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Minerva Ginecologica 2017 June;69(3):233-8

DOI: 10.23736/S0026-4784.16.03977-0

Copyright © 2016 EDIZIONI MINERVA MEDICA

lingua: Inglese

Histologic and metabolic assessment in a cohort of patients with genital prolapse: preoperative stage and recurrence investigations

Stefano MANODORO 1, Federico SPELZINI 2, Maria C. CESANA 1, Matteo FRIGERIO 1, Daniele MAGGIONI 3, 4, Cecilia CERESA 3, 4, Cristina PENATI 1, Martina SICURI 1, Robert FRUSCIO 1, Gabriella NICOLINI 3, 4, Rodolfo MILANI 1

1 Department of Obstetrics and Gynaecology, ASST Monza, San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy; 2 ASST Valtellina and Alto Lario, Hospital of Sondrio, Sondrio, Italy; 3 Department of Surgery and Translational Medicine, University of Milano-Bicocca, Monza, Italy; 4 Experimental Neurology Unit, University of Milano-Bicocca, Monza, Italy


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BACKGROUND: Biological basis of prolapse development and recurrence are still unclear. Aim of this observational and prospective study is to correlate clinical stage of anterior vaginal wall prolapse and anatomical recurrence to histological and metabolic characteristics of vaginal tissue.
METHODS: Patients undergoing surgery were divided into two groups according to anterior stage ≤II (group A) and ≥III (group B). Full-thickness excisional biopsies of the anterior vaginal wall were obtained after hysterectomy. Hystological characteristics and metalloproteinases activity (MMP-2) were analyzed.
RESULTS: Sixty-nine patients (35 group A; 34 group B) completed evaluation. Mean follow-up was 35 months. Collagen amount and organization were significantly higher in group B both in lamina propria and fascia specimens, but MMP-2 activity was significantly lower in this group. Recurrence rate of anterior compartment was 10.1%. Collagen cellularity of fascia was higher in recurrence groups. On the contrary MMP-2 activity showed a close to significant correlation to surgical success (P=0.07).
CONCLUSIONS: Patients with advanced stages of prolapse have increased collagen amount associated to decreased MMP-2 activity. This suggests that connective tissue is more abundant but less metabolically active in patients with severe prolapse. A similar trend can be found in recurrences.


KEY WORDS: Histology - Matrix metalloproteinases - Pelvic organ prolapse - Surgical procedures, operative

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Publication History

Issue published online: April 5, 2017
Article first published online: September 21, 2016
Manuscript accepted: September 15, 2016
Manuscript received: August 16, 2016

Per citare questo articolo

Manodoro S, Spelzini F, Cesana MC, Frigerio M, Maggioni D, Ceresa C, et al. Histologic and metabolic assessment in a cohort of patients with genital prolapse: preoperative stage and recurrence investigations. Minerva Ginecol 2017;69:233-8. DOI: 10.23736/S0026-4784.16.03977-0

Corresponding author e-mail

stefano.manodoro@gmail.com