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In fact&#44; elderly patients represent between 42&#37; and 52&#37; of admissions to the ICU&#44; and almost 60&#37; of the days spent in the ICU&#46;<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> By extending these data to mortality&#44; we can assume that elderly patients admitted to the ICU will have a poorer prognosis than younger patients&#46; However&#44; there are studies that demonstrate that the prognosis of these patients is more closely linked to the severity of the acute disease than to chronological age itself&#46;<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">5</span></a> For this reason&#44; a number of studies have indicated that age is not an actual predictor of the prognosis of these patients in the ICU&#44; given that the most elderly patients who survive have a better prognosis than the younger patients&#46;<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">6</span></a></p><p id="par0035" class="elsevierStylePara elsevierViewall">With this background&#44; 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Of these&#44; 707 patients remained hospitalized in the ICU for &#8805;14 days&#44; representing 11&#46;6&#37; of all admitted patients and forming our study population&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">The analysis of patient characteristics according to the 3 pre-established age groups showed no significant differences in hospital stay according to age &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;183&#41; &#40;<a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#41;&#44; despite the fact that the 50&#8211;70 year group had a longer pre-ICU stay&#46; In the younger patient group&#44; there was a larger proportion of trauma patients &#40;26&#46;4&#37; compared with the other groups&#44; where the rates were 9&#46;9&#37; and 8&#46;2&#37;&#41;&#46; The group with the oldest patients&#44; whose severity at admission was greatest&#44; underwent more tracheotomies &#40;74&#46;7&#37;&#41; and HDF &#40;10&#46;8&#37;&#41;&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><p id="par0060" class="elsevierStylePara elsevierViewall">Nevertheless&#44; given that there were significant differences in APACHE II&#44; the pre-ICU stay&#44; origin&#44; tracheotomy and HDF among the 3 age groups&#44; an additional analysis was performed to rule out whether these end-points were individually and indirectly influencing these results&#46; The ANOVA results indicated that there were no significant differences in the extended stay by age group&#44; in relation to the above-mentioned variables&#46; Therefore&#44; when analyzing the influence of factors such as APACHE II&#44; the pre-ICU stay&#44; origin&#44; tracheotomy and HDF&#44; there was no relationship between the length of stay and patient age&#46;</p><p id="par0065" class="elsevierStylePara elsevierViewall">Lastly&#44; we analyzed mortality in the ICU&#44; hospital and at 1 year after hospital discharge&#44; observing that in the group with the oldest patients the percentage was higher than in the other 2 age groups&#44; with the mortality being greater&#44; as expected&#44; in the ICU&#46; Therefore&#44; among the patients whose stay was &#8805;14 days&#44; the oldest patients had the highest mortality&#46; We can therefore conclude that there is a direct relationship between age and mortality in these patients&#46;</p></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Discussion</span><p id="par0070" class="elsevierStylePara elsevierViewall">The main finding of this study is that we found no differences in hospital stay as a function of age&#44; although the oldest patients did have higher mortality&#46;</p><p id="par0075" class="elsevierStylePara elsevierViewall">In most developed countries&#44; the elderly population is increasing both in absolute numbers and in proportion to the young&#46; It is therefore expected that an increasing number of patients older than 80 years will be admitted to our ICU&#46; A number of studies have demonstrated that advanced age is a risk factor for dying in the ICU&#59; however&#44; they also highlight that chronological age itself should never be considered a criterion for refusing admission to the ICU&#46; Instead&#44; the disease history and the disease itself play a more relevant role than age itself&#46; For this reason&#44; an increasing number of elderly patients are admitted to the ICU&#46;<a class="elsevierStyleCrossRefs" href="#bib0040"><span class="elsevierStyleSup">8&#44;9</span></a> It is also true that these much older patients receive less intensive treatments when admitted than young patients with similar scores on the severity scales&#46; This could be the result of considering the potential harmful effects that aggressive treatments can cause these elderly patients or&#44; simply&#44; the result of considering economic factors&#46; Intensive treatment is therefore more likely to be limited in elderly patients when they are admitted to the ICU&#46; Nevertheless&#44; doubts often arise about the suitability of continuing treatment when an elderly patient in the ICU becomes chronically ill&#46; Higgins et al&#46; conducted a line of research that attempted to understand the indicators that explain an extended stay in ICU&#46; They concluded that disease severity was a predictive factor for extended stay&#59; that age was a less relevant factor than the presence of infection or dependence on ventilation at 24<span class="elsevierStyleHsp" style=""></span>hours&#59; and that a longer hospital stay before admission to the ICU and the lack of a dedicated physician in the ICU increased the likelihood that the patient stayed longer in this unit&#46;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">10</span></a></p><p id="par0080" class="elsevierStylePara elsevierViewall">Therefore&#44; we believe it necessary to implement quality care management systems because these would benefit the healthcare system and society in general&#46;<a class="elsevierStyleCrossRef" href="#bib0055"><span class="elsevierStyleSup">11</span></a></p><p id="par0085" class="elsevierStylePara elsevierViewall">According to the above&#44; age should not be used for the triage of patients who should be admitted to the ICU&#46; Rather&#44; the decision to admit them should be based on their comorbidities&#44; the severity of the critical disease&#44; the patient&#39;s previous functional