clavien_atlas_of_upper_gastrointestinal_and_hepato-pancreato-biliary_surgery2007-10-01_3540200045_springer
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SECTION 2 |
Esophagus, Stomach and Duodenum |
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STEP 6 (continued) |
Closure of the hiatal defect (posterior cruroplasty) |
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Sometimes one or two anterior sutures are mandatory to avoid an “S-shape” of the distal esophagus. The inferior edge of the newly created hiatus may produce an external compression leading to dysphagia (B).
Some groups use a prosthetic reinforcement with polytetrafluoroethylene (PTFE) of posterior cruroplasty to reduce the rate of postoperative wrap herniation into the mediastinum.
B
Operation for Paraesophageal Hernia |
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STEP 7 |
Nissen fundoplication |
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Perform a floppy 2-cm three-stitch Nissen fundoplication over a 56F bougie after mobi- |
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lization of the great curvature (we divide the short gastric vessels). The most cephalad |
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stitch of the fundoplication superficially incorporates the esophagus wall. |
STEP 8 |
Anterior gastroplasty |
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Perform an anterior gastroplasty with two to three interrupted nonabsorbable 2-0 |
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Ethibond sutures between the greater curvature and the anterior abdominal wall |
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to prevent postoperative intra-abdominal gastric volvulus. |
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SECTION 2 |
Esophagus, Stomach and Duodenum |
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Postoperative Tests |
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Resume alimentation the day after surgery |
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Obtain a barium esophagogram within 1month (for follow-up purposes) |
Postoperative Complications
■Pneumothorax
■Pleural effusion
■Vagus nerve injury (anterior and posterior bundles)
■Cardiac dysrhythmia
■Pericarditis
■Pneumonia
■Pneumothorax
■Pulmonary embolism
Tricks of the Senior Surgeon
■Use nonabsorbable mattress sutures to perform the posterior cruroplasty.
■At the end of the procedure, perform an anterior gastropexy to avoid postoperative gastric volvulus.
Management of the Duodenal Stump
Matthias Peiper, Wolfram T. Knoefel
Introduction
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One of the most serious complications in the postoperative period after gastrectomy |
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is a leakage from the duodenal stump. Historically it has occurred most frequently |
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in Billroth II resections following emergency surgery for duodenal ulcer perforating |
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in the pancreatic head and less frequently after resections for gastric cancer. Causes |
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of duodenal stump suture dehiscence are: |
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Technical failure |
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Postoperative pancreatitis |
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Attempt to close a severely diseased and scarred, edematous duodenal stump |
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Blood clots in the duodenal bed leading to infection |
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Excessive use of sutures at the stump leading to necrosis |
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Indications and Contraindications |
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Peritonitis |
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Signs of sepsis |
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No contraindications in case of emergency |
Contraindications |
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Preoperative Investigations/Preparation for Procedure
■Analysis of abdominal secretion in the drain tube (bilirubin, amylasis, lipase)
■Physical examination
■Abdominal ultrasound
■CT
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SECTION 2 |
Esophagus, Stomach and Duodenum |
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Procedure |
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Access |
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The abdominal cavity is opened through the previous incision.
STEP 1
If the dehiscence is small or barely visible, an omental flap is performed and the area well drained. For some patients, primary suture of the duodenum might be performed. This is usually hand-sewn, though some surgeons prefer the stapler technique.
STEP 2
If technically feasible, an end-to-side duodenojejunostomy may be performed using single-layered sutures (Vicryl 3-0).
Management of the Duodenal Stump |
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STEP 3
If the duodenum is opened widely and its walls edematous, a primary closure is usually unsuccessful since the sutures will not last. Here it is suggested to insert a Foley catheter into the leak, which may be fixated using a purse-string suture. The catheter shall be completely covered by the greater omentum and externalized using a separate incision. Most fistulas will close spontaneously after 3–4weeks. An alternative is to cover of the leak by a jejunal loop using the Roux-Y technique.
STEP 4
Late suture dehiscences will present usually 2weeks after (distal) gastrectomy. This course is less dramatic, since postsurgical adhesions lead to a compartmentation of the abdominal cavity. If the drainage is already removed, duodenal juice might drain via the former drainage incision. By using total parenteral nutrition as well as antibiotics, the fistula will close spontaneously. An alternative is the interventional placement of a drainage, such as a Sonnenberg catheter, for optimized drainage of the duodenal fluid.
284 SECTION 2 Esophagus, Stomach and Duodenum
Standard Postoperative Investigations
■ Daily check of the abdominal drainage
Postoperative Complications
■Recurrent insufficiency
■Insufficiency of the duodenojejunostomy
■Peritonitis
■Sepsis
■Pancreatitis
■Fistula formation
■Wound infection
Tricks of the Senior Surgeon
■Tissue should not be too edematous. Therefore, the indication for relaparotomy should immediately be established once duodenal stump insufficiency has been diagnosed.
