EAES Consensus Development Conference on endoscopic repair of groin hernias. Surg Endosc. 2013;27:3505-3519. [PMID: 23708718 DOI: 10.1007/s00464-013-3001-9]

The Partial Iliopubic Tract Resection Technique for Incarcerated Femoral Hernia: A Case Series and a Literature Review

Femoral hernias have a high incarceration rate, often necessitating urgent surgical intervention. In this report, we present a safe and reproducible laparoscopic technique for incarcerated femoral hernias with bowel involvement, including repair. Between December 2022 and May 2023, three female patients with incarcerated femoral hernias underwent urgent laparoscopic surgery. All patients presented with abdominal pain and were diagnosed with small bowel incarceration using computed tomography. Under laparoscopy, we confirmed intestinal incarceration and performed a standard transabdominal preperitoneal approach to identify the hernia defects. The iliopubic tract on the abdominal side of the hernia defect was carefully dissected using an energy device to enlarge the hernia orifice. A spontaneous reduction of the incarcerated intestine was achieved. After confirming the absence of bowel perforation, mesh was placed to repair the hernia. Following peritoneal closure, the affected part of the intestine was extracorporeally resected and anastomosed. We performed this technique on three patients, all of whom were later discharged without complications. In conclusion, for incarcerated femoral hernias with bowel obstruction, laparoscopic partial division of the iliopubic tract enables an easy, safe, and reproducible approach to incarceration release and subsequent hernia repair.

Outpatient Surgery and Unplanned Overnight Admission in Bilateral Inguinal Hernia Repair: A Population-based Study

PURPOSE

The use of outpatient surgery in inguinal hernia is heterogeneous despite clinical recommendations. This study aimed to analyze the utilization trend of outpatient surgery for bilateral inguinal hernia repair (BHIR) in Spain and identify the factors associated with outpatient surgery choice and unplanned overnight admission.

METHODS

A retrospective observational study of patients undergoing BIHR from 2016 to 2021 was conducted. The clinical-administrative database of the Spanish Ministry of Health RAE-CMBD was used. Patient characteristics undergoing outpatient and inpatient surgery were compared. A multivariable logistic regression analysis was performed to identify factors associated with outpatient surgery choice and unplanned overnight admission.

RESULTS

A total of 30,940 RHIBs were performed; 63% were inpatient surgery, and 37% were outpatient surgery. The rate of outpatient surgery increased from 30% in 2016 to 41% in 2021 (p < 0.001). Higher rates of outpatient surgery were observed across hospitals with a higher number of cases per year (p < 0.001). Factors associated with outpatient surgery choice were: age under 65 years (OR: 2.01, 95% CI: 1.92-2.11), hospital volume (OR: 1.59, 95% CI: 1.47-1.72), primary hernia (OR: 1.89, 95% CI: 1.71-2.08), and laparoscopic surgery (OR: 1.47, 95% CI: 1.39-1.56). Comorbidities were negatively associated with outpatient surgery. Open surgery was associated (OR: 1.26, 95% CI: 1.09-1.47) with unplanned overnight admission.

CONCLUSIONS

Outpatient surgery for BHIR has increased in recent years but is still low. Older age and comorbidities were associated with lower rates of outpatient surgery. However, the laparoscopic repair was associated with increased outpatient surgery and lower unplanned overnight admission.

Laparoscopic totally extraperitoneal hernia repair in patients with a history of previous abdominopelvic surgery

A retrospective cohort study of patients undergoing laparoscopic inguinal hernia repair compared short- and long-term outcomes between individuals with or without history of previous abdominopelvic surgery, aiming to determine the feasibility of totally extraperitoneal (TEP) repair within this population. All patients who underwent elective TEP inguinal hernia repair by one consultant surgeon across three London hospitals from January 2017 to May 2023 were retrospectively analysed to assess perioperative outcomes. Two hundred sixty-two patients were identified, of whom two hundred forty-three (93%) underwent laparoscopic TEP repair. The most frequent complications were haematoma (6.2%) and seroma (4.1%). Recurrence occurred in four cases (1.6% of operations, 1.1% of hernias). One hundred eighty-four patients (76%) underwent day-case surgery. There were no mesh infections or explanations, vascular or visceral injuries, port-site hernias, damage to testicle, or persisting numbness. There were no requirements for blood transfusion, returns to theatre, or readmissions within 30 days. There was one conversion to open and one death within 60 days of surgery. Eighty-three (34%) had a history of previous AP surgery. There was no significant difference in perioperative outcomes between the AP and non-AP arms. This finding carried true for subgroup analysis of 44 patients whose AP surgical history did not include previous inguinal hernia repair and for those undergoing repair of recurrent hernia. In expert hands, laparoscopic TEP repair is associated with excellent outcomes and low rates of long-term complications, and thus should be considered as standard for patients regardless of a history of AP surgery.

Safety and effectiveness of laparoscopic adult groin hernia repair in Africa: a systematic review and meta-analysis

BACKGROUND

Surgery is the recommended treatment of groin hernia, and laparoscopic approach is increasingly accepted due to lower risk of chronic pain. This systematic review aims to evaluate results of laparoscopic groin hernia repair (LGHR) in Africa.

METHODS

We performed a literature search of published studies using electronic databases. Included African articles reported at least one of outcomes after LGHR in adult population. Newcastle-Ottawa Scale was used for quality assessment. A quantitative meta-analysis was performed to estimate the pooled prevalence of the post-operative outcomes.

RESULTS

We included 19 studies from 6 countries which totalized 2329 hernia cases. Mean age was 44.5 years and male patients were predominant (sex-ratio 19.8). The mean operative time was 69.1 min. The pooled prevalence of conversion to open procedure was 2.578% (95% IC: 1.209-4.443). The pooled prevalence of surgical site infection and Hematoma/Seroma was respectively 0.626% (95%IC: 0.332-1.071) and 4.617% (95% IC: 2.990-6.577). The pooled prevalence of recurrence and chronic pain was respectively 2.410% (95% IC: 1.334-3.792) and 3.180% (95% IC: 1.435-5.580). We found that total morbidity for TAPP procedure was higher than TEP procedure (p = 0.0006; OR 1.8443).

CONCLUSION

These results confirm that LGHR is safe and feasible and would be recommended in our African context.

Laparoscopic approach of inguinal hernia associated with adult cryptorchidism: case series and literature review

Cryptorchidism is defined as the extra-scrotal position of the testes. It is a common disorder in male children, but rarely in adult patients. The association of cryptorchidism with hernia is a common finding in childhood, but is not frequent in adults or the elderly. Herein, we report a series of three cases (28-, 24-, and 34-year-old men) of adult inguinal hernia combined with cryptorchidism successfully managed by laparoscopic surgery under the same operative view. Laparoscopic transabdominal preperitoneal repair and orchiectomy were performed in all patients. No complications occurred in the postoperative period, and the patients were discharged on the first or second postoperative day. Pathological examination of the specimens revealed atrophic testes without malignancy. No hernia recurrence was observed during follow-up. The laparoscopic approach in the combined pathology of inguinal hernia and cryptorchidism is feasible in adult patients and has multiple advantages in terms of diagnosis and management.

Transabdominal preperitoneal (TAPP) repair for emergency groin hernia: a systematic review

PURPOSE

Laparoscopic groin hernia repair has evolved and gained popularity and laparoscopic transabdominal preperitoneal (TAPP) procedure provides an opportunity to evaluate the peritoneal cavity and both inguinal areas without the need for additional dissection. There is still a paucity of evidence to support TAPP repair in the emergency setting. In this systematic review, we aim to evaluate the feasibility and safety of TAPP repair for incarcerated and strangulated groin hernias.

METHODS

PRISMA guidelines were followed for literature search and established inclusion and exclusion criteria were applied. Data were extracted and analyzed for the outcomes of interest.

RESULTS

Overall, 8 studies were included in the review, comprising 316 patients. Patients characteristics and outcomes were limitedly reported. Only 3 cases of conversion to open approach were reported and 2 recurrences were diagnosed. Postoperative complications are inconsistently reported but mostly refer to minor complications. There were no mortality cases. Visceral resections were performed in 25 cases due to ischemia, mostly extracorporeally.

CONCLUSION

Laparoscopy is a game changer and TAPP approach is a feasible, safe, and effective technique for the emergent repair of groin hernias. Further studies and prospective randomized data are needed to establish its role in the emergent groin hernia management.

