We would like to acknowledge the Division of Thoracic and Foregut Surgery and the Department of Surgery at the University of Minnesota for helping us proceed with this study.

The protocol and methods described here were approved and followed the ethical guidelines of the Institutional Review Board (IRB) of the University of Minnesota. Described here is a reoperative hiatal hernia repair and takedown of a previous Nissen fundoplication in a 73-year-old woman. The patient presented to the clinic with a history of laparoscopic hiatal hernia repair and a fundoplication 5 years ago at an outside hospital for epigastric pain and fullness after meals. She also complained of significant reflux and dysphagia with solid food intake. Her symptoms had temporarily resolved after the first surgery but had now recurred. Of note, her body mass index (BMI) at the time of consultation was 40. No previous preoperative workup could be obtained prior to the consultation. The patient provided written informed consent before redo&#160;foregut surgery.
1. Patient preparation and operative set-up
<ol>
	<li>Preoperative workup and testing
	<ol>
		<li>Discuss the possibility of reoperation and proceed with a thorough workup as mentioned:
		<ol>
			<li>Perform an esophagram. The esophagram of this patient showed moderate to severe esophageal dysmotility (Figure 1).</li>
			<li>Perform endoscopy. For this patient, upper endoscopy showed no stenosis or strictures but&#160;demonstrated a portion of the stomach herniating upward through the diaphragm on a retroflexed view, which confirmed a hiatal hernia.</li>
			<li>Perform computed tomography of the abdomen. This test also confirmed a herniated wrap (Figure 2).</li>
			<li>Perform wireless esophageal pH testing. This showed a DeMeester score24,25 of 38.4 with borderline symptom association probability for acid reflux.</li>
			<li>Perform high-resolution manometry. In this patient, it showed a nonspecific motility disorder.</li>
		</ol>
		</li>
	</ol>
	</li>
	<li>Preoperative planning
	<ol>
		<li>Ensure initial recommendations include weight loss and hence referral to a bariatric surgeon if needed. 
		NOTE: The patient did well with the weight loss program and could bring down her weight to a BMI of 32. At this point, she continued to have symptoms, and&#160;her case was discussed at the multidisciplinary esophageal conference for operative planning. The consensus was that the manometric findings were likely due to reflux and hernia and that a reoperative hernia repair with a loose fundoplication would be appropriate.</li>
	</ol>
	</li>
	<li>Anesthesia
	<ol>
		<li>Perform anesthesia following institutional guidelines. Intubate the patient with a single lumen endotracheal tube with rapid sequence intubation because of the risk of aspiration from reflux and a hiatal hernia. She had an arterial line for hemodynamic monitoring.</li>
	</ol>
	</li>
	<li>Positioning
	<ol>
		<li>Position the patient supine with her arms out and a footboard to facilitate steep reverse Trendelenburg positioning26.&#160;The chest and abdomen are always prepped into the field for foregut surgeries to have adequate access to the abdomen and chest if needed.</li>
	</ol>
	</li>
	<li>Port placement and docking
	<ol>
		<li>Use the open Hasson technique27 to enter the peritoneal cavity in the left supra-umbilical space. Insert the camera port here.</li>
		<li>Insert two more 8 mm ports in the left upper quadrant and one 8 mm port in the right upper quadrant. Place the ports about 10 cm above the umbilicus and ensure a handbreadth space between the ports.</li>
		<li>Place the assistant port in the right lower quadrant. Insert the liver retractor (see Table of Materials) through a 5 mm port placed in the extreme lateral portion of the right upper quadrant. 
		NOTE:&#160;It is the authors&#39; preference to place a left-sided chest tube during surgery because the hernia sac tends to be tethered to the pleura, especially in reoperative surgeries.</li>
		<li>Perform this before starting the dissection to minimize the chances of having to undock and reposition during the operation if there are significant hemodynamic changes from a pneumothorax that develops acutely during dissection.</li>
		<li>Dock the robot (see Table of Materials).</li>
	</ol>
	</li>
</ol>
2. Surgery procedure
<ol>
	<li>Reducing hiatal hernia
	<ol>
		<li>Remove&#160;the adhesions of the bowel to the abdominal wall and open the gastrohepatic ligament&#160;using a robotic bipolar surgical energy device.</li>
		<li>Open the lesser sac by removing adhesions and additional short gastric artery branches.</li>
		<li>Dissect&#160;the hernia sac&#160;circumferentially at the hiatus using a combination of blunt and electrocautery dissection with the robot.</li>
		<li>Dissect the dense adhesions between the liver and stomach carefully with laparoscopic scissors (see Table of Materials).</li>
	</ol>
	</li>
	<li>Takedown of previous fundoplications. 
	NOTE: Some but not all sutures from the previous wrap were visible.
	<ol>
		<li>Perform sharp dissection with laparoscopic scissors and undo the wrap to completely free the stomach.</li>
		<li>Carefully stay in the thin scar tissue to avoid damage to the stomach or esophagus.</li>
	</ol>
	</li>
	<li>Esophageal mobilization
	<ol>
		<li>Mobilize the esophagus transhiatally in the mediastinum. Perform this with a combination of blunt and sharp dissection and minimize the use of energy close to the esophagus.</li>
		<li>Next, confirm at least 3 cm of intraabdominal esophagus length. Use endoscopy to locate the gastroesophageal&#160;junction (GEJ)&#160;and measure the esophagus from the hiatus to the GEJ to confirm the adequate length.</li>
	</ol>
	</li>
	<li>Leak test
	<ol>
		<li>Perform endoscopy and visualize the mucosa clearly to ensure no injuries. Fill the upper abdomen with warm water and&#160;insufflate the esophagus and stomach to ensure no air leakage.</li>
	</ol>
	</li>
	<li>Hiatal repair
	<ol>
		<li>Perform crural repair using 0-silk sutures with two posterior crural stitches and one anterior crural stitch.</li>
		<li>Pass a 56 Fr bougie (see Table of Materials) into the esophagus, and with the bougie in place, pass a grasper comfortably into the hiatus. This is to ensure that the crural repair was not too tight.</li>
	</ol>
	</li>
	<li>Nissen fundoplication
	<ol>
		<li>Bring the fundus across the right side, posterior to the esophagus, and under the vagus nerve.</li>
		<li>Pass a 58 Fr bougie (see Table of Materials) into the esophagus.</li>
		<li>Perform a loose fundoplication over the bougie with three 2-0 silk sutures. 
		NOTE: Endoscopy confirmed a loose stack of coin-like appearance.</li>
	</ol>
	</li>
	<li>Gastropexy and G tube
	<ol>
		<li>Insert a percutaneous endoscopic gastrostomy tube into the stomach to serve as a gastropexy and a venting tube.</li>
	</ol>
	</li>
</ol>
3. Follow-up procedure
<ol>
	<li>Postoperatively, administer antiemetics to minimize the risk of postoperative nausea and vomiting as&#160;retching can disrupt the hernia repair or cause early recurrence.</li>
	<li>Initially, the gastric tube is left open to serve as a vent to prevent gastric distention. Eventually, clamp it on postoperative day 2 or 3 once the patient is tolerating liquids.</li>
	<li>Provide the patient with ice chips on the night of surgery. On postoperative day 1, ask the patient to start with sips of clear liquids with the gastric tube still open. On postoperative day 2, initiate a clear liquid diet and if the patient tolerates well, clamp the gastric tube. 
	NOTE: If tolerating clear liquids while clamped, a full liquid diet is started.</li>
	<li>Finally, instruct the patient on the advancement to a soft diet after 1 week with plans for clinic follow-up in 4 weeks with an esophagram and plans for gastric tube removal if not requiring significant venting.</li>
</ol>

