Características, evolución clínica y factores asociados a la mortalidad en UCI de los pacientes críticos infectados por SARS-CoV-2 en España: estudio prospectivo, de cohorte y multicéntrico / Patient characteristics, clinical course and factors associated to ICU mortality in critically ill patients infected with SARS-CoV-2 in Spain: a prospective, cohort, multicentre study

ANTECEDENTES: No se ha reportado plenamente la evolución clínica de los pacientes críticos de COVID-19 durante su ingreso en la unidad de cuidados intensivos (UCI), incluyendo las complicaciones médicas e infecciosas y terapias de soporte, así como su asociación con la mortalidad en ICU. OBJETIVO: El objetivo de este estudio es describir las características clínicas y la evolución de los pacientes ingresados en UCI por COVID-19, y determinar los factores de riesgo de la mortalidad en UCI de dichos pacientes. MÉTODOS: Estudio prospectivo, multi-céntrico y de cohorte, que incluyó a los pacientes críticos de COVID-19 ingresados en 30 UCIs de España y Andorra. Se incluyó a los pacientes consecutivos de 12 de Marzo a 26 de Mayo de 2020 si habían fallecido o habían recibido el alta de la UCI durante el periodo de estudio. Se reportaron los datos demográficos, síntomas, signos vitales, marcadores de laboratorio, terapias de soporte, terapias farmacológicas, y complicaciones médicas e infecciosas, realizándose una comparación entre los pacientes fallecidos y los pacientes dados de alta. RESULTADOS: Se incluyó a un total de 663 pacientes. La mortalidad general en UCI fue del 31% (203 pacientes). Al ingreso en UCI los no supervivientes eran más hipoxémicos [SpO2 sin mascarilla de no reinhalación, de 90 (RIC 83-93) vs 91 (RIC 87-94); p < 0,001] y con mayor puntuación en la escala SOFA - Evaluación de daño orgánico secuencial - [SOFA, 7 (RIC 5-9) vs 4 (RIC 3-7); p < 0,001]. Las complicaciones fueron más frecuentes en los no supervivientes: síndrome de distrés respiratorio agudo (SDRA) (95% vs 89%; p = 0,009), insuficiencia renal aguda (IRA) (58% vs 24%; p < 10−16), shock (42% vs 14%; p < 10−13), y arritmias (24% vs 11%; p < 10−4). Las súper-infecciones respiratorias, infecciones del torrente sanguíneo y los shock sépticos fueron más frecuentes en los no supervivientes (33% vs 25%; p = 0,03, 33% vs 23%; p = 0,01 y 15% vs 3%, p = 10−7), respectivamente. El modelo de regresión multivariable reflejó que la edad estaba asociada a la mortalidad, y que cada año incrementaba el riesgo de muerte en un 1% (95%IC: 1-10, p = 0,014). Cada incremento de 5 puntos en la escala APACHE II predijo de manera independiente la mortalidad [OR: 1,508 (1,081, 2,104), p = 0,015]. Los pacientes con IRA [OR: 2,468 (1,628, 3,741), p < 10−4)], paro cardiaco [OR: 11,099 (3,389, 36,353), p = 0,0001], y shock séptico [OR: 3,224 (1,486, 6,994), p = 0,002] tuvieron un riesgo de muerte incrementado. CONCLUSIONES: Los pacientes mayores de COVID-19 con puntuaciones APACHE II más altas al ingreso, que desarrollaron IRA en grados II o III y/o shock séptico durante la estancia en UCI tuvieron un riesgo de muerte incrementado. La mortalidad en UCI fue del 31%