Bilateral inguinal hernia repair by laparoscopic totally extraperitoneal (TEP) vs. laparoscopic transabdominal preperitoneal (TAPP)

BACKGROUND

The guidelines recommend laparoscopic repair for bilateral inguinal hernia. However, few studies compare the totally extraperitoneal (TEP) and transabdominal preperitoneal (TAPP) techniques in bilateral inguinal hernias. This study aimed to compare the outcomes of TEP and TAPP in bilateral inguinal hernia.

METHODS

We conducted a retrospective cohort study of patients operated on for bilateral inguinal hernia by TEP and TAPP repair from 2016 to 2020. Intraoperative complications, operative time, acute postoperative pain, hospital stay, postoperative complications, chronic inguinal pain, and recurrence were compared.

RESULTS

A total of 155 patients were included in the study. TEP was performed in 71 patients (46%) and TAPP in 84 patients (54%). The mean operative time was longer in the TAPP group than in the TEP group (107 min vs. 82 min, p < 0.001). The conversion rate to open surgery was higher in the TEP group than in the TAPP group (8.5% vs. 0%, p = 0.008). The mean hospital stay was longer in the TAPP group than in the TEP group (p < 0.001). We did not observe significant differences in the proportion of postoperative complications (p = 0.672), postoperative pain at 24 h (p = 0.851), chronic groin pain (p = 0.593), and recurrence (p = 0.471). We did not observe an association between the choice of surgical technique (TEP vs. TAPP) with conversion rate, operative time, hospital stay, postoperative complications, chronic inguinal pain, or hernia recurrence when performing a multivariable analysis adjusted for the male sex, age, BMI, ASA, recurrent hernia repair, surgeon, and hernia size > 3cm.

CONCLUSIONS

Bilateral inguinal hernia repair by TEP and TAP presented similar outcomes in our study.

Comparison of transumbilical single-incision laparoscopic TAPP versus conventional laparoscopic TAPP in the elderly: A retrospective analysis

BACKGROUND

To analyze and compare the clinical efficacy of transumbilical single-incision laparoscopic surgery TAPP(SILS-TAPP) and conventional laparoscopic TAPP(CL-TAPP) in the treatment of senile inguinal hernia.

METHODS

From January 2019 to June 2021, a total of 221 elderly patients (≥60 years old) with inguinal hernia received SILS-TAPP and CL-TAPP in General Surgery Department of Affiliated Hospital of Nantong University. The perioperative indicators, postoperative complications and follow-up of the two groups were compared to explore the feasibility and superiority of SILS-TAPP in the treatment of inguinal hernia in the elderly.

RESULTS

There was no difference in demographic characteristics between the two groups. The mean operation time (28.6 ± 4.2 min vs 28.2 ± 5.3 min) in the SILS-TAPP group was not significantly different from that in the CL-TAPP group (Ρ = 0.623), and there was no significant increase in hospital costs(Ρ = 0.748). The intraoperative blood loss (7.4 ± 3.4 ml), VAS score on the postoperative day (2.2 ± 0.7), mean time of resuming activity (8.2 ± 1.9 h) and mean postoperative hospital stay (0.8 ± 0.2 d) in the SILS-TAPP group were better than those in the CL-TAPP group (Ρ < 0. 05).There was no statistical difference in the overall incidence of intraoperative (Ρ = 0.128) and postoperative complications (Ρ = 0.125) between the two groups.

CONCLUSION

Single-incision laparoscopic surgery TAPP (SILS-TAPP) is feasible and effective in elderly patients, providing a new alternative surgical method for patients who can tolerate general anesthesia.

Trends and predictors of laparoscopic bilateral inguinal hernia repair in Spain: a population-based study

BACKGROUND

International guidelines currently recommend laparoscopy for bilateral inguinal hernia repair (BIHR). Our study aims to evaluate the trends and factors associated with the choice of laparoscopy for BIHR in Spain.

METHODS

We performed a retrospective analysis of patients undergoing BIHR between 2016 and 2019. We used the national database of the Spanish Ministry of Health: RAE-CMBD. We performed a univariate and multivariable logistic regression analysis to identify the factors associated with the utilization of laparoscopy. We identified perioperative complications and the factors associated with their occurrence through multivariable logistic regression analysis.

RESULTS

A total of 21,795 BIHRs were performed: 84% by open approach and 16% by laparoscopic approach. Laparoscopic approach increased from 12% in 2016 to 23% in 2019 (p < 0.001). The 40% of hospitals did not use laparoscopy, and only 8% of the hospitals performed more than 50% of their BIHRs by laparoscopy. The utilization rate of laparoscopy was not related to the number of BIHRs performed per year (p = 0.145). The main factor associated with the choice of laparoscopy in multivariable logistic regression analysis was the patient's region of residence (OR 2.04, 95% CI 1.88-2.21). Other factors were age < 65 years (OR 1.65, 95% CI 1.52-1.79) and recurrent inguinal hernia (OR 1.31, 95% CI 1.15-1.49). The type of approach for BIHR was not independently associated with perioperative complications.

CONCLUSIONS

Despite a significant increase in recent years, laparoscopic BIHR in Spain remains low. The main factor associated with the utilization of laparoscopy was the patient's region of residence; this factor seems to be related to the presence of hospitals with a high rate of laparoscopic approaches where the patient lives. The type of approach was not independently associated with perioperative complications. More efforts are needed to increase laparoscopic use in patients with bilateral inguinal hernias.

Postoperative compression in preventing early complications after groin hernia repair

PURPOSE

We conducted this study to investigate the efficacy, safety, and clinical value of postoperative compression in preventing seroma formation, relieving acute pain, and improving QoL after groin hernia repair.

METHODS

This multi-center, prospective, observational real-world study was conducted from March 1, 2022, to August 31, 2022. The study was completed in 53 hospitals in 25 provinces in China. A total of 497 patients who underwent groin hernia repair were enrolled. All patients used a compression device to compress the operative region after surgery. The primary outcome was seroma incidence 1 month after surgery. Secondary outcomes included postoperative acute pain and QoL.

RESULTS

A total of 497 patients [median (IQR) age 55 (41-67) years, 456 (91.8%) male] were enrolled, of whom 454 underwent laparoscopic groin hernia repair and 43 open hernia repair. The follow-up rate was 98.4% 1 month after surgery. Seroma incidence was 7.2% (35 of 489 patients) overall, lower than reported by previous research. No significant differences were found between the two groups (P > 0.05). VAS scores after compression were significantly lower than before compression overall and in both groups (P < 0.001). The laparoscopic group showed a high level of QoL compared with the open group, but there was no significant difference between the two groups (P > 0.05). CCS score correlated positively with VAS score.

CONCLUSION

Postoperative compression, to a certain extent, can reduce seroma incidence, relieve postoperative acute pain, and improve QoL after groin hernia repair. Further large-scale randomized controlled studies are warranted to determine long-term outcomes.

Shared genetic architecture of hernias: A genome-wide association study with multivariable meta-analysis of multiple hernia phenotypes

Abdominal hernias are common and characterised by the abnormal protrusion of a viscus through the wall of the abdominal cavity. The global incidence is 18.5 million annually and there are limited non-surgical treatments. To improve understanding of common hernia aetiopathology, we performed a six-stage genome-wide association study (GWAS) of 62,637 UK Biobank participants with either single or multiple hernia phenotypes including inguinal, femoral, umbilical and hiatus hernia. Additionally, we performed multivariable meta-analysis with metaUSAT, to allow integration of summary data across traits to generate combined effect estimates. On individual hernia analysis, we identified 3404 variants across 38 genome-wide significant (p < 5×10-8) loci of which 11 are previously unreported. Robust evidence for five shared susceptibility loci was discovered: ZC3H11B, EFEMP1, MHC region, WT1 and CALD1. Combined hernia phenotype analyses with additional multivariable meta-analysis of summary statistics in metaUSAT revealed 28 independent (seven previously unreported) shared susceptibility loci. These clustered in functional categories related to connective tissue and elastic fibre homeostasis. Weighted genetic risk scores also correlated with disease severity suggesting a phenotypic-genotypic severity correlation, an important finding to inform future personalised therapeutic approaches to hernia.

Treatment of mesh infection after inguinal hernia repair: 3-year experience with 120 patients

PURPOSE

Mesh infection is a devastating complication of sterile hernia repair surgery. This study was performed to assess the short- and long-term outcomes following treatment for mesh infection after inguinal hernia repair.

METHODS

This single-center retrospective study included all patients who developed mesh infection after inguinal hernia repair from January 2018 to December 2020. Patient demographics, mesh infection characteristics, microbiology, features of surgery, short- and long-term outcomes, and follow-up data were analyzed.

