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Biomedical subjects

A R Nath

Publications and source records attributed to A R Nath.

At least 19 recordsLinked to original sources

Bronchoscopic cryotherapy for advanced bronchial carcinoma.

A prospective study was carried out to assess the value of bronchoscopic cryotherapy for palliation of inoperable bronchial carcinoma with bronchial obstruction. Symptoms, lung function, and chest radiographic and bronchoscopic findings were recorded serially before and after 81 cryotherapy sessions in 33 consecutive patients. Most patients improved in terms of overall symptoms, stridor, and haemoptysis and they had an overall improvement in dyspnoea. Objective improvement in lung function was seen in 58% of patients and the changes in lung function correlated with symptoms. Bronchoscopic evidence of relief of bronchial obstruction was seen in 77% of patients and 24% showed improvement in degree of collapse on the radiograph. There were no important complications. These results compare favourably with the results in published series of patients having laser therapy. It is concluded that bronchoscopic cryotherapy is valuable for the palliation of inoperable bronchial carcinoma.

Aged

Interhemispheric empyema. An unusual form of subdural empyema.

A 16 year old male was admitted with a clinical picture suggesting an intracranial pyogenic infection. He also has focal convulsions and left abducens palsy. CT scan showed a subdural empyema with interhemispheric extension. Since the patient was improving clinically, neurosurgical intervention was deferred. Spontaneous interhemispheric empyema is an uncommon condition. In our case conservative management was curative in what is considered a neurosurgical emergency.

Adolescent

Massive lymphadenopathy in chronic myelocytic leukemia.

A 50 year old male presented with massive lymphadenopathy and was found to be in extramedullary blast crisis is reported. Lymphadenopathy regressed on busulphan therapy and the overt blast crisis took 15 months to occur after initial presentation.

Bone Marrow

AIDS--the Indian scene.

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Acquired Immunodeficiency Syndrome

Flow volume loops.

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Forced Expiratory Flow Rates