state and&#44; lastly&#44; the patient&#39;s preferences concerning life support treatment and their advance directives &#40;living will or advance directives document&#41;&#46;<a class="elsevierStyleCrossRefs" href="#bib0060"><span class="elsevierStyleSup">12&#44;13</span></a> However&#44; we must consider that&#44; in our setting&#44; the proportion of elderly patients admitted to the ICU is very low&#59; there could therefore be a bias of only admitting elderly patients with better prior conditions&#46;</p><p id="par0090" class="elsevierStylePara elsevierViewall">The limitations of this study include the fact that our study was performed at a single center&#44; which as a tertiary hospital serves as a reference for other hospitals and could have a selection bias&#46; Our results might therefore not be applicable to other ICUs&#46; Our results are not applicable&#44; for example&#44; to healthcare systems that have intermediate care or other chronic ventilation type units in which patients can be treated&#44; with the resulting positive impact on the mean ICU stay of patients&#46; There is also another factor that we have not considered&#58; the limitation of the treatment performed&#44; which is subject to many variations that will depend not only on the doctor&#39;s opinion but also that of the family&#46; Another issue we should not ignore is that although the number of patients included in our study is relatively large&#44; given the scarcity of this type of patient&#44; from the statistical point of view it remains a very limited sample&#44; which means that the precision of the estimates is lower&#46; We also do not know&#44; and the issue remains unanswered in this study&#44; if when faced with a similar disease the length of stay is extended as the patient age increases&#46;</p><p id="par0095" class="elsevierStylePara elsevierViewall">Finally&#44; another factor we have not considered when performing this study is the quality of life before the stay or after experiencing an extended stay in the ICU&#46; Numerous studies have demonstrated that the quality of life of the patients who survive is fairly good&#46;<a class="elsevierStyleCrossRefs" href="#bib0070"><span class="elsevierStyleSup">14&#44;15</span></a></p></span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Conclusions</span><p id="par0100" class="elsevierStylePara elsevierViewall">In conclusion&#44; among the patients who required an extended stay in our ICU&#44; we found no differences in hospital stay as a function of age&#44; although the oldest patients did have higher mortality&#46; However&#44; these results are difficult to extrapolate considering the limitations of the study&#46; Further studies are therefore warranted to determine whether these factors influence the outcomes of critical disease&#46;</p></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Conflicts of Interest</span><p id="par0105" class="elsevierStylePara elsevierViewall">The authors declare that they have no conflicts of interest&#46;</p></span></span>"
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          "identificador" => "xres321894"
          "titulo" => array:5 [
            0 => "Abstract"
            1 => "Backgrounds and objective"
            2 => "Patients and method"
            3 => "Results"
            4 => "Conclusions"
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          "titulo" => array:5 [
            0 => "Resumen"
            1 => "Fundamentos y objetivo"
            2 => "Pacientes y m&#233;todo"
            3 => "Resultados"
            4 => "Conclusiones"
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          "identificador" => "xpalclavsec304253"
          "titulo" => "Palabras clave"
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        4 => array:2 [
          "identificador" => "sec0015"
          "titulo" => "Background"
        ]
        5 => array:2 [
          "identificador" => "sec0020"
          "titulo" => "Patients and method"
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        6 => array:2 [
          "identificador" => "sec0025"
          "titulo" => "Results"
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        7 => array:2 [
          "identificador" => "sec0030"
          "titulo" => "Discussion"
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          "titulo" => "Conclusions"
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          "identificador" => "sec0040"
          "titulo" => "Conflicts of Interest"
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          "titulo" => "References"
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    "pdfFichero" => "main.pdf"
    "tienePdf" => true
    "fechaRecibido" => "2013-06-14"
    "fechaAceptado" => "2013-09-15"
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        0 => array:4 [
          "clase" => "keyword"
          "titulo" => "Keywords"
          "identificador" => "xpalclavsec304254"
          "palabras" => array:3 [
            0 => "Stay"
            1 => "Hospital mortality"
            2 => "Intensive care unit"
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      "es" => array:1 [
        0 => array:4 [
          "clase" => "keyword"
          "titulo" => "Palabras clave"
          "identificador" => "xpalclavsec304253"
          "palabras" => array:3 [
            0 => "Estancia"
            1 => "Mortalidad hospitalaria"
            2 => "Unidad de cuidados intensivos"
          ]
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    "resumen" => array:2 [
      "en" => array:2 [
        "titulo" => "Abstract"
