Hiatal hernias are at high risk of recurrence. Mesh reinforcement after primary approximation of the hiatal crura has been advocated to reduce this risk of recurrence, analogous to mesh repair of abdominal wall hernias. However, the results of such repairs have been mixed, at best. In addition, repairs using some type of mesh have led to significant complications, such as erosion and esophageal stricture. At present, there is no consensus as to (1) whether mesh should be used, (2) indications for use, (3) the type of mesh, and (4) in what configuration. This lack of consensus is likely secondary to the notion that recurrence occurs at the site of crural approximation. We have explored the theory that many, if not most, “recurrences” occur in the anterior and left lateral aspects of the hiatus, normally where the mesh is not placed. We theorized that “recurrence” actually represents progression of the hernia, rather than a true recurrence. This has led to our development of a new mesh configuration to enhance the tensile strength of the hiatus and counteract continued stresses from intra-abdominal pressure.

BACKGROUND:

Laparoscopic approaches to inguinal hernia repair include transabdominal extraperitoneal and transabdominal preperitoneal, both of which are widely performed and employ mesh. Indicators of success for these surgical procedures include incidence of complications, time to return to daily activities, incidence of postoperative chronic pain, and the long-term postoperative patient satisfaction.

OBJECTIVE:

This study aimed to evaluate and compare long-term postoperative incidence of chronic pain and overall quality of life among patients undergoing transabdominal extraperitoneal or transabdominal preperitoneal inguinal hernia repair.

METHODS:

This was a retrospective cross-sectional study. Medical records were analyzed, and the SF-36 questionnaire and Visual Analog Scale were applied to assess quality of life and chronic pain in patients undergoing laparoscopic inguinal hernia repair between January 2017 and February 2021.

RESULTS:

A total of 167 patients status post laparoscopic inguinal hernia repair, who were 3 months postoperatively or longer, were included in the study. Among the early complications seen, seroma was most common in the transabdominal preperitoneal group (p=0.04). Subsequently, 40 of the initial 167 patients answered to the survey instrument (SF-36 and Visual Analog Scale). Mean patient-reported pain (Visual Analog Scale score) was statistically similar between groups, with 1.29 for transabdominal preperitoneal and 1.68 for transabdominal extraperitoneal (p=0.92). In the domains evaluated by the SF-36, there was no significant difference between the samples.

CONCLUSION:

Both transabdominal extraperitoneal and transabdominal preperitoneal techniques for hernia repair have similar results in the late postoperative period regarding quality of life and prevalence of chronic pain. They are also comparable in terms of major early postoperative complications, except for seroma, with a higher incidence in patients undergoing transabdominal preperitoneal.

BACKGROUND:

The development of an incisional hernia is a common complication following laparotomy. It also has an important economic impact on healthcare systems and social security budget. The mesh reinforcement of the abdominal wall was an important advancement to increase the success of the repairs and reduce its long-term recurrence. The two most common locations for mesh placement in ventral hernia repairs include the premuscular (onlay technique) and retromuscular planes (sublay technique). However, until now, there is no consensus in the literature about the ideal location of the mesh.

AIM:

The aim of this study was to compare the two most common incisional hernia repair techniques (onlay and sublay) with regard to the complication rate within the first 30 days of postoperative care.

METHOD:

This study analyzes 115 patients who underwent either onlay or sublay incisional hernia repairs and evaluates the 30-day postoperative surgical site occurrences and hernia recurrence for each technique.

RESULTS:

We found no difference in the results between the groups, except in seroma formation, which was higher in patients submitted to the sublay technique, probably due to the lower rate of drain placement in this group.

CONCLUSION:

Both techniques of mesh placement seem to be adequate in the repair of incisional hernias, with no major difference in surgical site occurrences.

BACKGROUND:

The use of mesh in the repair of large hiatal hernias is still controversial. One of the most feared adverse events related to the use of mesh is erosion into the esophageal and gastric walls.

AIMS:

To record the endoscopic treatment of mesh that has migrated into the gastric lumen after surgical treatment of hiatal hernia.

METHODS:

The technical option was to wait for the progressive migration of the mesh into the gastric lumen, monitoring with upper digestive endoscopy, with removal by traction at the best time, with the aid of foreign body forceps.

