Factores asociados al bloqueo regional subaracnoideo fallido o incompleto con bupivacaína hiperbárica 0,5%

dc.contributor.advisorLeotau Rodríguez, Mario Andrés
dc.contributor.advisorMeléndez Flórez, Héctor Julio
dc.contributor.apolounabLeotau Rodríguez, Mario Andrés [mario-andrés-leotau-rodríguez]spa
dc.contributor.authorHernández Villarraga, Andrés Felipe
dc.contributor.cvlacHernández Villarraga, Andrés Felipe [0001707159]spa
dc.contributor.cvlacMeléndez Flórez, Héctor Julio [0000320609]spa
dc.contributor.orcidHernández Villarraga, Andrés Felipe [0000-0002-3442-8748]spa
dc.contributor.orcidLeotau Rodríguez, Mario Andrés [0000-0003-4374-2840]spa
dc.contributor.orcidMeléndez Flórez, Héctor Julio [0000-0003-1791-8099]spa
dc.coverage.campusUNAB Campus Bucaramangaspa
dc.coverage.spatialFloridablanca (Santander, Colombia)spa
dc.coverage.temporalSeptiembre 2024 a Febrero 2025spa
dc.date.accessioned2025-06-25T18:53:48Z
dc.date.available2025-06-25T18:53:48Z
dc.date.issued2025-06-18
dc.degree.nameEspecialista en Anestesiologíaspa
dc.description.abstractLa anestesia regional subaracnoidea (ARS) es una técnica ampliamente utilizada en cirugías de abdomen inferior, pelvis y extremidades inferiores. El medicamento más empleado es la bupivacaína hiperbárica al 0,5%. A pesar de ser un anestésico local de uso común, ha mostrado comportamientos clínicos variables en nuestra población, presentando bloqueos subaracnoideos incompletos o fallidos. Este estudio tuvo como objetivo identificar los factores asociados bloqueo fallido o incompleto con bupivacaína hiperbárica, evaluando variables relacionadas con la técnica, el operador, el paciente y el medicamento así como la relación entre dosis, calidad y duración del bloqueo, mediante un estudio de tipo analítico prospectivo. La incidencia de bloqueo subaracnoideo fallido o incompleto fue del 11,46% (IC 95%), y el 5,71% de los casos requirió conversión a anestesia general. Dentro de los factores de riesgo que aumentaron la probabilidad de ARS fallida o incompleta se identificaron las punciones realizadas en niveles bajos (L4-L5 a L5-S1) (OR: 4,84; p=0,004), y la ejecución del procedimiento por parte de residentes de primer año (OR: 4,7; p=0,041). Además, los niveles sensoriales bajos alcanzados (T7 a T10) se asociaron a una mayor tasa de fallos (OR: 29,28; p=0,001). No se encontró asociación significativa con otras variables sociodemográficas, farmacológicas, de la técnica anestésica, ni del subgrupo obstétrico. Finalmente, el análisis del medicamento y su lote respectivo no mostró significancia estadística en relación con el bloqueo fallido o incompleto. Adicionalmente, el comportamiento del medicamento fue aceptable en relación a lo descrito en la literatura, con una disminución significativa en su perfil de inicio de acción.spa
dc.description.abstractenglishSubarachnoid regional anesthesia (SRA) is a widely used technique for surgeries involving the lower abdomen, pelvis, and lower extremities. The most commonly employed drug is 0.5% hyperbaric bupivacaine. Although it is a local anesthetic frequently used in clinical practice, it has shown variable clinical behavior in our population, including cases of incomplete or failed subarachnoid blocks. This study aimed to identify the factors associated with failed or incomplete blocks using hyperbaric bupivacaine by evaluating variables related to the technique, the operator, the patient, and the drug, as well as the relationship between dose, block quality, and duration, through a prospective analytical study. The incidence of failed or incomplete subarachnoid block was 11.46% (95% CI), with 5.71% of cases requiring conversion to general anesthesia. Risk factors that significantly increased the probability of failed or incomplete SRA included punctures performed at lower spinal levels (L4-L5 to L5-S1) (OR: 4.84; p=0.004), and procedures carried out by first-year residents (OR: 4.7; p=0.041). Additionally, lower achieved sensory levels (T7 to T10) were associated with a higher failure rate (OR: 29.28; p=0.001). No significant associations were found with other sociodemographic, pharmacological, or anesthetic technique-related variables, nor with the obstetric subgroup. Finally, the analysis of the drug and its respective batch showed no statistically significant association with failed or incomplete blocks. Furthermore, the pharmacological behavior of the drug was deemed acceptable when compared with descriptions in the literature, although a significant reduction in its onset of action profile was observed.spa
dc.description.degreelevelEspecializaciónspa
dc.description.learningmodalityModalidad Presencialspa
