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In recent years, cardiac resynchronization therapy (CRT) has also started to be performed in the paediatric and CHD population. This study aimed to evaluate the efficacy of CRT in children with CHD.
Patients and methods:
Patients with CHD who underwent CRT treatment in our paediatric cardiology clinic between January, 2010 and January, 2020 were included in the study. Demographic findings, 12-lead electrocardiograms, echocardiograms, clinical characteristics, management strategies, and outcomes were reviewed systematically.
The study population consisted of 18 CHD patients who had been treated with CRT for 10 years in our institution. The median age was 11 years (2.2–18 years) and the median weight was 39 kg (10–81 kg). Systemic ventricle was left ventricle in 13 patients, right ventricle in 4 patients, and 1 patient had single-ventricle physiology. CRT implantation indications were as follows: dysfunction after permanent pacemaker in 11 patients, dysfunction after left bundle branch block in 4 patients, and systemic ventricular dysfunction in 3 patients. CRT implantation techniques were epicardial (n = 13), hybrid (n = 4), and transvenous (n = 1) methods. QRS duration significantly decreased after CRT implantation (160 versus 124 m/second, p < 0.05). Median systemic ventricle ejection fraction (EF) significantly increased after the procedure (30 versus 50%, p < 0.05). Fourteen patients (78%) were responders, two patients (11%) were superresponders, and two patients (11%) were non-responders after the CRT treatment. One patient deceased during follow-up. Median follow-up duration was 40 months (6–117 months).
When electromechanical dyssynchrony occurs in paediatric cases with CHD and developing heart failure, patients should be evaluated in terms of CRT to improve ventricular function. Alternative CRT therapy will be beneficial in these cases that do not improve clinically despite optimal medical treatment.
This study evaluated type D personality, anxiety, depression and personality traits in patients with isolated itching of the external auditory canal.
A hundred consecutive out-patients with isolated itching of the external auditory canal and 100 controls were enrolled in the study. The Type D Scale, the abbreviated form of the Eysenck Personality Questionnaire Revised and the Hospital Anxiety and Depression Scale were used for data collection. Patients were also evaluated using the Modified Itch Severity Scale.
In all, 43 per cent of patients and 15 per cent of controls met the criteria for a type D personality. Patients with a type D personality had higher anxiety and itching severity but lower extraversion compared with those without a type D personality. Multiple linear regression analysis showed that extraversion and type D personality were independently associated with itch severity.
These data suggest that clinicians should consider psychological and personality features when evaluating and treating patients with isolated itching of the external auditory canal.
This study aimed to assess the histopathological effect of OK-432 (Picibanil) on rabbit nasal turbinates.
A total of 21 rabbits were divided into 3 treatment groups and various parts of both nasal turbinates were injected with 0.5 ml OK-432, 0.2 ml OK-432 or 0.6 ml saline (control). Bilateral nasal turbinates were later excised and studied under light microscopy to assess any histopathological changes.
Animals in the 0.2 ml and 0.5 ml OK-432 groups exhibited mild ciliary loss, goblet cell loss and epithelial damage, and a marked increase in inflammatory cell infiltration, submucosal vascularisation and fibrosis. There was a significant difference in histopathological changes between the two OK-432 treated groups. In addition, each OK-432 treated group had significantly more inflammatory cell infiltration, increased submucosal vascularisation and fibrosis compared with controls.
The marked fibrosis observed in OK-432-injected turbinates may be responsible for a reduction in turbinate size.
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