RESULTS

In total, 120 patients (8 women, 112 men; mean age, 54.4 years; mean body mass index, 24.8 kg/m²) were treated for mesh infection. The cultures were positive in 88 patients; 62.5% of these were positive for Staphylococcus aureus. Laparoscopic exploration was performed in 108 patients. Seventy patients underwent complete removal of infected mesh, and 50 underwent partial removal. During the short-term follow-up, 11 patients developed a minor wound infection and were treated with dressings and antibiotics, 1 developed a wound infection requiring debridement, 30 developed seromas, and 3 developed hematomas that did not require surgical intervention. During the mean follow-up of 39.1 months, 4 patients developed hernia recurrence, 2 experienced chronic pain, and 23 developed recurrent infection requiring reoperation in the partial mesh removal group (in contrast, only 4 patients in the complete mesh removal group developed recurrent infection, with a statistically significant difference).

CONCLUSION

The outcome of mesh infection after inguinal hernia repair treated by mesh removal is satisfactory. Systematic individualized treatment by experienced experts based on the patient's previous repair technique, implanted mesh, and physical condition is recommended.

Extraperitoneal Laparoscopic Approach in Inguinal Hernia—The Ideal Solution?

Background: After more than 20 years since laparoscopy was proposed as a solution for one of the most common surgical pathologies, inguinal hernia, the choice of an intra- or extraperitoneal approach has remained a highly debated topic. Purpose and objectives: This study aimed at analyzing the feasibility of the extraperitoneal approach, by routine for this team/ and answering the question of whether this type of approach can be considered a safe one. Although indications for an intra- or extraperitoneal approach largely overlap, it may also be a matter of surgeon preference in choosing one technique. Methods: The study was retrospective, conducted on a group of 493 patients operated on for inguinal hernia in the clinic, by a single operating team, between January 2012 and March 2022. Results: It was proven that out of the 493 surgeries for inguinal hernia, 95.1% (n = 469) were operated upon by laparoscopic TEP (total extra peritoneal patch plasty approach); 1.62% (n = 8) by laparoscopic TAPP (transabdominal intraperitoneal); and 3.24% (n = 16) by the open, anterior approach (Lichtenstein). There were no intraoperative complications recorded in any of the procedures, while postoperative complications were found in 10.23% of cases (n = 48) in the extraperitoneal approach, and recurrences after the TEP approach were recorded in 0.40% of cases (n = 2). Conclusions: For correctly selected cases, TEP hernia surgery can be considered a safe and reliable approach.

The transition from open to laparoscopic surgery for bilateral inguinal hernia repair: how we did it

PURPOSE

To describe the transition process from open repair (OR) to laparoscopic repair (LR) of bilateral inguinal hernia in a small basic general hospital METHODS: We describe the technical details and training strategy used to facilitate the transition to systematic LR of bilateral inguinal hernia. We conducted a retrospective analysis of prospectively collected data from all patients undergoing bilateral inguinal hernia repair between January 2017 and December 2020. We analysed the evolution of LR and compared the surgical outcomes: complications, acute pain (24 h), chronic pain (> 3 months), and recurrence (1 year) of the patients operated on by OR and LR.

RESULTS

We performed 132 bilateral inguinal hernia repairs, 55 (41.7%) ORs, and 77 (58.3%) LRs. A significant difference was observed in the choice of LR over time (2017: 9%, 2018: 32%, 2019: 75%, 2020: 91%, p < 0.001). The mean operative time was shorter in the OR group than in the LR group (56 min vs. 108 min, p < 0.001). However, the operative time of the LR decreased over the years. No significant differences were observed in complications or recurrence. LR was associated with lower acute postoperative pain at 24 h (2.2 vs. 3.1 points, p = 0.021) and lower chronic groin pain than OR (1.3% vs. 12.7%, p = 0.009).

CONCLUSION

A structured and systematized training process made the transition from OR to LR of bilateral inguinal hernias feasible and safe in a small basic general hospital. This transition did not increase complications or recurrence. Additionally, LR was associated with a decrease in postoperative pain and chronic groin pain.

Outcomes of laparoscopic repair in complicated groin hernia: A single institutional based cohort study in Nepal

Introduction

Laparoscopic hernia repairs have comparable recurrence rate with less persisting pain and numbness and quicker return to usual activities as compared to open mesh repair. The excellent outcomes of minimally invasive surgery encourage us to extend the laparoscopic technique to complicated groin hernia.

Method

A total of 22 patients with complicated groin hernia who presented to our institute from September 2017 to September 2018 were included in this prospective cohort study. Inclusion criteria were patients with age greater than 18 years and clinically diagnosed as complicated groin hernia. Patients with peritonitis, those with previous abdominal surgery and unfit for general anesthesia were excluded from our study.

Results

The most common age group was 51–60 (31.8%) years.17 cases were repaired with totally laparoscopic approach (12 TEP, 5 TAPP). Laparoscopic repair with additional procedure was needed in 3 cases and 2 cases were converted to open for completion of the procedure. The mean operating time was 154.8 ± 51.6 (range: 90 to 230) minutes. The average length of hospital stay was 3.8 ± 3 (range: 1 to 12) days. Bleeding from the inferior epigastric and testicular vessels were the major intra-operative complication (11.8%). Seroma and surgical site infection were seen in 2 (11.8%) patients.

Conclusion

Laparoscopic approach in cases of complicated groin hernia can achieve desirable patient outcomes without major complications, provided good patient selection and expertise. The evidence for laparoscopic repair as the choice of procedure in complicated groin hernia can be established from further comparative studies.

•

Laparoscopic repair in complicated hernia has been attempted more frequently due to availability of expertise and detailed knowledge of anatomy.

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Successful reduction of hernia contents in laparoscopic repair is possible with minimal complications.

•

Complications in laparoscopic repair in complicated hernia (intraoperative/postoperative) are comparable to that of laparoscopic repair of uncomplicated hernia or open repair of complicated hernia.

•

Mesh can be used in laparoscopic repair of uncomplicated hernia.

Outcome of inguinal hernia repair after previous radical prostatectomy: a registry-based analysis with 12,465 patients

INTRODUCTION

Following radical prostatectomy, the rate of inguinal hernias is fourfold higher compared to controls. Laparo-endoscopic repair after previous radical prostatectomy is considered complex. Therefore, the guidelines recommend open Lichtenstein repair. To date, there are limited data on inguinal hernia repair after prior prostatectomy.

METHODS

In a retrospective analysis from the Herniamed Registry, the outcomes of 255,182 primary elective unilateral inguinal hernia repairs were compared with those of 12,465 patients with previous radical prostatectomy in relation to the surgical technique. Furthermore, the outcomes of laparo-endoscopic versus open Lichtenstein repair techniques in the 12,465 patients after previous radical prostatectomy were directly compared.

RESULTS

Comparison of the perioperative complication rates for primary elective unilateral inguinal hernia repair with and without previous radical prostatectomy demonstrated for the laparo-endoscopic techniques significantly higher intraoperative complications (2.1% vs 0.9%; p < 0.001), postoperative complications (3.2% vs 1.9%; p < 0.001) and complication-related reoperations (1.1% vs 0.7%; p = 0.0442) to the disadvantage of previous prostatectomy. No significant differences were identified for Lichtenstein repair. Direct comparison of the laparo-endoscopic with the open Lichtenstein technique for inguinal hernia repair after previous radical prostatectomy revealed significantly more intraoperative complications for TEP and TAPP (2.1% vs 0.6%; p < 0.001), but more postoperative complications (4.8% vs 3.2%; p < 0.001) and complication-related reoperations (1.8% vs 1.1%; p = 0.003) for open Lichtenstein repair.

CONCLUSION

Since there are no clear advantages for the laparo-endoscopic vs the open Lichtenstein technique in inguinal hernia repair after previous radical prostatectomy, the surgeon can opt for one or the other technique in accordance with their experience.

Conservative treatment of partial testicular artery injury during transabdominal preperitoneal hernioplasty (TAPP)

Inguinal hernias are common conditions in general surgery. Laparoscopic approach, whether transabdominal preperitoneal (TAPP) or totally extraperitoneal (TEP), is favored for its lower rate of surgical site infection, shorter hospital stay, and faster return to daily activities. Complications still occur, albeit in a small percentage, but can prolong hospital stay or be fatal. We present a case of a 55-year-old male patient who underwent TAPP procedure with proposed iatrogenic testicular artery injury resulting in a bilateral retroperitoneal hematoma. The treatment was conservative, and the patient was discharged in good general condition after 13 days. Six months postoperatively, no signs of hernia recurrence were observed. According to available literature, this is the first conservatively treated occult testicular artery injury during TAPP inguinal hernioplasty.

