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AIM To investigate the effect of orthognathic surgery, in particular genioplasty, on pulp sensibility and pulp blood flow (PBF). METHODOLOGY Pulp blood flow monitoring and CO(2) pulp sensibility testing were performed on 101 mandibular anterior teeth from 17 subjects who received mandibular bilateral sagittal split osteotomy (BSSO) with or without(More)
We emphasise the importance of high-resolution CT with reconstruction in the demonstration of submandibular gland (SMG) sialolithiasis and its role in monitoring treatment. We studied 76 patients with swollen and tender SMG, some with fever. They underwent conventional radiography, sonography (US) and high-resolution CT with reconstructions. Conventional(More)
Anterior cerebral artery infarction is uncommon. We studied the topographical distribution of the lesions and the resulting clinical effects for a better understanding of their relationship and the functional outcome. There were 17 patients; the mean age of the cohort was 71 years. There were 10 men and 7 women. Two clinical syndromes were identified in(More)
OBJECTIVE It is assumed that the reduced ventilatory control during sleep may be related to the nocturnal hypoxia in patients with obstructive sleep apnea hypopnea syndrome (OSAHS) and daytime CO(2) retention. METHODS Oxygen desaturation index (ODI(4)), sleep time spent when SaO(2) was below 90% (SIT(90)), the lowest SaO(2) (LSaO(2)) and the mean SaO(2)(More)
We studied nine patients with cerebral ptosis and gaze deviation following an acute stroke. The brains of all nine showed an extensive lesion in the fronto-parieto-temporal regions. In five the stroke was left hemispheric. The assumption is that cerebral ptosis may have a bihemispheric representation and results from damage to the connections rather than to(More)
OBJECTIVE To understand the influence of different sleep stages on respiratory regulation in normal people. METHODS We measured ventilation (VE) and occlusion pressure (P0.1) responses to hyperoxia hypercapnia (deltaVE/deltaPaCO2, deltaP0.1/deltaPaCO2) and isocapnic hypoxia (deltaVE/deltaSaO2 and deltaP0.1/deltaSaO2) in eleven non-snoring healthy people(More)
OBJECTIVE To describe the blood gas features and short-term outcomes of noninvasive positive pressure ventilation (NPPV) treatment for acute respiratory failure (ARF) in patients with severe acute respiratory syndrome (SARS) in this retrospective case series study sought. METHODS Between April 22 and May 1, 2003, 120 clinically compatible SARS patients(More)
OBJECTIVES To study the association of narcolepsy with HLA class II alleles in Chinese narcoleptic patients. METHODS 31 patients with narcolepsy underwent brain computed tomography (CT) scan and magnetic resonance imaging (MRI) testing. All patients received a MSLT test following a routine night's sleep, and serological HLA typing for HLA DR(2). 21(More)
OBJECTIVE To explore the methods and techniques of repairing cerebrospinal fluid (CSF) rhinorrhea and reconstructing the defects of skull base under endoscopy. METHODS The clinical data of 26 patients undergoing endoscopic repair of CSF rhinorrhea were analyzed retrospectively. There were 19 males and 7 females with an average age of 31.5 years old.(More)
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