What diseases are associated with decreased or absent bowel sounds?

Oct 08, 2022 Source: Cainiu Health

Dr. Zhao Haiming

Introduction

Decreased or absent bowel sounds are observed in conditions such as senile constipation, peritonitis, and paralytic intestinal obstruction. In elderly individuals, constipation leads to reduced gastrointestinal motility, resulting in diminished or absent bowel sounds. Peritonitis slows gastrointestinal movement, causing intestinal paralysis and subsequently decreased or absent bowel sounds. Paralytic intestinal obstruction weakens or stops muscular activity in the intestinal wall, leading to reduced or absent bowel sounds.

Decreased or absent bowel sounds may be observed in conditions such as senile constipation, peritonitis, and paralytic intestinal obstruction. It is recommended to seek medical evaluation at a hospital to determine the specific underlying cause of these symptoms.

1. Senile Constipation

Normally, bowel sounds occur about 4–5 times per minute. However, with aging, elderly individuals who develop constipation often experience reduced gastrointestinal motility, leading to diminished or absent bowel sounds.

2. Peritonitis

Peritonitis may result from bacterial infections or irritation caused by bile, gastric juice, intestinal fluid, or other substances. The inflammatory process can irritate the intestinal wall, slowing gastrointestinal motility and causing intestinal paralysis, which leads to decreased or absent bowel sounds.

3. Paralytic Intestinal Obstruction

Paralytic intestinal obstruction commonly occurs following spinal cord injury or surgery, when the nerves controlling intestinal movement become dysfunctional, resulting in weakened or halted contractions of the intestinal muscles. Additionally, metabolic waste products or toxins within the body may affect the intestinal muscle wall, impairing intestinal motility and subsequently causing reduced or absent bowel sounds.

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