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Biomedical subjects

J M Church

Publications and source records attributed to J M Church.

At least 19 recordsLinked to original sources

Significance of incidental desmoids identified during surgery for familial adenomatous polyposis.

PURPOSE: The behavior of intra-abdominal desmoids in familial adenomatous polyposis is incompletely understood. Findings range from typical mass lesions to flat sheets, termed the desmoid reaction or desmoid precursor lesion. The latter often are incidental findings of uncertain significance. The study was designed to describe the natural history of incidental intra-abdominal desmoid tumors with particular reference to the desmoid reaction. METHODS: Patients who underwent laparotomy for familial adenomatous polyposis at the Cleveland Clinic Foundation were identified. The incidence of incidental intra-abdominal desmoid tumors was determined by review of operative records. Intra-abdominal desmoid tumors were classified as mass lesions if three-dimensional or desmoid reaction if two-dimensional. The incidence of clinically apparent intra-abdominal desmoid tumors (typical mass lesions on physical examination or cross-sectional imaging in symptomatic patients) was determined by chart review. The incidence of clinical intra-abdominal desmoid tumors between groups was compared by Fisher's exact test. RESULTS: A total of 266 patients (153 females; median age, 26 (range, 9-63) years) underwent abdominal surgery for familial adenomatous polyposis. Incidental intra-abdominal desmoid tumors were identified in 34 patients: 8 at the index surgery and 26 at relaparotomy. These lesions influenced the planned procedure in eight cases (26 percent), including preventing ileoanal pouch in 3 of 19 patients in whom this was intended. The median follow-up from the time of identification of intra-abdominal desmoids was 42 (range, 2-178) months at which point four patients (11 percent) had developed clinical intra-abdominal desmoid tumors. There was no significant difference in incidence of clinical intra-abdominal desmoid tumors between mass and desmoid reaction groups ( P = 0.27). CONCLUSIONS: Incidental intra-abdominal desmoid tumors are a common finding at relaparotomy in patients with familial adenomatous polyposis. These lesions influence planned surgery in a minority of cases. Desmoid reaction may have little bearing on the subsequent development of clinically significant intra-abdominal desmoid tumors.

Adenomatous Polyposis Coli↗

Analysis of the outcome of ileal pouch-anal anastomosis in patients with Crohn's disease.

PURPOSE: Ileal pouch-anal anastomosis has come to represent the procedure of choice for patients requiring surgery for mucosal ulcerative colitis. In contrast, a proven diagnosis of Crohn's disease is generally held to preclude ileal pouch-anal anastomosis. However, patients with ileal pouch-anal anastomosis for apparent mucosal ulcerative colitis who are subsequently found to have Crohn's disease have a variable course. We reviewed our experience in this scenario to determine whether selected patients with Crohn's disease may be candidates for ileal pouch-anal anastomosis. METHODS: A retrospective review of the prospectively maintained ileal pouch-anal anastomosis database was undertaken to identify patients with a diagnosis of Crohn's disease after ileal pouch-anal anastomosis. Clinical outcome and quality-of-life data were obtained from the database and chart review. End points were the development of recrudescent Crohn's disease, pouch failure, and quality of life and functional outcome at the time of data collection. Differences between groups were calculated using the chi-squared test. Cumulative incidence of recrudescent Crohn's disease and pouch loss were calculated by the Kaplan-Meier method. Factors predictive of development of recrudescent Crohn's disease and pouch loss were examined by univariate analysis. RESULTS: Sixty patients (32 females; median age, 33 (range, 15-74) years) who underwent ileal pouch-anal anastomosis for mucosal ulcerative colitis subsequently had that diagnosis revised to Crohn's disease. Median follow-up of all patients was 46 (range, 4-158) months at time of data collection by which time 21 patients (35 percent) had developed recrudescent Crohn's disease. No pre-ileal pouch-anal anastomosis factors examined were predictors of the development of recrudescent Crohn's disease on univariate analysis. Median follow-up of the latter group was 63 (range, 0-132) months from time of diagnosis, by which time six patients underwent pouch excision and another patient was permanently defunctioned. The overall pouch loss rate for the entire cohort was 12 percent and 33 percent for those with recrudescent Crohn's disease. Median daily bowel movements in those with ileal pouch-anal anastomosis in situ at the time of data collection was 7 (range, 3-20), with 50 percent of patients rarely or never experiencing urgency and 59 percent reporting perfect or near perfect continence. Median quality of life, health, and happiness scores were 9.9 and 10 of 10. CONCLUSIONS: The secondary diagnosis of Crohn's disease after ileal pouch-anal anastomosis is associated with protracted freedom from clinically evident Crohn's disease, low pouch loss rate, and good functional outcome. Such results only can be improved by the continued development of medical strategies for the long-term suppression of Crohn's disease. These data support a prospective evaluation of ileal pouch-anal anastomosis in selected patients with Crohn's disease.