RESULTS:

The mesh was completely removed, and the evolution was satisfactory, without complications.

CONCLUSIONs:

In patients with mesh migration into the stomach who are oligosymptomatic and do not show signs of complications, endoscopic surveillance and subsequent removal of the foreign body can be successfully performed when the mesh is not adhered to the gastric wall, avoiding surgical procedures with high morbidity and mortality.

BACKGROUND:

Incisional hernia (IH) is an abdominal wall defect due to a previous laparotomy, and surgical repair is the only treatment. IH has a negative impact on patients’ quality of life. In the last decades, the approach has improved from open to laparoscopic and robotic surgery with the objective of promoting better abdominal wall function after reconstruction. Today, robotic enhanced-view totally extraperitoneal (reTEP) is one of the most advanced techniques for abdominal wall reconstruction.

AIMS:

The aim of this study was to analyze the early results of patients with incisional hernia submitted to repair with reTEP.

METHODS:

This is a retrospective cohort study, and all patients who underwent reTEP surgery for ventral hernia in the years 2021 and 2022 were included. The only exclusion criteria were patients who underwent another type of herniorrhaphy. Statistical analysis was performed using the Stata software.

RESULTS:

A total of 32 participants were submitted to reTEP; the majority had an incisional hernia, and according to the European Hernia Society, EUS-M score 3 was the most prevalent. The mean surgical time was 170 min, and the console time was 142 min. Most patients stayed 2 days in the hospital. No intraoperative complications were reported.

CONCLUSIONS:

reTEP is a safe and effective technique and has favorable outcomes in the early postoperative period. Further studies with larger sample sizes and longer follow-up periods are needed to confirm these findings.

BACKGROUND:

Results on quality of life after inguinal hernia surgery, such as esthetics, postoperative pain, period of absence from activities, and recurrence are a relevant topic since inguinal hernia affects 27% of men and 3% of women at some point in their lives, and should guide health policies to allocate resources more efficiently.

AIMS:

To evaluate the quality of life in the late postoperative period of inguinal herniorrhaphy regarding recurrence, pain, esthetics, and restriction in activities, comparing the minimally invasive techniques — the transabdominal preperitoneal (TAPP) and the conventional Lichtenstein.

METHODS:

A cross-sectional observational clinical study was conducted with the EuraHS-QoL questionnaire validated and translated into Portuguese, applied to patients after an average of 65 months postoperatively. Forty-five patients were assessed, 28 undergoing Lichtenstein and 17 undergoing TAPP. All were males aged between 18 and 87 years with a primary unilateral inguinal hernia. Recurrent or bilateral hernias, other concomitant abdominal wall hernias, patients who chose not to participate or who were not found, and female patients were excluded from the study.

RESULTS:

Regarding the domains pain, restriction, and esthetics, there was no difference between the two groups when examining quality of life. Neither group presented recurrence in the studied period.

CONCLUSIONS:

Both TAPP and Lichtenstein techniques presented similar results concerning quality of life when compared in the long-term.

BACKGROUND:

One of the primary complications associated with large incisions in abdominal surgery is the increased risk of fascial closure rupture and incisional hernia development. The choice of the fascial closure method and closing with minimal tension and trauma is crucial for optimal results, emphasizing the importance of uniform pressure along the suture line to withstand intra-abdominal pressure.

AIMS:

To evaluate the resistance to pressure and tension of stapled and sutured hand-sewn fascial closure in the abdominal wall.

METHODS:

Nine abdominal wall flaps from human cadavers and 12 pigs were used for the experimentation. An abdominal defect was induced after the resection of the abdominal wall and the creation of a flap in the cadaveric model and after performing a midline incision in the porcine models. The models were randomized into three groups. Group 1 was treated with a one-layer hand-sewn small bite suture, Group 2 was treated with a two-layer hand-sewn small bite suture, and Group 3 was treated with a two-layer stapled closure. Tension measurements were assessed in cadaveric models, and intra-abdominal pressure was measured in porcine models.

