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PubMed1994

Constipation is not a risk factor for hemorrhoids: a case-control study of potential etiological agents.

OBJECTIVES: Constipation is widely believed to cause hemorrhoids. However, recent evidence questions the importance of constipation in the development of this common disorder. In the present study, the association of hemorrhoids with constipation and other potential risk factors was examined. METHODS: The analysis consisted of 325 consecutive patients who underwent proctoscopy at the Milwaukee VA Medical Center during 1989. Each participant was questioned regarding hemorrhoid symptoms, bowel habits, and associated medical conditions. At the time of proctoscopy, the presence or absence of hemorrhoids was recorded. RESULTS: Hemorrhoids were identified in 168 subjects; the remaining 157 served as controls. No significant association was observed between constipation and hemorrhoids. Increasing age, cirrhosis, and varicose veins likewise were not associated with hemorrhoids. In contrast, the subjective complaint of diarrhea [odds ratio 2.1; 95% confidence limits (CL) 1.2-3.7] and obesity (odds ratio 1.7; 95% CL 1.1-2.7) were significantly associated with the presence of hemorrhoids. CONCLUSION: The results of this analysis suggest that diarrhea but not constipation may represent a risk factor for the development of hemorrhoids.

Case-Control Studies↗
PubMed1986

Changing epidemiology, diagnosis, and treatment of Clostridium difficile toxin-associated colitis.

One hundred and ninety patients with Clostridium difficile toxin-associated colitis (CTAC) or pseudomembranous colitis (PMC) were identified, from microbiology records, disease index and proctoscopy service records, and studied retrospectively. CTAC was associated with cephalosporin antibiotic administration in 70 per cent of the patients. CTAC developed postoperatively in 108 patients after all types of surgery with no preponderance for abdominal surgery. Identification of cytotoxin in stool samples was the primary diagnostic test in 81 per cent of patients but cytotoxin was isolated in 98 per cent of all patients. Pseudomembranes visible on proctoscopy established the diagnosis in 19 per cent of patients and were more commonly seen in severe colitis (71 per cent) than in mild colitis (23 per cent). CTAC responded similarly to oral vancomycin and metronidazole with a relapse rate of 20-23 per cent, respectively. With its association with cephalosporin administration, CTAC is likely to occur with increasing frequency in surgical practice. Oral metronidazole is an effective, cheap, alternative to vancomycin therapy.

Adolescent↗
PubMed2000

Assessing disease extent in women with bulky or clinically evident metastatic cervical cancer: yield of pretreatment studies.

OBJECTIVE: The objective of this study was to determine the impact of pretreatment tests on staging and management for women with bulky or clinically evident metastatic cervical cancer. METHODS: Demographics and findings of clinic pelvic examination (PE), examination under anesthesia (EUA), chest x ray (CXR), abdominopelvic computed tomography (CT), and intravenous urography (IVU) were reviewed for women with primary, untreated cervical cancers either > or =4 cm or with extracervical disease apparent on PE or CXR evaluated between July 1, 1994, and March 31, 1999. Stage was assigned according to standards of the International Federation of Gynecology and Obstetrics. RESULTS: In 133 women studied, tumor diameter averaged 4. 9 cm on PE and 5.7 cm at EUA (P = 0.0005). Of 92 women undergoing both PE and EUA, 30 (33%) had size discrepancies of more than 1 cm. Compared with EUA, PE had sensitivity, specificity, and positive and negative predictive values, respectively, of 65, 89, 79, and 81% for vaginal disease, 74, 91, 95, and 63% for parametrial disease, and 57, 90, 60, and 89% for sidewall fixation. CXR was abnormal in 5 (4%). IVU showed ureteral dilation in 20 (22%) of 90 women, while CT showed dilation in 34 (28%) of 123 women. CT also showed pelvic lymphadenopathy in 22 (18%) women and paraaortic lymphadenopathy in 12 (10%). Bladder biopsies showed malignancy in 8 (8%), including one transitional cell carcinoma of the bladder. Proctoscopy failed to reveal metastatic cervical cancer. CONCLUSIONS: CXR and EUA with cystoscopy are important to the accurate staging and treatment of bulky or clinically metastatic cervical cancers, while proctoscopy is rarely useful. CT predicts ureteral obstruction well, and its greater information yield may justify its higher cost compared with IVU.

