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Related Concept Videos

Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
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Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

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 a challenge in...
Acute Pancreatitis II: Clinical Manifestations and Management01:30

Acute Pancreatitis II: Clinical Manifestations and Management

Acute pancreatitis presents a complex medical emergency characterized by rapid onset inflammation of the pancreas, demanding timely diagnosis and management to prevent complications. The condition primarily manifests through severe upper abdominal pain that often radiates to the back. This pain intensifies following the consumption of fatty foods. Accompanying symptoms such as nausea, vomiting, abdominal distention, fever, dyspnea, cyanosis, and jaundice can vary in intensity but significantly...
Parentral Nutrition: Centeral and Peripheral Parental Nutrition01:27

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
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Pharmacokinetics in Pediatric Patients: Drug Excretion

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Related Experiment Videos

Pediatric biliary interventions.

John M Racadio1, Kamlesh Kukreja

  • 1Department of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229-3039, USA. john.racadio@cchmc.org

Techniques in Vascular and Interventional Radiology
|November 9, 2010
PubMed
Summary
This summary is machine-generated.

Percutaneous transhepatic cholangiography (PTC) is the primary method for diagnosing and treating biliary issues in pediatric liver transplant recipients when endoscopic retrograde cholangiopancreatography is not feasible. This minimally invasive approach offers effective biliary intervention for children, even with challenging anatomy.

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Area of Science:

  • Pediatric Hepatology
  • Interventional Radiology
  • Transplant Surgery

Background:

  • Liver transplant complications, such as biliary strictures and leaks, are common in children.
  • Roux-en-Y biliary-enteric anastomosis in pediatric liver transplants precludes endoscopic retrograde cholangiopancreatography.
  • Percutaneous transhepatic cholangiography (PTC) is the preferred initial approach for biliary evaluation and intervention in this population.

Purpose of the Study:

  • To evaluate the efficacy and challenges of percutaneous biliary intervention in pediatric liver transplant recipients.
  • To establish PTC as a first-line treatment for biliary obstruction in pediatric liver transplant patients.
  • To compare the outcomes of percutaneous biliary intervention in children with those in adults.

Main Methods:

  • Utilizing ultrasound guidance for percutaneous transhepatic cholangiography (PTC) and biliary interventions.
  • Managing biliary obstruction and stenosis through percutaneous drainage and balloon dilation (cholangioplasty).
  • Performing repeat procedures, including cholangioplasties and catheter exchanges, as needed for long-term management.

Main Results:

  • Technical success rates for PTC and biliary drainage in children are comparable to adults, despite potential challenges like minimal ductal dilation.
  • Percutaneous biliary intervention requires a long-term commitment, often spanning months to over a year.
  • The procedure demonstrates a low morbidity and mortality rate compared to open surgical options.

Conclusions:

  • Percutaneous biliary intervention, primarily PTC, is a safe and effective first-line treatment for biliary stenosis in pediatric liver transplant recipients.
  • This minimally invasive approach is also recommended for non-transplant pediatric patients unsuitable for endoscopic treatment.
  • Long-term management of biliary complications post-liver transplant necessitates a dedicated, often prolonged, interventional radiology strategy.