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In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
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Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight,...
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In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses...
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Piezosurgery in Pediatric Neurosurgery.

Luca Massimi1, Alessandro Rapisarda2, Federico Bianchi2

  • 1Neurochirurgia Pediatrica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italia; Istituto di Neurochirurgia, Università Cattolica del Sacro Cuore, Roma, Italia.

World Neurosurgery
|March 5, 2019
PubMed
Summary
This summary is machine-generated.

Piezosurgery (PS) offers improved cosmetic outcomes and reduced dural tears in pediatric neurosurgery. While operative times were initially longer, newer techniques show promise for efficiency.

Keywords:
Bone graftBone harvestingCraniofacial surgeryCraniotomyOsteointegrationPiezosurgery

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Area of Science:

  • Neurosurgery
  • Pediatric Surgery
  • Surgical Technology

Background:

  • Piezosurgery (PS) use is expanding in neurosurgery, with limited pediatric experience primarily in craniosynostosis.
  • This study evaluates PS in pediatric cranial and spinal procedures, assessing outcomes and complications.

Purpose of the Study:

  • To assess the safety and efficacy of piezosurgery in pediatric neurosurgery.
  • To compare outcomes of PS versus conventional osteotomes in pediatric cranial and spinal surgeries.
  • To analyze complications, cosmetic results, and operative times associated with PS in children.

Main Methods:

  • Retrospective review of pediatric craniotomies and laminotomies from 2014-2017.
  • Comparison between piezosurgery (group A) and conventional osteotomes (group B).
  • Analysis of dural tears, estimated blood loss (EBL), transfusion rates, cosmetic outcome (Sloan score), and operative times.

Main Results:

  • Piezosurgery group showed statistically significant improvements in EBL and late cosmetic outcomes.
  • Reduced incidence of dural tears in the PS group (1 vs. 7), though not statistically significant.
  • Operative times were longer with traditional PS but significantly reduced with Piezosurgery Plus (PSP).

Conclusions:

  • Piezosurgery is a safe and effective tool for pediatric bone procedures, especially in cosmetically sensitive areas.
  • Recommended for bone splitting, grafts, laminotomy, and craniotomy in pediatric neurosurgery.
  • Learning curve and advancements like PSP can mitigate longer operative times.