Risk Factors for Conversion in Laparoscopic Totally Extraperitoneal Inguinal Hernioplasty

BACKGROUND

Conversion is a surgical concern because the surgical technique can change during surgery. Surprisingly, there is no study in the literature on the causes and risk factors leading to conversion in laparoscopic total extraperitoneal inguinal repair (TEP). There is also no consensus on the prevention and causes of this condition in TEP. The aim of this study was to evaluate the risk factors underlying the development of conversion during TEP.

MATERIALS AND METHODS

We recruited 962 consecutive patients who underwent TEP between May 2016 and May 2021. All data were collected retrospectively. The outcomes of patients who converted to open surgery were compared with those without conversion. Multivariate analysis identified independent risk factors for conversion.

RESULTS

The overall incidence of conversion was 4.05% (n=39). The median age was 42 years (18 to 83) and body mass index was 25.2 kg/m2 (15.67 to 32.9). Significant clinical factors associated with conversion included old age, American Society of Anesthesiologists (ASA) score, large peritoneal tear (PT), Charlson comorbidity index, previous surgery, large hernial defects, presence of scrotal hernia, and the defect size of inguinal hernia. Multivariate analysis identified independent risk factors for conversion: large hernial defect, large PT, previous lower abdominal surgery, previous hernia surgery, and scrotal hernia.

CONCLUSION

Conversion is a minor complication seen during TEP and its incidence varies depending on many factors. Previous lower abdominal surgery and a large PT carries a 6-fold increased risk for conversion from laparoscopic to open surgery during TEP.

Laparoscopic transperitoneal hernia repair (TAPP) in emergency: long-term follow-up in a high volume centre

PURPOSE

Aim of this study was to analyse feasibility, safety and effectiveness of laparoscopic transperitoneal hernia repair (TAPP) approach to inguinal hernias in the emergency setting, with a longer follow-up than the studies present in literature.

METHODS

We retrospectively analysed all patients who underwent emergency TAPP hernia repair in San Marco Hospital (Zingonia, Italy), from September 2010 to June 2020. A prospectively collected database of 685 consecutive TAPP hernia repair was reviewed. Feasibility and safety were evaluated through operative time, conversion rate, perioperative mortality, morbidity and prosthesis infection rate. Effectiveness was assessed by recurrence and complication rate, acute (during admission) and chronic (during follow-up) pain by Visual Analogic Scale (VAS), and recovery to normal activity in a long-term follow-up (mean period 1718 days).

RESULTS

The final study group included 47 patients. The mean age was 59.6 years (range 22-89), 29 patients were male and 18 were female. The mean operation time was 64 min. Two cases were converted to open approach (4%). In four cases bowel resection became necessary (8.5%). Appendicectomy and omentectomy occurred once and twice, respectively (2% and 4%), and orchiectomy was required in two patients (4%). Seroma was the only postoperative complication that we registered in four patients. During a mean follow-up period of 1718 days, there was no recurrence of the hernia or other complications. Five patients referred mild occasional groin pain (VAS < 3), with quick relief without taking any pain killers.

CONCLUSION

TAPP approach is a safe, feasible and effective therapeutic option for groin hernias in emergency setting. No recurrence or severe complications were reported in over 4 years of follow-up.

Proctored preceptorship model for learning eTEP repair for inguinal hernia for general surgery residents

BACKGROUND

Enhanced-view total extra-peritoneal (eTEP) inguinal hernia repair is a technically demanding procedure with a steep learning curve.

AIM

Examine the feasibility and effectiveness of an instructor approach to teaching residents how to perform laparoscopic eTEP independently following a dedicated course of individual teaching.

METHODS

Prospective analysis of eTEP procedures performed by residents between March 2018 and September 2020. Six residents dispersed into three groups-Group A: two junior residents, Group B: two mid-level residents and Group C: two senior residents. All residents performed a unilateral IHR comprised of five core steps. Data reviewed for each procedure included the time of each step, total time and autonomy degree as assessment for every step: 1st degree-dependent (physical assistance), 2nd degree-partially dependent (vocal assistance) and 3rd degree-independent. Early and late procedures were divided at 50% of cases.

RESULTS

Participants performed 44 procedures (220 steps). Late procedures presented with a significant improvement in all degrees of autonomy (1st degree p = 0.002, 2nd degree p = 0.007 and 3rd degree p < 0.0001) and in every step (Step 1 p = 0.015, Step 2 p = 0.006, Step 3 p < 0.0001, Step 4 p < 0.0001, Step 5 p = 0.002). There was no significant difference in surgery duration between early and late procedures (p = 0.32). At early procedures, junior residents needed significantly higher rates of physical intervention (1st degree) compared to the senior residents (p = 0.004). Conversely, there was no significant difference in 2nd degree of autonomy (p = 0.46), 3rd degree (p = 0.06) and surgery duration (p = 0.16). The last three procedures performed by all participants had no significant difference between the seniority groups in autonomy (1st degree p = 0.1, 2nd degree p = 0.18 and 3rd degree p = 0.1).

CONCLUSION

Dedicated course with an individual instructor's approach is effective in achieving competence, autonomy and confidence in performing eTEP in a short time.

Robotic Direct Inguinal Hernia Repair: To Plicate or Not to Plicate?

BACKGROUND

Closure of the direct inguinal defect with plication in minimally invasive direct inguinal hernia repair may have potential benefits in terms of reducing postoperative surgical site events (SSEs) and recurrences. However, these advantages remain unclear, particularly in the robotic literature. This is the first comparative study to investigate the outcomes after robotic direct inguinal hernia repair (RDIHR) with defect plication.

MATERIALS AND METHODS

Among patients who underwent RIHR between 2013 and 2020, those who underwent RDIHR were selected. Patients were then stratified into 2 groups based on defect plication status, and univariate analyses were used to compare variables across preoperative, intraoperative, and postoperative timeframes.

RESULTS

A total of 225 RDIHRs were performed in 176 patients, where 74 were assigned to the Plication (+) group and 102 patients were assigned to the Plication (-) group. There was a significantly higher proportion of females in the Plication (-) group (10.8% vs. 1.4%, P=0.015), which accounts for the higher incidence of accompanying femoral hernias in this group. While most M1 hernia defects were left patent, most M2 and M3 hernias were plicated. Larger mesh sizes were used in the Plication (+) group (P<0.001). Three SSEs were observed in the Plication (-) group versus 2 SSEs in the Plication (+) group. No significant differences in postoperative outcomes were found between the 2 groups.

CONCLUSIONS

Postoperative seroma incidence, pain scores, and recurrence rates were similar between the 2 study groups. Multicenter studies with larger populations and higher complication counts are needed to establish the role of defect plication in RDIHR.

Why Spermatic Cord Lipomas Must be Treated as "True" Inguinal Hernias

Lipomas of the cord are common and generally associated with an indirect hernia sac, but not always, as the lipoma may be the only pathology identified during groin exploration. Missed lipoma of the spermatic cord is unfortunately not infrequent and may lead to persistence of post-operative groin pain, with confirmation of unresected cord lipoma on postoperative ultrasound, often necessitating reoperation.

We present an interesting case of a 40-years-old male with symptomatic re-recurrent left inguinal hernia following previous open and subsequent endoscopic totally extraperitoneal (TEP) mesh repair. At laparoscopy, the previously inserted extraperitoneal mesh seemed well integrated with no evidence of recurrent hernia sac. Further transabdominal preperitoneal (TAPP) approach identified a moderate-size cord lipoma that had been missed twice before. His postoperative recovery was uneventful, and his previous symptoms completely subsided.

This is of significant value as lipomas of the cord may sometimes represent the only source of chronic groin pain in patients with no other clinical findings. Consequently, they should be viewed and treated as “true” inguinal hernias as per the European Hernia Society (EHS).

During every inguinal hernia case, the surgeon must perform rigorous exploration of the inguinal canal, looking for any herniated adipose tissue that can be easily cleared by either reduction or resection. This is further supported by both the European Association of Endoscopic Surgery (EAES) and the International Endohernia Society (IEHS) who recommend an active search for spermatic cord lipomas in all laparo-endoscopic inguinal hernia repairs.