■For some patients, all organ-preserving surgical interventions might not lead to improvement of the patient’s condition. As ultima ratio a partial duodenopancreatectomy (Whipple procedure) might be necessary.
Operation for Morbid Obesity
Markus Weber, Markus K. Müller, Michael G. Sarr
Introduction
The prevalence of obesity has increased dramatically over the last several decades worldwide and is currently reaching epidemic proportions. One out of five Americans is currently obese. Morbid obesity, defined as body mass index (BMI) >40kg/m2, is associated with many diseases responsible for a high prevalence of morbidity and mortality, such as insulin-resistant diabetes mellitus, hypertension, coronary artery disease, hyperlipidemia, and sleep apnea. These direct weight-related complications eventuate in enormous health care costs. A consensus conference organized by the National Institutes of Health (NIH) in 1991 concluded that surgical therapies offer the best long-term approach for morbid obesity.
Current bariatric surgical procedures are divided into restrictive, malabsorptive, and combined procedures.
■Restrictive procedures aim to reduce the volume of oral intake. These include laparoscopic adjustable gastric banding (LAGB) and vertical banded gastroplasty (VBG).
■Malabsorptive procedures are designed to reduce caloric absorption by diminishing the absorptive surface for digestion and/or absorption. The most common procedures currently are biliopancreatic diversion (BPD) and duodenal switch with a biliopancreatic diversion (DS/BPD).
■Combined procedures utilize both a restrictive and a malabsorptive anatomy and involve primarily the Roux-en-Y gastric bypass (RYGB) (the malabsorptive effect correlates with length of Roux limb).
This chapter addresses the three most commonly performed bariatric procedures. RYGB (A-1) and VBG (A-2) were both considered as being proven effective by the National Institutes of Health consensus conference in 1991. The third procedure, which is widely used in Europe and Australia and is becoming more common in the United States, is LAGB (A-3). Of the three procedures, RYGB has been best documented to produce and maintain long-term weight loss in severely obese patients. All three procedures can be performed by an open or laparoscopic approach. Because of the high incidence of incisional hernia (15–20%) after open surgery and better patient comfort and acceptance after a laparoscopic approach, increasing numbers of surgeons perform these operations laparoscopically. Therefore, this chapter focuses on the laparoscopic approach with remarks and illustrations on open surgery as well.
A-2 |
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A-3 |
A-1
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SECTION 2 |
Esophagus, Stomach and Duodenum |
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Indications and Contraindications |
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Patients with ineffective dietary attempts for weight control and |
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BMI >40kg/m2 or |
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BMI >35kg/m2 with weight-related comorbidity |
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Age <16 and >60years (these are relative contraindications) |
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Contraindications |
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Obesity history <3years |
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Unacceptable operative risk (e.g., unreconstructable coronary artery disease) |
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Active gastric or duodenal ulcer |
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Active inflammatory bowel disease |
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Chronic infectious disease (e.g., viral hepatitis) |
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Portal hypertension |
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Pregnancy |
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Untreated endocrine disorders |
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Severe psychiatric disorders (psychosis, uncontrolled depression, active substance |
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abuse) |
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Height less than 155cm |
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Relative Contraindications |
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for Laparoscopic Approach |
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Multiple intra-abdominal operations |
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Previous gastric bariatric procedures |
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Operation for Morbid Obesity |
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Preoperative Investigations/Preparation for the Procedure
Clinical
■Physical examination (abdominal hernia, former abdominal surgery)
■Phenotype of obesity: androgenic (central obesity) vs gynecoid (peripheral obesity) (note: male/androgene phenotype and BMI >50 associated with increased preand perioperative morbidity)
■ECG, pulmonary function tests (if necessary), sleep study if symptoms suggest sleep apnea, and detailed cardiac evaluation if necessary (echocardiography, functional cardiac scintigraphy)
Laboratory
■Nutritional and metabolic parameters
■Hormonal parameters
■Baseline arterial blood gas
Upper GI Examinations
■Gastroscopy in selected patients, esophageal manometry in patients with gastroesophageal reflux disease if a restrictive procedure is to be performed (VBG, gastric banding)
■Radiology: upper GI studies for reoperative surgery and especially after failed gastric banding (reflux, esophageal dysmotility, pouch dilatation, band penetration?)
Anthropometry/Body Composition (Optional)
■Bioimpedance analysis
■Calorimetry
Psychologic Evaluation
■Exclude psychosis (rare), severe uncontrolled depression, active substance abuse, or borderline personality disorder
■Establish psychiatric care if necessary