Adolescent↗

Benefits of 'clean sweep' in Peutz-Jeghers patients.

OBJECTIVE: Laparotomy is the treatment of choice in Peutz-Jeghers Syndrome (PJS) patients for endoscopically irretrievable symptomatic polyps and polyp-related complications. During the last decade, we have operated on majority of the PJS patients with the purpose of removing all the gastrointestinal polyps (clean sweep), when an operation was indicated. The aim of this study is to evaluate the effect of clean sweep technique on the need for repeated surgery compared to a problem focused approach. PATIENTS AND METHODS: All patients with PJS treated in our institution since 1964 were studied. They were placed into two groups; those who had a problem-focused operation and those who were operated with the purpose of removing all small and large intestinal polyps. Demographics, presentation, follow-up period and the need for recurrent surgery were compared. RESULTS: We identified 11 patients (4 males, 7 females). Eight patients (5 females; median age 18.5) had problem-focused surgery for bleeding-anaemia (n = 3) or obstruction-intussusception (n = 5). These patients required 23 further operations within 87 patient-follow-up-years (2.64 operations per 10 years). Three patients (2 females; median age 6) were operated for bleeding-anaemia (n = 1) or obstruction-intussusception (n = 2) using the 'clean sweep' approach. These patients did not require any further surgery within 21 patient-follow-up-years. The gender, presentation and follow-up periods were similar between the groups. However, the 'clean sweep' technique appears to have reduced the need for further operations when it is compared with problem-focused approach (P = 0.01). CONCLUSION: To reduce the need for abdominal surgery and consequent problems in PJS patients, an attempt to remove all detected polyps (clean sweep technique) may be beneficial in these patients.

Adolescent↗

Factors affecting local recurrence of colonic adenocarcinoma.

PURPOSE: The aim of this retrospective study was to determine which aspects of tumor morphology and histology influenced the incidence of local recurrence after curative resection of colonic adenocarcinoma. METHODS: Patients who had a curative resection for a primary colonic adenocarcinoma between 1980 and 1993 (inclusive) were identified from the colorectal cancer database in the Department of Colorectal Surgery. The charts of patients diagnosed with a local recurrence were then reviewed and their findings at operation and histologic assessment analyzed. Patients were followed up for at least five years or until death. RESULTS: Over the period of study, 1,031 patients had a curative resection for colonic adenocarcinoma. Local recurrences were detected in 32 patients (3.1 percent). The gender distribution of patients with local recurrence was 18 males (56.3 percent) and 14 females (43.7 percent) with a mean age of 63.4 years. The median time to local recurrence was 13 (range, 2-71) months. The distribution of primary tumors that recurred locally favored the cecum (n = 9; 28.1 percent) and sigmoid colon (n = 14; 43.7 percent) over other locations; these were, however, the most common sites of primary lesions. Less common sites included the ascending colon (n = 0; 0 percent), hepatic flexure (n = 2; 6.3 percent), transverse colon (n = 1; 3.1 percent), splenic flexure (n = 3; 9.4 percent), and descending colon (n = 3; 9.4 percent). Of the total number of tumors, 101 were found to be adherent to at least 1 other intra-abdominal viscus, and 12 (11.9 percent) recurred locally. Other factors associated with local recurrence were tumor perforation and fistulation. Overall, 30 tumors (2.9 percent) were perforated, and 6 (20 percent) recurred locally. Four tumors (0.4 percent) were fistulating; of these, 2 (50 percent) recurred locally. Advanced tumor stage was also associated with an increased rate of local recurrence (Stage I, 0 percent; Stage II, 2.05 percent; Stage III, 7.0 percent; and Stage IV, 6.1 percent). Similarly, tumor differentiation was related to local recurrence, with no instances in well-differentiated tumors, 2.8 percent in moderately differentiated tumors, and 6.8 percent in poorly differentiated tumors. CONCLUSIONS: The location of the primary tumor is not a factor in producing local recurrence. Fixity to another viscus, perforation or fistulation, advanced stage of disease, and differentiation of tumor appear to increase the chances of recurrence of curatively resected colonic carcinoma. Although the recurrence rate is higher in these groups than for tumors overall, definitive oncologic surgery prevents recurrence in the majority of cases. No colonic tumor that was T1 or T2 (N0, N1, or N2) or that was well differentiated recurred locally.