BACKGROUND: The clinical course of COVID-19 critically ill patients, during their admission in the intensive care unit (UCI), including medical and infectious complications and support therapies, as well as their association with in-ICU mortality has not been fully reported. OBJECTIVE: This study aimed to describe clinical characteristics and clinical course of ICU COVID-19 patients, and to determine risk factors for ICU mortality of COVID-19 patients. METHODS: Prospective, multicentre, cohort study that enrolled critically ill COVID-19 patients admitted into 30 ICUs from Spain and Andorra. Consecutive patients from March 12th to May 26th, 2020 were enrolled if they had died or were discharged from ICU during the study period. Demographics, symptoms, vital signs, laboratory markers, supportive therapies, pharmacological treatments, medical and infectious complications were reported and compared between deceased and discharged patients. RESULTS: A total of 663 patients were included. Overall ICU mortality was 31% (203 patients). At ICU admission non-survivors were more hypoxemic [SpO2 with non-rebreather mask, 90 (IQR 83-93) vs 91 (IQR 87-94); p < 0.001] and with higher sequential organ failure assessment score [SOFA, 7 (IQR 5-9) vs 4 (IQR 3-7); p < 0.001]. Complications were more frequent in non-survivors: acute respiratory distress syndrome (ARDS) (95% vs 89%; p = 0.009), acute kidney injury (AKI) (58% vs 24%; p < 10−16), shock (42% vs 14%; p < 10−13), and arrhythmias (24% vs 11%; p < 10−4). Respiratory super-infection, bloodstream infection and septic shock were higher in non-survivors (33% vs 25%; p = 0.03, 33% vs 23%; p = 0.01 and 15% vs 3%, p = 10−7), respectively. The multivariable regression model showed that age was associated with mortality, with every year increasing risk-of-death by 1% (95%CI: 1-10, p = 0.014). Each 5-point increase in APACHE II independently predicted mortality [OR: 1.508 (1.081, 2.104), p = 0.015]. Patients with AKI [OR: 2.468 (1.628, 3.741), p < 10−4)], cardiac arrest [OR: 11.099 (3.389, 36.353), p = 0.0001], and septic shock [OR: 3.224 (1.486, 6.994), p = 0.002] had an increased risk-of-death. CONCLUSIONS: Older COVID-19 patients with higher APACHE II scores on admission, those who developed AKI grades II or III and/or septic shock during ICU stay had an increased risk-of-death. ICU mortality was 31%

Patient characteristics, clinical course and factors associated to ICU mortality in critically ill patients infected with SARS-CoV-2 in Spain: A prospective, cohort, multicentre study. / Características, evolución clínica y factores asociados a la mortalidad en UCI de los pacientes críticos infectados por SARS-CoV-2 en España: estudio prospectivo, de cohorte y multicéntrico.

BACKGROUND: The clinical course of COVID-19 critically ill patients, during their admission in the intensive care unit (UCI), including medical and infectious complications and support therapies, as well as their association with in-ICU mortality has not been fully reported. OBJECTIVE: This study aimed to describe clinical characteristics and clinical course of ICU COVID-19 patients, and to determine risk factors for ICU mortality of COVID-19 patients. METHODS: Prospective, multicentre, cohort study that enrolled critically ill COVID-19 patients admitted into 30 ICUs from Spain and Andorra. Consecutive patients from March 12th to May 26th, 2020 were enrolled if they had died or were discharged from ICU during the study period. Demographics, symptoms, vital signs, laboratory markers, supportive therapies, pharmacological treatments, medical and infectious complications were reported and compared between deceased and discharged patients. RESULTS: A total of 663 patients were included. Overall ICU mortality was 31% (203 patients). At ICU admission non-survivors were more hypoxemic [SpO2 with non-rebreather mask, 90 (IQR 83 to 93) vs. 91 (IQR 87 to 94); P<.001] and with higher sequential organ failure assessment score [SOFA, 7 (IQR 5 to 9) vs. 4 (IQR 3 to 7); P<.001]. Complications were more frequent in non-survivors: acute respiratory distress syndrome (ARDS) (95% vs. 89%; P=.009), acute kidney injury (AKI) (58% vs. 24%; P<10-16), shock (42% vs. 14%; P<10-13), and arrhythmias (24% vs. 11%; P<10-4). Respiratory super-infection, bloodstream infection and septic shock were higher in non-survivors (33% vs. 25%; P=.03, 33% vs. 23%; P=.01 and 15% vs. 3%, P=10-7), respectively. The multivariable regression model showed that age was associated with mortality, with every year increasing risk-of-death by 1% (95%CI: 1 to 10, P=.014). Each 5-point increase in APACHE II independently predicted mortality [OR: 1.508 (1.081, 2.104), P=.015]. Patients with AKI [OR: 2.468 (1.628, 3.741), P<10-4)], cardiac arrest [OR: 11.099 (3.389, 36.353), P=.0001], and septic shock [OR: 3.224 (1.486, 6.994), P=.002] had an increased risk-of-death. CONCLUSIONS: Older COVID-19 patients with higher APACHE II scores on admission, those who developed AKI grades ii or iii and/or septic shock during ICU stay had an increased risk-of-death. ICU mortality was 31%.

