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102 R. M. Reddy
Fig. 13.6 Kocher maneuver. Schematic (a) and close view (b, c)
Fig. 13.7 Assessing pylorus
reach to hiatus
(Fig. 13.6). The duodenum is mobilized until the pylorus is free enough to be brought to the hiatus, which indicates enough length for the gastric conduit to reach the neck.
The next step is to assess pylorus reach to hiatus (Fig. 13.7).
13.2.4 Steps Through Hand Port
Supraumbilical—7 cm (Fig. 13.8)
A 7 cm vertical incision is made extending the camera port site 2 cm inferior and 5 cm superior. A gel port retractor is inserted. The remaining greater omentum is freed from the gastroepiploic artery to the level of the pylorus.
To perform the pyloromyotomy (Fig. 13.9), two figure-of-eight 3-0 silk sutures are placed at the superior and inferior borders of the anterior pylorus. These sutures are used to ligate the veins of Mayo as well as place the pylorus on tension and elevate it from the wound. A 2-cm­long pyloromyotomy is performed using the cut current of a needle-tipped electrocautery. The pyloromyotomy should start on the stomach 1.5 cm from the pylorus and extend
0.5–1 cm onto the duodenum. A fine-tipped mosquito clamp is used to gently dissect and elevate muscle fibers of the pylorus away from the underlying gastroduodenal sub­mucosa. If the mucosa is entered, the injury can be repaired or converted to a pyloroplasty. The pylorus is marked for future radiographic localization with silver clips placed on the silk stay sutures.
Fig. 13.8 Hand port position
All posterior adhesions from the stomach to the pancreas are freed which allows for maximum mobilization of the conduit (Fig. 13.10). If the Kocher is incomplete, it can be further extended through this incision also.
10313 Robot-Assisted Minimally Invasive Transhiatal Esophagectomy
We then perform an open 14-Fr rubber jejunostomy feeding tube placement 20–25 cm beyond the ligament of Treitz and secured in place using a Witzel maneuver. The red rubber is modified with 6–8 more holes created along the distal half of the tube. The tube is temporarily clamped using large clips and placed in the abdomen. The gel port cap is placed over the wound protector and attention taken to the neck.
13.2.5 Mobilization of the Cervical Esophagus
and Resection
A 5–7 cm oblique left cervical incision is made parallel to the anterior border of the sternocleidomastoid muscle. The omohyoid muscle is identified and divided. The sternocleid­omastoid and carotid sheath are retracted laterally, while an index finger is used to retract the trachea and thyroid medi­ally. Care is taken to avoid direct pressure on the recurrent laryngeal nerve in the tracheoesophageal groove. The infe­rior thyroid artery and middle thyroid vein may be divided for better exposure. The prevertebral fascia is identified, and blunt finger dissection is used to define the esophagus. Upward traction on a 1-inch Penrose drain placed around the cervical esophagus facilitates blunt mobilization of the upper thoracic esophagus from the superior mediastinum.
If the mediastinal dissection was performed to 2 cm above the level of the carina, the esophagus is usually com­pletely freed. If there is still some mediastinal mobilization,
Fig. 13.9 Open
pyloromiotomy
104 R. M. Reddy
Fig. 13.10 Posterior gastric
mobilization (stomach is pulled through the hand port)
the hand-assist port allows for a hand to placed upward from the esophageal hiatus using finger dissection with the left hand while simultaneously working downward through the cervical incision using a curved sponge stick with the right hand.
Dissection is first carried out along the posterior aspect of the esophagus staying as close to the spine as possible to avoid compressing the heart.
Once the posterior dissection is completed, a 28-Fr Argyle Saratoga sump catheter is inserted through the cer­vical incision to evacuate blood from the mediastinum. Dissection of the esophagus then proceeds along the lateral attachments.
Lastly, the anterior attachments are taken down by dis­secting posteriorly toward the esophagus and away from the posterior pericardium and membranous trachea. After mobilization, the upper esophagus is delivered into the cer­vical wound. The nasogastric tube is pulled back into the oropharynx, and the esophagus is divided with a gastroin­testinal anastomosis (GIA) surgical stapler. An Allis clamp is placed on the staple line of the cervical esophagus to prevent it from retracting into the wound. The stomach and thoracic esophagus are then delivered out of the abdominal incision.
fundus with variable conduit width (Fig. 13.11). Distal mar­gins should be at least 4–5 cm from the tumor.
The surgical specimen is then removed from the field, and the gastric staple line is oversewn with a running 4-0 Prolene Lembert stitch.

