Chong-yu Zhang

Learn More
The objective of this article is to evaluate the efficacy of Doxazosin Mesylate Controlled Release Tablets for preoperative treatment of patients with pheochromocytoma. Between 2003 and 2008, 67 patients with confirmed diagnoses of pheochromocytoma were enrolled in this study. According to the drug used in preoperative management, patients were divided into(More)
To evaluate the efficacy of nephrostomy balloon dilation (NBD) for patients who developed vesicourethral anastomotic stricture (VAS) following radical prostatectomy. NBD was performed in patients who developed VAS following radical prostatectomy. Quality of life (QoL), International Prostate Symptom Score (IPSS) and maximal urinary flow rate (Qmax) were(More)
BACKGROUND Improving the success rate of ureteroscopic lithotripsy for proximal ureteral stones is the hot issue in this field. Here we reported our experience on the treatment of proximal ureteral stones. METHODS From 2005 to 2010, 187 consecutive patients with proximal ureteral stones who underwent ureteroscopic lithotripsy were enrolled. The initial 52(More)
Two new phenanthrene and 9, 10-dihydrophenanthrene derivatives (1–2) with six known congeners (3–8) were isolated from the extraction of stems of Dendrobium officinale. Compounds 1 and 2 were based on carbon skeleton in which phenanthrene and 9, 10-dihydrophenanthrene moiety were linked with a phenylpropane unit through a dioxane bridge, respectively. Their(More)
OBJECTIVE To summarize the experience and lessons from 100 cases retropubic radical prostatectomy performed in the past 10 years. METHODS From July 1999 to July 2009, we performed 100 cases of retropubic radical prostatectomy, of which 84 were followed up for 3 - 120 months. We analyzed their preoperative age, PSA level, amount of intraoperative blood(More)
OBJECTIVE To discuss the effect of urine control after radical retropubic prostatectomy by preserve the membranous part of sphincter urethrae and the neurovascular bundle, or to rebuild the bladder neck. METHODS The radical retropubic prostatectomy was performed on a total of 32 cases of prostate cancer. We preserve the membranous part of sphincter(More)
OBJECTIVE This study aimed to investigate the differences and inhibitory effects of diethyl citrate (Et2Cit), sodium citrate (Na3Cit), and phosphonoformic acid (PFA) on calcification induced by high inorganic phosphate (Pi) contents in mouse aortic smooth muscle cells (MOVAS) and to develop drugs that can induce anticoagulation and inhibit vascular(More)
OBJECTIVE To search for an effective method of reducing intraoperative blood loss in radical retropubic prostatectomy (RRP). METHODS We performed RRP for 100 patients with prostate cancer, 50 (group A) with the Walsh or Poor method for handling the dorsal venous complex (DVC), and the other 50 (group B) through the following three additional procedures(More)