Reoperative Hiatal Hernia Repair

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The authors have nothing to disclose.

Reoperative foregut surgery is technically challenging but can be performed safely with a well-planned and thoughtful surgical approach. A thorough preoperative evaluation is essential to determine the etiology of symptoms and to guide diagnostic adjuncts. It is of utmost importance to determine the correct diagnosis prior to reintervention in order to determine the proper surgery and approach. For example, in patients undergoing redo&#160;anti-reflux&#160;surgery (ARS) after Nissan fundoplication, one should understand ...

Over the past century, improvements in the understanding and diagnosis of foregut disorders have led to the evolution of better procedures and surgical approaches. This innovation brings new challenges related to complications and reoperation for the foregut surgeon. Surgical reinterventions are particularly challenging from a technical perspective due to multiple factors, including dense adhesions, scarring, obliteration of tissue planes, and altered anatomy1,2,3,4,5. These redo foregut surgeries&#160;have increased morbidity in patients with higher incidences of esophageal perforation, delayed gastric emptying, and vagal nerve injury1,6,7,8. Mesh repairs at the hiatus complicate reintervention further, having higher rates of major resection requiring complex reconstruction9,10. The advent of advanced endoscopic therapies creates ever-evolving challenges for foregut surgeons when dealing with their associated complications or failures11,12,13. Furthermore, redo foregut operations are associated with worsening success rates and patient satisfaction with successive reoperations compared with primary intervention14,15,16,17. This highlights the importance of patient selection and accurate diagnosis prior to redo surgery for optimal outcomes.
While traditionally performed using an open approach, laparoscopic approaches to redo foregut surgery are safe and efficacious14,18. However, due to the greater difficulty associated with altered anatomy and adhesions, conversion to open surgery is still a possibility. With the emergence of robot-assisted surgery in urology and gynecologic surgery19,20, the superior visualization and dexterity compared to laparoscopy would appear to likely have some benefit in redo foregut surgery as well. Indeed, emerging research has shown safety and improved outcomes, including less conversions to open surgery and decreased hospital stays compared with the laparoscopic approach for redo foregut surgery21,22,23.
Although it is ultimately up to the foregut surgeon to determine the safest procedure, this article aims to demonstrate the approach and technical considerations for redo foregut surgery to provide a &#34;framework&#34; when confronted with this challenge. While a robotic-assisted approach is described, the principles described could be similarly applied to laparoscopy.

