Post-surgical fecal incontinence.

The primary endpoint of this work was to understand the pathophysiology of fecal incontinence manifested after rectal and anal surgery. A retrospective cohort study with negative colonoscopy patients was created and 169 postoperative incontinent patients were analyzed (114 women and 55 men: mean age 58.9 ± 6.3): clinical evaluation, endoanal ultrasound and anorectal manometry reports were scanned. The duration of incontinence was very long, with a mean of 21.7 months. The mean number of bowel movements/week was 18.2 ± 7.2. Urge incontinence was present in 82.2% of patients, mixed with passive incontinence in 44 patients. Patients' Fecal Incontinence Severity Index (FISI) score was 27.0 ± 6.6. Operated patients had significantly lower anal resting pressure (P < 0.01) than controls while patients with colo-anal anastomosis and those who underwent Delorme operation had lowest values (P < 0.01). Maximal tolerated volume and rectal compliance were significantly impaired in operated patients with rectum involvement (colo-anal anastomosis, Delorme, restorative procto-colectomy and STARR). External anal sphincter (EAS) defects were present in 33.1% of all patients and internal anal sphincter (IAS) was damaged in 44.3%: a combined lesion of anal sphincters was detected in 39 patients (23.0%). A positive correlation was found between patients' FISI score and thickness of both sphincters (EAS: ρs = 73; IAS: ρs = 81). Malfunctioning continence factors may induce fecal incontinence involving each time, in a different way, the volumetric capacity and/or the motility of the rectum, the perception of the fecal bolus and anal sphincter contraction.

Diagnosis and treatment of faecal incontinence: Consensus statement of the Italian Society of Colorectal Surgery and the Italian Association of Hospital Gastroenterologists.

Faecal incontinence is a common and disturbing condition, which leads to impaired quality of life and huge social and economic costs. Although recent studies have identified novel diagnostic modalities and therapeutic options, the best diagnostic and therapeutic approach is not yet completely known and shared among experts in this field. The Italian Society of Colorectal Surgery and the Italian Association of Hospital Gastroenterologists selected a pool of experts to constitute a joint committee on the basis of their experience in treating pelvic floor disorders. The aim was to develop a position paper on the diagnostic and therapeutic aspects of faecal incontinence, to provide practical recommendations for a cost-effective diagnostic work-up and a tailored treatment strategy. The recommendations were defined and graded on the basis of levels of evidence in accordance with the criteria of the Oxford Centre for Evidence-Based Medicine, and were based on currently published scientific evidence. Each statement was drafted through constant communication and evaluation conducted both online and during face-to-face working meetings. A brief recommendation at the end of each paragraph allows clinicians to find concise responses to each diagnostic and therapeutic issue.

Evidence for oesophageal and anorectal involvement in very early systemic sclerosis (VEDOSS): report from a single VEDOSS/EUSTAR centre.

BACKGROUND: The oesophagus is the first gastrointestinal (GI) tract involved in systemic sclerosis (SSc), followed by the anorectum. OBJECTIVE: Evaluation of oesophageal and anorectal involvement and their correlations in patients with very early diagnosis of SSc (VEDOSS). PATIENTS AND METHODS: 59 patients with VEDOSS, evaluated with oesophageal and anorectal manometry and investigated with lung function tests and chest HRCT. Demographic data, oesophageal and anorectal symptoms, Raynaud's phenomenon, autoantibodies, videocapillaroscopy patterns, puffy fingers and digital ulcers were recorded for all patients. RESULTS: In 4 patients oesophageal manometry and in 17 patients anorectal manometry was not performed because of scarce tolerance. Oesophageal peristalsis was absent in 14 patients; its pressure and speed were significantly lower in 41 patients (p<0.001 and p=0.005, respectively). The maximum pressure and mean pressure (Pmax and Pm) of lower oesophageal sphincter were significantly lower (p=0.012 and p=0.024, respectively). Patients with a diffusing capacity of the lung for carbon monoxide<80% presented a hypotonic lower oesophageal sphincter (p=0.008) and an abnormal peristalsis (p<0.001); patients with a diffusing capacity of the lung for carbon monoxide>80% showed only an abnormal peristalsis (<0.001). The anal resting pressure (ARP) at 4.3 cm and 2 cm from anal edge and the anal canal Pm were significantly decreased (p<0.001 and p=0.010, respectively). The maximum voluntary contraction was significantly abnormal in its Pmax and Pm (p=0.017 and p=0.005) and in its duration (p=0.001). In patients with a positive HRCT, the ARP and the canal Pmax and Pm were significantly lower; patients with negative HRCT presented only an abnormal ARP. CONCLUSIONS: In patients with VEDOSS, oesophageal and anorectal disorders are frequently detected, showing that very early SSc is characterised by GI involvement.

