Endocrine Considerations of the Pediatric Organ Donor

Ronish Gupta1, Sonny Dhanani1

  • 1Division of Critical Care, University of Ottawa, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada.

Insights

Neurologically deceased organ donors can experience endocrine pathway disruptions, impacting organ donation success. This review focuses on managing these hormonal imbalances, especially in pediatric cases, to improve outcomes.

Area of Science:

  • Endocrinology
  • Neurosurgery
  • Transplantation

Background:

  • Neurological death disrupts neurohormonal control, leading to endocrine imbalances.
  • These imbalances cause hemodynamic, metabolic, and immunologic issues, affecting organ procurement and function.
  • Existing literature addresses some endocrine pathophysiology, but pediatric-specific guidance is limited.

Purpose of the Study:

  • To review endocrine management strategies for neurologically deceased organ donors.
  • To highlight the impact of endocrine dysfunction on organ donation.
  • To emphasize pediatric considerations in managing these donors.

Main Methods:

  • Literature review of endocrine pathways in neurologically deceased organ donors.
  • Analysis of existing guidelines and research, with a focus on pediatric data.
  • Synthesis of information on hormonal therapies for organ donor management.

Main Results:

  • Commonly encountered endocrine issues include diabetes insipidus due to arginine vasopressin deficiency.
  • The role of other hormonal abnormalities (cortisol, thyroid) in organ dysfunction is under investigation.
  • Evidence supports the use of combined hormonal therapies to support organ donors.

Conclusions:

  • Effective endocrine management is crucial for optimizing organ donor potential.
  • Further research is needed, particularly for pediatric organ donors.
  • Addressing endocrine homeostasis may improve graft procurement and function.

Related Concept Videos

Endocrine Signaling01:45

Endocrine Signaling

Endocrine cells produce hormones to communicate with remote target cells found in other organs. The hormone reaches these distant areas using the circulatory system. This exposes the whole organism to the hormone but only those cells expressing hormone receptors or target cells are affected. Thus, endocrine signaling induces slow responses from its target cells but these effects also last longer.
68.0K
What is the Endocrine System?00:46

What is the Endocrine System?

The endocrine system sends hormones—chemical signals—through the bloodstream to target cells—the cells the hormones selectively affect. These signals are produced in endocrine cells, secreted into the extracellular fluid, and then diffuse into the blood. Eventually, they diffuse out of the blood and bind to target cells which have specialized receptors to recognize the hormones.
420.2K
The Endocrine System01:29

The Endocrine System

The endocrine system is an extensive network of glands – organs or tissues in the body that create chemicals that control many bodily functions, that secrete hormones, which are chemical messengers that play essential roles in regulating various bodily functions. These hormones are secreted into the bloodstream and travel throughout the body. They require specific receptors to convey signals to cells possessing these corresponding receptors. This complex signaling mechanism ensures that...
1.3K
An Overview of the Endocrine System01:10

An Overview of the Endocrine System

The endocrine system, a complex network of glands, orchestrates physiological balance within the body through the production and secretion of hormones. These hormones are chemical messengers in intercellular communication, acting as conduits between the secretory cells and distant target sites. They traverse the circulatory system by being released into the extracellular fluid, and their impact is specific to cells possessing receptors for a particular hormone.
The endocrine system collaborates...
13.6K
Structures of the Endocrine System00:59

Structures of the Endocrine System

The intricate framework of the endocrine system encompasses a diverse array of glands, with their target tissues and organs strategically distributed throughout the body. Central to this network are the endocrine glands, specialized structures that lack ducts and release hormones directly into the interstitial fluid. Notably, the hypothalamus, a vital neuroendocrine organ situated in the brain, governs neural functions and serves as a potent source of hormonal regulation. Near the hypothalamus...
11.8K
Design Consideration01:22

Design Consideration

Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key...
560