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HEMORRHOIDS


What are hemorrhoids?

It is important to note that all people have hemorrhoidal tissue as part of their normal anatomy. Only in a minority of people do hemorrhoids become enlarged or otherwise symptomatic. Hemorrhoidal tissue lies within the anal canal and perianal area and consists of blood vessels, connective tissue, and a small amount of muscle.

There are two main types of hemorrhoids: internal and external. Internal hemorrhoids are covered with a lining called mucosa that is not sensitive to touch, pain, stretch, and temperature, while external hemorrhoids are covered by skin that is very sensitive. When problems develop, these two types of hemorrhoids can have very different symptoms and treatments.

Symptoms

Roughly 5% of people will develop symptoms attributable to their hemorrhoids and only a small fraction of those patients will require surgical treatment. Patients may experience symptoms caused by either internal or external hemorrhoids or both.

The majority of patients with anal symptoms seen in a colon and rectal surgeon’s office complain of their hemorrhoids but a careful history and examination by an experienced physician is necessary to make a correct diagnosis. Some patients will have long-standing complaints that are not attributable to hemorrhoidal disease. Other serious diseases such as anal and colorectal cancer should be ruled out by a consultation with physicians knowledgeable in evaluating the anal and rectal area.

Internal Hemorrhoids

Painless rectal bleeding or prolapse of anal tissue is often associated with symptomatic internal hemorrhoids. Prolapse is hemorrhoidal tissue coming from the inside that can often be felt on the outside of the anus when wiping or having a bowel movement. This tissue often goes back inside spontaneously or can be pushed back internally by the patient. The symptoms tend to progress slowly over a long time and are often intermittent.

Internal hemorrhoids are classified by their degree of prolapse, which helps determine management:

Grade One: No prolapse

Grade Two: Prolapse that goes back in on its own

Grade Three: Prolapse that must be pushed back in by the patient

Grade Four: Prolapse that cannot be pushed back in by the patient (often very painful)

Bleeding attributed to internal hemorrhoids is usually bright red and can be quite brisk. It may be found on the wipe, dripping into the toilet bowl, or streaked on the BM itself. Not all patients with symptomatic internal hemorrhoids will have significant bleeding. Instead, prolapse may be the main or only symptom. Prolapsing tissue may result in significant irritation and itching around the anus. Patients may also complain of mucus discharge, difficulty with cleaning themselves after a BM, or a sense that their stool is “stuck” at the anus with BMs. Patients without significant symptoms from internal hemorrhoids do not require treatment based on their appearance alone.

External Hemorrhoids

Symptomatic external hemorrhoids often present as a bluish–colored painful lump just outside the anus and they tend to occur spontaneously and may have been preceded by an unusual amount of straining. The skin overlying the outside of the anus is usually firmly attached to the underlying tissues. If a blood clot or thrombosis develops in this tightly held area, the pressure goes up rapidly in these tissues often causing pain. The pain is usually constant and can be severe. Occasionally the elevated pressure in the thrombosed external hemorrhoid results in breakdown of the overlying skin and the clotted blood begins leaking out. Patients may also complain of intermittent swelling, pressure and discomfort, related to external hemorrhoids which are not thrombosed.

Anal Skin Tags

Patients often complain of painless, soft tissue felt on the outside of the anus. These can be the residual effect of a previous problem with an external hemorrhoid. The blood clot stretches out the overlying skin and remains stretched out after the blood clot is absorbed by the body, thereby leaving a skin tag. Other times, patients will have skin tags without an obvious preceding event. Skin tags will occasionally bother patients by interfering with their ability to clean the anus following a BM, while others just don’t like the way they look. Usually, nothing is done to treat them beyond reassurance. However, surgical removal is occasionally considered.

What Causes Symptomatic Hemorrhoids?

The majority of factors thought to produce symptomatic hemorrhoids are associated with an increased pressure within the abdomen that gets transmitted to the anal region. Some of these factors include: staining at stool, constipation, diarrhea, pregnancy, and irregular bowel patterns. It seems that, over time, these factors may contribute to the prolapse of internal hemorrhoidal tissue or thrombosis of external hemorrhoidal tissue.