Adult↗
PubMed2001

Outcome of surgical intervention for rectoneovaginal fistulas in Mayer-Rokitansky-Kuester-Hauser syndrome.

Creation of a neovagina to treat vaginal atresia or aplasia in Mayer-Rokitansky-Kuester-Hauser syndrome must always be followed by long-term application of dilators to avoid shrinkage. However, rectoneovaginal fistulas are caused by chronic alteration and consecutive necrosis of the posterior neovaginal wall. We evaluated retrospectively the postoperative outcome of rectal wall and neovaginal reconstruction using a standardized surgical technique in an exclusive collection of women. Eight women with a mean age of 28 years (range 22-31 years) were treated for rectoneovaginal fistulas in our clinic. Preoperatively, proctoscopy, sphincter manometry, endoluminal rectal ultrasonography, and colonoscopy were performed; and regular postoperative follow-up by digital examination and rectoscopy were obligate. The standard surgical procedure via a perineal approach included fistulectomy and closure of the mucosa and rectal wall followed by a levatorplasty. All but one woman had a temporary colostomy. After 2 weeks the patients were allowed to wear vaginal dilators of a smaller size. Within the mean follow-up period of 20 months, reintervention was necessary twice because of late fistula relapse detected by proctoscopy, barium enema, and subjective symptoms. Morbidity was 25% (n = 2) due to secondary superficial wound healing or urinary tract infection. The average time of the hospital stay was 13 days (10-14 days). One patient complained of vaginal shrinkage and underwent local estrogen therapy with a good functional result 3 months later. Proper fistulectomy and surgical reconstruction with interpositioning of well perfused muscle layers achieved good functional outcome with an acceptable number of minor morbidities. Local estrogen treatment is helpful for avoiding scarification and decreasing the neovaginal size.

Adult↗
PubMed1997

Perioperative tumor localization for laparoscopic colorectal surgery.

BACKGROUND: Because of the inability to palpate colonic tumors during laparoscopy, their location must be precisely identified before resection is undertaken. METHOD: A retrospective study was performed of 58 patients in order to be able to describe our methods of tumor localization for laparoscopic colorectal operations and to review their effectiveness. RESULTS: In all patients, the entire colon was examined preoperatively by colonoscopy. In one patient, preoperative colonoscopic localization was inaccurate. In 31 patients, tumors were easily detectable at surgery. In five patients with the tumor in the right colon, even though the lesion was not detectable at surgery, right colectomy was performed without marking because preoperative colonoscopy reliably identified the lesion adjacent to the ileocecal valve. Twenty-two patients required some type of procedure to localize the tumor. The procedures and their problems were as follows: preoperative tattoo (five)--tattoo not visualized (one); intraoperative colonoscopy alone (six), combined with intraoperative tattoo (four) or clip (three)--poor operative exposure due to bowel distension (nine), hard to see the clip (three), dislodged clip (two), inadequate resection margin (one); intraoperative proctoscopy alone (two), combined with laparoscopic stitch (two)--no problems. In no patient was tumor present at a resection line and in no patient was the wrong segment resected. CONCLUSIONS: Reliable preoperative identification of the tumor adjacent to the ileocecal valve can permit right colectomy without marking. Lesions in the upper rectum can be approached via intraoperative proctoscopy +/- suture placement. If the surgeon anticipates intraoperative localization may be difficult, lesions other than rectal or cecal ones should probably be marked by preoperative tattooing. Further studies regarding the technique of tattooing are warranted.

Colonoscopy↗
PubMed1984

Management of rectal trauma.

A 9 year review of rectal trauma was conducted. Forty-seven patients had major rectal trauma requiring diversion. Twenty-seven percent of patients presented in shock. Routine perioperative antibiotics were administered. Ninety-five percent of patients had positive findings on digital rectal examination or proctoscopy. There were 91 associated injuries. Rectal injuries were repaired in 19 patients. The absence of repair had no influence on postoperative morbidity or length of hospital stay. Ninety-five percent of patients had presacral drainage. One patient had distal rectal irrigation. Both loop and divided colostomies were utilized with no difference in morbidity or hospital stay. There were no deaths. Proctoscopy is essential in patients with wounds in proximity to the rectum. Diversion and presacral drainage for rectal injury is associated with a low mortality and acceptable morbidity. Rectal washout does not appear to be essential in civilian rectal injuries.

