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Clinical applications of radiofrequency in proctology: a review.

The radiofrequency scalpel is an innovative instrument which allows to cut and coagulate tissues in an atraumatic manner, conversely to the electric scalpel. The authors describe the use of radiofrequencies in proctology by making a literature review for every major proctologic disease (hemorrhoids, anal fistulas, anal fissure, sinus pilonidalis, hypertrophied anal papillae). Many techniques have been developed with radiofrequencies in hemorrhoids treatment: coagulation, ablation with plication, Milligan Morgan and Parks hemorrhoidectomy. In the treatment of anal fissures, radiofrequency subcutaneous lateral internal sphincterotomy has been described. For anal fistulas, both radiofrequency fistulotomy and fistulectomy. Finally, radiofrequency sinotomy for sinus pilonidalis and coagulation for hypertrophied anal papillae are present in literature. The analysis of the results obtained with radiofrequency surgery compared with those of the "classic" surgery for proctologic disease shows that in most of them radiosurgery facilitates, accelerates and improves the surgical procedure.

Catheter Ablation↗

Cytomegalovirus disease with atypical presentation in a renal transplant patient: case report.

Infection is a major problem after kidney transplantation. Cytomegalovirus (CMV) is the most common viral infection affecting transplant patients. This report presents a rare clinical manifestation of CMV in the form of a hemorrhoid in a 58-year-old woman. One week after undergoing an external hemorrhoidectomy, the patient presented with fever, leukopenia, and thrombocytopenia. Pathological analysis showed CMV in the hemorrhoidal tissue, which was confirmed via a positive PP65 antigenemia assay. Therapy with ganciclovir (250 mg IV b.i.d. for 2 weeks) was started. The patient's response to treatment was good, and she has been doing well since that time. Her plasma creatinine level 2 years later was 79.2 micromol/L (normal range, 53-106 micromol/L). Physicians must always be aware of the hazards of CMV in immunocompromised patients with typical, and even with atypical, presentations. Taking into consideration the statement, "prophylaxis precedes treatment," nephrologists must try to detect CMV in their patients (especially during the first 6 months after transplantation) prior to the appearance of any clinical manifestations. If CMV is detected, pre-emptive therapy with ganciclovir should be started.

Cytomegalovirus↗

Post hemorrhoidectomy pain. A randomized controlled trial.

OBJECTIVE: To compare the effect of metronidazole on post conventional hemorrhoidectomy pain in patients with third and fourth degree hemorrhoids. METHODS: Two hundred consecutive patients admitted in King Fahad Hospital, Hofuf, Saudi Arabia between June 2002 and May 2004 for surgical treatment of 3rd and 4th degree hemorrhoids were randomly assigned into 2 groups. In Group 1 (100 patients) pre and postoperative metronidazole was used and in Group 2 (100 patients) no medications were given. All patients received castor oil from 2 days before surgery and lactulose after surgery for 2 weeks. Patients were discharged home when free of pain. RESULTS: Patients in group 1 had significantly less pain than those in the second group. Hospital stay and time to first bowel motion were not significantly different between both groups and, early and late complications appear similar. Return to normal activity was significantly shorter in the metronidazole group. CONCLUSION: Prophylactic metronidazole in Milligan-Morgan hemorrhoidectomy is associated with less pain and earlier return to normal activity.

Adult↗

A literary review of Arśas (haemorrhoids).

The disease Arśas (hemorrhoids), an ano-rectal disorder is as old as mankind. Suśrta farther of surgery described the Arśas under heading of 'Mahagadas' (eight major diseases). Due to inconsistency of human diet and social obligations, a large proportion of the population is suffering from hemorrhoids. As per Ayurveda, the etiological factors are broadly classified as Sămănya (Non-specific) and Viśĕsa (Specific). Viśĕsa again sub divided in to Sahaja and Janmottara. Suśrta classified this disease on the basis of clinical manifestations in to six types, where as Caraka and Văgbhata classified in to two according to discharging nature and causative factors respectively.

Hemorrhoids↗

Percutaneous transjugular portosystemic shunt.