Examination

After obtaining a careful history regarding your symptoms and your personal and family medical history, your doctor will need to perform an examination in the office. This usually consists of careful inspection of the outside of the anus, placement of a finger through the anus into the rectum (digital examination), and placement of a finger-sized instrument through the anus to allow visual inspection of the hemorrhoidal tissue (anoscopy). Although it may not occur during the initial visit, your doctor may want to look even further upstream into the colon to rule out polyps, cancers, and other causes of bleeding. A flexible sigmoidoscopy can visualize approximately half of your colon, while a colonoscopy usually allows for visualization of the entire colon. If this is not discussed with you at your initial visit, you are encouraged to discuss this with your physician. Laboratory tests are not usually needed.

Non-Surgical Treatment of Internal Hemorrhoids

There are a wide variety of treatment options available for symptomatic internal hemorrhoids depending upon their grade (see above discussion) and the severity of your symptoms. Often, adherence to the dietary/lifestyle changes detailed below will relieve your symptoms. However, if you fail to respond to these changes alone, or if your symptoms are severe enough at the outset, there are a number of office-based and surgical procedures available to alleviate your symptoms.

Dietary/Lifestyle Changes

The cornerstone of therapy, regardless of whether surgery is needed or not, is dietary and lifestyle change. The main changes consist of increasing your dietary fiber, taking a fiber supplement, getting plenty of fluids by mouth, and exercising. This is all designed to regulate, not necessarily soften, your bowel movements. The goal is to avoid both very hard stools and diarrhea, while achieving a soft, bulky, easily cleaned type of stool. This type of stool seems to be the best kind to prevent anal problems of almost all kinds.

It is usually recommended to achieve 20-35 grams of fiber per day in the diet, including plenty of fruits and vegetables. Most people can benefit from taking a fiber supplement one to two times daily. These supplements are available in powder, chewable, and capsule/tablet forms – your pharmacist can help decide which may be best for you.

Also important is adequate fluid (preferably water) consumption, often considered 8-10 glasses daily. Caffeinated drinks and alcohol tend to be dehydrating and therefore do not count toward this total.

Office-Based Therapies For Internal Hemorrhoids

The most commonly used office procedures are rubber band ligation, infrared coagulation, and sclerotherapy. These treatment options are for internal hemorrhoids only and do not apply to external hemorrhoids.

Rubber Band Ligation

Rubber band ligation can be used for Grades 1, 2, and some Grade 3 internal hemorrhoids. At the time your doctor performs the examination described above (anoscopy), he or she can place a device through the anoscope, which can pull up the redundant internal hemorrhoidal tissue and place a rubber band at its base. The band acts to cut off the hemorrhoid’s blood supply and it falls off (with the band) at roughly 5-7 days, at which time you may notice a small amount of bleeding. If you are taking blood thinners such as Coumadin, Heparin, or Plavix you may not be a candidate for this procedure. Your doctor may place anywhere from one to three rubber bands per visit and this may require several short visits to achieve relief of your symptoms, but is not associated with any significant recovery time for most people. Rubber band can be associated with a dull ache or feeling of pressure lasting 1-3 days that is usually well-treated with Ibuprofen or Tylenol. Upon completion of your banding session(s), you likely will not need further treatment, provided you continue the previously described dietary and lifestyle changes. If your symptoms return, repeat banding certainly can be considered. Hemorrhoidectomy is always an option if significant progress is not made with banding. Complications are very uncommon, but may include bleeding, pain and infection, among others.

Infrared Photocoagulation

Infrared coagulation (IRC) is another office-base procedure, for Grades 1 and 2 and occasional Grade 3 internal hemorrhoids, which can be performed during anoscopy. IRC utilizes infrared radiation generated by a small light that is applied to the hemorrhoidal tissue. This energy is converted to heat and causes the hemorrhoidal tissue to become inflamed, slough off, and scar down, thereby eliminating this excess tissue. This procedure is usually quick, painless, has few complications, but may take several short sessions to achieve relief of symptoms.

Sclerotherapy

Sclerotherapy is another office-based treatment for Grades 1 and 2 internal hemorrhoids. It involves the injection of chemical irritants into the hemorrhoids, resulting in scarring and shrinkage by reducing the blood vessels present in the hemorrhoidal tissues. Sclerotherapy is similarly quick, often painless, has few complications, and may take several short sessions to achieve relief of symptoms. This has the potential to be used in patients taking blood thinners such as Coumadin, Heparin, or Plavix, but would need to be discussed with your physician.