Adolescent↗
PubMed2004

Restaging after neoadjuvant chemoradiotherapy for rectal adenocarcinoma: role of F18-FDG PET.

Multimodality treatment of loco-regional advanced rectal cancer has demonstrated to improve local control and overall survival. Proctoscopy, digital rectal examination (DRE), computer tomography (CT), endorectal ultrasound (ERUS), and magnetic resonance imaging (MRI) cannot correctly detect downstaging in rectal tumors after chemo radiation therapy (CRT). New imaging techniques, like 18F-FDG PET, may play some role in predicting the pathologic response to CRT before surgical resection. Aim of the present study was to further investigate the accuracy and predictive value of 18F-FDG PET in a large series of patients with rectal cancer treated with preoperative intensified CRT. Between January 2000 and December 2003, 81 patients with histologically proven adenocarcinoma in clinical stage II-III disease, according to criteria of TNM classification, were included in this study. All patients were submitted to diagnostic staging workup with DRE, proctoscopy with biopsy, ERUS, CT scan of the abdomen and pelvis or pelvic MRI plus liver ultrasonography, coloscopy or barium colonic enema. One month later the end of CRT all patients were submitted to diagnostic restaging work-up (DRW) and 18F-FDG PET. Surgery was performed 8-9 weeks after the end of CRT and pathologic stage was defined. Moreover a pathologic assessment of tumor regression was made with tumor regression grade score (TRG). PET correctly identified 22/28 (79% specificity) patients with complete pathologic response (pCR). However, sensitivity was 45% (24/53) while PPV, and NPV were equal to 77 and 43%, respectively. Total PET accuracy rate was 56%. PET sensitivity increased from 45 to 56% if the end-point was pCR, or TRG score, respectively. The best correlation was found between PET findings and pathologic stage (P <0.01) or TRG score (P <0.01). The accurate identification of rectal cancer patients with major pathological response after preoperative CRT further supports the necessity of designing prospective studies with new and more accurate was imaging technologies with the main object of offering conservative treatment in responder patients.

Adenocarcinoma↗
PubMed1999

Effects of very low dose daily, long-term aspirin therapy on gastric, duodenal, and rectal prostaglandin levels and on mucosal injury in healthy humans.

BACKGROUND & AIMS: The safety of low-dose daily aspirin therapy in the gastrointestinal tract is uncertain. Our objectives were to evaluate the long-term effects of very low daily aspirin doses in the gastrointestinal tract and effects on platelet-derived serum thromboxane levels in volunteers. METHODS: Subjects were randomized to receive 10 mg (n = 8), 81 mg (n = 11), or 325 mg (n = 10) aspirin daily for 3 months. Before administration of aspirin, all subjects underwent gastroduodenoscopy, and most underwent proctoscopy for assessment of mucosal injury and prostaglandin content. After 1.5 and 3 months, subjects again underwent gastroduodenoscopy and, at 3 months, another proctoscopy. RESULTS: Each aspirin dose (even 10 mg) significantly reduced gastric mucosal prostaglandin levels, to approximately 40% of the baseline value. All three doses also induced significant gastric injury, and 325 mg caused duodenal injury. Three subjects developed gastric ulcers, 1 while taking 10 mg/day of aspirin. Furthermore, aspirin at 81 mg/day and 325 mg/day (but not 10 mg/day) significantly reduced duodenal mucosal prostaglandin levels to approximately 40% of the baseline value. Only 325 mg of aspirin per day significantly reduced rectal mucosal prostaglandin levels to approximately 60% of the baseline value. Serum thromboxane levels were inhibited 62%, 90%, and 98% with 10, 81, and 325 mg of aspirin. CONCLUSIONS: The findings explain aspirin's predominant gastric toxicity and question the safety of even 10 mg of aspirin daily.

Adult↗
PubMed1981

Colonoscopy in ischemic colitis.