Inguinal hernia repair in Spain. A population-based study of 263,283 patients: factors associated with the choice of laparoscopic approach

PURPOSE

The objective of this study is to evaluate the laparoscopic inguinal hernia repair (IHR) rate in Spain and identify the factors associated with the choice of this surgical approach.

METHODS

A retrospective cohort study of 263,283 patients who underwent IHR from January 2016 to December 2018 was conducted. Data were extracted from the Spanish Minimum Basic Data Set (MBDS) of the Health Ministry database. The primary outcome was laparoscopic (LAP) rate utilization. Univariate analysis and multivariable logistic regression analysis were performed to identify factors associated with LAP-IHR.

RESULTS

Only 5.7% (15,059) patients underwent LAP-IHR, whereas the remnant 94.3% (248,224 patients) underwent open repair. High variability in the LAP-IHR rate across the country was observed; ranged between provinces from 0 to 19.7%, for a unilateral hernia, and between 0 to 57.4% in the case of bilateral hernias. On multivariate logistic regression analysis, the patient place of residence was the most remarkable factor associated with the likelihood of receiving LAP-IHR (OR 4.96; p < 0.001). There were also significant differences favoring LAP-IHR for bilateral operation (OR 4.596; p < 0.001), insurance coverage (OR 4.439, p < 0.001) and self-pay patients (OR 2.317; p < 0.001), as well as a recurrent hernia (OR 1.780; p < 0.001), age younger than 65 years (OR 1.555; p < 0.001) and male sex (OR 1.162, p < 0.001).

CONCLUSION

LAP-IHR remains a not frequent choice among surgeons in Spain, even when dealing with recurrent and bilateral hernias. The results suggest that the choice of LAP-IHR could depend on the surgeon's preference rather than on the indication appropriateness.

Trends in Emergent Groin Hernia Repair-An Analysis From the Herniamed Registry

Introduction: While the proportion of emergency groin hernia repairs in developed countries is 2.5–7.7%, the percentage in developing countries can be as high as 76.9%. The mortality rate for emergency groin hernia repair in developed countries is 1.7–7.0% and can rise to 6–25% if bowel resection is needed. In this present analysis of data from the Herniamed Registry, patients with emergency admission and operation within 24 h are analyzed.

Methods: Between 2010 and 2019 a total of 13,028 patients with emergency admission and groin hernia repairs within 24 h were enrolled in the Herniamed Registry. The outcome results were assigned to the year of repair and summarized as curves. The total patient collective is broken down into the subgroups with pre-operative manual reduction (taxis) of the hernia content, operative reduction of the hernia content without bowel resection and with bowel resection. The explorative Fisher's exact test was used for statistical assessment of significant differences with Bonferroni adjustment for multiple testing.

Results: The proportion of emergency admissions with groin hernia repair within 24 h was 2.7%. The percentage of women across the years was consistently 33%. The part of femoral hernias was 16%. The proportion of patients with pre-operative reduction (taxis) remained unchanged at around 21% and the share needing bowel resection was around 10%. The proportion of TAPP repairs rose from 21.9% in 2013 to 38.0% in 2019 (p < 0.001). Between the three groups with pre-operative taxis, without bowel resection and with bowel resection, highly significant differences were identified between the patients with regard to the rates of post-operative complications (4% vs. 6.5% vs. 22.7%; p < 0.0001), complication-related reoperations (1.9% vs. 3.8% vs. 17.7%; p < 0.0001), and mortality rate (0.3% vs. 0.9% vs. 7.5%; p < 0.001). In addition to emergency groin hernia repair subgroups female gender and age ≥66 years are unfavorable influencing factors for perioperative outcomes.

Conclusion: For patients with emergency groin hernia repair the need for surgical reduction or bowel resection, female gender and age ≥66 years have a highly significantly unfavorable influence on the perioperative outcomes.

Inguinal Hernias in Cirrhotic Patients: From Diagnosis to Treatment

Cirrhosis has a strong association with abdominal wall hernias, especially in the presence of concomitant ascites. Major predisposing factors for hernia formation in this particular group of patients include increased intra-abdominal pressure and decreased muscle mass due to poor nutrition. Management of these patients is highly challenging and requires an experienced multidisciplinary surgical and medical approach. The aim of our review is to clarify crucial diagnostic and management approaches. Crucial medical and technical issues on this topic are widely discussed with special focus on indication, timing, and type of surgical repair, with an additional reference to the actual role of laparoscopy.

If laparoscopic technique can be used for treatment of acutely incarcerated/strangulated inguinal hernia?

Purpose

Laparoscopic treatment for acutely incarcerated/strangulated inguinal hernias is uncommon and controversial. In the present study, we assessed the safety and feasibility of transabdominal preperitoneal (TAPP) repair for the treatment of acutely incarcerated/strangulated inguinal hernias.

Methods

Patients with acutely incarcerated/strangulated inguinal hernias who underwent TAPP repair at the Department of Hernia and Abdominal Wall Surgery (Beijing Chaoyang Hospital) from January 2017 to December 2019 were retrospectively reviewed. Patients’ characteristics, operation details, and postoperative complications were retrospectively analyzed.

Results

In total, 94 patients with acutely incarcerated/strangulated inguinal hernias underwent TAPP repair. The patients comprised 85 men and 9 women (mean age, 54.3 ± 13.6 years; mean operating time, 61.6 ± 17.7 min; mean hospital stay, 3.9 ± 2.2 days). No patients were converted to open surgery. Hernia reduction was successfully performed in all patients. The morbidity of complications was 20.2% (19/94). Two bowel resections were performed endoscopically. Nine (9.6%) patients avoided unnecessary bowel resections during laparoscopic procedures. All patients recovered well without severe complications. No recurrence or infection was recorded during a mean follow-up period of 26.8 ± 9.8 months.

Conclusions

TAPP appears to be safe and feasible for treatment of patients with acutely incarcerated/strangulated inguinal hernias. However, it requires performed by experienced surgeons in laparoscopic techniques.

Comparative perioperative and 5-year outcomes of robotic and laparoscopic or open inguinal hernia repair: a study of 153,727 patients in the state of New York

OBJECTIVE

This study aimed to examine the perioperative outcomes of robotic inguinal hernia repair as compared to the open and laparoscopic approaches utilizing large-scale population-level data.

METHODS

This study was funded by the SAGES Robotic Surgery Research Grant (2019). The New York Statewide Planning and Research Cooperative System (SPARCS) administrative database was used to identify all adult patients undergoing initial open (O-IHR), laparoscopic (L-IHR), and robotic (R-IHR) inguinal hernia repair between 2010 and 2016. Perioperative outcome measures [complications, length of stay (LOS), 30-day emergency department (ED) visits, 30-day readmissions] and estimated 1/3/5-year recurrence incidences were compared. Propensity score (PS) analysis was used to estimate marginal differences between R-IHR and L-IHR or O-IHR, using a 1:1 matching algorithm.

RESULTS

During the study period, a total of 153,727 patients underwent inguinal hernia repair (117,603 [76.5%] O-IHR, 35,565 [23.1%] L-IHR; 559 [0.36%] R-IHR) in New York state. Initial univariate analysis found R-IHR to have longer LOS (1.74 days vs. 0.66 O-IHR vs 0.19 L-IHR) and higher rates of overall complications (9.3% vs. 3.6% O-IHR vs 1.1% L-IHR), 30-day ED visits (11.6% vs. 6.1% O-IHR vs. 4.9% L-IHR), and 30-day readmissions (5.6% vs. 2.4% O-IHR vs. 1.2% L-IHR) (p < 0.0001). R-IHR was associated with higher recurrence compared to L-IHR. Following PS analysis, there were no differences in perioperative outcomes between R-IHR and L-IHR, and the difference in recurrence was found to be sensitive to possible unobserved confounding factors. R-IHR had significantly lower risk of complications (Risk difference - 0.09, 95% CI [- 0.13, - 0.056]; p < 0.0001) and shorter LOS (Ratio 0.53, 95% CI [0.45, 0.62]; p < 0.0001) compared to O-IHR.

CONCLUSION

In adult patients, R-IHR may be associated with comparable to more favorable 30-day perioperative outcomes as compared with L-IHR and O-IHR, respectively.

Laparoscopic repair of inguinal hernia: retrospective comparison of TEP and TAPP procedures in a tertiary referral center

BACKGROUND

The technical evolution of hernia repair has brought to the introduction of laparoscopy in this field. The most common laparoscopic techniques are transabdominal preperitoneal (TAPP) repair and totally extraperitoneal (TEP) repair. Indirect comparisons between TAPP and TEP have raised questions as to which is the superior approach in improving patient outcomes; however, there is still a scarcity of data directly comparing these laparoscopic approaches. The aim of this report is to offer a retrospective comparison between the two techniques with a long-term follow-up.