Situación de los cuidados intensivos en España / Intensive care in Spain

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Estructura de las unidades de cuidados intensivos de anestesia: recomendaciones de la Sección de Cuidados Intensivos de la Sociedad Española de Anestesiología, Reanimación y Terapéutica del Dolor (SEDAR) / Structure of the anesthesia intensive care units: recommendations of the Intensive Care Section of the Spanish Society of Anaesthesiology

ANTECEDENTES Y OBJETIVO: Los objetivos de la Sección de Cuidados Intensivos de la Sociedad Española de Anestesiología, Reanimación y Terapéutica del Dolor (SCI-SEDAR) con el presente trabajo son: establecer nuevas recomendaciones adaptando los estándares publicados por el Ministerio de Sanidad y Política Social, y alineadas con las principales guías internacionales, y desarrollar una herramienta de mejora de la calidad y la eficiencia. MATERIALES Y MÉTODO: A lo largo de 2018, 3 miembros de la SCI-SEDAR definieron la metodología, desarrollaron las recomendaciones y seleccionaron al panel de expertos. Debido a la limitada evidencia de buena parte de las recomendaciones y a la importante variabilidad estructural de las unidades de cuidados intensivos de anestesia actuales, se optó por un abordaje Delphi modificado para determinar el grado de consenso. RESULTADOS: Un total de 24 expertos de 21 instituciones constituyeron el grupo de expertos del presente trabajo. Se establecieron 175 recomendaciones sobre 8 apartados, incluyendo 129 con consenso fuerte y 46 con consenso débil. CONCLUSIONES: La SCI-SEDAR estableció las recomendaciones estructurales de las unidades de cuidados intensivos de anestesia que deberán guiar la renovación o la creación de nuevas unidades

BACKGROUND AND OBJECTIVE: In this article, the Intensive Care Section of the Spanish Society of Anesthesiology (SCI-SEDAR) establishes new recommendations based on the standards published by the Ministry of Health, Consumer Affairs and Social Welfare and aligned with the principle international guidelines, and develops a tool to improve quality and efficiency. MATERIALS AND METHOD: Over a 12-month period (2018), 3 members of the SCI-SEDAR defined the methodology, developed the recommendations and selected the panel of experts. Due to the limited evidence available for many of the recommendations and the significant structural differences between existing anesthesia intensive care units, we chose a modified Delphi approach to determine the degree of consensus. RESULTS: The panel consisted of 24 experts from 21 institutions. The group put forward 175 recommendations on 8 sections, including 129 with strong consensus and 46 with weak consensus. CONCLUSIONS: The SCI-SEDAR has established a series of structural recommendations that should be used when renovating or creating new anesthesia intensive care units

Structure of the Anesthesia Intensive Care Units: Recommendations of the Intensive Care Section of the Spanish Society of Anaesthesiology. / Estructura de las unidades de cuidados intensivos de anestesia: recomendaciones de la Sección de Cuidados Intensivos de la Sociedad Española de Anestesiología, Reanimación y Terapéutica del Dolor (SEDAR).

BACKGROUND AND OBJECTIVE: In this article, the Intensive Care Section of the Spanish Society of Anesthesiology (SCI-SEDAR) establishes new recommendations based on the standards published by the Ministry of Health, Consumer Affairs and Social Welfare and aligned with the principle international guidelines, and develops a tool to improve quality and efficiency. MATERIALS AND METHOD: Over a 12-month period (2018), 3 members of the SCI-SEDAR defined the methodology, developed the recommendations and selected the panel of experts. Due to the limited evidence available for many of the recommendations and the significant structural differences between existing anesthesia intensive care units, we chose a modified Delphi approach to determine the degree of consensus. RESULTS: The panel consisted of 24 experts from 21 institutions. The group put forward 175 recommendations on 8 sections, including 129 with strong consensus and 46 with weak consensus. CONCLUSIONS: The SCI-SEDAR has established a series of structural recommendations that should be used when renovating or creating new anesthesia intensive care units.

