Academic literature on the topic 'Bloqueio nervoso'
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Journal articles on the topic "Bloqueio nervoso"
Machado, Eric Guimarães, Marco Felipe Bouzada Marcos, and Leandro Fellet Miranda Chaves. "Anestesia subdural acidental após punção peridural." Revista de Medicina 97, no. 4 (December 19, 2018): 438–41. http://dx.doi.org/10.11606/issn.1679-9836.v97i4p438-441.
Full textGrecco, Marco Aurélio Sertório, Vilnei Mattioli Leite, Walter Manna Albertoni, João Baptista Gomes dos Santos, Celso Kiyoshi Hirakawa, Flávio Faloppa, and Sandra Gomes Valente. "Estudo da regeneração nervosa em nervos tibiais de ratos wistar utilizando o Fluoro-Gold® como marcador neuronal." Acta Ortopédica Brasileira 11, no. 4 (December 2003): 225–29. http://dx.doi.org/10.1590/s1413-78522003000400005.
Full textMoraes, Marcos Fernando Breda de, José Osvaldo Barbosa Neto, Thaís Khouri Vanetti, Luciana Chaves de Morais, Ângela Maria Sousa, and Hazem Adel Ashmawi. "Bloqueio do sistema nervoso simpático para tratamento de dor do membro fantasma: relato de caso." Revista Dor 14, no. 2 (June 2013): 155–57. http://dx.doi.org/10.1590/s1806-00132013000200017.
Full textTeixeira, A. N., P. O. B. Jesus, F. Antunes, and B. A. Mota. "Cateterismo posterior do plexo braquial em cão: estudo radiológico e avaliação de três protocolos anestésicos na duração do bloqueio motor e sensitivo." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 65, no. 3 (June 2013): 669–74. http://dx.doi.org/10.1590/s0102-09352013000300008.
Full textFonseca, Lineu Corrêa, and Glória M. A. S. Tedrus. "Atividade epileptiforms occipital com ou sem bloqueio pela abertura dos olhos: estudo comparativo clínico-eletrencefalográfico." Arquivos de Neuro-Psiquiatria 53, no. 4 (December 1995): 724–29. http://dx.doi.org/10.1590/s0004-282x1995000500002.
Full textHübner, S. O., C. Pescador, L. G. Corbellini, D. Driemeier, F. R. Spilki, and P. M. Roehe. "Otimização da imunoistoquímica para detecção de herpesvírus bovino tipo 5 (BHV-5) em tecidos do sistema nervoso central fixados com formaldeído." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 57, no. 1 (February 2005): 1–6. http://dx.doi.org/10.1590/s0102-09352005000100001.
Full textCosta, André Nathan, Daniel Melo Mendes, Carlos Toufen, Gino Arrunátegui, Pedro Caruso, and Carlos Roberto Ribeiro de Carvalho. "Síndrome da angústia respiratória do adulto por embolia gordurosa no período pós-operatório de lipoaspiração e lipoenxertia." Jornal Brasileiro de Pneumologia 34, no. 8 (August 2008): 622–25. http://dx.doi.org/10.1590/s1806-37132008000800013.
Full textImamura, Marta, Walter H. C. Targa, Manoel Jacobsen Teixeira, Lin Tchia Yeng, and Satiko Tomikawa Imamura. "Dor e fixadores externos: avaliação e tratamento." Acta Fisiátrica 2, no. 1 (June 3, 1995): 23–26. http://dx.doi.org/10.11606/issn.2317-0190.v2i1a101960.
Full textSilva, Flavia Claro da, Fabíola Caó de Barros Moreno, Paulo Francisco Mascarenhas Bender, and Carmen Dulce Barros de Carvalho. "Prevenção da Dor Fantasma com Uso de Cloridrato de Amitriptilina." Revista Brasileira de Cancerologia 54, no. 4 (December 31, 2008): 345–49. http://dx.doi.org/10.32635/2176-9745.rbc.2008v54n4.1688.
Full textRocha, Ademir, José Alfredo B. da Cunha, Willian Daud, Rimmel A. G. Heredia, Houlétia B. Gomes, Orlando Mantese, Augusto C. da Fonseca Neto, and Edison Reis Lopes. "Cardiopatia chagásica crônica causando insuficiência cardíaca congestiva na infância: estudo clínico e histopatológico de um caso, com ênfase para as lesões dos sistemas excito-condutor e nervoso autônomo intracardíaco." Revista da Sociedade Brasileira de Medicina Tropical 26, no. 4 (December 1993): 243–49. http://dx.doi.org/10.1590/s0037-86821993000400008.
Full textDissertations / Theses on the topic "Bloqueio nervoso"
Hortense, Alexandre [UNIFESP]. "Efeitos do bloqueio do plexo braquial por via interescalência com bupivacaína ou ropivacaína sobre a função pulmonar e o eletrocardiograma." Universidade Federal de São Paulo (UNIFESP), 2008. http://repositorio.unifesp.br/handle/11600/24197.