13.2.6 Gastric Conduit Creation and Passage Through the Posterior Mediastinum to the Neck

The esophagus and proximal stomach are then separated from the remaining stomach with serial applications of a GIA stapler. The transection line should begin along the lesser curvature of the stomach approximately 4–5 cm dis­tal to the esophagogastric junction and proceed toward the
Fig. 13.11 Gastric conduit creation
Fig. 13.12 Assessing length
of gastric conduit
Fig. 13.13 Gastric pull up
to the neck through posterior mediastinum
10513 Robot-Assisted Minimally Invasive Transhiatal Esophagectomy
We will perform a conduit perfusion scan using near­infrared spectroscopy and indocyanine green dye adminis­tration to confirm adequate blood flow.
Once length of gastric conduit (outside) has been assessed (Fig. 13.12), the gastric conduit is then gently manipulated through the esophageal hiatus and advanced manually upward through the posterior mediastinum. The fundus is grasped with a Babcock clamp that is placed through the cervical wound and gently manipulates the con­duit upward (Fig. 13.13). A small mosquito clamp is placed on a ligated short gastric artery near the tip of the gastric conduit to prevent it from retracting back into the medi­astinum. The cervical wound is then covered with a moist thoracic pack, while the abdominal portion of the case is completed.

13.2.7 Narrowing the Hiatus

The three non-midline robotic ports are replaced and the abdomen reinsufflated with the gel port maintaining pres­sure. The robot is re-docked now with the camera in the first left-sided port (first right hand). A needle driver is placed in the second right-hand port and a ProGrasp back in the left-hand port.
The esophageal hiatus is narrowed to two fingerbreadths using interrupted 1-0 silk sutures (Fig. 13.14). The closure should include the parietal peritoneum as suture through the crural muscle alone may tear. A hand can be placed through the gel port to assess for the level of narrowing while maintaining insufflation. When adequately narrowed, the liver paddle retractor is removed and the 12 mm port site
106 R. M. Reddy
Fig. 13.14 Hiatal narrowing. Schematic (a) and close view (b, c)
closed intra-abdominally using a Carter-Thompson tool to place 2 2-0 vicryl ties across the port site. The robot is then dedocked, and the gel port and wound protector removed. The jejunostomy tube is brought out through the first right­hand port site and tacked to the adjacent peritoneum with interrupted 3-0 silk sutures. The tube is also secured at the level of the skin with 2-0 prolene suture. The 7 cm midline incision is then closed in standard fashion. The port site skin incisions are closed with 4-0 moncryl.

13.2.8 Cervical Esophagogastric Anastomosis According to Orringer

The cervical esophagogastric anastomosis is performed fol­lowing closure of the abdomen. The tip of the gastric con­duit is pulled out of the neck, and a 3-0 silk seromuscular traction suture is placed along the anterior wall as distal as
possible. The site of the anastomosis is then determined, and a 1.5 cm vertical gastrostomy is made in the anterior wall of the stomach. When determining where to place the esophagogastric anastomosis, it is important to leave some redundant esophageal length to avoid traction on the anas­tomosis as the gastric conduit will partially retract into the mediastinum. The stapled end of the cervical esophagus is amputated and submitted as the proximal esophageal mar­gin. Two 4-0 Vicryl stay sutures are placed to facilitate alignment of the posterior wall of the esophagus and the anterior wall of the stomach. The first stitch is placed at the proximal end of the gastrostomy and through the pos­terior corner of the cut esophagus. The second stitch is a retraction stitch placed through the anterior corner of the cut esophagus. A side-to-side anastomosis between the cer­vical esophagus and gastric fundus is performed using the Endo GIA 30-purple tri-staple load (Fig. 13.15). The trac- tion sutures are gently retracted downward as the stapler is
Fig. 13.15 Cervical esophagogastric anastomosis. End to side Orringer anastomosis (a). Set up for hand-sewn portion of the anastomosis (b).
Anastomosis complete (c)
10713 Robot-Assisted Minimally Invasive Transhiatal Esophagectomy
advanced ensuring that the posterior wall of the esophagus and anterior wall of the stomach are well-aligned. Once the stapler is closed, two 4-0 Vicryl seromuscular sutures are placed between the esophagus and stomach on both sides of the stapler. The stapler is then fired creating a 3 cm side­to-side anastomosis. A nasogastric tube is carefully guided across the anastomosis and secured at 40–45 cm from the nares to ensure the tip is located in the intrathoracic con­duit but not beyond the pylorus. The anterior opening of the anastomosis is then closed in 1 or 2 layers. The inner mucosal layer is closed with running 4-0 PDS, while the outer later if performed is done with interrupted 4-0 PDS sutures. A small metallic hemoclip is placed on either side of the anastomosis for future radiographic localization. The cervical wound is then irrigated, and a 1/4-inch Penrose drain is positioned next to the anastomosis. The deep mus­cle is loosely approximated with two interrupted 3-0 vic­ryl sutures, the platysma with four interrupted 3-0 vicryl sutures, and the skin edges are closed with running 4-0 nylon. Dry sterile dressings are applied to all incisions. A postoperative chest radiograph is obtained in the operating room while the patient is intubated to determine the need for a chest tube in the event that a pleural injury was unrec­ognized and a pneumothorax or hemothorax is present.