Respuesta de los autores: Cuidados al final de la vida en las UCI españolas / Reply: End of life care in Spanish intensive care units

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El buen cuidado de pacientes que fallecen en unidades de cuidados intensivos en España. Un estudio basado en indicadores internacionales de calidad asistencial / Good care for patients who die in intensive care units in Spain. A study based on international care quality indicators

Fundamento: Evaluar la calidad de la atención clínica de los pacientes fallecidos en unidades de cuidados intensivos (UCI) españolas a través de las historias clínicas. Metodología: Estudio de cohorte, observacional, retrospectivo, de pacientes que fallecieron en la UCI de una muestra de UCI españolas. El criterio de inclusión fue pacientes mayores de 18 años fallecidos en UCI tras ingreso mínimo de 24h. Se analizaron ingresos consecutivos, sin exclusiones. Se valoraron criterios de excelencia específicos para la UCI mediante los indicadores y medidas de calidad desarrollados por el Robert Wood Johnson Foundation Critical Care Workgroup. Resultados: Se incluyeron 282 pacientes de 15 UCI españolas. Se observó una mediana de 13% de cumplimiento de los indicadores. Casi todas las historias clínicas documentaron la capacidad de decisión del paciente (96%) y la comunicación con la familia (98%) pero solo el 50% contenían un plan u objetivo del cuidado. Sólo dos UCI tenían régimen abierto de visitas de familiares. Estaba mejor documentada la valoración de la disnea (48%) que la del dolor (28%). En trece UCI no había protocolos de retirada de medidas de soporte. En los indicadores de apoyo emocional y apoyo espiritual se observó un cumplimiento inferior al 10%. Conclusiones: La calidad del cuidado del final de vida en las UCI estudiadas puede mejorar. El estudio identifica déficits y señala recursos reales de la práctica clínica a partir de los cuales se puede diseñar un plan de mejora gradual adaptado a cada realidad hospitalaria. El análisis, poco costoso en su realización, coincide con la recomendación unánime de las sociedades profesionales de cuidados intensivos (AU)

Background: To assess the quality of clinical care given to patients who die in intensive care units (ICU) in Spain. Methodos: A retrospective observational cohort study of patients who died in the ICU based on a Spanish sample. Inclusion criteria were patients older than 18 years who died in ICU after a minimum stay of 24 hours. Consecutive admissions without exclusions were analyzed. Excellence criteria in intensive care were assessed by quality indicators and measures, related to end-of-life care, developed by the Robert Wood Johnson Foundation Critical Care Workgroup. Results: Two hundred and eighty-two patients from 15 Spanish ICU were included. A median of 13% was observed in the achievement of the indicators. Almost all clinical records assessed both the patients' decision making capacity (96%) and their communication with families (98%), while a plan of care goals was achieved in only 50% of them. Only two ICU had open visiting policies. Distress assessment (48%) was better than that of pain assessment (28%). The absence of protocol for the withdrawal of life-sustaining treatments was observed in thirteen ICU. The indicators of emotional and spiritual support were achieved in less than 10%. Conclusions: The quality of end-of-life care in the participating ICU needs to be improved. The study identifies shortcomings and indicates existing resources in clinical practice from which a gradual improvement plan, adapted to the situation in each hospital, can be designed. The analysis, inexpensive in its implementation, offers an opportunity for improvement, a goal recommended by most professional societies of intensive care medicine (AU)

[Good care for patients who die in intensive care units in Spain. A study based on international care quality indicators]. / El buen cuidado de pacientes que fallecen en unidades de cuidados intensivos en España. Un estudio basado en indicadores internacionales de calidad asistencial.

BACKGROUND: Good care for patients who die in intensive care should be pursued in the same way that excellence is sought in other clinical aspects. OBJECTIVE: To assess the quality of clinical care given to patients who die in intensive care units (ICU) in Spain. Methodos. A retrospective observational cohort study of patients who died in the ICU based on a Spanish sample. Inclusion criteria were patients older than 18 years who died in ICU after a minimum stay of 24 hours. Consecutive admissions without exclusions were analyzed. Excellence criteria in intensive care were assessed by quality indicators and measures, related to end-of-life care, developed by the Robert Wood Johnson Foundation Critical Care Workgroup. RESULTS: Two hundred and eighty-two patients from 15 Spanish ICU were included. A median of 13% was observed in the achievement of the indicators. Almost all clinical records assessed both the patients' decision making capacity (96%) and their communication with families (98%), while a plan of care goals was achieved in only 50% of them. Only two ICU had open visiting policies. Distress assessment (48%) was better than that of pain assessment (28%). The absence of protocol for the withdrawal of life-sustaining treatments was observed in thirteen ICU. The indicators of emotional and spiritual support were achieved in less than 10%. CONCLUSIONS: The quality of end-of-life care in the participating ICU needs to be improved. The study identifies shortcomings and indicates existing resources in clinical practice from which a gradual improvement plan, adapted to the situation in each hospital, can be designed. The analysis, inexpensive in its implementation, offers an opportunity for improvement, a goal recommended by most professional societies of intensive care medicine. Key words. End-of-life care. Intensive care. Critical care. Palliative care. Quality improvement.

