User profiles for R. T. Loewen

Ralitsa T. Loewen

University of Pittsburgh
Verified email at upmc.edu
Cited by 1282

Assessment of outcomes and morbidity following diaphragmatic peritonectomy for women with ovarian carcinoma

SC Dowdy, RT Loewen, G Aletti, SS Feitoza… - Gynecologic …, 2008 - Elsevier
OBJECTIVE: To describe the technique of diaphragmatic peritonectomy (DP) for ovarian
cancer cytoreduction and to assess associated morbidity. METHODS: Retrospective review …

[HTML][HTML] Impact of a glaucoma severity index on results of trabectome surgery: larger pressure reduction in more severe glaucoma

RT Loewen, P Roy, HA Parikh, Y Dang, JS Schuman… - PLoS …, 2016 - journals.plos.org
Purpose To stratify outcomes of trabectome-mediated ab interno trabeculectomy (AIT) by
glaucoma severity using a simple and clinically useful glaucoma index. Based on prior data of …

[HTML][HTML] Structure–function changes of the porcine distal outflow tract in response to nitric oxide

…, KL Lathrop, RT Loewen, NA Loewen - … & visual science, 2018 - iovs.arvojournals.org
Purpose: To correlate outflow function and outflow tract vessel diameter changes induced
by nitric oxide (NO). Methods: In a porcine anterior segment perfusion model, the effects of a …

[HTML][HTML] Regionally discrete aqueous humor outflow quantification using fluorescein canalograms

RT Loewen, EN Brown, P Roy, JS Schuman, IA Sigal… - PloS one, 2016 - journals.plos.org
… Imaging with a standard dissection microscope with eGFP/FITC filter allowed visualization
of the aqueous route up to the equator in whole eyes and up to the compression ring in …

[HTML][HTML] Rapid learning curve assessment in an ex vivo training system for microincisional glaucoma surgery

…, C Wang, HA Parikh, II Bussel, RT Loewen… - Scientific reports, 2017 - nature.com
Increasing prevalence and cost of glaucoma have increased the demand for surgeons well
trained in newer, microincisional surgery. These procedures occur in a highly confined space…

[HTML][HTML] Differential canalograms detect outflow changes from trabecular micro-bypass stents and ab interno trabeculectomy

HA Parikh, RT Loewen, P Roy, JS Schuman… - Scientific reports, 2016 - nature.com
Recently introduced microincisional glaucoma surgeries that enhance conventional outflow
offer a favorable risk profile over traditional surgeries, but can be unpredictable. Two …

Steroid‐induced glaucoma treated with trabecular ablation in a matched comparison with primary open‐angle glaucoma

…, RT Loewen, BA Francis, NA Loewen - Clinical & …, 2016 - Wiley Online Library
… Nils A Loewen MD PhD … Nils A Loewen MD PhD … Competing/conflicts of interest: Nils
Loewen has received honoraria from Neomedix for wet labs and lectures. …

[HTML][HTML] Freeze-thaw decellularization of the trabecular meshwork in an ex vivo eye perfusion model

…, A Jensen, RT Loewen, RA Bilonick, NA Loewen - PeerJ, 2017 - peerj.com
Objective The trabecular meshwork (TM) is the primary substrate of outflow resistance in
glaucomatous eyes. Repopulating diseased TM with fresh, functional TM cells might be a viable …

[HTML][HTML] Quantification of focal outflow enhancement using differential canalograms

RT Loewen, EN Brown, G Scott… - … & visual science, 2016 - iovs.arvojournals.org
Methods: Gonioscopic, plasma-mediated AIT was established in enucleated pig eyes. We
developed a program to automatically quantify outflow changes (R, package eye-canalogram, …

[HTML][HTML] Combined analysis of trabectome and phaco-trabectome outcomes by glaucoma severity

…, II Bussel, RT Loewen, H Parikh, NA Loewen - …, 2016 - ncbi.nlm.nih.gov
Prior glaucoma severity staging systems were mostly concerned with visual field function and
retinal nerve fiber layer, but did not include intraocular pressure or medications to capture …