Information about Endometriosis, latest news and research.
I have a question about me.For about the past 6 months i’ve had rectal bleeding ONLY when I have my period. I tried going to a clinic and the doctor told me there’s no way it is endometriosis. I know it is and am scared to death. what do I do? I have n
I would go into your gp and ask to be sent to a bowel specialist to start with as having rectal bleeding every month during your period is not normal at all.
Treatment for endometriosis varies from surgical procedures to hormonal treatments.
It is advised that before you undergo treatment, you gather all the information possible in order to make the decision that’s best for you.
There is only one certain way to diagnose Endometriosis and that is by a minor surgerical procedure called a laproscopy. During a laproscopy, the patient is put to sleep with anesthetic and their abdomen is distended with carbon dioxide gas to make the organs easier to see. While the patient is under anesthesia, a laproscope is inserted into a tiny incision in the abdomen and by moving it around, the surgeon can check the abdomincal organs to see if there are any endometrial implants.
Some of the more common symptoms of endometriosis are: ->PAIN-which can be experienced before or during periods or continuously throughout the month; the pain can be a typical low pelvice cramping, pain with sexual intercourse, with bowel movements, lower back pain, or merely with movement.
No one knows why people get endo, or what causes it. Perhaps one day these questions will have answers. Until then, research on endometriosis needs to continue to be done. Research is underway in several centres across the world looking for genes that may make people susceptable to endometriosis, if successful this may well hold the key to a cure or even a test to see if someone will get it in the near future!
Endometriosis knows no bounds and affects women of any age, race, or class. It is not fatal but it certainly can cause a lot of problems for the woman who has it. Endometriosis can be triggered at any age once puberty starts – it is unusual for it to be triggered to such a degree as to cause discomfort before then. It happens to women of all races, however some recent studies imply some races are more susceptable than others – If we get proper numbers from such studies we will post on the site to inform you – right now this information seems to be very vague so not worth going into at the moment.
This site is produced to help everyone around the world understand what Endometriosis is and to increase world wide awareness about the disease. This site is also designed to help offer support to those with the disease and those who are affected by the disease (partners,spouses and parents etc..) The site was created back in 2001 ish because there was a severe lack of information on endometriosis on the Internet and especially practical information with real viewpoints rather than conjecture by people without endo. Since then the site has grown consistently keeping up with advances in our knowledge and in advances in medicine where possible. Now there are many similar sites, but we hope this site offers the support needed to sufferers and welcome any suggestions on content or advice.
Now as times have moved on we are on the third incarnation of the site – and we are keeping it more up-to-date than ever. Information is a lot easier to find about endometriosis now, but there is still a lack of proper life stories and experiences out there, there is now a lot of opportunistic sites which offer quick fixes for this incurable malady – the latest update of the site is done with an element of hope, as our personal experiences have shown there is life with Endo – and real hope.
– Michael & Arianna
Endometriosis is generally recognised to have four stages, some doctors may talk of five stages where stage 4 is taken a step further – below is our understanding of the four stages.
Stage One Endometriosis
A few cells/implants are present, often in the pelvic area, even at this stage some women can suffer significant symptoms. Often after surgery women to remove the cells/implants are back to stage one (assuming surgery is taken to tackle the latter stages).
Stage Two Endometriosis
Endometrial cells are found in more areas, often on one or both ovaries. At this stage fertility may start to be affected due to these.
Stage Three Endometriosis
More cells are found in the pelvic area and can be seen more easily during diagnostic laproscopy. Pain is often severe and fertility is often impaired as a result of the pain and distress due to the spreading of the cells.
Stage Four Endometriosis
This is the most severe stage, often organs are joined by fibrous strands due to the spread of the endometriosis. Inflammation is often extensive due to the irritation of the organs as the body reacts to the cells. At this stage fertility is almost certainly affected alongside severe pain. (It should be noted that due to the variance of endometriosis it is possible to be at Stage 4 and not be affected).
These stages are a rough guide and give you an idea when someone talks about stages. With endometriosis someone can be stage one and have the same symptoms as someone in stage 4, it all depends where the cells are and so what is irritated or damaged as a result.
