Publications by authors named "Zawadi Kalezi"

Introduction: diuretic therapy is among the cornerstones of the management of heart failure in children with acquired or congenital heart diseases (CHD). Electrolyte derangements have been reported by various studies to be among the most common side effects following diuretic therapy. Despite that, there is limited documentation on the magnitude of this problem in our setting.

View Article and Find Full Text PDF

Background: Infective endocarditis (IE) in children with pre-existing heart conditions is a life-threatening disease entity associated with significant morbidity and mortality. In our cardiac setting, the management outcomes of children with IE are not well documented. We therefore aimed to document the clinical profile and treatment outcomes of children with IE attended at the Jakaya Kikwete Cardiac Institute (JKCI).

View Article and Find Full Text PDF

Background: Tetralogy of Fallot (TOF) is typically treated in infancy but often done late in many resource-limited countries, jeopardizing surgical outcomes. This study examined the early results of children undergoing primary complete TOF repair at the Jakaya Kikwete Cardiac Institute (JKCI) in Tanzania, an emerging cardiac center in Eastern Africa.

Methods: A retrospective cohort study of children ≤ 18 years undergoing primary TOF complete repair between 2019 and 2021 was conducted.

View Article and Find Full Text PDF

Background: While communicable diseases have long been the primary focus of healthcare in Africa, the rising impact of paediatric and congenital heart disease (CHD) cannot be overlooked. This research aimed to estimate the frequency and pattern of heart diseases in children who underwent their first echocardiography at a national cardiac referral hospital in Tanzania.

Methods: A retrospective observational study was conducted on children aged 0 to 18 years referred for first-time cardiological evaluation from January 2017 to December 2022.

View Article and Find Full Text PDF

Background: Aortic valve reconstruction using glutaraldehyde-treated autologous pericardium, also called Ozaki procedure, is a surgical procedure for patients with aortic valve disease. Gratifying results have been reported in adult patients, however, limited published data is available in paediatric population. This study looked at clinical characteristics and early outcomes of children who underwent Ozaki procedure at our Institute.

View Article and Find Full Text PDF

Introduction: preterm infants are vulnerable to several medical complications including anaemia, a significant public health problem with consequences on neurodevelopment. This study looked at the magnitude of anaemia and its associated factors among preterm infants at 6 weeks chronological age in a paediatric clinic of Muhimbili National Hospital (MNH).

Methods: this was a hospital based cross-sectional study conducted among preterm infants at 6 weeks chronological age attending follow-up clinic at MNH from October 2019 to March 2020.

View Article and Find Full Text PDF

Background: Ventricular septal defect (VSD) is the commonest type of congenital heart lesion accounting for up to 40% of congenital heart defects. Well timed VSD closures are reported to yield excellent long-term outcomes. Late surgical VSD closures, particularly from the developing countries, are infrequently reported.

View Article and Find Full Text PDF

Background: Mortality among under-five children in Tanzania remains high. While early presentation for treatment increases likelihood of survival, delays to care are common and factors causing delay to presentation among critically ill children are unknown. In this study delay was defined as presentation to the emergency department of tertially hospital i.

View Article and Find Full Text PDF

Pfeiffer syndrome is a rare genetic disorder with heterogenous phenotype and prognosis. Due to its diverse clinical presentation, it can easily be misdiagnosed. Where genetic testing still remains a challenge, antenatal sonogram can aid in early diagnosis.

View Article and Find Full Text PDF