Full textObjetivos: O presente estudo teve por objetivo avaliar os efeitos do bloqueio do plexo braquial por via interescalênica, com bupivacaína a 0,5% (com epinefrina 1: 200.000) ou ropivacaína a 0,5%, sobre a função pulmonar e a atividade eletrocardiográfica. Métodos: Após a aprovação do Comitê de Ética em Pesquisa do complexo Hospital São Paulo – Universidade Federal de São Paulo / Escola Paulista de Medicina e obtenção de consentimento livre e esclarecido, foram incluídos, 30 pacientes, classificados como estado físico I ou II (Associação Americana de Anestesiologistas - ASA), de ambos os gêneros, candidatos a bloqueio do plexo braquial por via interescalênica, para intervenção cirúrgica eletiva em membro superior. Foram excluídos os pacientes em que houve falha do bloqueio (analgesia insuficiente para a realização do procedimento cirúrgico).Os pacientes foram distribuídos aleatoriamente em dois grupos de 15 pacientes, tratados com ropivacaína 0,5% (grupo Ropi) ou bupivacaína 0,5% com epinefrina (grupo Bupi). Após jejum de oito horas, os pacientes foram encaminhados ao centro cirúrgico. Em sala cirúrgica os pacientes foram monitorados com Holter (gravador digital Multicardiógrafo /CardioFlash®). O bloqueio interescalênico foi realizado (o plexo braquial foi localizado com o estimulador de nervo periférico) com injeção de 30ml de anestésico local. A primeira espirometria foi realizada antes do bloqueio. Foram realizadas novamente espirometrias 30 minutos, quatro e seis horas decorridas do término da injeção de anestésico local (Espirômetro Koko ® e software próprio). O anestesiologista que executou os bloqueios, o fisioterapeuta que realizou as espirometrias e o cardiologista que interpretou o Holter, desconheciam o anestésico utilizado. Os pacientes não receberam sedação em nenhum momento do estudo. Os registros eletrocardiográficos iniciaram-se também imediatamente antes do início da anestesia, concluindo-se após a última espirometria. Para avaliar a homogeneidade entre os grupos com relação a altura, idade, peso e índice de massa corpórea foi utilizado o teste t de Student e, no que concerne ao gênero, o teste Qui-quadrado. Aplicou-se o teste t de Student pareado na comparação entre os valores das variações percentuais de capacidade vital forçada (CVF) registradas antes e depois do bloqueio, em cada grupo e o teste t de Student não pareado, na comparação entre os grupos, em cada momento do estudo. Considerou-se significante p<0,05. Resultados: Um paciente do Grupo Ropi e três pacientes do Grupo Bupi foram ix excluídos do estudo por falha de bloqueio. Dois pacientes, sendo um de cada grupo, apresentaram dispnéia a ponto de não conseguirem realizar a espirometria 30 minutos após o bloqueio. A variação percentual da CVF, no grupo Ropi foi máxima aos 30 minutos (CVF0 versus CVF30:100±0 versus 74,85±10,1 P=0,000*, considerando 100% a CVF antes do bloqueio) e a partir de então houve tendência progressiva a recuperação. Já com bupivacaína, a redução da CVF pareceu ser menos acentuada nos diversos momentos estudados; observou-se redução adicional entre 30 minutos e 4 horas (CVF30 versus CVF4: 84,2±11,1 versus 82,4±12,1 P=0,362),sendo esta sem diferença estatística. A partir de 4 horas, notouse tendência à recuperação. Em ambos os grupos, após 6 horas de bloqueio a CVF encontrava-se ainda abaixo dos valores prévios. Extra-sístoles ventriculares isoladas foram verificadas em cinco pacientes (2 pertencentes ao grupo Bupi e 3 ao grupo Ropi). Conclusões: Pode-se concluir que, nestas condições o bloqueio do plexo braquial por via interescalênica com bupivacaína a 0,5% associada à epinefrina 1: 200.000 ou ropivacaína a 0,5%: A. Reduziu a CVF na maioria dos casos; B. As alterações foram mais acentuadas no grupo Ropi, que no grupo Bupi; C. Essas alterações mantiveram-se por, pelo menos, 6 horas e não foram associadas a repercussões clínicas relevantes. D. Não foram registradas alterações eletrocardiográficas relevantes nos pacientes estudados.
Objectives: The objective of this study was to assess the effects of interscalenic brachial plexus block with bupivacaine at 0.5% (with epinephrine 1:200,000) or ropivacaine at 0,5% on pulmonary function and on electrocardiogram. Methods: After obtaining the approval of the Committee of Ethic in Research of the Hospital São Paulo compound – Universidade Federal of São Paulo / Escola Paulista de Medicina and subjects’ free and informed consent, 30 patients, of both genders, were included in the study and classified either as in physical status I or II (American Association of Anesthesiologists– ASA) and candidates to a interscalenic brachial plexus block in an elective upper-limb surgery We excluded patients whom there was failure of blockade (analgesia insufficient for realization of surgery). We excluded patients whom there was failure of blockade (analgesia insufficient for realization of surgery). Patients were randomly divided into two 15-patient groups and treated with ropivacaine at 0.5% (Ropi group) or bupivacaine at 0.5% with epinephrine (Bupi group). After an eight-hour fast, patients were sent to the operation center. In the operation room patients were monitored with Holter (Multicardiograph/ CardioFlash® digital recorder). The interscalenic block was made (the brachial plexus was located with a peripheral-nerve stimulator) with a 30ml local injection. A first spirometry was conducted before the block. Spirometries were conducted again 30 minutes, four and six hours after the local anesthetic injection was given (Koko® Spirometer and proper software). The anesthesiologist who conducted the block, the physical-therapist who conducted the spirometries and the cardiologist who interpreted the Holter did not know the anesthetic used. Patients were not sedated during the whole study. The EKG’s data also started to be recorded immediately after the beginning of the anesthesia, and finished after the last spirometry. To assess the homogeneity between the groups related to height, age, weight and bodily mass index the paired Student’s-t test was used to compare the values of the CFV percentage variations recorded before and after the block in each group, and the unpaired Student’s-t test was used to compare the groups at each moment of the study. p<0.05 was deemed significant. Results: A patient of the Ropi Group and three patients of the Bupi Group were excluded from the study because the block failed. Two patients, one of each group, had dyspnea and the spirometry could not be conducted 30 minutes after the block. The percentage variation of forced vital capacity (CVF) in the Ropi Group was maximum at 30 minutes (CVF0 versus CVF30:100±0 versus 74.85±10.1 P=0.000*, considering CVF at 100% before block) and since then there was a progressive trend towards recovery. With bupivacaine CVF reduction remained less strong at the different moments studied; there was an addition reduction from 30 minutes to 4 hours (CVF30 versus CVF4: 84.2±11.1 versus 82.4±12.1 P=0.362), with no statistical difference. As from 4 hours there was a trend towards recovery. In both groups after 6 hours of the block CVF was still below the previous values. Isolated ventricular extra-systoles were verified in five patients (2 in the Bupi Group and 3 in the Ropi Group). Conclusions: We can conclude that under the conditions of the interscalenic brachial plexus block with bupivacaine at 0.5% associated to epinephrine 1: 200,000 or ropivacaine at 0.5%: A. CVF is reduced in most of the cases; B. Alterations were stronger in the Ropi Group than in the Bupi Group; C. Those alteration remained for at least 6 hours and were not associated to any relevant clinical repercussions; D. No relevant alterations were recorded in the EKG of the patients studied.