This post just covers what Endometriosis is, you will find other information on the site about symptoms and treatments.
Endometriosis is the abnormal growth of endometrial cells that spread to areas in the body where they do not belong.
Usually endometrial cells exist within the lining of the womb and are shed during menstruation (period) – whilst they exist and are shed they do not cause endometriosis (they are supposed to exist in this situation).
Endometriosis cells can grow in many areas of the body, they have been reported in the brain, eyes , nose and more commonly in fallopian tubes, the outer surface of the uterus, pelvic organs, the ovaries, colon, bladder and the sides of the pelvic cavity.
As normal during menstruation these cells will become filled with blood and may bleed, unfortunately when they are present elsewhere in the body this can lead to pain due to inflammation and other complications. Often as a result of this symtons are cyclical – especially initially and is often mis-diagnosed as “period pain” or “cramps” etc… It is worth noting that symtpoms can occur at any time and do vary from person to person, this is one of the reasons why we need sites like this!
A Review of Endometriosis
© Danny Tucker MRCOG
Women’s Health UK, 2000
www.womens-health.co.uk
Introduction
Endometriosis is a relatively common condition that can cause significant pain and suffering. At the other end of the scale, it can exist without any sign of its presence. Overall, between 3-10% of women aged between 15-45 years have endometriosis. In women who have difficulties conceiving, this rises to about 25-35%.
It used to be believed that the disease is more common in goal-orientated, professional women over the age of 30, but this misconception is now well disproven. It does not usually occur before puberty (though it has been reported), and it can be present for the first time in women who have already had children.
Further information will be found in the sections below:
What is it?
What exactly is endometriosis and what problems can it cause?
Diagnosis
How do I find out if I’ve got endometriosis?
Treatments
An overview of treatment options available.
Drug Treatment
A detailed description of the various drugs used to treat endometriosis.
Surgical Treatment
Laparoscopy and open surgery options, treatment results and recurrence risks…
What is it?
What exactly is endometriosis?
Endometriosis is small deposits of the womb lining that are located outside of the womb cavity. The most common place to find it is on the ovary, the back of the uterus and the ligamentous supports that hold the uterus in its normal position (uterosacral ligaments). It can also be found on the thin lining of the pelvic organs (the peritoneum), on the tubes, between the vagina and rectum (rectovaginal septum), in or on the bladder, in abdominal scars from previous surgery and even as far away from the pelvis as the lung!
Each time that you have a normal period, so this endometriosis does also, and this leads to cyclical swelling, stretching of tissues, inflammation and scarring. Eventually all the scarring and inflammation can lead to symptoms even when you’re not having a period.
It is more common in women whose relatives have endometriosis, in women who have cycles shorter than 28 days and those who typically have a period lasting longer than a week. Many cases occur in women without these associations, of course, and not all women who fit into the above categories necessarily get endometriosis.
What causes endometriosis?
There are several theories behind this, one possible cause is called retrograde menstruation. Normally during a period the menstrual blood comes out of the cervix and into the vagina. In around 75% of women, a small amount of blood flows backwards down the fallopian tubes and into the pelvic cavity. This blood contains tiny seedlings of the lining of the womb – endometrium. It is not known why in some women this might implant and lead to endometriosis, but not in others – it may have something to do with a particular woman’s immune response and ability to fight off & remove these seedlings.
The metaplasia theory suggests that because the uterus, tubes, peritoneum and part of the ovary are all developed from the same area in the fetus, endometriosis might be caused by some cells taking the wrong turn during development.
The vascular theory rests on the fact that endometrial tissue from the lining of the womb can be found in the blood stream. It might be that these small deposits end up in other areas far from the womb and grow from there. This would explain the rare finding of endometriosis in sites such as the lung.
Most likely there is no one simple answer to explain it, and the true cause is a composite of all these.
What problems can it cause?
