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46544 Anal Stenosis After Hemorrhoidectomy: Avoidance and Management
Fig. 44.3 Perianal flap techniques for anal stenosis. a Y-V flap. b V-Y flap. c Diamond flap. d House flap. e rotational S-flap (With permission from [40] © Springer)
individual case, it may be prudent to obtain pre­operative anal manometry to determine the pa­tients’ sphincter function prior to considering this approach. It is a rare circumstance where the au­thors would favor this approach to stenosis after hemorrhoidectomy.
Lateral Mucosal Advancement Flap
The most common procedure used for proximal anatomic anal stenosis is a lateral mucosal or en­dorectal advancement flap (Fig. 44.3) [27]. This procedure is initiated by making a lateral inci­sion in the perianal skin and transition zone such that the scar is completely divided (and a lateral
internal sphincterotomy may also be performed simultaneously, if favored by the surgeon). Fol­lowing scar division, the rectal mucosa is then mobilized proximally in a triangular or tongue­like formation proximally into the distant rectum in the muscular plane for 4–6 the flap
can easily reach to interpose across the
cm, ensuring that
scar/stenosis with little to no tension. While this flap is referred to as a mucosal flap, it is vitally important to include mucosa, submucosa, and a portion of the circular muscle of the rectal wall, as flaps including only the mucosa and submuco­sa are prone to developing recurrent stricture due to ischemia. Additionally, the width of the flap base (proximal) should be approximately twice the width of the apex (distal) as another meth­od to ensure adequate blood supply. The flap is then sutured to the anoderm distal to the stenosis using absorbable sutures in an interrupted, full­thickness fashion (the authors favor 3-0 vicryl, or more rarely, 3-0 chromic for smaller flaps). It is important that the mucosal flap is not fixed distal to this point, as this may lead to ectropion forma­tion. Any portion of the excision of the stricture external to the intersphincteric groove should be left open to heal by secondary intent to avoid ec­tropion formation and minimize the risk of recur­rent stricture. This procedure is generally well tolerated by patients in terms of postoperative pain with good long-term outcomes, and the pro­cedure may be able to be performed with seda­tion and local anesthesia [21, 27, 28]. While this method is useful for proximal stenoses, perianal skin advancement flaps are better techniques for more distal anatomic stenoses.
Y-V Advancement Flap
One widely performed procedure is the Y-V advancement flap, especially for low and mid­stenoses. The Y-V advancement flap is accom­plished by making a wide-based V-shaped inci­sion with the apex just distal to the stenosis and the base of the flap laterally on the anoderm and perianal skin at least 2–3-cm wide, after which the “Y” extension is made from the apex of the “V” through the entire length of the area of ste­nosis (Fig. 44.3). The flap is then mobilized by dividing the deeper subcutaneous attachments
466 J. B. Mitchem and P. E. Wise
Fig. 44.4 V-Y advancement flap. a Excision of anal stricture and “V” incision into the perianal skin. b Flap mobiliza- tion including the subcutaneous fat and closure in “Y” formation
perpendicular to the skin while taking care to ensure both preservation of the subdermal blood supply and a tension-free repair, commonly re­quiring mobilization to the level of the underly­ing fascia depending on flap location. The apex of the V is then sutured to the distal corner cre­ated by the Y extension at the level of the inter­nal-most aspect of the stenosis using interrupted longer term absorbable sutures (for example, 4-0 or 3-0 Monocryl or PDS), which creates the final “V” configuration of the repair. This technique has been described as very effective for relieving patients’ symptoms [2931]. The procedure can be performed in the posterior or lateral positions, and bilaterally, if necessary [20].
