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Related Concept Videos

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The plexuses of the lower body include the lumbar, sacral, and coccygeal plexuses, which innervate the abdomen, pelvis, legs, and coccygeal region. These plexuses control the transmission of sensory information and coordinate motor functions of the lower body.
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The neuronal supply to the gastrointestinal (GI) tract is essential for regulating various functions, including digestion, absorption, and movement of food. This intricate network of nerves is known as the enteric nervous system (ENS), often referred to as the "second brain" of the body.
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Cranial Nerves: Types Part I01:14

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Cranial nerves are responsible for transmitting motor and sensory information between the brain and various parts of the body. There are twelve pairs of cranial nerves, with the first six being essential in sensory perception, motor control, and autonomic functions related to the head and neck.
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Cranial Nerves: Types Part II01:22

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Cranial nerves are responsible for transmitting motor and sensory information between the brain and various parts of the body. There are twelve pairs of cranial nerves. While the first six innervate the head and neck, the latter six nerves innervate the head and neck, as well as organs and tissues in the thoracic and abdominal cavities. They facilitate communication, expression, and autonomic control within the human body.
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Spinal Nerves: Anatomy01:23

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Spinal nerves are pivotal conduits in the nervous system, bridging the central nervous system (CNS) with the peripheral nervous system (PNS). These nerves enable a complex communication network between the brain, spinal cord, and the rest of the body, facilitating sensory input, motor output, and autonomic functions.
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Spinal Nerves: Plexus I01:22

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Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
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[Sacral nerve modulation in coloproctology].

M Gelos1,2, M Niedergethmann3

  • 1Alfried Krupp Krankenhaus Essen, Hellweg 100, 45276, Essen, Deutschland. marcos.gelos@krupp-krankenhaus.de.

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PubMed
Summary

Sacral nerve modulation (SNM) offers a minimally invasive treatment for fecal incontinence, significantly reducing episodes and improving rectal compliance. This therapy is effective for most patients with refractory incontinence, providing long-term symptom relief.

Keywords:
ConstipationEffectivenessFecal incontinenceIndicationsSacral nerve stimulation

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Area of Science:

  • Coloproctology
  • Neuromodulation
  • Gastroenterology

Background:

  • Fecal incontinence is a prevalent condition often refractory to conservative treatments.
  • Sacral nerve stimulation (SNS) has emerged as a minimally invasive therapeutic option.
  • Understanding the mechanisms and applications of SNM is crucial for patient management.

Purpose of the Study:

  • To review the established efficacy of sacral nerve modulation (SNM) for fecal incontinence.
  • To explore the potential role of SNM in managing constipation and other coloproctological disorders.
  • To discuss the mechanisms underlying SNM's therapeutic effects.

Main Methods:

  • Review of current literature on sacral nerve modulation for fecal incontinence and related disorders.
  • Analysis of studies detailing the placement of electrodes in sacral foramina (S2-S4).
  • Discussion of neurophysiological mechanisms involving spinal and supraspinal pathways.

Main Results:

  • SNM is a well-established, effective treatment for fecal incontinence, significantly reducing symptoms in most patients.
  • Long-term follow-up confirms sustained efficacy and symptom relief.
  • Efficacy for constipation is less established but may be considered for refractory cases.

Conclusions:

  • Sacral nerve modulation is a valuable therapeutic option for fecal incontinence unresponsive to conservative management.
  • Further research is warranted to establish the role of SNM in constipation and other coloproctological conditions.
  • SNM offers a minimally invasive approach with significant patient benefits.