BV UNIFESP: Teses e dissertações
Trein, Thomas Alexander [UNESP]. "Administração da associação de dexmedetomidina e ropivacaína 0,75% em bloqueios dos nervos isquiático e femoral guiados por ultrassom e por neuroeletroestimulação em cães." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/144065.
Full textCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
The study aimed to evaluate the effects of administration of ropivacaine 0.75% combined with dexmedetomidine on the sciatic and femoral nerves in dogs. Seven adult and healthy Beagle dogs were submitted to three experimental groups. In GCON, animals received perineural ropivacaine 0,75% (0.1mL/kg/nerve); GDPN received perineural dexmedetomidine diluted (1μg/mL) in ropivacaine 0,75% (0.1mL/kg/nerve); and GDIM received perineural ropivacaine 0,75% (0.1mL/kg/nerve) and dexmedetomidine diluted in saline (1μg/mL) via intramuscular administration (0,2mL/kg). The perineural administrations were carried out under general inhalation anesthesia and guided by ultrasound and nerve stimulation. Onset time and duration of sensory and motor blocks were evaluated, as well as patellar, gastrocnemius and cranial tibial reflexes, heart (FC) and respiratory rate (f), systolic arterial pressure (PAS), rectal temperature (TR), lactate (LACT), blood glucose (GLIC), sedation (SED) and blood gas analysis during 240 minutes. No differences were observed between groups with regards to FC, f, PAS, LACT, GLIC, TR, SED, blood gas, reflexes and sensory and motor block latency. However, the duration of the tibial sensory block was significantly longer in GDPN compared with GDIM (p=0,0302). Administration of perineural or intramuscular dexmedetomidine did not cause changes in physiologic parameters or the onset time and duration of motor block. The perineural administration of dexmedetomidine prolonged the duration of the sensory block only for the tibial nerve.
Trein, Thomas Alexander. "Administração da associação de dexmedetomidina e ropivacaína 0,75% em bloqueios dos nervos isquiático e femoral guiados por ultrassom e por neuroeletroestimulação em cães /." Araçatuba, 2015. http://hdl.handle.net/11449/144065.
Full textAbstract:The study aimed to evaluate the effects of administration of ropivacaine 0.75% combined with dexmedetomidine on the sciatic and femoral nerves in dogs. Seven adult and healthy Beagle dogs were submitted to three experimental groups. In GCON, animals received perineural ropivacaine 0,75% (0.1mL/kg/nerve); GDPN received perineural dexmedetomidine diluted (1μg/mL) in ropivacaine 0,75% (0.1mL/kg/nerve); and GDIM received perineural ropivacaine 0,75% (0.1mL/kg/nerve) and dexmedetomidine diluted in saline (1μg/mL) via intramuscular administration (0,2mL/kg). The perineural administrations were carried out under general inhalation anesthesia and guided by ultrasound and nerve stimulation. Onset time and duration of sensory and motor blocks were evaluated, as well as patellar, gastrocnemius and cranial tibial reflexes, heart (FC) and respiratory rate (f), systolic arterial pressure (PAS), rectal temperature (TR), lactate (LACT), blood glucose (GLIC), sedation (SED) and blood gas analysis during 240 minutes. No differences were observed between groups with regards to FC, f, PAS, LACT, GLIC, TR, SED, blood gas, reflexes and sensory and motor block latency. However, the duration of the tibial sensory block was significantly longer in GDPN compared with GDIM (p=0,0302). Administration of perineural or intramuscular dexmedetomidine did not cause changes in physiologic parameters or the onset time and duration of motor block. The perineural administration of dexmedetomidine prolonged the duration of the sensory block only for the tibial nerve.
Orientador:Valéria Nobre Leal de Souza Oliva
Banca:Paulo Sérgio Patto dos Santos
Banca:Adriano Bonfim Carregaro
Mestre
Khoury, Rayana Duarte. "O estresse crônico e a via de sinalização adrenérgica no desenvolvimento da lesão periapical /." São José dos Campos, 2017. http://hdl.handle.net/11449/152533.
