Clinical practice guideline. Unintentional perioperative hypothermia. / Guía de práctica clínica de hipotermia perioperatoria no intencionada.

The importance of the safety of our patients in the surgical theatre, has driven many projects. The majority of them aimed at better control and clinical performance; mainly of the variables that intervene or modulate the results of surgical procedures, and have a direct relationship with them. The Spanish Society of Anesthesiology, Critical Care and Therapeutic Pain (SEDAR), maintains a constant concern for a variable that clearly determines the outcomes of our clinical processes, "unintentional hypothermia" that develops in all patients undergoing an anesthetic or surgical procedure. SEDAR has promoted, in collaboration with other scientific Societies and patient Associations, the elaboration of this clinical practice guideline, which aims to answer clinical questions not yet resolved and for which, up to now, there are no documents based in the best scientific evidence available. With GRADE methodology and technical assistance from the Ibero-American Cochrane Collaboration office, this clinical practice guideline presents three recommendations (weak in favor) for active heating methods for the prevention of hypothermia (skin, fluid or gas); three for the prioritization of strategies for the prevention of hypothermia (too weak in favor and one strongly in favor); two of preheating strategies prior to anesthetic induction (both weak in favor); and two for research.

Estudio epidemiológico multicéntrico de las técnicas anestésicas en la cirugía de la hernia inguinal en España / Multicentre epidemiological study of anaesthetic techniques in inguinal hernia surgery in Spain

Objetivo: recientemente se ha producido renovado interés sobre la técnica anestésica en la cirugía de la hernia inguinal y las ventajas y los inconvenientes derivados de las diferentes técnicas anestésicas. En nuestro país no hay información acerca de la la técnica anestésica en la hernioplastia. Nuestro objetivo es realizar un estudio epidemiológico sobre las técnicas anestésicas en la cirugía de la hernia inguinal. Pacientes y métodos: estudio epidemiológico transversal, descriptivo y multicéntrico en 20 hospitales de España. Cada centro incluyó a 12 pacientes sometidos a herniorrafia y registró datos sociodemográficos, antecedentes patológicos, técnica realizada, parámetros de recuperación y complicaciones. Resultados: se incluyó a 238 pacientes (el 91% ASA I-II), con una media de edad de 57 (25-84) años, 213 varones y 25 mujeres. El régimen de hospitalización fue: cirugía ambulatoria un 47%, corta estancia un 26% y el resto con ingreso. Se realizó anestesia subaracnoidea en un 60%, anestesia general en un 27% y anestesia local con sedación, habitualmente benzodiacepinas, en un 13% de los casos. El alta de los pacientes intervenidos en (..) (AU)

Objective: Despite renewed interest in the management of anaesthesia during inguinal hernia surgery, there is a lack of data on trends in anaesthesia in Spain. The purpose of this study was to analyse the different anaesthetic techniques used in inguinal hernia surgery and their association with recovery, hospital stay, complications, and satisfaction with the technique. Patients and methods: Ours was a multicentre, descriptive, crosssectional epidemiological study performed at 20 Spanish hospitals. Each centre included 12 patients who underwent elective inguinal hernia repair. Data were collected on patient characteristics, clinical history, anaesthetic technique, post-operative recovery, and complications. Results: Data were collected on 238 patients, most of whom (91%)were ASA I or II, with a mean age of 57 years (25-84). Day surgery was performed in 47% of cases; 26% as one-day surgery, and the rest as inpatient surgery. Spinal anaesthesia was the most widely used technique (60%),followed by general anaesthesia (27%), and local anaesthesia with sedation (..) (AU)

[Multicentre epidemiological study of anaesthetic techniques in inguinal hernia surgery in Spain]. / Estudio epidemiológico multicéntrico de las técnicas anestésicas en la cirugía de la hernia inguinal en España.

OBJECTIVE: Despite renewed interest in the management of anaesthesia during inguinal hernia surgery, there is a lack of data on trends in anaesthesia in Spain. The purpose of this study was to analyse the different anaesthetic techniques used in inguinal hernia surgery and their association with recovery, hospital stay, complications, and satisfaction with the technique. PATIENTS AND METHODS: Ours was a multicentre, descriptive, cross-sectional epidemiological study performed at 20 Spanish hospitals. Each centre included 12 patients who underwent elective inguinal hernia repair. Data were collected on patient characteristics, clinical history, anaesthetic technique, post-operative recovery, and complications. RESULTS: Data were collected on 238 patients, most of whom (91%) were ASA I or II, with a mean age of 57 years (25-84). Day surgery was performed in 47% of cases; 26% as one-day surgery, and the rest as inpatient surgery. Spinal anaesthesia was the most widely used technique (60%), followed by general anaesthesia (27%), and local anaesthesia with sedation (13%) (pP<.0001). Discharge was within 6 hours with general anaesthesia and local anaesthesia in 94% and 100% of cases, respectively, compared with 68% for spinal anaesthesia (001). No differences were observed between anaesthetic techniques in terms of adverse effects, except for urinary retention in 10 male patients (mean age 68 years) all of whom had received spinal anaesthesia. CONCLUSIONS: Spinal anaesthesia is the most commonly used technique in Spain for inguinal hernia repair, although it is associated with a longer hospital stay (greater than 6h in 32% of cases) and a high incidence of urinary retention than other anaesthetic methods, in particular those with local infiltration. These techniques should be more vigorously implemented in daily practice.

