<?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>2011-7582</journal-id>
<journal-title><![CDATA[Revista Colombiana de Cirugía]]></journal-title>
<abbrev-journal-title><![CDATA[rev. colomb. cir.]]></abbrev-journal-title>
<issn>2011-7582</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Cirugía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2011-75822021000100051</article-id>
<article-id pub-id-type="doi">10.30944/20117582.601</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tiempo óptimo para medición de paratohormona como predictor de hipocalcemia en pacientes posterior a tiroidectomía total]]></article-title>
<article-title xml:lang="en"><![CDATA[Optimal time for measurement of parathormone as a predictor of hypocalcemia in patients after total thyroidectomy]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lagos]]></surname>
<given-names><![CDATA[Jenith]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera]]></surname>
<given-names><![CDATA[Jorge A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lagos]]></surname>
<given-names><![CDATA[Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Merchán-Galvis]]></surname>
<given-names><![CDATA[Ángela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Cauca Facultad Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[Popayán ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad del Cauca programa de Medicina ]]></institution>
<addr-line><![CDATA[Popayán ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad del Cauca  ]]></institution>
<addr-line><![CDATA[Popayán ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<volume>36</volume>
<numero>1</numero>
<fpage>51</fpage>
<lpage>59</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2011-75822021000100051&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2011-75822021000100051&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2011-75822021000100051&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción.  La hipocalcemia posterior a tiroidectomía total es una complicación frecuente en la cirugía de tiroides. La hormona paratiroidea ha demostrado ser un predictor confiable para detectar los pacientes con alto riesgo de hipocalcemia significativa y la consecuente necesidad de administrar suplemento de calcio. El objetivo de este estudio fue determinar el tiempo óptimo de medición de la paratohormona para dicho fin.  Métodos.  Estudio prospectivo realizado en dos instituciones de nivel III en Popayán, Colombia, entre abril de 2016 y febrero de 2018, en el cual se midieron niveles de paratohormona prequirúrgico, a las 0, 2, 4 y 12 horas del postoperatorio, y se compararon con los valores obtenidos a los 3 meses de seguimiento en pacientes sometidos a tiroidectomía total. Se consideró como grupos de riesgo y con necesidad de suplemento de calcio un valor de paratohormona menor de 10 pg/ml o una disminución mayor del 80 % con respecto al valor prequirúrgico.  Resultados.  Se incluyeron 34 pacientes intervenidos. Tomando como umbral un valor menor de 10 pg/ml, la medición de paratohormona a las 4 horas fue sensible y específica (60 y 93,1 % respectivamente). Para una disminución mayor del 80 % con respecto al valor prequirúrgico, la sensibilidad fue del 60 % y la especificidad del 96,5 %, presentando un valor predictivo positivo de 75 % y negativo del 93,3 %, con una p &lt; 0,001.  Discusión.  Una disminución mayor del 80 % del valor de paratohormona prequirúrgico medida a las 4 horas después de la tiroidectomía total permite identificar aquellos pacientes con alto riesgo de hipocalcemia significativa, que requieren administración temprana de suplementos de calcio, comparado con la determinación de la disminución a las 0, 2 y 12 horas postoperatorias.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction. Hypocalcemia after total thyroidectomy is a common complication in thyroid surgery. Parathyroid hormone has been shown to be a reliable predictor for detecting patients with at high risk of significant hypocalcemia and the consequent need for calcium supplementation. The objective of this study was to determine the optimal time for measuring parathormone for this purpose.  Methods. Prospective study carried out in two level 3 institutions in Popayán, Colombia, between April 2016 and February 2018, in which levels of preoperative parathormone were measured at 0, 2, 4 and 12 hours postoperatively, and compared with the values &#8203;&#8203;obtained at 3 months of follow-up in patients undergoing total thyroidectomy. A parathormone value less than 10 pg/ml or a decrease greater than 80% with respect to the pre-surgical value was considered as risk groups and in need of calcium supplementation.  Results. Thirty-four operated patients were included. Taking as a threshold a value of less than 10 pg/ml, the measurement of parathormone at 4 hours was sensitive and specific (60% and 93.1%, respectively). For a decrease greater than 80% with respect to the presurgical value, the sensitivity was 60% and the specificity was 96.5%, presenting a positive predictive value of 75% and a negative predictive value of 93.3% (p &lt;0.001).  Discussion. A decrease of more than 80% in the preoperative parathyroid hormone value measured at 4 hours after total thyroidectomy allows the identification of those patients at high risk of significant hypocalcaemia, who require early administration of calcium supplements, compared with the determination of the decrease at 0, 2 and 12 hours postoperatively.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[hipocalcemia]]></kwd>