Cuidados Intensivos de Anestesia: recomendaciones de la Sección de Cuidados Intensivos de la Sociedad Española de Anestesiología / Intensive Care of Anaesthesia: recommendations of the Intensive Care Section of the Spanish Society of Anaesthesiology

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Transversus abdominal plane block as a sole anesthetic technique for abdominal wall hematoma drainage / Bloqueo del plano transverso abdominal como única técnica anestésica para el drenaje de un hematoma abdominal

Transversus abdominal plane (TAP) block is a known and useful technique, widely used for postoperative pain management of abdominal wall incisions. During the past years, and following the expansion of ultrasound guided techniques, its use has even gained more adepts. It is usually used as an adjuvant technique, primarily in order to control postoperative pain and reduce opioids consumption. We report the case of an 82 years old patient admitted for drainage of a postoperative abdominal wall hematoma after correction of a McBurney incisional hernia. The corrective surgery had gone on without incident, under general anesthesia with laryngeal mask. Two weeks later, the patient came back to our emergency department with a clear hematoma of the abdominal wall. Surgery was decided. A sole local anesthetic technique was achieved, using a TAP block. The block was performed under ultrasound guidance, using a subcostal approach. The surgery went on without complications. Therefore, TAP block offers a hemodynamic stability, appropriate intra-operative anesthesia and post-surgical analgesia of the abdominal wall (AU)

El bloqueo del plano transverso abdominal (TAP) es una técnica conocida y de demostrada utilidad, ampliamente usada en el contexto del manejo del dolor postoperatorio tras una incisión abdominal. Durante los últimos años, y gracias a la expansión de la ecografía en el ámbito de la anestesia, ha aumentado aún más la frecuencia de su utilización. Es frecuentemente usado como técnica adyuvante para el control del dolor postoperatorio y con el fin de disminuir el consumo de opioides u otros analgésicos. Presentamos el caso de una paciente de 82 años de edad intervenida para drenar un hematoma de pared abdominal tras la corrección de una hernia de McBurney. La herniorrafia había transcurrido sin incidencias, bajo anestesia general con mascarilla laríngea. Dos semanas después, la paciente acude a Urgencias con un hematoma franco en la pared abdominal. Se decidió realizarle un drenaje urgente. Dicho drenaje se realizó utilizando únicamente un TAP block ecoguiado. La cirugía cursó sin incidencias. Consideramos, por ello, que el TAP block ofrece una opción efectiva y hemodinámicamente estable para la anestesia de la pared abdominal, y para el posterior control del dolor postoperatorio (AU)

[Assessment of the impact of pain on work productivity: validation of the Spanish WPAI:Pain questionnaire]. / Valoración de la repercusión del dolor sobre la productividad laboral: validación del cuestionario WPAI:Pain.

BACKGROUND: Health measuring instruments are essential in daily clinical practice. However, a validation process is needed in order to certify the validity and reliability of it. The aim of our study is to validate a questionnaire to assess the consequences of pain in work productivity. METHODS: Based on the Work Productivity and Activity Impairment Questionnaire ­ General Health we have created a modified version called WPAI:Pain in order to be able to measure the consequences of pain in work productivity. The study was conducted following the usual guidelines of test validation, omitting face validity as WPAI:Pain is a modification of an existing questionnaire. Validity and reliability were calculated. RESULTS: A total of 577 questionnaires were obtained in 2 spanish university hospitals. The questionnaire's discriminating power was verified by Mann-Whitney test. Reliability tests were realized, Cronbach's alpha was 0.896 and Guttman split-half was 0.921. Stability was evaluated with a test-retest which was significant. Construct validity was established by Pearson correlation comparing the results of the questionnaire with the pain visual analog scale, which was statistically significant for all values. CONCLUSIONS: The WPAI:Pain questionnaire is a valid instrument for measuring the consequences of pain in work productivity.It is currently the only one validated in Spanish.Major studies are needed in order to establish its universal validity.