Estudio epidemiológico multicéntrico de las técnicas anestésicas en la cirugía de la hernia inguinal en España / Multicentre epidemiological study of anaesthetic techniques in inguinal hernia surgery in Spain

Objetivo: Recientemente se ha producido renovado interés sobre la técnica anestésica en la cirugía de la hernia inguinal y las ventajas y los inconvenientes derivados de las diferentes técnicas anestésicas. En nuestro país no hay información acerca de la la técnica anestésica en la hernioplastia. Nuestro objetivo es realizar un estudio epidemiológico sobre las técnicas anestésicas en la cirugía de la hernia inguinal. Pacientes y métodos: Estudio epidemiológico transversal, descriptivo y multicéntrico en 20 hospitales de España. Cada centro incluyó a 12 pacientes sometidos a herniorrafia y registró datos sociodemográficos, antecedentes patológicos, técnica realizada, parámetros de recuperación y complicaciones. Resultados: Se incluyó a 238 pacientes (el 91% ASA I-II), con una media de edad de 57 (25-84) años, 213 varones y 25 mujeres. El régimen de hospitalización fue: cirugía ambulatoria un 47%, corta estancia un 26% y el resto con ingreso. Se realizó anestesia subaracnoidea en un 60%, anestesia general en un 27% y anestesia local con sedación, habitualmente benzodiacepinas, en un 13% de los casos. El alta de los pacientes intervenidos en régimen de cirugía ambulatoria fue entre 1 y 6 h en el 94 y el 100% de los casos de anestesia general y anestesia local respectivamente, frente a un 68% para la anestesia subaracnoidea. No hubo diferencias en las características del dolor, náuseas y vómitos entre las técnicas anestésicas; sin embargo, hubo 10 episodios de retención urinaria, todos ellos en el grupo de anestesia subaracnoidea, en pacientes varones y con una edad media de 68 años. Conclusiones: La anestesia subaracnoidea es la más utilizada en España para la herniorrafia, y se asocia con una elevada incidencia de retención urinaria y retraso en el alta hospitalaria (> 6 h en un 32% de los casos) en comparación con la anestesia local. Esta debería ser promovida activamente en nuestro país(AU)

No disponible

Nuevas aportaciones de la mascarilla laríngea en cirugía ambulatoria. Contribución de la mascarilla laríngea Supreme / No disponible

Desde la introducción de la mascarilla laríngea, su uso se ha expandido especialmente en el contexto de la cirugía ambulatoria. La mascarilla laríngea representa el “patrón oro” de los dispositivos supraglóticos, y es la referencia con la que los nuevos dispositivos deben ser comparados. La presente revisión es una actualización de las principales indicaciones de la mascarilla laríngea en usos avanzados, incluyendo el abordaje de la vía aérea difícil en el paciente intervenido de forma ambulatoria. Así mismo se incluye una revisión de las indicaciones, aportaciones, y ventajas de la mascarilla laríngea Supreme aplicadas al contexto de la cirugía sin ingreso (AU)

Since the introduction of the original laryngeal mask airway(LMA) in the nineties in our country, its use has expanded especially in the context of outpatient surgery. The LMA remains the “gold standard” of the supraglotic devices and the standard by which all other devices should be compared. This review is an update of the main indications of the LMA in advanced applications, including addressing the difficult airway in the patient operated on an outpatient basis. Also includes a review of the information, contributions, and advantages of the LMA supreme applied to the context of day surgery (AU)

[Non-therapeutic intraoperative hypothermia: prevention and treatment (part II)]. / Hipotermia intraoperatoria no terapéutica: prevención y tratamiento (parte II).

General and regional anesthesia alter the physiological mechanisms of thermoregulation, and unintentional intraoperative hypothermia develops during most surgical procedures that last more than 1 hour. Monitoring of central temperatures among other vital signs is advisable in such interventions in order to detect temperature changes and check the efficacy of measures to prevent or treat hypothermia. Passive insulation reduces heat loss through the skin but most patients require active warming to maintain a normal temperature. Various skin surface warming systems prevent hypothermia from developing and provide effective warming. The most often used are forced-air or warm water circulation devices. When large volumes of fluids must be infused intravenously, they must be warmed to body temperature to avoid heat loss.

[Non-therapeutic intraoperative hypothermia: causes, complications, prevention, and treatment (part I)]. / Hipotermia intraoperatoria no terapéutica: causas, complicaciones, prevención y tratamiento (I parte).

During the first hour of general anesthesia, a patient's body temperature can decrease between 1 and 1.5 degrees C; regional anesthesia also induces central hypothermia. Intraoperative hypothermia interferes with immunological function, particularly with the oxidative capacity of neutrophils. Cutaneous vasoconstriction occurs and blood flow is reduced in tissues subject to surgery. Oxygen transport is also reduced, increasing the risk of postoperative infection. Decreased platelet activity favors blood loss. Hypothermia increases the likelihood of shivering, and with enhanced central nervous system activation, there is increased cardiovascular morbidity. Currently, these effects can be attenuated or even avoided by applying various warming methods available. The efficacy and mechanisms of action of such methods are described in the second part of this review of the literature.