Full textCoorientadora: Renata Falchete do Prado
Banca: Eduardo Bresciani
Banca: Mariella Vieira Pereira Leão
Resumo: Os objetivos deste estudo são: 1) Esclarecer a possível associação entre o estresse crônico e a estimulação do Sistema Nervoso Simpático (SNS) e investigar sua interferência no desenvolvimento e progressão da lesão periapical; 2) Avaliar a quantidade de receptores para os neurotransmissores na região periapical; 3) Elucidar uma via farmacológica de modulação inflamatória através do uso de bloqueadores adrenérgicos. Trinta e dois ratos Wistar foram submetidos à modelo animal de lesão periapical através da exposição da cavidade pulpar e em seguida foram aleatoriamente divididos em 4 grupos: sem estresse (NS); estresse + solução salina (SS); estresse + β-bloqueador (Sβ); estresse + α-bloqueador (Sα). Os grupos SS, Sβ e Sα foram submetidos à modelo animal de estresse crônico durante 28 dias e receberam injeções diárias de solução salina, propranolol (β bloqueador adrenérgico) e fentolamina (α bloqueador adrenérgico), respectivamente. Após 28 dias os animais foram eutanasiados e procedeu-se as seguintes análises: a) dos níveis séricos de corticosterona através de Radioimunoensaio; b) histomorfométrica por coloração com hematoxilina e eosina; c) da estrutura óssea periapical através de microtomografia computadorizada (micro-CT); d) expressão de receptores β e α adrenérgicos; e) da atividade osteoclástica através de histoquímica para fosfatase ácida resistente ao tartarato (TRAP). Os resultados obtidos mostram um aumento do nível sérico de corticosterona dos animais do grupo SS send... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: The objectives of this study are: 1) To clarify the possible association between chronic stress (CS) and stimulation of the Sympathetic Nervous System (SNS) and to investigate its interference in the development and progression of periapical lesion; 2) To evaluate the amount of receptors for neurotransmitters in the periapical region; 3) To elucidate a pharmacological pathway of inflammatory modulation through the use of adrenergic blockers. Thirty- two Wistar rats were submitted to animal model of periapical lesion through exposure of the pulp cavity and were then randomly divided into 4 groups: no stress (NS); stress + saline solution (SS); stress + β-blocker (Sβ); stress + α-blocker (Sα). The SS, Sβ and Sα groups were submitted to animal model of CS for 28 days and received daily injections of saline solution, propranolol (β blocker adrenergic) and phentolamine (α adrenergic blocker), respectively. After 28 days the animals were euthanized and the following analysis were carried out: a) serum corticosterone levels through Radioimmunoassay; b) histomorphometric by staining with hematoxylin and eosin; c) periapical bone structure through micro computed tomography; d) expression of β and α adrenergic receptors; e) osteoclast activity by histochemistry for tartrate resistant acid phosphatase (TRAP). The results obtained show an increase in the seric corticosterone level of the animals of the SS group being statistically significant compared to the NS group animals (without str... (Complete abstract click electronic access below)
Mestre
Guirro, Úrsula Bueno do Prado. "Avaliação da analgesia pós-operatória com raquianestesia, fentanil e bloqueio do nervo femoral na operação de reconstrução artroscópica do ligamento cruzado anterior." reponame:Repositório Institucional da UFPR, 2017. http://hdl.handle.net/1884/48074.
Full textCo-orientador: Prof. Dr. Jorge Eduardo Fouto Matias
Tese (doutorado) - Universidade Federal do Paraná, Setor de Ciências da Saúde, Programa de Pós-Graduação em Clínica Cirúrgica. Defesa: Curitiba, 27/06/2017
Inclui referências : f.59-63
Área de concentração : Clínica cirúrgica
Resumo: A raquianestesia é a anestesia padrão nas operações do membro inferior, podendo ser associada à técnica opioides e bloqueios de nervos periféricos. Uma opção é o bloqueio do nervo femoral (BNF), pois é de fácil execução e auxilia o controle da dor pós-operatória. O objetivo deste estudo foi avaliar a analgesia, a solicitação de tramadol, o bloqueio motor e os eventos adversos pós-operatórios dos pacientes submetidos à raquianestesia com fentanil e BNF, de maneira isolada ou associados, na operação de reconstrução do ligamento cruzado anterior (RLCA). Foram avaliados 166 pacientes de ambos os sexos, com idade entre 18 e 65 anos, submetidos à RLCA com enxerto de tendão dos músculos flexores semitendíneo e grácil. No Grupo 1 (G1), 45 pacientes receberam raquianestesia com 15 mg de bupivacaína isobárica 0,5%; no Grupo 2 (G2), 34 pacientes receberam raquianestesia com 15 mg de bupivacaína isobárica 0,5% e fentanil 25 ?g; no Grupo 3 (G3), 43 pacientes receberam raquianestesia com 15 mg de bupivacaína isobárica 0,5%, fentanil 25 ?g e BNF com 100 mg de bupivacaína 0,5% sem vasoconstritor; e no Grupo 4 (G4), 44 pacientes receberam raquianestesia com 15 mg de bupivacaína isobárica 0,5% e BNF com 100 mg de bupivacaína 0,5% sem vasoconstritor. Todos os pacientes receberam cetoprofeno, dipirona, ondansetrona e poderiam solicitar tramadol a qualquer momento, caso o escore para a dor fosse igual ou superior a 4, de acordo com a Escala Numérica. Foram avaliados nos momentos 6, 12 e 24 horas após a raquianestesia. Os grupos de pacientes não apresentaram diferenças quanto às variáveis demográficas e clínico-cirúrgicas, exceto a idade e o lado em que foi feita a operação.Os escores médios de dor nos momentos 6 e 24 horas não apresentaram diferença, porém houve diferença no momento 12 horas após raquianestesia. O menor escore médio de dor foi encontrado no G4 (2,9 ± 2,3) e o mais elevado, no G2 (4,5 ± 2,3). O G4 mostrou estabilidade dos escores médios de dor nos três períodos avaliados. A solicitação de tramadol foi menor no G3 (18%) e maior no G2 (52,9%). O bloqueio motor do músculo quadríceps da coxa ocorreu em 83,7% do G3 e 81,2% do G4. Os eventos adversos foram náuseas e vômitos, cefaleia pós-punção dural, dor no local do BNF, sensação de frio nos pés e sangramento. As náuseas e vômitos foram mais frequentes no G2 e ocorreram em pacientes que solicitaram tramadol. Ocorreu queda de um paciente do G3 e de um do G4. Concluiu-se que a analgesia pósoperatória com raquianestesia e BNF proporcionou escores médios de dor menos elevados no G4, no entanto o grupo que pediu menos tramadol foi o G3. O bloqueio motor da coxa foi frequente quando feito o BNF, e os eventos adversos com as técnicas estudadas foram raros e de menor gravidade. Porém, deve-se estar atento à possibilidade de queda quando for feito o BNF. Palavras-chave: Analgesia pós-operatória. Reconstrução do ligamento cruzado anterior. Raquianestesia. Bloqueio do nervo femoral. Fentanil. Tramadol. Evento adverso. Bloqueio motor.