V-Y Advancement Flap
Another option for treatment of distal anal ste­nosis is the V-Y advancement flap (Fig. 44.3). To begin the operation, the area of stenosis is excised approximately 5 mm proximal to the dentate line (Fig. 44.4a). After excision of the stenosed segment, the V-Y advancement flap is accomplished by creating a wide V-shaped inci­sion with the apex of the V extending into the healthy surrounding perianal skin. The base of the V should again be approximately 2–3-cm wide on the side of the stenosis, and the distal extent of the incision should be approximately two to three times the width of the base. Again,
meticulous dissection is used to fully mobilize the flap while preserving the subdermal vascu­lar plexus and ensure adequate mobilization to ensure a tension-free repair. After mobilization, the base of the V is sutured to the base of the area of excision, and the apex of the V is closed primarily to create the “Y” extension of the repair (Fig. 44.4b). It is generally felt that a 2-cm flap is adequate for a good repair [26]. While initially described for the treatment of mucosal ectropion [32], it has been applied to anal stenosis from a variety of causes with good results [33].
Diamond-Shaped Flap
To carry out the diamond flap, the scarred ano­derm is incised across the stenosis laterally ex­tending just into healthy tissue proximally (above the stenosis) and may have a slight diamond shape to facilitate flap placement (Fig. 44.3a,
b and 44.5a-c). A diamond-shaped flap at least
2–3-cm wide (depending on the degree of steno­sis, it may need to be wider) is then created in the surrounding perianal skin with one apex at the external end of the incision across the stenosis. Again, this flap is then fully mobilized, taking care to preserve the subdermal fat and vascular plexus. After achieving full mobilization, the flap is then sutured with interrupted full-thickness su­tures to the proximal aspect of the incision across the stenosis and then the surrounding remaining
46744 Anal Stenosis After Hemorrhoidectomy: Avoidance and Management
Fig. 44.5 Bilateral diamond flaps. a Preoperative depic- tion of anal stricture. b Incisions through the anal stricture to create the opening for flap placement. c Depiction of
anoderm after which the donor site is closed pri­marily in a linear fashion. An advantage of the procedure is that it may be used multiple times to cover multiple areas of stenosis or large defects. Results using this procedure have been reported as excellent [34], and in one study, the results were slightly better than the Y-V advancement flap [29], perhaps due to bringing a wider portion of vascularized skin into the site of the stenosis.
House Flap
The “house” flap, as originally described by Christensen et al., is another method of flap re­construction (Fig. 44.3) [35]. It was designed to treat large areas of distal stenosis. The operation is begun by making a linear or rectangular, super­ficial incision in the right or left lateral position of the stenosis extending from the dentate line or most proximal edge of the stenosis through to the distal edge of the stenosis. The base (or “founda­tion”) of the house-shaped flap is recommended to be approximately the entirety of the anal canal on the affected side (at least 2–3-cm wide), and the distal extent out onto the anoderm should be two to three times the width of the base, similar to the Y-V flap as discussed above. Transverse incisions extending laterally from the outer edge of the stenosis are made with the most lateral as­pects of the anoderm incisions being brought to­gether to form the apex of the “roof” of the house flap. The flap is then mobilized as described previously for the diamond flap, preserving the subdermal blood supply. The base/foundation of the house flap is then mobilized into the defect
flap creation and mobilization, including the subcutane­ous fat. d Final appearance at closure
created in the stenosis, and the flap is sutured in place with interrupted full-thickness sutures, after which the anoderm is closed laterally at the “donor” site (similar to a V-Y closure). The house flap was designed to provide coverage for severe stenoses and can be performed multiple times in the same patient, with no single flap covering more than 25 % of the stenotic area [21]. This technique has been employed with good success rates in several studies with high levels of patient satisfaction in follow-up to 26 months after re­pair [3538]; although in one study there was a reported 44 % rate of primary (donor site) wound separation [37], which will usually close primar­ily with local wound care.
U-shaped Flap
The U-shaped flap is similar to the diamond flap and has been described for use in patients with anal stenosis and mucosal ectropion [39]. This procedure is begun by incising the area of steno­sis followed by making a U-shaped incision in the healthy perianal skin. The flap is then mobilized and sutured in place to cover the defect. This ap­proach provides a larger distal extent of the flap to potentially avoid the concern for possible tip ischemia associated with V-Y flap advancement.
