Robotic approach for retromuscular ventral hernia repair may be associated with improved wound morbidity in high-risk patients: a propensity score analysis.

BACKGROUND: Retromuscular sublay (RMS) technique for repair of ventral hernias has gained popularity due to lower risk of recurrence and wound complications. Robotic approaches to RMS have been shown to decrease hospital stay; however, previous studies have failed to show a significant reduction in wound morbidity. Utilizing the Abdominal Core Health Quality Collaborative (ACHQC) database, this study sought to determine the effect of robotic approach on wound morbidity, while specifically focusing on a high-risk population. METHODS: A retrospective review of elective robotic and open RMS repairs in the ACHQC database was performed. Patients deemed to be high-risk for wound complications were included: adult patients with BMI greater than 35 and who were either current smokers or diabetics. A propensity score match was then done to balance covariates between the two groups. Main outcomes of concern were surgical site occurrences (SSO), surgical site infections (SSI), and surgical site occurrence requiring procedural intervention (SSOPI) at 30-day follow-up. RESULTS: A total of 917 patients met inclusion criteria. After propensity score matching, 211 patients matched for each approach. There was no difference in overall SSO (18% for Open vs 23% for Robotic, p = 0.23). Open repair was associated with higher rates of SSI (4% vs 1%, p = 0.032) and SSOPI (9% SSOPI vs 3%, p < 0. 015). As seen in previous studies, there was a higher rate of seroma associated with Robotic RMS repair (87% vs 48%, p < 0.001) in patients that developed an SSO. CONCLUSIONS: In this analysis, a robotic approach was associated with decreased rates of SSI and SSOPI in obese patients who were either current smokers or diabetics. In effort to reduce wound morbidity and the associated physical and economic costs, robotic approach for retromuscular ventral hernia repair should be considered in this patient population.

S041-Trends and short-term outcomes of three approaches to minimally invasive repair of small ventral hernias. An ACHQC analysis.

INTRODUCTION: Different approaches and mesh positions are used for minimally invasive ventral hernia repair (MIS-VHR). Our aim was to evaluate the trends and short-term outcomes of intraperitoneal onlay mesh (IPOM), preperitoneal, and retromuscular repairs for small ventral hernias. METHODS: We conducted a retrospective cohort study using the Abdominal Core Health Quality Collaborative (ACHQC). We included elective MIS-VHR in adults with hernia defect width < = 6 cm from 2012 to 2021. We compared patient/hernia characteristics, trends, and short-term outcomes between IPOM, preperitoneal, and retromuscular repairs. Inverse probability of treatment weighting (IPTW) was used to balance baseline characteristics. RESULTS: A total of 7261 patients were included (IPOM = 4484, preperitoneal = 1829, retromuscular = 948). Preperitoneal repair was associated with lower rates of incisional (preperitoneal = 37%, IPOM = 63%, retromuscular = 73%) and recurrent hernias (preperitoneal = 11%, IPOM = 21%, retromuscular = 22%) compared to IPOM and retromuscular. Median defect width was 3.0, 2.0, and 4.0 cm for IPOM, preperitoneal, and retromuscular, respectively. There has been a progressive increase in the proportion of preperitoneal and retromuscular repairs over time (10% in 2013-53% in 2021 of all MIS-VHR). Robotic approach was more frequently utilized in preperitoneal and retromuscular (both > 85%) compared to IPOM (47%). Transversus abdominis release was performed in 14% of retromuscular repairs. After IPTW, no clinically significant differences were noted in the short-term outcomes between IPOM versus preperitoneal. Retromuscular repairs were associated with higher risk of 30-day reoperation (OR = 3.54, 95%CI [1.67, 7.5] and OR = 5.29, 95%CI [1.23, 22.74]) compared to IPOM and preperitoneal repairs, respectively, and higher risk of 30-day readmission compared to preperitoneal repairs (OR = 2.6, 95%CI [2.6, 6.4]). CONCLUSION: Based on ACHQC data, preperitoneal and retromuscular approaches for MIS-VHR of small hernias have increased over time and are primarily performed robotically. Transversus abdominis release was performed in 14% of retromuscular repairs of these small hernias. Retromuscular repairs were associated with higher 30-day readmission and reoperation rates compared to the other approaches.

