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Hernia. 2018 Jun;22(3):533-540. doi: 10.1007/s10029-018-1752-x. Epub 2018 Feb 19.

What happens after no contralateral exploration in total extraperitoneal (TEP) herniorrhaphy of clinical unilateral inguinal hernias?

Author information

1
Department of Surgery, Ditmanson Medical Foundation Chia-Yi Christian Hospital, No. 539, Zhongxiao Road, East Dist., Chiayi City, 600, Taiwan, ROC.
2
Clinical Medical Research Center, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi City, Taiwan, ROC.
3
Department of Surgery, Ditmanson Medical Foundation Chia-Yi Christian Hospital, No. 539, Zhongxiao Road, East Dist., Chiayi City, 600, Taiwan, ROC. seetowhat@gmail.com.

Abstract

BACKGROUND:

While performing unilateral TEP herniorrhaphy, controversy still exists about whether to do contralateral exploration or not. Routine contralateral exploration has been proposed to prevent metachronous contralateral hernias by the repair of incidental contralateral occult hernias. Some surgeons have even proposed to do prophylactic bilateral TEP herniorrhaphy for unilateral hernia patients. To evaluate the appropriateness of not doing contralateral exploration in unilateral TEP herniorrhaphy, we reviewed our experiences under our practice of no contralateral exploration and we also reviewed other published literature.

METHODS:

A total of 305 patients who underwent 313 TEP herniorrhaphies for inguinal hernias by a single surgeon during August 2012-July 2016 at Chia-Yi Christian Hospital were enrolled in this retrospective study. Demographic, perioperative and follow-up data were obtained for analysis and review.

RESULTS:

Of the 305 patients, 261 patients had unilateral TEP herniorrhaphy and 44 patients had bilateral TEP herniorrhaphy. The mean operation time for the unilateral TEP herniorrhaphy group was 59.8 min, and for the bilateral TEP herniorrhaphy group it was 85.2 min (p < 0.001). Seven of 261 (2.7%) patients had metachronous contralateral hernia after unilateral TEP herniorrhaphy. There were no statistically significant differences in any of the outcome variables when comparing the sequential and simultaneous primary bilateral TEP herniorrhaphies.

CONCLUSIONS:

Without routine contralateral exploration, the incidence of metachronous contralateral hernia was 2.7% (7/261) in unilateral hernia patients. This is acceptable as metachronous hernia also occurred in 3.2% of patients with negative contralateral exploration according to our literature review. Sequential and simultaneous bilateral primary TEP herniorrhaphy outcomes were similar. We conclude that no exploration for the other groin is a justified decision for unilateral inguinal hernia patients.

KEYWORDS:

Metachronous contralateral hernia; No contralateral exploration; TEP herniorrhaphy

PMID:
29460057
DOI:
10.1007/s10029-018-1752-x
[Indexed for MEDLINE]

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