Fiona Siobhan Ryan

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Phaeochromocytoma is a rare catecholamine-secreting tumour that may arise at any age, but is particularly unusual in childhood. The case of a 6-year-old girl who presented with a prolonged history of general malaise, headaches and abdominal pain is reported. On examination, she was noted to have malignant hypertension. Subsequent imaging of the abdomen(More)
INTRODUCTION Satisfaction with the outcome of orthognathic treatment is generally high; however, an important minority remains dissatisfied with the results. The reasons for this could be inadequate patient understanding and preparation, external motivation, and unrealistic expectations. In-depth appreciation of these issues can be obtained using(More)
The morbidity related to caustic soda (sodium hydroxide) ingestion is well described in the literature. The majority of publications have concentrated on the effects to the trachea and gastrointestinal tract, with little reference to the oral and peri-oral areas. Accidental ingestion of sodium hydroxide-containing substances is fortunately rare; however the(More)
Mandibular distraction osteogenesis has become a popular surgical modality due to its many advantages over conventional orthognathic surgical procedures. However, in spite of the technique having been used for over 15 years, no concrete long term results are available regarding the stability of results. We discuss the various studies which have reported(More)
PURPOSE Patient's expectations of treatment outcome are one of the key determinants of satisfaction. The aim of this study was to evaluate orthognathic patients' expectations of the outcome of orthognathic treatment. METHODS This study was a cross-sectional qualitative study involving in-depth interviews with patients with dentofacial deformities.(More)
In the oral cavity, transmigration is defined as a tooth that crosses the mid-line by more than half its length. Following extensive literature review, it was found that, although well documented with respect to mandibular canines, there were only two publications detailing maxillary cuspid transmigration. This report presents a case of transmigration where(More)
INTRODUCTION Health-information-seeking behavior is the purposive search for health-related information. The literature contains few articles examining this behavior as it relates to orthodontics; therefore, the aim of this study was to investigate how adolescent orthodontic patients seek information about their treatment, why they search for this(More)
PURPOSE Inferior dental nerve paresthesia is a well-known risk of orthognathic surgery, but little is known about the effects of altered sensation in day-to-day life. Therefore the aim of this study was to assess the impact of altered sensation after orthognathic treatment. PATIENTS AND METHODS The study was divided into 2 parts: the first phase involved(More)
INTRODUCTION Despite the high prevalence of dental anxiety in children, there is little research examining anxiety before orthodontic procedures. This parallel-group randomized controlled trial assessed whether provision of additional multimedia information regarding the bond-up procedure affected anxiety in adolescent orthodontic patients. The effects of(More)
OBJECTIVES To evaluate the pharmacokinetics and effects of the first immediate-release (IR) niacin-aspirin prodrug (ST0702) on lipid, prostaglandin and thromboxane levels in non-human primates (NHPs). METHODS We compared 28 mg/kg crystalline IR niacin, equimolar doses of crystalline IR ST0702 and control on low density lipoprotein cholesterol (LDL-C),(More)