Ghrelin is unlikely to be an effective appetite-stimulatory treatment for patients with vagotomy and esophageal or gastric surgery. Our results suggest that an intact vagus nerve may be required for exogenous ghrelin to increase appetite and food intake in man.
We conclude by acknowledging that in spite of the fact that Gore-Tex (ePTFE) is currently being recommended as one of the choice materials for the prosthetic reconstruction of the hiatus. Our experience suggests that it should be used with great caution in the peri-oesophageal region.
Background Mirizzi syndrome is an uncommon complication of longstanding gallstone disease. Pre-operative diagnosis is challenging, and to date, there is no consensus on the standard management for this condition. Until recently open cholecystectomy was the standard of care for type II Mirizzi syndrome (McSherry classification). The objective of this study was to assess the incidence and management of type II Mirizzi syndrome in patients with proven or suspected choledocholithiasis undergoing laparoscopic common bile duct (CBD) exploration and present our experience in the laparoscopic management of this rare condition over the last 21 years. Methods Prospective data collection of eleven cases of type II Mirizzi syndrome amongst a series of 425 laparoscopic bile duct explorations was performed between 1998 and 2019. Demographic, clinical, diagnostic, intra-operative, and postoperative data were recorded. Results The incidence of type II Mirizzi syndrome was 2.6% in 425 laparoscopic CBD explorations. All operations were completed laparoscopically with closure of the defect over a decompressed CBD (T-tube n = 3, antegrade stent n = 5, transcystic drain n = 2), and in one case a non-drained duct was closed with Endoloop. Stone clearance rate was 100% (11 cases). In two patients the transinfundibular approach was used in conjunction with holmium laser lithotripsy to enable choledochoscopy and successful stone clearance. Three patients were complicated in the post-operative period with bile leak (n = 2) and lower respiratory tract infection (n = 1). An incidental gallbladder carcinoma was found in one patient. Conclusion Laparoscopic management of type II Mirizzi syndrome is feasible and safe when performed by experienced laparoscopic foregut surgeons. Laparoscopy and choledochoscopy can be combined with novel approaches and techniques to increase the likelihood of treatment success.
Insulinomas are rare pancreatic neuroendocrine tumors that are most commonly benign, solitary, and intrapancreatic. Uncontrolled insulin overproduction from the tumor produces neurological and adrenergic symptoms of hypoglycemia. Biochemical diagnosis is confirmed by the presence of Whipple's triad, along with corroborating measurements of blood glucose, insulin, proinsulin, C-peptide, β-hydroxybutyrate, and negative tests for hypoglycemic agents during a supervised fasting period. This is accompanied by accurate preoperative localization using both invasive and non-invasive imaging modalities. Following this, careful preoperative planning is required, with the ensuing procedure being preferably carried out laparoscopically. An integral part of the laparoscopic approach is the application of laparoscopic intraoperative ultrasound, which is indispensable for accurate intraoperative localization of the lesion in the pancreatic region. The extent of laparoscopic resection is dependent on preoperative and intraoperative findings, but most commonly involves tumor enucleation or distal pancreatectomy. When performed in an experienced surgical unit, laparoscopic resection is associated with minimal mortality and excellent long-term cure rates. Furthermore, this approach confers equivalent safety and efficacy rates to open resection, while improving cosmesis and reducing hospital stay. As such, laparoscopic resection should be considered in all cases of benign insulinoma where adequate surgical expertise is available.
Cysts of the adrenal gland are rare and are usually discovered incidentally. Large adrenal cysts can however present with severe abdominal pain and can be complicated by haemorrhage, rupture or infection. Adrenal pseudocysts appear to result from haemorrhage within a normal adrenal gland and can expand to accommodate massive amounts of fluid.We report the case of a 39-year-old woman who presented with worsening right upper quadrant pain. An ultrasound scan of the abdomen confirmed a large 29 cm × 20 cm × 17 cm cyst that appeared to originate in the upper pole of the right kidney causing displacement of the liver and right kidney.Following complete aspiration the cyst re-accumulated and an MRI scan demonstrated a thickened and irregular cyst wall with haemorrhagic fluid. Laparoscopic right adrenalectomy was performed and the histopathological diagnosis was confirmed as an adrenal pseudocyst.
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