References: Laxative
J Gastrointest Surg. 2003 Sep-Oct;7(6):809-13.
Stapled hemorrhoidectomy: initial experience of a Latin American group.
Habr-Gama A, e Sous AH Jr, Rovelo JM, Souza JV, Benicio F, Regadas FS, Wainstein C, da Cunha TM, Marques CF, Bonardi R, Ramos JR, Pandini LC, Kiss D.
Department of Gastroenterology, University of Sao Paulo Medical School, Sao Paulo, Brazil.
The purpose of the present study was to determine the value of circular hemorrhoidectomy (procedure for prolapse and hemorrhoids [PPH]) on the basis of data collected prospectively during the initial experience of a group of Latin American surgeons. Between 2000 and 2001, PPH was performed using a circular stapler in 177 patients who had third- and fourth-degree hemorrhoidal disease. The average age of the patients was 47.7 years (range 26 to 85 years). Anal bleeding was the most common preoperative complaint (93.2%) followed by anal pain (60.2%), anal itching (43%), and constipation (41%). Hemorrhoids were classified as third degree in 132 patients (74%) and fourth degree in 45 patients (25.4%). Skin tags were detected in 86 patients (48.8%) and rectocele in 14 patients (7.9%). Data collected included patient demographics, type of anesthesia, and specific details of the surgery such as duration of the operation, distance from the staple line to the dentate line, need for complementary hemostasis, and any unexpected occurrences. Postoperative data collected included the degree of pain, which was evaluated on the basis of the type and dosage of analgesics required, laxative consumption, and the presence of bleeding, fever, urinary retention, or hematomas. Each patient completed a written questionnaire addressing these events. Patients returned for follow-up visits on days 7, 15, 30, and 90. Responses to pain, bleeding, fever, anal continence, recurrence of hemorrhoids, and level of satisfaction were compiled. The duration of the procedure ranged from 6 minutes to 2 hours (average 23 minutes), and most operations lasted no more than 20 minutes, w
J Urol. 2003 Oct;170(4 Pt 2):1518-20.
Polyethylene glycol 3350 for constipation in children with dysfunctional elimination.
Erickson BA, Austin JC, Cooper CS, Boyt MA.
Division of Pediatric Urology, Children's Hospital of Iowa, Iowa City, USA.
PURPOSE: Children with daytime wetting often have constipation, and treatment of constipation helps children become dry. Polyethylene glycol 3350 (Miralax, Braintree Laboratories, Braintree, Massachusetts) is a nonaddictive, tasteless powder that can be mixed with any liquid for treatment of constipation. MATERIALS AND METHODS: We review our use of polyethylene glycol 3350 in 35 girls and 11 boys with dysfunctional elimination. Noninvasive urodynamic studies and post-void residual measurement were performed before and during treatment. RESULTS: A significant increase in frequency of bowel movements occurred while taking polyethylene glycol 3350 (p = 0.0001). Average final dose was 0.63 gm/kg. The only reported adverse effect was diarrhea (9 patients). Of the children 18 became dry, 26 had decreased wetting and 2 had no improvement. Voided volume increased (146 vs 210 ml, p <0.0001) and post-void residual decreased significantly (92 vs 48 ml, p <0.0001) while on polyethylene glycol 3350. Ten children were still considered constipated including both patients who experienced no change in wetting. Average final dose in this group (0.69 gm/kg) did not differ significantly from those in whom constipation resolved (0.61 gm/kg). Patients in whom constipation resolved had a significantly lower post-void residual than those who remained constipated (11.8% vs 30.6%, p <0.01) and were significantly more likely to become dry or improved (p = 0.045). CONCLUSIONS: The efficacy, compliance and lack of significant side effects make polyethylene glycol 3350 an ideal substance for treatment of constipation in children with dysfunctional elimination. Persistent constipation was associated with decreased resolution of voiding symptoms and significantly increase
Clin Cancer Res. 2003 Sep 15;9(11):4077-83.
Phase II study of 1alpha-hydroxyvitamin D(2) in the treatment of advanced androgen-independent prostate cancer.
Liu G, Wilding G, Staab MJ, Horvath D, Miller K, Dresen A, Alberti D, Arzoomanian R, Chappell R, Bailey HH.
Department of Medicine, Medical Oncology Section, University of Wisconsin Comprehensive Cancer Center, 600 Highland Avenue, Madison, WI 53792, USA.
PURPOSE: In this single institution Phase II trial, we evaluated the efficacy of the vitamin D analogue, 1alpha-OH-D(2), in patients with advanced hormone-refractory prostate cancer. Experimental Design: The patients initially received 1alpha-OH-D(2) at 12.5 micro g p.o. every day, which was dose adjusted for hypercalcemia. Given the cytostatic nature of the drug, the primary study end point was progression-free survival for a minimum of 6 months. The secondary end point was further characterization of drug toxicity. RESULTS: A total of 26 patients was enrolled. Using the intent-to-treat population, stable disease was seen for an average of 19.2 weeks (median 12 weeks, range 3-108 weeks). Twenty patients were evaluable for response. The one patient that achieved disease stabilization for >2 years elected to come off-study because of patient preference. His last disease evaluation showed no evidence of progression. No objective responses were seen. Previous and ongoing clinical observations strongly imply that PSA could be a misleading surrogate marker for clinical effect with this type of drug. Therefore, prostate-specific antigen was not used as a marker for disease response. Toxicity was as expected with mild hypercalcemia and associated symptoms like constipation and prerenal azotemia seen in some patients. Six (30%) evaluable patients experienced stable disease for >6 months, suggesting possible cytostatic activity. CONCLUSION: The results of this and other trials suggest further clinical investigation in this disease with vitamin D analogues alone or in combination with other age
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