<kwd lng="es"><![CDATA[hormona paratiroidea]]></kwd>
<kwd lng="es"><![CDATA[hormonas y agentes reguladores de calcio]]></kwd>
<kwd lng="es"><![CDATA[tiroidectomía]]></kwd>
<kwd lng="es"><![CDATA[complicaciones posoperatorias]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico]]></kwd>
<kwd lng="en"><![CDATA[hypocalcemia]]></kwd>
<kwd lng="en"><![CDATA[parathyroid hormone]]></kwd>
<kwd lng="en"><![CDATA[calcium-regulating hormones and agents]]></kwd>
<kwd lng="en"><![CDATA[thyroidectomy]]></kwd>
<kwd lng="en"><![CDATA[postoperative complications]]></kwd>
<kwd lng="en"><![CDATA[diagnosis]]></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[Edafe]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Antakia]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Laskar]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Uttley]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Balasubramanian]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Systematic review and meta-analysis of predictors of post-thyroidectomy hypocalcaemia Predictors of post-thyroidectomy hypocalcaemia]]></article-title>
<source><![CDATA[Br J Surg]]></source>
<year>2014</year>
<volume>101</volume>
<page-range>307-20</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[Saba]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Podda]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Messina-Campanella]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Pisanu]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Early prediction of hypocalcemia following thyroid surgery A prospective randomized clinical trial]]></article-title>
<source><![CDATA[Langenbecks Arch Surg]]></source>
<year>2017</year>
<volume>402</volume>
<page-range>1119-25</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[Cabrera]]></surname>
<given-names><![CDATA[EY]]></given-names>
</name>
<name>
<surname><![CDATA[Cifuentes]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
<name>
<surname><![CDATA[Sanabria]]></surname>
<given-names><![CDATA[Á]]></given-names>
</name>
<name>
<surname><![CDATA[Domínguez]]></surname>
<given-names><![CDATA[LC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tiroidectomía ambulatoria análisis de minimización de costos en Colombia]]></article-title>
<source><![CDATA[Rev Colomb Cir]]></source>
<year>2014</year>
<volume>29</volume>
<page-range>319-26</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[Calvo-Espino]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Rivera-Bautista]]></surname>
<given-names><![CDATA[JÁ]]></given-names>
</name>
<name>
<surname><![CDATA[Artés-Caselles]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Serrano-González]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[García-Pavía]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[García-Oria]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Uso del valor de la hormona paratiroidea intacta en el primer día postoperatorio tras tiroidectomía total como predictor de hipoparatiroidismo permanente]]></article-title>
<source><![CDATA[Endocrinol Diabetes Nutr]]></source>
<year>2019</year>
<volume>66</volume>
<page-range>195-201</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[Dedivitis]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Aires]]></surname>
<given-names><![CDATA[FT]]></given-names>
</name>
<name>
<surname><![CDATA[Cernea]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hypoparathyroidism after thyroidectomy prevention, assessment and management]]></article-title>
<source><![CDATA[Curr Opin Otolaryngol Head Neck Surg]]></source>
<year>2017</year>
<volume>25</volume>
<page-range>142-6</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[Ravikumar]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Sadacharan]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Muthukumar]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sundarram]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Periyasamy]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Suresh]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A prospective study on role of supplemental oral calcium and Vitamin D in prevention of postthyroidectomy hypocalcemia]]></article-title>
<source><![CDATA[Indian J Endocrinol Metab]]></source>
<year>2017</year>
<volume>21</volume>
<page-range>498-503</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[Mordojovich]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Lavín]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rev Chil]]></article-title>
<collab>Ávalos N medición de niveles de parathormona como predictor de hipocalcemia sintomática en el post-operatorio precoz de tiroidectomía total</collab>
<source><![CDATA[Cir]]></source>
<year>2015</year>
<volume>67</volume>
<page-range>147-52</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[Wang]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Gong]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Postoperative hypomagnesaemia is not associated with hypocalcemia in thyroid cancer patients undergoing total thyroidectomy plus central compartment neck dissection]]></article-title>
<source><![CDATA[Int J Surg]]></source>
<year>2017</year>
<volume>39</volume>
<page-range>192-6</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[Rosa]]></surname>
<given-names><![CDATA[KM]]></given-names>
</name>
<name>
<surname><![CDATA[de Matos]]></surname>
<given-names><![CDATA[LL]]></given-names>
</name>
