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Biomedical subjects

B J O'Reilly

Publications and source records attributed to B J O'Reilly.

12 recordsLinked to original sources
PubMed1992

The laryngeal mask airway in ENT surgery.

We report our experience of using the laryngeal mask airway (LMA) over a period of 18 months in 217 patients undergoing a variety of otorhinolaryngological operations. Advantages over conventional intubation for both patient and surgeon are suggested in both safety, speed and economy. An inadequate airway, necessitating replacement of the LMA, only occurred on two occasions whilst two known cases of difficult intubation easily had their airways secured by use of the LMA. Protection of the lower airways from secretions, fluid or blood, arising above the LMA, would appear to be confirmed.

Humans↗
PubMed1991

Total avulsion of an osseointegrated screw.

The close union achieved between pure grade titanium and healthy bone makes dislocation a rare event. We report the case of the total avulsion of an apparently well-integrated implant from a healthy mastoid bone.

Adolescent↗
PubMed1991

The value of CT scanning in chronic suppurative otitis media.

High definition CT has been advocated for the evaluation of chronic suppurative otitis media (CSOM) either generally or in selected cases. It is said to be capable of producing the fine detail needed to detect lateral canal fistulae, exposed dura and facial canal dehiscences, and to demonstrate the ossicular chain. At present there is no agreement on either the indications for CT scanning in CSOM or the most appropriate scanning plane. To determine the value of high definition CT in CSOM and to decide a unit policy for its application, 36 cases of CSOM underwent pre-operative CT scanning and their scans were compared with the operative findings. Our results show CT to be highly sensitive to the presence of soft tissue disease and bone erosion, moderately sensitive to the presence of lateral canal fistulae but less sensitive to the presence of small areas of exposed dura, ossicular continuity and facial canal dehiscence. Axial scans were better able to demonstrate the lateral canal but otherwise coronal scans were superior; ideally patients should be scanned in both planes. The principle value of CT in CSOM is its ability to demonstrate disease which is not clinically apparent.

Cholesteatoma↗
PubMed1990

Long-term results of revision endolymphatic sac surgery.

The results of revision endolymphatic sac surgery on 30 patients with unilateral Menière's disease are presented. Good control is achieved in 73.3 per cent of cases at six months, falling to 56.7 per cent at one year and only 33.3 per cent by four years. The long-term results are disappointing but are more favourable if the initial surgery was successful, if the hearing remains fluctuant and improves on glycerol dehydration prior to the revision procedure and also if the sac is intubated. The current place of endolymphatic sac surgery is discussed and revision surgery only recommended for carefully selected cases.

Adolescent↗
PubMed1989

Malignant fibrous histiocytoma of the nasopharynx.

Malignant Fibrous Histiocytomas (MFH) are uncommon in the head and neck and extremely rare in the nasopharynx. We report a case of MFH arising in the nasopharynx and describe its diagnosis and management. The literature is reviewed and the likely origins of the tumour and its behaviour are discussed.

Aged↗
PubMed1989

Magnetic resonance imaging in head and neck cancer.

The scans of 120 patients with proven head and neck cancer who underwent magnetic resonance imaging (MRI) at Mt. Vernon hospital were reviewed and, where possible, compared with their clinical, computed tomography (CT) and histological findings. MRI was generally superior to both clinical examination and CT in the detection of cervical lymphadenopathy and in the assessment of primary tumour extent, particularly in the tongue base, nasopharynx and parotid gland. Small intracranial tumour extensions were more readily detected by MRI than CT. MRI was no better than CT in distinguishing between malignant and inflamed tissues and was generally inferior to CT in spatial resolution, patient acceptance and examination cost.

Head and Neck Neoplasms↗
PubMed1988

Middle ear effusions and myasthenia gravis.

A case of ME effusion in a patient with MG is reported. The likely pathogenesis is of TVP muscle weakness causing Eustachian tube dysfunction. ME effusion should be suspected in a myasthenic complaining of sudden hearing loss. Tympanometry with measurement of the ME pressures and reflexes is a useful tool for assessing a myasthenic's response to treatment.

Female↗
PubMed1987

Hodgkin's disease of the nasopharynx.

A case of Hodgkin's disease confined to the nasopharynx is presented. From a review of the literature, it seems likely that involvement of the nasopharynx in Hodgkin's disease goes undetected in a significant number of cases.

Hodgkin Disease↗