Robotic ventral hernia repair with posterior Component Separation and transversus abdominis release (TAR)

Robotic Ventral Hernia Repair with Posterior Component Separation and Transversus Abdominis Release (TAR) is an advanced, minimally invasive procedure used to repair complex ventral hernias. This technique combines robot-assisted surgery with posterior component separation and transversus abdominis release (TAR) to address large and complicated abdominal wall defects. Here are the key points of this procedure:

It uses a robotic surgical system to repair hernias through small incisions, enhancing the surgeon’s precision and control. Posterior component separation is a form of muscle release that involves dissection of the abdominal wall layers to be able to recruit muscle and close large abdominal wall defects. TAR releases the transverse abdominal muscle to allow for further medial advancement of the components of the abdominal wall. This approach enables the placement of a large mesh in a submuscular position, reinforcing the hernia repair.

Key Benefits of Robotic ventral hernia repair with posterior Component Separation and transversus abdominis release (TAR):

1. Minimally Invasive Surgery: Compared to open surgery, this procedure offers smaller incisions, reduced scarring, and a faster recovery.
2. Enhanced Visualization and Precision: Robotic surgery provides the surgeon with 3D visualization, enhancing control and precision during surgical dissection.
3. Shorter Length of Stay (LOS): Studies show patients undergoing robotic hernia repair experience shorter hospital stays, reducing costs.
4. Lower Risk of Infection: The minimally invasive nature of this procedure results in fewer wound complications and a lower rate of infection.
5. Effective for Large Hernias: It is ideal for incisional hernias and those over 10 cm, recurrent hernias, or those with loss of abdominal domain.
6. Better Postoperative Outcomes: Faster recovery times, fewer complications and recurrences, and quicker return to daily activities are commonly observed with this technique when done robotically.

Robotic Ventral Hernia Repair with Posterior Component Separation and Transversus Abdominis Release (TAR) Procedure Steps

The robotic ventral hernia repair with posterior component separation and transversus abdominis release (TAR) follows a structured set of key steps designed to repair complex ventral hernias effectively. Here’s a breakdown of the procedure:

1. Access and Trocar Placement: The procedure begins with the surgeon making small incisions in the abdomen to insert the robotic trocar ports, enabling the introduction of the robotic instruments and creating pneumoperitoneum (insufflation of the abdomen with CO₂ to create space for surgery). Typically after trocar placement any adhesions are released to expose the abdominal wall.
2. Posterior Component Separation (PCS): The surgeon divides the posterior rectus sheath along its entire length. This separation is done posteriorly to expose the rectus abdomens muscle.
3. Creation of Retrorectus Space: The retrorectus space is developed between the rectus abdominis muscle and the posterior rectus sheath up to larval of the semilunar line. Care is made to identify and preserve the neuromuscular bundles supplying the abdominal wall.
4. Transversus Abdominis Release (TAR): The next critical step is releasing the transversus abdominis muscle. By releasing this muscle, the surgeon can further mobilize the abdominal wall muscles, allowing them to be moved medially to close large abdominal wall defects. This step requires expert knowledge of the anatomy and the technique to avoid injuries and adverse outcomes.
5. Closure of Fascial Layers: The surgeon then closes the posterior and anterior fascial layers. The closure of the anterior layer effectively closes the hernia defect and the closure of the posterior layer excludes the bowels and intra-abdominal organs.
6. Mesh Placement: A large synthetic mesh is inserted into the retromuscular space between the rests muscle and posterior rectus sheath. The mesh is positioned to provide reinforcement for the weakened abdominal wall, minimizing the risk of recurrence. Mesh placement in the retromuscular space allows better mesh integration, and reduces mesh infections and mesh adhesions to the abdominal wall.
7. Bridging Techniques: In cases where primary fascial closure is not feasible due to the size of the defect, bridging with mesh may be necessary. This involves using the mesh to connect the separated fascial layers, ensuring stability even in the absence of full closure.

The robot-assisted surgery platform provides the surgeon with 3D visualization and precise control over each step of the procedure, enhancing the surgeon’s ability to navigate intricate anatomical terms of location while care is taken to avoid damage to surrounding structures such as the gastrointestinal tract while ensuring the creation of a stable flap of tissue to close the abdominal defect. The robotic system also allows for improved ergonomics, reducing surgeon fatigue during the operation.

