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The outcome of any hypothesis testing leads to rejecting or not rejecting the null hypothesis. This decision is taken based on the analysis of the data, an appropriate test statistic, an appropriate confidence level, the critical values, and P-values. However, when the evidence suggests that the null hypothesis cannot be rejected, is it right to say, 'Accept' the null hypothesis?
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Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
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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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Scar acceptance after pediatric urologic surgery.

Mary K Wang1, Yi Li1, Rachel E Selekman1

  • 1Department of Urology, Division of Pediatric Urology, University of California, San Francisco, CA, USA.

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|February 14, 2018
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Summary

Pediatric urologic surgery scars grow over time, with variations based on patient race. Most families are satisfied with the cosmetic outcome, regardless of surgical approach or race.

Keywords:
FlankPfannenstielPyeloplastyUreteral reimplantation

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Area of Science:

  • Pediatric Urology
  • Surgical Scarring
  • Cosmetic Outcomes

Background:

  • Pediatric urologic surgery is common in infants and young children.
  • Understanding the long-term cosmetic impact of these scars is crucial for patient and parental satisfaction.

Purpose of the Study:

  • To evaluate the long-term evolution of surgical scars after pediatric urologic surgery.
  • To assess patient and parental satisfaction with scar appearance.
  • To inform surgical approach decisions based on cosmetic outcomes.

Main Methods:

  • Cross-sectional study evaluating patients years after pediatric urologic surgery.
  • Abbreviated validated questionnaire used for scar satisfaction assessment.
  • Scar length measured and compared to immediate postoperative length.

Main Results:

  • Eighty-two children evaluated; median age at surgery 1 year, at follow-up 7 years.
  • Pyeloplasty and ureteral reimplantation were common procedures.
  • Most families (84%) reported no bother with scars; surgical approach did not significantly impact satisfaction.
  • Scars grew over time: open surgery scars increased from 4cm to 6cm, laparoscopic from 0.8cm to 1.1cm.
  • Scar growth varied by race, with Asian children showing the least change (0.3%).

Conclusions:

  • The majority of families are satisfied with scar appearance after pediatric urologic surgery.
  • Surgical scars increase in length over time, irrespective of surgical approach.
  • Scar growth exhibits variations based on patient race, with less growth observed in Asian children.