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Anatomy of the Intestines01:23

Anatomy of the Intestines

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Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
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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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Small Intestine01:15

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The small intestine is primarily responsible for digestion and nutrient absorption. It spans from the pyloric sphincter to the ileocecal valve and connects to the large intestine.
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The large intestine is divided into three main regions: the cecum, colon, and rectum. Extending from the ileocecal valve to the anus, it frames the small intestine on three sides.
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Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

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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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Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

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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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Transplantation of Zebrafish Pediatric Brain Tumors into Immune-competent Hosts for Long-term Study of Tumor Cell Behavior and Drug Response
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Pediatric Intestinal Transplantation.

Neslihan Celik1, George V Mazariegos1, Kyle Soltys1

  • 1Department of Surgery, Division of Pediatric Transplantation, Hillman Center for Pediatric Transplantation, Children's Hospital of Pittsburgh of UPMC, 4401 Penn Avenue, Pittsburgh, PA 15224, USA.

Gastroenterology Clinics of North America
|May 9, 2018
PubMed
Summary
This summary is machine-generated.

Pediatric intestinal transplantation is now a viable therapy for children with intestinal failure. While outcomes improve, long-term graft function faces challenges from chronic rejection and immunosuppression side effects.

Keywords:
ImmunosuppressionIntestinal failurePediatric intestinal transplantationShort gut syndrome

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Area of Science:

  • Gastroenterology and Hepatology
  • Transplantation Surgery
  • Pediatric Surgery

Background:

  • Pediatric intestinal transplantation is an established therapy for irreversible intestinal failure.
  • Advancements in managing intestinal failure and parenteral nutrition complications have improved outcomes.
  • Reduced incidence of parenteral nutrition-associated liver disease and enhanced intestinal adaptation are noted.

Purpose of the Study:

  • To review the evolving indications for pediatric intestinal transplantation.
  • To discuss improvements in long-term outcomes.
  • To identify persistent challenges in long-term graft function.

Main Methods:

  • Literature review of pediatric intestinal transplantation.
  • Analysis of trends in indications and outcomes.
  • Discussion of current challenges and future directions.

Main Results:

  • Pediatric intestinal transplantation is a recognized treatment for specific pediatric conditions.
  • Indications are shifting due to better management of intestinal failure and its complications.
  • Long-term graft survival has improved, but chronic rejection and immunosuppression issues persist.

Conclusions:

  • Pediatric intestinal transplantation offers a life-saving option for children with intestinal failure.
  • Ongoing research is needed to overcome challenges in long-term graft function and immunosuppression.
  • Further improvements in managing chronic rejection are crucial for sustained success.