METHODS

This study is a retrospective comparative study, comparing TEP and TAPP in the treatment of groin hernias. All patients undergoing laparoscopic hernia repair from 2015 and 2020 at a large UK Hospital Trust with tertiary referral center, were considered as eligible for inclusion. The primary endpoint was rate of successful surgery defined as absence of recurrence and chronic pain at the end of the follow-up. Secondary endpoints were conversion rate (the switch from TEP to TAPP was considered as a conversion for the index procedure), need for admission, readmission rate, serious adverse events (including visceral injuries and vascular injuries), rate of persisting pain at the end of follow-up, operative time and overall complications rate (hematoma, seroma, wound/superficial infection, mesh/deep infection, port site hernia).

RESULTS

Of the patients included in the study who underwent laparoscopic repair of inguinal hernia between 2015 and 2020, 140 (55.1%) underwent TEP and 114 (44.9%) had TAPP repair. The mean operative time did not differ between the two groups (P=0.202). The conversion rate was nil. The two procedures did not differ for intraoperative and postoperative complications. The length of hospital stay was significantly longer in the TAPP group (P<0.0001). The overall recurrence rate was 2.4%. and did not differ between the two groups. Costs were acquired from the clinical coding department. Mean costs were measured in pounds sterling and a significant difference was noted between the two groups (P=0.083). In the short term, the most common complication was seroma formation and was significantly more frequent in the TAPP group (P<0.001). In the long term, chronic pain was the most frequent complication in both groups and significant correlated when the operation performed for recurrent hernia, whereas the hernia Type 3 was a factor that which influenced recurrence.

CONCLUSIONS

In conclusion, TAPP and TEP have similar, overall complication risks, postoperative acute and chronic pain incidence and recurrence rates. Since TAPP and TEP have comparable outcomes it is recommended that the choice of the technique should be based on the surgeon's skills, education, and experience.

Spermatic Cord Lipoma-A Review of the Literature

Introduction: A spermatic cord lipoma is found in 20–70% of all inguinal hernia repairs. The clinical picture of an inguinal hernia with bulging and pain but without an actual indirect hernia sac may become manifest in up to 8% of these cases. Missed spermatic cord lipoma can result in recurrence or pseudo-recurrence. This review presents the relevant literature on this topic.

Materials and Methods: A systematic search of the available literature was performed in February 2020 using Medline, PubMed, Google Scholar, Scopus, Embase, Springer Link, and the Cochrane Library, as well as a search of relevant journals and reference lists. Forty-two publications were identified as relevant for this topic.

Results: Spermatic cord lipoma seems to originate from preperitoneal fatty tissue within the internal spermatic fascia in topographical proximity to the arteries, veins, lymphatics, nerves, and deferent duct within the spermatic cord. Reliable diagnosis cannot be made clinically, but rather with ultrasound, CT, or MRI. In the absence of a real hernia sac, a spermatic cord lipoma is classified as a lateral inguinal hernia with a defect size <1.5 cm according to the European Hernia Society (EHS LI). Missed or inadequately treated spermatic cord lipoma results in recurrence or pseudo-recurrence. Since spermatic cord lipoma obtains its vascular supply from the preperitoneal space, it can be reduced or resected.

Conclusion: Spermatic cord lipoma is a common finding in inguinal hernia repairs and must be properly diagnosed and treated with care respecting the anatomy of the spermatic cord.

Surgical Procedures and Results of Modified Intraperitoneal Onlay Mesh Repair for Inguinal Hernia After Radical Prostatectomy

Background: Although inguinal hernia occurs frequently after radical prostatectomy, transabdominal preperitoneal (TAPP) inguinal hernia repair occasionally poses challenges due to fibrosis of the preperitoneal cavity. In patients with severe intrapelvic fibrosis, we have adopted a modified intraperitoneal onlay mesh (IPOM) technique. The surgical factors were compared between patients who underwent modified IPOM and those who underwent TAPP for inguinal hernia repair. Materials and Methods: In total, 57 patients underwent laparoscopic surgery for inguinal hernias after radical prostatectomy between February 2013 and January 2020. TAPP was successfully completed in 44 patients, whereas 13 patients underwent modified IPOM converted from TAPP. The surgical results were retrospectively compared. Results: The median follow-up duration was 36.0 months (range, 1-84 months). Intraoperative complications, recurrence of hernia, and chronic pain were not observed in both groups. The average duration of surgery in the modified IPOM group was longer than that in the TAPP group (137 versus 107 minutes, P < .05). There was no significant difference in the incidence of the inguinal-related complications such as inguinal pain or inguinal swelling. Conclusions: Postoperative complications including recurrence of hernia after modified IPOM are comparable to those after TAPP hernia repair. Modified IPOM repair is a surgical option for repairing inguinal hernias following radical prostatectomy.

Consensus on international guidelines for management of groin hernias

BACKGROUND

Groin hernia management has a significant worldwide diversity with multiple surgical techniques and variable outcomes. The International guidelines for groin hernia management serve to help in groin hernia management, but the acceptance among general surgeons remains unknown. The aim of our study was to gauge the degree of agreement with the guidelines among health care professionals worldwide.

METHODS

Forty-six key statements and recommendations of the International guidelines for groin hernia management were selected and presented at plenary consensus conferences at four international congresses in Europe, the America's and Asia. Participants could cast their votes through live voting. Additionally, a web survey was sent out to all society members allowing online voting after each congress. Consensus was defined as > 70% agreement among all participants.

RESULTS

In total 822 surgeons cast their vote on the key statements and recommendations during the four plenary consensus meetings or via the web survey. Consensus was reached on 34 out of 39 (87%) recommendations, and on six out of seven (86%) statements. No consensus was reached on the use of light versus heavy-weight meshes (69%), superior cost-effectiveness of day-case laparo-endoscopic repair (69%), omitting prophylactic antibiotics in hernia repair, general or local versus regional anesthesia in elderly patients (55%) and re-operation in case of immediate postoperative pain (59%).

CONCLUSION

Globally, there is 87% consensus regarding the diagnosis and management of groin hernias. This provides a solid basis for standardizing the care path of patients with groin hernias.

Insight into the methodology and uptake of EAES guidelines: a qualitative analysis and survey by the EAES Consensus & Guideline Subcommittee

BACKGROUND

Over the past 25 years, the European Association for Endoscopic Surgery (EAES) has been issuing clinical guidance documents to aid surgical practice. We aimed to investigate the awareness and use of such documents among EAES members. Additionally, we conceptually appraised the methodology used in their development in order to propose a bundle of actions for quality improvement and increased penetration of clinical practice guidelines among EAES members.

METHODS

We invited members of EAES to participate in a web-based survey on awareness and use of these documents. Post hoc analyses were performed to identify factors associated with poor awareness/use and the reported reasons for limited use. We further summarized and conceptually analyzed key methodological features of clinical guidance documents published by EAES.

RESULTS

Three distinct consecutive phases of methodological evolvement of clinical guidance documents were evident: a "consensus phase," a "guideline phase," and a "transitional phase". Out of a total of 254 surgeons who completed the survey, 72% percent were aware of EAES guidelines and 47% reported occasional use. Young age and trainee status were associated with poor awareness and use. Restriction by colleagues was the primary reason for limited use in these subgroups.

CONCLUSIONS

The methodology of EAES clinical guidance documents is evolving. Awareness among EAES members is fair, but use is limited. Dissemination actions should be directed to junior surgeons and trainees.

Influencing Factors on the Outcome in Female Groin Hernia Repair: A Registry-based Multivariable Analysis of 15,601 Patients

OBJECTIVE

Based on an analysis of data from the Herniamed Registry, this study aims to identify all factors influencing the outcome in female groin hernia repair.

BACKGROUND

In a systematic review and meta-analysis of observational studies, female sex was found to be a significant risk factor for recurrence. In the guidelines, the totally extraperitoneal patch plasty (TEP) and transabdominal preperitoneal patch plasty (TAPP) laparo-endoscopic techniques are recommended for female groin hernia repair. However, even when complying with the guidelines, a less favorable outcome must be expected than in men. To date, there is no study in the literature for analysis of all factors influencing the outcome in female groin hernia repair.

