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Related Concept Videos

Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

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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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The parenteral route is a critical method of drug administration. It delivers compounds directly into the systemic circulation and bypasses the gastrointestinal tract. This approach is particularly advantageous for drugs that exhibit poor absorption or instability when administered orally.
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Skeletal muscle relaxants are used to relax muscle tone and alleviate painful muscle contractions. However, the choice of skeletal muscle relaxants depends on the duration of the surgical procedure in order to minimize potential side effects. Skeletal muscle relaxants like neuromuscular blocking agents [NMBAs] are commonly employed as adjuvants alongside general anesthetics in clinical settings. NMBAs are also used to maintain controlled ventilation during surgery of the larynx or pharynx...
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The Micturition Reflex01:26

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Urination, or micturition involves the coordination of the bladder's detrusor muscle and two sphincters to ensure controlled bladder emptying.
The process begins with bladder filling, where the bladder wall stretches as urine accumulates. This stretching activates the urine storage reflex, mediated by the sacral spinal segments and the pontine storage center. Efferent sympathetic impulses stimulate the detrusor muscle to relax and the internal urethral sphincter to contract, facilitating...
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Related Experiment Video

Updated: Aug 1, 2025

Detrusor Underactivity Model in Rats by Conus Medullaris Transection
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Treating Neurogenic Lower Urinary Tract Dysfunction in Chronic Spinal Cord Injury Patients-When Intravesical Botox

Po-Cheng Chen1, Kau-Han Lee2, Wei-Chia Lee3

  • 1Urologic Department, En Chu Kong Hospital, New Taipei City 237414, Taiwan.

Toxins
|April 27, 2023
PubMed
Summary

Botulinum toxin A injections can improve bladder control and voiding for spinal cord injury patients. However, potential adverse effects require careful consideration of benefits versus risks for optimal management.

Keywords:
botulinum toxinslower urinary tract symptomsspinal cord injury

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Area of Science:

  • Urology
  • Neuroscience
  • Regenerative Medicine

Background:

  • Lower urinary tract symptoms (LUTS) significantly impact the quality of life (QoL) for individuals with spinal cord injury (SCI).
  • Inadequate management of LUTS can lead to severe urological complications, including urinary tract infections and renal function decline.
  • Botulinum toxin A (BoNT-A) injections offer a therapeutic option for managing urinary incontinence and voiding dysfunction in SCI patients.

Purpose of the Study:

  • To summarize the application of BoNT-A injections for lower urinary tract dysfunctions in SCI patients.
  • To provide an overview of the benefits and drawbacks of BoNT-A injection therapy for LUTS in SCI.
  • To inform optimal management strategies by weighing the merits and demerits of BoNT-A treatment.

Main Methods:

  • Review of current literature on BoNT-A applications for LUTS in SCI.
  • Analysis of therapeutic effects on urinary incontinence and voiding efficiency.
  • Evaluation of reported adverse effects associated with BoNT-A injections.

Main Results:

  • BoNT-A injections demonstrate satisfactory therapeutic effects in treating urinary incontinence and facilitating voiding in SCI patients.
  • The efficacy of BoNT-A is often accompanied by inevitable adverse effects.
  • A balance between therapeutic benefits and potential demerits is crucial for patient management.

Conclusions:

  • BoNT-A injections represent a viable treatment for LUTS in SCI, offering significant improvements in QoL.
  • Careful consideration of the risk-benefit profile is essential for tailoring treatment strategies.
  • Further research may elucidate strategies to mitigate adverse effects and optimize BoNT-A therapy outcomes.