The most common problems are:
The pelvic pain caused by endometriosis can be very variable. It may be like a dull ache located generally over the lower abdomen, or may be more severe. It can be more localised into the rectum (back passage) or cause urinary symptoms. Sometimes the degree of pain felt by a woman is not related to the extent of disease found when the endometriosis is diagnosed. Some women have very extensive endometriosis, but their pain & discomfort is minimal. Others have only a few spots noted and the pain is very disabling. In general, however, the more endometriosis that is present, the more likely you are to have symptoms.
Painful periods are often the first sign a woman might have that endometriosis is present. The pain usually begins a few days before the period is due and continues throughout the period. It is typically located in the centre of the pelvis, but can be one-sided. It may go into the back or down the legs.
Pain on intercourse is often worse with a particular position and especially with deep penetration. Many women experience an aching in the pelvis after intercourse.
The link between endometriosis and infertility is sometimes difficult to explain. When the disease is so bad that there is much scarring around the tubes, or there are ovarian cysts, it is not surprising that this might interfere with normal fertility. It is less clear how a few small spots of endometriosis might have a detrimental effect on attempts at pregnancy. Nevertheless, studies have found that endometriosis is more common in women who have difficulty conceiving, supporting the link. Also, another major study looking at treatment of mild to moderate endometriosis did find an improved fertility rate in women who received treatment.
Other symptoms
Although the above problems are most common, some women experience other symptoms related to where endometriosis might have implanted:
Diagnosis of endometriosis
Examination findings
A pelvic examination can sometimes suggest the presence of endometriosis. Typical findings depend on the severity of the disease and where it is located. A normal uterus is quite mobile, but the scarring of endometriosis can make it tender and fixed in the pelvis. There may be a swelling felt on one of the ovaries because of an endometriosis cyst. The uterosacral ligaments are one of the supports of the uterus where endometriosis can occur and these can be felt just above the cervix. Tender nodules in this area can suggest its presence.
Diagnostic laparoscopy
To confirm endometriosis requires a diagnostic laparoscopy. This is where a small telescope is passed through the umbilicus to gain access to the pelvis. A picture of the pelvis is viewed on a TV screen and the presence of endometriosis and its stage assessed. There is an information sheet on the website containing more information on diagnostic laparoscopy. Ultrasound is useful to help diagnose endometriosis cysts of the ovary.
At laparoscopy the appearance of endometriosis is quite variable. It can take one of the following appearances:
In more advanced cases of endometriosis there might be web-like scar tissue, adhesions, sticking the ovary to the side of the pelvis or the tube to the uterus, distorting the normal position of the pelvic organs. Even if the endometriosis is silent, adhesions can cause pain, particularly if they affect the bowel or the ovary. Stretching of the ovary and surrounding adhesions when an egg is developing toward midcycle will cause pain & make it sensitive during intercourse. Similarly the normal movement of the bowel as food passes through can lead to pressure symptoms if it is stuck down in adhesions.
Endometriosis can affect the ovary with the development of benign ovarian cysts called endometriomas. These can be as small as a grape or as large as grapefruit. Bleeding into the cysts leads to collection of old, dark-brown coloured blood and this is why they are sometimes called ‘chocolate cysts’. A woman may suddenly feel pain if there is bleeding into an endometrioma with stretching of the capsule. Similarly if an endometrioma bursts, the blood spilled will cause irritation and can lead to the development of adhesions.
Laparoscopic photographs of endometriosis
The small black spots are endometriosis on the peritoneum
An experienced surgeon should be able to identify this disease in all its various forms and undertake treatment at the time of diagnosis, where appropriate. This is the most effective form of treatment for mild to moderate endometriosis and should be considered the first-line approach. More advanced endometriosis will normally need a separately planned operation where more time is available to sort things out fully.
Laparoscopic view of an endometrioma of the left ovary.
Note the ‘chocolate’ blood coming from where it has burst.
Staging of endometriosis
Endometriosis is staged depending upon the amount present, the areas it involves and the presence of secondary scarring. Staging is graded by the revised American Fertility Society score. Mild disease (rAFS stage I and II) is generally limited to small to medium-sized lesions with variable degrees of penetration. More severe disease (rAFS stage III and IV) suggests the presence of adhesions around the ovaries, tubal disruption and ovarian endometriomas.
