Radiologic features of esophagogastritis secondary to extremely caustic agents.
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Obstructing esophageal food impaction was successfully relieved in 3 patients by the administration of intravenous glucagon. Since proteolytic enzyme digestion of bolus impaction carries a clear risk of fatal esophageal perforation, early therapeutic administration of glucagon during initial esophagography affords a safe and effective acute-care radiologic adjunct. Advantages include immediate diagnosis and therapy, effectiveness in meat and vegetable impactions, and safety for repeated doses. A glucagon-papain combination is suggested as a routine regimen during standard efforts at enzymatic disimpaction.
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Twenty-six patients with possible esophageal disruption who were also at risk for aspiration or direct communication of the esophagus with the tracheobronchial tree were examined with iohexol esophagography. Fifteen patients had normal studies confirmed by findings at a barium examination performed immediately after. In 11 patients abnormalities were diagnosed on the basis of iohexol esophagograms; the abnormalities included extraluminal extravasation of contrast material (n = 7), aspiration (n = 1), esophageal stricture with intramural diverticulosis (n = 1), edema of the gastroesophageal junction (n = 1), and epiphrenic diverticulum (n = 1). Eight of these patients were immediately reexamined with barium esophagography, which yielded no additional information. Low-osmolality, water-soluble contrast agents are a safe alternative for patients in whom barium esophagography poses a risk of mediastinitis and esophagography with diatrizoate meglumine and diatrizoate sodium (Gastrografin) poses a risk of pulmonary edema.
BACKGROUND: Paraesophageal hernias (PEHs) have protean clinical manifestations, and a variety of surgical approaches may be appropriate. We report both surgical and quality-of-life (QoL) outcomes for PEH repairs. METHODS: All patients undergoing elective repair of PEHs were evaluated preoperatively for symptoms and the radiologic appearance of the PEH. In addition, patients undergoing elective repair completed the SF-36, a generic QoL instrument, preoperatively and postoperatively. Short-term postoperative complications were recorded. Symptomatic outcomes and QoL outcomes were assessed. RESULTS: Over a 50-month period, 44 PEH repairs were completed. 3 patients represented emergently - 2 with gastric ischemia, 1 with frank gastric necrosis. The most common presenting symptoms were heartburn (48%), chest pain (27%), abdominal pain (20%), regurgitation (20%), dysphagia (18%), and microcytic anemia (18%). Only 4 patients (9%) were truly asymptomatic. 31 repairs were attempted laparoscopically, 5 were converted to open procedures. There were no gastric or esophageal perforations. 91% of patients had resolution of preoperative symptoms. The only death was in a patient with gastric necrosis. 5 of 8 patients treated by crural repair without fundoplication developed postoperative heartburn. Patients treated laparoscopically had superior QoL scores than patients treated by open surgery in the domains of physical functioning (90 vs. 65), role-physical (100 vs. 0), role-emotional (100 vs. 66.7), vitality (80 vs. 55), and social functioning (100 vs. 75). However, there were 3 symptomatic recurrences in the laparoscopic group (11.5%), all in patients with large, type-III hiatal hernias. CONCLUSIONS: PEH is a potentially life-threatening disease. Although most can be repaired laparoscopically, specific principles must be individualized to each patient to minimize complications and recurrences. A fundoplication should be added to all repairs. Laparoscopic repairs can produce superior QoL results: however, patients with large, type-III hernias may not be appropriate candidates for laparoscopic repair.