Adenocarcinoma↗

Mucosectomy vs. stapled ileal pouch-anal anastomosis in patients with familial adenomatous polyposis: functional outcome and neoplasia control.

PURPOSE: The tradeoff of neoplasia control for better function represented by a stapled ileal pouch-anal anastomosis is still controversial in patients with familial adenomatous polyposis. We compared outcomes after mucosectomy and hand-sewn ileal pouch-anal anastomosis with those after stapled ileal pouch-anal anastomosis in 119 patients with familial adenomatous polyposis who underwent surgery since 1983. METHODS: Age, gender, length of follow-up, complications, quality of life, incontinence, urgency, nighttime and daytime seepage, pad usage, necessity of ileostomy, and incidence of adenomas developing in pouch and anal transitional zone were recorded. RESULTS: There were 42 mucosectomy and 77 stapled patients who were followed up for an average of 5.8 and 3.6 years, respectively, with endoscopic surveillance. There was one postoperative death in the stapled group that prohibited long-term follow-up. Nine of 42 mucosectomy patients developed pouch adenomas vs. 8 of 76 in the stapled group. Six of 42 patients developed adenomas in the mucosectomized anal transitional zone in the mucosectomy group. Twenty-one of 76 patients developed adenomas in the anal transitional zone in the stapled group. All were managed with local procedures or further surveillance. One of 76 patients developed cancer in the residual low rectum; this required further resection. Patients with stapled anastomosis had better outcomes in every category. Differences in incontinence, daytime and nighttime seepage, pad usage, and avoidance of ileostomy were statistically significant. All patients with mucosectomy required ileostomy vs. only 40 of 77 patients with stapled anastomosis. CONCLUSION: Familial adenomatous polyposis patients with stapled ileal pouch-anal anastomosis have better functional outcome and can avoid temporary diversion. This should be balanced against a 28 percent incidence of adenomas in the anal transitional zone.

Adenoma↗

Molecular genetics and Crohn's disease.

This article reviews basic molecular genetics and summarizes recent work in the genetics of Crohn's disease. Family studies are summarized, and candidate genes are described. The current state of knowledge and the implications of possible inheritance of Crohn's disease for patient care are discussed.

Chromosome Mapping↗

Neostigmine: safe and effective treatment for acute colonic pseudo-obstruction.

BACKGROUND: Ogilvie's syndrome, or acute colonic pseudo-obstruction, is a common and relatively dangerous condition. If left untreated, it may cause ischemic necrosis and colonic perforation, with a mortality rate as high as 50 percent. Neostigmine enhances excitatory parasympathetic activity by competing with acetylcholine for attachment to acetylcholinesterase at sites of cholinergic transmission and enhancing cholinergic action. We hypothesized that neostigmine would restore peristalsis in patients with acute colonic pseudo-obstruction. METHODS: Twenty-eight patients at Fletcher Allen Health Care and The Cleveland Clinic Foundation were treated for acute colonic pseudo-obstruction with neostigmine 2.5 mg IV over 3 minutes while being monitored with telemetry. Mechanical obstruction had been excluded. RESULTS: Complete clinical resolution of large bowel distention occurred in 26 of the 28 patients. Time to pass flatus varied from 30 seconds to 10 minutes after administration of neostigmine. No adverse effects or complications were noted. Of the two patients who did not resolve, one had a sigmoid cancer that required resection and one patient died from multiorgan failure. CONCLUSION: This study supports the theory that acute colonic pseudo-obstruction is the result of excessive parasympathetic suppression rather than sympathetic overactivity. We have shown that neostigmine is a safe and effective treatment for acute colonic pseudo-obstruction.

Acute Disease↗

Laparoscopic restorative proctocolectomy: case-matched comparative study with open restorative proctocolectomy.