Robotic inguinal hernia repair with the new Hugo RASTM system: first worldwide case series report.

INTRODUCTION: Robotic-assisted surgery has been a part of surgical procedures for more than two decades. Recently new robotic platforms with a different design entered the market. The modular design with independent arms enables increased flexibility of arm docking to increase the range of motion and instrument maneuverability. We herein present the first case series of robotic inguinal hernia repair using the Hugo RAS system (Medtronic, Minneapolis, MN, USA). MATERIAL AND METHODS: Thirteen inguinal hernia repairs were performed on ten patients. A description of the Hugo RAS system as well as the new concept of modular design is presented along with the description of the operation setup. RESULTS: Mean docking time was 9.5 min and mean console time was 50.3 min and 74.7 min for unilateral and bilateral inguinal hernia repair, respectively. No intraoperative or postoperative complications occurred. There was one conversion to laparoscopic surgery due to a technical issue with the robot. Conclusions: The modular design of independent arms seems to enhance maneuverability of the instruments and contribute to fewer arm collisions. Further clinical data and experience with this new surgical system are necessary to understand if this new design has advantages over the standard robotic platforms.

Comparison of Midterm Outcomes Between Open and Robotic Emergent Ventral Hernia Repair.

Background. There are no studies on the role of robotics in emergency ventral hernia repair (EVHR). We aimed to compare outcomes of robotic EVHR (REVHR) and open (OEVHR). Methods. We performed a retrospective study of EVHRs performed between 2013 and 2019. Patients who underwent ventral hernia repair in an elective setting and patients who had concomitant non-abdominal wall procedures were excluded. Pre-, intra-, and postoperative variables were compared. Univariate and multivariate analyses were performed. Results. In all, 43 patients underwent OEVHR as compared to 35 patients who underwent REVHR. The patients in both groups were similar in terms of hernia etiology as well as Acute Physiology and Chronic Health Evaluation (APACHE-II) and the Sequential Organ Failure Assessment (SOFA) scores. Mean operative times for the robotic group were almost 2-fold compared with those of the open group (139 minutes vs 70 minutes, respectively; P < .001). Median length of stay (LOS) did not differ between the groups (3 days for both groups; P = .488). Major complications (P = .001), morbidity scores (P = .006), surgical site events (SSEs) (P = .045), and procedural interventions (P = .020) were found higher in the open group. No differences in freedom of recurrence were found (P = .662). Multivariate logistic regression analysis showed that open repair was associated with a 4-fold risk for the development of complications as compared to robotic repair (P = .025; odds ratio (OR) = 4, 95% confidence interval (CI) = 1.193-13.444). Conclusion. Compared to OEVHR, REVHR resulted in longer operative times and lower morbidity, including SSEs and related interventions. However, neither LOS nor recurrence differed between the groups.

Occult contralateral inguinal hernias: what is their true incidence and should they be repaired?

BACKGROUND: The true incidence of occult contralateral inguinal hernia is unknown; however, when found, there exists controversy as to whether or not they should be repaired. The aim of our study is to identify the incidence of contralateral incidental inguinal hernias in our surgical population, compare our results to previous studies timelining occult hernia identification to repair need, and generate debate as to whether incidental contralateral hernias should be repaired at the index operation. METHODS: We reviewed the charts of 297 consecutive patients undergoing robotic inguinal hernia repair between October 2014 and April 2018 at a single facility. By comparing preoperative physical examination to intraoperative findings, we determined the number of occult contralateral inguinal hernias in our patient population. RESULTS: Of 297 patients, 158 (53.2%) presented with a right inguinal hernia, 90 (30.3%) presented with a left inguinal hernia, and 49 (16.5%) presented with bilateral inguinal hernias. Forty-seven of the 297 patients (15.8%) were found to have an incidental contralateral inguinal hernia. Excluding patients with known bilateral inguinal hernias, 20% of patients with a left inguinal hernia were found to have an occult right inguinal hernia and 18.4% of patients with a right inguinal hernia were found to have an occult left inguinal hernia. CONCLUSIONS: The true incidence of occult contralateral inguinal hernia may be higher than originally thought. When inguinal hernia repair is performed through a transabdominal approach, these occult hernias may be easily addressed during the same operation without additional skin incisions. This may ultimately prevent the morbidity of developing a metachronous hernia that requires repair.

