Publications by authors named "Sonzogni V"

Introduction: The prevalence of persistent postsurgical pain in children is over 20% after major surgeries; however, data are scarce on the prevalence, character, and risk factors among children undergoing common ambulatory surgeries. The primary aim of this study was to evaluate the prevalence of persistent pain following pediatric ambulatory surgery at 1, 3, and 6 months. Secondary aims were to identify risk factors and characterize the pain and consequences of persistent postsurgical pain.

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Background: Systemic response to cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) causes the activation of endocrine, metabolic, hemodynamic and inflammatory processes. The aim of this work is to describe and analyze the time course of the inflammatory markers concentration during CRS+HIPEC in plasma and peritoneal fluids and the association with hemodynamic and metabolic parameters.

Methods: Pre-, intra- and postoperative data were collected.

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Introduction: Systemic response to cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) causes the activation of endocrine, metabolic, hemodynamic and inflammatory processes. The aim of this work is to describe and analyze the time course of the inflammatory markers concentration during CRS+HIPEC in plasma and peritoneal fluids and the association with hemodynamic and metabolic parameters.

Material And Methods: Pre-, Intra- and Post-operative data were collected.

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Background: The use of isotonic electrolytic solutions for the intraoperative fluid management in children is largely recognized, but the exact composition still needs to be defined.

Objectives: The primary objective of this randomized controlled open trial was to compare the changes in chloride plasma concentration using two intraoperative isotonic fluid regimens (Sterofundin vs. normal saline, both added with 1% of glucose) in children undergoing major surgery.

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Background: The preoperative assessment involves the process of evaluating the patient's clinical condition, which is intended to define the physical status classification, eligibility for anesthesia and the risks associated with it, thus providing elements to select the most appropriate and individualized anesthetic plan. The aim of this recommendation was provide a framework reference for the preoperative evaluation assessment of pediatric patients undergoing elective surgery or diagnostic/therapeutic procedures.

Methods: We obtained evidence concerning pediatric preoperative evaluation from a systematic search of the electronic databases MEDLINE and Embase between January 1998 and February 2012.

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Background: Pediatric craniosynostosis repair (CR) involves wide scalp dissections with multiple osteotomies and has been associated with significant morbidity. The aim of this study was to document the impact of perioperative complications on prolonged mechanical ventilation after CR.

Methods: Data were collected from the anesthesia records, Pediatric Intensive Care Unit (PICU) progress notes and discharge summaries.

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Myasthenia gravis (MG) is an autoimmune disease marked by weakness of voluntary musculature. Medical and surgical therapy of adult myasthenia is well documented. There is little pediatric surgical evidence, only a few case reports being available.

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Objectives/aim: This randomized control trial was designed to evaluate the incidence of emergence delirium (ED) in preschool children receiving sevoflurane or desflurane anesthesia combined with an effective caudal block.

Background: While ED has been described in children receiving sevoflurane or desflurane anesthesia, a direct comparison between the two agents using a validated ED assessment tool has not been reported previously.

Methods/materials: Two hundred and sixty preschool children scheduled for elective sub-umbilical surgery were randomized to receive sevoflurane or desflurane anesthesia combined with a caudal block.

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Intraoperative transfusion of red blood cells (RBC) is associated with adverse outcome after LT in adult patients. This relationship in pediatric patients has not been studied in depth, and its analysis is the scope of this study. Forty-one variables associated with outcome, including blood product transfusions, were studied in a cohort of 243 pediatric patients undergoing a cadaveric LT between 2002 and 2009 at the General Hospital of Bergamo.

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Background: Video-assisted thoracoscopic extended thymectomy (VATET) is well established in the treatment of myasthenia gravis; however, patient selection remains controversial. Perioperative management protocol is lacking, and concerns regarding post-operative myasthenic crisis still remain. We performed a retrospective observational study evaluating the impact of the introduction of a protocol in the perioperative management of patients with myasthenia gravis who underwent VATET.