Office Treatment of External Hemorrhoids

This involves the injection of a local anesthetic (numbing medicine) and excising the hemorrhoidal tissue. The pain associated with a symptomatic, thrombosed external hemorrhoid (see description above) often peaks about 48-72 hours after its onset and is largely resolving after roughly four-five days. Pain is the indication to treat thrombosed external hemorrhoids and, therefore, the treatment will depend upon where you are at in the natural history of the problem. If you are improving significantly and your doctor is able to touch/pinch the involved external hemorrhoid without significant discomfort to you, then non-operative measures are used (warm baths, pain-relieving creams and pills, and fiber therapy described above). If you present to your doctor’s office in severe pain, an office-based surgical procedure may be offered. This involves the injection of local anesthesia (“numbing medicine”) and excising the hemorrhoidal tissue. It is important to note that the entire hemorrhoid must be removed and not “lanced”, as that can be associated with the hemorrhoidal skin sealing over and a recurrent thrombosis (blood clot) developing.

External hemorrhoids, which are not thrombosed, are generally managed symptomatically, with dietary management and topical agents. Only occasionally are they removed surgically.

Operative Treatment of Hemorrhoids

Fewer than 10% of all patients evaluated with symptomatic hemorrhoids will require surgical management. Most patients respond to non-operative treatment and do not require a surgical procedure. Hemorrhoidectomy, or surgical removal of the hemorrhoidal tissue, may be considered if a patient presents with symptomatic large external hemorrhoids, combined internal and external hemorrhoids, and/or grade 3-4 prolapse. Hemorrhoidectomy is highly effective in achieving relief of symptoms and it is uncommon to have any significant recurrence. However, it also causes much more pain and disability than office procedures and has somewhat more complications.

Hemorrhoidectomy may be done using a variety of different techniques and instruments to remove the hemorrhoids and the particular technique is usually chosen based on a particular surgeon’s preference. In basic terms, the excess hemorrhoidal tissue is removed and the resultant wound may be closed or left open. Hemorrhoidectomy is performed in an operating room and may be done while you’re completely asleep (general anesthesia), under a spinal block (analogous to an epidural injection during childbirth), or with a combination of intravenous relaxing medications and local anesthesia injected around your anus after you’re relaxed.

In an attempt to avoid some of the postoperative pain associated with hemorrhoidectomy, a more recently developed option has emerged, called a stapled hemorrhoidopexy (sometimes inaccurately referred to as “stapled hemorrhoidectomy”). The procedure involves a circular stapling device which removes some of the tissue located upstream from the hemorrhoids, thereby pulling the hemorrhoids upward, returning the problematic hemorrhoidal tissue to its normal position, and staples this tissue up into place. Most or all of the staples later fall out over time. Studies comparing stapled hemorrhoidectomy to standard hemorrhoidectomy have found it to be equally safe and associated with a shorter time to full recovery. Long term recurrence rates appear to be higher than with hemorrhoidectomy, and this operation is not effective for treating large external hemorrhoids. All operative procedures for hemorrhoidal disease carry their own set of risks and benefits and the ultimate choice of procedure must be made between you and your surgeon.

Postoperative Instructions

You can expect to have pain following hemorrhoid surgery. The goal is to make it manageable, but it may be up to 2-4 weeks before you’re able to resume your full level of activities. You likely will be given a variety of medications that have been specifically chosen for their ability to work together and address your pain in different ways. Sitting in a bath (sitz bath) 2–3 times daily for 10-15 minutes per time in warm water up to your lower abdomen may make you more comfortable. Occasionally, patients will have difficulty urinating after anorectal surgery. If you are unable to void, try urinating in the tub during a sitz bath. If that does not work, proceed to an emergency department for placement of a catheter in your bladder. Failure to do so can result in permanent bladder damage from over-stretching.

Moving your bowels after hemorrhoid surgery is always a concern for patients. Most colon and rectal surgeons recommend having a BM within the first 48 hours after surgery. You should already be taking a diet high in fiber, a fiber supplement, and increased liquid intake. If this does not produce a BM, you may need to take laxatives to achieve this. Your doctor should make recommendations as to the best medications to use in this situation, given your particular medical issues. Expect to have some bleeding with BMs for several weeks after surgery. Call your surgeon if you are experiencing bleeding that doesn’t seem to stop after the BM.

ANAL ABSCESS AND FISTULA


What is an anal abcess?

An anal abscess is an infected cavity filled with pus found near the anus or rectum.

What is an anal fistula?