Comparative analysis of open and robotic transversus abdominis release for ventral hernia repair.

BACKGROUND: Transversus abdominis release (TAR) is a safe, effective strategy to repair complex ventral incisional hernia (VIH); however, open TAR (o-TAR) often necessitates prolonged hospitalization. Robot-assisted TAR (r-TAR) may benefit short-term outcomes and shorten convalescence. This study compares 90-day outcomes of o-TAR and r-TAR for VIH repair. METHODS: A single-center, retrospective review of patients who underwent o-TAR or r-TAR for VIH from 2015 to 2016 was conducted. Patient and hernia characteristics, operative data, and 90-day outcomes were compared. The primary outcome was hospital length of stay, and secondary metrics were morbidity, surgical site events, and readmission. RESULTS: Overall, 102 patients were identified (76 o-TAR and 26 r-TAR). Patients were comparable regarding age, gender, body mass index, and the presence of co-morbidities. Diabetes was more common in the open group (22.3 vs. 0%, P = 0.01). Most VIH defects were midline (89.5 vs. 83%, P = 0.47) and recurrent (52.6 vs. 58.3%, P = 0.65). Hernia characteristics were similar regarding mean defect size (260 ± 209 vs. 235 ± 107 cm2, P = 0.55), mesh removal, and type/size mesh implanted. Average operative time was longer in the r-TAR cohort (287 ± 121 vs. 365 ± 78 min, P < 0.01) despite most receiving mesh fixation with fibrin sealant alone (18.4 vs. 91.7%, P < 0.01). r-TAR trended toward lower morbidity (39.2 vs. 19.2%, P = 0.09), less severe complications, and similar rates of surgical site events and readmission (6.6 vs. 7.7%, P = 1.00). In addition, r-TAR resulted in a significantly shorter median hospital length of stay compared to o-TAR (6 days, 95% CI 5.9-8.3 vs. 3 days, 95% CI 3.2-4.3). CONCLUSIONS: In select patients, the robotic surgical platform facilitates a safe, minimally invasive approach to complex abdominal wall reconstruction, specifically TAR. Robot-assisted TAR for VIH offers the short-term benefits of low morbidity and decreased hospital length of stay compared to open TAR.

Comparative analysis of perioperative outcomes of robotic versus open transversus abdominis release.

BACKGROUND: Transversus abdominis release (TAR) has evolved as an effective approach to complex abdominal wall reconstructions. Although the role of robotics in hernia surgery is rapidly expanding, the benefits of a robotic approach for abdominal wall reconstruction have not been established well. We aimed to compare the impact of the application of robotics to the TAR procedure on the perioperative outcomes when compared to the open TAR repairs. METHODS: Case-matched comparison of patients undergoing robotic TAR (R-TAR) at two specialized hernia centers to a matched historic cohort of open TAR (O-TAR) patients was performed. Outcome measures included patient demographics, operative details, postoperative complications, and length of hospitalization. RESULTS: 38 consecutive patients undergoing R-TAR were compared to 76 matched O-TAR. Patient demographics were similar between the groups, but ASA III status was more prevalent in the O-TAR group. The average operative time was significantly longer in the R-TAR group (299 ± 95 vs.. 211 ± 63 min, p < 0.001) and blood loss was significantly lower for the R-TAR group (49 ± 60 vs. 139 ± 149 mL, p < 0.001). Wound morbidity was minimal in the R-TAR, but the rate of surgical site events and surgical site infection was not different between groups. Systemic complications were significantly less frequent in the R-TAR group (0 vs. 17.1%, p = 0.026). The length of hospitalization was significantly reduced in the R-TAR group (1.3 ± 1.3 vs. 6.0 ± 3.4 days, p < 0.001). CONCLUSIONS: In our early experience, robotic TAR was associated with longer operative times. However, we found that the use of robotics was associated with decreased intraoperative blood loss, fewer systemic complications, shorter hospitalizations, and eliminated readmissions. While long-term outcomes and patient selection criteria for robotic TAR repair are under investigations, we advocate selective use of robotics for TAR reconstructions in patients undergoing AWR.

