The Kurume medical journal
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Randomized Controlled Trial Comparative Study
A Randomized Trial of Respiratory Status during Airway Stenting under General Anesthesia Spontaneous Respiration vs. Controlled Ventilation with Muscle Relaxants.
Airway stenting is a procedure in which a stent is inserted into a stenotic site in the airway. However, the optimal ventilation for airway stenting remains controversial. We have planned a randomized, unblinded controlled study to compare intraoperative respiratory status by dividing patients, who underwent airway stenting, into spontaneous respiration (SP) and controlled ventilation with muscle relaxants (MR) groups. ⋯ Currently, there is no evidence of anesthetic methods affecting airway stenting. Some studies have claimed that muscle relaxants worsen airway stenosis, while others have reported stable anesthetic management of controlled ventilation with muscle relaxants in airway stenting. This study may aid in clarifying anesthetic methods for airway stenting.
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Randomized Controlled Trial Comparative Study
A comparative study of treatments for chronic subdural hematoma: burr hole drainage versus burr hole drainage with irrigation.
Although chronic subdural hematoma (CSDH) is one of the most common entities encountered in neurosurgical practice, optimal surgical treatment for CSDH remains controversial. This study retrospectively compared results for CSDH between burr hole drainage alone and burr hole drainage with irrigation. Ninety-two patients with CSDH underwent surgery at our institution from January 1998 through December 2009. ⋯ The recurrence rate was higher in Group A compared to Group B (10.3% vs. 2.9%). The authors used logistic regression analysis to identify factors associated with the outcome of CSDH, and found that duration of hospital stay, anti-coagulant therapy, presence of dementia and burr hole drainage alone were significantly associated with poor outcome of CSDH. These results indicate that burr hole drainage with irrigation has a significantly stronger association with good outcomes compared to drainage alone, and could be a reliable and effective operative method for the treatment of CSDH with a lower recurrence rate.