Available diagnostic tests evaluating cricopharyngeal dysmotility are expensive, uncomfortable, and unreliable for predicting the results of cricopharyngeal myotomy. Cricopharyngeal myotomy should be performed as a diagnostic test when a patient has "block" dysphagia (in which the food bolus stops rather than the swallow's being painful) localized to the cricoid level, and when no cancer is seen on esophagram. An effective surgical technique relies on the muscular distention provided by the inflated balloon cuff of a large endotracheal tube, and requires cutting the muscle fibers of the upper esophagus, the cricopharyngeus, and the hypopharynx in the posterior midline from a point 1 cm below the cricoid cartilage to the level of the thyrohyoid membrane. The cricopharyngeal limits are indistinct until the muscle fibers have been cut. Bougies, esophagoscopes, and cuffless endotracheal tubes insufficiently distend these muscle fibers. A "peanut" sponge in a Kelly clamp is used to identify and separate the last muscle fibers from the mucosa so they can be divided. These techniques minimize the risks of esophageal perforation and incomplete muscular transection. Our experience performing 54 cricopharyngeal myotomies is reported.
Ingested corrosive agents produce oropharyngeal and gastroesophageal injuries ranging from minor burns to severe necrosis, depending on the agent amount, concentration, and duration of exposure. The aim of this study was to present our patients with corrosive ingestion retrospectively. Four hundred seventy-three children younger than 16 years of age (mean age, 3.7+/-0.1 years) who were admitted to our hospital for suspected corrosive ingestion between the years 1995 and 2003 were studied. Two hundred eighty-six (60.5%) of 473 patients were males. Household bleaches (36.6%) and oven cleaners (23%) were the most frequently encountered corrosive agents. During endoscopy, lesions in the esophagus were recorded in 379 children. Eighty-one of the cases had gastric lesions. During the follow-up, esophageal stricture, esophageal perforation, and gastric outlet obstruction (GOO) developed in 11 cases, 1 case, and 2 cases, respectively. Caustic ingestion of alkali substances such as oven cleaner seem to cause more severe injuries. Early admission to the hospital with clinical and endoscopic evaluation and early surgery when required may reduce morbidity and mortality.
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A home enteral nutrition (HEN) system was introduced to deliver a day's ration of an "all-in-one" sterile and modular formula from a large container. The nutrient formula consisted of carbohydrate, protein, and lipid modules sterilized separately, in an autoclave at 120 degrees C, then mixed and supplemented with minerals and trace elements. Vitamins were given the patients through a feeding tube before connecting the nutrient container. The system was used to feed 12 malnourished patients (10 men and two women) with cancer (carcinoma of esophagus or tongue) or without cancer (esophageal perforation). All patients had normal gastrointestinal function but could not take in more than 500 kcal/day orally, because of their primary disease or the treatment for it (surgery in four patients; and radiotherapy, associated in some cases with chemotherapy, in eight). HEN duration ranged from 30 to 435 days at a daily cost of approximately US $15 to $20. Statistical analysis (Student's t-test for paired data) showed significant body weight gain (p less than 0.05) and significant increases in serum levels of albumin, transthyretin (p less than 0.05, respectively), and transferrin (p less than 0.01). Increases of serum total protein level were not statistically significant (p less than 0.09). The nutrient formula was well tolerated and there were no HEN-related rehospitalizations. Seventy-five % (nine of the patients) considered that HEN had improved their quality of life. The daily savings per patient, compared to the cost of treatment in a hospital, was about $260/day.(ABSTRACT TRUNCATED AT 250 WORDS)
Fundoplication and gastrostomy are among the more common operative procedures performed in infants and children. This article reviews the techniques, results, and complications of the surgical treatment of gastroesophageal reflux in 389 consecutive pediatric patients over the last 5 years. Chronic unremitting vomiting, failure to thrive, and an array of pulmonary symptoms were the leading indications for fundoplication in these children. Children who eat by mouth were primarily treated by a Toupet fundoplication, whereas gastrostomy-fed children generally received a Nissen fundoplication. The time to perform fundoplication and gastrostomy in our patients averaged about 3 hours for the first 10 patients but required a little over 1 hour for the last 50 patients. Most patients were discharged by the second or third postoperative day. Recurrent symptoms have developed in about 5% of our patients. Five of the 201 children who received a Toupet fundoplication (partial wrap) have been converted to a complete wrap fundoplication. Two of the patients having a Nissen fundoplication have required reoperation for their symptoms. The primary complications were seven cases of transient dysphagia, one case of esophageal perforation, and one case of gastric perforation. Laparoscopic fundoplication seems to achieve results equivalent to open fundoplication and is associated with considerably less postoperative pain and morbidity as well as a more rapid recovery.
