<?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>1812-9528</journal-id>
<journal-title><![CDATA[Memorias del Instituto de Investigaciones en Ciencias de la Salud]]></journal-title>
<abbrev-journal-title><![CDATA[Mem. Inst. Investig. Cienc. Salud]]></abbrev-journal-title>
<issn>1812-9528</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Investigaciones en Ciencias de la Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1812-95282016000300034</article-id>
<article-id pub-id-type="doi">10.18004/mem.iics/1812-9528/2016.014(03)34-043</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto de la pre-medicación con alprazolam por vía oral sobre la presión arterial en pacientes hipertensos en cirugías electivas: un ensayo clínico]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of premedication with alprazolam orally administered on blood pressure in hypertensive patients in elective surgeries: a clinical trial]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maidana]]></surname>
<given-names><![CDATA[Walter Delgado]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carduz]]></surname>
<given-names><![CDATA[Evanhy Vega]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Asunción Facultad de Ciencias Médicas Departamento Central de Anestesiología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>14</volume>
<numero>3</numero>
<fpage>34</fpage>
<lpage>43</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S1812-95282016000300034&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S1812-95282016000300034&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S1812-95282016000300034&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Los ansiolíticos como el alprazolam podrían colaborar en mantener la presión arterial en pacientes hipertensos que deberán someterse a cirugía. El objetivo fue evaluar eficacia de la pre-medicación con alprazolam vía oral para mantener estables cifras de presión arterial en hipertensos programados para cirugías. Ensayo clínico aleatorizado, controlado y a doble ciego. Los pacientes fueron asignados al grupo que recibió alprazolam como premedicación (Grupo A) o al grupo control (Grupo P) que no lo recibió. Se registraron la variación de la presión arterial media (PAM), frecuencia cardíaca (FC) y frecuencia respiratoria (FR) entre el día previo y el día de la cirugía. En el Grupo A se encontró un aumento promedio de la PAM de 0,27 mmHg y en el grupo P de 7,52 mmHg (p= 0,0035). La variación promedio de la FC fue de 2,13 latidos por minuto en el Grupo A y de 5,38 latidos por minuto en el Grupo P (p= 0,0008); y de la frecuencia respiratoria fue de -2,29 respiraciones por minuto en el Grupo A y de -1,18 respiraciones por minuto en el Grupo P (p=0,206).Se halló un aumento significativo de la PAM y la FC en el Grupo P con respecto al Grupo A, no así de la FR. La administración del alprazolam como pre-medicación operatoria evita aumentos significativos de la presión arterial y de la frecuencia cardíaca en los pacientes hipertensos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Anxiolytics such as alprazolam may help to maintain blood pressure in hypertensive patients who undergo surgery. The aim was to evaluate efficacy of pre-medication with alprazolam orally administered to maintain stable blood pressure in hypertensives programmed for surgeries. Randomized, controlled, double-blind clinical trial. Patients were assigned to the group that received alprazolam as premedication (Group A) or to the control group (Group P) which did not receive it. The variation of the mean arterial pressure (MAP), heart rate (HR) and respiratory rate (RR) were recorded between the day before and the day of the surgery. In Group A, we found an average increase in MAP of0.27 mmHg and in the Group P 7.52 mmHg (p = 0.0035). The mean HR variation was 2.13 beats per minute in Group A and 5.38 beats per minute in Group P (p = 0.0008). The mean RR variantion was -2.29 breaths per minute in Group A and -1.18 breaths per minute in Group P (p = 0.206).There was a significant increase in the MAP and HR in Group P compared to Group A, but not in the RR. The administration of alprazolam as an operative pre-medication avoids significant increases in blood pressure and heart rate in hypertensive patients.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[alprazolam]]></kwd>
<kwd lng="es"><![CDATA[ansiedad]]></kwd>
<kwd lng="es"><![CDATA[periodo preoperatorio]]></kwd>
<kwd lng="es"><![CDATA[presión arterial]]></kwd>
<kwd lng="en"><![CDATA[alprazolam]]></kwd>
<kwd lng="en"><![CDATA[anxiety]]></kwd>
<kwd lng="en"><![CDATA[preoperative period]]></kwd>
<kwd lng="en"><![CDATA[blood pressure]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Survey of cancellation rate of hypertensive patients undergoing anaesthesia and elective surgery]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dix]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Howell]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Br J Anaesth]]></source>
<year>2001</year>
<volume>86</volume>
<page-range>789-93</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Cardiovascular events in the postoperative care unit]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rose]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Marsha]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[DeBoer]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<source><![CDATA[Anesthesiology]]></source>
<year>1996</year>
<volume>84</volume>
<page-range>772-8</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Pre-existing medical conditions as predictors of adverse events in day case surgery]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chung]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Mezei]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Tong]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Br J Anaesth]]></source>
<year>1999</year>
<volume>83</volume>
<page-range>262-70</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Risk factors for cardiovascular death after elective surgery under general anaesthesia]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Howell]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sear]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Yeates]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Goldcare]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Sear]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Foex]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<source><![CDATA[Br J Anaesth]]></source>