Feasibility of robotic inguinal hernia repair, a single-institution experience.

BACKGROUND: With the growth of the discipline of laparoscopic surgery, technology has been further developed to facilitate the performance of minimally invasive hernia repair. Most of the published literature regarding robotic inguinal hernia repair has been performed by urologists who have dealt with this entity in a concomitant way during radical prostatectomies. General surgeons, who perform the vast majority of inguinal herniorrhaphies worldwide, have yet to describe the role of robotic inguinal hernia repair. Here, we describe our initial experience and create the foundation for future research questions regarding robotic inguinal hernia repair. METHODS: A retrospective chart review was performed in 78 patients who underwent robotic transabdominal preperitoneal TAPP inguinal hernia repair with a prosthetic mesh using the da Vinci platform (Intuitive Surgical Inc). Data collected included patient demographics, past medical history, previous surgeries, details related to the surgical procedure, perioperative outcomes and complications. RESULTS: A total of 123 hernias were repaired. Forty-five patients had bilateral robotic inguinal herniorrhaphies, and the mean age was 55.1 years (SD 15.1), with a mean BMI of 27.6 (SD 6.1). There were 71 male and 7 female patients. Surgical complications included hematoma in three patients (3.9 %), two seromas (2.6 %) and one superficial surgical site infection at a trocar site (1.3 %), which resolved with oral antibiotics. Chronic postoperative complications (>30 days post-surgery) included the persistence of hematomas in two patients (2.6 %). Same day discharge was achieved in 60 patients (76.9 %) with a mean length of stay of 8 h (SD 2.65). Neither mortality nor conversion to open surgery occurred. CONCLUSION: Our early experience has demonstrated that the robotic transabdominal preperitoneal (TAPP) inguinal hernia repair is a safe and versatile approach that allows the general surgeon to perform this procedure in more complex cases such as those involving incarcerated and/or recurrent hernias.

Robotic thoracoabdominal hernia repair: a novel approach.

PURPOSE: Thoracoabdominal hernias remain a rare and poorly understood entity. Data remain sparse as terminology varies in the literature and case reports demonstrate wide variability in technique. We present a novel approach for repair of thoracoabdominal hernias using the robotic platform. METHODS: Two patients underwent a robotic thoracoabdominal hernia repair in June 2022. They were followed for 1 year with CT scans every 6 months to exclude recurrence. Patient demographics and peri-operative details including defect size, closure technique, mesh size, length of stay, and complications were reported. RESULTS: Both patients successfully underwent a robotic repair of a thoracoabdominal hernia, addressing the intercostal hernia, diaphragmatic disruption, and flank hernia discretely during the operation. One patient had an uneventful recovery and discharged on post-operative day 3; the other developed a small bowel obstruction due to an early port site hernia which required surgical intervention. He eventually discharged on post-operative day 9. At one year, there is no clinical or radiographic evidence of recurrence for either patient. CONCLUSION: Robotic thoracoabdominal hernia repair is feasible and offers a minimally invasive repair option for these extremely complex hernias.

Concomitant midline ventral and inguinal hernia repair: can we create an algorithmic approach?

