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Influence of Parks' anal retractor on anal sphincter pressures

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Diseases of the Colon & Rectum

Abstract

PURPOSE: The effects of the Parks' anal retractor on anal sphincter function were studied in a prospective, randomized trial. A closed hemorrhoidectomy was performed intraanally in 20 patients using the Parks' anal retractor; in 20 other patients, the procedure was done perineally without the use of a retractor. METHODS: Anal manometry was performed before and at 6 and 12 weeks after hemorrhoidectomy. RESULTS: Mean squeeze pressure decreased by 4 percent whether or not a retractor was used. Mean resting pressure decreased by 23 percent after use of Parks' anal retractor (P=0.01) compared with 8 percent when it was not used (P >0,05). CONCLUSIONS: The internal anal sphincter is easily damaged with the use of the Parks' anal retractor. When possible, its use should be avoided to obtain better manometric and functional results.

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Authors and Affiliations

  1. The Department of Surgery, Lukas-Andreas Hospital, Amsterdam, The Netherland

    W. F. van Tets M.D., Ph.D.

  2. University Hospital, Nijmegen, The Netherlands

    J. H. C. Kuijpers M.D., Ph.D., K. Tran M.D., R. Mollen M.D. & H. van Goor M.D., Ph.D.

Authors
  1. W. F. van Tets M.D., Ph.D.
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  2. J. H. C. Kuijpers M.D., Ph.D.
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  3. K. Tran M.D.
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  4. R. Mollen M.D.
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  5. H. van Goor M.D., Ph.D.
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van Tets, W.F., Kuijpers, J.H.C., Tran, K. et al. Influence of Parks' anal retractor on anal sphincter pressures. Dis Colon Rectum 40, 1042–1045 (1997). https://doi.org/10.1007/BF02050926

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