Laparoscopy
-- The Kinder Cut
from
the book How to Have a Baby: Overcoming Infertility
by Dr. Aniruddha
Malpani, MD and Dr. Anjali Malpani, MD.
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Laparoscopy
is a surgical procedure in which a telescope is inserted inside the
abdomen through a small cut below the navel, so that the doctor can
have a look at the pelvic organs in the infertile woman. A laparoscopy
can lead to the diagnosis of many problems which cause infertility
including damaged tubes, endometriosis, adhesions and tuberculosis.
When
is laparoscopy done?
Most
infertile women require diagnostic laparoscopy in order to complete
their evaluation. Generally, the procedure is performed after the
basic infertility tests, although the presence of pain or other problems
(such as a history of previous surgery) may signal that a laparoscopy
until the rest of your evaluation is completed, since it is a surgical
procedure.
Timing
the surgery
Some
doctors will time the laparoscopy during the premenstrual phase (the
week before the next period is due). They combine the laparoscopy
with a dilatation and curettage (D & C) (scraping the inside of
the uterine cavity) so that they can also get information on the woman's
ovulatory status in the same procedure.
Some
doctors try to perform the diagnostic laparoscopy during the periovulatory
period (i.e., when the eggs are ripe, as judged by ultrasound) because
such timing allows them to visualize follicular development. Some
others prefer this timing so that they can treat the infertility at
the same by doing an intratubal insemination (also called SIFT or
sperm intrafallopian transfer) in that cycle, if appropriate. This
would be possible only if a previously done HSG showed be possible
only if a previously done HSG showed that the tubes were normal.
Precautions
before surgery
The patient
is advised not to eat or drink anything for a specific time before
the operation. Some tests may also be done before the procedure, to
ensure safety for anesthesia, though for most young healthy women
tests are usually not needed. Some doctors may want a HSG (hysterosalpingogram)
done before performing a laparoscopy.
The surgery
is usually done on a day-care basis. Laparoscopy is done under general
anesthesia so that the patient remains asleep during surgery and does
not feel any discomfort.
The
laparoscopic procedure
First
of all, the abdomen is cleansed and draped for the procedure. Then
an instrument may be placed in the uterus through the vagina. A gas,
such as carbon dioxide or nitrous oxide or air is then allowed to
flow into the abdomen just below the belly button. This gas creates
a space inside by pushing the abdominal wall and the bowel away from
the organs in the pelvic area and makes it easier to see the reproductive
organs clearly.
The laparoscope,
which is a slender tube, like a miniature telescope, is then inserted
through a small incision just below the navel. During the laparoscopy
a small probe is placed through another incision in order to move
the pelvic organs into clear view. A diagnostic laparoscopy is incomplete
without a "second puncture" because, without this second probe, it
is not possible to visualize all the structures completely. During
the laparoscopy the entire pelvis is carefully scanned and the organs
inspected systematically - the uterus; the ovaries; and the lining
of the abdomen, called the peritoneum. In addition to looking for
diseases affecting these structures, the doctor also looks for adhesions
(bands of scar tissue), endometriosis and tubercles. In case abnormalities
are found, the doctor can either try to correct them (operative laparoscopy),
or take out bits of tissue for histologic examination (biopsy) with
a biopsy forceps. A blue dye (methylene blue) is then injected through
the uterus and fallopian tubes to check whether the tubes are open.
When the surgery is complete, the gas is removed and one or two stitches
inserted to close the incisions. Since the incisions are so small,
often stitches are not needed and they can be closed with Band-Aids.

Fig
1. A laparoscopy being performed. Note that the view through the
laparoscope can be seen on the TV monitor.

Fig
2. Normal pelvis as seen during a laparoscopy. The uterus is the
reddish structure in the center; on either side of which are the
pink fallopian tubes. These run towards the ovaries, which are white
in colour.
As stated
earlier, along with laparoscopy, some doctors carry out a dilatation
and curettage (D & C) and send the endometrial curettings for
histologic examination to rule out the possibility of hidden tuberculosis,
and also to find out if ovulation is taking place. Others will do
a diagnostic hysteroscopy at the same time, to ensure that the uterine
cavity is normal.
Another
advanced technique available now is called videolaparoscopy. It is
possible to connect a video camera to the laparoscopy, so that what
the surgeon sees can be displayed on a TV monitor. This kind of laparoscopy
can be very useful for documentation and record-keeping. It is also
very helpful for patient education, since the doctors can use the
video later on to explain to the patient the exact nature of her problem.
Recent
advances in miniaturization have allowed companies to manufacture
very tiny laparoscopes. These are as thin as a needle, and are called
microlaparoscopes or needlescopes. These allow doctors to perform
laparoscopy in the clinic itself, without using anesthesia. However,
the quality of the images is still not very good with these tiny scopes.
Dr Brosens
from Belgium has also introduced the technique of transvaginal hydrolaparoscopy.
This allows the doctor to examine the pelvis by inserting a tiny scope
through the vagina, so that no abdominal incision needs to be made.
The value of this technique as compared to conventional laparoscopy
is still being studied.
Operative
laparoscopy
During
operative laparoscopy, many problems which cause infertility can be
safely treated through the laparoscope at the same time that the diagnosis
is made. When performing operative laparoscopy, additional instruments
such as probes, scissors, biopsy forceps, coagulators and suture materials
are placed into the abdomen, either through the laparoscope or through
two or three additional incisions called "suprapubic punctures", which
are made above the pubis.
Some
of the disorders that can be corrected with the help of the aforementioned
procedure include: releasing scar tissue and/or adhesions from around
the fallopian tubes and ovaries; opening blocked tubes; and removing
ovarian cysts. Endometriosis can also be destroyed by burning it from
the back of the uterus, ovaries, or peritoneum during operative laparoscopy.
Under certain circumstances, small fibroid tumors can be removed and
ectopic pregnancies can be treated.
When
performing operative laparoscopy, surgeons may use electrocautery
instruments, lasers, and sutures. The choice of the technique used
depends on many factors including the surgeon's training, location
of the problem, and availability of equipment.
Sometimes,
a "second-look" laparoscopy may be recommended. This procedure is
performed following either operative laparoscopy or major tubal surgery.
Second-look laparoscopy can take place within a few days following
the initial surgery or many months afterwards. During the procedure,
the doctor determines whether adhesions are re-forming or if endometriosis
is returning and these conditions can be treated in needed.
After
surgery, the patient needs to rest for about 2 to 4 hours in order
to recover from the effects of anesthesia. She can usually go home
the same day and resume normal work in 2 to 3 days. Sexual activity
can be resumed in a week or so, depending upon the doctor's advice.
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