        "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0010">Backgrounds and objective</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">The true role of the age in the prognosis of patients admitted in the ICU is not known&#46; This work analyzes the influence of age on the duration of the stay and mortality of patients who remain in an Intensive Care Unit &#40;ICU&#41; for a long period of time&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0015">Patients and method</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">A retrospective&#44; observational study was performed with patients hospitalized &#8805;14 days in the ICU&#46; Three age groups were established&#58; &#60;50&#44; 50&#8211;70 and &#62;70 years&#46; The influence of different factors on the relationship existing between stay and age was studied&#46; In addition&#44; stay and survival in the ICU&#44; hospital and at one year were analyzed based on the groups&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0020">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">A total of 707 patients were included&#46; Significant differences in hospital stay &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;183&#41; were not found among the three groups&#46; The older group&#44; which showed greater severity on admission&#44; was the group undergoing the most tracheostomies &#40;74&#46;7&#37;&#41; and extrarenal purification &#40;HDF&#41; &#40;10&#46;8&#37;&#41;&#46; When the influence of factors such as APACHE II&#44; pre-ICU stay&#44; origin&#44; tracheostomy or hemodiafiltration &#40;HDF&#41; were analyzed&#44; no relation was found between stay and age of patient&#46; Survival decreased as age increased&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0025">Conclusions</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">No differences were found in stay based on age&#44; although a difference was found in mortality&#46;</p>"
      ]
      "es" => array:2 [
        "titulo" => "Resumen"
        "resumen" => "<span class="elsevierStyleSectionTitle" id="sect0035">Fundamentos y objetivo</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">No se conoce cu&#225;l es el verdadero papel de la edad en el pron&#243;stico de los pacientes ingresados en las Unidades de Cuidados Intensivos &#40;UCI&#41;&#46; En este trabajo se analiza la influencia de la edad en la duraci&#243;n de la estancia y en la mortalidad de los pacientes que permanecen de forma prolongada en una UCI&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0040">Pacientes y m&#233;todo</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Estudio retrospectivo observacional&#44; con pacientes ingresados &#8805;14 d&#237;as en UCI&#46; Se establecieron 3 grupos de edad&#58; menores de 50&#44; entre 50&#8211;70 y mayores de 70 a&#241;os&#46; Se estudi&#243; la influencia de diferentes factores en la relaci&#243;n existente entre estancia y edad&#59; adem&#225;s se analiz&#243; la estancia y la supervivencia en las UCI&#44; hospitalaria y al a&#241;o en funci&#243;n de los grupos&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0045">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Se incluyeron 707 pacientes&#46; No se encontraron diferencias significativas entre los 3 grupos en la estancia hospitalaria &#40;<span class="elsevierStyleItalic">p</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#44;183&#41;&#46; El grupo de mayor edad&#44; que presentaba una mayor gravedad al ingreso&#44; fue el que se someti&#243; a m&#225;s traqueotom&#237;as &#40;74&#44;7&#37;&#41; y de depuraci&#243;n extrarrenal &#40;HDF&#41; &#40;10&#44;8&#37;&#41;&#46; Al analizar la influencia de factores tales como el APACHE II&#44; la estancia pre-UCI&#44; la procedencia&#44; la traqueotom&#237;a o las HDF&#44; no se encontr&#243; relaci&#243;n alguna entre la estancia y la edad del paciente&#46; La supervivencia decrec&#237;a a medida que se incrementaba la edad&#46;</p> <span class="elsevierStyleSectionTitle" id="sect0050">Conclusiones</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">No se hallaron diferencias en la estancia en funci&#243;n de la edad&#44; aunque s&#237; en la mortalidad&#46;</p>"
      ]
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    "NotaPie" => array:1 [
      0 => array:2 [
        "etiqueta" => "&#9734;"
        "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Please cite this article as&#58; Santana-Cabrera L&#44; Lorenzo-Torrent R&#44; S&#225;nchez-Palacios M&#44; Mart&#237;n Santana JD&#44; Hern&#225;ndez Hern&#225;ndez JR&#46; Influencia de la edad en la duraci&#243;n de la estancia y en la mortalidad de los pacientes que permanecen de forma prolongada en una Unidad de Cuidados Intensivos&#46; Rev Clin Esp&#46; 2014&#59;214&#58;74&#8211;78&#46;</p>"
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    ]
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          "leyenda" => "<p id="spar0050" class="elsevierStyleSimplePara elsevierViewall"><span class="elsevierStyleItalic">Abbreviations</span>&#58; HDF&#44; hemodiafiltration&#59; ICU&#44; intensive care unit&#59; MV&#44; mechanical ventilation&#46;</p>"
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                  \t\t\t\t"><span class="elsevierStyleItalic">Mortality in hospital&#44; &#37;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">Mortality at 1 year&#44; &#37;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Emergency &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Surgical ward &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Medical ward m&#233;dica &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Gynecological &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Another island &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Others &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">Residence</span></td></tr><tr title="table-row"><td class="td" title="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Resident &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Foreign resident &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Visitor &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">29 &#40;13&#46;4&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">33 &#40;9&#46;9&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">13 &#40;8&#46;2&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">0 &#40;0&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>No&#46; of patients with MV &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">154 &#40;97&#46;5&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">0&#46;730&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">1&#46;04 &#40;0&#46;20&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">1&#46;04 &#40;0&#46;21&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">1&#46;10 &#40;0&#46;31&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">0&#46;014&nbsp;\t\t\t\t\t\t\n
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        "descripcion" => array:1 [
          "en" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Comparative analysis of patient characteristics with stays &#8805;14 days according to age&#46;</p>"
        ]
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      1 => array:5 [