Treatments
There are several options for treating endometriosis, and each has its place for different women’s disease. The options are as follows:
If endometriosis is found, for example, at the time of laparoscopic sterilisation and it is only mild, causing no symptoms at all, then it is quite reasonable to leave well alone and avoid any treatment at all. Some surgeons might burn it away at the time of diagnosis even if it isn’t causing symptoms at that time.
Symptom management
Management of the symptoms means using painkillers to make the painful periods more tolerable or for cyclical pain if it is not too bad. Some of the pain is caused by hormones called ‘prostaglandins’ which make the uterus contract. Ibuprofen and mefanamic acid (Ponstan) are anti-inflammatory drugs that reduce levels of prostaglandins and often help with the pain. If there is not prompt response to analgesics, it is sensible to move onto some hormonal treatment, that will actually shrink the endometriosis itself, or to consider one of the surgical approaches.
Assisted conception
If endometriosis is associated with infertility, another way of ‘managing the symptoms’ is to use assisted conception (in-vitro fertilisation or IVF, sometimes called ‘test-tube baby’). This won’t deal with the endometriosis, but the approach might be suitable for a woman with minimal other symptoms, who is older & doesn’t have as much time to undergo prolonged treatments or sit around on a waiting list for surgery. Also, if other treatments have failed and infertility persists, assisted conception is usually the only remaining option.
Medical and surgical treatments
These will be discussed more fully in the next section.
Medical treatment
Treatment of endometriosis with drugs can result in great improvement of symptoms such as painful periods, pain on intercourse and pelvic pain. Three important facts must be understood before choosing a medical treatment:
The aim of medical treatment is to break the cycle of stimulation and bleeding. By stopping the ovary’s usual hormonal cycle and reducing oestrogen levels, the endometriosis deposits shrink down and become inactive. The endometriosis is still there, and will gradually become reactivated when the normal menstrual cycle starts again. Ovarian endometriomas of greater than 3cm diameter are unlikely to respond to medical treatment, and similarly if there is a significant amount of adhesions – these will respond best to laparoscopic breakdown (called adhesiolysis).
It was initially thought that use of the more ‘powerful’ treatments, such as GnRH agonists, was more likely to cure the endometriosis or result in a greater improvement in symptoms. Studies have compared the various options and it is now clear that they are all pretty much the same in terms of improvement of symptoms.
Each drug will be discussed in turn, but continuous use of the combined contraceptive pill or progestogens are usually the best options with the lowest chance of side effects. Medical treatments are typically used for 6-12 months, except for the contraceptive pill, which can be used as long as needed.
Contraceptive pill
The Pill is one of the most commonly used treatments for endometriosis, and is a good choice for young women with mild disease who also require effective contraception. Despite its long-established use, there has been only one study on the use of the Pill for endometriosis. It compared the Pill with GnRH agonists and found an equal improvement with both drugs with regards to pelvic pain, painful periods and painful sex. There was a trend towards the Pill being better at controlling painful periods and GnRH agonists being best for improving painful intercourse.
In the above study the Pill was used cyclically, but many gynaecologists suggest that it is better taken continuously, with no withdrawal bleed in between each packet. This doesn’t do your body any harm and there is no ‘build-up’ of blood as might be expected, since one of the hormones it contains keeps the lining of the womb quite thin.
If used continuously, it should be for 6-12 months, but breakthrough spotting is not uncommon after a few months and you can either have a seven day break at the end of the next packet or your doctor might prescribe some additional oestrogen for a week, which helps to refresh the lining of the womb.
Progestogens
Progestogens are the most commonly used medical treatment and are effective in about 80% of cases. Examples include the drugs medroxyprogesterone acetate (Provera), dydrogesterone and norethisterone. They work by thinning out and shrinking down the endometriosis and also by suppressing the normal cycle of the ovary. They can be used either continuously or in a cyclical way (eg. taken for 3 weeks, with one week off). Depot Provera, the injection form of the drug commonly used 3-monthly for contraception also works, but its use is limited in women wishing pregnancy as it can delay ovulation some time after the last injection (up to 12 months).
