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Biomedical subjects

S Bradariolo

Publications and source records attributed to S Bradariolo.

11 recordsLinked to original sources

[Translarnygeal tracheostomy (TLT). A variant technique for use in hypoxemic conditions and in the difficult airway].

AIM: To prepare a variation to the original Fantoni technique for the purpose of performing a translaryngeal tracheostomy (TLT) without the need for repeated endotracheal intubation operations, neck movements and phases of apnea, in order to make this technique practicable and completely safe in the case of patients who are difficult to intubate, have cervical rachis injuries or suffer from serious hypoxemia. SETTING: Multi-purpose intensive care. PATIENTS: Fourteen patients (18-79 years old) to undergo tracheostomy, suffering from various limitations contraindicating the performance of a TLT according to the original Fantoni technique. OPERATION: Distinctive elements of the illustrated technique are: 1) the use of a fiber-bronchoscope in place of the rigid tracheoscope; 2) the insertion into the trachea of a particular guidewire, with J-shaped tip, placed on the outside of the artificial airway; 3) the use of a small-diameter endotracheal tube positioned coaxially to the original airway, to ventilate the patient during the introduction of the tracheostomy tube. RESULTS: TLT was performed on 13 patients. In one case it was not performed because of the impossibility of introducing the thin endotracheal tube in the original artificial airway. No problems, complications or SatO2 reductions occurred during operations. CONCLUSIONS: The variation presented is a safe and easy-to-perform technique considered advantageous in the case of TLTs performed on patients suffering from serious hypoxemia, who are difficult to intubate or have cervical rachis injuries.

Adolescent↗

Pulmonary gas exchange during orthotopic liver transplantation.

The aim of this study was to evaluate the efficiency of pulmonary gas exchange during the course of liver transplantation. We studied 25 adult cirrhotic patients undergoing transplantation, performed with venovenous bypass. A significant increase in PaO2, and a significant decrease in physiological shunt and alveolar-arterial partial pressure difference were observed just before the start of venovenous bypass. These changes were probably caused by modifications in respiratory mechanics, such as an increase in functional residual capacity. There were no other respiratory changes during the anhepatic and post-anhepatic phases.

Adolescent↗

Erythrocyte electrolyte abnormalities.

In contrast to lymphocytes and skeletal muscle cells, erythrocyte electrolytes may be easily determined. In this study Na, K, and Mg concentrations in plasma and erythrocytes of 100 consecutive ICU patients were compared to evaluate their potential clinical usefulness. The predictive indices of electrolyte changes in plasma vs. those in erythrocytes were low for all of the electrolytes studied. The erythrocyte Mg assessment was particularly useful for the high frequency of abnormalities observed, because it was less affected than plasma Mg by such transitory clinical states as hemodilution or lipolysis. The erythrocyte K was less frequently altered; no patient with a high K deficit was studied, excluding one patient with Crohn's disease. Finally, abnormally high erythrocyte Na levels correlated closely with some pathologic status, in particular respiratory failure.

Erythrocytes↗

[Anesthesiological problems in the obese patient. Clinical experience in the treatment of 54 cases].

Obesity its complications and its surgical treatment is important for the anaesthesiologist. The pathophysiological and clinical consequences of obesity involve mainly respiratory, cardiovascular and metabolic functions so that the anaesthesia and postoperative care may affect surgical outcome of these patients. The preoperative, the anesthetic management and the postoperative complications of 54 grossly obese patients undergoing weight-reducing abdominal surgery (bilio-pancreatic diversion) have been studied. According to the Authors' experience, careful preoperative evaluation, intraoperative monitoring, postoperative intensive care, are enough to reduce the haemodynamic, respiratory and metabolic complications.

Adult↗

[Changes in intraerythrocyte electrolytes in open-heart cardiosurgical interventions].

The changes of erythrocyte Na, K, C1, and Mg during open-heart surgery were studied in 10 patients undergoing aorto-coronary bypass and in 10 patients undergoing valvular replacement and chronically treated with digitalis and diuretics. The results showed: initial Mg levels lower in both groups of patients than in 10 healthy subjects utilized as controls (p less than .01); higher initial Na levels in patients treated with digitalis and diuretics than in controls (p less than .001); no electrolyte change during extracorporeal circulation; significantly increased Na values at the end of surgery and in the 1st postoperative day, that were probably caused by erythrocyte damage during CPB. The increase was observed following the CPB because of the slow rate of erythrocyte Na changes.

Aged↗

[Anesthesiologic problems in hypothyroidism. Description of a clinical case].

The successful management of a case of primary hypothyroidism, who underwent hemicolectomy, is described. Anaesthesia was induced with TPS and maintained with only isoflurane. Neuromuscular blockade was achieved by atracurium. Hemodynamic, respiratory and neuromuscular monitoring was performed. This complex intraoperative monitoring allowed a quick recovery of the patient without any complications.

Anesthesia↗