Alexander Swart

ORCID: 0000-0003-4611-4268
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About
Contact & Profiles
Research Areas
  • Hepatitis C virus research
  • HIV, Drug Use, Sexual Risk
  • Spine and Intervertebral Disc Pathology
  • Circadian rhythm and melatonin
  • Blood Coagulation and Thrombosis Mechanisms
  • Liver Disease Diagnosis and Treatment
  • Peripheral Neuropathies and Disorders
  • Hereditary Neurological Disorders
  • Spinal Fractures and Fixation Techniques
  • Sleep and related disorders
  • Alcohol Consumption and Health Effects
  • Myasthenia Gravis and Thymoma
  • Autopsy Techniques and Outcomes
  • Liver Disease and Transplantation
  • Potassium and Related Disorders
  • Scoliosis diagnosis and treatment
  • Family Support in Illness
  • Bone and Joint Diseases
  • Blood properties and coagulation
  • Neurofibromatosis and Schwannoma Cases
  • Cancer-related cognitive impairment studies
  • Spondyloarthritis Studies and Treatments
  • Aquatic and Environmental Studies
  • Cutaneous Melanoma Detection and Management
  • Global Cancer Incidence and Screening

Mayo Clinic
2024-2025

WinnMed
2024-2025

Royal North Shore Hospital
2019

St Vincent's Hospital Sydney
2015-2016

UNSW Sydney
2012-2015

Ziekenhuis Gelderse Vallei
1998

Leiden University
1970

University of Oxford
1967

Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) is difficult to distinguish from mimicking disorders, with misdiagnosis resulting in IVIG overutilization. We evaluate a clinical-electrophysiological model facilitate CIDP versus mimic neuropathy prediction. Using the European Academy of Neurology/Peripheral Nerve Society (EAN/PNS) 2021 guidelines we derived 26 clinical and 144 nerve conduction variables. The was generated validated utilizing total (n = 129) mimics 309);...

10.1111/jns.12682 article EN Journal of the Peripheral Nervous System 2025-01-12

The occurrence of headache and its change after treatment with melatonin 5 mg were studied in 30 patients delayed sleep phase syndrome. medication was taken hours before the endogenous nocturnal plasma concentration had reached 10 pg/mL. Three women (aged 14, 23 years) suffered from chronic tension‐type headache. Their disappeared within 2 weeks start melatonin. One 54‐year‐old man disabling migraine attacks without aura, twice a week. After starting treatment, only three reported 12 months....

10.1046/j.1526-4610.1998.3804303.x article EN Headache The Journal of Head and Face Pain 1998-04-01

10.1016/0304-4165(70)90203-5 article EN Biochimica et Biophysica Acta (BBA) - General Subjects 1970-12-01

To quantify cancer risk in opioid dependence and the association with infection by oncogenic blood-borne viruses (BBVs) hepatitis C (HCV), B (HBV) HIV.Cohort study.New South Wales, Australia.All 45 412 adults aged 16 years or over registered for substitution therapy (OST) between 1985 2007. Notifications of cancer, death HCV, HBV HIV were ascertained record linkage registries.The ratios observed to expected number cancers, standardised incidence (SIRs), average annual per cent change (AAPC)...

10.1136/bmjopen-2012-001755 article EN cc-by-nc BMJ Open 2012-01-01

Background: Multisegmental pathologic autofusion occurs in patients with ankylosing spondylitis (AS) and diffuse idiopathic skeletal hyperostosis (DISH). It may lead to reduced vertebral bone density due stress shielding. Methods: This study aimed determine the effects of on by measuring Hounsfield units (HU) mobile immobile spinal segments AS DISH treated at a tertiary care center. The mean HU was calculated for five distinct regions—cranial adjacent segment, cranial fused mid-construct...

10.3390/jcm13051430 article EN Journal of Clinical Medicine 2024-03-01

Summary A method is described to prepare artificial reagents test the factors VII and X individually. procedure given obtain reference tables suitable for use of these as well any other type specific one-stage in extrinsic system by means a computer. The programme obtainable Algol, Fortran or Focal.

10.1055/s-0038-1649357 article EN Thrombosis and Haemostasis 1972-01-01

To examine the validity and impact of record linkage using name code compared to full records. A registry 45,419 opioid substitution clients (1985–2007) was linked with national population‐based death cancer registries registrant's name, date birth, sex, state, postcode death. Records were then first two letters given surname (2×2 code). Sensitivity specificity computed regression analysis used identify factors related accuracy. Standardised mortality ratios (SMR) standardised incidence...

10.1111/1753-6405.12287 article EN publisher-specific-oa Australian and New Zealand Journal of Public Health 2014-11-07

Summary The influence of pH, adsorption time, ionic strength, buffer type and plasma concentration on elution the factors prothrombin complex from normal human ACD onto A1(OH)3 is investigated. Reproducible small differences are found between behaviour four II, VII, IX, X.

10.1055/s-0038-1649388 article EN Thrombosis and Haemostasis 1972-01-01

A preparation of coagulation factors II, VII, IX, and X was obtained by adsorption onto Al (OH)<sub>3</sub> from normal plasma. The subsequent eluate subjected to gel filtration experiments. It noticed that the purification on Sephadex G-100 columns hardly dependent upon characteristics buffer. Factor VII is partly separated other factors. Factors II IX appear be equal size, whereas factor slightly larger. Molecular weights about 72,000–74,000 were calculated for X, 57,000–59,000...

10.1159/000213992 article EN Pathophysiology of Haemostasis and Thrombosis 1972-01-01
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