<year>1998</year>
<volume>80</volume>
<page-range>14-9</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Hypertension and anaesthesia]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bavry]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Coriat]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<source><![CDATA[EMC- Anesthèsie Réanimation]]></source>
<year>2004</year>
<volume>1</volume>
<page-range>25-53</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Preoperatory anxiety at the General Hospital of Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruiz-López]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz-Cuevas]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Olivero-Vásquez]]></surname>
<given-names><![CDATA[YI]]></given-names>
</name>
<name>
<surname><![CDATA[Islas-Saucillo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev Med Hosp Gen Mex]]></source>
<year>2000</year>
<volume>63</volume>
<page-range>231-367</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Ansiedad preoperatoria en procedimientos anestésicos]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valenzuela]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Barrera]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Ornella]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Cir Cir]]></source>
<year>2010</year>
<volume>78</volume>
<page-range>151-6</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Surgery information reduces anxiety in the pre-operative period]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kiyohara]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Kayano]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Yamamoto]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Inagaki]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ogawa]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev Hosp Clin Fac Med Sao Paulo]]></source>
<year>2004</year>
<volume>59</volume>
<page-range>51-6</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Preoperative anxiolysis and postoperative recovery in women undergoing abdominal hysterectomy]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kain]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Sevarino]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Rinder]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Pincus]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Alexander]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Ivy]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Heninger]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<source><![CDATA[Anesthesiology]]></source>
<year>2001</year>
<volume>94</volume>
<page-range>415-22</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Preoperative anxiety and pain sensitivity are independent predictors of propofol and sevoflurane requirements in general anaesthesia]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kil]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Chung]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Seo]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Hong]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Br J Anaesth]]></source>
<year>2012</year>
<volume>108</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>119-25</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Antianxiety treatment in patients with excessive hypertension]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grossman]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Nadler]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Sharabi]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Thaler]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Shachar]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Shamiss]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Am J Hypertens]]></source>
<year>2005</year>
<volume>18</volume>
<page-range>1174-7</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Comparison of alprazolam versus captopril in high blood pressure A randomized controlled trial]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yilmaz]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Pekdemir]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Tural]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
<name>
<surname><![CDATA[Uygun]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Blood Press]]></source>
<year>2011</year>
<volume>20</volume>
<page-range>239-43</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chobanian]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bakris]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Black]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Cushman]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Green]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Izzo]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[JAMA]]></source>
<year>2003</year>
<volume>289</volume>
<numero>19</numero>
<issue>19</issue>
<page-range>2560-71</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Age-specific relevance of usual blood pressure to vascular mortality a meta-analysis of individual data for one million adults in 61 prospective studies]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lewington]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Clarke]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Quizilbash]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Peto]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Collins]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<source><![CDATA[Lancet]]></source>
<year>2002</year>
<volume>60</volume>
<page-range>1903-13</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effect of benzodiazepine hypnotic triazolam on relationship of blood pressure and PaCO2 to cerebral blood flow during human non-rapid eye movement sleep]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hiroki]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kajimura]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Uema]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Ogawa]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Nishikawa]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Kato]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Watanabe]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<source><![CDATA[J Neurophysiol]]></source>
