Active clinical trials for "Hernia"

The purpose of this study is to collect additional safety data and demonstrate the performance of Integra Gentrix® Surgical Matrix for reinforcement of ventral hernia repairs.

Ventral hernias in the midline of the abdominal wall are one of the most frequent diseases in general and visceral surgery worldwide. The optimal operative technique is still in discussion. The traditional techniques are open sublay or transabdominal intraperitoneal onlay mesh (IPOM) repair. In order to avoid the risks -large trauma to the abdominal wall with pain and infection, lesion of intraabdominal organs - a new hybrid technique - small skin incision, wide endoscopic dissection of the retrorectus space with implantation of a large mesh - was developed (EMILOS -Endoscopic Mini/Less Open Sublay).

Since 01/2018, AVOS (ambulant vor stationär = ambulatory to stationary) regulation has been progressively implemented in hospitals across Switzerland for certain surgical procedures, including the treatment of inguinal hernias. The aim of this prospective, non-randomized, multicenter study was to compare the outcome of outpatient/ambulatory and inpatient/stationary postoperative care by examining the re-admission rate, complication rate and quality of life in patients with primary unilateral inguinal hernia repair.

This multi-center, retrospective data collection study will evaluate the feasibility, safety and performance of the da Vinci® surgical system for patients who have undergone robotic-assisted inguinal hernia repair, as well as provide information about the learning curve associated with robotic-assisted (da Vinci®) inguinal hernia repair. In addition, this retrospective data collection study will evaluate the perioperative outcomes of robotic-assisted (da Vinci®) inguinal hernia repair and compare perioperative outcomes with those associated with open hernia repair by the same participating surgeon.

Background: Five billion people worldwide do not have access to safe, affordable surgical care. A significant proportion live in sub-Saharan Africa (SSA), where up to 50% of the population are children. There is limited literature on neonatal and paediatric surgery in SSA and children's surgery does not appear on any of the National Health Strategic Plans for the 47 independent countries across SSA. Objectives: To form a collaboration of surgeons and allied health professionals involved in children's surgery across SSA and collectively undertake the largest prospective cohort study of paediatric surgery in this region. Materials and Methods: Data will be collected via REDCap website on all patients with gastroschisis, anorectal malformation, appendicitis, inguinal hernia and intussusception, during a 1-month period of collaborators choice between October 2016 to April 2017, with a 30-day follow up until the end of May 2017. Estimated study population: 1450 patients from 50 institutions. Full ethical approval has been granted by the host centre; local ethical approval will be required at collaborating centres for participation. All collaborators will be co-authors. Primary outcome will be in-hospital all-cause mortality. Secondary outcomes will include post-intervention complications. Data will be collected on institutional facilities, patient demographics, duration from condition onset to presentation, peri-operative resuscitation, intervention and outcome. Differences in outcomes between SSA and benchmark data from high-income countries will be calculated using chi-squared analysis. Multi-level multivariate logistic regression analysis will be used to identify interventions and peri-operative factors associated with improved outcomes; p<0.05 will be deemed significant. Outcome: Results will be used to advocate for enhanced children's surgical services in SSA. We shall identify context-appropriate interventions associated with improved outcome. The collaboration will help to enhance research capacity in the region.

Post operative urinary retention ( POUR) is caused by sympathetic activation of the internal urethral sphincter after surgery. The smooth muscles of the around the internal urethral sphincter have been demonstrated to be rich in alpha-1 adrenergic receptors. Our research idea is novel because there has been no prior prospective study conducted using alpha-blockers to reduce post-operative urinary retention in patients undergoing inguinal hernia repair. The proposed research is important as existing studies that sought to understand POUR have merely established the risks factors involved. Despite so, the incidence of POUR remains high and no studies to date have investigated the use of specific interventions to reduce the risk of POUR. This is essential as patients who develop POUR have also been successfully shown to have significantly longer length of hospitalisation. Besides, the development of POUR can also cause significant pain/discomfort, increase risks of long-term urethral catheterisation and predispose patients to urinary tract infections

Lumbar disc herniation is the most common diagnosed degenerative pathology in the lumbar spine with a prevalence of 2 to 3% in the adult population. Unilateral lumbar disc herniation is characterized by compression or irritation of the lumbar nerve roots or dural sac by either protrusion, extrusion or sequestration of the nucleus pulposus, mostly in the posterolateral region. Compression or irritation of the lumbar nerve roots and dural sac can induce unilateral sensory and motor symptoms. Therefore, it is the principal cause of lumbar spinal surgery. Different imaging studies have investigated asymmetry of the paraspinal muscles in patient with unilateral low back pain due to lumbar discus herniation. Both animal and human studies indicate a reduction in total muscle cross-sectional area, increased fat infiltration and fibrosis within the lumbar multifidus at the affected side. Increased fat infiltration is clinically important because there is a correlation between the amount of intramuscular fat and lumbar muscle dysfunction. Not only fat infiltration correlates with lumbar dysfunction, also a lower multifidus cross-sectional area is associated with and predictive for low back pain. This indicates that there is an association between paraspinal muscle changes/ remodeling and muscle dysfunction that could lead to low back pain. The aim of this research is to quantify the decrease in muscle and muscle fibre size, the amount of fat infiltration, and the amount of fibrosis present within the multifidus muscle at the herniated side in relation to the unaffected side. The second aim is to investigate the possible role of different cell types in the process of muscle remodeling. The last aim of this study is to correlate these muscular changes with long-term functional outcomes such as pain, fear and disability. This information can possibly contribute to the etiology of paraspinal muscle changes, and provide a handgrip to future research.

A post-market clinical follow-up study for ReliaTack™ articulating reloadable fixation device with deep purchase tacks

The purpose of this study is to evaluate the efficacy of the Cook Biodesign mesh for the repair of complex ventral incisional hernias. Using materials to reinforce tissue defects is indicated as standard of care for this type of surgery. The Cook Biodesign mesh is currently FDA-approved for implantation to reinforce soft tissues where weakness exists, but the investigators would like to collect additional follow-up information to continue to assess the durability of the repair after placement of the hernia mesh. This follow-up would include the collection of information about complications such as infections and seromas (collections of fluid around the surgery site), as well as hernia recurrence and quality of life questionnaires. Patients who qualify to take part in this study have been diagnosed with a ventral incisional hernia and will have been scheduled for a surgical hernia repair. This surgery will be an "open" surgical procedure and reinforcing your tissue with material is indicated for this type of hernia repair.

The purpose of the registry is to evaluate safety and efficacy of the Intramesh T1. This registry will collect data from 100 patients treated for a ventral hernia repair.