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128
S. Eisenstein and A. L. Grucela
Another option for patients undergoing laparoscopic colorectal surgery is adjunct spinal analgesia. This is a single preoperative injection of a combination of mor­phine and long-acting local anesthetic into the L3-L4 space. Although not studied extensively, this modality has been shown in limited studies to provide as much as 3days of postoperative analgesia, generally decreasing narcotic requirements and pain scores, without affecting other postoperative outcome [49].
Prevention ofVenous Thromboembolism
Venous thromboembolic events (VTE), which include deep vein thrombosis (DVT) and pulmonary embolism (PE), remain the most preventable cause of perioperative morbidity and mortality in hospitalized patients. Over 250,000 patients are diag­nosed with DVT, and 50,000 patients are diagnosed with PE each year [50]. A quar­ter of patients with PE present with sudden death [51]. Colorectal surgical patients are at a four- to vefold higher risk of PE relative to other general surgery patients. Rectal surgery places patients at higher risk of VTE due to extensive pelvic dissec­tion, prolonged placement of patient in Trendelenburg position, and prolonged operative time. In addition, obesity, malignancy, and inammatory bowel disease [52, 53] have a greater risk of VTE.
Current CHEST and SAGES guidelines for VTE prophylaxis for laparoscopic surgery stratify surgical patients into four categories of risk based on the Caprini Score (Table9.4) [5456]: very low (no risk factors), low (one to two points), mod­erate (three to four points), and high (ve points and greater). Patients at moderate
Table 9.4 Caprini Score
One point Age 41–60years
Swollen legs (current) Varicose veins BMI>25 Minor surgery Sepsis (within last month) Serious lung disease Oral contraceptives Pregnancy or postpartum <1month History of stillborn infant, recurrent spontaneous abortion, premature birth Acute myocardial infarction History of inammatory bowel disease History of prior major surgery (<1month) Abnormal pulmonary function
Two points Three points Age 61–74years
Arthroscopic surgery Malignancy Laparoscopic surgery (>45minutes) Patients conned to bed rest (>72hours) Immobilizing plaster Cast (>1month) Central venous access Major surgery (>45minutes)
Age>75years History of DVT/PE Factor V Leiden Elevated homocysteine Heparin-induced thrombocytopenia Elevated anticardiolipin Lupus anticoagulant Prothrombin 202110A Family history of thrombosis
Four points Stroke (<1month) Elective lower extremity arthroplasty Hip, pelvis, or leg fracture (<1month) Acute spinal cord injury (<1month) Multiple trauma (<1month)
9 Checklist forPatients andOR Team inPreparation forLaparoscopic Colorectal…
129
risk and greater require chemical and mechanical VTE prophylaxis. Chemical pro­phylaxis entails 5000 U of unfractionated heparin administered subcutaneously three times daily. Mechanical VTE prophylaxis entails use of graduated compres­sion boots placed prior to anesthesia induction, and after induction, 5000 U of unfractionated heparin is administered subcutaneously.
Parenteral Antibiotics
The benet of perioperative prophylactic parenteral antibiotic use has been well established. Current Surgical Care Improvement Project (SCIP) guidelines and SSI protocol bundles require administration of parenteral antibiotics within 1hour of incision (preferably within 30minutes) [57, 58]. Multiple antibiotic regimens (Box
9.4) are suitable for elective colorectal surgery. These regimens should be tailored
to accommodate institutional variations of species sensitivities. All antibiotics should be re-dosed per protocols based on antibiotics and case length. Parenteral antibiotics may be continued postoperatively, but are generally not, and should be discontinued within 24hours of operative end time.
Box 9.4 Antibiotic Prophylaxis for Elective Colon and Rectal Surgery
• Ampicillin-sulbactam
• Cefoxitin, cefotetan (second-generation cephalosporin with aerobic and anaerobic activity)
• Cefazolin plus metronidazole
• Ceftriaxone plus metronidazole (institutions with increased resistance to second- generation cephalosporins)
• Cefuroxime plus metronidazole
• Ertapenem
• Alternatives for patients with beta-lactam allergy:
– Clindamycin or vancomycin plus aminoglycoside, aztreonam, or
uoroquinolone – Metronidazole plus aminoglycoside or uoroquinolone – (Metronidazole should not be combined with aztreonam as this will
have no aerobic gram-positive coverage)
Positioning
Careful patient positioning is critical to ensure that the surgeon and assistant have access to the anatomy and that dexterity is not limited by patient habitus. Careful positioning is also important in preventing pressure-related injuries during the procedure.
Lithotomy or split leg position should generally be used for patients undergoing
pelvic procedures. This should be performed with the anus just past the lower
130
S. Eisenstein and A. L. Grucela
break of the table. This is important because access to the anus is often part of criti­cal steps during the procedure such as the placement of an EEA stapler or in per­forming exible endoscopy. Lithotomy should be undertaken with padded Allen stirrups. The legs should be placed carefully, the pressure points should be padded, and the weight should be placed on the patient’s heel and off of their calf to help prevent peroneal nerve injury or compartment syndrome. During the procedure, when the anus is not being accessed, it is often helpful to bring the legs down so the thighs are parallel to the oor. This will help prevent instrument limitation by the legs.
Both of the arms should be tucked during laparoscopic surgery. While this does limit the anesthesiologist’s access to the arms, and their vascular access, it facilitates surgeon positioning and access during the case, especially for pelvic dissections. It is important to discuss this with the anesthesiologist prior to positioning so they have all access planned, which is required for the case. Pressure points, such as the elbows, and the hypothenar aspect of the hand should be carefully padded to prevent pressure injury prior to tucking.
Patients should be afxed to the bed in multiple points to prevent any slippage during surgery. Pelvic surgery often requires steep Trendelenburg positioning, and this may cause the patient’s anus to slip above the bed break. Similarly in a total colectomy or exure mobilization, the patient may go through extremes in position­ing from Trendelenburg to reverse Trendelenburg and steep lateral positioning. In patients undergoing surgery in a supine position, it is helpful to place a strap across the thighs as well and the chest, taking care to avoid the patient’s neck. In lithotomy position, the stirrups will serve as one point of xation, and a chest strap should act as a second. We also recommend the use of xation pads such as the Pink Pad™ (Xodus Medical, New Kensington, PA, USA). These devices are pads consisting of a high-friction foam which prevents patient slippage during extreme positioning.
Urinary Catheterization andUreteral Stenting
Generally urinary catheters are placed preoperatively and removed within 12–24 hours of surgery. Catheters allow for decompression of the bladder, thus avoiding injury on trocar placement and allowing access/visualization in the pelvis. Catheters can often be avoided in brief procedures by having the patient void their bladder contents just prior to surgery.
In the setting of laparoscopic surgery, the surgeon is not afforded the opportu­nity to appreciate the ureters by palpation. Stents have not been shown to decrease rates of injury [59]. However, the use of preoperatively placed ureteral stents allows for the early identication and repair of ureteral injury [60, 61]. Stents are of particular benet in the setting of prior pelvic surgery, inammation, locally advanced cancers, or prior pelvic radiation. Any such circumstances can make pel­vic dissection more difcult. Historically lighted stents have only been useful in the thinnest of patients as thick tissue has made it difcult to appreciate the lumi­nescence. A newer technique which is more cost-effective which allows for better
ab
cd
9 Checklist forPatients andOR Team inPreparation forLaparoscopic Colorectal…
131
Fig. 9.2 (a–d) Ureteral stent with ICG
visualization is injecting indocyanine green (ICG), which uoresces under infrared light (Fig.9.2a–d). There are little data to date to demonstrate the efcacy of these technologies, however.
OR Setup andEquipment
Each team member has a specic role and responsibility in setting up the operating room and ensuring necessary equipment is available and functioning properly. The duties specic to the circulating nurse, scrub person, surgeon/surgery team, and anesthesiologist both prior to and after the patient enters the OR and after prepping and draping is outlined comprehensively in Fig.9.3 [62].
Surgical Time-Out
The surgical time-out should consist of a verbal checklist of all the abovementioned factors to ensure they are all properly performed prior to incision. The WHO also has a checklist which is incorporated in many institution’s time-out procedures (Fig.9.4) [63].
132
Fig. 9.3 SAGES/AORN MIS safety checklist. (Used with permission of the Society of American
Gastrointestinal and Endoscopic Surgeons from: https://www.sages.org/wp-content/uploads/
SAGES_AORN_MIS_Checklist.pdf)
S. Eisenstein and A. L. Grucela
Fig. 9.4 World Health Organization surgical safety checklist. (Used with permission of the World
Health Organization: whqlibdoc.who.int/publications/2009/9789241598590_eng_Checklist.pdf)
9 Checklist forPatients andOR Team inPreparation forLaparoscopic Colorectal…
133

