Saturday, September 26, 2020

Can hernia be repaired laparoscopically?

Hernia is defined as protrusion of an organ through an abnormal opening in the wall of its containing cavity. Hernia genesis involves complex pathophysiological, biochemical, molecular, and perhaps genetic derangements that are, even today, not well understood. It usually occurs in the groin though it can affect other areas of abdominal wall also. In simple terms, it is an unsightly bulge in the abdomen which appears when one stands or strains. It reduces on lying down spontaneously or is pushed in manually. It may be associated with mild discomfort, pain or dragging sensation. If not treated in time, it may develop many complications. Some of these common complications are:

  Irreducible hernia – the bulge of the hernia cannot be pushed back because of adhesions between the contents like intestines and the sac or pouch of hernia.

  Obstructed hernia – The herniated intestines develop obstruction due to blockage by food or due to adhesions. The abdomen becomes swollen, develops progressive pain and patient fails to pass stools or wind.

  Strangulation – Due to tight hernia, the blood supply of the herniated intestines is blocked. This condition is very painful and can be life threatening. It requires emergency surgery.

Conventional groin hernia surgery is done by open method in which a large incision is made and the prolene mesh is placed to reinforce the weakness in the abdominal wall. But it resulted in prolonged hospital stay, recurrences and pain. The minimally invasive or laparoscopic repair of the hernias was first reported in 1982. Since then the technique has improved.

Principles of laparoscopic hernia repair:

The contents of the hernia like intestine or omentum is surgically reduces or replaced back into the abdominal cavity. Then an appropriate sized synthetic mesh is introduced into the abdominal cavity. This mesh covers the hernia defect and is fixed in place with surgical tackers. This repair prevents the protrusion of abdominal contents through the defect which is now blocked by the mesh. The laparoscopic repair is technically considered superior to the conventional open repair. It can be explained by a simple example. A hole in a bucket of water can be repaired by a patch which can be fixed inside or outside.Advantages of laparoscopic hernia repair:

  Bilateral inguinal hernias, recurrent hernias, and unilateral hernias with a suspected contralateral hernia can be repaired without a large incision or multiple incisions.

  Contralateral inguinal, femoral or occult hernias can be examined and repaired.

  Surgical trauma to skin, subcutaneous tissue, fascia and muscle is reduced. Also, the spermatic cord is not dissected circumferentially, thereby avoiding the possibility of injury to testicular artery resulting in testicular atrophy.

• Hernias that recur after open procedures can be repaired laparoscopically without operating through scarred tissue of the previous procedure.

• The recovery of the patient is faster. It results in reduced postoperative pain and earlier return to work.

Dr. Uday Singh Dadhwal

(Specialist General Surgery)

Bahrain Specialist Hospital

Email: uday.dadhwal@bsh.com

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