticoides endovenosos, bifosfonatos y calcitonina. Debido a la severidad de la cl&iacute;nica neurol&oacute;gica, se indica simult&aacute;neamente terapia renal sustitutiva urgente mediante hemodi&aacute;lisis con baja concentraci&oacute;n de calcio en el dializado. Presenta mejor&iacute;a cl&iacute;nica transitoria, pero debido a persistencia del fracaso renal y a rebote de la hipercalcemia (aumento de calcemia &gt; 2 mg/dl 24 horas post-hemodi&aacute;lisis), requiere continuar con sesiones diarias.</font></p>     <p>&nbsp;</p>     <p align="center"><font face="Verdana" size="2"><a name="t1"><img src="/img/revistas/nefrologia/v35n2/carta1_t1.jpg"></a></font></p>     <p align="center">&nbsp;</p>     <p><font face="Verdana" size="2">Como parte del estudio etiol&oacute;gico, se descartan procesos mieloproliferativos y otras neoplasias (no componente monoclonal en proteinograma, proteinuria de Bence-Jones negativa), patolog&iacute;a infecciosa (serolog&iacute;as negativas) y enfermedades autoinmunes. Ecograf&iacute;a urinaria con ri&ntilde;ones de tama&ntilde;o normal y adecuada diferenciaci&oacute;n cortico-medular. La TAC toraco-abdominal informa de masa retroesof&aacute;gica de 5,6 &times; 3,2 &times; 6,8 cm, sospechosa de tumor paratiroideo, y la imagen se confirma mediante gammagraf&iacute;a paratiroidea (<a href="#f1">fig. 1A</a>), adem&aacute;s de n&oacute;dulos hipodensos suprarrenales  bilaterales: derecho 27 &times; 18 mm e izquierdo de 15 &times; 11 mm.</font></p>     ]]></body>
<body><![CDATA[<p><font face="Verdana" size="2">Con estos hallazgos se consulta con Endocrinolog&iacute;a que descarta feocromocitoma (catecolaminas y metanefrinas en orina negativas). En sesi&oacute;n conjunta con Cirug&iacute;a General se decide manejo quir&uacute;rgico, resecando tumor paratiroideo de 8 cm (<a href="#f1">fig. 1B</a>). La Anatom&iacute;a Patol&oacute;gica informa de adenoma paratiroideo sin invasi&oacute;n capsular o vascular (<a href="#f1">fig. 1C</a>).</font></p>     <p align="center"><font face="Verdana" size="2"><a name="f1"><img src="/img/revistas/nefrologia/v35n2/carta1_f1.jpg"></a>    <br><b>Figura 1 - Gl&aacute;ndula paratiroides. A. Gammagraf&iacute;a de    <br>paratiroides con 99mTc-sestamibi. B. Pieza quir&uacute;rgica.    <br>C. Histolog&iacute;a del adenoma paratiroideo.</b></font></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="2">En el post-operatorio inmediato se produce "s&iacute;ndrome de hueso hambriento", por lo que el paciente requiere suplemento endovenoso y oral de calcio por hipocalcemia severa, y sesiones interdiarias de hemodi&aacute;lisis hasta nueve d&iacute;as despu&eacute;s de la cirug&iacute;a.</font></p>     <p><font face="Verdana" size="2">Nueve meses despu&eacute;s, el paciente est&aacute; asintom&aacute;tico, con calcemia en rango sin necesidad de suplementos, y con recuperaci&oacute;n parcial de la funci&oacute;n renal (creatinina 2,7 mg/dl, <a href="#f2">fig. 2</a>). Es de destacar que la funci&oacute;n renal persiste alterada un a&ntilde;o tras la cirug&iacute;a, a pesar de la normalizaci&oacute;n de la calcemia.</font></p>     <p>&nbsp;</p>     <p align="center"><font face="Verdana" size="2"><a name="f2"><img src="/img/revistas/nefrologia/v35n2/carta1_f2.jpg"></a>    ]]></body>
<body><![CDATA[<br>    <br><b>Figura 2 - Evoluci&oacute;n de calcemia y funci&oacute;n renal.</b></font></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="2">La gran mayor&iacute;a de adenomas paratiroideos son asintom&aacute;ticos, y solo un peque&ntilde;o porcentaje debutan con hipercalcemia severa y fracaso renal que requiera terapia renal sustitutiva<sup>3,4</sup>. Una reciente y exhaustiva revisi&oacute;n bibliogr&aacute;fica permite identificar solo 17 casos de hipercalcemia &gt; 20 mg/ dL, con una mortalidad del 60%<sup>5</sup>. Solo hay tres casos reportados con calcemia &gt; 30 mg/dL<sup>6-8</sup>.</font></p>     <p><font face="Verdana" size="2">Los aspectos m&aacute;s relevantes de este caso cl&iacute;nico son:</font></p>     <blockquote> 	    <p><font face="Verdana" size="2">&bull; El debut como hipercalcemia severa de un adenoma paratiroideo.</font></p> 	    <p><font face="Verdana" size="2">&bull; El fracaso renal secundario a la crisis de hipercalcemia que requiere terapia renal sustitutiva y que solo recupera parcialmente tras a corregir la causa de hipercalcemia.</font></p> 	    <p><font face="Verdana" size="2">&bull; El gran tama&ntilde;o del tumor paratiroideo con ausencia de malignidad en la histolog&iacute;a.