U. Ahmad

ORCID: 0000-0001-7027-3491
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About
Contact & Profiles
Research Areas
  • Mechanical Circulatory Support Devices
  • Heart Failure Treatment and Management
  • Cardiac Arrest and Resuscitation
  • Cardiac Structural Anomalies and Repair
  • Inflammatory Biomarkers in Disease Prognosis
  • Medication Adherence and Compliance
  • Platelet Disorders and Treatments
  • Fibroblast Growth Factor Research
  • Retinal and Optic Conditions
  • Intraocular Surgery and Lenses
  • Venous Thromboembolism Diagnosis and Management
  • Pancreatic and Hepatic Oncology Research
  • Retinal Diseases and Treatments
  • Cancer, Lipids, and Metabolism
  • Corneal surgery and disorders
  • Blood properties and coagulation
  • Parathyroid Disorders and Treatments
  • Antiplatelet Therapy and Cardiovascular Diseases
  • Cancer Immunotherapy and Biomarkers
  • Ocular Diseases and Behçet’s Syndrome
  • Ophthalmology and Visual Impairment Studies
  • Pulmonary Hypertension Research and Treatments
  • Cardiac, Anesthesia and Surgical Outcomes
  • Transplantation: Methods and Outcomes
  • Blood donation and transfusion practices

RWTH Aachen University
2018-2022

Universitätsklinikum Aachen
2018-2022

Mid Yorkshire Hospitals NHS Trust
2019-2020

Jos University Teaching Hospital
2000

Low-level hemolysis (LLH) after left ventricular assist device implantation contributes to thromboembolic events (TE). Free plasma hemoglobin (fHb) scavenges nitric oxide (NO), which causes endothelial dysfunction and activates platelets. fHb also interacts with von Willebrand factor (vWF). We hypothesized that improved hemodynamic enhanced NO signaling in HeartMate II (HMII) patients LLH taking the phosphodiesterase-5 inhibitor sildenafil may reduce risk of TE.From 2011 2015, 83 underwent...

10.1536/ihj.18-001 article EN International Heart Journal 2018-10-09

Minimally invasive surgery for left ventricular assist device implantation may have advantages over conventional sternotomy (CS). Additionally, ultra-fast-track anesthesia has been linked to better outcomes after cardiac surgery. This study summarizes our early experience of combining minimally with (MIFTA) in patients receiving HeartMate 3 devices and compares the between MIFTA CS.From October 2015 January 2019, 18 49 Interagency Registry Mechanically Assisted Circulatory Support profiles...

10.1161/circheartfailure.121.008358 article EN Circulation Heart Failure 2022-03-07

Haemolysis during left ventricular assist device support is associated with thrombosis. In this retrospective study, we analysed whether low-level haemolysis (LLH) as defined by simultaneously elevated lactate dehydrogenase (LDH) and free haemoglobin (fHb) levels had an impact on thromboembolic bleeding events von Willebrand factor in HeartMate II patients.After exclusion of patients LDH >700 U/l fHb >40 mg/dl at hospital discharge, 79 were included. measured discharge 3 months interval....

10.1093/icvts/ivy027 article EN Interactive Cardiovascular and Thoracic Surgery 2018-01-22

The results of extracapsular cataract extraction with posterior chamber intraocular lens implant at the Jos University Teaching Hospital are reviewed. suggest that despite lack facilities to calculate power for emmetropia, use a standard about 19.0D will provide good number our patients functional vision and quick return independent life (Nig J Surg Res 2000; 2:135-138) KEY WORDS: Posterior chamber,

10.4314/njsr.v2i3.12201 article EN Nigerian Journal of Surgical Research 2000-03-01

Objectives: The new left ventricular assist device (LVAD) HeartMate 3 (HM3) is a fully magnetically levitated pump, designed to avert hemocompatibility-related adverse events (HRAEs). We aimed compare platelet function, von Willebrand factor (vWF) profile and HRAEs between HM3 II (HMII) patients.

10.1055/s-0039-1679025 article EN other-oa The Thoracic and Cardiovascular Surgeon 2019-01-01
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