PURPOSE: A laparoscopic approach to restorative proctocolectomy is new and has not been compared recently with the traditional open procedure. By using prospectively gathered data, laparoscopic and open restorative proctocolectomy procedures in mucosal ulcerative colitis and familial adenomatous polyposis patients were compared by using a case-matched design. METHODS: Forty patients, composing 20 consecutive laparoscopic cases (13 mucosal ulcerative colitis, 7 familial adenomatous polyposis), were matched for age, gender, and body mass index with 20 open cases (13 mucosal ulcerative colitis, 7 familial adenomatous polyposis) performed during the same time period. Mucosal ulcerative colitis patients were also matched for severity of disease by using hemoglobin and albumin levels, whole blood count, and steroid dependency. A loop ileostomy was made in 12 of 13 laparoscopic mucosal ulcerative colitis patients, all open mucosal ulcerative colitis patients, and no familial adenomatous polyposis patients. RESULTS: The median age was 25 (range, 9-61) years. There were no intraoperative complications in either group and no conversions in the laparoscopic group. The operative times (median, range) were significantly longer in laparoscopic cases (330, 180-480 minutes) vs. open cases (230, 180-300 minutes), P < 0.001. Bowel function returned more quickly in laparoscopic cases (2, 1-8 days) vs. open cases (4, 1-13 days), P = 0.03; and the length of stay was shorter in laparoscopic cases (7, 4-14 days) vs. open cases (8, 6-17 days), P = 0.02. For diverted patients, the median length of stay was reduced by two days in laparoscopic cases (6, 4-14 days) vs. open cases (8, 6-17 days), P = 0.01. Complications occurred in 4 of 20 laparoscopic patients (3 obstruction/ileus and 1 pelvic abscess) and 5 of 20 open patients (2 obstruction and ileus, 1 each anastomotic leak and abscess, peptic ulceration, and episode of dehydration). CONCLUSIONS: Return of intestinal function and length of stay are reduced in the laparoscopic group compared with open group. A laparoscopic approach to restorative proctocolectomy has the potential of becoming an appealing alternative to conventional restorative proctocolectomy surgery.

Adenomatous Polyposis Coli↗

Prior pregnancy ameliorates the course of intra-abdominal desmoid tumors in patients with familial adenomatous polyposis.

PURPOSE: Intra-abdominal desmoid tumors occur in 12 percent of patients with familial adenomatous polyposis. A minority grow quickly and are lethal, most are relatively inert, and some cause problems by obstructing adjacent organs. Desmoid tumors may be estrogen-dependent, and estrogen-blocking drugs are part of the usual treatment of these tumors. This study was performed to examine the effect of pregnancy on the course of patients with familial adenomatous polyposis and intra-abdominal desmoids. METHODS: All females with familial adenomatous polyposis and an intra-abdominal desmoid treated or followed up at this institution were eligible. Stable, asymptomatic desmoids were followed up yearly with examination and CT scan. Growing or symptomatic desmoids were followed up at least every six months. Maximum tumor size was grouped as follows: <10 cm, 10 to 20 cm, and >20 cm. A change in tumor size was defined as a change of +/-50 percent or more of maximum diameter. Stable tumors showed no change in diameter during the study period; variable growth was defined as a significant change in either direction that was followed by a return to previous dimensions or a stabilization of growth. Rapid growth was a doubling of diameter within three months. Pregnant females were compared with nonpregnant females. Subgroups of females were matched for age at diagnosis of desmoid. RESULTS: Twenty-two females had never been pregnant, whereas 25 had been pregnant at least once. Eleven pairs were matched for age. There were no differences between groups in the incidence of extracolonic manifestations of familial adenomatous polyposis, family history of desmoids, number or type of surgeries done for familial adenomatous polyposis, length of follow-up, or time from surgery to desmoid diagnosis. Desmoids in pregnant females had a significantly more benign course: 18 were stable (vs. 6 nonpregnant females), 2 had variable growth (vs. 10), 1 had rapid growth (vs. 5), and 4 disappeared (vs. 1). There were also trends to smaller, less symptomatic tumors requiring treatment less often in pregnant females. CONCLUSIONS: Pregnancy seems to ameliorate the course of abdominal desmoid tumors significantly in females with familial adenomatous polyposis. This finding raises questions about the most appropriate hormonal treatment for these tumors. Perhaps progesterone or prolactin therapy should be tried, alone or in combination with estrogen. If further studies confirm these findings, females with a family history of desmoid tumors should not be advised against pregnancy.

Adenomatous Polyposis Coli↗

Fecal Incontinence Quality of Life Scale: quality of life instrument for patients with fecal incontinence.