Valoración de la repercusión del dolor sobre la productividad laboral: validación del cuestionario WPAI: pain / Assessment of the impact of pain on work productivity: validation of the Spanish WPAI: pain questionnaire

Fundamento: Los instrumentos de medida de salud son esenciales en la actividad clínica diaria. Sin embargo, es necesario un proceso de validación para poder certificar la validez y fiabilidad de los mismos. En la actualidad no existe ninguno que permita evaluar la repercusión del dolor en la productividad laboral de los pacientes. El objetivo de nuestro estudio es validar un cuestionario para evaluar las consecuencias del dolor en dicha productividad. Método: En base al Work Productivity and Activity Impairment Questionnaire - General Health hemos creado una versión modificada denominada WPAI:Pain con el fin obtener un cuestionario que pudiera medir las consecuencias del dolor en la productividad laboral. El estudio se realizó siguiendo las pautas habituales de validación de pruebas, omitiéndose las fases de redacción y validez de contenido ya que se modificaba un cuestionario existente. Resultados: Se obtuvieron 577 cuestionarios en dos hospitales universitarios españoles. Se comprobó la capacidad discriminante del cuestionario mediante prueba de U de Mann-Whitney. Se realizaron los test de fiabilidad obteniéndose un alfa de Cronbach de 0,896 con un test de dos mitades de Guttman de 0,921. Se comprobó la estabilidad con un test-retest estadísticamente significativo. La validez de constructo se estableció mediante correlación de Pearson comparando los resultados del cuestionario con el dolor en escala visual analógica, que resultó estadísticamente significativa para todos los valores. Conclusiones: El cuestionario WPAI:Pain es un instrumento de medida válido para determinar las consecuencias del dolor en la productividad laboral de los pacientes, siendo el único validado en español. Sin embargo, se requieren estudios de mayor envergadura para poder confirmar una validez universal (AU)

Background: Health measuring instruments are essential in daily clinical practice. However, a validation process is needed in order to certify the validity and reliability of it. The aim of our study is to validate a questionnaire to assess the consequences of pain in work productivity. Methods: Based on the Work Productivity and Activity Impairment Questionnaire - General Health we have created a modified version called WPAI:Pain in order to be able to measure the consequences of pain in work productivity. The study was conducted following the usual guidelines of test validation, omitting face validity as WPAI:Pain is a modification of an existing questionnaire. Validity and reliability were calculated. Results: A total of 577 questionnaires were obtained in 2 spanish university hospitals. The questionnaire's discriminating power was verified by Mann-Whitney test. Reliability tests were realized, Cronbach's alpha was 0.896 and Guttman split-half was 0.921. Stability was evaluated with a test-retest which was significant. Construct validity was established by Pearson correlation comparing the results of the questionnaire with the pain visual analog scale, which was statistically significant for all values. Conclusions: The WPAI:Pain questionnaire is a valid instrument for measuring the consequences of pain in work productivity. It is currently the only one validated in Spanish. Major studies are needed in order to establish its universal validity (AU)

Transversus abdominal plane block as a sole anesthetic technique for abdominal wall hematoma drainage.

Transversus abdominal plane (TAP) block is a known and useful technique, widely used for postoperative pain management of abdominal wall incisions. During the past years, and following the expansion of ultrasound guided techniques, its use has even gained more adepts. It is usually used as an adjuvant technique, primarily in order to control postoperative pain and reduce opioids consumption. We report the case of an 82 years old patient admitted for drainage of a postoperative abdominal wall hematoma after correction of a McBurney incisional hernia. The corrective surgery had gone on without incident, under general anesthesia with laryngeal mask. Two weeks later, the patient came back to our emergency department with a clear hematoma of the abdominal wall. Surgery was decided. A sole local anesthetic technique was achieved, using a TAP block. The block was performed under ultrasound guidance, using a subcostal approach. The surgery went on without complications. Therefore, TAP block offers a hemodynamic stability, appropriate intra-operative anesthesia and post-surgical analgesia of the abdominal wall.

Modern hydroxyethyl starch and acute kidney injury after cardiac surgery: a prospective multicentre cohort.