OBJECTIVE: --To determine the effectiveness of the Palmaz balloon expandable stent for the creation of a transjugular intrahepatic portosystemic shunt. The device is designed to achieve portal decompression in patients with variceal hemorrhage secondary to portal hypertension. DESIGN: --Transjugular intrahepatic portosystemic shunting was performed in eight patients during a 9-month period. Mean follow-up was 5 months. PATIENTS: --All patients had cirrhosis with portal hypertension and varices. Bleeding occurred in seven patients from esophageal varices and in one patient from hemorrhoids. MAIN OUTCOME MEASURES: --Shunt patency and recurrent variceal hemorrhage. RESULTS: --Shunts created from a transjugular approach between a hepatic and a portal vein (diameters of 8 to 12 mm) lowered the average portosystemic pressure gradient from 36 to 11 mm Hg. Mean postoperative hospital stay was 7.7 days. Complete variceal decompression after transjugular intrahepatic portosystemic shunt placement was identified endoscopically in all eight patients. The patient treated for hemorrhoids rebled and was treated successfully by transfemoral balloon expansion of the shunt diameter from 8 to 12 mm. All shunts were patent at 1 to 9 months (mean, 5 months) of follow-up. CONCLUSION: --Initial results suggest that transjugular intrahepatic portosystemic shunt is a safe and effective method of portal decompression for the treatment of variceal hemorrhage.

Angioplasty, Balloon↗

[Pathogenetic treatment of chronic paraproctitis].

Operations were performed on 865 patients for pararectal fistulas. The fistulas occurred after injury in 18 patients, histological examination revealed fistulous form of Crohn's disease in 14 patients, 12 patients had tuberculous paraproctitis. The late-term results of surgical treatment of chronic paraproctitis were studied in 560 patients according to the presence of concomitant hemorrhoids. One-stage excision of the fistula and hemorrhoidectomy was conducted in 329 patients. The fistula recurred in 1.3% of cases. Hemorrhoidectomy was not undertaken in 231 patients; a recurrence of fistula occurred in 6.1%. Therefore, to prevent recurrences of pararectal fistulas existing hemorrhoids must also be removed.

Chronic Disease↗

[Radical reconstructive hemorrhoidectomy. Apropos of a new technic].

On the basis of personal experience of the surgical treatment of hemorrhoidal lesions of the third stage, the Authors describe a new technique for radical hemorrhoidectomy. Sixty-one patients (67% males and 33% females) affected by hemorrhoidal lesions of the third (96%) and second (2%) stage were treated using this method at the INRCA Surgical Centre in Ancona. 19% of patients also suffered from chronic anal fissure which were treated by internal lateral sphincterotomy. No major complications were observed, although minimum postoperative bleeding (17%) and a congestive edematous suffusion (20%) were observed, as was the partial leakage of the mucous-cutaneous suture in 7% of cases. The follow-up after 24 months of 50 patients revealed only one relapse (2%) and persistent soiling for approximately 90 days in 22% of cases.

Female↗

Limitations of combined flexible sigmoidoscopy and double contrast barium enema in patients with rectal bleeding.

Eighty-seven outpatients with non-massive rectal bleeding or asymptomatic positive fecal occult blood were evaluated with 35 cm flexible sigmoidoscopy, double contrast barium enema (DBCE) and colonoscopy. 82% had hemorrhoids and 35% harbored colorectal neoplasia. The combination of flexible sigmoidoscopy and DCBE missed none of 7 malignant lesions. However, 36% of benign polyps greater than or equal to 1 cm and 60.25% of those less than 1 cm were not detected by this combination. The presence of hemorrhoids should not prevent a search for colon neoplasia and colonoscopy is the preferred method.

Adult↗

Total circular hemorrhoidectomy.

For the surgical treatment of hemorrhoids, the Whitehead-operation is considered bad because it leads to complications like anal stenosis, incontinence and mucous ectropion or prolapsus. Modifications suggested by A. Toupet help to avoid these inconveniencies. But it still requires excellent understanding and training in ano-rectal surgery. The Whitehead-operation, modified by A. Toupet, is indicated in the following cases total hemorrhoidal prolapsus, especially with thrombosis and mucous prolapsus.

Adult↗

[Results of a study of the resorption of bufexamac following rectal administration].