<year>2006</year>
<volume>95</volume>
<page-range>2293-303</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hulley]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Browner]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Newman]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cálculo de la potencia y del tamaño de la muestra]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Hulley]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Diseño de investigaciones clínicas]]></source>
<year>2008</year>
<page-range>95</page-range><publisher-loc><![CDATA[Philadelfia ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hurlé]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fármacos ansiolíticos y sedantes]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Florez]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Farmacología humana]]></source>
<year>1997</year>
<edition>3ra</edition>
<page-range>455-64</page-range><publisher-loc><![CDATA[Barcelona ]]></publisher-loc>
<publisher-name><![CDATA[Masson]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The metabolic response to stress: an overview and update]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Biebuyck]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
</person-group>
<source><![CDATA[Anesthesiology]]></source>
<year>1990</year>
<page-range>308-27</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Preoperative anxiety and intraoperative anesthetic requirements]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Maranets]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Kain]]></surname>
<given-names><![CDATA[ZN]]></given-names>
</name>
</person-group>
<source><![CDATA[Anesth Analg]]></source>
<year>1999</year>
<volume>89</volume>
<page-range>1346-51</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The Visual Analog Scale Allows Effective Measurement of Preoperative Anxiety and Detection of Patients' Anesthetic Concerns]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kindler]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Harms]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Anesth Analg]]></source>
<year>2000</year>
<volume>90</volume>
<page-range>706-12</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Ansiedad preoperatoria en el Hospital general de México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruiz]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev Med Hosp Gen Mex]]></source>
<year>2000</year>
<volume>63</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>231-6</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Preoperative evaluation of the patient with hypertension]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fleisher]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<source><![CDATA[JAMA]]></source>
<year>2002</year>
<volume>287</volume>
<page-range>2043-6</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Estudio de la ansiedad prequirúrgica, ginecológica y oftálmica en relación con la administración o no de premedicación ansiolítica]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ornaque]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Carrero]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Villalonga]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Roux]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Salvador]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev Esp Anestesiol Reanim]]></source>
<year>2000</year>
<volume>47</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>151-6</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Comparison between alprazolam and hydroxyzine for oral premedication]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Franssen]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Can J Anaesth]]></source>
<year>1993</year>
<volume>40</volume>
<page-range>13-7</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Preoperative alprazolam reduces anxiety in ambulatory surgery patients a comparison with oral midazolam]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Witte]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Algret]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Sesler]]></surname>
<given-names><![CDATA[DI]]></given-names>
</name>
</person-group>
<source><![CDATA[Anesthesia and Analgesia]]></source>
<year>2002</year>
<volume>95</volume>
<page-range>1601-6</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Psychosocial Factors and Progression From Prehypertension to Hypertension or Coronary Heart Disease]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Player]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[King]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Mainous]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Geesey]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Annals of Family Medicine]]></source>
<year>2007</year>
<volume>5</volume>
<page-range>403-11</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Residual lifetime for developing hypertension in middle-aged women and men The Framingham Heart Study]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vasan]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Beiser]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Seshadri]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Larson]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kannel]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[D´Agostino]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Levy]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[JAMA]]></source>
<year>2002</year>
<volume>287</volume>
<page-range>1003-10</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Fisiopatología del miocardio isquémico Importancia de la frecuencia cardiaca]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moreu-Burgosa]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Macaya]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev Esp Cardiol Supl]]></source>
<year>2007</year>
<volume>7</volume>
<page-range>19-25</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="">
<collab>Instituto Nacional de Seguridad e Higiene en el Trabajo. Ministerio de Trabajo y Asuntos Sociales</collab>
<source><![CDATA[Fisiología del Estrés]]></source>
<year></year>
<publisher-loc><![CDATA[España ]]></publisher-loc>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
