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PubMed1998

Techniques of rectocele repair and their effects on bowel function.

Gynecologists have traditionally evaluated rectocele repair by its effect on vaginal function; coloproctologists have traditionally evaluated its effect on bowel function. Hence different operative criteria and surgical techniques have arisen, but with very little prospective, objective evaluation. The purpose of this review is to describe the surgical techniques used to repair the rectocele and the most common investigations used during its evaluation. Anorectal investigations identify concomitant pathology, may explain pathophysiology, provide objective outcome criteria and attempt to predict the patients that will most benefit from surgery. However, because of the complex neuromuscular, physiological and mechanical interactions that contribute to impaired rectal emptying, their usefulness in improving functional outcome has been limited. Many patients experience improvement, but still are left with some symptoms of impaired defecation despite anatomic correction.

Defecation↗
PubMed1993

Randomized trial comparing diathermy hemorrhoidectomy with the scissor dissection Milligan-Morgan operation.

Twenty consecutive patients (12 male and 8 female) with second-degree, third-degree, or thrombosed hemorrhoids were randomly allocated to undergo either diathermy hemorrhoidectomy (n = 10) or a scissor dissection Milligan-Morgan hemorrhoidectomy (n = 10). No significant difference was found in the postoperative pain score between the groups. On a scale of 0 to 10, the mean daily pain score in the diathermy group was 4.0, and it was 4.1 in the scissor dissection group. Nor was there any significant difference in the length of inpatient stay (diathermy group, 3.5 days; scissor dissection group, 4.0 days) or in the time between the operation and the first bowel action (diathermy group, 2.0 days; scissor dissection group, 3.0 days). Diathermy hemorrhoidectomy has no significant advantage over the scissor dissection classical Milligan-Morgan hemorrhoidectomy.

Adult↗
PubMed1995

Results of rectocele repair. A prospective study.

PURPOSE: This study was designed to evaluate the results of rectocele repair and parameters that might be useful in selecting patients for this operation. METHODS: Twenty-five patients with symptom-giving rectoceles were prospectively evaluated with a standardized questionnaire, physical examination, defecography, colon transit studies, anorectal manometry, and electrophysiology. Patients underwent posterior colporrhaphy and perineorrhaphy. They were followed postoperatively (mean, 1.0 year) with the same questionnaire, physical examination, defecography, anorectal manometry, and electrophysiology. RESULTS: Constipation had improved postoperatively in 21 of 24 constipated patients (88 percent). At postoperative follow-up 13 patients (52 percent) had no constipation symptoms, 8 (32 percent) had occasional symptoms, and 4 (16 percent) had symptoms more than once per week. Four patients with rectocele at preoperative defecography, but not at physical examination, had favorable outcomes following surgery. The majority of patients not using vaginal digitalization preoperatively had improved with respect to constipation. All patients with pathologic transit studies had various degrees of constipation postoperatively. Constipation was not improved in two of five patients with preoperative paradoxic sphincter reaction. CONCLUSIONS: Rectocele is one cause of constipation that can be treated with good results. Preoperative use of vaginal digitalization is not mandatory for a good postoperative result. Defecography is an important complement to physical examination. Patients with pathologic transit study might have a less favorable outcome of rectocele repair with respect to constipation. More studies about the significance of paradoxic sphincter reaction in these patients are indicated.

Adult↗
PubMed1995

What is the relationship between perineal descent and anal mucosal electrosensitivity?

PURPOSE: Perineal descent is found in many patients with anorectal disorders. There is now substantial evidence against perineal descent causing damage to the motor axons in the pudendal nerves, but the sensory sequelae of perineal descent have been neglected. The purpose of this study was to establish the relationship between perineal descent and anal sensation. METHODS: Perineal position was determined in relation to the bony pelvis by means of defecating proctography. Anal mucosal electrosensitivity was determined by using a constant current generator. RESULTS: This study demonstrated significant correlations between perineal position at rest and sensitivity in each third of the anal canal in the study group overall. In women studied alone, there were significant correlations between perineal position at rest and at squeeze and anal mucosal electrosensitivity in each third of the anal canal. CONCLUSIONS: We propose that perineal descent traumatizes the pudendal nerves, damaging the large diameter sensory axons. This may be a precursor of motor axon damage or may correlate with the global pelvic sensory loss found in patients with perineal descent and fecal incontinence.

Adolescent↗
PubMed1990

A combined electromyographic and cineradiologic investigation in patients with defecation disorders.