Fifteen patients with ischemia of the colon are presented. The majority showed a similar clinical presentation with hematochezia, abdominal pain, and diarrhea in an elderly patient population having associated disease. Colonoscopy was abnormal in all patients studied. Three endoscopic stages were recognized; (1) acute stage characterized by petechiae, pallor, and hyperemia; (2) subacute stage consisting of ulceration and exudation; and (3) chronic stage characterized by stricture, decrease in haustrations, and mucosal granularity. Conventional barium enemas were abnormal and suggested ischemic colitis in six of 15 patients. Rigid proctoscopy was normal or demonstrated nonspecific proctitis in 12 of 15 patients studied. Colonoscopic biopsies demonstrated superficial inflammatory changes in all patients. Thirteen patients had complete mucosal healing endoscopically in 2 weeks to 3 months with stricture developing in four patients. Because ischemic colitis is a distinct subtype of ischemic bowel disease most often limited to the superficial mucosa, colonoscopy is an alternative and usually safe modality in the diagnosis of this entity and proved more accurate that conventional x-ray and proctoscopy.

Aged↗
PubMed2004

Daflon for haemorrhoids: a prospective, multi-centre observational study.

BACKGROUND: Daflon, a phlebotropic agent, is of proven efficacy in the treatment of various venous disorders. Although it has been tried in the treatment of haemorrhoids, its efficacy in alleviating various haemorrhoidal symptoms has not been assessed properly. The aim of this study was to confirm the efficacy of Daflon in the treatment of haemorrhoidal symptoms. METHODS: Two hundred and sixty eight patients presenting with haemorrhoidal symptoms were recruited. This was a multicentre non-randomised observational study with no placebo arm. After establishing the extent of their symptoms and determining the position, size and degree of haemorrhoids by proctoscopy, all patients were started on Daflon, four tablets per day, in two divided doses for four weeks. Patients were seen weekly during the study period and carefully questioned as regard to symptoms, and a proctoscopy was carried out. RESULTS: There was a statistically significant improvement (p<0.001) in all haemorrhoidal symptoms (pain, heaviness, bleeding, pruritus and anal discharge) and in the proctoscopic appearance of the 'piles,' comparing baseline visit findings with the last visit four weeks after treatment with Daflon. CONCLUSIONS: Daflon has been shown to be effective in alleviating (variable degree) haemorrhoidal symptoms and improving the proctoscopic appearance of haemorrhoids. Therefore, it should be considered initially for patients presenting with haemorrhoidal symptoms. However, prospective randomised trials and longer follow-up are needed to confirm the findings of this study and delineate more precisely the role of Daflon in the management of haemorrhoidal disease

Adolescent↗
PubMed1975

The spectrum of colitis associated with lincomycin and clindamycin therapy.

Ten cases of protracted diarrheal illness after the oral administration of lincomycin or clindamycin in standard dosages were observed in previously healthy subjects. An abrupt onset of diarrhea, crampy abdominal pain, fever, and leukocytosis was observed one to 12 days after discontinuation of the drug. Proctoscopic examination revealed erythematous friable mucosa covered with small raised, yellowish-white plaques that were sometimes confluent. Barium contrast studies of the colon demonstrated irregular shaggy mucosa, ulcerations, cobblestone appearance, and thumb printing. Rectal bipsy showed acute inflammation with pseudomembranes with focal or superficial ulcerations. All patients had a protracted course but recovered with supportive management. Follow-up barium enemas and proctoscopy were done on all patients and were normal. A history of diarrhea, fever, and mucosal changes seen on proctoscopy in a patient who has recently received one of these antibiotics should raise the possibility of colitis associated with clindamycin and lincomycin therapy.

Adult↗
PubMed2006

Long-term results of surgically treated traumatic rectourethral fistulas.