12 patients suffering from hemorrhoidal complaints were treated with hemorrhoidal suppositories containing Proctoparf-bufexamac. Using the HPCL method, we measured the concentrations of bufexamac in the serum after 30, 45 and 60 minutes as well as after 2, 3, 6, 7.5 and 20 hours. Neither bufexamac nor its major metabolite (4-butoxyphenyl acetic acid) could be detected in concentrations above 0.2 micrograms/ml and 0.5 micrograms/ml, respectively. These results prove that the application of Proctoparf suppositories is not associated with any significant systemic absorption of bufexamac.

Bufexamac↗

[Intravascular vegetating hemangioendothelioma].

In 1928, P. Masson described in hemorrhoids a peculiar lesions which he called "intravascular vegetating hemangioendothelioma". The possibility of cutaneous location of this lesion was demonstrated only in 1967. Rare if isolated, the intravascular vegetating hemangioendothelioma is often associated with other vascular lesions such as polyps, hemorrhoids, etc. Always benign, this tumor may be misdiagnosed as an angiosarcoma by inexperienced pathologists. In this article, three additional cases are described, the histological differences with an angiosarcoma are stressed and the pathogenesis of this lesion is discussed.

Adult↗

[A method for differentiation between the participation of the smooth and the cross-striated anal sphincter muscles in resting tonus].

By means of simultaneous recordings of the external anal sphincter EMG activity and the anal resting pressure with at least ten voluntary sphincter contractions, it is possible to estimate by correlation calculation the resting pressure exerted by the internal anal sphincter. The value of the method had been proved by comparing investigations in conscious and curarized patients under general anesthesia. In patients with hemorrhoids and chronic constipation, the amount of internal pressure found in the resting tonus (91% in hemorrhoids, 55% in chronic constipation) was significantly different when compared with a health group. The comparison of only the resting pressure did not show a significant difference.

Anal Canal↗

[Death to Whitehead, hurray for Toupet! or total circular hemorrhoidectomy revisited. Its technique, their indications and their results].

For surgical excision of hemorrhoids, the Whitehead procedure is considered a poor technique responsible for anal stenosis, anal incontinence, prolapse, and mucous ectropion. However, with the modifications suggested by André Toupet, these complications do not occur. The Whitehead procedure as modified by A. Toupet requires considerable experience in anorectal surgery. Indications include total hemorrhoid prolapse, in particular with thrombosis, and mucous prolapse.

Adult↗

[Practical proctology (author's transl)].

Hemorrhoidal complaints are the most frequent diseases of the rectal region and form the starting point for practically all other diseases of the rectal area. Acute bleeding often first brings the patient to the doctor, who must establish the source of the hemorrhage with all diagnostic means available. Further stages of the disease are temporary or complete prolapse of the hemorrhoids, under certain circumstances even prolapse of the rectum. Anal cryptitis is the first member of a chain of inflammatory sequelae such as perianal abscess and fistular diseases. It is frequently overlooked, yet in the early stages it could easily be cut short by suitable measures. Proctology has a responsible task to fulfill in the early recognition of diseases of the rectum and malignant tumors of the colon.

Anus Neoplasms↗

[Hemorrhoidectomy: conventional or by Nd:Yag contact laser? A prospective and randomized study].

OBJECTIVE: To assess whether hemorrhoidectomy done with the Nd:YAG laser was associated with less pain or fewer complications and sequels than with conventional surgery. DESIGN: A prospective comparative, randomized study. PATIENTS: Over a period of six months, a total of 35 consecutive patients, 13 females and 22 males, with symptomatic hemorrhoidal disease requiring surgery, were alternatively randomized to either laser hemorrhoidectomy (17 patients) or surgery (18 patients). The type of disease and the number of affected and treated hemorrhoids were prospectively recorded in each patient. Patients were monitored prospectively for postoperative complications, pain (assessed daily for five days using a standard 10 mm. linear analogue scale), wound healing, time until full recovery and sequelae 6 moths later. RESULTS: These two groups were well matched. No differences were seen between laser and non-laser groups for postoperative complications. Linear analogue pain scores were not significantly different between the two groups at any stage after operation. Healing time was longer in laser group. Two few patients returned at 6 months for rectoscopy for any meaningful conclusion to be drawn. CONCLUSIONS: This study has failed to confirm any reduction in postoperative pain, complications, or healing time laser when performing a hemorrhoidectomy.