The role of oesophageal stenting continues to evolve, with several new stents currently on the market. These stents possess anti-reflux valves, internal plastic coatings and retrievable threads. In patients with malignant dysphagia, management should ideally take place within multi-disciplinary teams such that accurate tumour staging occurs prior to treatment. Multi-modality therapy can not only improve dysphagia and response rates but may also improve survival. Several non-surgical palliative techniques are available to recanalize malignant obstruction, including oesophageal stenting. Other therapeutic modalities include the use of endoluminal laser therapy, photodynamic therapy, argon beam and bipolar electrocoagulation, ethanol injection and intracavity brachytherapy. Their use often depends on local availability and expertise. Although the initial costs of metal stents are high, the overall costs compare favourably with other forms of palliative therapy that often require multiple procedures with repeated inpatient hospitalization. Treatment of refractory benign strictures with oesophageal stents remains uncommon and several recent reports using retrievable stents appear to improve outcome, although more work is required in this area.
The authors present the case histories of five patients who have sustained corrosive injuries of the upper gastrointestinal tract. Flexible endoscopic examination was successfully carried out in each patient to assess the extent of the injury and anticipate further therapeutic needs. Three patients sustained major gastric lesions, i.e., strictures or bleeding following the ingestion of alkali, acids, or phenol, and one instance of esophageal stricture was recognized. The endoscopic observation of antral gangrene was inexorably followed by antral stricture requiring surgical management. One fatality followed rigid esophagoscopic examination which resulted in esophageal perforation.
Certain patterns of "lymphoma masquerade" are examined, where the diagnosis is very difficult to establish. The presence of prolonged symptoms prior to the acute event or indolent slow healing wounds should alert clinicians to the possibility that lymphoma may be involved. Localizing tumors in order to make a tissue diagnosis is one potential problem encountered even with computerized tomography, but magnetic resonance imaging has been helpful in demonstrating the presence of tumor mass. Included in this report is an unusual series of non-Hodgkin's lymphoma cases in which there was not an obvious tumor. Three patients presented with symptoms and findings of deep neck abscess, two of which were associated with an esophageal perforation or tracheoesophageal fistula. The other cases involved chronic sinusitis and an apparent viral polyneuropathy affecting multiple cranial nerves. Treatment of these non-Hodgkin's lymphomas and techniques for establishing the pathological diagnosis are discussed.
BACKGROUND: Hybrid, combined or mixed bariatric surgery is the combination of a degree of 'malabsorption' (as achieved by the intestinal bypass) with a 'restriction' (as achieved by gastric bypass or gastroplasty), thereby simultaneously reducing the absorption of fats in the small bowel and decreasing the intake of food. METHODS: A modification of the bilio-pancreatic diversion (BPD) with a duodenal switch procedure, vertical lineal gastrectomy and preservation of the pylorus, has been used in 23 patients. The antropyloric pump and 4 cm of the duodenum are left intact to preserve physiologic gastric emptying and to prevent anastomotic ulcer. The use of staplers and continuous running sutures reduces surgical risks and operative time. RESULTS: One patient, converted from a vertical gastroplasty, had an intrathoracic esophageal perforation and died of multi-systemic organ failure, a mortality rate of 4.5%. One patient had a partial dehiscence of the laparotomy wound. Three patients developed subcutaneous seromas. Mean weight losses during the first 4 months were 13, 11, 6 and 5 kg, with a loss of 70% of excess weight in patients approaching 1 year. No patient needs treatment for diarrhea. No serious secondary side-effects have been detected. CONCLUSION: This operation appears to result in very satisfactory weight loss, improved quality of life, and a low incidence of complications.
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