A review on functional results of sphincter-saving surgery for rectal cancer: the anterior resection syndrome.

The aim of this review is to characterize the functional results and "anterior resection syndrome" (ARS) after sphincter-saving surgery for rectal cancer. The purpose of sphincter-saving operations is to save the anal sphincters by avoiding the need for rectal abdomino-perineal resection with a permanent stoma. A variety of alternative techniques have been proposed and, today, ultra-low anterior resections of the rectum are commonplace. Inevitably rectal resections modify anorectal physiology. The backdrop of the functional asset for ultralow anterior resections is related to a small neorectal capacity with high endo-neorectal pressures that act together on a weakened sphincteric mechanism. Sometimes a defecation disorder called ARS may be induced and the patient experiences an extremely low quality of life. Impaired bowel function is usually provoked either by colonic dysmotility, neorectal reservoir dysfunction, anal sphincter damage or by a combination of these factors. Surgical technique defects can contribute to these possible causes: anastomotic ischemia, short length of the descending colon and stretching of neorectal mesentery may play a role. Unfortunately, there is no therapeutic algorithm or gold standard treatment that may be used for ARS. Nevertheless, it is rational to use conservative therapy first and then resort to surgery. Drugs, rehabilitative treatment and sacral neuromodulation may be used; after failure of conservative methods, surgical treatment can be considered.

Consensus statement AIGO/SICCR diagnosis and treatment of chronic constipation and obstructed defecation (part II: treatment).

The second part of the Consensus Statement of the Italian Association of Hospital Gastroenterologists and Italian Society of Colo-Rectal Surgery reports on the treatment of chronic constipation and obstructed defecation. There is no evidence that increasing fluid intake and physical activity can relieve the symptoms of chronic constipation. Patients with normal-transit constipation should increase their fibre intake through their diet or with commercial fibre. Osmotic laxatives may be effective in patients who do not respond to fibre supplements. Stimulant laxatives should be reserved for patients who do not respond to osmotic laxatives. Controlled trials have shown that serotoninergic enterokinetic agents, such as prucalopride, and prosecretory agents, such as lubiprostone, are effective in the treatment of patients with chronic constipation. Surgery is sometimes necessary. Total colectomy with ileorectostomy may be considered in patients with slow-transit constipation and inertia coli who are resistant to medical therapy and who do not have defecatory disorders, generalised motility disorders or psychological disorders. Randomised controlled trials have established the efficacy of rehabilitative treatment in dys-synergic defecation. Many surgical procedures may be used to treat obstructed defecation in patients with acquired anatomical defects, but none is considered to be the gold standard. Surgery should be reserved for selected patients with an impaired quality of life. Obstructed defecation is often associated with pelvic organ prolapse. Surgery with the placement of prostheses is replacing fascial surgery in the treatment of pelvic organ prolapse, but the efficacy and safety of such procedures have not yet been established.

Consensus statement AIGO/SICCR: diagnosis and treatment of chronic constipation and obstructed defecation (part I: diagnosis).