Postoperative Care
Patients undergoing limited procedures, such as sphincterotomy, can generally be handled on an outpatient basis. When a more extensive operation
468 J. B. Mitchem and P. E. Wise
is undertaken involving flap reconstruction, these patients are generally admitted at least overnight to the hospital to ensure adequate pain control. While some of these patients were admitted for 3–4 days in the past and kept NPO for the first 2 days of hospitalization, followed by subsequent initiation of a high-fiber diet, laxatives, and min­eral oil to avoid constipation, there are no data to support this approach. Instead, most patients are immediately advanced to a high-fiber diet and stool softeners with or without laxatives. Patients are provided adequate analgesia in the form of oral pain medications, sitz baths, or showers are used for comfort as well as to clean after bowel function, and the patients are instructed to other­wise keep the area clean and dry. Prolonged sit­ting and strenuous activities are discouraged for the first 2 weeks postoperatively. It is not routine practice to use closed drainage unless a large flap is created, and this should be removed at the sur­geon’s discretion, usually when the output is less than 5–10 oral antibiotics is not indicated postoperatively unless infection occurs. Short-term postopera­tive complications are similar to other perineal and anal operations and include urinary retention and local infection. Significant bleeding is rare. Flap ischemia may occur and is usually man­aged with local wound care, although operative debridement may rarely be needed. Long-term complications include ectropion formation, leak­age/incontinence, and/or recurrence of stenosis. These complications are relatively infrequent, if the appropriate surgical approach is chosen and performed by experienced surgeons.
cc/day
. Routine use of topical and/or
Summary
Anal stenosis is a rare complication of hemor­rhoidectomy and can generally be avoided by per­forming meticulous dissection in the submucosal plane, avoiding injury to the underlying muscle, and ensuring adequate normal intervening ano­derm during the index operation. Most patients with anal stenosis can be managed nonopera­tively using a combination of increased dietary fiber, hydration, and stool softeners; however, it
is important to confirm that there is not a more concerning underlying process, such as anal or rectal neoplasia. It is uncommon for patients with mild stenosis to require operative intervention, but in patients with mild to moderate stenosis in whom non-operative methods fail, a trial of se­rial dilations commonly provides resolution. In patients with nonresponsive moderate stenosis or severe stenosis, there are a multitude of options for intervention including sphincterotomy and various methods of flap anoplasty. Surgical ther­apy should be guided by location and the ability to create a tensionless flap and preserve integrity of flap blood supply. After surgical intervention, patients should be maintained on high-fiber diet and stool softeners, as well as being provided adequate analgesia, as these will help to prevent postoperative complications and lead to good outcomes and resolution of symptoms in the vast majority of patients.
Key Points: Managing Complications
1. Managing anal stenosis after hemorrhoidec-
tomy starts with the index operation. To avoid
this complication:
a. Employ techniques of meticulous dissec-
tion in the submucosal plane, avoiding injury to the internal sphincter muscle.
b. Ensure adequate intervening normal ano-
derm between excisions, generally consid­ered ~ 1 cm.
c. When possible, limit the number of sites of
hemorrhoid excision at each intervention.
d. Complex hemorrhoidal disease should be
managed by surgeons experienced in the treatment of perianal conditions.
2. Anal stenosis can be due to a functional defect
in the internal sphincter complex, anatomic
strictures of the anal canal, or a combination
of both. Each of these issues may be managed
slightly differently, so it is important to arrive
at the appropriate diagnosis preoperatively.
3. The diagnosis of anal stenosis is primarily one
based on history and physical examination;
however, adjunctive assessments may be nec-
essary in the appropriate clinical setting.
46944 Anal Stenosis After Hemorrhoidectomy: Avoidance and Management
4. The majority of patients with mild and moder­ate stenosis can be managed nonoperatively.
5. There are a number of techniques used to treat this condition operatively, and the approach to each patient should be individualized based on severity of stenosis, location, and patient symptoms.