METHODS

In all, 15,601 female patients from the Herniamed Registry who had undergone primary unilateral groin hernia repair with the Lichtenstein, Shouldice, TEP or TAPP technique, and for whom 1-year follow-up was available, were selected between September 1, 2009 and July 1, 2017. Using multivariable analyses, influencing factors on the various outcome parameters were identified.

RESULTS

In the multivariable analysis, a significantly higher risk of postoperative complications, complication-related reoperations, recurrences, and pain on exertion was found only for the Lichtenstein technique. No negative influence on the outcome was identified for the TEP, TAPP, or Shouldice techniques. Relevant risk factors for occurrence of perioperative complications, recurrences, and chronic pain were preoperative pain, existing risk factors, larger defects, a higher body mass index (BMI), higher American Society of Anesthesiologists (ASA) classification and postoperative complications. Higher age had a negative association with postoperative complications and positive association with pain rates.

CONCLUSIONS

Female groin hernia repair should be performed with the TEP or TAPP laparo-endoscopic technique, or, alternatively, with the Shouldice technique, if there is no evidence of a femoral hernia. By contrast, the Lichtenstein technique has disadvantages in terms of postoperative complications, recurrences, and pain on exertion. Important risk factors for an unfavorable outcome are preoperative pain, existing risk factors, higher ASA classification, higher BMI, and postoperative complications. A higher age and larger defects have an unfavorable impact on postoperative complications and a more favorable impact on chronic pain.

The reality of general surgery training and increased complexity of abdominal wall hernia surgery

INTRODUCTION

The Accreditation and Certification of Hernia Centers and Surgeons (ACCESS) Group of the European Hernia Society (EHS) recognizes that there is a growing need to train specialist abdominal wall surgeons. The most important and relevant argument for this proposal and statement is the growing acceptance of the increasing complexity of abdominal wall surgery due to newer techniques, more challenging cases and the required 'tailored' approach to such surgery. There is now also an increasing public awareness with social media, whereby optimal treatment results are demanded by patients. However, to date the complexity of abdominal wall surgery has not been properly or adequately defined in the current literature.

METHODS

A systematic search of the available literature was performed in May 2019 using Medline, PubMed, Scopus, Embase, Springer Link, and the Cochrane Library, with 75 publications identified as relevant. In addition, an analysis of data from the Herniamed Hernia Registry was performed. The percentage of patients with hernia- or patient-related characteristics which unfavorably impacted the outcome of inguinal and incisional hernia repair was also calculated.

RESULTS

All present guidelines for abdominal wall surgery recommend the utilization of a 'tailored' approach. This relies on the prerequisite that any surgical technique used has already been mastered, as well as the recognized learning curves for each of the several techniques that can be used for both inguinal hernia (Lichtenstein, TEP, TAPP, Shouldice) and incisional hernia repairs (laparoscopic IPOM, open sublay, open IPOM, open onlay, open or endoscopic component separation technique). Other hernia- and patient-related characteristics that have recognized complexity include emergency surgery, obesity, recurrent hernias, bilateral inguinal hernias, groin hernia in women, scrotal hernias, large defects, high ASA scores, > 80 years of age, increased medical risk factors and previous lower abdominal surgery. The proportion of patients with at least one of these characteristics in the Herniamed Hernia Registry in the case of both inguinal and incisional hernia is noted to be relatively high at around 70%. In general surgery training approximately 50-100 hernia repairs on average are performed by each trainee, with around only 25 laparo-endoscopic procedures.

CONCLUSION

A tailored approach is now employed and seen more so in hernia surgery and this fact is referred to and highlighted in the contemporaneous hernia guidelines published to date. In addition, with the increasing complexity of abdominal wall surgery, the number of procedures actually performed by trainees is no longer considered adequate to overcome any recognized learning curve. Therefore, to supplement general surgery training young surgeons should be offered a clinical fellowship to obtain an additional qualification as an abdominal wall surgeon and thus improve their clinical and operative experience under supervision in this field. Practicing general surgeons with a special interest in hernia surgery can undertake intensive further training in this area by participating in clinical work shadowing in hernia centers, workshops and congresses.

Lichtenstein Versus Total Extraperitoneal Patch Plasty Versus Transabdominal Patch Plasty Technique for Primary Unilateral Inguinal Hernia Repair: A Registry-based, Propensity Score-matched Comparison of 57,906 Patients

OBJECTIVE

Outcome comparison of the Lichtenstein, total extraperitoneal patch plasty (TEP), and transabdominal patch plasty (TAPP) techniques for primary unilateral inguinal hernia repair.

BACKGROUND

For comparison of these techniques the number of cases included in meta-analyses of randomized controlled trials is limited. There is therefore an urgent need for more comparative data.

METHODS

In total, 57,906 patients with a primary unilateral inguinal hernia and 1-year follow up from the Herniamed Registry were selected between September 1, 2009 and February 1, 2015. Using propensity score matching, 12,564 matched pairs were formed for comparison of Lichtenstein versus TEP, 16,375 for Lichtenstein versus TAPP, and 14,426 for TEP versus TAPP.

RESULTS

Comparison of Lichtenstein versus TEP revealed disadvantages for the Lichtenstein operation with regard to the postoperative complications (3.4% vs 1.7%; P < 0.001), complication-related reoperations (1.1% vs 0.8%; P = 0.008), pain at rest (5.2% vs 4.3%; P = 0.003), and pain on exertion (10.6% vs 7.7%; P < 0.001). TEP had disadvantages in terms of the intraoperative complications (0.9% vs 1.2%; P = 0.035). Likewise, comparison of Lichtenstein versus TAPP showed disadvantages for the Lichtenstein operation with regard to the postoperative complications (3.8% vs 3.3%; P = 0.029), complication-related reoperations (1.2% vs 0.9%; P = 0.019), pain at rest (5% vs 4.5%; P = 0.029), and on exertion (10.2% vs 7.8%; P < 0.001).

CONCLUSIONS

TEP and TAPP were found to have advantages over the Lichtenstein operation.

Lightweight mesh versus heavyweight mesh for laparo-endoscopic inguinal hernia repair: a systematic review and meta-analysis

PURPOSE

This study aimed to determine if the prognoses of inguinal hernia patients improved with the application of lightweight mesh (LWM).

METHODS

Medline, Embase, and Cochrane library were searched for randomized controlled trails related to laparo-endoscopic inguinal hernia repair with different prosthetic meshes. Data were extracted and analyzed using the guidelines of the Cochrane handbook. The primary endpoints were recurrence and chronic postoperative inguinal pain. The second endpoints encompassed acute postoperative pain, foreign body sensation, seroma, infection, and numbness. Data were processed using Review Manager 5.3.

RESULTS

The heavyweight mesh (HWM) had a distinctive advantage for recurrence (RR 2.30; 95% CI 1.21-4.38; P = 0.01), with comparable results for postoperative pain (RR 0.91; 95% CI 0.37-2.22; P = 0.83), foreign body sensation (RR 1.18; 95% CI 0.91-1.51; P = 0.21), seroma(RR 0.87; 95% CI 0.75-1.01; P = 0.06), infection (RR 0.85; 95% CI 0.31-2.34; P = 0.75), and numbness, compared to LWM.

CONCLUSION

HWM had a distinctive advantage over LWM with regard to recurrence. The two types of prosthetic meshes had equivalent outcomes for postoperative pain, seroma, foreign body sensation, infection, and numbness. Studies focused on defect sizes and fixation methods are warranted for further stratification.

Laparoscopic bilateral groin hernia repair with one large self-fixating mesh: prospective observational study with patient-reported outcome of urological symptoms and EuraHS-QoL scores

BACKGROUND

Laparoscopic bilateral inguinal hernia repair may be completed with one large self-fixating mesh crossing the midline. No studies have investigated in detail whether preperitoneal mesh placement induces temporary or more lasting urinary symptoms.

METHODS

Urinary and hernia-related symptoms were evaluated preoperatively and postoperatively at 1, 3 and 12 months using the ICIQ-MLUTS questionnaire and EuraHS-QoL score in patients undergoing bilateral inguinal hernia repair.