Chronic constipation is a common and extremely troublesome disorder that significantly reduces the quality of life, and this fact is consistent with the high rate at which health care is sought for this condition. The aim of this project was to develop a consensus for the diagnosis and treatment of chronic constipation and obstructed defecation. The commission presents its results in a "Question-Answer" format, including a set of graded recommendations based on a systematic review of the literature and evidence-based medicine. This section represents the consensus for the diagnosis. The history includes information relating to the onset and duration of symptoms and may reveal secondary causes of constipation. The presence of alarm symptoms and risk factors requires investigation. The physical examination should assess the presence of lesions in the anal and perianal region. The evidence does not support the routine use of blood testing and colonoscopy or barium enema for constipation. Various scoring systems are available to quantify the severity of constipation; the Constipation Severity Instrument for constipation and the obstructed defecation syndrome score for obstructed defecation are the most reliable. The Constipation-Related Quality of Life is an excellent tool for evaluating the patient's quality of life. No single test provides a pathophysiological basis for constipation. Colonic transit and anorectal manometry define the pathophysiologic subtypes. Balloon expulsion is a simple screening test for defecatory disorders, but it does not define the mechanisms. Defecography detects structural abnormalities and assesses functional parameters. Magnetic resonance imaging and/or pelvic floor sonography can further complement defecography by providing information on the movement of the pelvic floor and the organs that it supports. All these investigations are indicated to differentiate between slow transit constipation and obstructed defecation because the treatments differ between these conditions.

Preoperative radiochemotherapy in t3 operable low rectal cancers: a gold standard?

BACKGROUND: Preoperative chemoradiation followed by total mesorectal excision (TME) has become a standard treatment of preoperatively staged T3 low rectal cancers in many institutions; however, a direct comparison of generalized preoperative versus selective adjuvant chemoradiation has never been assessed in a clinical practice setting. PATIENTS: Over a 4-year period, 80 patients with T3 primary low adenocarcinoma of the rectum, judged operable at preoperative staging, were offered preoperative chemoradiation. Forty-seven patients (Group I) accepted the neoadjuvant treatment and 33 (Group II) preferred immediate surgery and postoperative chemoradiation if indicated. RESULTS: Major postoperative complications occurred in 21% of Group I versus in 11% of Group II (p = 0.3) patients. After a mean follow-up of 92 months, the local recurrence rate was 4 and 9% (p = 0.4), metastasis rate was 30 and 24% (p = 0.5), 5-year survival probability was 0.79 (95% CI = 0.49-0.92) and 0.82 (95% CI = 0.70-1.00) (log-rank test, p = 0.6) for Group I and Group II, respectively. CONCLUSIONS: In T3 operable low rectal cancers, selective postoperative radiochemotherapy yielded similar long-term results regarding recurrence rate and survival as extended preoperative chemoradiation.

The daily diary and the questionnaire are not equivalent for the evaluation of bowel habits.

BACKGROUND: It is unclear whether questionnaires and diary cards, which are widely used to collect data on bowel habits, provide analogous information. AIMS: We verified the concordance between the data provided by a daily diary and a retrospective questionnaire. METHODS: A 4-week diary (DIARY) concerning bowel habits was compiled by 221 subjects. They were also asked to fill out a questionnaire on their bowel habits before (BEF) and after (AFT) the diary period. RESULTS: Concerning bowel movements, no significant difference was detected in the concordance between BEF and DIARY (rho: 0.80), AFT and DIARY (rho: 0.84), or BEF and AFT (rho: 0.84). The mean concordance in the other defecation-related parameters between BEF and DIARY (K: 0.62) and between DIARY and AFT (K: 0.63) were both significantly lower than that seen between BEF and AFT (K: 0.80; p<0.01). CONCLUSION: A considerable discrepancy between the two methods of assessment was found. The higher concordance between BEF and AFT than between DIARY and AFT regarding defecation-related parameters suggests that when a subject recalls events, even those from the recent past, he/she tends to generalize, reporting more or less the same data for different periods of time. These two instruments cannot be viewed as interchangeable, and their inherent differences must be taken into account when deciding which one to employ in different settings.

Rehabilitation of fecal incontinence after sphincter-saving surgery for rectal cancer: encouraging results.