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The preliminary experience of the first Italian program of pediatric intestinal transplantation is presented herein. A multidisciplinary group with broad experience in pediatric solid organ transplantation started the program. Nine children with complications of chronic intestinal failure were listed for transplantation.

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Background: Although several studies of the use of desflurane in anesthesia have revealed many desirable qualities, there are no data on the use and effects especially on the neuromuscular function of desflurane on myasthenia gravis (MG) patients. The purpose of this study was to evaluate the use of either desflurane or propofol, both combined with remifentanil, in patients with MG undergoing a video-assisted thoracoscopic-extended thymectomy (VATET).

Methods: Thirty-six MG patients who underwent VATET were enrolled.

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Background: Ketamine is used increasingly in paediatric anaesthetic practice to prolong the action of a caudal block. This study was designed to determine if adding S(+)-ketamine 0.5 mg kg(-1) allows a lower concentration of levobupivacaine to be used for caudal anaesthesia without loss of clinical effectiveness.

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Mild and moderate CHD in infants do not always need surgical correction but possibly augment the operative risk of patients with ESLD undergoing OLT. The aim of this study is to assess the intraoperative and post-operative complications and evaluate the outcome of these patients. The records of 196 patients were reviewed retrospectively in a cohort study, 50 CHD were found in 36 patients undergoing 41 OLT procedures.

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Sequential bilateral single lung-liver transplantation (SBSL-LTx) is a therapeutic option for patients with end stage lung and liver disease (ESLLD) due to cystic fibrosis (CF). A few cases have been reported, all of them were performed with the use of cardio-pulmonary by-pass (CPB). We performed SBSL-LTx in three young men affected by CF.

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Background: We hypothesized that without the analgesic effects of volatile anesthetics, caudal 0.20% ropivacaine would be less effective during surgical stimulation than 0.20% bupivacaine or 0.

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Liver transplantation is an accepted option of treatment in patients with inborn errors of metabolism limited to or mainly located into hepatocytes who have not responded well to medical treatment. Recurrent metabolic failure and neurological impairment might be an indication for early transplantation in patients with organic acidaemias. We discuss the anaesthetic management and metabolic implications of acidaemia in the first two cases of successfully treated propionic and methylmalonic acidaemia in Italy.

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We reviewed the clinical data of 30 children-hospitalized for acute liver failure in the last 6 years. Ten patients were not listed for liver transplantation OLTX. Their clinical conditions gradually improved and they are all alive without deficit.

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Factor H-associated hemolytic uremic syndrome (HUS) is a genetic form of thrombotic microangiopathy characterized by deficient factor H (HF-1) levels/activity and uncontrolled complement activation. The disorder mostly leads to end-stage renal disease and often recurs after kidney transplantation. We previously demonstrated that in a child with HF-1-associated HUS a simultaneous kidney and liver transplantation restored the defective HF-1 with no recurrence of the disease in the transplanted kidney.

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Background: The rationale for replacing racemic bupivacaine with the s-enantiomers levobupivacaine and ropivacaine is to provide a wider margin of safety with the same analgesic efficacy and less postoperative motor block. In a randomized, double-blind, phase III, controlled trial we compared the caudal administration of levobupivacaine 0.25% and ropivacaine 0.

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We assessed the feasibility and efficacy of subcutaneous erythropoietin alpha (EPO) therapy and preoperative autologous blood donation (ABD) in children undergoing open heart surgery. Thirty-nine children were treated consecutively with EPO (100 U x kg(-1) s.c.

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Background: Traumatic rupture of the aortic isthmus is a highly lethal lesion. Controversy currently exists regarding the best management of the lower body circulation system during repair of an acute aortic transsection. The aim of this study was to evaluate our results using different methods of distal aorta perfusion in order to prevent ischemia of the spinal cord.

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Background: Evaluation of influence of pre-op continuous e.v. heparin infusion in patients undergoing urgent myocardial surgical revascularization, on the anticoagulation threshold needed for cardiopulmonary bypass.

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