dc.description.tableofcontents1. Resumen ejecutivo …………………………………………………………………. 5 2. Lista de abreviaturas ……………………………………………………………….. 6 3. Introducción..……………………………………………………………………….. 7 4. Planteamiento del problema ..………………………………………………………. 8 5. Pregunta de investigación ………………………………………………………… 10 6. Hipótesis de trabajo ..……………………………………………………………… 11 7. Justificación .……………………………………………………………………… 12 8. Marco teórico .…………………………………………………………………….. 13 9. Objetivos .…………………………………………………………………………. 26 a. General ……………………………………………………………………………. 26 b. Específicos ..………………………………………………………………………. 26 10. Materiales y métodos .…………………………………………………………….. 27 a. Tipo de estudio ..…………………………………………………………………... 27 b. Población blanco ..………………………………………………………………... 27 c. Población elegible .……………………………………………………………….. 27 d. Criterios de inclusión ..……………………………………………………………. 27 e. Criterios de exclusión ..………………………………………………..…….……. 27 f. Tamaño de muestra .………………………………………………………………. 27 g. Sitio de ejecución ..…………………………………………………………..……. 28 h. Variables ..….………………………………………………………………..……. 28 i. Flujograma ..…………………….………………………………………………… 30 11. Aspectos éticos y legales .…………………………………………………………. 32 12. Resultados .……………………...…….……………………………………..……. 34 a. Manejo de datos y análisis estadísticos ..…….………………………………..…… 34 b. Resultados .………………………………………………………………………... 34 c. Discusión ..………………………………………………………………………... 48 d. Conclusiones .……………………………………………………………………... 52 13. Impacto y resultados esperados ..………………………………………….………. 54 14. Presupuesto ………………………………………………………………………. 55 15. Referencias bibliográficas …...…….………………………………………………56 16. Anexos …...……..………………………………………………………………… 64 a. Cronograma ……………….……………………………………………………… 64 b. Operacionalización de variables ………………..………………………………… 65 c. Instrumento de recolección ……………………………………………………..….68 d. Consentimiento informado ………………………………………………………... 70 17. Índice de tablas y gráficas …………………………………………………..…..… 76spa
dc.format.mimetypeapplication/pdfspa
dc.identifier.instnameinstname:Universidad Autónoma de Bucaramanga - UNABspa
dc.identifier.reponamereponame:Repositorio Institucional UNABspa
dc.identifier.repourlrepourl:https://repository.unab.edu.cospa
dc.identifier.urihttp://hdl.handle.net/20.500.12749/30068
dc.language.isospaspa
dc.publisher.facultyFacultad Ciencias de la Saludspa
dc.publisher.grantorUniversidad Autónoma de Bucaramanga UNABspa
dc.publisher.programEspecialización en Anestesiologíaspa
dc.publisher.programidEANE-1049
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dc.relation.references67. Frawley G. Second infant spinal anesthetic: Incidence, dose modification, and adverse events after initial failure. Paediatr Anaesth [Internet]. 2024 Apr 1 [cited 2025 May 31];34(4):324–31. Available from: https://pubmed.ncbi.nlm.nih.gov/38146636/spa
dc.relation.references68. Patel J, Karimi H, Olmos M, Wiepert L, Kanter M, Hernandez NS, et al. The Relationship of Spinal Anesthesia Dosing Based on Thecal Sac Area to Anesthetic Failure in Lumbar Surgery. Neurosurgery [Internet]. 2024 Jul 1 [cited 2025 May 31];95(1):103–9. Available from: https://pubmed.ncbi.nlm.nih.gov/38299846/spa
dc.relation.uriapolohttps://apolo.unab.edu.co/en/persons/mario-andr%C3%A9s-leotau-rodr%C3%ADguezspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.creativecommonsAtribución-NoComercial-SinDerivadas 2.5 Colombia*
dc.rights.localAbierto (Texto Completo)spa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.5/co/*
dc.subject.keywordsAnesthesiologyspa
dc.subject.keywordsMedical sciencesspa
dc.subject.keywordsRisk Factorsspa
dc.subject.keywordsBupivacainespa
dc.subject.keywordsSpinal Anesthesiaspa
dc.subject.keywordsMedicinespa
dc.subject.keywordsLocal anesthesiaspa
dc.subject.keywordsComorbidityspa
dc.subject.keywordsAnesthesia in obstetricsspa
dc.subject.keywordsAnesthetics (Side effects)spa
dc.subject.lembAnestesiologíaspa
dc.subject.lembCiencias médicasspa
dc.subject.lembMedicinaspa
dc.subject.lembAnestesia localspa
dc.subject.lembComorbilidadspa
dc.subject.lembAnestesia en obstetriciaspa
dc.subject.lembAnestésicos (Efectos secundarios)spa
dc.subject.proposalCiencias de la saludspa
dc.subject.proposalAnestesia raquídeaspa
dc.subject.proposalBupivacaínaspa
dc.subject.proposalFactores de riesgospa
dc.titleFactores asociados al bloqueo regional subaracnoideo fallido o incompleto con bupivacaína hiperbárica 0,5%spa
dc.title.translatedFactors associated with regional subarachnoid blockade failed o incomplete with hyperbaric bupivacaine 0.5%spa
dc.type.coarhttp://purl.org/coar/resource_type/c_bdcc
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aaspa
dc.type.driverinfo:eu-repo/semantics/masterThesis
dc.type.hasversioninfo:eu-repo/semantics/acceptedVersion
dc.type.localTesisspa
dc.type.redcolhttp://purl.org/redcol/resource_type/TM

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