Conclusion

Each team member plays a critical role in preoperative preparation for laparoscopic colorectal surgery. Careful preoperative prevention and planning along with patient education and preoperative preparation in the operating room result in successful laparoscopic colon and rectal surgery.

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S. Eisenstein and A. L. Grucela
Essentials onTroubleshooting During Laparoscopic Colorectal Surgery
AlexanderT.Hawkins andCraigH.Olson

Introduction

Laparoscopic surgery involves a complex interplay between the surgeon, technol­ogy, and the patient. For a case to go well and the patient to have a successful out­come, all aspects of the procedure must be carefully coordinated. However, this is not always the case, and the laparoscopic surgeon needs to have the knowledge and skills to correct things when an operation is deviating from the intended plan. This chapter presents a number of potential issues with laparoscopic surgery– including port placement, equipment, patient physiology, exposure, and inadvertent injury– as well as methods to rescue successful surgery.
10

Preoperative Preparation

Troubleshooting should begin even before the patient enters the operating room. It is important to engage in early discussion with the anesthesia team, circulating nurse, and scrub technician prior to the procedure. Items for discussion include patient posi­tioning as well as the need to change positions, e.g., ipping prone for an abdominal perineal resection. For robotic surgery, thought must be given to where the robot will dock, along with where the assistants will stand. The appropriate table needs to be in the room, along with any other positioning equipment such as a footboard, beanbag, or straps. The proper case carts, equipment, supplies, and instruments should be in the rooms and checked to make sure they are operational. This particularly applies to
A. T. Hawkins Vanderbilt University Medical Center, Department of General Surgery, Nashville, TN, USA e-mail: Alex.hawkins@vumc.org
C. H. Olson ( Clements University Hospital, University of Texas Southwestern, Dallas, TX, USA e-mail: Craig.olson@utsouthwestern.edu
© Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) 2020 P. Sylla et al. (eds.), The SAGES Manual of Colorectal Surgery,
https://doi.org/10.1007/978-3-030-24812-3_10
*)
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