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1.
Journal of the Korean Association of Oral and Maxillofacial Surgeons ; : 152-157, 2019.
Artículo en Inglés | WPRIM | ID: wpr-916005

RESUMEN

OBJECTIVES@#The number of elderly patients with systemic basal disease requiring invasive dental treatment has increased. Appropriate prediction of surgical invasiveness and combined use of psychosedation are thought to contribute to safe whole-body management. Dexmedetomidine (DEX) exhibits analgesic and anti-anxiolytic properties and causes mild respiratory depression. Studies regarding DEX use in elderly non-intubated patients are scarce. We aimed to use retrospective data to determine an effective dose of DEX to induce adequate sedation in elderly patients undergoing invasive dental surgery under local anesthesia.@*MATERIALS AND METHODS@#One hundred two patients aged 70 to 96 years were presumably appropriately controlled with sedation. DEX was administered at an initial loading dose of 2.0 to 3.1 µg/kg/hr for 10 minutes. We divided the patients into five groups by age and compared their blood pressures and heart rates.@*RESULTS@#In all five groups, blood pressure decreased suddenly at approximately 15 and 20 minutes after DEX administration. A marked decrease in blood pressure was noted in patients aged 75 to 79 years.@*CONCLUSION@#For elderly patients aged 75 years and above, the initial loading dose of DEX needs to be reduced to lower than half that required for young and middle-age adults.

2.
Journal of the Korean Association of Oral and Maxillofacial Surgeons ; : 152-157, 2019.
Artículo en Inglés | WPRIM | ID: wpr-766329

RESUMEN

OBJECTIVES: The number of elderly patients with systemic basal disease requiring invasive dental treatment has increased. Appropriate prediction of surgical invasiveness and combined use of psychosedation are thought to contribute to safe whole-body management. Dexmedetomidine (DEX) exhibits analgesic and anti-anxiolytic properties and causes mild respiratory depression. Studies regarding DEX use in elderly non-intubated patients are scarce. We aimed to use retrospective data to determine an effective dose of DEX to induce adequate sedation in elderly patients undergoing invasive dental surgery under local anesthesia. MATERIALS AND METHODS: One hundred two patients aged 70 to 96 years were presumably appropriately controlled with sedation. DEX was administered at an initial loading dose of 2.0 to 3.1 µg/kg/hr for 10 minutes. We divided the patients into five groups by age and compared their blood pressures and heart rates. RESULTS: In all five groups, blood pressure decreased suddenly at approximately 15 and 20 minutes after DEX administration. A marked decrease in blood pressure was noted in patients aged 75 to 79 years. CONCLUSION: For elderly patients aged 75 years and above, the initial loading dose of DEX needs to be reduced to lower than half that required for young and middle-age adults.


Asunto(s)
Adulto , Anciano , Humanos , Anestesia Local , Antígenos de Grupos Sanguíneos , Presión Sanguínea , Dexmedetomidina , Frecuencia Cardíaca , Insuficiencia Respiratoria , Estudios Retrospectivos
3.
Journal of Dental Anesthesia and Pain Medicine ; : 323-327, 2017.
Artículo en Inglés | WPRIM | ID: wpr-148445

RESUMEN

QT prolongation is an electrocardiographic change that can lead to lethal arrhythmia. Acquired QT prolongation is known to be caused by drugs and electrolyte abnormalities. We report three cases in which the prolonged QT interval was improved at the time of operation by briefly discontinuing the drugs suspected to have caused the QT prolongation observed on preoperative electrocardiography. The QTc of cases 1, 2, and 3 improved from 518 to 429 ms, 463 to 441 ms, and 473 to 443 ms on discontinuing the use of a gastrointestinal prokinetic agent, a proton pump inhibitor, and a molecular targeted drug, respectively. These cases were considered to have drug-induced QT prolongation. We reaffirmed that even drugs administered for conditions unrelated to cardiac diseases can have adverse side effect of QT prolongation. In conclusion, our cases indicate that dental surgeons should be aware of the dangerous and even potentially lethal side effects of QT prolongation. For safe oral and maxillofacial surgery, cooperation with medical departments in various fields is important.


Asunto(s)
Arritmias Cardíacas , Electrocardiografía , Cardiopatías , Bombas de Protones , Cirujanos , Cirugía Bucal
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