6. Postoperatively, patients should be provided adequate analgesia and maintained on a regi­men of high-fiber intake, increased fluids, and stool softeners.
7. Complications are rare when the techniques are performed as described; however, compli­cations may include the following:
a.
The most common
immediate postopera­tive complication is flap ischemia/necrosis, which can generally be managed with local wound care.
b.
Long-term complications can
include ectropion, leakage/incontinence, and recur­rent stricture. These complications are best treated preventatively by adherence to sur­gical principles during the index operation.
References
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2. MacRae HM, McLeod RS. Comparison of hemor­rhoidal treatment modalities. A meta-analysis. Dis Colon Rectum. 1995;38(7):687–94.
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6. Milligan ETC MC, Jones LE, Officer R, Surgical anatomy of the anal canal and operative treatments of haemorrhoids. Lancet. 1937;ii:1119–24.
7. Ferguson JA, et al. The closed technique of hemor­rhoidectomy. Surgery. 1971;70(3):480–4.
8. Hetzer FH, et al. Stapled vs excision hemorrhoidec­tomy: long-term results of a prospective randomized trial. Arch Surg. 2002;137(3):337–40.
9. Wang JY, et al. Randomized controlled trial of Liga­Sure with submucosal dissection versus Ferguson hemorrhoidectomy for prolapsed hemorrhoids. World J Surg. 2006;30(3):462–6.
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milligan-morgan hemorrhoidectomy: a prospective, randomized, multicenter trial with 2-year postopera­tive follow up. Ann Sur. 2005;242(1):29–35.
Mehigan BJ, Monson JR, Hartley JE. Stapling
11. cedure for haemorrhoids versus Milligan-Morgan haemorrhoidectomy: randomised controlled trial. Lancet. 2000;355(9206):782–5.
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13. Senagore AJ, et al. A prospective, randomized, con­trolled multicenter trial comparing stapled hem­orrhoidopexy and Ferguson hemorrhoidectomy: perioperative and one-year results. Dis Colon Rectum. 2004;47(11):1824–36.
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Manfredelli S, et al. Conventional (CH) vs. stapled
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17. Beattie, Lam, Loudon. A prospective evaluation of the introduction of circumferential stapled anoplasty in the management of haemorrhoids and mucosal prolapse. Colorectal Dis. 2000;2(3):137–42.
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22. Van Koughnett JA, da Silva G. Anorectal physi­ology and testing. Gastroenterol Clin North Am. 2013;42(4):713–28.
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is best; haemorrhoidectomy needs skilled operators. BMJ. 2000;321(7261):582–3.
24. Eu KW, et al. Anal stricture following haemorrhoid­ectomy: early diagnosis and treatment. Aust N Z J Sur. 1995;65(2):101–3.
25. Kanellos I, et al. Pneumomediastinum after dilatation of anal stricture following stapled hemorrhoidopexy. Tech Coloproctol. 2004;8(3):185–7.
26. Lagares-Garcia JA, Nogueras JJ. Anal steno sis and mucosal ectropion. Surg Clin North Am. 2002;82(6):1225–31. vii.
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ment anoplasty for anal stricture. Br J Surg. 2002;89(11):1423–4.
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Mazier WP. Classication and manage-
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T, Miyamoto S, Saito
anoplasty

Part V

Other Considerations

Delivering Bad News: Conversations with My Surgeon
Murray F. Brennan
45
Introduction
Almost all successful human interrelationships succeed because of shared and understood ex­pectations whether between spouses, parents and children, employee and employer, business partners, or doctor and patient. If expectations are understood by both participants, then much of the rancor and future potential conflict can be avoided or ameliorated.
No better example of this is seen than between surgeon and patient prior to the performance of a major surgical procedure. Much of the difficulty and angst encountered in delivering “bad news” occurs because of the failure to anticipate a poor outcome because of either unrealistic expecta­tions of the patient, his or her family, or the fail­ure of the surgeon to convey the potential for less than a perfect outcome. No surgical procedure can ever be perfect and there are situations when unanticipated problems do occur. The ability to minimize the unanticipated is foremost in mak­ing delivery of bad news tolerable and less likely to engender anger.
