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. 2015 Mar;97(2):120-4.
doi: 10.1308/003588414X14055925058959.

Incidental non-inguinals hernias in totally extra-peritoneal hernia repair

O J Old  1 , S R Kulkarni, T J Hardy, F J Slim, L G Emerson, R A Bulbulia, M R Whyman, K R Poskitt
Affiliations

Incidental non-inguinals hernias in totally extra-peritoneal hernia repair

O J Old et al. Ann R Coll Surg Engl. 2015 Mar.

Abstract

Introduction: Totally extra-peritoneal (TEP) inguinal hernia repair allows identification and repair of incidental non-inguinal groin hernias. We assessed the prevalence of incidental hernias during TEP inguinal hernia repair and identified the risk factors for incidental hernias.

Materials and methods: Consecutive patients undergoing TEP repair from May 2005 to November 2012 were the study cohort. Inspection for ipsilateral femoral, obturator and rarer varieties of hernia was undertaken during TEP repair. Patient characteristics and operative findings were recorded on a prospectively collected database.

Results: A total of 1,532 TEP repairs were undertaken in 1,196 patients. Ninety-three patients were excluded due to incomplete data, leaving 1,103 patients and 1,404 hernias for analyses (1,380 male; 802 unilateral and 301 bilateral repairs; median age, 59 years). Among the 37 incidental hernias identified (2.6% of cases), the most common type of incidental hernia was femoral (n=32, 2.3%) followed by obturator (n=2, 0.1%). Increasing age was associated with an increased risk of incidental hernia, with a significant linear trend (p<0.01). The risk for patients >60 years of age was 4.0% vs 1.4% for those aged <60 years (p<0.01). Incidental hernias were found in 29.2% of females vs 2.2% of males, (p<0.0001). Risk of incidental hernia in those with a recurrent inguinal hernia was 3.0% vs 2.6% for primary repair (p=0.79).

Conclusions: Incidental hernias during TEP inguinal hernia repair were found in 2.6% of cases and, though infrequent, could cause complications if left untreated. The risk of incidental hernia increased with age and was significantly higher in patients aged >60 years and in females.

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Figures

Figure 1
Figure 1
View of right groin at totally extra-peritoneal repair. A right indirect inguinal hernia is seen. Other potential sites of herniation are shown
Figure 2
Figure 2
Percentage of incidental hernias according to age group
Figure 3
Figure 3
Percentage of incidental hernias according to sex
See this image and copyright information in PMC

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