Side effects of progestogens can include: irregular bleeding or breakthrough spotting – which affects around one third of users, weight gain, breast tenderness, water retention and rarely depression. This list of side effects is just what is possible, many people don’t have any ill-effects at all and it would be unlikely that all would be experienced at once! Once again, breakthrough bleeding can be managed with a short course of oestrogen tablets.
It has long been known that progestogens can alter the blood lipids (fats) in an unfavourable way, which might theoretically lead to an increased risk of blood clots (thrombosis). Two recent studies have provided more evidence that this could be the case. Although they looked at progestogens used for period problems, the doses used are similar as would be for endometriosis, and the risk of thrombosis was around 5-fold higher than expected. Whilst this is an acceptable risk for women not already at risk for thrombosis, if you have other risk factors (eg. a previous clot or a strong family history) then an alternative treatment might be preferable.
GnRH agonists
GnRH stands for Gonadotrophin Releasing Hormone and an agonist is a drug that acts the same way as the body’s own hormone. The body normally makes GnRH in a small gland in the brain (the pituitary) and it is this hormone that stimulates the ovary to develop eggs and produce oestrogen, leading to the normal menstrual cycle. If you give GnRH agonists, this floods the system and confuses the delicately controlled balance, leading to a complete block of egg development, oestrogen production and menstrual cycle. It effectively makes you ‘menopausal’ for the short time that you use the treatment and without the oestrogen stimulation, endometriosis shrinks down and becomes inactive.
Examples of GnRH agonists include: goserelin (Zoladex), nafarelin (Synarel), Buserelin (Suprecur) and leuprorelin (Prostap). They are all either given by injection or nasal spray – tablet forms are unfortunately not available.
GnRH agonists are effective in relieving symptoms in 80-90% of patients and the best affect is in small areas of endometriosis. Although ovarian endometriomas will shrink down by around 20%, surgery remains the optimum treatment for the more severe disease. Studies looking at the effectiveness of GnRH agonists have found that the benefit is comparable with the other forms of medical treatment.
GnRH agonists work by lowering oestrogen levels and the main side effects of the treatment are due to this: hot flushes, reduced sex drive, vaginal dryness, emotional symptoms, depression and headaches. It really is like going through the menopause for a short time. The other main problem limiting longer courses than 6 months is that bone thinning is a side effect, with around 5-6% reduction in bone density in the spine. This is completely reversed by 9 months after stopping treatment.
There is now good evidence that the use of add-back hormone replacement therapy (HRT) is effective in preventing the bone thinning and the unpleasant side effects of GnRH treatment. The HRT used can be a normal cyclical oestrogen/progestogen one, a continuous ‘no bleed’ preparation or a newer type such as tibolone (Livial). It can be started at the same time as the GnRH agonist and does not diminish the effect of the treatment. It might seem surprising that using oestrogen replacement doesn’t undo the effect of the GnRH, but there appears to be a threshold level of oestrogen where endometriosis will be stimulated, and HRT doesn’t reach that level, but is enough to prevent the side effects.
Danazol
Danazol is a drug that was once used as first-line medical treatment for endometriosis and it is effective in 80-90% of cases. Fortunately, there is now good evidence demonstrating other drugs as equally effective, as Danazol can have some quite unpleasant side effects. It works by preventing ovulation and reducing oestrogen levels as well as having a directly suppressive effect on the endometriosis itself.
It has some properties that are similar to the male hormone testosterone and possible side effects include: weight gain, water retention, tiredness, decreased breast size, hot flushes, acne, oily skin, growth of facial hair and emotional symptoms. Although some side effects are experienced by about 80% of users, they are only troublesome enough to make women stop treatment in 10% of cases. It can irreversibly deepen the voice. It is also important to use an effective contraceptive, as accidental use in early pregnancy can masculinise a female fetus.