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        "tipo" => "MULTIMEDIATEXTO"
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        "texto" => array:1 [
          "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">What we know&#63;</span><p id="par0010" class="elsevierStylePara elsevierViewall">The age of patients admitted to intensive care units &#40;ICUs&#41; is increasing as the life expectancy of the general population increases&#46; The weight of age in the prognosis of elderly patients admitted to these units is not exactly known&#46; Other factors&#44; such as the severity of the disease&#44; can contribute more significantly to the final outcome of this group of patients&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">What this article provides&#63;</span><p id="par0015" class="elsevierStylePara elsevierViewall">Older patients hospitalized for 14 or more days in the ICU were admitted in more severe condition and underwent more tracheotomies and renal replacement techniques&#46; However&#44; this did not result in a longer hospital stay than in younger patients&#44; although the older patients did have greater mortality&#44; both in the ICU and at 1 year&#46; The study opens the doors to other multicenter studies that compare elderly patients with similar diseases and severity&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">The Editors</p></span></span>"
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    ]
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                    0 => array:2 [
                      "titulo" => "Pron&#243;stico del paciente ingresado en cuidados intensivos seg&#250;n el sexo y la edad"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:6 [
                            0 => "L&#46; Santana Cabrera"
                            1 => "M&#46; S&#225;nchez-Palacios"
                            2 => "E&#46; Hern&#225;ndez Medina"
                            3 => "R&#46; Lorenzo Torrent"
                            4 => "S&#46; Mart&#237;nez Cu&#233;llar"
                            5 => "A&#46; Villanueva Ortiz"
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                        "tituloSerie" => "Med Intensiva"
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                        "paginaFinal" => "165"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/19558936"
                            "web" => "Medline"
                          ]
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              "etiqueta" => "2"
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                0 => array:2 [
                  "contribucion" => array:1 [
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                      "titulo" => "La edad como factor pron&#243;stico en los pacientes que ingresan en una Unidad de Cuidados Intensivos"
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                        0 => array:2 [
                          "etal" => false
                          "autores" => array:4 [
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                            1 => "M&#46; S&#225;nchez-Palacios"
                            2 => "E&#46; Hern&#225;ndez Medina"
                            3 => "M&#46; Garc&#237;a Martul"
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                    0 => array:1 [
                      "Revista" => array:4 [
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              "etiqueta" => "3"
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                      "autores" => array:1 [
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                            0 => "L&#46; Santana Cabrera"
                            1 => "M&#46; S&#225;nchez-Palacios"
                            2 => "M&#46; Garc&#237;a Martul"
                            3 => "E&#46; Hern&#225;ndez Medina"
                          ]
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                    0 => array:1 [
                      "Revista" => array:5 [
                        "tituloSerie" => "Rev Clin Esp"
                        "fecha" => "2008"
                        "volumen" => "208"
                        "paginaInicial" => "476"
                        "link" => array:1 [
                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/19000482"
                            "web" => "Medline"
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              "identificador" => "bib0020"
              "etiqueta" => "4"
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                0 => array:2 [
                  "contribucion" => array:1 [
                    0 => array:2 [
                      "titulo" => "Intensive care 1980-1995&#58; Change in patient characteristics&#44; nursing workload and outcome"
                      "autores" => array:1 [
                        0 => array:2 [
                          "etal" => false
                          "autores" => array:2 [
                            0 => "S&#46;M&#46; Jakob"
                            1 => "H&#46;U&#46; Rothen"
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                    ]
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                  "host" => array:1 [
                    0 => array:1 [
                      "Revista" => array:6 [
                        "tituloSerie" => "Intensive Care Med"
                        "fecha" => "1997"
                        "volumen" => "23"
                        "paginaInicial" => "1165"
                        "paginaFinal" => "1170"
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                          0 => array:2 [
                            "url" => "https://www.ncbi.nlm.nih.gov/pubmed/9434923"
                            "web" => "Medline"
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Journal Information
Vol. 214. Issue 2.
Pages 74-78 (March 2014)
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Vol. 214. Issue 2.
Pages 74-78 (March 2014)
Brief Original
Influence of age in the duration of the stay and mortality of patients who remain in an Intensive Care Unit for a prolonged time
Influencia de la edad en la duración de la estancia y en la mortalidad de los pacientes que permanecen de forma prolongada en una Unidad de Cuidados Intensivos
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L. Santana-Cabreraa,
Corresponding author
lsancabx@gobiernodecanarias.org