Abstract: Spinal anesthesia is the standard anesthesia in lower limb operations, and it can be associated with opioid and peripheral nerve blocks. One option is the femoral nerve block (BNF), it is easy to perform and helps control postoperative pain. This study aimed to evaluate the analgesia, tramadol request, the motor block and postoperative adverse events in patients undergoing spinal anesthesia with fentanyl and BNF, isolated or associated, for the anterior cruciate ligament reconstruction (ACLR). We evaluated 166 patients of both sexes, aged between 18 and 65 years, who underwent ACLR with flexor tendon graft of semitendinosus and gracilis muscles. In Group 1 (G1), 45 patients received spinal anesthesia with 15 mg of 0.5% isobaric bupivacaine; Group 2 (G2), 34 patients received spinal anesthesia with 15 mg of isobaric 0.5% bupivacaine and fentanyl 25 g; Group 3 (G3), 43 patients received spinal anesthesia with 15 mg of isobaric 0.5%, 25 g fentanyl and BNF 100 mg of 0.5% bupivacaine without vasoconstrictor; and Group 4 (G4), 44 patients received spinal anesthesia with 15 mg of 0.5% isobaric BNF and 100 mg of 0.5% bupivacaine without vasoconstrictor. All patients received ketoprofen, dipyrone, ondansetron and tramadol could request at any time, if the score for pain was equal to or higher than 4 according to the numerical scale. They were evaluated at 6, 12 and 24 hours after spinal anesthesia. Patient groups showed no differences in demographic and clinical and surgical variables, except age and side of the operation was performed. Mean pain scores at times 6 and 24 hours showed no difference, but there was a difference in the time 12 hours after spinal anesthesia. The lowest average pain score was found in the G4 (2.9 ± 2.3) and the highest was found in G2 (4.5 ± 2.3). The G4 was stable in average pain scores in the three periods. The request of tramadol was lower in G3 (18%) and higher in G2 (52.9%). The quadriceps muscle motor block occurred in 83.7% of G3 and G4 81.2%. Adverse events were nausea and vomiting, post-dural puncture headache, pain at the site of the BNF, feeling cold feet and bleeding. Nausea and vomiting were more frequent in G2, and occurred in patients who requested tramadol. One patient in G3 and one in G4 fell. It was concluded that postoperative analgesia with spinal anesthesia and BNF has provided medium scores of less high pain G4, however the group that asked less tramadol was the G3. The thigh motor block was frequent when it accomplished the BNF, and adverse events with the techniques studied were rare and minor. However, one should be aware of the possibility of falling when the BNF is performed. Keyword: Post-operative Analgesia. Anterior Cruciate Ligament Reconstruction. Spinal anesthesia. Femoral nerve block. Fentanyl. Tramadol. Adverse event. Motor block.
Heluany, Sobrinho Nadim Farah 1941. "Ação da peçonha de Micrurus surinamensis na junção neuromuscular e no musculo esqueletico." [s.n.], 2000. http://repositorio.unicamp.br/jspui/handle/REPOSIP/288410.
Full textTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: O veneno da Micrurus surinamensis, uma cobra coral da região amazônica, induz bloqueio neuromuscular nas preparações nervo frênico-diafragma de rato e nervo-músculo biventer cervicis de pintos. o veneno deprime a tensão das respostas do diafragma à estimulação direta, não deprimindo, entretanto, a do biventer cervicis. Deve conter uma ou mais toxinas pós-sinápticas curaremiméticas, uma vez que os potenciais de placa terminal em miniatura (ps.p.t.m.) bloqueados pelo veneno reapareceram após a adição da neostigmina ao banho. Deve haver também no veneno toxina ou toxinas que induzem a dessensibilização do receptor da placa terminal, fato demonstrado pelo efeito antagônico da 4-aminopiridina (4-AP) sobre o bloqueio dos ps.p.t.m. induzido pelo veneno. A reversibilidade e o efeito antagônico da neostigmina e da 3,4-diaminopiridina (3,4-DAP) apenas parciais nas preparações nervo frênico-diafragma de rato e biventer-cervicis de pintos sugere a presença de neurotoxina pós-sináptica irreversível ou de neurotoxinas pré-sinápticas no veneno. A ação contraturante do veneno, mais evidente no músculo biventer-cervicis de pintos, não abolida pela curarização da preparação mas suprimida pela elevação da concentração de cálcio na solução nutritiva ou adição de sulfato de magnésio (MgSO4), e a ação despolarizante das membranas das fibras do diafragma mostram que o veneno contém constituintes de ação semelhante à das cardiotoxinas. Portanto, os efeitos neuromusculares e miotóxico do veneno de M. surinamensis resultam de ações de um conjunto de toxinas, que ocorrem em outros venenos de cobras corais. É a primeira vez que ações semelhantes à das cardiotoxinas é identificada em espécies de Micrurus sul-americana
Abstract: Micrurus surinamensis occurs in the Amazon valley and upper Negro and Orinoco rivers. The distribution includes the countries Ecuador, Peru, Colombia, Brazil, Venezuela and the Guianas. M. surinamensis venom produces neuromuscular blockade in the rat phrenic nerve-diaphragm and in the chick biventer-cervicis nerve muscle preparations. It induces depression of the twitches elicited by direct muscle stimulation in the curarized rat diaphragm. In denervated hemidiaphragm of the rat, the contracture produced by acetylcholine (Ach) is blocked by the venom. Ach and carbachol-induced responses are also inhibited in chick biventer-cervicis muscle while the contracture produced by is increased. The blockade of the miniature end-plate potenciais (m.e.p.ps.) induced by M. surinamensis venom in the rat diaphragm is antagonized by neostigmine and by 4 aminopyridine. M. surinamensis venom causes depolarization of the rat diaphragm muscle fibers. It induces contracture of the rat diaphragm and biventer cervicis, the contracture being more intense in the last muscle. It is also produced in curarized muscles and in muscles treated with tetrodotoxin. On the other hand, calcium excess (Krebbs solution with 10 mM CaCb) blocks the venom-induced contracture. These results show that M. surinamensis venom contains reversible curaremimetic toxin(s) and toxin(s) that induces desensitization of the end-plate nicotinic receptor. They also show that it contains cardiotoxin-like toxin(s). Some results (increase of twitch tension before blockade, irreversibility of the neuromuscular blockade) suggest that presynaptic receptor toxins and irreversible curaremimetic toxins are contained in the M. surinamenis venom
Doutorado
Farmacologia, Anestesiologia e Terapeutica
Doutor em Odontologia
Evangelista, Marina Cayetano. "Bloqueio dos nervos ciático e femoral em gatos: avaliação da dispersão da bupivacaína sob ressonância nuclear magnética e avaliação dos efeitos antinociceptivos." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/10/10137/tde-19092016-155909/.
