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M Luis

Publications and source records attributed to M Luis.

23 records · Page 2Linked to original sources
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[External laryngeal injuries. Study of 12 cases].

Laryngeal trauma can cause severe, life-threatening damage in the upper respiratory tract. Management of trauma presents difficulties with respect to airway control and the procedural decisions are challenging. We studied 12 patients treated at our hospital after laryngeal trauma of various degrees of severity. Respiratory failure detected in some cases was critical from the moment of trauma, whereas other patients were asymptomatic at first but experienced progressive respiratory failure over the next few hours. We looked at the method applied to gain initial control of the upper airway and also considered the laryngeal lesions themselves, associated lesions and established treatment. We then looked for relationships between these and evolution and laryngeal sequelae 6 months after trauma. In agreement with other studies we found that the severity of sequelae depends on the severity of the lesion incurred and on how early treatment is established. The choice of whether to use orotracheal intubation or tracheotomy to control the upper airway was less important, as that decision would depend largely on severity of the lesion, although orotracheal intubation is recommended whenever possible.

Acute Disease↗
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[Comparative study between anesthesia by continuous perfusion with propofol or thiopental-isoflurane in laryngeal surgery].

OBJECTIVE: To compare two anesthetic protocols for maintenance of anesthesia during laryngectomy (propofol vs thiopental-isoflurane), assessing its effects on intraoperative hemodynamic stability and recovery time after withdrawal of anesthesia. PATIENTS AND METHOD: Thirty-one patients undergoing laryngectomy. Anesthetic technique was the same except for the maintenance anesthetic used (isoflurane in group I [n = 16]; propofol in group P [n = 15]). We recorded heart rate and systolic/diastolic arterial pressure before surgery, 10 minutes after induction, at 10, 60 and 120 min after start of surgery and at the end of the procedure. Postanesthesia recovery time was measured by the Steward test (recovery of consciousness, control of voluntary movement and of breathing) applied at 3, 5, 10, 30 and 60 min after withdrawal of anesthesia. RESULTS: There were no demographic differences between the two groups and heart rate and systolic/diastolic pressures were comparable. Postanesthetic recovery time was shorter in group P than in group I, with a statistically significant difference 5 min after withdrawal of drug (p < 0.05) owing to the item recovery of consciousness in the Steward test (p < 0.05 at times 5 and 10 min for this item). There were no significant differences in control of breathing or movement. CONCLUSIONS: Propofol for anesthetic maintenance is effective and safe. There are no differences in hemodynamic changes produced by propofol and isoflurane. Time until recovery of consciousness is longer with isoflurane, although we believe that this is not clinically relevant in this type of procedure.

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