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1.
Rev. chil. anest ; 49(1): 141-145, 2020. ilus
Article in Spanish | LILACS | ID: biblio-1510352

ABSTRACT

Ultrasound regional blockade emerged that blocks the branches of the femoral nerve, obturator and accessory obturator that innervate the anterior hip capsule, the PENG block (group of pericapsular nerves), which by its Recent description does not have enough evidence in medical practice. To verify the analgesic effect of the PENG block in patients with hip fracture and its analgesic permanence during the first 10 hours after the block in patients admitted with a diagnosis of hip fracture, at the General Interzonal Hospital of Acute "Dr Oscar E Alende "From Mar del Plata, Argentina, in the months of May to November 2019. A prospective descriptive observational study was carried out with a total of 53 patients, hospitalized patients with a diagnosis of hip fracture, with standardized intravenous analgesic scheme and who have not yet undergone hip surgery. Pain was evaluated with the EVA scale (visual analog scale) prior to the blockage, and then at 30 min and 10 hours after the blockade, 15 ml of 1% lidocaine and 15 ml of bupivacaine at 0 were used. 25%, convex or linear ultrasound probe according to patient weight and 100 mm needle. In order to reproduce and evaluate the pain, the patients had a 30º flexion of the hip. Prior to the blockade, 66% of the patients had severe pain and 34% moderate pain, none presented mild pain or absence, both at thirty minutes and ten hours after the blockade, no patient presented severe pain and all patients presented analgesia with a decrease in more than three points on the VAS scale, in some cases reaching a decrease of 10 points on that scale. The PENG block is a regional anesthesia technique that provides very good analgesia to patients with hip fractures, therefore, it is an excellent saving strategy for systemic analgesics. Knowing the analgesia provided by the blockade at 30 min and at 10 h, it could be performed both in the preoperative period for the transfer and mobilization of the patient, as well as in the postoperative period, which could save the use of opioids and decrease hospital stay.


INTRODUCCIÓN La fractura de cadera es una emergencia ortopédica común en ancianos asociada a gran morbimortalidad, una adecuada analgesia regional perioperatoria determina un ahorro en el uso de analgésicos sistémicos. Recientemente, en el año 2018, surgió un nuevo bloqueo regional ecoguiado muy prometedor que bloquea las ramas del nervio femoral, obturador y obturador accesorio que inervan la capsula anterior de la cadera, el bloqueo PENG (grupo de nervios pericapsulares), el cual por su reciente descripción no cuenta con la suficiente evidencia en la práctica médica. OBJETIVOS: Comprobar el efecto analgésico del bloqueo PENG en pacientes con fractura de cadera y su permanencia analgésica durante las 10 primeras horas posteriores al bloqueo en los pacientes internados con diagnóstico de fractura de cadera, en el Hospital Interzonal General de Agudos "Dr. Oscar E Alende" de Mar del Plata, Argentina, en los meses de mayo a noviembre del 2019. MATERIALES Y MÉTODOS: Se realizó un estudio observacional descriptivo prospectivo con un total de 53 pacientes, se incluyeron pacientes internados con diagnóstico de fractura de cadera, con esquema analgésico endovenoso estandarizado y que aún no hayan sido sometido a cirugía de cadera. Se evaluó el dolor con la escala EVA (escala análoga visual) previo al bloqueo, y luego a los 30 min y a las 10 Hs de haber realizado el bloqueo, para este se utilizaron 15 ml lidocaína 1% y 15 ml de bupivacaína al 0,25%, sonda ecográfica convexa o lineal según el peso del paciente y aguja 100 mm. Para reproducir y evaluar el dolor se les realizo a los pacientes una flexión de 30º de la cadera. RESULTADOS: Previo al bloqueo el 66% de los pacientes tuvieron dolor severo y 34% dolor moderado, ninguno presentaba dolor leve o ausencia del mismo, tanto a los treinta minutos como a las diez horas posteriores al bloqueo ningún paciente presento dolor severo y todos los pacientes presentaron analgesia con una disminución en más de tres puntos en la escala de EVA, llegando en algunos casos a una disminución de 10 puntos de dicha escala. CONCLUSIONES: El bloqueo PENG es una técnica de anestesia regional que brinda muy buena analgesia a los pacientes con fractura de cadera, por consiguiente, es una excelente estrategia ahorradora de analgésicos sistémicos. Conociendo la analgesia que brinda el bloqueo a los 30 min y a las 10 h de realizado, se podría realizar dicho bloqueo tanto en el preoperatorio para el traslado y movilización del paciente, como en el post-operatorio, lo que podría ahorrar el uso de opioides y disminuir la estancia hospitalaria.