PURPOSE: This goal of this research was to develop and evaluate the psychometrics of a health-related quality of life scale developed to address issues related specifically to fecal incontinence, the Fecal Incontinence Quality of Life Scale. METHODS: The Fecal Incontinence Quality of Life Scale is composed of a total of 29 items; these items form four scales: Lifestyle (10 items), Coping/Behavior (9 items), Depression/Self-Perception (7 items), and Embarrassment (3 items). RESULTS: Psychometric evaluation of these scales demonstrates that they are both reliable and valid. Each of the scales demonstrate stability over time (test/retest reliability) and have acceptable internal reliability (Cronbach alpha >0.70). Validity was assessed using discriminate and convergent techniques. Each of the four scales of the Fecal Incontinence Quality of Life Scale was capable of discriminating between patients with fecal incontinence and patients with other gastrointestinal problems. To evaluate convergent validity, the correlation of the scales in the Fecal Incontinence Quality of Life Scale with selected subscales in the SF-36 was analyzed. The scales in the Fecal Incontinence Quality of Life Scale demonstrated significant correlations with the subscales in the SF-36. CONCLUSIONS: The psychometric evaluation of the Fecal Incontinence Quality of Life Scale showed that this fecal incontinence-specific quality of life measure produces both reliable and valid measurement.

Adaptation, Psychological↗

Men tend to be neoplasia prone and women neoplasia resistant.

BACKGROUND: Patients with a colorectal neoplasm are at risk for metachronous neoplasia. This risk usually is stratified according to the number, size, and histology of the index lesion(s). This study was performed to search for factors contributing not only to a very high risk of metachronous lesions but also to a very low risk. METHODS: An extensive neoplasia follow-up database was used to identify patients who were neoplasia prone and neoplasia resistant. Groups were defined as having consecutive colonoscopies that were either all positive or all negative for adenoma(s). Subgroups with two, three, and four consecutive positive or negative examinations were formed, then analyzed for gender, number of index neoplasms, and family history. Patients with familial adenomatous polyposis or with families fulfilling the Amsterdam criteria for hereditary nonpolyposis colorectal cancer were excluded. RESULTS: The database showed 702 patients who had two follow-up examinations, 103 of which were neoplasia prone and 245 neoplasia resistant. After three consecutive examinations (420 patients), the numbers were 51, and 87, respectively, and after four examinations (231 patients), they were 26 and 34. As the groups became better defined, the proportion of women in the neoplasia-resistant group and the proportion of men in the neoplasia-prone group increased. When gender and number of index lesions were combined, groups were most definitively characterized. Incidence of a positive family history of colorectal cancer was not different between the groups. As the number of follow-up examinations increased, the number of large polyps found decreased. CONCLUSIONS: Groups of patients particularly liable to develop colorectal neoplasia or particularly resistant to it can be identified. Female gender and a single-index lesion favor neoplasia resistance, whereas male gender and multiple-index lesions favor a predisposition for neoplasia.

Adenoma↗

Sulindac sulfone induced regression of rectal polyps in patients with familial adenomatous polyposis.

Sulindac sulfone (Exisulind), a metabolite of the non-steroidal anti-inflammatory drug, sulindac, was evalauted for its effects on the development of rectal polyps in patients with familial adenomatous polyposis. Three cohorts of 6 patients each were given doses of 200, 300, or 400 mg Exisulind twice daily. Hepatotoxicity, shown by elevation in blood transaminase levels, was the dose-limiting toxicity and occurred at the 400 mg bid dose. Due to this toxicity, all patients treated with the 400 mg dose were subsequently reduced to the 200 mg dose level. Subsequently, 2 of the 6 patients were dose-escalated to 400 mg bid dose. The patients were treated with Exisulind for a period of six months. Sixteen of 18 patients had regression of small polyps (> or = 6 mm in diameter) characterized by a flattening of the polyps and a macular "halo" appearance. Histopathologic examination of the polyp biopsy specimens showed a marked increase in the proportion of mucin producing cells in the glands after treatment with Exisulind at all dose levels. Ki-67 staining, a measure of cell proliferation, was higher in the polyps than in normal mucosa. There was no significant change in the proliferation index between baseline and six month values in any of the groups treated with Exisulind or in normal tissues. The median apoptotic labeling index, as determined by the TUNEL technique, was higher in the polyps than in normal-appearing mucosa. Overall, there was no significant change in the apoptotic labeling index between base-line and 6 months in normal-appearing mucosa however, the index in polyps was increased. These results suggest that treatment of FAP patients with Exisulind for a period of six months may lead to regression of small polyps, and that the mechanisms of Exisulind--induced regression appear to be through stimulation of mucus differentiation and apoptosis in glandular epithelium.

Adenomatous Polyposis Coli↗

Patient and surgeon ranking of the severity of symptoms associated with fecal incontinence: the fecal incontinence severity index.