Full textPeripheral nerve blocks are practic, effective and widely used for the perioperative pain management, however studies in cats are scarce. The aim of this study was to evaluate the distribution of bupivacaine after sciatic (ScN) and femoral nerve (FN) blocks in cats using magnetic resonance imaging (MRI) and to determine the feasibility, effectiveness and duration of antinociception after ScN and FN blocks using bupivacaine alone, or in combination with either dexmedetomidine or buprenorphine. In the first phase of the study, six adult cats were anesthetized with isoflurane and underwent MRI. Transverse and sagittal plan sequences of pelvic limbs were obtained. The ScN and FN blocks were performed using an electric nerve stimulator-guided technique and bupivacaine 0.5% (0.1 mL/kg per site). The MRI sequences were repeated after each block and the images were analyzed according to the distribution (1; in contact with the nerve or 0; not in contact with the target nerve), bupivacaine location and presence or absence of hematomas and nerve injuries. In the second phase of the study, six adult cats were sedated with dexmedetomidine (25 µg/kg) and received the ScN and FN blocks with 0.1 mL/kg of one of the treatments: saline 0.9% (CONTROL), bupivacaine (0.46%; BUPI), bupivacaine and dexmedetomidine (1 µg/kg; BUPI-DEX) or bupivacaine and buprenorphine (2.5 µg/kg; BUPI-BUPRE). Atipamezole (250 µg/kg) was administered for reversal of sedation. Sedation scores, paw withdrawal thresholds, ability to walk and response to toe pinch were evaluated up to 24 hours after the blocks. According to MRI, five out of six ScN injections had distribution score of 1. Mean ± SD length of the ScN in contact with bupivacaine was 25 ± 11 mm. All FN injections had distribution score of 1. In one injection (FN), bupivacaine was administered distal to the bifurcation between the femoral and saphenous nerve and over the motor branch of FN. Nerve injury or acute hemorrhage were not observed. Nerve stimulator-guided ScN and FN injections produced a reliable bupivacaine spread over the target nerves and the volume was considered sufficient. Individual variability in regards to the injectate location may explain differences in sensory and motor blockade in the clinical setting. All local anesthetic-treated animals had motor function impairment and changes in antinociception. Walking ability was impaired in BUPI from 30 min to 2 hours, in BUPI-DEX between 1 and 2 hours and in BUPI-BUPRE at 2h (p < 0.05). Motor blockade was observed between 1 and 3 hours. Analgesia, determined by paw withdraw threshold, was higher from 1 to 6 hours in BUPI compared to CONTROL (p < 0.05) and reached values greater than 2.4 N from 1 to 4 hours in BUPI-DEX and BUPI-BUPRE and from 1 to 8 hours in BUPI. The chosen doses of buprenorphine and dexmedetomidine as adjuvant drugs did not enhance the magnitude and duration of the ScN and NF blocks in cats
Silva, Lilian Pinto da. "Estudo da frequencia cardiaca e pressão arterial de repouso e apos bloqueio farmacologico do sistema nervoso autonomo em ratos jovens e velhos." [s.n.], 1999. http://repositorio.unicamp.br/jspui/handle/REPOSIP/314424.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Biologia
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Resumo: Neste trabalho o comportamento das variáveis, freqüência cardíaca e pressão arterial de repouso foram estudadas antes, e após bloqueio farmacológico em ratos Wistar jovens (n = 12) e velhos (n = 6). Os animais foram submetidos a cateterização da artéria carótida e veia jugular, e a implantação de eletrodos em posição subcutânea. A fteqüência cardíaca foi obtida a partir do registro eletrocardiográfico e a pressão arterial medida diretamente por meio de cânula conectada a um transdutor de pressão. As atividades simpática e vagal foram avaliadas por bloqueio farmacológico do SNA, empregando-se doses ftacionadas de atropina e propranolol, por via endovenosa. A fteqüência cardíaca controle foi medida antes dos procedimentos de administração das drogas, e a fteqüência cardíaca intrínseca medida após o duplo bloqueio farmacológico. Os resultados mostraram que: a fteqüência cardíaca controle e a intrínseca dos ratos velhos comparadas às dos jovens apresentaram valores mais baixos; em relação ao efeito simpático, efeito vaga!, tônus simpático e tônus vaga! não foram identificadas diferenças entre os animais jovens e velhos; a pressão arterial sistólica e a média dos ratos velhos apresentaram valores mais baixos do que a dos jovens, entretanto em relação a pressão arterial diastólica não foi identificada diferença. Assim, a diminuição da fteqüência cardíaca controle e da fteqüência cardíaca intrínseca observada nos ratos velhos em relação aos jovens com a abordagem experimental empregada, sugere que essa alteração não é dependente dos mecanismos de controle autonômico
Abstract: In this study the behavior of the variables, heart rate and arterial pressure, at the rest were studied before and afier pharmacological blockade in young (n = 12) and old (n = 6) Wistar rats. The animals were submitted to surgery. Two catheters were implanted into carotida artery and jugular vein and electrodes were implanted subcutaneously. The heart rate was obtained :ITom ECG and direct measure of arterial pressure was obtained :ITom pressure transducer. The vagal and sympathetic activities were assessed :ITom pharmacological blockade of the autonomic nervous system, with :ITactionated doses of atropine and propranolol, endovenously. The control heart rate was measured before procedures of drugs administration and intrinsic heart rate measured afier pharmacological blockade. The results showed that: control and intrinsic heart rate of old rats were lower than that observed in young rats; there were no difIerences between old and young rats as regards vagal and sympathetic effects, vagal and sympathetic tonus; the systolic and mean arterial pressure of old rats were lower than that observed in young rats, however, there were no differences between old and young rats as regards diastolic arterial pressure. Then, the reduction of control and intrinsic heart rate observed in old rats regarding young rats with the experimental approach employed, suggests that this alteration are no dependent on mechanisms of autonomic control
Mestrado
Fisiologia
Mestre em Ciências Biológicas
Sousa, Ângela Maria. "Efeito analgésico periférico do tramadol em ratos." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/5/5152/tde-11052010-131407/.