Subject(s)
Humans , Hip Fractures/diagnostic imaging , Anesthetics, Local/administration & dosage , Time Factors , Pain Measurement , Preoperative Care , Prospective Studies , Ultrasonography, Interventional , Dose-Response Relationship, Drug , Femoral Nerve/drug effects , Femoral Nerve/diagnostic imaging , Anesthesia, Conduction/methods , Anesthetics, Local/pharmacology , Obturator Nerve/drug effects , Obturator Nerve/diagnostic imaging
2.
Rev. bras. anestesiol ; 68(6): 558-563, Nov.-Dec. 2018. tab, graf
Article in English | LILACS | ID: biblio-977403

ABSTRACT

Abstract Background and objectives: An ultrasound guided femoral nerve block is an established analgesic method in patients with a hip fracture. Elevated cytokine levels correlate with poor patient outcomes after surgery. Hence, the aim of the study was to describe the levels of tumor necrosis factor-α after an ultrasound-guided femoral nerve block in elderly patients having a femoral neck fracture. Methods: A total of 32 patients were allocated into two treatment groups: 16 patients (femoral nerve block group; ultrasound-guided femoral nerve block with up to 20 mL of 0.3 mL.kg−1 of 0.5% bupivacaine and intravenous tramadol) and 16 patients (standard management group; up to 3 mL of 0.9% saline in the femoral sheath and intravenous tramadol). Tumor necrosis factor-α and visual analogue scale scores were evaluated immediately before the femoral nerve block and again at 4, 24, and 48 h after the femoral nerve block. All surgery was performed electively after 48 h of femoral nerve block. Results: The femoral nerve block group had a significantly lower mean tumor necrosis factor-α level at 24 (4.60 vs. 8.14, p < 0.001) and 48 h (5.05 vs. 8.56, p < 0.001) after the femoral nerve block, compared to the standard management group. The femoral nerve block group showed a significantly lower mean visual analogue scale score at 4 (3.63 vs. 7.06, p < 0.001) and 24 h (4.50 vs. 5.75, p < 0.001) after the femoral nerve block, compared to the standard management group. Conclusions: Ultrasound-guided femoral nerve block using 0.3 mL.kg−1 of 0.5% bupivacaine up to a maximum of 20 mL resulted in a significant lower tumor necrosis factor-α level.


Resumo Justificativa e objetivos: O bloqueio do nervo femoral guiado por ultrassom é um método analgésico estabelecido em pacientes com fratura de quadril. Níveis elevados de citocinas estão correlacionados com resultados desfavoráveis para o paciente após a cirurgia. Portanto, o objetivo do estudo foi descrever os níveis do fator de necrose tumoral alfa após bloqueio do nervo femoral guiado por ultrassom em pacientes idosos com fratura do colo de fêmur. Métodos: No total, 32 pacientes foram alocados em dois grupos de tratamento: 16 pacientes (grupo bloqueio do nervo femoral; bloqueio do nervo femoral guiado por ultrassom com até 20 mL de bupivacaína a 0,5% (0,3 mL.kg−1) e tramadol intravenoso) e 16 pacientes (grupo tratamento padrão, até 3 mL de solução salina a 0,9% na bainha femoral e tramadol intravenoso). Os escores do fator de necrose tumoral alfa e da Escala Visual Analógica foram avaliados imediatamente antes do bloqueio do nervo femoral e novamente em 4, 24 e 48 horas pós-bloqueio do nervo femoral. Todas as cirurgias foram realizadas de forma eletiva após 48 horas de bloqueio do nervo femoral. Resultados: O grupo bloqueio do nervo femoral teve um nível médio de fator de necrose tumoral alfa significativamente menor em 24 (4,60 vs. 8,14, p < 0,001) e 48 horas (5,05 vs. 8,56, p < 0,001) pós-bloqueio do nervo femoral, comparado com o grupo tratamento padrão. O grupo bloqueio do nervo femoral apresentou uma média significativamente menor no escore da Escala Visual Analógica em 4 (3,63 vs. 7,06, p < 0,001) e 24 horas (4,50 vs. 5,75, p < 0,001) pós-bloqueio do nervo femoral, em comparação com o grupo tratamento padrão. Conclusões: O bloqueio do nervo femoral guiado por ultrassom utilizando 0,3 mL.kg−1 de bupivacaína a 0,5% até o máximo de 20 mL resultou em um nível significativamente menor de fator de necrose tumoral alfa.


Subject(s)
Humans , Male , Female , Aged , Aged, 80 and over , Tumor Necrosis Factor-alpha/blood , Femoral Neck Fractures/blood , Nerve Block/methods , Ultrasonography, Interventional , Femoral Nerve/diagnostic imaging , Middle Aged
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