Jonel Steffen
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View article: Screening practices, efficacy, safety and adherence to biologic therapies in a South African tertiary hospital
Screening practices, efficacy, safety and adherence to biologic therapies in a South African tertiary hospital Open
Introduction The high cost and concern of adverse events, particularly infections, limit the use of biologic therapies. We undertook this retrospective study to document their use for immune-mediated diseases, and explore the screening pra…
View article: Impact of COVID-19 on surgical specialist training as quantified by trainee complication rates for cataract surgery
Impact of COVID-19 on surgical specialist training as quantified by trainee complication rates for cataract surgery Open
BACKGROUND: Reduction in elective surgeries during the COVID-19 pandemic has negatively impacted surgical specialist training. Posterior capsule rupture rate (PCR), a complication of cataract surgery, is an objective measure of the quality…
View article: Retinopathy of prematurity in a cohort of neonates at Groote Schuur Hospital, Cape Town, South Africa
Retinopathy of prematurity in a cohort of neonates at Groote Schuur Hospital, Cape Town, South Africa Open
The prevalence and severity of ROP have increased at GSH. The strong association between ROP, BW and GA suggests that infants with lower BWs and GAs should be prioritised for screening in our resource-limited setting.
View article: Retinopathy of prematurity in a cohort of neonates at Groote Schuur Hospital, Cape Town, South Africa
Retinopathy of prematurity in a cohort of neonates at Groote Schuur Hospital, Cape Town, South Africa Open
Background. Severe retinopathy of prematurity (ROP) can cause blindness. Before 2016, resource limitations precluded routine screening for ROP at Groote Schuur Hospital (GSH), Cape Town, South Africa. Previous pilot studies at GSH found no…
View article: Axial length elongation in adults with long-standing unilateral traumatic cataract
Axial length elongation in adults with long-standing unilateral traumatic cataract Open
Background: Unilateral eye elongation with resultant axial myopia has been reported to occur secondary to visual deprivation from birth or early childhood. Acquired axial length elongation secondary to visual deprivation in adults has rare…
View article: Outcomes of vitrectomy for advanced diabetic retinopathy at Groote Schuur Hospital, Cape Town, South Africa
Outcomes of vitrectomy for advanced diabetic retinopathy at Groote Schuur Hospital, Cape Town, South Africa Open
Vitrectomy improved or stabilised vision in 85.0% of cases, although outcomes were unpredictable. A long waiting time to surgery contributed to patient morbidity. The presence of renal dysfunction did not predict poorer visual outcomes.