Full textINTRODUCTION: Tramadol is a centrally and peripherally-acting drug, found as a racemic mixture of two enantiomers (+) and (-)-tramadol and effective in the treatment of moderate to severe pain. Tramadol has an -opioid effect ten times less potent than codeine. After first pass metabolism, tramadol is metabolized to various compounds and its major metabolites, (+) and (-)-odesmethyl- tramadol (M1), are therapeutically active as an analgesic and has opioid affinity similar to codeine. Tramadol reduces the peak amplitude of compound action potentials of isolated sciatic nerves and is utilized as adjuvant to lidocaine in brachial plexus blockade in humans. METHODS: Male Wistar rats, 5 to 6 per group were enrolled in the experiments. Two animal models of hyperalgesia were studied: nociceptive flinching behavior induced by formalin and mechanical hyperalgesia after plantar incision. Systemic and intraplantar tramadol were utilized in the two models. Perineural tramadol was injected by the sciatic nerve after localization with nerve stimulator. Opioid receptor antagonist, naloxone, was used in both methods. RESULTS: Dose dependent effect was observed in the flinching behavior test. Five and 2.5 mg intraplantar tramadol completely blocked the first phase formalin test while 1.25 mg abolished the first phase and diminished, but not blocked the second phase. Systemic 5 mg tramadol reduced the second phase of the flinching behavior test without interfering with the first phase. Perineural tramadol was equally effective as intraplantar tramadol at the same dose. In the plantar incision model, 5 mg intraplantar tramadol completely blocked mechanical hyperalgesia with Von Frey monofilaments test; systemic tramadol in the same dose was effective only after 45 minutes of injection. Systemic naloxone antagonized the analgesic effect after 45 minutes of intraplantar tramadol, while intraplantar naloxone was not effective. CONCLUSIONS: Tramadol reduces analgesia in a dose dependent way. Intraplantar tramadol has an early and prolonged analgesic effect not mediated by opioid receptors in the two studied models. Besides, it has an early and important analgesic effect when perineurally administered with a weak motor effect similar to local anesthetics
Rocha, Ivan Dias da. "Valor do bloqueio controlado do ramo medial dorsal no diagnóstico das lombalgias facetárias crônicas." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/5/5140/tde-24062013-111934/.
Full textIntroduction: Chronic low back pain is one of the most prevalent diseases in Brazil, and it is possible to mention as possible causes: myofascial syndrome, discal degeneration (discogenic pain) and facet joint degeneration (facet pain). The chronic lumbar facet joint pain, focus of this study, has a variable prevalence depending on the method used in its diagnosis. The controlled medial branch anesthetic block has become the main method for diagnosis. The diagnostic power of the blockade is based on the assumption that anesthetizing the facet joint or its medial dorsal branch would result in pain relief. A positive result, i.e., pain relief, would mean that the facet joint is the site where pain originates. The objective of this study was to determine the prevalence of low back pain after controlled facet medial dorsal branch blocks and to verify if the result of the blockages correlates with socio- demographic variables. Methods: We conducted a cross-sectional study diagnosis of chronic facet joint low back pain diagnosed by controlled medial branch blocks, with three months follow-up. Controlled medial branch block was performed in patients selected through a specific screening, and socio demographic characteristics, such as sex, race, age, pain duration, level of education and social security benefit, were assessed. We then searched for correlations between these variables and diagnosis through the blocks Results: 104 controlled medial branch blocks were performed and 54 patients (52%) had improvements in pain greater than 50% after blockade. After three months, 36 patients maintained their improvement and lumbar pain returned in only 18 patients, with a score in the visual analogue scale (VAS) > 4. Therefore, in these patients the diagnosis of chronic facet low back pain was concluded. The blockade results was not correlated to demographic data. The three-months follow-up after the medial branch block was able to exclude 36 patients (67%) false positives. Conclusion: The diagnostic method through the medial branch block has proved effective but it was not related to categorical variables mentioned above. There is a need for a three-months follow-up to avoid a high number of false positives. The prevalence of low back pain facet in our service is similar to that found in other studies
Books on the topic "Bloqueio nervoso"
Balius, Ramon. Ecografía musculoesquelética: Sistemática de exploración, bloqueos nerviosos periféricos. [Badalona (Barcelona)]: Editorial Paidotribo, 2007.
Find full textBloqueo de nervios periféricos y alivio perioperatorio del dolor - 2. ed. Amolca (Actualidades Medico Odontologicas Latinoamericanas), 2013.
