Revista brasileira de anestesiologia
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Scleroderma or progressive systemic sclerosis is a systemic connective tissue disease of unknown origin, which normally courses with microangiopathy, extremities ischemia and severe pain. This report aimed at describing a case of intravenous lidocaine to treat ischemic pain and at emphasizing potential anti-inflammatory action of local anesthetics in scleroderma patients. ⋯ Pain and other symptoms relief after intravenous lidocaine suggests that local anesthetics are able to modulate inflammatory response in different scleroderma stages.
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Rev Bras Anestesiol · Dec 2003
[Effects of tracheal tube cuff limit pressure (25 cmH2O) and "seal" pressure on tracheal mucosa of dogs.].
Injuries of tracheal mucosa in contact with tracheal tube cuff is a function of cuff pressure and exposure time. This study aimed at analyzing injuries of tracheal mucosa in contact with tracheal tube cuff inflated to reach "seal" pressure or limit 25 cmH2O pressure, below critical 30 cmH2O, to prevent tracheal damage. ⋯ In dogs under our experimental conditions, tracheal tube cuff inflation to 25 cmH2O limit or to "seal" pressure to prevent air leakage has determined minor injuries to the tracheal mucosa in contact with tracheal tube cuff, without significant differences between groups.
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Rev Bras Anestesiol · Dec 2003
[Hemodynamic changes during pneumoperitoneum in volume and pressure controlled ventilated dogs.].
There are no studies associating ventilation-induced effects and hemodynamic changes during pneumoperitoneum. This study aimed at evaluating hemodynamic changes determined by pneumoperitoneum in dogs under volume and pressure controlled ventilation. ⋯ Ventilation modes have not determined hemodynamic differences between studied groups. Anesthetic technique and intra-abdominal pressure have determined mean blood pressure stability, probably due to the absence of systemic vascular resistance index increase.
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Since controlling tracheal tube cuffs internal pressure is unusual and there is no detailed description in the literature on how to maintain it below 30 cmH2O without manometer, this study aimed at checking tracheal tube intra-cuff pressures in intensive care unit and operating room patients. A maneuver was tested to keep intra-cuff pressure below 30 cmH2O, but at minimum levels needed for ventilator cycling with no tidal volume leakage. ⋯ Both groups had intra-cuff pressures higher than necessary to keep ventilator cycling with no tidal volume leakage. Maneuver to keep intra-cuff pressure below 30 cmH2O was simple and cheap.
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Rev Bras Anestesiol · Dec 2003
[Clonidine as adjuvant therapy for alcohol withdrawal syndrome in intensive care unit: case report.].
Sedation of patients with past history of alcohol and drug abuse in Intensive Care Units (ICU) is a challenge due to the high incidence of sedative drugs tolerance and withdrawal syndromes. This report aimed at describing a case of a young patient admitted to the ICU who developed alcohol withdrawal syndrome and tolerance to sedatives, resolved only after clonidine administration. ⋯ Benzodiazepines should remain the drugs of choice for the treatment of acute alcohol withdrawal syndrome. However in this report, only adjuvant clonidine was able to adequately treat the patient.