Pathology and treatment of Meniere's disease

Abstract

Many patients with Meniere's disease are subject to anxiety and nervous tension. The patient who has just had an attack of vertigo, possibly with accompanying nausea and vomiting, is an anxious and worried person. Therefore the pyhsician's approach to the case is important, and he must be prepared to spend time and patience. This may prove difficult, since these cases, like neurotics, are not easily reassured and often have many symptoms to describe.The doctor must be prepared to discuss and explain what is happening to the patient, that several kinds of treatment are available and effective in many cases, and that the disease is not due to any irreparable intracranial condition. The first essential in re- establishing the patient's confidence is a complete and careful physical examination.At the same time it is a mistake not to point out that there is no quick cure, that the course of treatment is liable to be prolonged and that relapses do occur in certain cases. Most patients are prepared to accept the liklihood of a lengthy period of treatment and at least some restriction of their activities.Most authorities agree that ¡0;g - 31015 of cases of tree Meniere's disease are benefited by medical treatment. It is difficult to estimate the efficacy of any treatment because of the characteristic natural remissions of the condition.About 20' - 30' of cases are severe enough to call for surgical intervention. In general, destructive surgery is reserved for severe cases with gross incapacity due to unilateral disease. The factors which must be considered in the decision to operate or not are: -1. The presence of bilateral disease. 2. The age and physical condition of the patient. 3. The amount of hearing retained in the affected ear, and the presence of good or bad hearing in the other ear. not 4. The status of the patient, e.g. a labourer may not be prepared to bear the financial burden of at least two months and possibly longer off work.In unilateral cases, destructive labyrinthectomy is probably the operation of choice, and here Cawthorne's method would appear to be the safest.It would appear also that in such cases, with good hearing in the affected ear, there is a place for hemisection of the VIIIth cranial nerve, or ultrasonic therapy, preferably the latter in view of the mortality associated with hemisection.The difficulty in choice of procedure arises in bilateral cases. Bilateral sympathectomy may be the answer here. On the other hand ultrasonic therapy to both ears may prove the only surgical alternative. Only time will tell

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