An anal fistula (also called fistula-in-ano) is frequently the result of a previous or current anal abscess, occurring in up to 50% of patients with abscesses. Normal anatomy includes small glands just inside the anus. Occasionally, these glands get clogged and potentially can become infected, leading to an abscess. The fistula is a tunnel that forms under the skin and connects the infected glands to the abscess. A fistula can be present with or without an abscess and may connect just to the skin of the buttocks near the anal opening. Other situations that can result in a fistula include Crohn’s disease, radiation, trauma and malignancy.

How does someone get an anal abscess or a fistula?

The abscess is most often a result of an acute infection in the internal glands of the anus. Occasionally, bacteria, fecal material or foreign matter can clog the anal gland and create a condition for an abscess cavity to form. Other medical conditions can make these types of infections more likely.

After an abscess drains on its own or has been drained (opened), a tunnel (fistula) may persist, connecting the infected anal gland to the external skin. This typically will involve some type of drainage from the external opening and occurs in up to 50% of abscesses. If the opening on the skin heals when a fistula is present, a recurrent abscess may develop.

What are the specific signs or symptoms of an abscess or fistula?

A patient with an abscess may have pain, redness or swelling in the area around the anal area. Fatigue, general malaise, as well as accompanying fever or chills are also common. Similar signs and symptoms may be present when patients have a fistula, with the addition of possible irritation of the perianal skin or drainage from an external opening.

Is any specific testing necessary to diagnose an abscess or fistula?

No. Most anal abscesses or fistula-in-ano are diagnosed and managed on the basis of clinical findings. Occasionally, additional studies such as ultrasound, CT scan, or MRI can assist with the diagnosis of deeper abscesses or the delineation of the fistula tunnel to help guide treatment.

What is the treatment of an anal abscess?

The treatment of an abscess is surgical drainage under most circumstances. An incision is made in the skin near the anus to drain the infection. This can be done in a doctor’s office with local anesthetic or in an operating room under deeper anesthesia. Hospitalization may be required for patients prone to more significant infections such as diabetics or patients with decreased immunity.

Are antibiotics required to treat this type of infection?

Antibiotics alone are a poor alternative to drainage of the infection. For uncomplicated abscesses, the addition of antibiotics to surgical drainage does not improve healing time or reduce the potential for recurrences. There are some conditions in which antibiotics are indicated, such as for patients with compromised or altered immunity, some cardiac valvular conditions or extensive cellulitis. A comprehensive discussion of your past medical history and a physical exam are important to determine if antibiotics are indicated.

What is the treatment of an anal fistula?

Surgery is almost always necessary to cure an anal fistula. Although surgery can be fairly straightforward, it may also be complicated, occasionally requiring staged or multiple operations. Consider identifying a specialist in colon and rectal surgery who would be familiar with a number of potential operations to treat the fistula.

The surgery may be performed at the same time as drainage of an abscess, although sometimes the fistula doesn’t appear until weeks to years after the initial drainage. If the fistula is straightforward, a fistulotomy may be performed. This procedure involves connecting the internal opening within the anal canal to the external opening, creating a groove that will heal from the inside out. This surgery often will require dividing a small portion of the sphincter muscle which has the unlikely potential for affecting the control of bowel movements in a limited number of cases.

Other procedures include placing material within the fistula tract to occlude it or surgically altering the surrounding tissue to accomplish closure of the fistula, with the choice of procedure depending upon the type, length, and location of the fistula. Most of the operations can be performed on an outpatient basis, but may occasionally require hospitalization.

What is the recovery like from surgery?

Pain after surgery is controlled with pain pills, fiber and bulk laxatives. Patients should plan for time at home using sitz baths and attempt to avoid the constipation that can be associated with prescription pain medication. Discuss with your surgeon the specific care and time away from work prior to surgery to prepare yourself for post-operative care.

Can the abscess or fistula recur?

If adequately treated and properly healed, both are unlikely to return. However, despite proper and indicated open or minimally invasive treatment, both abscesses and fistulas can potentially recur. Should similar symptoms arise, suggesting recurrence, it is recommended that you find a colon and rectal surgeon to manage your condition.

ANAL FISSURE


What is an anal fissure?

An anal fissure (fissure-in-ano) is a small, oval shaped tear in skin that lines the opening of the anus. Fissures typically cause severe pain and bleeding with bowel movements. Fissures are quite common in the general population, but are often confused with other causes of pain and bleeding, such as hemorrhoids.

What are the symptoms of an anal fissure?