References

1. Ilson DH, van Hillegersberg R. Management of patients with adenocarcinoma or squamous cancer of the esophagus. Gastroenterology. 2018;154:437–51.
2. Washington K, Watkins JR, Jay J, Jeyarajah DR. Oncologic resec­tion in laparoscopic versus robotic transhiatal esophagectomy. JSLS. 2019;23(2).
3. Kukar M, Ben-David K, Peng JS, et al. Minimally inva­sive Ivor Lewis esophagectomy with linear stapled anastomo­sis associated with low leak and stricture rates. J Gastrointest Surg. 2019;16.
4. Zheng B, Zhang S, Zeng T, et al. Minimally invasive esophagec­tomy with three fields (2.5-field and cervical-field) lymph node dissection with esophageal suspension method. J Thorac Dis. 2019;11:3183–5.
5. van Hillegersberg R, Boone J, Draaisma WA, et al. First experience with robot-assisted thoracoscopic esophagolymphadenectomy for esophageal cancer. Surg Endosc. 2006;20:1435–9.
6. Dunn DH, Johnson EM, Morphew JA, et al. Robot-assisted tran­shiatal esophagectomy: a 3-year single-center experience. Dis Esophagus. 2013;26:159–66.

Minimally Invasive Esophagectomy: Ivor Lewis

Misha Luyer and Grard Nieuwenhuijzen
14

14.1 Introduction

Once the decision has taken to resect an esophageal cancer, there are two main surgical minimally invasive esophagec­tomy (MIE) approaches: the transthoracic (the two-staged Ivor Lewis esophagectomy or three-staged McKeown esophagectomy) and the transhiatal esophagectomy (THE). The decision for the surgical approach is based on the surgeon´s discretion, since there is no evidence about the best surgical approach in terms of morbidity and oncologi­cal outcomes yet.
Indications for two-staged Ivor Lewis esophagectomy are considered the GE junction tumors type I and II, and the rest of esophageal cancers up to the carina in which a free resection margin of at least 5 cm has to be obtained. Tumors treated by neoadjuvant therapy, chemotherapy, or chemora­diation can also be approached by this approach.
Minimally invasive Ivor Lewis esophagectomy is the perfect approach for all these tumors, but still are controver­sial issues such as the extension of the lymphadenectomy and the perfect intrathoracic anastomosis. There are differ­ent types of anastomosis: the linear side-to-side, the circular stapler end-to-side anastomosis (by means of conventional stapler or the Orvil technique), the manual end-to-side anas­tomosis, and the robot-assisted anastomosis. Currently, there is no evidence which is the best anastomosis.
The technique of the linear side-to-side anastomosis is adapted from the technique for the Roux-Y gastric bypass for the treatment of morbidly obese patients and has been
Electronic supplementary material The online version of this chapter (https://doi.org/10.1007/978-3-030-55176-6_14) contains supplementary material, which is available to authorized users.
M. Luyer (*) · G. Nieuwenhuijzen Gastro-Intestinal and Oncological Surgery, Catharina Hospital, Eindhoven, The Netherlands e-mail: misha.luyer@catharinaziekenhuis.nl
implemented since 2012. Over the years, the technique has changed on several parts and is now standardized since
2016. More importantly, the surgical technique is only part of a perioperative care pathway that is performed at the Catharina Hospital by a dedicated team of scrub nurses, anesthesiologists, intensivists, nurse specialists on the ward, dieticians, physiotherapists, and surgeons who are involved in the treatment. The surgery is performed fully via a mini­mal invasive technique and consists of a laparoscopic and a thoracoscopic phase.

14.2 Description of the Surgical Technique (see Video 14.1)

Three important phases can be considered for the MI Ivor Lewis esophagectomy:
1. Laparoscopy,
2. Thoracoscopy in prone, and
3. Intrathoracic linear side-to-side anastomosis.

