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1.
Korean Journal of Anesthesiology ; : 56-60, 2010.
Artículo en Inglés | WPRIM | ID: wpr-95938

RESUMEN

BACKGROUND: The effect of the unilateral stellate ganglion block (SGB) on cardiovascular regulation remains controversial. We wished to evaluate the changes in heart rate variability (HRV) after a unilateral stellate ganglion block in patients with head and neck pain in the present study. METHODS: Patients with head and neck pain (n = 89) were studied. HRV was determined before and after a C6 unilateral stellate ganglion block (right-sided SGB, 40; left-sided SGB, 49) using a paratracheal technique with 1% mepivacaine (6 ml). RESULTS: There were no significant differences in HRV indices before and after right-sided SGB. The log scale of power in the high frequency range (lnHF) was increased and ratio of power in the low frequency range (LF) to power in the high frequency range (HF) ratio was decreased after left-sided SGB. CONCLUSIONS: These results demonstrated that left-sided SGB increased parasympathetic activities in patients with head and neck pain.


Asunto(s)
Humanos , Cabeza , Corazón , Frecuencia Cardíaca , Mepivacaína , Dolor de Cuello , Ganglio Estrellado
2.
Korean Journal of Anesthesiology ; : 302-307, 2009.
Artículo en Coreano | WPRIM | ID: wpr-79315

RESUMEN

BACKGROUND: Ultrasound guided-interscalene brachial plexus block (US-ISBPB) becomes more popular and has higher success rate. The aim of this study was to assess the analgesic effectiveness of US-ISBPB with low dose levobupivacaine for arthroscopic shoulder surgery. METHODS: The thirty patients undergoing elective arthroscopic shoulder surgery were randomly assigned to two groups: Group B(0.5), and Group B(0.25) received ultrasound-guided ISBPB using same volume 10 ml of 0.5% levobupivacaine and 0.25% levobupivacaine, respectively. General anesthesia was standardized. All patients received continuous intra-articular infusion of a local anesthetic. Remifentanil consumption during operation, verbal numerical rating scales (VNRS) after operation were assessed. The need for rescue analgesics in post-anesthesia care unit (PACU), sleep quality, and complications were documented. RESULTS: There were no significant differences in VNRS at 20 min, 30 min, 60 min, 120 min, 8 h, 24 h after surgery, remifentanil consumption during operation, the number of patients required rescue analgesics in the PACU, sleep quality, and complication up to 24 h after surgery. CONCLUSIONS: Ultrasound-guided interscalene brachial plexus block with levobupivacaine, 10 ml of 0.5% and 0.25%, provides effective analgesia after arthroscopic shoulder surgery.


Asunto(s)
Humanos , Analgesia , Analgésicos , Anestesia General , Plexo Braquial , Bupivacaína , Piperidinas , Hombro , Pesos y Medidas
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