M. F. Brennan () Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY, USA e-mail: brennanm@mskcc.org
Informed Consent
Informed consent is intended to convey just that, “informed” consent. It is your devoir. The im­portance is underappreciated by the surgeon who delegates consent to a junior member of the team. We need be cognizant that informed consent is often offered at a time when the patient is most vulnerable, and often obtained at a time when pa­tient receptivity is at a minimum. Presentation of a diagnosis of cancer of the pancreas or the an­ticipation of a pancreatic cancer is accompanied by mind numbing shock and rarely delivered in a situation where calm and considered “informed consent” can be obtained. Legal requirements of informed consent are often vague, poorly under­stood, or interpreted by patient and surgeon alike [1]. When one anticipates that some form of com­plication minor or major occurs in up to 50 % of patients undergoing pancreaticoduodenectomy, one realizes how infrequently such potential events are described. Conversely, the willingness to emphasize complexity of any procedure and the potential of some complication occurring is essential to future rapport. This can be simplisti­cally conveyed when talking about the duration of hospital stay. The mention of the anticipated postoperative stay, that is the statistical median, should always be tempered by “should a compli­cation occur hospital stay will be prolonged.”
Hospital readmission is not uncommon and should not be feared but anticipated. With the current emphasis on early discharge, the patient should be informed of the likelihood of readmis-
T. M. Pawlik et al. (eds.), Gastrointestinal Surgery, DOI 10.1007/978-1-4939-2223-9_45, © Springer Science+Business Media New York 2015
473
474 M. F. Brennan
sion. Currently 25 % of complications of major procedures occur post initial discharge, and the majority of those will require readmission [2].
The personal investment of the responsible surgeon’s time in obtaining his or her own in­formed consent is an excellent investment in the long-term surgeon–patient relationship. The in­clusion of the family in this discussion is crucial. No greater potential for misunderstanding occurs than when conversations with the family either do not occur or occur in the absence of the pa­tient, such that subsequent interpretation is seen differently by either side. A simple hand-drawn diagram outlining the planned procedure can often convey a sense of intimacy that is well ap­preciated.
Of additional importance for all major pro­cedures is that all members of the team are “on the same side.” This is of most help, if one has a personal nurse or assistant who is familiar with your approach to procedures and can reinforce and explain, always being consistent. As a junior faculty member this may not be possible as vari­able support staff is available at the time of the initial visit. This means even greater importance of the participation of the primary surgeon. If you are unaware of the approach of your support staff to patients, your personal involvement must in­crease.
The simple offer of a willingness to discuss things further between the time of initial visit and consent and the planned procedure can do much to allay concern and defray the potential for mis­understanding. This offer sets the awareness that the surgeon and members of his team are avail­able and willing to address concerns of the pa­tient and family both pre- and postoperatively.
Empathetic informed consent should rarely, if ever, be obtained with either surgeon or patient standing. The simple effort of sitting beside or in front of the patient as the consent is carefully considered conveys an air of understanding and empathy. The perception of being rushed to “sign here” is not worth the few minutes it may poten­tially save.
Other situations can be anticipated at the time of consent and the family and patient prepared for eventualities unrelated to the complications
or outcome. The simple suggestion that the pro­cedure “normally takes 4 h” can be conveyed with the understanding that if the procedure is particularly difficult it will take longer. Con­versely, a very short procedure will anticipate a very different outcome; usually in cancer surgery it will mean that the tumor cannot be removed. The patient and the family are then clearly pre­pared; should they learn that only an hour has passed and the surgeon is coming to speak with them. This is an important strategy when diag­nostic laparoscopy precedes an intended compli­cated procedure. The setting of expectations can­not be overemphasized.
The potential for having to deliver bad news has begun at the initial patient encounter and at the time of informed consent.
