Rongchuan Cheng

Learn More
It is known that among women over the age of 65, bone mineral density is lower, and the risk of hip fracture higher, in smokers than non-smokers. We report a study in 1334 health pre- and postmenopausal women aged 35–64 years, to determine whether this effect can be attributed to lower oestrogen levels in smokers. Among 676 premenopausal women forearm bone(More)
AIMS To examine single nucleotide polymorphisms in the protein tyrosine phosphatase N22 gene (PTPN22) and to study their association with Type 1 diabetes in a Chinese cohort. METHODS Three hundred and sixty-four young patients with Type 1 diabetes and 719 healthy children were included in this case-controlled study. The genotypes of rs1217385, rs2488457(More)
OBJECTIVE Describe intubation conditions and adverse events when using atropine fentanyl +/- succinylcholine as premedication. DESIGN Prospective observational study, as part of a quality improvement initiative. SETTING Two level 3 neonatal intensive care units in Ottawa, Canada PATIENTS 60 infants, median 27 weeks gestation, 1023 g at birth were(More)
INTRODUCTION This study aimed to investigate the cerebral function deficits in patients with leukoaraiosis (LA) and the correlation with white matter hyperintensity (WMH) using functional MRI (fMRI) technology. MATERIALS AND METHODS Twenty-eight patients with LA and 30 volunteers were enrolled in this study. All patients underwent structural MRI and(More)
Objective: To study the feasibility of (18)F-fluoro-L-dihydroxyphenylalanine positron emission tomography/Computed tomography ((18)F-DOPA PET/CT) scanning in the localization and differential diagnosing of focal versus diffuse form of pancreas lesions in patients with hyperinsulinemic hypoglycemia (HH). Method: Twenty-four patients were diagnosed with HH(More)
OBJECTIVE To study the long term results and functional recovery of partial laryngectomy in the treatment of glottic and supraglottic types of laryngeal carcinoma. METHOD A series of 70 cases operated on between July 1978 and August 1998 were analysed, of whom 60 were glottic, 10 were supraglottic type laryngeal carcinoma. Among them, 22 cases underwent(More)
Ten years ago, tonsillectomy was the most common operation in ENT service. Guillotine tonsillectomy without anesthesia is a simple, fast, and safe operative procedure. From 1958-1981, 34,000 non-anesthetic guillotine operations were performed at our university. This method gives fairly satisfactory results. More than 93% of the patients experienced no pain(More)
OBJECTIVE The application of intravenous immune globulin (IVIG) has been recommended for treating hemolysis in neonates for several years. But in clinical work, more than one study reported that IVIG treatment maybe increased the risk of NEC in hemolytic patients. In light of this situation, we performed this meta-analysis. MATERIALS AND METHODS We(More)
OBJECTIVE The primary objective was to evaluate the efficacy and safety of droxidopa as add-on therapy in improving stiffness, tremors and other motor functions and activities of daily living for moderate-to-severe Parkinson's disease (PD). METHODS PD patients, above Hoehn-Yahr III (including Hoehn-Yahr III), were randomly assigned to drug therapy(More)
  • 1