Preterm birth and cerebellar neuropathology

Christopher R Pierson1, Fahd Al Sufiani2

  • 1Nationwide Children's Hospital, Department of Pathology and Laboratory Medicine, The Ohio State University College of Medicine, Columbus, OH, USA; Department of Pathology, The Ohio State University College of Medicine, Columbus, OH, USA; Division of Anatomy, The Ohio State University College of Medicine, Columbus, OH, USA.

Insights

Cerebellar pathology is increasingly recognized in premature infants, impacting neurodevelopmental disabilities. Understanding acquired cerebellar conditions like atrophy, hemorrhage, and infarction is crucial for this vulnerable population.

Area of Science:

  • Neonatal neurology
  • Pediatric neurodevelopmental disorders
  • Cerebellar development and pathology

Background:

  • Improved survival rates in premature infants have led to the recognition of more neurodevelopmental disabilities.
  • Cerebellar pathology is implicated in the origin of these disabilities but remains under-recognized compared to supratentorial issues.
  • The developing cerebellum is susceptible to injury during the extended period of development in premature infants.

Purpose of the Study:

  • To provide a concise review of established acquired cerebellar pathologies in premature infants.
  • To highlight cerebellar atrophy/hypoplasia, hemorrhage, and infarction as key conditions.
  • To emphasize the potential long-term implications of cerebellar injury on neurodevelopment.

Main Methods:

  • This is a review article, synthesizing existing literature on acquired cerebellar pathologies in premature infants.
  • Focus is on established pathologies, not novel findings.
  • Literature search and synthesis of data on cerebellar atrophy, hemorrhage, and infarction.

Main Results:

  • Acquired cerebellar pathologies, including atrophy/hypoplasia, hemorrhage, and infarction, are significant concerns in premature infants.
  • Cerebellar injury can disrupt normal cerebellar growth and neural circuitry development.
  • These injuries have the potential for lifelong neurodevelopmental consequences.

Conclusions:

  • Cerebellar pathology is a critical, yet often overlooked, factor in the neurodevelopmental outcomes of premature infants.
  • Understanding these acquired conditions is essential for research into causes and effects of neurodevelopmental disabilities.
  • Early recognition and management of cerebellar injury may mitigate long-term impacts.

Related Concept Videos

Neurulation01:30

Neurulation

Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the three primary cell layers of the embryo: ectoderm, mesoderm, and endoderm. In humans, the majority of this system is formed via primary neurulation, in which the central portion of the ectoderm—originally appearing as a flat sheet of cells—folds upwards and inwards, sealing off to form a hollow neural tube. As development proceeds, the...
47.2K
Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
1.4K
Teratogenicity01:07

Teratogenicity

The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
4.5K
Cerebellum: Anatomical Regions01:17

Cerebellum: Anatomical Regions

The cerebellum, also known as the "little brain," is located in the posterior cranial fossa, inferior to the tentorium cerebelli and dorsal to the brainstem. It plays a significant role in motor control, coordination, and proprioception.
Cerebellar Structure
Externally, the cerebellum features a highly convoluted surface with numerous folia (narrow ridges) separated by shallow sulci (grooves). The cerebellum is divided into two hemispheres by a thin median structure known as the vermis. The...
5.5K