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BACKGROUND: A contralateral occult inguinal hernia is frequently observed in patients planned for a unilateral laparoscopic inguinal hernia repair. Surgical strategy for contralateral groin management in patients scheduled for an endo-laparoscopic unilateral inguinal hernia repair is controversial and based on questionable evidence. This study aimed to gather international opinion concerning the surgical strategy for the contralateral asymptomatic side when no hernia or lipoma is clinically evident at the preoperative examination or anamnesis.METHODS: An international Internet-based questionnaire was sent to all the members of the European Hernia Society, the Americas Hernia Society, and the Asia Pacific Hernia Society. The clinical scenario for responders was a patient with a unilateral symptomatic inguinal hernia planned for endo-laparoscopic repair with no preoperative symptoms/lump on the contralateral side.RESULTS: A total of 640 surgeons replied (response rate = 26%), of whom 506 were included for analysis. Most surgeons had performed > 300 repairs. The preferred surgical technique was evenly distributed between laparoscopic total extraperitoneal repair and laparoscopic transabdominal preperitoneal repair. In total, 54% preferred to implant a prophylactic mesh on the contralateral side when an occult hernia was found, 47% when a lipoma was found, and 6% when no occult hernia/lipoma was identified.CONCLUSION: Mesh implementation was preferred by half of the endo-laparoscopic hernia surgeons for a contralateral occult hernia and/or lipoma. Although not supported by strong evidence, mesh implantation on the asymptomatic contralateral side might be cost-effective and perhaps beneficial in the long term but could be offset by increased risk of chronic pain and sexual dysfunction.

Aim: Low anterior resection syndrome (LARS) is common after low anterior resection. Our aim was to evaluate the prevalence and ‘bother’ (subjective, symptom-associated distress) of major LARS after 1 and 2 years, identify possible risk factors and relate the bowel function to a reference population. Method: The QoLiRECT (Quality of Life in RECTal cancer) study is a Scandinavian prospective multicentre study including 1248 patients with rectal cancer, of whom 552 had an anterior resection. Patient questionnaires were distributed at diagnosis and after 1, 2 and 5 years. Data from the baseline and at 1- and 2-year follow-up were included in this study. Results: The LARS score was calculated for 309 patients at 1 year and 334 patients at 2 years. Prevalence was assessed by a generalized linear mixed effects model. Major LARS was found in 63% at 1 year and 56% at 2 years. Bother was evident in 55% at 1 year, decreasing to 46% at 2 years. Major LARS was most common among younger women (69%). Among younger patients, only marginal improvement was seen over time (63–59%), for older patients there was more improvement (62–52%). In the reference population, the highest prevalence of major LARS-like symptoms was noted in older women (12%). Preoperative radiotherapy, defunctioning stoma and tumour height were found to be associated with major LARS. Conclusion: Major LARS is common and possibly persistent over time. Younger patients, especially women, are more affected, and perhaps these patients should be prioritized for early stoma closure to improve the chance of a more normal bowel function.

BACKGROUND: The objective of the study was to analyse patient-reported outcome measures (PROMs), seroma formation, long-term recurrence and chronic pain after closure of the fascial defect in patients undergoing laparoscopic umbilical hernia mesh repair.METHODS: This was a randomized double-blinded trial in patients undergoing elective laparoscopic umbilical hernia repair comparing sutured closure of the fascial defect before intraperitoneal onlay mesh (IPOM) repair with a no-closure IPOM repair. Postoperative pain, movement limitations, discomfort and fatigue were registered before surgery and on postoperative days 1-3, 7 and 30. Seroma formation, quality of life and cosmesis were assessed at day 30, and at 2 years of follow-up. Recurrence (clinical and reoperation) and chronic pain were assessed after 2 years.RESULTS: Eighty patients were randomized. Median defect sizes in closure and no-closure groups were 2·5 (range 1·5-4·0) and 2·5 (2·0-5·5) cm respectively (P = 0·895). There were no significant differences in early and late postoperative pain or in any other early or late PROMs, except for early fatigue which was higher in the closure group (P = 0·011). Seroma formation after 30 days was significantly reduced after closure (14 of 40; 35 (95 per cent c.i. 22 to 51) per cent) compared with no closure (22 of 38; 58 (42 to 72) per cent) (P = 0·043). Cumulative recurrence after 2 years was lower in the closure group: 5 of 36 (7 (3 to 17) per cent) versus 12 of 37 (19 (10 to 33) per cent) for no closure (P = 0·047).CONCLUSION: Closure of the fascial defect in laparoscopic umbilical hernia IPOM repair significantly reduced early seroma formation and long-term recurrence without inducing side-effects such as pain, or other early or late PROMs. Registration number: NCT01962480 ( https://www.clinicaltrials.gov).

