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Gastrointestinal Motility Disorders01:20

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Gastrointestinal or GI motility disorders are characterized by irregular gastrointestinal tract movements, disrupting food transit from the mouth to the anus. They are caused by damage or dysfunction in gut muscles or nerves. These disorders can cause symptoms such as severe constipation, diarrhea, abdominal pain, and swallowing difficulties. Disorders can affect any segment of the GI tract and range widely in severity, from common conditions like GERD to life-threatening conditions like...
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Prokinetic agents are specialized medications that stimulate gastrointestinal (GI) motility, promoting food movement through the GI tract. Dopamine, an inhibitory neurotransmitter, plays a significant role in this process, reducing GI motility and indirectly controlling the speed of digestion. Dopamine receptor antagonists, such as metoclopramide and domperidone, offer a unique advantage as prokinetic agents. By blocking the dopamine receptors, these drugs increase GI motility, improving food...
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Diarrhea is characterized by the occurrence of frequent, watery bowel movements. Various factors can trigger diarrhea, including viral or bacterial infections, foodborne illnesses, side effects from certain medications, and underlying digestive disorders. If not adequately managed, diarrhea can lead to complications such as dehydration, electrolyte imbalances, and nutrient deficiencies. Severe diarrhea can lead to significant weight loss, malnutrition, and weakened immune function.
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Other Disorders of Digestive System01:30

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The gastrointestinal tract is susceptible to various disorders. If the lower esophageal sphincter is damaged, stomach acid can flow back into the esophagus, causing irritation and inflammation of the lining. This condition is called gastroesophageal reflux disease (known as heartburn) and may cause chest pain and difficulty swallowing. In the stomach, prolonged use of nonsteroidal anti-inflammatory drugs like aspirin, chronic alcohol consumption, bacterial infections such as Helicobacter...
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Serotonin, a crucial neurotransmitter synthesized by enterochromaffin cells, plays a cardinal role in regulating gastrointestinal (GI) motility. With over 90% of the body's total serotonin in the GI tract, its influence on digestive processes is profound. Serotonin is swiftly released upon various stimuli, such as food boluses or certain drugs, triggering intrinsic sensory neurons in the myenteric plexus and extrinsic vagal and spinal sensory neurons. This leads to the activation of the...
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Acute diarrhea, a common gastrointestinal disturbance, is characterized by the rapid evacuation of fluid stools, leading to an excessive weight in fluid. This condition typically arises from disorders affecting intestinal water and electrolyte transport. It can be triggered by an increased osmotic load within the intestine, excessive secretion of electrolytes and water, mucosal exudation of protein and fluid, or altered intestinal motility. The primary risks of acute diarrhea are dehydration...
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Gastrointestinal dysfunction in movement disorders.

Ryuji Sakakibara1

  • 1Sakura Medical Center, Toho University, 564-1 Shimoshizu, Sakura, 285-8741, Japan. sakakibara@sakura.med.toho-u.ac.jp.

Neurological Sciences : Official Journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology
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PubMed
Summary
This summary is machine-generated.

Gastrointestinal tract dysfunction is common in Parkinson

Keywords:
ConstipationGastrointestinal dysfunctionMovement disordersMultiple system atrophyParkinson’s disease

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Area of Science:

  • Neurology
  • Gastroenterology

Background:

  • Gastrointestinal tract (GIT) dysfunction is a frequent complication in Parkinson's disease (PD) and other movement disorders.
  • Bowel issues, such as constipation and fecal incontinence, significantly impact patient quality of life.

Purpose of the Study:

  • To review the clinical presentation, diagnostic methods, and therapeutic strategies for GIT dysfunction in patients with PD and related movement disorders.

Main Methods:

  • Literature review of clinical presentations, investigations, and treatment options for GIT dysfunction in movement disorders.
  • Analysis of common GIT symptoms including constipation, fecal incontinence, and GI emergencies.

Main Results:

  • Constipation and fecal incontinence are prevalent, with potential for severe complications like intestinal pseudo-obstruction.
  • Bowel dysfunction in these patients often involves a combination of slow transit and anorectal issues.
  • Management strategies include dietary modifications, prokinetic agents, and interventions for anorectal dysfunction.

Conclusions:

  • Bowel dysfunction is a significant and common issue in PD and other movement disorders.
  • Neurologists are crucial in evaluating and managing these symptoms, often requiring multidisciplinary collaboration.