Publications by authors named "Housam M Hassan"

4 Publications

  • Page 1 of 1

Impact of percutaneous ventricular septal defect closure on left ventricular remodeling and function.

Egypt Heart J 2021 Oct 12;73(1):86. Epub 2021 Oct 12.

Cardiology Department, Faculty of Medicine, Helwan University, Cairo, Egypt.

Background: Ventricular septal defect (VSD) is the most common congenital heart disease. In patients with large VSD, left side chambers are subjected to volume overload with subsequent chambers dilatation and eccentric left ventricular hypertrophy. Percutaneous closure of VSD has been shown to be an effective method with equal safety and efficacy when compared to surgery. The effect of VSD closure on LV remodeling has been mainly assessed in patients treated with surgery and to date published data remain scarce. Therefore, we aim to evaluate the effect of percutaneous VSD closure on different LV parameters.

Results: Seventeen patients (median age 6 years (IQR 4.75-8 years), 70.6% females) who underwent percutaneous VSD closure were enrolled in the study. Sixteen patients (94%) had perimembranous VSD, and one patient had muscular VSD. The procedure was successful in all patients with no major complications. Nit Occlud® Lê coil device was implanted in 16 patients (94%), and one patient received Amplatzer PDA duct occlude device. At 6-months follow-up, there was a significant reduction in indexed LV dimensions [LVEDD/BSA (median 46.5 mm/m vs. 42.9 mm/m, p = 0.03), LVESD/BSA (median 31.7 mm/m vs. 26.7 mm/m, p = 0.02)], indexed LV volumes [LVEDV/BSA (median 52.6 ml/m vs. 37.3 ml/m, p = 0.02), LVESV/BSA (median 31.7 ml/m vs. 23.3 ml/m, p = 0.02)] and indexed LV mass (median 62.4 gm/m vs. 57.9 ml/m, p = 0.01). There was a significant reduction in LVEDD Z-score (p = 0.01) and LVESD Z-score (p = 0.04). There was no significant change in LV EF.

Conclusions: Percutaneous VSD closure is associated with improvement of various LV parameters with consequential favorable LV remodeling and function.
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http://dx.doi.org/10.1186/s43044-021-00215-zDOI Listing
October 2021

Correction to: Prevalence of prolonged QT interval in patients with HCV-related chronic liver disease.

Egypt Heart J 2019 Oct 29;71(1):21. Epub 2019 Oct 29.

Department of Endemic Medicine, Faculty of Medicine, Helwan University, Cairo, Egypt.

Following publication of the original article [1], the authors reported that the family name of Mohamed El Kassas was incorrectly published as Mohamed ElKassas.
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http://dx.doi.org/10.1186/s43044-019-0020-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6821435PMC
October 2019

Prevalence of prolonged QT interval in patients with HCV-related chronic liver disease.

Egypt Heart J 2019 Sep 7;71(1):15. Epub 2019 Sep 7.

Department of Endemic Medicine, Faculty of Medicine, Helwan University, Cairo, Egypt.

Background: Hepatitis C virus (HCV) is a common disease in Egypt with a high socioeconomic burden and extra-hepatic manifestations as QT prolongation, but previous studies included mainly patients with advanced liver disease, so in this study, we aimed to delineate the prevalence of QT prolongation in early-stage HCV patients.

Results: The study included 874 HCV patients with early cirrhosis; in Child's class A, 57 (6.5%) patients had prolonged QT interval corrected (QTc). There was significant higher proportion of cirrhotic patients in the prolonged QTc group (31.6%) vs. in the normal QTc group (11.5%). QTc was 424.39 ± 36.6 vs. 411.51 ± 32.89 ms in cirrhotic and non-cirrhotic patients, respectively (P, 0.001). There was significant higher proportion of Fibrosis 4 (FIB-4) ≥ 1.45 score in the prolonged QTc (77.2%) vs. in the normal QTc group (56.8%) (P, 0.003). QTc interval was 417.76 ± 34.12 ms in patients with FIB-4 score ≥ 1.45 vs. 406.78 ± 31.95 ms in those with FIB-4 < 1.45 (P, < 0.001). FIB-4 score value of 2.108 predicted prolonged QTc with a sensitivity of 63.2% and a specificity of 64.5% (P, < 0.001). Twenty-four patients of long QTc group sent ECGs after HCV eradication, and 19 patients (79%) showed QTc normalization.

Conclusions: HCV is associated with QTc prolongation even in patients with early chronic liver disease stages without significant fibrosis. Also, it is related to the degree of fibrosis and cirrhosis. At a cutoff value of 2.108, FIB-4 score can predict prolonged QTc. HCV eradication is associated with a high incidence of QTc normalization.
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http://dx.doi.org/10.1186/s43044-019-0016-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6821436PMC
September 2019

Incidence of orbital, conjunctival and lacrimal gland malignant tumors in USA from Surveillance, Epidemiology and End Results, 1973-2009.

Int J Ophthalmol 2016 18;9(12):1808-1813. Epub 2016 Dec 18.

Research Department, Children Cancer Hospital Egypt 57357, Cairo 11441, Egypt; Ophthalmology Department, Charité-Universtätsmedizin Berlin, Berlin 10117, Germany.

Aim: To determine the types and incidence of tumors affecting the orbit, conjunctiva and lacrimal glands and to study the trend line of these tumors in the United States from 1973 to 2009.

Methods: We used the publicly available Surveillance, Epidemiology and End Results (SEER) database registries to determine the incidence rates. Age was adjusted to the 2000 US Standard Population. Patients were stratified according to age group, gender, race and histological grouping of tumor lesions. Three age groups were defined: 0-19, 20-49 and ≥50y. Annual percentage changes were calculated to examine trends.

Results: The overall age adjusted incidence rate was 3.39 (95%CI: 3.27-3.52) per million person-years. The tumors were more prevalent in age group ≥50 counting 9.51 (95%CI: 9.11-9.92) per million person-years. Most of the soft tissue sarcomas occurred in the young age with incidence rate of 0.35 (95%CI: 0.28-0.42) per million person-years. Lymphomas were the dominant subtype in the adult population with incidence rate of 5.74 (95%CI: 5.43-6.06) per million person-years. Incidence rates were higher in males than females with an overall rate ratio of 1.31 (95%CI: 1.21-1.41) mainly caused by the increase in carcinoma subtypes. White race had a higher tumor incidence with a rate ratio of 1.47(95%CI: 1.25-1.73) driven by the higher incidence of most histological subtypes. Orbital tumors showed a higher incidence rate followed by conjunctival and lacrimal gland tumors with incidence rates of 1.59, 1.37 and 0.43 per million person-years respectively. The trend line of overall incidence of tumors showed a significant increase (APC=3.11, 95%CI: 2.61-3.61) mainly due to increase of lymphomas. This increase was higher than the increase of lymphomas at other sites.

Conclusion: Orbital, conjunctival and lacrimal gland malignant tumors differ among children and adults. Over the years there has been a noticeable increase in incidence rates of orbital and lacrimal gland tumors mainly caused by an increase in lymphomas and an apparent increase due to advances in diagnostic techniques. ICD-O-3 topographical coding should be improved to consider the different orbital bones and ocular structures.
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http://dx.doi.org/10.18240/ijo.2016.12.18DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5154997PMC
December 2016
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