Corresponding author.
, R. Lorenzo-Torrenta, M. Sánchez-Palaciosa, J.D. Martín Santanab, J.R. Hernández Hernándezb
a Unidad de Cuidados Intensivos, Hospital Universitario Insular de Gran Canaria, Las Palmas de Gran Canaria, Spain
b Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
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Table 1. Comparative analysis of patient characteristics with stays ≥14 days according to age.
Abstract
Backgrounds and objective

The true role of the age in the prognosis of patients admitted in the ICU is not known. This work analyzes the influence of age on the duration of the stay and mortality of patients who remain in an Intensive Care Unit (ICU) for a long period of time.

Patients and method

A retrospective, observational study was performed with patients hospitalized ≥14 days in the ICU. Three age groups were established: <50, 50–70 and >70 years. The influence of different factors on the relationship existing between stay and age was studied. In addition, stay and survival in the ICU, hospital and at one year were analyzed based on the groups.

Results

A total of 707 patients were included. Significant differences in hospital stay (p=.183) were not found among the three groups. The older group, which showed greater severity on admission, was the group undergoing the most tracheostomies (74.7%) and extrarenal purification (HDF) (10.8%). When the influence of factors such as APACHE II, pre-ICU stay, origin, tracheostomy or hemodiafiltration (HDF) were analyzed, no relation was found between stay and age of patient. Survival decreased as age increased.

Conclusions

No differences were found in stay based on age, although a difference was found in mortality.

Keywords:
Stay
Hospital mortality
Intensive care unit
Resumen
Fundamentos y objetivo

No se conoce cuál es el verdadero papel de la edad en el pronóstico de los pacientes ingresados en las Unidades de Cuidados Intensivos (UCI). En este trabajo se analiza la influencia de la edad en la duración de la estancia y en la mortalidad de los pacientes que permanecen de forma prolongada en una UCI.

Pacientes y método

Estudio retrospectivo observacional, con pacientes ingresados ≥14 días en UCI. Se establecieron 3 grupos de edad: menores de 50, entre 50–70 y mayores de 70 años. Se estudió la influencia de diferentes factores en la relación existente entre estancia y edad; además se analizó la estancia y la supervivencia en las UCI, hospitalaria y al año en función de los grupos.

Resultados

Se incluyeron 707 pacientes. No se encontraron diferencias significativas entre los 3 grupos en la estancia hospitalaria (p=0,183). El grupo de mayor edad, que presentaba una mayor gravedad al ingreso, fue el que se sometió a más traqueotomías (74,7%) y de depuración extrarrenal (HDF) (10,8%). Al analizar la influencia de factores tales como el APACHE II, la estancia pre-UCI, la procedencia, la traqueotomía o las HDF, no se encontró relación alguna entre la estancia y la edad del paciente. La supervivencia decrecía a medida que se incrementaba la edad.

Conclusiones

No se hallaron diferencias en la estancia en función de la edad, aunque sí en la mortalidad.

Palabras clave:
Estancia
Mortalidad hospitalaria
Unidad de cuidados intensivos

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