PURPOSE: Some patients, having undergone sphincter-saving operations for rectal cancer, may suffer from fecal incontinence. This study was designed to evaluate the results of rehabilitative treatment in patients with fecal incontinence after sphincter-saving operations and to identify the negative factors that influence therapeutic success. METHODS: Between January 2000 and June 2007, 88 incontinent patients (54 women; age range, 47-73 years; 69 had received a low anterior rectal resection; 19 a straight coloanal anastomosis) were included in the study. After a preliminary clinical evaluation, including the Wexner Incontinence Scale score, anorectal manometry was performed. All 88 patients underwent rehabilitative treatment according to the "multimodal rehabilitative program" for fecal incontinence. At the end of program, all 88 patients were reassessed by means of a clinical evaluation and anorectal manometry; their results were compared with the clinical and manometric data from ten healthy control subjects. Postrehabilitative Wexner Incontinence Scale scores were used for an arbitrary schedule of patients divided into three classes: Class I, good (score 3 to 6). RESULTS: After rehabilitation, there was a significant improvement in the overall mean Wexner Incontinence Scale score (P < 0.03) for both surgical operation types (low anterior rectal resection: P < 0.05; coloanal anastomosis: P < 0.02). Only 21 patients (23.8 percent) were symptom-free, and 37 (42 percent) were considered Class III. A significant postrehabilitative direct correlation was found between: 1) Wexner Incontinence Scale score and degree of genital relaxation (rrho (s) 0.78; P < 0.001); 2) Wexner Incontinence Scale score and irradiation (rrho (s) 0.72; P < 0.01); and 3) Wexner Incontinence Scale score and pelvic (rrho (s) 0.65; P < 0.01) or anal surgery (rrho (s) 0.68; P < 0.01). No significant differences were found between prerehabilitative and postrehabilitative anal pressures in low anterior rectal resection and coloanal anastomosis patients. CONCLUSIONS: After rehabilitation, some patients become symptom-free, many patients show an improvement in the Wexner Incontinence Scale score, and others exhibit the highest grades of fecal incontinence. Genital relaxation, radiotherapy, and previous pelvic, and/or anal surgery are impeding factors to rehabilitative success.

Descending perineum syndrome: are abdominal hysterectomy and bowel habits linked?

PURPOSE: This retrospective study evaluates the effect of abdominal hysterectomy on patients affected by descending perineum syndrome. METHODS: Eighty-nine female patients affected by descending perineum syndrome and one group of 10 healthy women with normal bowel habits were studied retrospectively. Thirty-two descending perineum syndrome patients (Group 1) had received an abdominal hysterectomy for benign diseases, while 57 descending perineum syndrome patients (Group 2) had not undergone this surgery. All 99 subjects underwent clinical evaluation, computerized anorectal manometry, and defecography. RESULTS: Dyschezia was found predominantly in Group 2 subjects (P < 0.05). Fecal incontinence was significantly higher in Group 1 than in Group 2 (P < 0.05). The worst anal resting pressure was found in the incontinent Group 1 patients (P < 0.01). Rectoanal intussusception was a significant defecographic sign in Group 1 subjects (P < 0.05). CONCLUSIONS: Clinical evaluation and instrumental data suggested a possible link between fecal incontinence and abdominal hysterectomy in patients affected by descending perineum syndrome.

An extended assessment of bowel habits in a general population.

AIM: Bowel habits are difficult to study, and most data on defecatory behaviour in the general population have been obtained on the basis of recalled interview. The objective assessment of this physiological function and its pathological aspects continues to pose a difficult challenge. The aim of this prospective study was to objectively assess the bowel habits and related aspects in a large sample drawn from the general population. METHODS: Over a two-month period 488 subjects were prospectively recruited from the general population and asked to compile a daily diary on their bowel habits and associated signs and symptoms (the latter according to Rome II criteria). A total of 298 (61%) participants returned a correctly compiled record, so that data for more than 8 000 patient-days were available for statistical analysis. RESULTS: The average defecatory frequency was once per day (range of 0.25-3.25) and was similar between males and females. However, higher frequencies of straining at stool (P=0.001), a feeling of incomplete emptying and/or difficult evacuation (P=0.0001), and manual manoeuvres to facilitate defecation (P=0.046) were reported by females as compared to males. CONCLUSION: This study represents one of the first attempts to objectively and prospectively assess bowel habits in a sample of the general population over a relatively long period of time. The variables we analyzed are coherent with the criteria commonly used for the clinical assessment of functional constipation, and can provide a useful adjunct for a better evaluation of constipated patients.

Long-term results of Heller myotomy without an antireflux procedure in achalasic patients.