Adult↗

[Late results after individualized lateral internal sphincterotomy].

A total of 75 patients underwent individualized lateral internal sphincterotomy for acute and chronic anal fissure (n = 30) or high pressure hemorrhoids (n = 45) and were followed-up 3 months and 3 years (13-66 months) postoperatively. All but one patient with anal fissure (97%) and 38 out of 45 patients with hemorrhoids (84%) remained symptom free; only one patient (1.3%) occasionally had symptoms of minor incontinence. Following the operation both the maximum resting pressure and the medium anal pressure fell significantly and were completely or nearly normalized in 54 (72%) and 17 (23%) patients respectively. At medium follow-up of 3 months and 3 years postoperatively there was no significant difference in the two sets of postoperative manometric results.

Adult↗

Alterations of creatine kinase isoenzymes in colon washings from patients with colonic and rectal diseases.

Mucus samples obtained from 61 patients with different types of colon and rectal disease were assayed for CK isoenzyme fractionation. Twelve additional patients without evidence of such diseases were used as reference subjects. The diseases surveyed were hemorrhoids, proctocolitis, polyps, and cancer of the colon and rectum. The CK BB fraction was predominant in the mucus of the reference subjects and in mild cases of hemorrhoids and polyps. With inflammation of degeneration of the colonic mucosa, the present CK BB decreased and the percent of CK MM increased. It is speculated that the increased CK MM possibly derives from increased permeability of degeneration of the colonic wall, permitting plasma CK MM to admix with the mucus. Mucin CK isoenzyme fractionation may be useful in assessing the pathogenesis of colonic and rectal diseases, as a marker to monitor the efficacy of the therapeutic regimen, and as a technique for monitoring conversion of a premalignant process into a malignant one.

Clinical Enzyme Tests↗

Carcinoma of the anal canal.

J.W. is a 68-year-old white female who noted an "anal growth" 1 year prior to admission. She also complained of bleeding from her rectum when she was constipated. She attributed these symptoms to hemorrhoids. She noted increasing pain and more bleeding 1 month prior to admission. Locally applied hemorrhoid remedies gave her no relief. She was then admitted to a hospital where a biopsy of the anal mass was performed, and then referred to Rush-Presbyterian-St. Luke's Medical Center. On physical examination the patient was noted to be obese. There was no inguinal lymphadenopathy. There were no abdominal masses or hepatosplenomegaly. Rectal examination revealed a 3 X 4 cm mass protruding from the anus. Examination and protoscopy done under anesthesia revealed this mass to be approximately 4 X 5 cm and arising from the proximal anal canal. The mass was freely moveable and bled spontaneously when manipulated. Pelvic examination revealed a normal uterus and adnexa with no obvious tumor involvement of the vagina. Proctoscopic examination revealed no tumor proximal to the lesion described. Further evaluation included a liver-spleen scan that was negative for metastatic disease and intravenous pyelogram that showed no lesions. A barium enema revealed only diverticula. A gallium scan showed marked uptake at the area of the anal tumor but no other lesions. The chest x-ray was within normal limits. A CT scan of the abdomen and pelvis revealed no masses or lymphadenopathy. The CEA was 1.3 ng/ml. The patient underwent concomitant radiation therapy and chemotherapy. Over a 4-week period the patient received 5000 rads to the anal region. In addition, during the first week of radiation therapy and the fourth week of radiation therapy, the patient received 5-fluorouracil, 800 mg/m2 by continuous infusion for 5 days. In addition, the patient received mitomycin C, 15 mg/m2 on the first day of the first week of chemotherapy and the first day of the last week of chemotherapy. During the treatment period, the patient had mild diarrhea, perineal desquamation, and mild ulceration at the site of the anal tumor. During the third week of treatment, the patient had a white blood cell count nadir of 2800 and a platelet count of 86,000 per cubic millimeter. Her symptoms were managed with local emolients and antidiarrheal medications.(ABSTRACT TRUNCATED AT 400 WORDS)

Aged↗