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Biomedical subjects

T Eisenstat

Publications and source records attributed to T Eisenstat.

6 recordsLinked to original sources

Does sodium hyaluronate- and carboxymethylcellulose-based bioresorbable membrane (Seprafilm) decrease operative time for loop ileostomy closure?

BACKGROUND: Adhesions can result in serious clinical complications and make ileostomy closure, which is relatively simple procedure into a complicated and prolonged one. The use of sodium hyaluronate and carboxymethyl cellulose membrane (Seprafilm) was proven to significantly reduce the postoperative adhesions at the site of application. The aim of this study was to assess the incidence and severity of adhesions around a loop ileostomy and to analyze the length of time and morbidity for mobilization at the time of ileostomy closure with and without the use of Seprafilm. METHODS: Twenty-nine surgeons from 15 institutions participated in this multicenter prospective randomized study. 191 patients with loop ileostomy construction were randomly assigned to either receive Seprafilm under the midline incision and around the stoma (Group I), only under the midline incision (Group II), or not to receive Seprafilm (Group III). At ileostomy closure, adhesions were quantified and graded; operative morbidity was also measured. RESULTS: All 3 groups were comparable relative to gender, mean age and number of patients with prior operations (26, 25 and 19, respectively). Group II patients were significantly more likely to have pre-existing adhesions than Group III patients (30.6% vs. 14.1%, p = 0.025). At stoma mobilization, significantly more patients in Group III than in Group I had adhesions around the stoma (95.2% vs. 82.3%, p = 0.021). Mean operative times were 27, 25, and 28 minutes, respectively (p = 0.38), with significant differences among sites. There was no significant difference in the number of patients needing myotomy or enterotomy (29, 27 and 24 patients, respectively), nor in the number of postoperative complications (7, 9 and 7 patients, respectively). CONCLUSIONS: When consistently applied, Seprafilm significantly decreased adhesion formation around the stoma but not operative times without any increase in the need for myotomy or enterotomy. These findings were not seen in the overall study population possibly due to the large number of surgeons using a variety of application techniques.

Adjuvants, Immunologic↗

Treatment of hemorrhagic radiation proctitis with 4 percent formalin.

PURPOSE: The purpose of this study was to review our results in patients undergoing treatment with 4 percent formalin for radiation-induced injury to the rectum. METHODS: A retrospective review of office charts was performed, identifying all patients undergoing formalin treatment. Patient gender, initial malignancy, prior treatments, response to treatment with formalin, complications, and length of follow-up were reviewed. All patients had flexible endoscopy to assess for proximal sources of bleeding. The indication for treatment was a symptomatic patient with endoscopic evidence of radiation injury. A cotton pledget was used for direct application of 4 percent formalin to the affected area via a rigid proctoscope or anoscope. The treatment was repeated if blanching did not occur or if bleeding continued. Patients were followed up at three-week to four-week intervals and treatment was repeated based on the above indications. Treatments were continued until cessation of bleeding occurred or, when treatment failed, operative treatment was required. RESULTS: Thirty-six patients were identified. Three were lost to follow-up. Symptoms included bleeding in all but one patient, who presented with an ulcer. There were 33 (26 male) patients. Seventeen (51.5 percent) patients had prior treatment. The number of formalin treatments ranged from 1 to 13, with a mean of 3.4. The follow-up ranged from 1 to 60 months, with a mean of 18 months. Twenty-nine (88 percent) patients had improvement or cessation of symptoms. Four (12 percent) patients failed treatment. Two patients were noted to have full-thickness ulcers and both failed formalin treatment. No complications were noted related to formalin treatment. CONCLUSION: We conclude that formalin therapy is a safe and effective form of treatment that can be performed in the office with minimal discomfort and no complications. It can be performed multiple times until results are achieved. Formalin therapy may be useful as a first-line treatment for chronic radiation proctitis, however, a prospective controlled trial comparing modalities is required to prove this to be true.

Colonoscopy↗

Efficacy of an absorbable mesh in keeping the small bowel out of the human pelvis following surgery.

Patients with pelvic malignancies frequently require postoperative radiation therapy either as adjunctive or palliative treatment. Tumoricidal doses, however, are frequently associated with small-bowel damage. Animal experiments demonstrated tolerance to high-dose radiation therapy and protection from radiation enteritis by use of an absorbable polymer polyglycolic acid (PGA) that is used as an intestinal sling to elevate the small bowel away from the operated site. Sixty patients (42 with rectal carcinomas and 18 with gynecologic malignancies) underwent surgical treatment that included the intestinal sling procedure. Postoperative radiation was begun within three weeks following surgery and patients received a mean approximating 5500 rads in fractionated doses. A mean follow-up time of 28 months has not revealed a single case of radiation enteritis (by either contrast studies or physiologic studies) or PGA mesh-related complications. The authors believe that this surgical technique should be employed in patients who may require postoperative radiation treatment for pelvic malignancy.

Combined Modality Therapy↗

Management of cecal volvulus in debilitated patients.

We retrospectively evaluated ten cases of cecal volvulus. The average age of these patients was 57 years. Five patients were more more than 60 years old and three were over 70. All patients had significant delays in coming to the hospital, and all had concomitant medical problems that made them poor operative risks. Our data and data in the recent literature support a conservative approach in debilitated patients with acute cecal volvulus. We do not recommend resection of the cecum if it is viable at the time of operation. Resection remains the treatment of choice when gangrene is present, but primary ileotransverse colostomy is contraindicated in this population of patients.

Adolescent↗

The outpatient management of acute hemorrhoidal disease.

A procedure for the outpatient management of acute hemorrhoidal disease is presented. Treatment, using local anesthesia with hyaluronidase, is directed to (1) relieve pain, (2) decrease edema, (3) treat appropriately the internal hemorrhoidal disease, and (4) treat the external thrombosis if present. Adequate treatment of the acute disease will, in a significant proportion of patients, avoid further surgical intervention. Eperience with results of this modality of treatment in patients is presented.

Acute Disease↗