Both open and laparoscopic myotomies have been used in the treatment of achalasia. Postoperative gastro-oesophageal reflux is among the commonly reported side effects of myotomy. The addition of an antireflux procedure to the standard surgical approach has given rise to controversy. The objective of our study was to determine whether or not an antireflux procedure should be used in addition to Heller myotomy. Over the period from 1980 to 1990, 94 patients (mean age: 47.9 years) with achalasia underwent Heller myotomy calibrated by intraoperative oesophageal manometry without fundoplication. In 1999-2000, all patients filled in a clinical questionnaire: all underwent radiographic oesophageal imaging, oesophageal manometry, ambulatory 24-h oesophageal pH monitoring, and oesophagogastroduodenoscopy, when necessary. Ten healthy age-matched subjects were compared in the manometric and radiological studies. Myotomy improved the clinical profiles and instrumental data results in all patients. Gastro-oesophageal reflux was present in 10 patients (10.6%); none of these 10 subjects presented oesophagitis. Heller open myotomy yields good long-term results. Intraoperative manometric calibration reduces the side effects of myotomy, such as gastro-oesophageal reflux. The addition of fundoplication is not justified in all patients.

Lymph node recovery from colorectal tumor specimens: recommendation for a minimum number of lymph nodes to be examined.

Lymph node involvement is the most important prognostic factor for patients who have undergone radical surgery for colorectal carcinoma. An accurate examination of the surgical specimens is mandatory for the correct assessment of the lymph node status of the tumor. The risk of understaging is particularly high for patients with tumors classified as Dukes B (TNM stage II). The aim of this study was to determine if a specified minimum number of lymph nodes examined per surgical specimen could have any effect on the prognosis of patients who had undergone radical surgery for Dukes B colorectal cancer. Between 1988 and 1995 a total of 140 patients underwent radical resection of Dukes B colorectal cancer by the same surgeon (C.C.). The relation between clinicopathologic variables and survival was estimated using the Kaplan-Meier method. The Cox proportional hazard regression model was used to identify the variables that can independently influence survival. A median of 12 lymph nodes (range 3-38) was examined per tumor specimen. The 5-year survival rate of Dukes B patients who had had eight or fewer lymph nodes examined after surgery was 54.9%, whereas the survival rate for those who had had nine or more lymph nodes examined was 79.9% (p < 0.001). Cox regression analysis identified the number of lymph nodes as the only independent prognostic factor (p = 0.01). Seventy patients with one to four metastatic lymph nodes (Dukes C patients) who had been operated on during the same period were included in the survival analysis for comparison. The 5-year survival rate of the Dukes B patients with eight or fewer lymph nodes examined was similar to that of the 70 Dukes C patients (54.9% and 51.8%, respectively). Examination of eight or fewer lymph nodes in Dukes B colorectal patients may be considered a high risk factor for missing positive lymph nodes in the surgical specimens. Our results suggest that harvesting and examining a minimum of nine lymph nodes per surgical specimen may be sufficient for reliable staging of lymph node-negative tumors.

Tumor angiogenesis in lymph node-negative rectal cancer: correlation with clinicopathological parameters and prognosis.

BACKGROUND: Intratumoral microvessel density (MVD) could be used as a prognostic factor in colorectal cancer. We retrospectively analyzed the value of microvessel count in predicting the clinical outcome of stage I and II (Dukes A and B) rectal cancer patients. METHODS: Eighty-four patients who had undergone curative resection of lymph node-negative rectal cancer were included. Tumor type and differentiation, the depth of local invasion, venous invasion, the character of the invasive margin, and the degree of lymphocytic infiltration were evaluated for each tumor specimen. Immunohistochemical staining for the CD31 endothelial antigen was performed to highlight the microvessels. RESULTS: The median value of MVD was 45 microvessels. Low MVD (microvessels < or = 45) was observed in 41 patients (48.8%), and high MVD (>45) was found in 43 (51.2%). The presence of conspicuous lymphocytic infiltration was significantly associated with increased vessel density. With uni- and multivariate survival analysis MVD did not show any prognostic significance. The character of the invasive margin was the only parameter with independent prognostic value. CONCLUSIONS: MVD does not seem to provide any additional prognostic information when compared with standard histopathological parameters in lymph node-negative rectal cancer. It is likely that the strong association between MVD and the presence of conspicuous lymphocytic infiltration may interfere with its predictive value.