PURPOSE: International guidelines exist for surgical treatment of either ventral or inguinal hernias repair (VHR; IHR). However, approach for managing both of them remains unestablished and is further complicated by newly developed surgical techniques and modalities (namely, robotic). This highlights the need for a tailored, algorithmic strategy to streamline surgical management. METHODS: An algorithm was developed by the directors of the NYU Langone Abdominal Core Health program of which four treatment groups were described: Group 1: open VHR and either laparoscopic or robotic IHR; Group 2: robotic transabdominal pre-peritoneal (TAPP) approach for both VHR and IHR; Group 3: robotic retro-muscular VHR and IHR; and Group 4: open repair for both. Demographics, comorbidities, operative characteristics, and surgical outcomes from November 2021 to July 2023 were retrospectively compared. RESULTS: Ninety-two patients were included with a median age of 64 years, 90% (n = 83) were white, 85% (n = 78) were male, median BMI was 27 kg/m2, and 73% (n = 67) were ASA class II. Distribution of groups was: 48% (n = 44) in 1A, 8% (n = 7) in 1B, 8% (n = 7) in 2A, 3% (n = 3) in 2B, 23% (n = 21) in 3A, 8% (n = 7) in 3B, and 3% (n = 3) in 4. Ventral hernia size, OR time, and postoperative length of stay varied across groups. Postoperative outcomes at 30 days including emergency consults, readmissions, and complications, showed no differences across groups. CONCLUSION: Access without guidance to new minimally invasive surgical approaches can be a challenge for the general surgeon. We propose an algorithm for decision-making based on our experience of incorporating robotic surgery, when available, for repair of concomitant VHR and IHR with consistent favorable outcomes within a small sample of patients.

Robotic Evaluation and Repair of Penetrating Injury of the Abdominal Wall.

This case demonstrated the feasibility of robotic-assisted exploratory laparoscopy in a hemodynamically stable trauma patient and abdominal wall repair with a favorable outcome. The patient presented with a stab wound at the left middle posterior flank. A computer tomography scan of the abdomen and pelvis demonstrated penetrating soft tissue injury to the left lateral abdominal wall with herniation of the omentum. A robotic-assisted laparoscopic approach was implemented to evaluate for visceral injury and to repair the abdominal wall. Diagnostic laparoscopy ruled out visceral and diaphragmatic injuries, and robotic primary tissue repair of the abdominal wall was performed. The patient was discharged home the following day. Laparoscopy for hemodynamically stable trauma patients has shown the benefit of decreased morbidity and decreased hospital stay compared to laparotomy. In turn, the robotic surgical approach has all the benefits of laparoscopy while bringing additional benefits of improved surgical dexterity, visualization, range of motion, and ergonomics.

Dual docking technique for robotic repair of simultaneous inguinal and umbilical hernia: A preliminary single center experience.

BACKGROUND: This study aimed to assess clinical results in terms of intraoperative outcomes, recovery and recurrence of our robotic technique for the treatment of patients affected by simultaneous inguinal and umbilical hernia, providing technical details to facilitate multiquadrant surgery in robotic hernia repair. METHODS: Data from patients affected by simultaneous primary inguinal and umbilical hernia who underwent robotic repair with our dual docking technique was retrospectively analysed. RESULTS: Fifteen patients were included. No intraoperative complications occurred. All patients achieved complete mobilisation within 7 h. The mean length of hospital stay was 21.6 h, with five patients discharged on the same day of surgery. There was no major complication and no recurrence within the median follow-up period of 673 days. CONCLUSIONS: This surgical technique shows optimal postoperative outcomes, such as early mobilisation and short length of stay. Our study provides an aid to surgeons performing multiquadrant robotic surgery for the treatment of abdominal hernias.

Robotic versus open lateral abdominal hernia repair: a multicenter propensity score matched analysis of perioperative and 1-year outcomes.

