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Related Concept Videos

Directly Acting Muscle Relaxants: Dantrolene and Botulinum Toxin01:26

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Directly acting muscle relaxants like dantrolene and botulinum toxin (BoNT) have distinct mechanisms and applications. Dantrolene, a hydantoin derivative, acts on the ryanodine receptor (RYR1) in skeletal muscle cells. RYR1 are calcium channels present at the sarcoplasmic reticulum membrane. In response to excitation, they release calcium ions from the sarcoplasmic reticulum to the cytosol. Calcium promotes actin-myosin-mediated contraction of muscles.
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Updated: May 25, 2026

Bladder Smooth Muscle Strip Contractility as a Method to Evaluate Lower Urinary Tract Pharmacology
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Bladder Smooth Muscle Strip Contractility as a Method to Evaluate Lower Urinary Tract Pharmacology

Published on: August 18, 2014

[Botulinum toxin for neurogenic bladder dysfunction].

H Schulte-Baukloh1

  • 1Abteilung für Urologie, St. Hedwig Kliniken, Große Hamburger Straße 5-11, 10115 Berlin, Deutschland. H.Schulte-Baukloh@alexius.de

Der Urologe. Ausg. A
|January 25, 2012
PubMed
Summary
This summary is machine-generated.

Botulinum neurotoxin A (BoNT/A) injections effectively treat neurogenic bladder disorders by improving symptoms and bladder function. Repeated treatments are safe and necessary as effectiveness diminishes after approximately nine months.

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Last Updated: May 25, 2026

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06:36

A Decentralized (Ex Vivo) Murine Bladder Model with the Detrusor Muscle Removed for Direct Access to the Suburothelium during Bladder Filling

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Area of Science:

  • Urology
  • Neurology

Context:

  • Botulinum neurotoxin (BoNT) has gained prominence in treating neurogenic bladder dysfunction over the past 12 years.
  • It offers an alternative to conservative therapies and reduces the need for surgical interventions.
  • Botulinum neurotoxin A (BoNT/A) has been approved for neurogenic bladder disorders since September 2011.

Purpose:

  • To summarize key findings on the practical application of BoNT/A for neurogenic bladder disorders.
  • To review the efficacy and safety of BoNT/A in urological practice.

Summary:

  • Botulinum neurotoxin A (BoNT/A) is the most utilized subtype, demonstrating significant efficacy via detrusor injections.
  • Full therapeutic effects manifest within approximately seven days.
  • Improvements include enhanced bladder capacity, reduced maximum detrusor pressure, and better subjective parameters like reduced urination frequency, incontinence, and improved quality of life.
  • Effectiveness wanes after about nine months, necessitating repeated injections, which have proven effective.
  • Systemic side effects are rare; however, increased residual urine leading to urinary retention is a notable urologic side effect.

Impact:

  • BoNT/A injections offer a minimally invasive treatment option for neurogenic bladder dysfunction.
  • The treatment improves patient quality of life and reduces reliance on more invasive procedures.
  • Understanding the duration of effect and potential side effects is crucial for patient management and optimizing treatment outcomes.