<table border="1" fo:keep-together.within-page="1" fo:keep-with-next.within-page="always">
	<tbody>
		<tr>
			<td>Bravo calibration-free reflux testing system</td>
			<td>Medtronic</td>
			<td>FGS-0635</td>
			<td>Wireless esophageal pH testing system</td>
		</tr>
		<tr>
			<td>Cadiere forceps</td>
			<td>IS</td>
			<td>470049</td>
			<td>Used as a grasper</td>
		</tr>
		<tr>
			<td>da Vinci Surgeon Console</td>
			<td>IS</td>
			<td>SS999</td>
			<td>Used to control surgical robot</td>
		</tr>
		<tr>
			<td>da Vinci Vision Cart</td>
			<td>IS</td>
			<td>VS999</td>
			<td>Houses advanced vision and energy technologies to provide communication across the platform components</td>
		</tr>
		<tr>
			<td>da Vinci Xi</td>
			<td>IS</td>
			<td>K131861</td>
			<td>The surgical robot</td>
		</tr>
		<tr>
			<td>da Vinci Xi Endoscope with Camera, 8 mm, 30&#176;</td>
			<td>IS</td>
			<td>470027</td>
			<td>The camera for the da Vinci robot</td>
		</tr>
		<tr>
			<td>Lapro-Flex Articulating Retractors</td>
			<td>Mediflex</td>
			<td>91682</td>
			<td>Used as liver retractor</td>
		</tr>
		<tr>
			<td>Large needle driver</td>
			<td>IS</td>
			<td>470006</td>
			<td>Used as a needle driver</td>
		</tr>
		<tr>
			<td>Maloney Tapered Esophageal Bougie, 56 Fr</td>
			<td>Pilling</td>
			<td>507956</td>
			<td>Esophageal bougie for hiatal repair</td>
		</tr>
		<tr>
			<td>Maloney Tapered Esophageal Bougie, 58 Fr</td>
			<td>Pilling</td>
			<td>507958</td>
			<td>Esophageal bougie for wrap creation</td>
		</tr>
		<tr>
			<td>Mega SutureCut needle driver</td>
			<td>IS</td>
			<td>470309</td>
			<td>Used as a needle driver</td>
		</tr>
		<tr>
			<td>Monolithic FlexArm Plus</td>
			<td>Mediflex</td>
			<td>99045-QC</td>
			<td>Used to hold liver retractor to OR bed</td>
		</tr>
		<tr>
			<td>Round tip scissors</td>
			<td>IS</td>
			<td>470007</td>
			<td>Used for cutting</td>
		</tr>
		<tr>
			<td>Shiley Hi-Lo oral/nasal endotracheal tube cuffed, 8.0 mm</td>
			<td>Covidien</td>
			<td>86113</td>
			<td>Endotracheal tube for intubation</td>
		</tr>
		<tr>
			<td>SynchroSeal</td>
			<td>IS</td>
			<td>480440</td>
			<td>Used for dissecting, vessel sealing, and dividing</td>
		</tr>
		<tr>
			<td>Tip-Up fenestrated grasper</td>
			<td>IS</td>
			<td>470347</td>
			<td>Used as a grasper</td>
		</tr>
	</tbody>
</table>

technical considerations and approach to redo foregut surgery

Foregut surgical techniques have advanced significantly over the years and have become increasingly popular. However, new challenges and technical considerations have arisen when dealing with reoperation for complications or surgical failure. This study focuses on the technical considerations and approach when dealing with reoperative foregut surgery, particularly redo&#160;hiatal hernia repair. We describe our approach starting from the preoperative workup to the procedural steps of the surgery. The present study describes the main steps for robotic reoperative hiatal hernia repair in a patient who had previously undergone laparoscopic hiatal hernia repair with Nissen fundoplication but did not present a recurrence of reflux and dysphagia symptoms. The patient is positioned supine with arms out and a footboard for steep Trendelenburg. We place six trocars, including an assistant port and a liver retractor port,&#160;to facilitate visualization and retraction. After docking the robot, we use a combination of electrocautery and sharp dissection&#160;to free the hernia sac and reduce the hiatal hernia. The previous fundoplication is then taken down carefully and the esophagus is mobilized through a transhiatal approach with a combination of blunt and sharp dissection until at least 3 cm of intra-abdominal esophageal length is achieved, after which a leak test is performed. We then perform a crural repair to reapproximate the hiatus with two posterior stitches and one anterior stitch. Lastly, a redo Nissen fundoplication is performed over a bougie, and endoscopy is used to confirm a loose stack-of-coin appearance. By emphasizing the crucial steps of redo hiatal hernia repair, including preoperative evaluation, our goal is to provide an approach for the foregut surgeon to maximize patient outcomes.