PURPOSE: Lateral abdominal hernias are inherently challenging surgical entities. As such, there has been an increase in the adoption of robotic platforms to approach these challenging hernias. Our study aims to assess and compare outcomes between open (oLAHR) and robotic (rLAHR) lateral abdominal hernia repair using a national hernia-specific database. METHODS: A retrospective review of prospectively collected data from the Abdominal Core Health Quality Collaborative was performed to include all adult patients who underwent elective lateral hernia repair. A propensity score match analysis was conducted, and univariate analyses were conducted to compare these two surgical modalities across perioperative timeframes. RESULTS: The database identified 2569 patients. Our analysis matched 665 patients to either the open or robotic groups. The median length of stay, surgical site occurrences (SSO), and surgical site occurrences requiring procedural interventions (SSOPI) were higher in the oLAHR versus the rLAHR group. Overall, oLAHR had a significantly higher rate of having any post-operative complications or any SSO/SSOPI. There was no difference in quality-of-life measures between groups at 30 days and 1 year. CONCLUSION: Robotic abdominal hernia repair is a safe alternative compared to the open repair of lateral abdominal hernias with better perioperative outcomes. Despite having a longer operative time, the robotic approach can offer a significantly shorter length of stay and an overall lower rate of complications. Ultimately, there is no difference in the quality-of-life measures both at 30 days and 1 year between the open and robotic approaches.

Robotic Totally Extraperitoneal Hernia Repair: An Initial Experience with Cambridge Medical Robotics Versius.

Background: Total extraperitoneal approach for laparoscopic inguinal hernia repair (L-TEP) allows for better dissection, lesser chance of bowel injury, and quicker operating time. However robotic groin hernia repair is currently performed only through transabdominal route as it allows for more mobility of the arms. This study is aimed at studying the feasibility and outcomes of robotic totally extraperitoneal (R-TEP). Methods: A prospective nonrandomized comparative study was conducted to compare R-TEP with L-TEP. Out of a total of 88 patients with inguinal hernia, 44 patients underwent R-TEP and other 44 patients underwent L-TEP over a period of 15 months. All R-TEP were performed with Cambridge Medical Robotics (CMR) Versius. The outcomes were analyzed over a minimum follow-up period of 6 months. Results: All patients were males with a mean age of 45.9 years. Average body mass index was 28.7. Mean docking time for R-TEP was 12.7 minutes. Overall time taken for R-TEP (mean 60.47 minutes) was significantly higher (P < .001) than L-TEP (mean 38.45 minutes). When the console time of R-TEP and overall time of L-TEP were compared, there was no significant difference (P = .053). A RCT (RIVAL Trial) conducted by Prabhu et al. showed their robotic transabdominal preperitoneal (R-TAPP) time of median 75.5 (59.0-93.8) minutes. Kimberly et al. had their overall time of 77.5 minutes and Andre Luiz et al. had a console time of 58 minutes. When we compared the data, the overall time of R-TEP is lesser compared with R-TAPP. Postoperative pain on POD-1 showed that the robotic group had significantly lower pain. There were no recurrences noted in the study period. Conclusion: With our study, we have shown that R-TEP performed using the principle of laparoscopic triangulation technique with CMR Versius is feasible and reproducible. Although the overall time is significantly more in R-TEP when compared with L-TEP, console times of R-TEP and overall times of L-TEP were very similar. Console times of R-TEP are much lesser compared with other studies on R-TAPP. R-TEP can be a better alternative to R-TAPP and can be considered at par with L-TEP. A systematic RCT would provide a better picture.

Robotic repair of non-midline hernias.