Gestrinone
Gestrinone is a treatment used more commonly in Europe. It works in much the same way as danazol with similar, but milder, side effects. It is taken twice weekly and around 85% of women do not have any periods at all when on treatment.
Reference list (hyperlinked on website)
Moore J, Kennedy S, Prentice A. Modern combined oral contraceptives for the treatment of painful symptoms associated with endometriosis (Cochrane Review). In The Cochrane Library 1999, Issue 3. Oxford:Update Software.
Vercellini P, Trespidi L, Colombo A, Vendola N, Marchini M, Crosignani PG. A gonadotropin-releasing hormone agonist versus a low-dose oral contraceptive for pelvic pain associated with endometriosis. Fertil.Steril. 1993; 60:75-79.
Vercellini P, Cortesi I, Crosignani PG. Progestins for symptomatic endometriosis: a critical analysis of the evidence. Fertil.Steril. 1997; 68:393-401.
Prentice A, Deary AJ, Goldbeck-Wood S, Farquhar C, Smith SK. Gonadotrophin-releasing hormone analogues for pain associated with endometriosis (Cochrane Review). In The Cochrane Library 1999 Issue 3. Oxford:Update Software.
Vercellini P, De Giorgi O, Pesole A et al. (1998) ‘Endometriosis drugs and adjuvant therapy’ in: A Templeton, ID Cooke, PMS O’Brian (Eds) Evidence based fertility treatment, p225-245. London: RCOG press
Poulter NR, Chang CL, Farley TMM et al. Risk of cardiovascular diseases associated with oral progestagen preparations with therapeutic indications. Lancet 1999; 354: 6 November. (link requires Lancet website registration, which is free)
Vasilakis C, Jick H & del Mar Melero-Montes M. Risk of idiopathic venous thromboembolism in users of progestagens alone. Lancet 1999; 354: 6 November. (link requires Lancet website registration, which is free)
British Medical Association & Royal Pharmaceutical Society of Great Britain. (1999) British National Formulary. Oxon: The Pharmaceutical Press
Surgical treatment
Surgical treatment for endometriosis is usually carried out in one of the following situations:
Surgery can either be conservative or radical. The aim of conservative surgery is to return the appearance of the pelvis to as normal as possible. This means destroying any endometriotic deposits, removing ovarian cysts, dividing adhesions and removing as little healthy tissue as possible.
Radical surgery means doing a hysterectomy with removal of both ovaries and is reserved for women with very severe symptoms, who have not responded to medical treatment or conservative operations. Sometimes, if there are other reasons to carry out a hysterectomy it is done earlier than this.
Treatment at the time of diagnosis
This approach is rapidly becoming standard practice in the management of endometriosis. It is typically carried out where the endometriosis discovered is mild to moderate and the extra time required to do the surgery will be able to be accommodated within the operating list planned. A further key-hole into the abdomen is often needed.
Laparoscopic management of endometriosis
Mild to moderate disease
The endometriosis spots are destroyed by diathermy, where an electric current is passed down a fine probe burning the lesion. Some surgeons use laser to evaporate the endometriosis.
Fine adhesions can be cut using small scissors. Bleeding is usually minimal and having avoided an open operation means that the risk of subsequent adhesion development is reduced. Laparoscopic managment also has the advantage of needing a minimal hospital stay, it is usually possible to go home the same or following day.
Improvement in pain symptoms following this type of surgery can be expected in 70% of cases, moreso if the location of adhesions divided corresponds to the area of maximum pain.
There has been only one good quality study of the effect of surgical treatment of mild to moderate endometriosis on subfertility. It found that laparoscopic destruction of lesions resulted in a 13% increase in pregnancy rate – equivalent to, on average, a benefit for one out of every eight women receiving treatment.
Moderate to severe disease
Where endometriosis is more than a few spots, and in particular where there is more severe scarring or an ovarian endometrioma, there is still the option of laparoscopic treatment in some hospitals. In the UK, it is usually only an option in the larger, central hosptials or where a local Gynaecologist has a special interest in laparoscopy. The aim of laparoscopy, as usual, is to restore things back to normal. For endometriomas this will mean shelling out and removing the cyst from the underlying normal ovary tissue. An alternative is to make a hole in the cyst wall, empty out the ‘chocolate’ collection of blood and diathermise the cyst base so all endometriotic deposits are destroyed.