Expanded Benefits of the Robotic Ventral Hernia Repair with Posterior Component Separation and Transversus Abdominis Release (TAR) Technique

The robotic ventral hernia repair with posterior component separation and transversus abdominis release (TAR) offers several advantages over traditional open or laparoscopic hernia repair methods, particularly for complex and large ventral hernias. Here are the key benefits:

1. Minimally Invasive Approach: The robotic TAR technique involves smaller incisions compared to open surgery. This leads to reduced scarring, less postoperative pain, and a faster recovery for the patient. The smaller incisions also lower the risk of wound infection and other complications.
2. Enhanced Visualization and Precision: The robotic platform provides the surgeon with three-dimensional (3D) visualization, which allows for greater clarity when working in the extraperitoneal space and around delicate structures. This enhanced precision and control reduce the risk of injury to surrounding tissue, such as the rectus abdominis muscle and neurovascular bundles.
3. Improved Fascial Closure: The transversus abdominis release (TAR) technique allows for significant medial advancement of the abdominal wall components, reducing tension and facilitating closure of large abdominal wall defects. This improved closure contributes to better long-term outcomes in preventing hernia recurrence.
4. Shorter Hospital Stay (LOS): Patients who undergo robotic TAR often have a shorter length of stay (LOS) in the hospital compared to those undergoing open surgery. Faster recovery and reduced pain contribute to quicker discharge and fewer postoperative complications, such as seromas or hematomas.
5. Lower Risk of Infection and Complications: The minimally invasive nature of robotic surgery results in a lower rate of surgical site infections (SSI) and other wound-related complications as well as reduced perioperative mortality, making it a safer option for patients with underlying disease conditions. Studies have shown that robotic TAR is associated with a reduced risk of complications such as adhesion and wound dehiscence.
6. Faster Recovery: Patients generally experience a quicker return to normal activities and a reduced need for pain medication compared to those who undergo traditional open surgery. The reduced trauma to the abdominal muscles and subcutaneous tissue aids in the body’s natural healing process.
7. Effective for Large and Complex Hernias: The TAR technique is particularly effective for large ventral hernias, recurrent hernias, and hernias involving multiple defects or loss of domain. The ability to place a large synthetic mesh in the optimal retromuscular position reinforces the repair and reduces recurrence rates.
8. Better Cosmetic Results: The smaller incisions used in robotic TAR often result in less visible scars, providing better cosmetic outcomes compared to open surgery. This is especially important for patients concerned about postoperative appearance.
9. Potential Cost Savings: Despite the higher initial costs of robotic surgery due to equipment and operating time, the shorter hospital stay, reduced complication rates, and faster recovery may lead to overall cost savings for both patients and healthcare systems.

While these benefits are significant, the success of robotic TAR depends largely on surgeon experience, proper patient selection, and continued advances in data and research on long-term outcomes.

How does the Robotic Ventral Hernia Repair with Posterior Component Separation and Transversus Abdominis Release (TAR) Technique improve postoperative outcomes?

The robotic ventral hernia repair with posterior component separation and transversus abdominis release (TAR) significantly improves postoperative outcomes compared to traditional open surgery. One of the key benefits is a shorter hospital stay, with patients recovering faster due to the minimally invasive nature of the procedure. Studies show that robotic TAR often results in a reduced length of stay (LOS), with patients spending less time in the hospital than those who undergo open repairs. The technique also leads to lower complication rates, especially when it comes to systemic complications and surgical site infections (SSI). By minimizing creation of subcutaneous flaps, robotic TAR reduces the risk of wound complications such as seromas, hematomas, and infections.

Additionally, robotic TAR is associated with a reduced risk of surgical site occurrences (SSO), such as wound infections and adhesions. Patients who undergo this procedure also experience lower readmission rates, with studies showing significantly fewer readmissions within 90 days post-surgery compared to open repairs. This is a testament to the reduced complications and improved outcomes associated with robotic TAR.

Faster recovery times are another major benefit of the robotic approach. The smaller incisions and reduced trauma to the muscle and subcutaneous tissue layers lead to quicker healing, less postoperative pain, and a faster return to normal activities. The robotic system’s three-dimensional (3D) visualization and enhanced precision enable surgeons to perform complex repairs with greater control, reducing the risk of tissue injury and improving long-term outcomes. The platform also offers better ergonomics for surgeons, decreasing fatigue during lengthy procedures and allowing for more meticulous and controlled movements.

one of the criticisms of robotic TAR is increased operative times however this is easily offset by the imrovement in outcomes.. Additionally, the robotic approach tends to incur higher initial costs due to the use of advanced technology. However, the shorter hospital stays, reduced complications, and quicker recovery may offset these costs over time. Overall, robotic TAR is a promising option for hernia repair, providing significant improvements in patient outcomes, though continued research and data collection are necessary to fully assess its long-term effectiveness.

What types of hernias can be treated with the Robotic Ventral Hernia Repair with Posterior Component Separation and Transversus Abdominis Release (TAR) Technique?

