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Related Concept Videos

Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

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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.
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Analgesia and Pain Management01:25

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Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
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Local Anesthetics: Differential Sensitivity of Nerve Fibers01:24

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Local anesthetics (LAs) block the sodium channels of nerve trunks, sensory nerve endings, and neuromuscular junctions. Although LAs can block all kinds of nerves, the sensitivity of nerve fibers differs according to nerve types and structures. LAs are known to block myelinated fibers faster than unmyelinated ones. Also, they block pain or sensory neurons at low concentrations without affecting the motor neurons involved in muscle contractions. This helps relieve labor pain without affecting the...
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Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

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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...
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Synthetic and semisynthetic opioids are pivotal in pain management and tackling opioid addiction. Semisynthetic opioids, including morphinans (morphine derivatives), oxycodone, oxymorphone, hydrocodone, and hydromorphone, have improved pharmacokinetic profiles compared to morphine. Additionally, heroin and 6-MAM (6-Monoacetylmorphine) show better CNS penetration than morphine due to heightened lipid solubility. Hydromorphone, a potent opioid, undergoes hepatic metabolism to form the active...
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General Anesthesia: Overview01:24

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Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
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An Experimental Paradigm for the Prediction of Post-Operative Pain PPOP
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Analgesia in Obstetrics.

M Heesen1, M Veeser1

  • 1Anesthesiology, Sozialstiftung Bamberg, Bamberg.

Geburtshilfe Und Frauenheilkunde
|September 30, 2014
PubMed
Summary
This summary is machine-generated.

Epidural analgesia (PDA) and combined spinal-epidural (CSE) techniques offer safe labor pain relief. Early administration with low anesthetic doses is recommended, with potential increased risk for instrumental delivery.

Keywords:
deliveryobstetricspregnancy

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Area of Science:

  • Obstetric Medicine
  • Anesthesiology
  • Pain Management

Background:

  • Effective labor pain relief is crucial in obstetric medicine.
  • Common methods include regional nerve blocks, systemic analgesics, and non-pharmacologic techniques.
  • Understanding labor pain pathophysiology and anatomy is essential for effective management.

Purpose of the Study:

  • To review the pathophysiology and anatomy of labor pain.
  • To summarize the advantages, disadvantages, risks, and adverse reactions of various labor pain analgesic techniques.
  • To evaluate the safety and efficacy of different pain relief methods for both parturients and newborns.

Main Methods:

  • Selective literature search in Medline via PubMed using keywords "Analgesia" and "Obstetrics".
  • Inclusion of current guidelines from the German Society for Anesthesiology and Intensive Care Medicine.
  • Review article format synthesizing existing research and guidelines.

Main Results:

  • Epidural analgesia (PDA) and combined spinal-epidural (CSE) are safe for labor pain relief when contraindications are absent.
  • Neuraxial analgesia may increase the risk of instrumental delivery, but not cesarean section.
  • Early initiation of PDA and CSE with low local anesthetic doses is advised, without requiring specific cervical dilation.

Conclusions:

  • Anesthesiologists and obstetricians should counsel patients early regarding labor pain management options.
  • Systemic opioid analgesia, particularly remifentanil, is an alternative but requires continuous monitoring due to side effects.
  • Non-pharmacologic methods show inconsistent effectiveness for labor pain relief.