Causes of colic and types requiring surgical intervention.

This research is about colic in horses, its causes and types that need surgical intervention. The paper asserts that the migration of strongyle larvae is the underlying cause of colic in horses and discusses how it affects different parts of the intestinal tract, needing surgical treatment in some cases.

Underlying Causes of Colic

• The paper identifies the migration of strongyle larvae as the root cause of colic in horses. Strongyles are types of intestinal worms that live in the horse’s digestive system and their migration within the tract might cause colic symptoms.
• Colic can also be symptomatic of disease conditions in any part of the intestinal tract. These conditions could include impactions, torsions, herniations, and foreign bodies causing obstruction within the tract.
• Pre- and post-partum conditions, such as torsion of the uterus, haemorrhage, rupture and inversion of the uterus can also lead to colic symptoms.

Types of Colic Requiring Surgical Intervention

• The paper specifies that lesions resulting in circulatory obstruction are the types of colic conditions that typically require surgical intervention.
• Six particular types of small intestine obstruction are highlighted., which include volvulus, herniations, intussusceptions, stenosis of the lumen of the bowel by external bands or foreign bodies, and chronic inflammatory lesions.
• The role of surgery is also discussed in treating large intestine obstructions, such as removing enteroliths which often result in rupture of the colon, or correcting torsions of the colon that quickly lead to septic shock. A ventral midline laparotomy is the suggested surgical approach, performed promptly to avoid extensive tissue necrosis. The survival rate for horses is reported at 30 percent or less for such surgeries.

Finding Diagnosis and Treatment Approaches

• A standing laparotomy is recommended for identifying the cause of colic, especially in cases of small colon impactions.
• Impactions account for a large percentage of the obstructions seen in the large intestine, with fewer obstructive lesions that typically affect the small intestine.
• Torsions of the colon rapidly produce septic shock, necessitating early surgical intervention. Therapeutically, massive intravenous hydration is needed to maintain the horse’s hydration.
• The small colon is also capable of rotation and volvulus, and strangulation at the umbilical or inguinal ring, necessitating surgical intervention.