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  • Title: Posterior pelvic floor compartment disorders.
    Author: Davis K, Kumar D.
    Journal: Best Pract Res Clin Obstet Gynaecol; 2005 Dec; 19(6):941-58. PubMed ID: 16198148.
    Abstract:
    Posterior pelvic floor compartment disorders generally refer to functional anorectal disturbances that by definition are symptom-based rather than anatomical defect-based and have a significant impact on quality of life. Symptoms attributed to the posterior compartment are often non-specific and associated with structural, neuromuscular and functional defects giving rise to symptoms of prolapse, pelvic pressure, faecal incontinence, stool trapping and constipation. They may range from mild to incapacitating and occur in varying combinations. While symptoms of constipation and incontinence may conceptually represent the opposing extremes of normal anorectal function, the dynamic interrelationships between the different pathophysiological mechanisms involved in the development of these disorders suggest a more complex explanation. Faecal continence and defecation are dependent on several neurological and anatomical factors that involve coordinated physiological processes, including intestinal transit and absorption, colonic transit, rectal compliance, anorectal sensation and continence mechanism. However, it is well recognized that pelvic floor symptoms originating from one compartment do not imply absent pathology in another compartment. Furthermore, symptoms associated with one disorder (such as constipation related to functional obstructed defecation) can be causative in the sequential development of other pelvic floor disorders, such as a urogenital prolapse syndrome, that may further exacerbate symptoms. In addition, it has been found that treatment that corrects one problem may improve, worsen or even predispose to other symptoms from another compartment. Consequently, while the concept of global pelvic floor dysfunction has emerged, the traditional single speciality referral and evaluation of pelvic floor problems continues to foster potentially segregated management strategies that can overlook the relevance of concomitant symptomatology. The evaluation and treatment of posterior pelvic compartment disorders needs to assume an individualized but multidisciplinary therapeutic approach. Given the variation in surgical approaches described to correct anatomical integrity of posterior pelvic compartment deficits, the consensus on optimal management has yet to be achieved. Therefore, it is critical that outcome measures following surgery are clearly defined. Treatment is to a great extent dictated to by functional severity and the impact that symptoms have on quality of life. Long-term follow-up should ensure that the potential for complications is minimized and satisfactory bowel, bladder and sexual function is maintained.
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