excision surgery endometriosis

Why is Endometriosis in Fetuses Important?

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Inaccurate theories about how and why endometriosis develops are widely accepted by medical practitioners, despite much evidence against them. Acceptance of these theories leads to the perpetuation of medical therapies that do not work. It is important to understand the origins of endometriosis in order to move forward and develop effective treatments for this devastating disease.

Endometriosis and Sampson’s Theory

Endometriosis is defined as the presence of endometrium-like tissue outside of the uterine cavity. Many medical practitioners and lay press oversimplify this to state that endometriosis occurs when the lining of the uterus is found outside the uterine cavity. However, there are many publications enumerating the differences between endometriosis lesions and the endometrium found inside the uterus. Evidence for this goes back at least to 1981, and possibly earlier, and research into these differences is still ongoing. However, the common perception that endometriosis is merely endometrium outside of the uterus persists.

One prominently cited theory as to how endometriosis develops is known as Sampson’s theory. This theory suggests that retrograde menstruation, menstrual blood flowing backwards (away from the uterus) through the Fallopian tubes towards the pelvic cavity, deposits fragments of endometrium into the pelvis, which can then implant and grow into lesions.

There are numerous problems with this theory. First of all, there is no evidence that endometrial cells in the peritoneal fluid can attach to the lining of the pelvis (the peritoneum), and in addition, endometrial cells are not commonly present in peritoneal fluid. Furthermore, as stated earlier, there are many differences between the endometrium inside the uterus, and endometriosis lesions. In addition, 90 percent of women have retrograde menstruation, but only approximately 10 percent have endometriosis. Sampson’s theory cannot explain the presence of this disease in fetuses, in men, and in girls who have symptoms with the onset of puberty or even prior to puberty. And it cannot explain the presence of endometriosis in areas outside of the pelvis, such as the lungs and skin.

Alternate Theories – A Fetal Component

Alternate theories that fit better with the available evidence have been proposed, including metaplasia (changing of one cell type into another cell type), developmental defects (also known as Mullerianosis), genetic factors and environmental factors. However, no single theory has been proven to be correct, and most likely a combination of various influences contribute to the development of the disease. According to the current evidence, there is most likely some embryological component. The theory of Mullerianosis explains the development of endometriosis as endometrial tissue that was misplaced during fetal development, that later develops into endometriosis lesions. Evidence in support of this comes from the fact that endometriosis has been found in female fetuses with the same incidence as in women, about 10 percent.

The Persistence of Sampson’s Theory – A Safety Net for Inadequate Treatment

Why has Sampson’s theory continued to be so persistent despite all the evidence to the contrary? First, no alternative theory has been sufficiently proven enough to displace it, although certainly enough evidence against it exists that it ought to be displaced. Second, most doctors who treat endometriosis do not specialize in the disease, and the science behind its development is probably not something they have much interest in.

It is damaging to endometriosis patients to have Sampson’s theory continue to be accepted despite evidence to the contrary. It gives gynecologists a reason not to strive for complete removal of the disease from all organs, because there’s no point in trying to remove all of it, if it will just be re-implanted with the next period. Sampson’s theory provides justification for the high recurrence rates observed from surgeons who do not specialize in treating endometriosis.

However, surgeons who specialize in it, who carefully excise all disease, have shown that it is possible to have low recurrence rates following complete excision. This requires not only the knowledge of all the possible visual appearances of endometriosis, but the surgical ability to excise disease from areas most gynecologists cannot, such as bladder, ureters, intestines, or diaphragm.

Sampson’s Theory and Medications that Prevent Menstruation

Acceptance of Sampson’s theory gives pharmaceutical companies an excellent tool to convince doctors to prescribe medications that prevent menstruation. If Sampson’s theory is correct, then any hormonal treatment that stops women’s periods will treat endometriosis. Several drugs that are currently on the market can stop periods—Lupron and similar drugs, by inducing a menopausal state, and birth control pills, used continuously. However, as would be expected, since Sampson’s theory is not correct, these medications have never cured endometriosis. Some patients may experience temporary relief of symptoms, especially when the symptoms are primarily connected to having periods, but hormonal medical therapies do not treat the underlying disease.

The Origins of Disease Matter

Though debating disease origins may seem like an arcane point, not relevant to most endometriosis patients on a daily basis, it is highly relevant because it is so linked to the inadequate and ineffective treatment most patients receive. In order to truly move forward and make progress in how this disease is treated, wider recognition of Sampson’s theory as fatally flawed must occur. If endometriosis is present in the fetus, then it is an entirely different disease than one of retrograde menstruation. Understanding this is critical for better treatments options.

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This article was published originally on October 2013. 