RESULTS:

In the human cadaveric model, the median threshold for fascial rupture was 300N (300-350) in Group 1, 400N (350-500) in Group 2, and 350N (300-380) in Group 3. Statistical comparisons revealed non-significant differences between Group 1 and Group 2 (p=0.072, p>0.05), Group 1 and Group 3 (p=0.346, p>0.05), and Group 2 and Group 3 (p=0.184, p>0.05). For porcine subjects, Group 1 showed a median pressure of 80 mmHg (85-105), Group 2 had a median of 92.5 mmHg (65-95), and Group 3 had a median of 102.5 mmHg (80-135). Statistical comparisons indicated non-significant differences between Group 1 and Group 2 (p=0.243, p>0.05), Group 1 and Group 3 (p=0.468, p>0.05), and Group 2 and Group 3 (p=0.083, p>0.05).

CONCLUSIONS:

Stapled and conventional suturing resist similar pressure and tension thresholds.

BACKGROUND: Among meshes used in incisional hernias in open technique repair, the polypropylene is the most commonly used due to flexibility, cellular growth stimulation, satisfactory inflammatory response, easy manipulation and low price. However, it induces adhesions formation when in contact with the intra-abdominal contents. AIM: To evaluate the formation of adhesions after polypropylene and collagen coated polyester mesh with intraperitoneal placement. METHODS: Twenty six female Wistar rats were randomized in three groups. In the group 0 (sham) there was no prosthesis placement, in the polypropylene (group 1) the prosthesis was placed at the peritoneal surface and in the group 2, collagen coated polyester mesh was placed. The rats were killed on postoperative day 21 to evaluate adhesions regarding its degree, mesh percentage of involvement, bowel involvement and strength needed to cause rupture. RESULTS: There was no difference in weight between groups. The group 0 did not develop any adhesions. The groups 1 and 2 developed prosthetic mesh surface adhesions, mostly in the omentum. There was no difference in adhesion degree and percentage of surface involvement between groups. The collagen coated mesh did not develop adhesions. The adhesions occurred at the free edge of the mesh, in contact with the polyester. The Polypropylene group presented 80% of the surface involved with adhesions, while the collagen coated polyester group presented 10% (p<0,005). CONCLUSION: There was no difference between adhesion, degree of adhesion and strength needed to cause rupture. However, the polypropylene mesh presented significantly higher surface of adhesion when compared to the collagen coated polyester mesh.

ABSTRACT

BACKGROUND:

In the surgical correction of large incisional hernias, the use of a prosthesis is essential in most cases regardless of the technique chosen. The preference is for the polypropylene prosthesis.

AIMS:

To compare the onlay and Rives-Stoppa techniques in the correction of incisional hernias, their immediate results, complications, advantages, and disadvantages.

METHODS:

Two groups of patients with incisional hernias were analyzed, submitted to the onlay (19 patients) and Rives-Stoppa (17 patients) techniques, and that used polypropylene prostheses. General epidemiological variables, perioperative data variables, and postoperative complications were assessed.

RESULTS:

The patients’ epidemiologic profile was similar between both groups. The majority were women (58.4%), with a mean age of 65.5 years and a previous mean body mass index of 41.5 kg/m². The Rives-Stoppa technique was employed in most patients (52.7%). Those submitted to the onlay technique had longer abdominal drainage time and longer hospital stay, as well as a higher incidence of seromas and surgical wound infection.

CONCLUSIONS:

The incisional herniorrhaphy technique with the placement of a pre-peritoneal polypropylene mesh by the Rives-Stoppa technique was superior to the onlay due to lower rates of drain use, hospital stay, and postoperative complications.

BACKGROUND:

It is known that elective inguinal hernioplasties are safe procedures, but in an emergency setting, they have higher rates of complications and hospital costs. Despite this, quantitative studies on the subject in Brazil are still scarce.

AIMS:

To evaluate the trend in hospitalization rates, hospital mortality, and costs for inguinal hernia in an emergency, regarding gender and age group.

METHODS:

This is a time series study with data from the Unified Health System (SUS), at the national level, from 2010 to 2019.

RESULTS:

The overall hospitalization rate (p=0.007; b<0,02) in all age groups (p<0.005; b<0) in both genders indicated a decreasing trend. The general mortality rate in both genders and in most age groups showed an increasing trend (p<0.005), as well as the cost of hospitalization in all age groups of both genders.

CONCLUSIONS:

Urgent hospitalization rates for inguinal hernia in Brazil have shown a steady or decreasing trend; however, hospital mortality and costs per hospitalization have demonstrated an increasing trend in recent years.

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