Records from 20 patients on whom defecography and electromyography were performed simultaneously because of defecation disorders were analyzed. According to the electromyographic investigation, the patients could be divided into three main groups: 1) normal sphincter reaction; 2) paradoxical sphincter reaction; and 3) combined reaction. Group A was characterized by a marked reduction of muscular activity during emptying and a pronounced closing reflex after emptying. This was followed by return of normal tonic activity. Patients in group B had no relaxation of the sphincters during emptying but a pronounced increased activity in the external sphincter and the puborectalis muscle. They also had severe emptying difficulties at defecography. No closing reflex was seen. In group C the electrical activity in the sphincters increased during moderate straining and when emptying was complete a clear closing reflex was seen. In this study, a dynamic visualization of the defecation together with a registration of electromyographic activity in the striated anal sphincters was performed. It was shown that patients with paradoxical sphincter reaction were lacking a closing reflex after emptying was complete. This has not been reported previously and is important evidence for the paradoxical defecation pattern. It was also shown that the patients with rectoceles had paradoxical sphincter reaction.

Adult↗
PubMed2000

Evaluation of pelvic descent disorders by dynamic contrast roentgenography.

PURPOSE: For precise diagnosis and rational treatment of the increasing number of patients with descent of intrapelvic organ(s) and anatomic plane(s), dynamic contrast roentgenography of multiple intrapelvic organs and planes is described. METHODS: Sixty-six patients, consisting of 11 males, with a mean age (+/- standard deviation) of 65.6+/-14.2 years and with chief complaints of intrapelvic organ and perineal descent or defecation problems, were examined in this study. Dynamic contrast roentgenography was obtained by opacifying the ileum, urinary bladder, vagina, rectum, and the perineum. Films were taken at both squeeze and strain phases. On the films the lowest points of each organ and plane were plotted, and the distances from the standard line drawn at the upper surface of the sacrum were measured. The values were corrected to percentages according to the height of the sacrococcygeal bone of each patient. From these corrected values, organ or plane descents at strain and squeeze were diagnosed and graphically demonstrated as a descentgram in each patient. RESULTS: Among 17 cases with subjective symptoms of bladder descent, 9 cases (52.9 percent) showed roentgenographic descent. By the same token, among the cases with subjective feeling of descent of the vagina, uterus, peritoneum, perineum, rectum, and anus, roentgenographic descent was confirmed in 15 of 20 (75 percent), 7 of 9 (77.8 percent), 6 of 16 (37.5 percent), 33 of 33 (100 percent), 25 of 37 (67.6 percent), and 22 of 36 (61.6 percent), respectively. The descentgrams were divided into three patterns: anorectal descent type, female genital descent type, and total organ descent type. CONCLUSIONS: Dynamic contrast roentgenography and successive descentgraphy of multiple intrapelvic organs and planes are useful for objective diagnosis and rational treatment of patients with descent disorders of the intrapelvic organ(s) and plane(s).

Aged↗
PubMed1998

Transanal approach to rectocele repair may compromise anal sphincter pressures.

PURPOSE: This study prospectively assessed the functional results, particularly anal sphincter impairment, following transanal repair of rectocele for chronic intractable constipation. METHOD: Twenty-one consecutive women (mean age, 47.7 (standard error of the mean, 2.7) years) had the diagnosis of rectocele obstructing defecation made on synchronized anal manometry, electromyography, and cinedefecography. All underwent a standardized transanal repair with controlled anal stretching (maximum of 4 cm) from self-retaining anal retractors. The clinical function and anorectal manometry were assessed before surgery and were repeated six months later. RESULTS: All 21 patients were subjectively satisfied with the relief from constipation after surgery. There were significant improvements in the straining at defecation (before, n = 19; after, n = 3; P = 0.001), need to digitate per vagina (before, n = 16; after, n = 0; P = 0.001), stool frequency (before, 3.8 (0.7) times weekly; after, 8.6 (1.2); P = 0.004), and laxative requirements (before, n = 7; after, n = 0; P = 0.03). Although none were clinically incontinent, there was a mean 28 mmHg impairment in resting (P < 0.05) and 42.6 mmHg impairment in maximum squeeze anal pressures (P < 0.05) after operations. There was no other morbidity. CONCLUSION: Transanal rectocele repair effectively improves constipation problems, at the risk of impaired anal sphincter function. Although clinical incontinence was minimum, an alternative approach to rectocele repair should be considered when anal sphincters are lax.

Anal Canal↗