Zhonghua yi xue za zhi
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Zhonghua yi xue za zhi · Apr 2008
Multicenter Study Clinical Trial[Application of remifentanil in neurosurgical anesthesia: a multi-center study].
To observe the hemodynamic changes, recovery profiles, and side effects of propofol and remifentanil anesthesia by target controlled infusion (TCI). At different neurosurgical stages in patients undergoing neurosurgical operations. ⋯ When combined with 3 microg/ml propofol, the plasma target-concentrations of remifentanil, 3.0, 3.5, 3.6, and 3.4 ng/ml before skin incision, during skull opening, during intracranial procedure, and at skull closing respectively, can provide rapid induction, faster emergence , and better hemodynamic stability.
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Zhonghua yi xue za zhi · Apr 2008
[Effects of short-term continuous positive airway pressure treatment on arterial stiffness in patients with obstructive sleep apnea hypopnea syndrome].
To investigate the effect of short-term continuous positive airway pressure (CPAP) treatment on the arterial stiffness in patients with obstructive sleep apnea hypopnea syndrome (OSAHS). ⋯ Sleep induces increase of artery stiffness in OSAHS patients, but not in the normal controls. Short-term CPAP may decrease CAVI without affecting the blood pressures. Early atherosclerosis in the patients with OSAHS may be reversed by CPAP therapy.
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Zhonghua yi xue za zhi · Apr 2008
[Correlation of tip perfusion index with hemodynamics and catecholamines in patients undergoing general anesthesia].
To explore the correlation of tip perfusion index (TPI) with the hemodynamics and catecholamines and to assess the value and meaning of TPI for monitoring stress responses in general anesthesia. ⋯ (1) The TPI change is correlated well with the blood pressure change during stresses, and the TPI change caused by electrostimulus can predict the blood pressure change caused by tracheal intubation and head holder setting. (2) The TPI change reflects the norepinephrine plasma level indirectly.
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Zhonghua yi xue za zhi · Apr 2008
Randomized Controlled Trial[Effects of different doses and concentrations of ropivacaine in axillary brachial plexus block].
To evaluate clinic pharmacodynamics of ropivacaine hydrochloride, a new long-acting amide type local anaesthetic, in Chinese patients undergoing neurolysis and tendolysis of forearm through axillary brachial plexus block. ⋯ Sensory and motor never can be blocked perfectly when the dose of ropivacaine is between 1.5 mg/kg and 2.0 mg/kg and the concentration is between 0.30%-0.35%. When the doses of ropivacaine is 1.25 mg/kg and the concentration is 0.20%-0.25% the starting and consummating time are longer and persisting time is shorter. When the doses of ropivacaine is 1.00 mg/kg and the concentration is 0.15%-0.20% the starting and consummating time are longer and only satisfies external debridement and suture without tourniquets.
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Zhonghua yi xue za zhi · Apr 2008
[Bony anatomical characteristics of posterolateral region of lumbar vertebrae and clinical significance thereof].
To offer anatomical supports to the approach of lateral par interarticularis for far lateral lumbar discectomy. ⋯ At the level L1-L2 to L4-L5, the lateral par interarticularis approach is an easy, convenient, and anatomically favorable way to reach the far lateral lumbar disc herniation, but the progressive diminution of operative window increases the bony excision in lateral par interarticularis, root of transverse process, inferior portion of pedicle and superior portion of zygapophysial joint. At the level of 15-S1, the operative window becomes very tight. The excess of bone removal and expected instability of lumbar spine make the lateral par interarticularis approach tough to be done.