Removal of endometriomas and division of scar tissue can be expected to improve the pain symptoms of endometriosis. The success of surgery in improving subfertility is related to the severity of endometriosis in the first place. It is difficult to give exact estimations, but women with moderate disease can expect pregnancy success rates of around 60%, whereas the comparable figure with more severe disease is around 35%. If a pregnancy does not occur within 2 years of surgery for endometriosis, the chances of success are poor, and referral for in-vitro fertilisation should be made.
Open surgery
This is the usual method of approaching the more severe degrees of endometriosis, particularly where endometriomas are large and there is more extensive scarring involving the bowel and bladder.
Hysterectomy is an end-stage treatment for women who have completed their family and where endometriosis is severe. It is usual to suggest removal of the ovaries, particularly in a woman who is over the age of 40 or where the disease is particularly severe. Hormone replacement therapy will protect the bones and avoid the menopausal symptoms.
Using drugs with surgery
Overall the evidence to support drug treatment before surgery is not good. 3-6 months of drugs prior to surgery may make endometriomas smaller and therefore more accessible by laparoscopy, helping avoid the need for an open operation. There is nothing to suggest that it improves fertility rates or pain after the operation, however.
The use of drugs after conservative surgery in women wanting pregnancy does not improve pregnancy rates, but just adds delay. For women who have pain there is some evidence that pain is improved with a course of drug treatment following surgery, but it may just be limited to the period whilst the drugs are taken (as would be expected given the results of studies on long-term effect of medical treatment alone). This may be useful if it helps reduce pain whilst recovering from surgery – indeed it will take 2-3 months in any case for the true benefit from surgery to become apparent, as things gradually heal.
Recurrence of endometriosis after surgery
Recurrence rate for endometriosis has been estimated to be 10% per year by one author, another study found it to recur in 40% of women within 5 years after conservative surgery.
There is a 6 times higher risk of recurrence after hysterectomy if the ovaries are not removed. Even in women who have the ovaries removed, there is a small (0.01%) risk of further recurrence, usually involving the bowel.
Risks of laparoscopy
Keyhole surgery is generally very safe, especially in experienced hands, but it is important to be understand that any laparoscopy carries with it some degree of risk, as do all operations. When placing the laparoscope into the abdomen, there is a small risk of accidental injury to bowel, the bladder or blood vessels leading to haemorrhage – this risk is inherent in the procedure. It is greater if the surgery is more advanced involving dividing of adhesions, diathermy of endometriosis, removal of cysts, etc.
Large studies have found that complications might affect around 1/370 diagnostic laparoscopies and 1/50-100 where more prolonged and difficult operation is necessary. Not all of these complications will have serious implications, but it might mean an unexpected open operation and a longer hospital stay. Complications are more common where there has been multiple previous open surgeries.
Reference list (hyperlinked on website)
Jensen FW, Kapiteyn K, Trimbos-Kemper T et al. Complications of laparoscopy: a prospective multicentre observational study. Br J Obstet Gynaecol 1997; 104: 595-600
Harkki-Siren P, Kurki T. A nationwide analysis of laparoscopic complications. Obstet Gynecol 1997; 89: 108-12
Sutton C (1990) Advances in the surgical management of endometriosis. In: Shaw RW (ed) Endometriosis. Parthenon, Camforth, pp209-226
Marcoux S, Maheux R, Berube S and the Canadian Collaborative Group on Endometriosis. Laparoscopic surgery in infertile women with minimal and mild endometriosis. New Engl J Med 1997; 97: 212-22
Olive DL & Lee KL. Analysis of sequential treatment protocols for endometriosis-associated infertility. Am J Obstet Gynecol. 1986; 154: 613
Wheeler JM & Malinak LR. Recurrent endometriosis: incidence, management and prognosis. Am J Obstet Gynecol. 1983; 146: 247
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