The Family Does Not Want the Patient to be Fully Informed
The false belief that by not mentioning the word cancer the patient will be reassured or the fam­ily’s guilt assuaged should be confronted. For example, you come to see a patient. The family is hovering outside the room and begins with, “You know, doctor, he does not know he has can­cer” and more concerning, “We do not want him told.” The truth is rarely that. The family does not want to discuss the frightening diagnosis, and rather than being reassured, the patient is often more terrified than justified. The situation has to be confronted with empathy and directness but absolute truthfulness.
Telling the truth does not need to be presented as a crucifixion. There are many strategies. From the simple as in my case, “Do you not think the patient knows the name of this hospital?” Or “Do you not think he knows what kind of surgeon I am?” Although seemingly more arrogant, “Do you trust your father?” followed by, “Will he be able to trust you if he learns that you have not been honest with him?” Or perhaps even more superficially arrogant, “Do you think your moth­er/father is intelligent?” followed immediately by, “Of course, you do. Do you not think he/she deserves the respect of his family?” There are
47545 Delivering Bad News: Conversations with My Surgeon
many ways to address this issue. The importance is that avoidance of reality will only lead to dif­ficulties in subsequent encounters.
Perioperative Death
In major operations, the potential for intraop­erative or perioperative death should always be mentioned. The concept of “is there a risk of you dying?” can always be presented in the context of “of the last 100 patients undergoing this opera­tion in our institution two did not survive the first 30 days.” This emphasizes the potential serious­ness of the procedure without drama or inappro­priate terror.
Intraoperative death is far less frequent today than it was 20 years ago. It is a rare situation where an intraoperative complication cannot be successfully managed to have the patient leave the operating room and be received in the post­surgery and anesthesia care unit. In that situation, the family can prepare at the bedside or nearby for an anticipated demise. Certainly, in a situation where a major intraoperative disaster occurs, the ability of one of the surgical team communicating to the family that difficulties have been encoun­tered, and that they can anticipate the surgeon responsible speaking with them but not until the problem is addressed, is most helpful. This rein­forces the importance of continued communica­tion between surgical team and the patient’s fam­ily. The awareness of the patient and the family that there will be a nurse who will communicate with the family as to progress of an operative procedure provides an excellent resource. If the patient is aware that communication is available, then a wise surgeon encountering difficulty or even awareness that the procedure will be pro­longed can have that communicated to the fam­ily. When serious life-threatening intraoperative problems occur, the ability to forewarn the fam­ily leads to a gradual anticipation of a potentially lethal event.
All of these scenarios are such that the deliv­ery of bad news can be anticipated and planned
for. The suggestion that the family be moved to a private consulting room ahead of the surgeon’s arrival provides similar anticipatory understand­ing.
When an Intraoperative Death Does Occur
When an intraoperative death occurs, it is es­sential that the surgeon responsible assumes that responsibility and discusses it with the family. The preparation of the family by giving them awareness that problems have been encountered is helpful. The invitation for the family to move to a private consulting room forewarns them of the gravity of the situation. It can be helpful to have the nurse who is dealing with the fam­ily accompany the surgeon to the family, but it should not be several members of the operating team who confront the family. This is the primary surgeon’s responsibility. This conversation does need to take place in a quiet environment with everyone sitting and composed. The initiation of the conversation can be difficult. Most often, the patient will be able to be resuscitated to where they will reach the recovery room. In that situ­ation, the conversation can begin with, “Unfor­tunately, things have not gone well, and we have encountered a problem that is not solvable.” This can be followed by the actual description of the circumstances and must, if the anticipated out­come is demise, include a comment to the effect that, “We do not expect Mr. X to survive.” Such comments can always be tempered by a caveat as to the seriousness of the situation, the anticipa­tion of permanent morbidity or organ failure if initial recovery does occur. Again, in the absence of absolute demise everything should be done to set the scene for the anticipated outcome. It is often most valuable once the anger and angst is tempered to suggest that you, the responsible sur­geon, are going once again to see the patient and then will return to bring the family or the most closely associated members of the family to the bedside to reinforce the anticipated outcome.