</font></p> </blockquote>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font face="Verdana" size="2"><b>Conflicto de intereses</b></font></p>     <p><font face="Verdana" size="2">Los autores declaran no tener ning&uacute;n conflicto de intereses.</font></p>     <p>&nbsp;</p>     <p align="right"><font face="Verdana" size="2"><b>Andrea Chac&oacute;n<sup>1</sup>, Ana Vilar<sup>1</sup>, David Arroyo<sup>1</sup>, Felipe Sarr&oacute;<sup>1</sup>,    <br>Lourdes Craver<sup>1</sup>, Susana Ros<sup>2</sup>, Carolina L&oacute;pez<sup>3</sup>, Alex Castillo<sup>4</sup>,    <br>Xavier Mat&iacute;as-Guiu<sup>4</sup> y Elvira Fern&aacute;ndez-Gir&aacute;ldez<sup>1</sup></b>    <br><sup>1</sup> Nefrolog&iacute;a. Hospital Arnau de Vilanova. Lleida (Espa&ntilde;a)    <br><sup>2</sup> Cirug&iacute;a General y del Aparato Digestivo. Hospital Arnau de Vilanova. Lleida (Espa&ntilde;a)    <br><sup>3</sup> Endocrinolog&iacute;a. Hospital Arnau de Vilanova. Lleida (Espa&ntilde;a)    <br><sup>4</sup> Anatom&iacute;a Patol&oacute;gica. Hospital Arnau de Vilanova. Lleida (Espa&ntilde;a)</font></p>     ]]></body>
<body><![CDATA[<p align="right"><font face="Verdana" size="2"><sup>*</sup> Los resultados de este trabajo se presentaron en: Renal failure secondary    <br>to giant parathyroid adenoma-induced hypercalcemic crisis. 6th Biennial    <br>Congress the European Society of Endocrine Surgery (ESES) May 2014.</font></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="2"><b>Bibliograf&iacute;a</b></font></p>     <!-- ref --><p><font face="Verdana" size="2">1. Gómez A, García M, Barrios B, Gutiérrez MT, Gómez J, Expósito A, et al. Hiperparatiroidismo primario y crisis hipercalcémica aguda tóxica. Cir Esp. 2012;90:660-6.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=3303461&pid=S0211-6995201500020001500001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>    <!-- ref --><p><font face="Verdana" size="2">2. Cannon J, Lew JI, Solórzano CC. Parathyroidectomy for hypercalcemic crisis: 40 years experience and long-term outcomes. Surgery. 2010;148:807-13.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=3303463&pid=S0211-6995201500020001500002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>    <!-- ref --><p><font face="Verdana" size="2">3. Ntaios G, Savopoulos C, Chatzinikolaou A, Kaiafa G, Hatzitolios A, Karamitsos D. Parathyroid crisis as first manifestation of primary hyperparathyroidism. Eur J Intern Med. 2007;18:551-2.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=3303465&pid=S0211-6995201500020001500003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>    <!-- ref --><p><font face="Verdana" size="2">4. Georges CG, Guthoff M, Wehrmann M, Teichmann R, Gr&ouml;ne E, Artunc F, et al. Hypercalcaemic crisis and acute renal failure due to primary hyperparathyroidism. Dtsch Med Wochenschr. 2008;133(Suppl 0):F3.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=3303467&pid=S0211-6995201500020001500004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>    <!-- ref --><p><font face="Verdana" size="2">5. Gurrado A, Piccinni G, Lissidini G, Di Fronzo P, Vittore F, Testini M. Hypercalcaemic crisis due to primary hyperparathyroidism - a systematic literature review and case report. Endokrynol Pol. 2012;63:494-502.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=3303469&pid=S0211-6995201500020001500005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>    <!-- ref --><p><font face="Verdana" size="2">6. Derbyshire RC, Angle RM. Acute hyperparathyroidism: case report. Am Surg. 1960;26:166-70.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=3303471&pid=S0211-6995201500020001500006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>    <!-- ref --><p><font face="Verdana" size="2">7. Gardner RJ, Koppel DM. Hyperparathyroid crisis. Arch Surg. 1969;98:674-6.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=3303473&pid=S0211-6995201500020001500007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>    <!-- ref --><p><font face="Verdana" size="2">8. Keeling CA, Abrahamson MJ, Harloe DG. Fatal hyperparathyroid crisis. Postgrad Med J. 1987;63:111-2.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=3303475&pid=S0211-6995201500020001500008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font face="Verdana" size="2"><a href="#top"><img border="0" src="/img/revistas/nefrologia/v35n2/seta.gif" width="15" height="17"></a><a name="bajo"></a><b>Dirección para correspondencia:</b>    <br>Correo electr&oacute;nico: <a href="mailto:mytleya@gmail.com">mytleya@gmail.com</a>     ]]></body><back>
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