PURPOSE: The purpose of this research was to develop and evaluate a severity rating score for fecal incontinence, the Fecal Incontinence Severity Index. METHODS: The Fecal Incontinence Severity Index is based on a type x frequency matrix. The matrix includes four types of leakage commonly found in the fecal incontinent population: gas, mucus, and liquid and solid stool and five frequencies: one to three times per month, once per week, twice per week, once per day, and twice per day. The Fecal Incontinence Severity Index was developed using both colon and rectal surgeons and patient input for the specification of the weighting scores. RESULTS: Surgeons and patients had very similar weightings for each of the type x frequency combinations; significant differences occurred for only 3 of the 20 different weights. The Fecal Incontinence Severity Index score of a group of patients with fecal incontinence (N = 118) demonstrated significant correlations with three of the four scales found in a fecal incontinence quality-of-life scale. CONCLUSIONS: Evaluation of the Fecal Incontinence Severity Index indicates that the index is a tool that can be used to assess severity of fecal incontinence. Overall, patient and surgeon ratings of severity are similar, with minor differences associated with the accidental loss of solid stool.

Adaptation, Psychological↗

Familial adenomatous polyposis: efficacy of endoscopic and surgical treatment for advanced duodenal adenomas.

INTRODUCTION: Duodenal and periampullary cancer is the most common cause of cancer death in patients with familial adenomatous polyposis who have undergone colectomy. Endoscopic surveillance of upper gastrointestinal adenomas is recommended for patients with familial adenomatous polyposis but the timing and appropriate treatment of neoplasms is unknown. The purpose of this experiment was to report our experience with endoscopic and surgical treatment of advanced duodenal adenomas in patients with familial adenomatous polyposis. METHODS: The records of all patients with familial adenomatous polyposis who had undergone surgical or endoscopic treatment for duodenal adenomas were identified. Data including endoscopic surveillance findings, type of intervention, pathology, and follow-up of the lesions were reviewed. RESULTS: Ten neoplasms >1 cm were treated in eight patients (mean age at the time of diagnosis was 49 years). Nine lesions were histologically advanced. Five lesions involved the papilla. Endoscopic treatment was performed for six lesions. Four lesions recurred, and three were then treated surgically. Local resection was performed for five lesions. Four lesions recurred and two had further operative intervention. Pancreas-sparing duodenectomy was performed in three patients. At a mean follow-up period of 45.7 months, there has been no recurrence. CONCLUSIONS: Endoscopic eradication is an appropriate initial treatment for histologically advanced, noncancerous neoplasms or for patients who are not surgical candidates. Pancreas-sparing duodenectomy may be the treatment of choice for patients with carcinoma and those who have failed endoscopic therapy.

Adenoma↗

Postoperative anal canal length predicts outcome in patients having sphincter repair for fecal incontinence.

PURPOSE: Controversy exists in regard to the prognostic value of clinical data and physiological tests in patients undergoing sphincter repair for fecal incontinence. The aim of this study was to identify prognostic factors. METHODS: Between 1986 and 1996, 405 consecutive patients had a sphincter repair for fecal incontinence. Preoperative and postoperative manometric data were available on 51 of these patients, and these patients' charts were reviewed retrospectively. Preoperative and postoperative continence was scored using the four-level scale of Browning and Parks. Mean follow-up was 16.2 (median, 6; range, 1-96) months. Mean age was 41 (median, 36; range, 21-80) years, and 46 (90 percent) patients were female. RESULTS: Twenty-three (45 percent) patients had perfect continence postoperatively, whereas 41 (80 percent) patients demonstrated improvement in continence score after sphincter repair. Using univariate analysis, various clinical and anal physiologic data were analyzed for an association with postoperative continence score. Postoperative mean resting pressure and postoperative anal canal length were both significantly related to postoperative continence (r(s)B for Spearman correlation coefficient to differentiate from r for the Pearson coefficient. = 0.442; P = 0.0012; and r(s) = 0.440; P = 0.0012, respectively), whereas postoperative mean squeeze pressure was not (r(s) = 0.273; P = 0.0529). Postoperative mean resting pressure and anal canal length were entered into a logistic regression model. Postoperative mean resting pressure was not significant (P = 0.6643), and when it was dropped from the model, postoperative anal canal length was highly significant (estimated odds ratio, 3.2; 95 percent confidence interval, 1.1-9.3; P = 0.0047) in predicting postoperative continence. CONCLUSIONS: No preoperative data predicted functional outcome, and in contrast to other studies, postoperative anal canal length provides the best prediction of postoperative continence.

Adult↗