Endometriosis, Adhesions and Physical Therapy

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Almost a year ago, I had a surgery that was supposed to fix all of my health problems, not create a whole set of new ones. My endometriosis symptoms had become severe and debilitating—I was on medical leave from work, wasn’t much help to my family, and couldn’t go out with friends. I searched out the best endometriosis specialist in Canada and scheduled laparoscopy excision surgery, a procedure where all of the endometriosis the surgeon can find is cut out. Although excision surgery is not a cure, it is one of the only endometriosis treatments that offers many women long-lasting relief from symptoms.

My excision surgery seemed, on the surface, to have been successful. My endometriosis had been extensive. It was found on the walls of my abdomen and pelvis, on my left ovary, on my large intestine, and on my left ureter. In addition, I had extensive adhesions (bands of scar tissue) that had bound those organs together and attached my intestines to my abdominal wall. My doctor had removed all the endometriosis, cut all the adhesions, and removed my left ovary and tube, which were badly damaged by adhesions and were unsalvageable. I cried when I heard the news, out of relief. My severe symptoms were explained, and the cause of them had been treated. My doctor had characterized my surgery as long, difficult, and complicated, but ultimately successful. I felt that once I healed I would have a very good chance of feeling much better.

If someone had told me that the next year would bring another surgery, several ER visits, several hospitalizations, a new diagnosis, and a new set of chronic problems that rivaled my old symptoms in severity, I might have questioned their sanity. I went home from my surgery sore, but very relieved that it was over with. I didn’t know that my battle with adhesions was just beginning.

Adhesions are scar tissue that forms inside the body in response to injury. Some adhesions are thick bands, and some are more diffuse and filmy. They can glue organs together and to the abdominal wall, which can interfere with the function of the organs that are affected, and cause pain. Many organs need to move in order to be able to function: for example, the intestines need to be able to move to push food through, and the ovaries and Fallopian tubes need to be able to move for the ovary to release an egg and have it move down the tubes into the uterus.

Surgery is a major cause of adhesion formation. One third of patients are readmitted to the hospital an average of 2 times in the 10 years following open abdominal or pelvic surgery, for conditions related to adhesions. The most common problems caused by adhesions are chronic abdominal or pelvic pain, small bowel obstruction (where the intestines are kinked or twisted, and are partially or completely blocked), female infertility, and inadvertent bowel injury in subsequent surgeries. Although minimally invasive laparoscopic surgical methods are superior to laparotomy (open surgery) for many reasons, laparoscopic surgery does not necessarily result in fewer adhesions.

Surgeons typically underestimate the incidence and complications caused by adhesions, and information about adhesions is provided in only 9 percent of surgical informed consent forms. Adhesions occur in 70 to 95 percent of patients undergoing gynecologic surgery, and post-surgical adhesions are cited as the primary cause of bowel obstruction. Adhesions are responsible for over one billion dollars annually in health-care costs in the U.S.

After my excision surgery, I had complications due to an undiagnosed bleeding disorder (see my story here) that resulted in another surgery 7 weeks after the first. Adhesions were once again found and cut during that surgery, but despite that, about 6 weeks after the second surgery I started to experience symptoms that eventually turned out to be adhesions again. The conundrum of adhesions is that surgery is both a treatment, and a cause. Multiple surgeries can increase the number of adhesions, although there are some surgical techniques that minimize adhesion formation to the extent possible. My problem with adhesions was likely exacerbated by my undiagnosed bleeding disorder, since meticulous control of bleeding during surgery is one important way to minimize adhesion formation.

By four months after the second surgery, my symptoms were once again greatly affecting my quality of life. I had severe pain in the left lower pelvic area that prevented me from doing many activities. I had severe lower abdominal pain and nausea after eating, even when eating only small meals of food that should have been easily digested. When my intestines would get partially blocked due to bowel obstruction, the pain was intense and I couldn’t eat without throwing up.

The pain I would get after eating would come on suddenly and intensely. It was waves of sharp, stabbing, knifelike pain that would leave me doubled over. I was afraid to eat while I was out of the house because sometimes I would end up on the bathroom floor, unable to move without throwing up due to the intensity of the pain. I started to hate food and avoided eating whenever I could.

My doctors (a general practitioner, an endometriosis specialist, a gastroenterologist, and a pain management doctor) all agreed that I likely had a problem with adhesions, but they all also agreed that little could be done about it. Unanimously they said that although I might get better with another surgery to cut the adhesions, I might also get worse. I was offered the typical array of medications, including antispasmodics to decrease the intestinal pain I had, antidepressants, which can sometimes be helpful for visceral (organ) pain, and the fibromyalgia/anti-seizure drug Lyrica.

After doing some research, I decided that a specialized form of manual physical therapy that treats adhesions non-surgically (Clear Passage Physical Therapy) was probably my best hope. I travelled to Miami twice for treatment with an amazingly compassionate and skillful physical therapist. I was amazed on my first trip to notice a big difference in my symptoms fairly quickly—on my second day I was able to walk up a small hill and a set of stairs without any pain, something that hadn’t been possible since the problems with adhesions had started. I also started being able to eat a little more normally. By the end of the second trip, my symptoms had improved very significantly.