BACKGROUND: Identification of suboptimal mesh products is essential to improve the outcome after hernia surgery. This study investigated whether a national clinical database combined with administrative registries may serve as a tool for postmarketing evaluation of mesh products for hernia surgery.METHODS: This was a propensity score-matched case-control cohort study comparing outcomes in patients undergoing laparoscopic incisional hernia repair with either one particular mesh or any other synthetic mesh. Data on patients registered in the Danish Ventral Hernia Database between 2010 and 2016 were combined with administrative data from the Danish National Patient Registry. The primary outcome was operation for recurrence. Secondary outcomes were 30-day readmission, 30-day reoperation for complications (excluding hernia recurrence), and mortality after 30 and 90 days.RESULTS: In total, 740 patients who underwent repair with one particular mesh were matched with 1479 patients who received any other synthetic mesh. The rate of repair for hernia recurrence was significantly higher in the particular mesh group than in the reference group: 12·8 versus 6·3 per cent respectively (hazard ratio 2·09, 95 per cent c.i. 1·57 to 2·79; P < 0·001). Use of the particular mesh increased the risk of readmission (odds ratio (OR) 1·53, 1·16 to 2·01; P = 0·002) and reoperation for a complication (OR 1·60, 1·03 to 2·47, P = 0·030). No difference in mortality was found.CONCLUSION: Clinical registries with prospectively collected data can provide long-term surveillance of commercial mesh. Laparoscopic incisional hernia repair with one particular mesh was associated with an increased rate of short-term complications and double the risk of repair for recurrence.

Background: Long-term clinical outcome after a recurrent inguinal hernia repair may be associated with the type of repair, that is, laparoscopic or open. The results from previous randomised controlled trials are inconclusive regarding the long-term risk of re-recurrence chronic pain. Accordingly, this trial compared laparoscopic transabdominal preperitoneal repair (TAPP) with Lichtenstein’s repair. The primary outcome was repair for a re-recurrence. The secondary outcome was chronic pain. Methods: Multi-centre single-blinded, randomised trial on TAPP vs Lichtenstein’s repair in male patients operated for a recurrent inguinal hernia after a primary open inguinal hernia repair. Follow-up for repair for a re-recurrence was registered in the Danish Hernia Database. Prospective follow-up data were achieved by a structured questionnaire on pain-related functional impairment using the Activities Assessment Scale (AAS-pain). Result: A total of 360 patients were randomised, 297 were mailed the follow-up questionnaire (63 excluded) after median 12 years (range 9–15). A total of 265 patients responded to the questionnaire (response rate 89%). The cumulative rate of repair for re-recurrence after 12 years was 10% (95% confidence interval (CI) 5.3–15.1%) vs 10% (5.6–14.7%) after TAPP or Lichtenstein, respectively (p = 0.764). Moderate/severe AAS-pain was reported by 4% (95% CI 1–8%) vs 7% (95% CI 3–11%) patients after TAPP or Lichtenstein, respectively (p = 0.698) Conclusion: Long-term re-recurrence rate and incidence of chronic pain was surprisingly high respectless of surgical approach and neither TAPP nor Lichtenstein’s procedure was superior to improve surgical results.

Background & Aims: Although incisional hernia repair in women of childbearing age is not rare, hernia disease in this group of patients is sparsely documented. The aim of this study was to examine long-term clinical results after incisional hernia repair in women of childbearing age. Material and methods: This nationwide cohort study examined incisional hernia repair from 2007 to 2013 in women of childbearing age, registered prospectively in the Danish Ventral Hernia Database. All women with a subsequent pregnancy were included, and a 1:3 propensity-score matched group of women with an incisional hernia repair without a subsequent pregnancy. A prospective follow-up was conducted, including a validated questionnaire. The primary outcome was recurrence, and the secondary outcome was chronic pain from the operated site. Results: In total, 124 (70.5%) women responded, 47 and 77 women with and without a subsequent pregnancy, respectively. The 5-year cumulative incidence of recurrence was 41.0% (95% confidence interval 32.0%–49.9%). After adjustment for potential confounders, subsequent pregnancy was independently associated with recurrence (hazard ratio 1.83, 95% confidence interval 1.02–3.29, p = 0.044). Twenty-six (21.0%) women reported chronic pain (moderate, n = 21; severe, n = 5) with no difference between women with and without a subsequent pregnancy. Hernia recurrence, higher body mass index, and smoking were associated with chronic pain. Conclusion: Pregnancy following incisional hernia repair was associated with an increased risk of recurrence, but not with chronic pain.

Background: Majority of studies on chronic postoperative inguinal pain has described the occurrence after unilateral inguinal hernia repair. Endo-laparoscopic repair, for example, laparoscopic transabdominal preperitoneal inguinal hernia repair, has been recommended for primary bilateral symptomatic inguinal hernias, although the literature on chronic postoperative inguinal pain among this type of patients is limited. The present study analyzed chronic postoperative inguinal pain following bilateral transabdominal preperitoneal inguinal hernia repair. Methods: Nationwide consecutive patients who underwent bilateral transabdominal preperitoneal inguinal hernia repair (July 2012–June 2013) were recruited from the Danish Inguinal Hernia Database and cross-checked with hospital files and the National Patient Registry. A prospective follow-up was performed with a standardized postal questionnaire including questions on functional performance status assessed by a modified version of the Activity Assessment Scale. The primary outcome was incidence of chronic postoperative inguinal pain defined as moderate to severe pain-related impairment of everyday activities. Pain was registered according to the two individual groin areas. Furthermore, the overall incidence of chronic postoperative inguinal pain per operated inguinal hernia was calculated. Intensity of experienced pain (Activity Assessment Scale score) was compared between patients reporting pain from one versus both groin areas. Results: In total, 209 patients (418 hernia repairs) were analyzed (questionnaire response rate 83%). The median follow-up time was 27 months (22–34 months). In total, 27 of 209 patients (13%) complained of chronic postoperative inguinal pain from either one (n = 17) or both (n = 10) groin areas after bilateral transabdominal preperitoneal inguinal hernia repair. The incidence of chronic inguinal pain per operated hernia was 9%. The intensity of impairment due to pain (Activity Assessment Sc