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Drug Delivery: Parenteral Route01:29

Drug Delivery: Parenteral Route

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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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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Intrathecal Delivery of Antisense Oligonucleotides in the Rat Central Nervous System
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Intrathecal baclofen therapy--how we do it.

Amr Ammar1, Ismail Ughratdar, Gnanamurthy Sivakumar

  • 1Department of Pediatric Neurosurgery, University of Nottingham, University Park, UK.

Journal of Neurosurgery. Pediatrics
|September 25, 2012
PubMed
Summary
This summary is machine-generated.

Subfascial implantation of intrathecal baclofen pumps in children offers better tissue coverage and fewer complications than subcutaneous methods. This technique is crucial for underweight pediatric patients with spasticity.

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Area of Science:

  • Neurosurgery
  • Pediatric Surgery
  • Neurology

Background:

  • Intrathecal baclofen (ITB) is vital for managing spasticity in children.
  • Pediatric patients often have low body weight and insufficient soft tissue for pump implantation.
  • Subcutaneous pump placement risks wound dehiscence and explantation in this population.

Purpose of the Study:

  • To describe and review an adapted subfascial ITB pump implantation technique.
  • To evaluate the safety and efficacy of this technique in pediatric patients.
  • To compare complication rates with the traditional subcutaneous method.

Main Methods:

  • A 10-year retrospective review of 182 pediatric patients undergoing adapted subfascial ITB pump implantation.
  • Detailed description of the surgical technique.
  • Analysis of complication rates, focusing on wound dehiscence and pump explantation.

Main Results:

  • The adapted subfascial technique demonstrated superior tissue coverage for the implanted pump.
  • Lower rates of wound complications and pump explantations were observed compared to subcutaneous methods.
  • The technique was successfully performed in 182 pediatric patients over a decade.

Conclusions:

  • Adapted subfascial implantation is a safer and more effective method for ITB pumps in underweight children.
  • This technique minimizes risks associated with pump placement in pediatric patients with spasticity.
  • Improved surgical outcomes support subfascial implantation for pediatric ITB therapy.