RESULTS

One hundred patients were included. Voiding symptoms and bother scores were unchanged at 1 or 3 months, but there was significant improvement at 12 months compared with preoperative findings (symptoms P < 0.001; bother score P < 0.01). Incontinence symptoms improved at 1 month (P < 0.05) but not at 3 or 12 months, with a bother score significantly improved at 1 month (P < 0.01) and 12 months (P < 0.01). Diurnal and nocturnal frequency did not change significantly postoperatively, but 12 months nocturnal bother score was decreased (P < 0.05). EuraHS-QoL scores showed statistical significant improvement in all three domains for all measurements at the different follow-up moments compared to previous measurements. Postoperative symptoms were improved at 12 months, compared with preoperative pain scores (- 6.1), restriction of activity (- 10.1) and cosmetic scores (- 4.7) These findings were statistically significant (P < 0.001). At 12 months, there were no patients with severe discomfort (score ≥ 5) for any of the three domains. No recurrences were diagnosed with 95% clinical follow-up at 12 months.

CONCLUSION

Laparoscopic bilateral groin hernia repair with one large preperitoneal self-fixating mesh did not cause new urinary symptoms and demonstrated significant improvement in voiding symptoms at 12 months. Incontinence and nocturnal bother score were significantly improved.

CLINICAL TRIAL REGISTRY IDENTIFIER

Clinical.Trials.gov: NCT02525666.

[Endoscopic surgery and laparoscopy are new insights of evolution of inguinal hernia repair (in Russian only)]

This article is devoted to general and particular problems of inguinal hernia repair through the analysis of statistical data and comparison of advantages and disadvantages of various methods of inguinal hernia repair. Particular attention is paid to the analysis of current options of mesh implant fixing during endoscopic hernia repair: TAPP, TER, e-TER. Long-term outcomes are essential to determine surgical technique. The authors consider that careful adherence to the basic principles of minimally invasive surgery can reduce the incidence of complications, recurrences and chronic pain syndrome after inguinal hernia repair. The main advantages of current surgical technologies are accelerated rehabilitation, earlier restoration of social activity, improvement of the quality of life.

Chronic pain after two laparoendoscopic inguinal hernia repairs compared with laparoendoscopic repair followed by the Lichtenstein repair: an international questionnaire study

BACKGROUND

The best repair of a recurrent inguinal hernia after primary laparoendoscopic repair is debatable. The aim was to assess chronic pain after two laparoendoscopic repairs in the same groin compared with Lichtenstein reoperation preceded by a laparoendoscopic repair.

METHODS

This cohort study included adult patients who had received two laparoendoscopic repairs (Lap-Lap) or a laparoendoscopic repair followed by the Lichtenstein repair (Lap-Lich). Eligible patients were identified in the Danish and the Swedish hernia databases. Lap-Lap was matched 1:3 with Lap-Lich, and patients were sent validated questionnaires. The primary outcome was the proportion with chronic pain-related functional impairment, compared between the two groups. Secondary outcomes included chronic pain during various activities.

RESULTS

In total, 74% (546 patients) responded to the questionnaires with a median follow-up since the second repair of 4.9 years (0.9-21.9 years). Regarding the primary outcome, 21% in Lap-Lap and Lap-Lich had chronic pain-related functional impairment of daily activities (p = 0.94). More patients in Lap-Lap compared with Lap-Lich reported pain ≥ 20 mm measured by the visual analog scale, 11% versus 5%, p = 0.04. However, there was no difference in the median VAS score or in the vast majority of the remaining secondary outcomes.

CONCLUSIONS

There was no overall difference in chronic pain between patients who had received Lap-Lap compared with Lap-Lich. Choice of operative strategy for the second repair should, therefore, not be based on risk of chronic pain.

TEP for elective primary unilateral inguinal hernia repair in men: what do we know?

INTRODUCTION

Based on the new international guidelines for groin hernia management, there is no one surgical technique that is suited to all patient characteristics and diagnostic findings. Therefore, a tailored approach should be used. Here, a distinction must be made between primary unilateral inguinal hernia in men and in women, bilateral inguinal hernia, scrotal inguinal hernia, inguinal hernia following pelvic and lower abdominal procedures, patients with severe cardiopulmonary complications, recurrent inguinal hernias and incarcerated inguinal and femoral hernias. This paper now explores the relevant studies on TEP for elective primary unilateral inguinal hernia in men, which constitutes the most common indication for repair.

MATERIAL

A systematic search of the available literature was performed in February 2019 using Medline, PubMed, Scopus, Embase, Springer Link and the Cochrane Library. Only meta-analyses, systematic reviews, RCTs and comparative registry studies were considered. 117 publications were identified as relevant.

RESULTS

RCTs and comparative registry analyses demonstrated the advantages of TEP with regard to postoperative complications, complication-related reoperations, and postoperative and chronic pain compared with Lichtenstein repair for elective primary unilateral inguinal hernia repair in men. No relevant differences were found compared with TAPP. Mesh fixation is not needed in TEP, but heavyweight meshes result in a lower recurrence rate. Extraperitoneal bupivacaine analgesia vs placebo does not demonstrate any advantages, but drainage is advantageous for seroma prophylaxis. The risk of chronic pain is negatively influenced by small defects, younger patient age, preoperative pain, higher BMI, postoperative complications, higher ASA score and risk factors.

CONCLUSION

For the subgroup of elective primary unilateral inguinal hernia in men, accounting for a proportion of less than 50% of the total collective, advantages were identified for TEP compared with open Lichtenstein repair but not versus TAPP.

Accreditation and certification requirements for hernia centers and surgeons: the ACCESS project

INTRODUCTION

There is a need for hernia centers and specialist hernia surgeons because of the increasing complexity of hernia surgery procedures due to new techniques, more difficult cases and a tailored approach with an increasing public awareness demanding optimal treatment results. Therefore, the requirements for accredited/certified hernia centers and specialist hernia surgeons should be formulated by the international and national hernia societies, while taking account of the respective health care systems.

METHODS

The European Hernia Society (EHS) has appointed a working group composed of 18 hernia experts from all regions of Europe (ACCESS Group-Hernia Accreditation and Certification of Centers and Surgeons-Working Group) to formulate scientifically based requirements for hernia centers and specialist hernia surgeons while taking into consideration different health care systems. A consensus was reached on the key questions by means of a meeting, a telephone conference and the exchange of contributions. The requirements formulated below were deemed implementable by all participating hernia experts in their respective countries.

RESULTS

The ACCESS Group suggests for an adequately equipped hernia center the following requirements: (a) to be accredited/certified by a national or international hernia society, (b) to perform a higher case volume in all types of hernia surgery compared to an average general surgery department in their country, (c) to be staffed by experienced hernia surgeons who are beyond the learning curve for all types of hernia surgery recommended in the guidelines and are responsible for education and training of hernia surgery in their department, (d) to treat hernia patients according to the current guidelines and scientific recommendations, (e) to document each case prospectively in a registry or quality assurance database (f) to perform follow-up for comparison of their own results with benchmark data for continuous improvement of their treatment results and ensuring contribution to research in hernia treatment. To become a specialist hernia surgeon, the ACCESS Group suggests a general surgeon to master the learning curve of all open and laparo-endoscopic hernia procedures recommended in the guidelines, perform a high caseload and additionally to implement and fulfill the other requirements for a hernia center.

CONCLUSION

Based on the above requirements formulated by the European Hernia Society for accredited/certified hernia centers and hernia specialist surgeons, the national and international hernia societies can now develop their own programs, while taking account of their specific health care systems.

Mesh-related visceral complications following inguinal hernia repair: an emerging topic

The use of meshes in inguinal hernia repair (IHR) has gained popularity but new complications have been observed. Mesh-related visceral complications (MRVCs) are generally considered rare and hence are not studied in depth. We carried out a thorough literature search and collected 101 clinical reports published from 1992 to 2018. The reported complications seem to have tripled in the last decade. Ninety-seven cases met the inclusion criteria and they were subdivided into four groups (group A-onlay IHR, group B-3-D IHR, group C-preperitoneal IHR, group D-laparoscopic IHR) to be analyzed, according to the herniorraphy technique. Every prosthetic IHR can be followed by MRVCs but, according to the present review, the highest incidence is related to laparoscopic repairs, the lowest to Lichtenstein technique. Time-to-event was shorter in case of preperitoneal position of the prosthesis than when the mesh was implanted over the transversalis fascia. Urinary bladder involvement predominantly occurred after laparosopic IHR. A pathogenic correlation between the most frequently complained clinical signs and the previous mesh herniorraphy was rarely reported. The diagnosis was generally made at laparotomy, which was usually performed as an emergency. Removing the infected mesh and resecting or suture repairing the involved viscera was the challenging surgical treatment. Prevention of MRVCs after inguinal hernia repair appears to be an important significant issue. It is important to pay attention to the choice of a proper implantation site, avoiding direct contact between the mesh and viscera, and to select a proper device.