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Videos de Conceptos Relacionados

Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

Spinal anesthetics are given during lower abdomen and limb surgeries to block sensory and motor neurons. They are administered in the mid to low lumbar regions, primarily acting on the cauda equina's nerve roots. The blockade level depends on the local anesthetic (LA) concentration. Usually, low LA concentrations are sufficient to block sensory fibers, while only high LA concentrations block motor fibers. Other factors like injection volume and speed, the patient's posture, and the drug...
Herniated Intervertebral Disc l: Introduction01:29

Herniated Intervertebral Disc l: Introduction

Intervertebral disc herniation refers to the displacement of the nucleus pulposus (the gel-like inner core of the disc) through a tear or weakened area in the annulus fibrosus (the outer fibrous ring). The displaced disc material extends beyond the normal boundaries of the disc space and may compress or irritate nearby spinal nerve roots or, less commonly, the spinal cord.Etiology and Risk FactorsHerniation commonly results from degeneration, in which aging reduces disc hydration and...
Muscles of the Vertebral Column01:27

Muscles of the Vertebral Column

The back muscles that lie deep into the thoracolumbar fascia are called intrinsic or true back muscles. These muscles are divided into four layers: superficial, intermediate, deep, and deepest layers.
Superficial Layer:
The superficial layer consists primarily of the splenius muscles, which include the splenius capitis and splenius cervicis. These muscles are mainly responsible for the head and cervical spine movements, including extension, rotation, and lateral bending. The splenius capitis...
Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...
Degenerative Disc Disease I: Introduction01:27

Degenerative Disc Disease I: Introduction

Degenerative disc disease is a chronic condition in which intervertebral discs gradually lose structure and function. It is not infectious or autoimmune; rather, it results from age-related biochemical and mechanical changes, influenced by genetic, metabolic, and environmental factors.Structure and Function of DiscsThe spine contains 23 intervertebral discs that absorb load, distribute forces, maintain spacing, and allow flexibility. Each disc consists of a nucleus pulposus, a gel-like core...
Degenerative Disc Disease ll: Pathophysiology01:23

Degenerative Disc Disease ll: Pathophysiology

The symptoms of degenerative disc disease arise from a combination of mechanical compression, vascular compromise, and biochemical inflammation, which together disrupt nerve function and produce pain.Mechanical CompressionDisc degeneration reduces height and elasticity, predisposing to herniation of the nucleus pulposus, a major cause of radicular pain. Herniations may be protrusion (bulging with intact annulus), extrusion (nucleus extends beyond disc but remains connected), or sequestration...

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Video Experimental Relacionado

Updated: May 28, 2026

Biomechanical Changes Related to Low Back Pain: An Innovative Tool for Movement Pattern Assessment and Treatment Evaluation in Rehabilitation
06:28

Biomechanical Changes Related to Low Back Pain: An Innovative Tool for Movement Pattern Assessment and Treatment Evaluation in Rehabilitation

Published on: December 13, 2024

Dolor lumbar no específico no específico.

Federico Balagué1, Anne F Mannion, Ferran Pellisé

  • 1Department of Rheumatology, Physical Medicine, and Rehabilitation, Hôpital Fribourgeois-Hôpital cantonal, Fribourg and Geneva University, Geneva, Switzerland. balaguef@h-fr.ch

Lancet (London, England)
|October 11, 2011
PubMed
Resumen

El dolor lumbar no específico es un problema de salud mundial que afecta a muchos adultos. La gerencia debe priorizar el autocuidado y los enfoques basados en la evidencia, evitando cirugías innecesarias o tratamientos excesivos.

Videos de Experimentos Relacionados

Last Updated: May 28, 2026

Biomechanical Changes Related to Low Back Pain: An Innovative Tool for Movement Pattern Assessment and Treatment Evaluation in Rehabilitation
06:28

Biomechanical Changes Related to Low Back Pain: An Innovative Tool for Movement Pattern Assessment and Treatment Evaluation in Rehabilitation

Published on: December 13, 2024

Área de la Ciencia:

  • Salud Pública La salud pública.
  • Epidemiología La epidemiología.
  • Trastornos del sistema musculoesquelético

Sus antecedentes:

  • El dolor lumbar no específico (PNL) es una preocupación significativa de salud pública mundial.
  • La prevalencia a lo largo de la vida alcanza el 84%, con casos crónicos que afectan al 23% y causan discapacidad en el 11-12% de la población.
  • Si bien los factores mecánicos son menos críticos, la predisposición genética juega un papel en la NLBP.

Objetivo del estudio:

  • Para proporcionar una visión general del dolor lumbar no específico.
  • Para discutir las estrategias de diagnóstico y manejo para el dolor lumbar.
  • Hacer hincapié en la atención basada en la evidencia y centrada en el paciente.

Principales métodos:

  • Revisión de las directrices de diagnóstico que hacen hincapié en la toma de antecedentes y el examen clínico.
  • Recomendación para restringir el uso de imágenes clínicas en el diagnóstico.
  • La consideración de las preferencias del paciente junto con la evidencia clínica para el tratamiento.

Principales resultados:

  • El papel patogénico de los factores mecánicos es probablemente menor; los factores genéticos son importantes.
  • Los tamaños de efecto para muchos tratamientos son bajos, y sus mecanismos de acción a menudo no están claros.
  • La autogestión con apoyo generalmente se recomienda sobre la cirugía o el tratamiento excesivo.

Conclusiones:

  • El dolor lumbar no específico requiere un cambio hacia un manejo conservador y basado en la evidencia.
  • Es crucial restringir las imágenes de rutina y evitar el tratamiento excesivo.
  • Empoderar a los pacientes a través de la autogestión es clave para abordar este problema de salud generalizado.