Jian-xiong An

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BACKGROUND Patient safety has been gained much more attention in recent years. The authors reviewed patients who had cardiac arrest in the operating rooms undergoing noncardiac surgery between January 1989 and December 2001 at the University of Pittsburgh Medical Center, USA. The main objectives of the study were to determine the incidence of intraoperative(More)
BACKGROUND Understanding the mechanism of trigeminal neuralgia may be elucidated by developing laboratory animal models that closely mimic the features of this specific type of neuropathic pain. We have developed an experimental animal model for trigeminal neuralgia using a technique of injecting cobra venom into the infraorbital nerve (ION) trunk. (More)
BACKGROUND Ambient aerosol fine particulate matter (PM2.5) is associated with male reproductive toxicity in experiments and may have adverse effects in the female. However, studies evaluating the protective effects and precise mechanisms of aspirin, Vitamin C, Vitamin E, or ozone against toxic effects of PM2.5are sparse. This study was conducted to(More)
BACKGROUND A new animal model of trigeminal neuralgia produced by injecting cobra venom into the infraorbital nerve (ION) trunk in rats had been developed. We tested and extended the model by observing the ultrastructural alterations of neurons and ameliorative effect of pregabalin in cobra venom-induced pain behaviors of rats. OBJECTIVES The goal of this(More)
BACKGROUND Patients with chronic pain usually suffer from cognitive impairment, with memory deterioration being the most common deficit that affects daily functioning and quality of life. The causes for this impairment are not clear despite intensive clinical studies. Few studies have evaluated impaired learning using animal models of persistent pain. (More)
To the Editor: A 54‐year‐old woman with no significant history of a headache or hypertension underwent epidural oxygen‐ozone injection at a concentration of 30 μg/ml (3 ml) for cervical disc herniation at cervical vertebra (C6–C7) level. Throughout the procedure, the routine monitorings of blood pressure, heart rate, and blood oxygen saturation were(More)
BACKGROUND Electroacupuncture (EA) is widely applied to treat neuropathic pain. Brachial plexus neuralgia (BPN) is a common form of chronic persistent pain. Few studies have evaluated the analgesic effects and mechanism of EA using the novel animal model of BPN. OBJECTIVE To observe the curative effects of repeated EA on curing BPN induced by(More)
BACKGROUND Spinal epidural hematoma (SEH) is a rare but acute and possibly devastating clinical event. The purpose of this study is to assess the multiple etiologies of SEH seen in an academic medical center over a 15-year span. We have examined the etiologies of SEH occurring in a single institution, the University of Pittsburgh Medical Center (UPMC) over(More)
BACKGROUND Neuropathic pain is induced by injury or disease of the nervous system. Most studies have so far focused only on a few known molecules and signaling pathways among neurons. However, all signal transmissions involved in neuropathic pain appear to be an integral system at different molecular levels. This study was designed to screen the(More)