<name>
<surname><![CDATA[Cernea]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
<name>
<surname><![CDATA[Brandão]]></surname>
<given-names><![CDATA[LG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Postoperative calcium levels as a diagnostic measure for hypoparathyroidism after total thyroidectomy]]></article-title>
<collab>de Araújo Filho VJF</collab>
<source><![CDATA[Arch Endocrinol Metab]]></source>
<year>2015</year>
<volume>59</volume>
<page-range>428-33</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[Noureldine]]></surname>
<given-names><![CDATA[SI]]></given-names>
</name>
<name>
<surname><![CDATA[Genther]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Lopez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Agrawal]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Tufano]]></surname>
<given-names><![CDATA[RP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Early predictors of hypocalcemia after total thyroidectomy An analysis of 304 patients using a short-stay monitoring protocol]]></article-title>
<source><![CDATA[JAMA Otolaryngol Neck Surg]]></source>
<year>2014</year>
<volume>140</volume>
<page-range>1006-13</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[Chisthi]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Nair]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
<name>
<surname><![CDATA[Kuttanchettiyar]]></surname>
<given-names><![CDATA[KG]]></given-names>
</name>
<name>
<surname><![CDATA[Yadev]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mechanisms behind post-thyroidectomy hypocalcemia Interplay of calcitonin, parathormone, and albumin - A prospective study]]></article-title>
<source><![CDATA[J Invest Surg]]></source>
<year>2017</year>
<volume>30</volume>
<page-range>217-25</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[Kala]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Sarici]]></surname>
<given-names><![CDATA[IS]]></given-names>
</name>
<name>
<surname><![CDATA[Ulutas]]></surname>
<given-names><![CDATA[KT]]></given-names>
</name>
<name>
<surname><![CDATA[Sevim]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Dogu]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Sarigoz]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intact parathormone measurement 1 hour after total thyroidectomy as a predictor of symptomatic hypocalcemia]]></article-title>
<source><![CDATA[Int J Clin Exp Med]]></source>
<year>2015</year>
<volume>8</volume>
<page-range>18813-8</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eismontas]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Slepavicius]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Janusonis]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Zeromskas]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Beisa]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Strupas]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Predictors of postoperative hypocalcemia occurring after a total thyroidectomy results of prospective multicenter study]]></article-title>
<source><![CDATA[BMC Surg]]></source>
<year>2018</year>
<volume>18</volume>
<page-range>55</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Haden]]></surname>
<given-names><![CDATA[ST]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[EM]]></given-names>
</name>
<name>
<surname><![CDATA[Hurwitz]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Scott]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Fuleihan]]></surname>
<given-names><![CDATA[GEH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effects of age and gender on parathyroid hormone dynamics]]></article-title>
<source><![CDATA[Clin Endocrinol (Oxf)]]></source>
<year>2000</year>
<volume>52</volume>
<page-range>329-38</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[Brown]]></surname>
<given-names><![CDATA[EM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Four-parameter model of the sigmoidal relationship between parathyroid hormone release and extracellular calcium concentration in normal and abnormal parathyroid tissue]]></article-title>
<source><![CDATA[J Clin Endocrinol Metab]]></source>
<year>1983</year>
<volume>56</volume>
<page-range>572-81</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[Quiros]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[Pesce]]></surname>
<given-names><![CDATA[CE]]></given-names>
</name>
<name>
<surname><![CDATA[Wilhelm]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Djuricin]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Prinz]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intraoperative parathyroid hormone levels in thyroid surgery are predictive of postoperative hypoparathyroidism and need for vitamin D supplementation]]></article-title>
<source><![CDATA[Am J Surg]]></source>
<year>2005</year>
<volume>189</volume>
<page-range>306-9</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[Lindblom]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Westerdahl]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Bergenfelz]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Low parathyroid hormone levels after thyroid surgery A feasible predictor of hypocalcemia]]></article-title>
<source><![CDATA[Surgery]]></source>
<year>2002</year>
<volume>131</volume>
<page-range>515-20</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[Lombardi]]></surname>
<given-names><![CDATA[CP]]></given-names>
</name>
<name>