The robotic ventral hernia repair with posterior component separation and transversus abdominis release (TAR) technique is highly effective for treating a wide range of complex hernias, especially those involving large abdominal wall defects. One of the primary applications of this approach is for large incisional hernias, particularly those with a width of 8-14 cm or greater. These hernias often occur after previous surgeries and can be difficult to repair using traditional methods, making the robotic TAR technique an ideal solution.

The procedure is also well-suited for complex ventral hernias, including recurrent hernias that have failed previous repairs. The precision and control offered by the robotic platform allow surgeons to address these difficult cases with improved outcomes. For smaller hernias or patients with a lower body mass index, less invasive methods are more appropriate, as TAR is generally reserved for larger, more complex hernias.

For hernias with loss of abdominal domain, where a significant portion of the abdominal contents has shifted outside of the abdominal cavity, robotic TAR provides an effective solution by allowing for abdominal wall reconstruction. This technique is particularly beneficial for patients with hernia defects that are difficult to close using other methods, as the transversus abdominis release allows for better advancement of the abdominal muscles. Adjuncts such as preoperative progressive pneumoperitoneum (PPP) and botox injections may be needed in those cases tom improve chances of closure.

In summary, the robotic TAR technique is highly versatile and can be used to treat a variety of complex ventral hernias, including large incisional hernias, recurrent hernias, lateral hernias, parastomal hernias, and hernias with loss of abdominal domain. Its minimally invasive approach, combined with the ability to reinforce the repair with mesh, makes it a powerful option for addressing challenging abdominal wall defects.

What types of hernias can the Robotic Ventral Hernia Repair with Posterior Component Separation and Transversus Abdominis Release (TAR) Technique not treat?

While the robotic ventral hernia repair with posterior component separation and transversus abdominis release (TAR) technique is highly effective for treating complex and large hernias, there are certain situations where this approach may not be suitable.

Small hernias that measure less than 8 cm in width may not require the extensive dissection and repair offered by TAR. In these cases, simpler techniques are more appropriate, as TAR is generally reserved for larger, more complex abdominal wall defects.

Patients who have previously placed pre-peritoneal or retromuscular mesh may present challenges for TAR. The presence of prior mesh can make it difficult to create the necessary tissue planes for a successful repair, as the existing mesh may disrupt the normal anatomy of the abdominal wall. Similarly, patients who have undergone extensive resection of the posterior abdominal wall components (for example, during procedures like a radical cystectomy) may lack the necessary tissue structure for TAR to be performed effectively.

For patients who have undergone anterior component separation in the past, performing TAR may increase the risk of creating a lateral hernia. Although TAR is possible in these cases, surgeons must exercise caution, as this previous procedure may alter the normal anatomical planes.

Lastly, TAR is generally reserved for complex or large hernias. Small, straightforward hernias that can be repaired using less invasive methods may not warrant the more extensive dissection and mesh placement associated with TAR.

In summary, while robotic TAR is highly effective for treating large and complex ventral hernias, it is not the best option for small hernias, patients with previous mesh placement or certain anatomical alterations, or those with compromised tissue healing due to underlying health conditions. Careful patient selection is crucial to ensure optimal outcomes with this advanced technique.

Dr. Iskandar’s Thoughts on the Technique

Robotic TAR is one of the procedures that has revolutionized treatment of large hernias. It allowed treatment of larger hernias that typically required larger open surgeries to be done in a minimally invasive fashion. This lead to significant reduction in complication rates as well as recurrence rates. Although a relatively new procedure, interest in its adoption among surgeons is high given the potential benefits to patient with complex hernias. Expert knowledge of the anatomy of the abdominal wall and the nuances of the operation and its complicated steps is mandatory for successful completion of the operation and avoiding complications.

Conclusion

Robotic ventral hernia repair with posterior component separation and transversus abdominis release (TAR) is a highly advanced, minimally invasive surgical technique that offers significant benefits for patients with complex ventral hernias. This procedure combines the precision of robot-assisted surgery with innovative techniques like TAR, allowing for effective repair of large abdominal wall defects, faster recovery, and fewer complications. Although robotic TAR may not be suitable for all hernia types, particularly smaller or less complex hernias, it has proven to be a versatile and powerful option for cases that require enhanced control and mesh reinforcement. With continued advancements in data and surgeon experience, robotic TAR is poised to become a key approach for hernia repair, offering patients improved outcomes and faster returns to their daily lives.

 

source https://iskandarcenter.com/hernia-surgery/robotic-ventral-hernia-repair-with-posterior-component-separation-and-transversus-abdominis-release-tar/