Non-midline abdominal wall hernias present unique anatomic challenges, making repair more complex. The constraints of the peritoneal cavity, pelvis, and costal margin limit the utility of intraperitoneal mesh repair, and extra-peritoneal repairs have traditionally been performed using open techniques, often resulting in higher wound morbidity. Advances in minimally invasive surgery make visualization and dissection of such complex cases feasible, with all the attendant benefits of a minimally invasive over an open approach. In this study, we examined the use of the robotic platform to repair non-midline hernias. Retrospective review of all non-midline abdominal wall hernias was performed robotically at Prisma Health, excluding parastomal hernias. Study conducted and outcomes reported according to STROBE statement. Repair was performed in the retro-rectus (n = 3) or retro-rectus + transversus abdominis release (TAR) (n = 39), pre-peritoneal (n = 22), and intraperitoneal (n = 1). Mean hernia width was 9.4 cm, permanent synthetic mesh used for all repairs. Mean LOS was 1.5 days. Surgical-site occurrence (SSO) occurred in 49.2%, 78% of which were simple seroma. Three patients (4.6%) developed surgical-site infection (SSI). Two recurrences were identified with a mean follow-up of 11 mos. The robotic platform facilitates complex dissection to allow minimally invasive, extra-peritoneal repair of complex non-midline hernias. This approach overcomes the anatomic constraints of intraperitoneal mesh repair and the wound morbidity of open repair.

Robotic Ventral Transabdominal Preperitoneal Repair of Uncomplicated Spigelian Hernia.

Spigelian hernias are rare herniations through the Spigelian fascia, with an incidence rate of 0.12-2.0% of all hernias. Diagnosis may be difficult due to a potential lack of symptoms until complications arise. Therefore, imaging with either ultrasound or CT with oral contrast is recommended to confirm the diagnosis if a Spigelian hernia is suspected. Once the diagnosis has been established, it is essential that operative repair be performed as soon as possible because 24% of Spigelian hernias become incarcerated, and 27% of Spigelian hernias lead to strangulation. Management options include open surgery, laparoscopic surgery, and robotic surgery. This case report discusses the management of a 47-year-old man with an uncomplicated Spigelian hernia that was repaired with the robotic ventral transabdominal preperitoneal repair technique.

An Evaluation of the Evidence Guiding Adult Midline Ventral Hernia Repair.

Purpose: Several guidelines have been published in recent years to guide the clinician in ventral hernia repair. This review distils this advice, critically assesses their evidence base, and proposes avenues for future study. Methods: A PUBMED search identified four guidelines addressing midline ventral hernia repair published by major surgical societies between 2016 and 2020. The studies used to inform the advice have been critically appraised, including 20 systematic reviews/meta-analyses, 10 randomized controlled trials, 32 cohort studies, and 14 case series. Results: Despite a lack of randomized controlled trials, case heterogeneity, and variation in outcome reporting, key themes have emerged. Preoperative computed tomography scan assesses defect size, loss of domain, and the likely need for component separation. Prehabilitation, frailty assessment, and risk stratification are beneficial in complex cases. Minimally invasive component separation techniques, Botox injection, and progressive pneumoperitoneum represent novel techniques to promote closure of large fascial defects. Rives-Stoppa sublay mesh repair has become the "gold" standard for open and minimally invasive repairs. Laparoscopic repair promotes early return to functional status. The enhanced-view totally extraperitoneal approach facilitates laparoscopic sublay mesh placement, avoiding mesh contact with viscera. Robotic techniques continue to evolve, although the evidence at present remains immature. Synthetic mesh is recommended for use in clean and clean-contaminated cases. However, optimism regarding the use of biologic and biosynthetic meshes in the contaminated setting has waned. Conclusions: Surgical techniques in ventral hernia repair have advanced in recent years. High-quality data has struggled to keep pace; rigorous clinical trials are required to support the surgical innovation.

Adolescent inguinal hernia repair: a review of the literature and recommendations for selective management.