Find full textAtlas de bloqueos nerviosos periféricos y anatomía para anestesia ortopédica. Amolca (Actualidades Medico Odontologicas Latinoamericanas), 2011.
Find full textOrtiz Pineda, Thalia Alejandra, Andrea Estefanía Zurita Beltrán, Navarrete Ovalle Karina Esteffania, Katherine Leonor López Barrera, Juan Bautista Yanez Contreras, Jorge Zea Torres, Antonella Fanny Montenegro Villavicencio, Edwin Rommel Llanos Oquendo, Rogelio Andrés Leyton Acuña, and Stefany Nathaly Zambrano Soledisa. Fundamentos de anestesia clínica. Mawil Publicaciones de Ecuador, 202, 2021. http://dx.doi.org/10.26820/978-9942-826-94-7.
Full textBook chapters on the topic "Bloqueio nervoso"
Ramamurthy, Somayaji. "Bloqueo nervioso continuo." In Toma de Decisiones en el Tratamiento del Dolor, 300–301. Elsevier, 2007. http://dx.doi.org/10.1016/b978-84-8086-231-8.50109-x.
Full textNel, Willem. "Bloqueo nervioso periférico." In Anestesia. Secretos, 498–504. Elsevier, 2006. http://dx.doi.org/10.1016/b978-84-8174-941-0.50071-9.
Full textRamamurthy, Somayaji. "Bloqueo de nervios craneales." In Toma de Decisiones en el Tratamiento del Dolor, 296–97. Elsevier, 2007. http://dx.doi.org/10.1016/b978-84-8086-231-8.50107-6.
Full textAlanmanou, Euleche. "Bloqueos nerviosos diagnósticos." In Toma de Decisiones en el Tratamiento del Dolor, 40–41. Elsevier, 2007. http://dx.doi.org/10.1016/b978-84-8086-231-8.50018-6.
Full textAlvarado, Sergio. "Bloqueos nerviosos periféricos." In Toma de Decisiones en el Tratamiento del Dolor, 288–89. Elsevier, 2007. http://dx.doi.org/10.1016/b978-84-8086-231-8.50103-9.
Full textBoezaart, André P. "Bloqueos continuos de nervios periféricos." In Atlas de Anestesia Regional, 13–23. Elsevier, 2006. http://dx.doi.org/10.1016/b978-84-458-1644-8.50002-x.
Full text"Bloqueos de nervio periférico. ¿Cuándo no?" In Curso de anestesia regional para cirugía ambulatoria. Sociedad de Anestesiología de Chile, 2020. http://dx.doi.org/10.25237/carsach2020.06.
Full text"Bloqueos de Nervio y Cirugía Ambulatoria. Aproximación infográfica." In Curso de anestesia regional para cirugía ambulatoria. Sociedad de Anestesiología de Chile, 2020. http://dx.doi.org/10.25237/carsach2020.01.
Full textANJOS, Lucas de Menezes dos, Aurélio de Oliveira ROCHA, Nailson Silva MENESES JÚNIOR, Rafaela de Menezes dos Anjos SANTOS, Thaine Oliveira LIMA, Rayle Monteiro ANDRADE, Sílvia Regina Santos MENEZES, et al. "USO DA ANESTESIA CONTROLADA ELETRONICAMENTE NO BLOQUEIO DO NERVO ALVEOLAR INFERIOR – REVISÃO INTEGRATIVA." In PESQUISAS EM TEMAS DE CIÊNCIAS DA SAÚDE. RFB Editora, 2021. http://dx.doi.org/10.46898/rfb.9786558891680.11.
Full textLemos, Luísa Oliveira, Isabella Chaves Lira Cruz, Renata Castro Fagundes Bomfim, Camila de Assunção Martins, Ranyelle Gomes de Oliveira, Marco Alejandro Menacho Herbas, and Ledismar José da Silva. "A UTILIZAÇÃO DE BLOQUEIOS NERVOSOS NO TRATAMENTO DA CEFALEIA EM SALVAS: UMA REVISÃO DA LITERATURA." In Medicina: Impactos Científicos e Sociais e Orientação a Problemas nas Diversas Áreas de Saúde, 14–20. Atena Editora, 2020. http://dx.doi.org/10.22533/at.ed.2752024062.
Full textConference papers on the topic "Bloqueio nervoso"
Motosugue, Andressa, Isabella Ribeiro Santoro, Mariana Lopes Di Berardini, and Michelle Oliveira Kage. "BLOQUEIO INTERCOSTAL EM CADELA SUBMETIDA À CIRURGIA DE CORREÇÃO DE PERSISTÊNCIA DO DUCTO ARTERIOSO – RELATO DE CASO." In I Congresso On-line Nacional de Clínica Veterinária de Pequenos Animais. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/1925.
Full textBelmonte Silveira, Bruno, Marcos da Silva Azevedo, and Grasiela De Bastiani. "RESPOSTA CRUZADA ENTRE O BLOQUEIO DA ARTICULAÇÃO TARSOMETATARSIANA E O RAMO PROFUNDO DO NERVO PLANTAR LATERAL-RELATO DE CASO." In SIMCAV 2021. ,: Even3, 2021. http://dx.doi.org/10.29327/simcav2021.331105.
Full textPinto, Laura de Jesus Cecatto. "LEUCOGRAMA DE ESTRESSE AGUDO EM FELINOS DOMÉSTICOS: REVISÃO DE LITERATURA." In I Congresso On-line Nacional de Clínica Veterinária de Pequenos Animais. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/1827.
Full textBarros, Jessé Sales de, Luiz Valdean Sobrinho Nascimento, and Mariana Andrade Jaques De Castro. "ATUAÇÃO DA FISIOTERAPIA ONCOLÓGICA NOS CUIDADOS PALIATIVOS." In Anais do II Congresso Brasileiro de Saúde On-line. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/1978.
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