<surname><![CDATA[Raffaelli]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Princi]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Santini]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Boscherini]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[De Crea]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Early prediction of postthyroidectomy hypocalcemia by one single iPTH measurement]]></article-title>
<source><![CDATA[Surgery]]></source>
<year>2004</year>
<volume>136</volume>
<page-range>1236-41</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[Lombardi]]></surname>
<given-names><![CDATA[CP]]></given-names>
</name>
<name>
<surname><![CDATA[Raffaelli]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Princi]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Dobrinja]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Carrozza]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Di Stasio]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Parathyroid hormone levels 4 hours after surgery do not accurately predict post-thyroidectomy hypocalcemia]]></article-title>
<source><![CDATA[Surgery]]></source>
<year>2006</year>
<volume>140</volume>
<page-range>1016-25</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<collab>Australian Endocrine Surgeons Guidelines AES06/01</collab>
<article-title xml:lang=""><![CDATA[Postoperative parathyroid hormone measurement and early discharge after total thyroidectomy Analysis of Australian data and management recommendations]]></article-title>
<source><![CDATA[ANZ J Surg]]></source>
<year>2007</year>
<volume>77</volume>
<page-range>199-202</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[Landry]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
<name>
<surname><![CDATA[Grubbs]]></surname>
<given-names><![CDATA[EG]]></given-names>
</name>
<name>
<surname><![CDATA[Hernandez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[MI]]></given-names>
</name>
<name>
<surname><![CDATA[Hansen]]></surname>
<given-names><![CDATA[MO]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Perrier]]></surname>
<given-names><![CDATA[ND]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Predictable criteria for selective, rather than routine, calcium supplementation following thyroidectomy]]></article-title>
<source><![CDATA[Arch Surg]]></source>
<year>2012</year>
<volume>147</volume>
<page-range>338-44</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[Cayo]]></surname>
<given-names><![CDATA[AK]]></given-names>
</name>
<name>
<surname><![CDATA[Yen]]></surname>
<given-names><![CDATA[TWF]]></given-names>
</name>
<name>
<surname><![CDATA[Misustin]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Wall]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Wilson]]></surname>
<given-names><![CDATA[SD]]></given-names>
</name>
<name>
<surname><![CDATA[Evans]]></surname>
<given-names><![CDATA[DB]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[TS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Predicting the need for calcium and calcitriol supplementation after total thyroidectomy Results of a prospective, randomized study]]></article-title>
<source><![CDATA[Surgery]]></source>
<year>2012</year>
<volume>152</volume>
<page-range>1059-67</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[Grodski]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Serpell]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evidence for the role of perioperative PTH measurement after total thyroidectomy as a predictor of hypocalcemia]]></article-title>
<source><![CDATA[World J Surg]]></source>
<year>2008</year>
<volume>32</volume>
<page-range>1367-73</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grodski]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Farrell]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Early postoperative PTH levels as a predictor of hypocalcaemia and facilitating safe early discharge after total thyroidectomy]]></article-title>
<source><![CDATA[Asian J Surg]]></source>
<year>2007</year>
<volume>30</volume>
<page-range>178-82</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carr]]></surname>
<given-names><![CDATA[AA]]></given-names>
</name>
<name>
<surname><![CDATA[Yen]]></surname>
<given-names><![CDATA[TW]]></given-names>
</name>
<name>
<surname><![CDATA[Fareau]]></surname>
<given-names><![CDATA[GG]]></given-names>
</name>
<name>
<surname><![CDATA[Cayo]]></surname>
<given-names><![CDATA[AK]]></given-names>
</name>
<name>
<surname><![CDATA[Misustin]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Evans]]></surname>
<given-names><![CDATA[DB]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[TS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A single parathyroid hormone level obtained 4 hours after total thyroidectomy predicts the need for postoperative calcium supplementation]]></article-title>
<source><![CDATA[J Am Coll Surg]]></source>
<year>2014</year>
<volume>219</volume>
<page-range>757-64</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sywak]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Palazzo]]></surname>
<given-names><![CDATA[FF]]></given-names>
</name>
<name>
<surname><![CDATA[Yeh]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Wilkinson]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Snook]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Sidhu]]></surname>
<given-names><![CDATA[SB]]></given-names>
</name>
<name>
<surname><![CDATA[Delbridge]]></surname>
<given-names><![CDATA[LW]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Parathyroid hormone assay predicts hypocalcaemia after total thyroidectomy]]></article-title>