Author Spotlight: Recent Advancements in Reoperative Foregut Surgery

Technical Considerations and Approach to Redo Foregut Surgery

Our research focuses on thoracic surgery with specific regard to reoperative foregut operations. A large portion is surgical outcomes-based research, but we also emphasize quality improvement in surgery, such as with this protocol. In this video, we discuss our approach to reoperative foregut surgery.In foregut surgery, technological advances continue to be made in the intraop and pre-op settings. Improvements in diagnostic technology, such as with the Endoflip system and high resolution manometry provide more accurate information in diagnoses of the foregut, while robotic technology and intraop monitoring help us provide the best care possible in surgery. Most literature, looking at reoperative foregut surgery emphasizes the outcomes but not necessarily the approach to performing the operation.We describe a step-by-step approach to the operation, while maintaining the general principles broadly, and thus, providing a reference for other foregut surgeons. In the future, we will continue to focus on reviewing outcomes of other reoperative foregut surgeries with the goal of developing guidelines and standardizing the management of these cases.

The patient had an uneventful postoperative course. She slowly advanced to a full liquid diet over a period of 3 days and was then discharged on a liquid diet with instructions to advance to a soft diet after 1 week.
By virtue of being a quaternary referral center and a major university hospital, we frequently manage patients needing reoperative foregut surgery. Our data from the last 5 years with 43 patients undergoing reoperative hiatal hernia repairs showed a mean length of stay of 7 days a...

Watch this Scientific Journal Video about Technical Considerations and Approach to Redo Foregut Surgery at JoVE.com

Redo foregut surgery is associated with increased patient morbidity and presents a technical challenge for the surgeon. We describe our approach and considerations when performing a redo hiatal hernia repair to provide a guide for other surgeons and improve patient outcomes.

Foregut surgical techniques have advanced significantly over the years and have become increasingly popular. However, new challenges and technical ...

technical-considerations-and-approach-to-redo-foregut-surgery

Research

JoVE Journal

Medicine

Robotic Reoperative Hiatal Hernia Repair After Post-Laparoscopic Procedure

To begin, position the anesthetized patient supine with arms out and a footboard to facilitate steep reverse Trendelenberg positioning. Using the open hasson technique, enter the peritoneal cavity in the left supra umbilical space to insert the camera port. Next, insert one eight millimeter port in the right upper quadrant, 10 centimeters above the umbilicus, and one port in the left upper quadrant.Place the assistant port in the right lower quadrant. Insert the liver retractor through a five millimeter port, placed in the extreme lateral part of the right upper quadrant. Then dock the surgical robot.To reduce hiatal hernia, begin by removing the adhesions of the bowel to the abdominal wall. Then, using a robotic bipolar surgical energy device, open the gastrohepatic ligament. Open the lesser sac by removing adhesions and additional short gastric artery branches.Using a combination of blunt and electrocautery dissection with the robot, dissect the hernia sac, circumferentially at the hiatus. Then use laparoscopic scissors to carefully dissect the dense adhesions between the liver and stomach. To note previous fundoplication, perform sharp dissection with laparoscopic scissors and undo the wrap to completely free the stomach.Next, using the combination of blunt and sharp dissection, mobilize the esophagus, transhiatally in the mediastinum. Under endoscopy, identify the gastroesophageal junction, then measure the esophagus from the hiatus to the gastroesophageal junction. Next, perform endoscopy and visualize the mucosa clearly to ensure no injuries and insufflate the esophagus in stomach to ensure no air leakage.Begin hiatal repair by performing accrual repair using O silk sutures, applying two to three posterior crural stitches. Pass a 56 French bougie into the esophagus, and with the bougie in place, pass a grasper comfortably into the hiatus. Next for Nissen fundoplication, bring the fundus across the right side, posterior to the esophagus and beneath the vagus nerve.Pass a 58 French bougie into the esophagus and perform a loose fundoplication over the bougie, using three 2/0 silk sutures.

325 Views.  University of Minnesota.  Redo foregut surgery is associated with increased patient morbidity and presents a technical challenge for the surgeon. We describe our approach and considerations when performing a redo hiatal hernia repair to provide a guide for other surgeons and improve patient outcomes.

Reoperative Hiatal Hernia Repair

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