Acute Intestinal Obstruction

Question 1

Definition

Answer 1

Complication of a disease characterized by complete impairment of the contents of the passage through the
intestine due to a mechanical obstacle of intestinal motor function disturbance manifesting as
stools & gas retention with further severe homeostasis impairments.

Intestinal obstruction is a complete or partial disturbance of intestinal evacuation and peristalsis resulting from various causes which manifests by specific clinical course and morphologic changes of involved part of the bowel

Question 2

Classification of Acute Intestinal Obstruction (AIO)

Answer 2

According to mechanism detiological factors.
1. Dynamic obstruction
Steady paresis/paralysis of whole intestine or its section
Steady intestinal spasm
causes
9) Paralytic : Inflammation in abdominal cavity , resulting in disseminated peritonitis
Inflammation in retroperitoneal space (pancreonecrosis, paranephritis
Inflammation of intestine (Crohn’s disease
Trauma of abdominal cavity
Metabolic Impairments
Thrombosis Eembolism and embolism of mesenterial blood vessels
b) Spastic : Intoxication by lead poisoning.Observed in porphyria, helminthic invasion
Hemostatic AlO

2) Mechanical obstruction
Can be
Strangulated or obturational