BACKGROUND: Recent trials have shown hydroxyethyl starch (HES) solutions increase the risk of acute kidney injury (AKI) in critically ill patients. It is uncertain whether these adverse effects also affect surgical patients. We sought to determine the renal safety of modern tetrastarch (6% HES 130/0.4) use in cardiac surgical patients. METHODS: In this multicentre prospective cohort study, 1058 consecutive patients who underwent cardiac surgery from 15th September 2012 to 15th December 2012 were recruited in 23 Spanish hospitals. RESULTS: We identified 350 patients (33%) administered 6% HES 130/0.4 intraoperatively and postoperatively, and 377 (36%) experienced postoperative AKI (AKI Network criteria). In-hospital death occurred in 45 (4.2%) patients. Patients in the non-HES group had higher Euroscore and more comorbidities including unstable angina, preoperative cardiogenic shock, preoperative intra-aortic balloon pump use, peripheral arterial disease, and pulmonary hypertension. The non-HES group received more intraoperative vasopressors and had longer cardiopulmonary bypass times. After multivariable risk-adjustment, 6% HES 130/0.4 use was not associated with significantly increased risks of AKI (adjusted odds ratio 1.01, 95% CI 0.71-1.46, P=0.91). These results were confirmed by propensity score-matched pairs analyses. CONCLUSIONS: The intraoperative and postoperative use of modern hydroxyethyl starch 6% HES 130/0.4 was not associated with increased risks of AKI and dialysis after cardiac surgery in our multicentre cohort.

La Declaración de Helsinki sobre seguridad de los pacientes en anestesiología / The «Helsinki Declaration on Patient Safety in Anesthesiology»

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Transfusión intraoperatoria en cirugía cardiaca. Estudio retrospectivo anidado de casos y controles / Blood transfusion during heart surgery. A retrospective nested case-control study

Objetivo. Estudiar la correlación entre la transfusión perioperatoria de concentrados de hematíes y eventos adversos en el postoperatorio inmediato en una cohorte de pacientes intervenidos de cirugía cardiaca en España durante 2007. Métodos. Estudio retrospectivo observacional multicéntrico y anidado de casos y controles post hoc. Se analizaron los datos de 927 pacientes intervenidos de cirugía cardiaca en 24 hospitales españoles durante 2007. Se compararon los pacientes que recibieron transfusión intraoperatoria con aquellos que no la necesitaron, utilizando para ello un análisis estadístico multivariante (incluyendo, entre otros, variables del Euroscore, tipo de cirugía, función renal y hemoglobinas basales, e índice de Thakar). Resultados. La transfusión de concentrados de hematíes se asoció independientemente en el postoperatorio inmediato con un incremento del riesgo de padecer insuficiencia renal aguda, necesitar ventilación mecánica prolongada y soporte hemodinámico. Asimismo, los pacientes transfundidos presentaron una tasa de mortalidad más alta (OR ajustada 1,30; IC 95%: 1,19-1,42), y una estancia hospitalaria más larga (casi 4 días más). Conclusiones. En esta cohorte de pacientes, se sugiere que la transfusión intraoperatoria podría ser un predictor independiente de morbimortalidad en el postoperatorio inmediato, además de predecir una estancia hospitalaria más larga(AU)

Objective. To assess the correlation between intraoperative packed red blood cells transfusion and adverse outcome in a Spanish cohort of cardiac surgery patients. Methods. Retrospective observational multicentre study. An analysis was performed on the data from 927 cardiac surgery patients treated in 24 Spanish hospitals in 2007. Patients who received intraoperative transfusions were compared with non-transfused patients. Multivariate analyses were performed (including, among others, several items from the Euroscore, surgery type, basal renal status and haemoglobin levels, and Thakar score). Results. Every transfusion of packed red cells was associated with increased postoperative risk of acute kidney damage at 72 hours after surgery, prolonged mechanical ventilation, and need for haemodynamic support. Moreover, transfused patients showed an increased in-hospital mortality rates (Adjusted OR: 1.30; 95% CI: 1.19-1.42), as well as longer hospital stays (almost 4 days). Conclusions. In this cohort of patients, intraoperative transfusion might independently predict higher risk of early acute kidney damage, prolonged postoperative mechanical ventilation, and a need for haemodynamic support, and reduced short term survival (adjusted OR for mortality: 1.30; 95% CI: 1.19-1.42), and longer hospital stays (4 days longer)(AU)