I still have to watch what I eat quite carefully, and even as I write this I am recovering from another partial bowel obstruction. I don’t think my intestines will ever be the same as they were before my surgeries; they may always be affected to some extent by adhesions. However, I have to keep in mind that the gastrointestinal symptoms I had due to endometriosis on my large intestine prior to surgery were also very unpleasant and affected my quality of life. So fear of adhesions is not a reason to avoid surgery, but it is important to be aware of the potential for problems. I was lucky that my doctors recognized the problem as adhesions very quickly, since many doctors do not. And I was also fortunate to receive physical therapy treatment that finally, a year after my excision surgery, has allowed me to feel like I am really getting my life back.

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This article was published originally on Hormones Matter on July 22, 2013.

Progress in Endometriosis

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New ideas take hold slowly in medicine, unfortunately.  A former assistant professor of neurology at Stanford once told Dr. David Redwine, the father of Modern Concepts in Endometriosis Care, it will take 30 years for your ideas to take hold.  What I did not understand is, taking hold does not mean conversion.

So the ideas developed in Modern Concepts, are taking hold. There are somewhere less than 100 gynecological surgeons who have been identified as doing effective endometriosis surgery in the US.  A Texas surgeon, John Dulemba MD, thinks maybe that is true worldwide.

Is this means for despair?  Well, yes if you are a person needing skilled removal of your endo. On the other hand, 30 years ago there was one doctor identified as doing skilled excision. Shortly others began showing interest in finding better outcomes for their patients.

I once had a discussion with Spence Meighan MD, the Director of Medical Education at Good Samaritan Hospital and Medical Center in Portland Oregon, about why doctors embraced new ideas so slowly.  One observation he had was that, only half of what we teach medical students in medical schools was accurate. The biggest issue is that we do not know which half.  We should be teaching more art of medicine and science of inquiry.  Not assuming as they come out of medical school they are now prepared to practice medicine. What they are prepared for is to begin to listen, look, inquire and research what they are unsure about.

Other reasons endo excision has been slow to become main stream are many.  For one, if you have a busy Ob/Gyn practice, taking hours per case in the OR plays havoc with office and surgery and delivery schedules.  A surgeon simply does not have the time in a general Ob/Gyn practice to take the time for each endometriosis case that removal of disease requires.

Another reason could be if gynecologists are not keeping up with the literature, they still see excision of endo as “out there”.  My sister-in-law recently went to a doctor who mentioned endometriosis to her and that if so she would need a hysterectomy.  When she asked about excision, the response was that is fringe therapy.  “Fringe Therapy”?  Well, if you have multiple laparoscopies, multiple medical therapies, been told to get pregnant, then told you need a hysterectomy and none of that worked?  Tell me which is fringe therapy?

So this leads to another reason excision may be slow to be embraced.  If you take care of endo in one or two surgeries, (Meigs, Redwine, Albee, Sinervo, Robbins, all have positive outcomes in one or two surgeries), then the loss of income from repeated laparoscopies, office prescribed medical therapies, pregnancies, and hysterectomies trying to treat endo becomes significant.  On the other hand, if you move away from scarcity thinking, and realize we have over 8.5 million women in North America needing effective surgery and over 176 million worldwide, there is no scarcity of patients needing effective surgery.  It becomes a huge opportunity and it is quite gratifying as well, because patients do so well as surgeons ability to find, and remove disease results in very happy patients.

Endometriosis pain is on par with acute appendicitis.  Patients develop peritoneal signs and symptoms, (bloating, acute abdominal pain, nausea, quiet bowel, sweating, paleness, sometimes fever, anxiety etc etc) something every medical student and nursing student has been well educated to look for in patients.  But in endo patients we can somehow say, “oh it’s just her period”.  If you think about the degree of pain associated with peritoneal inflammation, the least we can do is be sure that the patient has adequate pain relief until disease can be resolved.

What we fail to recognize in untreated endometriosis, is that this disease restricts potential, sexuality, child bearing, ability to work in many cases, and general constricts life down.  I have seen many, many women permanently relieved of their pain through excision of painful implants.  Returning to life as a sexual being, working woman, new mother often, they soar as never previously thought to be possible.  They are very grateful people.

It is unconscionable that we turn patients with acute abdominal pain away to suffer without assistance.  We would not do that to someone suffering pain from organ perforation, blunt abdominal trauma, or appendicitis.  The mechanism (inflamed peritoneum) is the same, relief of pain should be comparable.  Chronic use of pain medicine does not lead to abuse, it leads to relief, perhaps enough relief that she can get off the couch and turn the heating pad off.

Endometriosis is not a fatal disease, however, despair can be.