14.2.1 Laparoscopic Phase

1. The laparoscopic phase of the procedure is performed
with the patient under general anesthesia, in French reverse Trendelenburg position, with the surgeon between the legs, the assistant surgeon on the right side, and the scrub nurse on the left side of the patient. Five abdominal ports are used (2 of 5 mm and 3 of 12 mm) (Fig. 14.1).
2. The greater curvature is mobilized using a sealing
device, by dividing the short gastric vessels until the left crus of the diaphragm with preservation of the right gastroepiploic arcade and an omental flap. Working to the right side, the greater curvature is mobilized
© Springer Nature Switzerland AG 2021 M. Asunción Acosta et al. (eds.), Atlas of Minimally Invasive Techniques in Upper Gastrointestinal Surgery,
https://doi.org/10.1007/978-3-030-55176-6_14
109
110 M. Luyer and G. Nieuwenhuijzen
4. Below the level of the crowfoot, the right gastric
artery is divided and the lesser omental sac opened (Fig. 14.4).
5. A formal D2 lymph node dissection is performed rou-
tinely from the liver hilum over the celiac axis until the splenic hilum. The left gastric artery is divided after the placement of Hem-o-lok clips (Fig. 14.5a–f).
6. The gastric conduit is measured at 4.5 cm using a felt
pen, and the gastric tube is created using Endo-GIA™ Tri-Staple™ XL 45 mm purple staplers. Starting from the gastric angle, 4,5 cm wide, transection of the gas­tric tube is performed at the level of the watershed of the gastroepiploic arteries. Staple line crossings are oversewn (Fig. 14.6a–g).
Fig. 14.1 Operating room setup and placement of trocars
7. Using Near-Infrared Spectroscopy (NIRS), there is a
clear demarcation of the well-perfused part of the gas­tric conduit, and at that point the gastric conduit is tran-
completely and the right gastroepiploic pedicle is dis­sected and preserved. Moreover, an omental flap is cre­ated (Fig. 14.2a–c).
3. Transverse colon is mobilized, and a limited Kocher’s maneuver is performed to ensure that the pylorus reaches the hiatus (Fig. 14.3a–c).
sected (Fig. 14.7).
8. The distal esophagus is dissected through the hia­tus, and by opening both pleural cavities and dividing both inferior pulmonary ligaments, an en-bloc lower para-esophageal lymph node dissection is performed until the level of the pulmonary vein. A thorax drain is left in the left thoracic cavity. Hiatus is completely dis­sected (Fig. 14.8a–c).
Fig. 14.2 Mobilization of greater curvature, preservation of gastroepiploic arcade, and creation of omental flap (a–c)
Fig. 14.3 Transverse colon is freed and a limited Kocher´s maneuver is performed. Close (a,b) and schematic view (c)
Fig. 14.4 The lesser omental sac is divided below the level of the
crowfoot the right gastric artery
9. A cruroplasty is performed (Fig. 14.9a, b).
10. The gastric conduit is then fixed to the resection specimen which is placed in the left pleural cavity (Fig. 14.10a–d).
11. Jejunostomy is constructed (Fig. 14.11a–c).
11114 Minimally Invasive Esophagectomy: Ivor Lewis

14.2.2 Thoracoscopic Phase in Prone Position (Single-Lumen Tube)

1. Place the patient in prone position, single-lumen tube.
Four thoracoscopic ports are used in the right thorax. An insufflational pleural pressure of 8 mm H2O is maintained (Fig. 14.12).
2. The pulmonary ligament is further divided, and the
mediastinal pleura overlying the esophagus is divided to the level of the azygos vein (Fig. 14.13).
3. The azygos vein is transected using an Endo-GIA™
Tri-Staple™ 30 mm vascular stapler (Fig. 14.14a, b).
4. The right vagus nerve is divided just distal from its
most distal pulmonary branch (at the inferior edge of the right bronchus).
5. The esophagus is freed from the membranous part
of the trachea, and the left main bronchus is exposed (Fig. 14.15).
6. The dissection is also continued more cranially to
ensure liberal space for the future gastric conduit and the side-to-side anastomosis. The distal esophagus and the para oesophageal lymph nodes are then mobilized circumferentially (Fig. 14.16a).
Fig. 14.5 D2 lymphadenectomy of the liver hilum, celiac trunk, and splenic artery. Schematic (a–c) and close views (d–f)
112 M. Luyer and G. Nieuwenhuijzen
Fig. 14.6 Measurement of the gastric tube, creation of gastric tube, transection of the gastric tube, and oversew the crossing staple lines.
Schematic (a,b) and close views (c–g)
Fig. 14.7 NIRS showing a well-vascularized gastric tube
7. The thoracic duct is clipped distally and proximally
and included in the resected specimen (Fig. 14.16b).
8. The infracarinal lymph nodes are removed as last
part of the mediastinal para-esophageal lymph node dissection. In case of a squamous cell carcinoma or pathological nodes on preoperative staging, a lymph node dissection is performed at the level of the aor­topulmonary window and right or left paratracheal carefully preserving the vagus and recurrent nerves (Fig. 14.17a–c).
9. The esophagus is dissected free above the carina in
order to create enough space for a side-to-side anas­tomosis. The proximal esophagus is transected using Endo-GIA™ Tri-Staple™ 60 mm purple (Fig. 14.18a, b).
Fig. 14.8 Transhiatal dissection of the distal esophagus and para-esophageal lymphadenectomy. Close (a,b) and schematic view (c)