<source><![CDATA[ANZ J Surg]]></source>
<year>2007</year>
<volume>77</volume>
<page-range>667-70</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[AlQahtani]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Parsyan]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Payne]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Tabah]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Parathyroid hormone levels 1 hour after thyroidectomy an early predictor of postoperative hypocalcemia]]></article-title>
<source><![CDATA[Can J Surg]]></source>
<year>2014</year>
<volume>57</volume>
<page-range>237-40</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sahli]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Najafian]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Kahan]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Schneider]]></surname>
<given-names><![CDATA[EB]]></given-names>
</name>
<name>
<surname><![CDATA[Zeiger]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Mathur]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[One-hour postoperative parathyroid hormone levels do not reliably predict hypocalcemia after thyroidectomy]]></article-title>
<source><![CDATA[World J Surg]]></source>
<year>2018</year>
<volume>42</volume>
<page-range>2128-33</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cannizzaro]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Okatyeva]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Lo Bianco]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Caruso]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Buffone]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hypocalcemia after thyroidectomy iPTH levels and iPTH decline are predictive? Retrospective cohort study]]></article-title>
<source><![CDATA[Ann Med Surg]]></source>
<year>2018</year>
<volume>30</volume>
<page-range>42-5</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Chaudhary]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Durga]]></surname>
<given-names><![CDATA[CK]]></given-names>
</name>
<name>
<surname><![CDATA[Naskar]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Validation of intra-operative parathyroid hormone and its decline as early predictors of hypoparathyroidism after total thyroidectomy A prospective cohort study]]></article-title>
<source><![CDATA[Int J Surg]]></source>
<year>2015</year>
<volume>18</volume>
<page-range>150-3</page-range></nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Karatzanis]]></surname>
<given-names><![CDATA[AD]]></given-names>
</name>
<name>
<surname><![CDATA[Ierodiakonou]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Fountakis]]></surname>
<given-names><![CDATA[ES]]></given-names>
</name>
<name>
<surname><![CDATA[Velegrakis]]></surname>
<given-names><![CDATA[SG]]></given-names>
</name>
<name>
<surname><![CDATA[Doulaptsi]]></surname>
<given-names><![CDATA[MV]]></given-names>
</name>
<name>
<surname><![CDATA[Prokopakis]]></surname>
<given-names><![CDATA[EP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Postoperative day 1 levels of parathyroid as predictor of occurrence and severity of hypocalcaemia after total thyroidectomy]]></article-title>
<source><![CDATA[Head Neck]]></source>
<year>2018</year>
<volume>40</volume>
<page-range>1040-5</page-range></nlm-citation>
</ref>
<ref id="B32">
<label>32</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Del Rio]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bernáldez]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Del Palacio]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Giráldez]]></surname>
<given-names><![CDATA[CV]]></given-names>
</name>
<name>
<surname><![CDATA[Lecumberri]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Valor predictivo de la paratohormona en la hipocalcemia postiroidectomía]]></article-title>
<source><![CDATA[Acta Otorrinolaringologica]]></source>
<year>2011</year>
<volume>62</volume>
<page-range>265-73</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>33</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferlay]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Soerjomataram]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Dikshit]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Eser]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Mathers]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Rebelo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cancer Incidence and Mortality Worldwide sources, methods and major patterns in GLOBOCAN 2012]]></article-title>
<source><![CDATA[Int J Cancer]]></source>
<year>2015</year>
<volume>136</volume>
<page-range>E359-86</page-range></nlm-citation>
</ref>
<ref id="B34">
<label>34</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Falch]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Hornig]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Senne]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Braun]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Konigsrainer]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Kirschniak]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Muller]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factors predicting hypocalcemia after total thyroidectomy - A retrospective cohort analysis]]></article-title>
<source><![CDATA[Int J Surg]]></source>
<year>2018</year>
<volume>55</volume>
<page-range>46-50</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