OBJECTIVE: Rectourethral fistulas are uncommon, usually iatrogenic injuries that are demanding to treat. We present the challenging problems involving the treatment of rectourethral fistulas caused by war wounds. MATERIALS AND METHODS: In the period 1991-1996, during the war in Croatia and Bosnia, six patients with rectourethral fistulas caused by war injuries were operated in our institution by the same surgeon. All patients were young males with a mean age of 24.6 years. In all patients, double diversion (diversion colostomy and cystostomy) was performed at the time of the injury in military hospitals. In three patients, multiple unsuccessful operations were performed in other institutions to close rectourethral fistula. We found urethrocystography and proctoscopy as the most reliable diagnostic studies and performed them in all patients. In first three patients, we performed transanal repair with anterior rectal wall advancement flap. Because it failed in all three patients, we performed York-Mason trans-sphincteric approach and anterior rectal wall advancement flap after which rectourethral fistula closed in all patients. Because of the satisfactory results, we performed the same procedure in other three patients. RESULTS: In all patients rectourethral fistula healed 2 months after the operation. Closure of diverting colostomy was performed after urethrocystography and proctoscopy proved that the rectourethral fistula has healed. There were no operative deaths and no major complications. Urethral stenosis developed in one patient and was successfully managed by dilatation. CONCLUSION: We believe that York-Mason trans-sphincteric approach offers straightforward access through healthy tissues and good fistula visualization. Anterior rectal wall advancement flap can easily be performed and offer good chances for definitive closure of the rectourethral fistula.

Adult↗
PubMed1991

Budesonide enema in distal ulcerative colitis. A randomized dose-response trial with prednisolone enema as positive control. The Danish Budesonide Study Group.

The effect of budesonide, 1, 2, and 4 mg/100 ml in daily enemas, on active distal ulcerative colitis was compared with that of prednisolone disodium phosphate enemas, 25 mg/100 ml, in a multicentre, randomized, group-comparative trial. A total of 146 patients with active disease were treated for 2 weeks. Data from 139 were valid for statistical analyses. Bowel habits, proctoscopy findings, and histologic pictures were evaluated, and plasma cortisol was determined for measurement of influence on the hypothalamic-pituitary-adrenal axis. Clinical symptoms and proctoscopy findings improved within all treatment groups. The improvement of these effect variables tended to be less after treatment with the lowest dose of budesonide, 1 mg/100 ml, than after the other treatments. Plasma cortisol did not change in any of the budesonide groups, whereas a mean reduction of 30% (P = 0.07) was observed after prednisolone. It can be concluded that budesonide enemas of 2 mg/100 ml constitute an attractive alternative to prednisolone enemas for topical treatment of distal ulcerative colitis.

Administration, Topical↗
PubMed1975

Anal dilatation and haemorrhoidectomy. A prospective study.

The results of haemorrhoidectomy alone and anal dilatation alone for the treatment of 20 patients with second or third degree haemorrhoids were assessed prospectively over a 12-month period. After haemorrhoidectomy the symptoms of bleeding, lump, pruritus and discharge disappeared, and anal continence was maintained. Proctoscopy showed the occasional development of secondary piles high in the anal canal. Of those patients having an anal dilation alone, nearly half had symptoms and one had a mucus leak. Anal continence was unalttered in the remainder. Proctoscopy indicated the loss of anal venous engorgement.

Adult↗
PubMed2002

Perianal sinuses in neonates and infants.

OBJECTIVE: The aim of this study is to evaluate the etiology of perianal abscess or discharges in neonates and infants and some of them are perianal sinuses with blind inner end without connection to the anal canal, and some of these cases have a different histological pattern. Complete surgical excision and primary closure of their wounds can cure these patients. METHODS: Between January 1988 and December 2000, (81) neonates and infants (aged 2 weeks to 2 years) with perianal sinuses, fistula-in-ano abscess dealt in the Al-Zahrawi and Al-Khansa Teaching Hospitals, Mosul, Iraq, were studied. Fifty-one patients displayed an onset of symptoms during their first year of age, all cases had a gentle probing and proctoscopy under general anesthesia, and the discharge from abscess from the patients were sent for culture. Thirty patients with proper sinuses had excision of the sinus and primary closure; children with fistulae underwent fistulectomy; perianal abscesses drained. All the excised specimens were examined histopathologically. RESULTS: All children, except 3, were boys. Out of the 81 cases studied, 30 patients (37%) proved to have proper sinuses with blind inner end. Eight of these showed a different histological pattern, and in 2 cases, the histopathology was that of rectal duplication, the microbiology of the discharge from the proper sinuses was showing a predominance of non-gut derived organisms. All patients cured by excision of the sinuses and primary closure. CONCLUSION: Fistulae are the most common perianal discharging lesions in neonates and infants, blind sinuses are another cause in a considerable number. We propose a diagnostic strategy and treatment for those children presenting with discharging perianal lesions; for anticipation of these sinuses 3 points need to be considered before attempting surgery. 1) Blind sinus tract on gentle probing. 2) Normal anal and rectal mucosa on proctoscopy. 3) High bacterial yield of non-gut derived organisms on culture of the pus or discharge. Their treatment is by simple excision (coring) and primary closure; this method will shorten the healing and recovery time.

