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To assess cardiac functions in adenotonsillar or tonsillar hypertrophy.
A prospective, interventional, academic centre based study was conducted on 25 children with adenotonsillar or tonsillar hypertrophy. All patients underwent pulsed 2-dimensional Doppler echocardiography, pulse oximetry and 12-lead electrocardiography. These assessments were repeated three months later to determine the impact of adenotonsillectomy.
There were significant differences in mean arterial oxygen saturation, pulmonary flow acceleration time and mean pulmonary artery pressure post-operatively. Adenotonsillectomy led to significant improvements in pulmonary flow acceleration time and pulmonary flow velocity time index, while tonsillectomy resulted in right ventricular early and late diastolic velocity index improvement.
Upper airway obstruction in children affects cardiac functioning and this can subsequently lead to morbidity and delayed growth. Hence, revision of surgical indications is advocated in adenotonsillar hypertrophy to avoid irreversible damage to cardiopulmonary functions.
To evaluate the effect of different lipid fractions on auditory brainstem evoked responses in hyperlipidaemia.
We conducted a single institution (medical college), prospective, cross-sectional study of 25 hyperlipidaemic patients and 25 normolipidaemic controls, all with a normal hearing threshold on pure tone audiometry. Brainstem evoked response audiometry results were recorded in both groups. The hyperlipidaemic group were further divided into two subgroups, based on the serum value of each lipid fraction: those with less than and those with greater than the mean serum value. These two subgroups were further compared with the control group.
The hyperlipidaemic and normolipidaemic groups had statistically significant differences for all audiometry waves apart from the wave I and the III–V interpeak latencies. The subgroups had a statistically significant difference in brainstem evoked responses. We found a statistically significant association between low-density lipoproteins and many waveforms in the hyperlipidaemic group.
We found that low-density lipoproteins were significantly associated with many waveforms in hyperlipidaemic patients. Thus, low-density lipoproteins may be important in auditory dysfunction.
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