BACKGROUND: The choice of how to repair inguinal hernias in adolescents has historically been a matter of experience and differed between pediatric surgeons who traditionally performed a high ligation of the sac and general surgeons who typically perform a repair using mesh. This up-to-date review thoroughly examines the subject and discusses the suitability of both types of repairs in this unique age group. METHODS: A 20-year Pub Med search was performed for the following terms: adolescent hernia repair including reports of mesh hernia repair in adolescents and postoperative complications including chronic inguinal pain and recurrences. RESULTS: The evidence in the literature suggests that while there appears to be no difference between the two types of repairs with regards to recurrence and complications, changes in the pelvic floor physiology in adolescents suggest that a selective, individualized approach can be recommended depending on the size and nature of the presenting pathology. CONCLUSIONS: A selective approach to the inguinal hernia in adolescent patients based on the size of the defect appears justified.

A novel approach for the treatment of Morgagni hernias: robotic transabdominal preperitoneal diaphragmatic hernia repair.

PURPOSE: We introduce a novel approach to the surgical repair of Morgagni hernias (MHs) utilizing the robotic transabdominal preperitoneal repair (rTAPP) approach. Borrowed from our previous and robust experience with rTAPP repairs for hernias of the anterior abdominal wall, this technique boasts the benefits of hernia sac reduction, the use of an uncoated mesh in an extraperitoneal plane, and minimal fixation leading to lower postoperative pain relative to other approaches. METHODS: To evaluate the effectiveness of this novel approach, five consecutive symptomatic Morgagni hernias (MHs) were repaired with the rTAPP approach. The size of the defect, mesh size, length of stay, follow-up imaging, and follow-up complications were documented for comparison. RESULTS: The size of the MH defects ranged from 4 × 6 cm to 5 × 10 cm. LOS was an average of 1.2 days. Two out of the five patients underwent concomitant repair of a lower abdominal hernias (one Spigelian hernia, and one indirect inguinal hernia). Outpatient follow-up from surgery ranged anywhere from 6 months to 4 years, with most patients receiving follow-up after 1 year. Four out of the five patients received follow-up CT scans to confirm the absence of hernia recurrence. One patient experienced an incisional hernia from the midline 12-mm port site which was repaired 1 year after. CONCLUSION: We propose a new technique for a minimally invasive strategy to treat these complex hernias utilizing an rTAPP technique resulting in minimal length of stay and a durable result in long-term follow-up. The benefits of repair, which include minimal postoperative pain, minimal length of stay, and cost-effective prosthetic mesh hidden from the visceral contents, are consistent with the author's experience for rTAPP repairs for hernias of the anterior abdominal wall.

Establishment of minimally invasive ventral hernia repair with extraperitoneal mesh placement in a primary care hospital using the robotic platform.

Background: The progressive availability of robotic surgical systems opens new perspectives in abdominal wall surgery due to excellent visibility and dexterity of instruments. While complex hernias until today were treated primarily through an open access, we evaluated if this promising technology is suitable for treating the entire spectrum of a hernia center, including complex hernias. Material/methods: In 2017, minimally invasive hernia surgery with extraperitoneal mesh placement was started in Kempten hospital. Since 2019, a Da Vinci X system has been available for this purpose. In order to observe the process of transition we retrospectively analyzed all patients who underwent ventral hernia repair in the department of general and visceral surgery at our hospital between January 2016 and December 2020 and were indicated for mesh implantation. Results: In 2016, the percentage of minimally invasive procedures was 37.3%. In all of these cases an intraperitoneal mesh was implanted into the abdominal cavity. Open surgery was performed in 62.7%, of which an a retromuscular mesh was implanted in 75.7%, an intraperitoneal mesh in 21.6%, and an onlay mesh in 2.7%. In 2020, minimally invasive surgery accounted for 87.5%, of which 85.7% were performed robotically and 14.3 laparoscopically. In 94.3% of these minimally invasively treated patients the mesh was implanted in extraperitoneal position (75.8% in retromuscular and 24.2% in preperitoneal position). The percentage of complex hernias increased from 20.3% to 35.0% during the same period. Conclusion: The majority of ventral hernia procedures can be performed safely using the robot in a minimally invasive technique with extraperitoneal mesh placement without leading to an increase in complications. Robotically-assisted hernia repair is a promising new technique that is also practical for complex hernias.