Abscess↗
PubMed2004

Anal complaints in Nigerians attending Olabisi Onabanjo University Teaching Hospital (OOUTH), Sagamu.

The objective of this study was to determine prospectively the prevalence of anal complaints amongst Nigerians attending the General Out-patient Department (GOPD) of the hospital and review the records of those admitted to the surgical service with related complications. All the 272 patients attending the GOPD of OOUTH in November, 1999 were interviewed using a structured questionnaire. Information concerning age, sex, educational status, present or past history of at least one of the following symptoms viz recurrent bleeding per rectum, anal prolapse, anal/perianal pain, pruritus ani and anal discharge were obtained. Also obtained were reason(s) for current hospital attendance and any previous medical consultation. Those with at least one of the symptoms were classified as symptomatic. The symptomatic group had rectal examination including proctoscopy. The results showed that 82/272 (30.15% ) were symptomatic. Rectal examination on these 82 patients showed that 10(3.7% of 272) had haemorrhoids, 2(0.7% ) had rectal prolapse, 0.7% had peri-anal warts; 15(5.5% ) anal tags, 10(3.7% ) chronic anal fissure, 2 (0.7% ) perianal fistulae. In 29(10.4% ), the examination was normal and in 12 the rectum was too loaded with feaces to permit proctoscopy. However, only 5/272 (1.84% ) attended the clinic for the anal complaint, while 12(4.4% ) had previously consulted a physician for same. Fear of impotence following surgery in 24 males and belief in herbal remedies in 32 patients were the main reasons for not consulting a physician. During the year 1999, out of a total of 558 admissions into our surgical service, only 4(0.6% ) were for complications related to anal complaints. This study indicated the prevalence of anal complaints in the study population of Nigerians as 30.15% , haemorrhoids constitute 3.7% and anal fissure 3.7% , contrary to low rates reported for developing countries. While this result cannot be extended to represent prevalence amongst Nigerians, it may be a pointer to what is to be expected.

Adolescent↗
PubMed1982

Indication for, and valuation of computed tomography following anterior resection of the rectum.

During a controlled study, 55 patients who had an anterior resection of the rectum were thoroughly examined, including by computed tomography. The results verified the following statements: 1. The use of CT as a screening-method for early detection of local tumour recurrence following anterior resection of the rectum appears not to be justified. 2. CT is indicated: a) if there is a laboratory or clinical suspicion of recurrence, despite normal findings on proctoscopy; b) to clarify the question of extramural extension if recurrence has been established by proctoscopy. 3. Following anterior resection of the rectum, CT normally demonstrates no remarkable development of scar tissue, unless the anastomosis is inadequate. 4. Following anterior rectal resection every indefinable tissue thickening in the pelvis must be considered a possible tumour recurrence and must be further investigated by needle biopsy.

Carcinoma↗
PubMed1982

Clinical re-staging in cervicocarcinoma after clinico-instrumental staging.

A review of 193 cases of invasive carcinoma of the cervix was undertaken to determine the efficacy of the procedures used in the staging of this disease. All patients underwent pretreatment chest, pelvis, and spine radiographies, intravenous pyelogram, cystoscopy and proctoscopy. Bone scanning was performed too. These patients were retrospectively staged according to findings of the physical examination only. Each additional examination was then evaluated comparing its results with the initial staging. The column Xray did never change the stage; the other radiologic examinations changed the staging as follows: chest Xray 0.5%, pelvis 1%, intravenous pyelogram 2%. Cystoscopy and proctoscopy changed the clinical stage in 5.1% and 2.5% of the cases, respectively. Bone scanning in 1.5%. A review of 54 selected cases was undertaken to determine the presence of positive nodes in patients with carcinomas at stages I and II. In 16 cases of cervicocarcinoma the hystologic examination showed positive pelvic lymph-nodes. The AA, recommend all the reviewed procedures in the staging of carcinoma of the cervix in initial stages too.

Carcinoma↗