Everything about Appendectomy totally explained
An
appendicectomy (or
appendectomy) is the
surgical removal of the
vermiform appendix. This procedure is normally performed as an
emergency procedure, when the patient is suffering from acute
appendicitis. In the absence of surgical facilities,
intravenous antibiotics are used to delay or avoid the onset of
sepsis; it's now recognized that many cases will resolve when treated non-operatively. In some cases the appendicitis resolves completely; more often, an inflammatory mass forms around the appendix. This is a relative
contraindication to
surgery.
Appendicectomy may be performed
laparoscopically or as an open operation. Laparoscopy is often used if the
diagnosis is in doubt, or if it's desirable to hide the
scars in the
umbilicus or in the pubic hair line. Recovery may be a little quicker with laparoscopic surgery; the procedure is more expensive and resource-intensive than open surgery and generally takes a little longer, with the (low in most patients) additional risks associated with
pneumoperitoneum (inflating the abdomen with gas). Advanced pelvic sepsis occasionally requires a lower midline
laparotomy.
In general terms, the procedure for an open appendicectomy is as follows.
Antibiotics are given immediately if there are signs of
sepsis, otherwise a single dose of prophylactic intravenous antibiotics is given immediately prior to surgery.
General anaesthesia is induced, with
endotracheal intubation and full
muscle relaxation, and the patient is positioned
supine.
The
abdomen is prepared and draped and is examined under anaesthesia. If a mass is present, the incision is made over the mass; otherwise, the incision is made over
McBurney's point, one third of the way from the
anterior superior iliac spine (ASIS) and the umbilicus; this represents the position of the base of the appendix (the position of the tip is variable). The various layers of the
abdominal wall are then opened. The appendix is identified, mobilized and then ligated and divided at its base. Some surgeons choose to bury the stump of the appendix by inverting it so it points into the
caecum. Each layer of the abdominal wall is then closed in turn.
Emergency appendicectomy
An inflamed appendix can be life-threatening, particularly if the patient is out of reach of medical care. Historical records show a number of appendicectomies carried out by unskilled
ad hoc surgeons, communicating with a base hospital by telephone or even telegraph.
Prophylactic appendicectomy
To find the cause of unexplained abdominal pain,
exploratory surgery is sometimes performed. If the appendix is NOT the cause of symptoms, the
surgeon will thoroughly check the other abdominal organs and remove the appendix anyway, to prevent it from becoming a problem in the future.
When abdominal surgery is performed for an entirely different reason (for example hysterectomy or bowel resection), the surgeon sometimes decides to perform an appendicectomy in addition to the intended procedure, to eliminate the possible need of a future surgery just to remove the appendix. However, recent findings on the possible usefulness of the appendix has led to an abatement of this practice.
Pregnancy
If appendicitis develops in a
pregnant woman, an appendicectomy is usually performed and shouldn't harm the
fetus.
Recovery
Recovery time from the operation varies from person to person. Some will take up to three weeks before being completely active; for others it can be a matter of days. In the case of a laparoscopic operation, the patient will have three stapled scars of about an inch in length, between the navel and pubic hair line. When a laparotomy has been performed the patient will have a 2-3 inch scar, which will initially be heavily bruised.
Further Information
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