The typical symptoms of an anal fissure include severe pain during, and especially after, a bowel movement, lasting from several minutes to a few hours. Patients may also notice bright red blood from the anus that can be seen on the toilet paper or on the stool. Between bowel movements, patients with anal fissures are often relatively symptom-free. Many patients are fearful of having a bowel movement and may try to avoid defecation secondary to the pain.

What causes an anal fissure?

Fissures are usually caused by trauma to the inner lining of the anus. Patients with tight anal sphincter muscles (i.e., increased muscle tone) are more prone to developing anal fissures. A hard, dry bowel movement is typically responsible, but loose stools and diarrhea can also be the cause. Following a bowel movement, severe anal pain can produce spasm of the anal sphincter muscle, resulting in a decrease in blood flow to the site of the injury, thus impairing healing of the wound. The next bowel movement results in more pain, anal spasm, decreased blood flow to the area, and the cycle continues. Treatments are aimed at interrupting this cycle by relaxing the anal sphincter muscle to promote healing of the fissure.

Other, less common, causes include inflammatory conditions and certain anal infections or tumors. Anal fissures may be acute (recent onset) or chronic (present for a long period of time). Chronic fissures may be more difficult to treat, and may also have an external lump associated with the tear, called a sentinel pile or skin tag, as well as extra tissue just inside the anal canal (hypertrophied papilla) .

What is the treatment of anal fissures?

The majority of anal fissures do not require surgery. The most common treatment for an acute anal fissure consists of making the stool more formed and bulky with a diet high in fiber and utilization of over-the-counter fiber supplementation (totaling 25-35 grams of fiber/day). Stool softeners and increasing water intake may be necessary to promote soft bowel movements and aid in the healing process. Topical anesthetics for pain and warm tub baths (sitz baths) for 10-20 minutes several times a day (especially after bowel movements) are soothing and promote relaxation of the anal muscles, which may help the healing process.

Other medications (such as nitroglycerin, nifedipine, or diltiazem) may be prescribed that allow relaxation of the anal sphincter muscles. Your surgeon will go over benefits and side-effects of each of these with you. Narcotic pain medications are not recommended for anal fissures, as they promote constipation. Chronic fissures are generally more difficult to treat, and your surgeon may advise surgical treatment.

Will the problem return? 

Fissures can recur easily, and it is quite common for a fully healed fissure to recur after a hard bowel movement or other trauma. Even when the pain and bleeding have subsided, it is very important to continue good bowel habits and a diet high in fiber as a lifestyle change. If the problem returns without an obvious cause, further assessment is warranted.

What can be done if the fissure does not heal? 

A fissure that fails to respond to conservative measures should be re-examined. Persistent hard or loose bowel movements, scarring, or spasm of the internal anal muscle all contribute to delayed healing. Other medical problems such as inflammatory bowel disease (Crohn’s disease), infections, or anal tumors can cause symptoms similar to anal fissures. Patients suffering from persistent anal pain should be examined to exclude these symptoms. This may include a colonoscopy or an exam in the operating room under anesthesia.

What does surgery involve?

Surgical options for treating anal fissure include Botulinum toxin (Botox®) injection into the anal sphincter and surgical division of a portion of the internal anal sphincter (lateral internal sphincterotomy). Both of these are performed typically as outpatient, same-day procedures, or occasionally in the office setting. The goal of these surgical options is to promote relaxation of the anal sphincter, thereby decreasing anal pain and spasm, allowing the fissure to heal. Botox® injection results in healing in 50-80% of patients, while sphincterotomy is reported to be over 90% successful. If a sentinel pile is present, it may be removed to promote healing of the fissure. All surgical procedures carry some risk, and a sphincterotomy can rarely interfere with one’s ability to control gas and stool. Your colon and rectal surgeon will discuss these risks with you to determine the appropriate treatment for your particular situation.

How long is the recovery after surgery? 

It is important to note that complete healing with both medical and surgical treatments can take up to approximately 6-10 weeks. However, acute pain after surgery often disappears after a few days. Most patients will be able to return to work and resume daily activities in a few short days after the surgery.

Can fissures lead to colon cancer?

Absolutely not. Persistent symptoms, however, need careful evaluation since other conditions other than an anal fissure can cause similar symptoms. Your colon and rectal surgeon may request additional tests, even if your fissure has successfully healed. A colonoscopy may be required to exclude other causes of rectal bleeding.