Impact on patients' health status following early identification of a COPD exacerbation

J Bourbeau, G Ford, H Zackon, N Pinsky… - European …, 2007 - Eur Respiratory Soc
The current study aimed to assess the impact on patient health status during an acute
exacerbation of chronic obstructive pulmonary disease (AECOPD). A total of 421 COPD patients …

Quantifying axonal loss after optic neuritis with optical coherence tomography

…, YI Pan, MS Freedman, DH Zackon… - Annals of Neurology …, 2006 - Wiley Online Library
Objective To determine to what degree changes in retinal nerve fiber layer (RNFL) thickness
after optic neuritis (ON) correlate with either visual recovery or impairment. Methods ON can …

Senescent saccades: effects of aging on their accuracy, latency and velocity

JA Sharpe, DH Zackon - Acta oto-laryngologica, 1987 - Taylor & Francis
The effects of aging on horizontal saccades were investigated by infrared oculography in
young, middle-aged and elderly normal subjects. Saccades were elicited in response to three …

Mycobacterium szulgai: An Unusual Pathogen

JS Dylewski, HM Zackon, AH Latour… - Reviews of infectious …, 1987 - academic.oup.com
Mycobacterium szulgai is an unusual pathogen that accounts for <1% of all cases of
nontuberculosis mycobacterial infection. Infections with this organism usually involve the lung but …

Occlusion pressure responses in asthma and chronic obstructive pulmonary disease

H Zackon, PJ Despas, NR Anthonisen - American Review of …, 1976 - atsjournals.org
During CO 2 rebreathing we measured ventilation and the pressure generated during the
first 0.1 sec of inspiratory effort against a closed airway (P 0.1 ) in 12 asthmatics during acute …

Smooth pursuit in senescence: Effects of Target Acceleration and Velocity

DH Zackon, JA Sharpe - Acta oto-laryngologica, 1987 - Taylor & Francis
Smooth pursuit responses to sinusoidal and triangular waveform targets were investigated
in elderly and middle-aged subjects. The middle-aged pursued triangular targets with …

Tadpole-shaped pupils caused by segmental spasm of the iris dilator muscle

HS Thompson, DH Zackon, JSC Czarnecki - American journal of …, 1983 - Elsevier
Segmental spasms of the iris dilator muscle produce intermittent pupillary distortion. A study
of 26 case histories (six previously reported and 19 reported for the first time) showed that …

Familial occurrence of pseudoexfoliation in Canada.

…, R Chevrier, LF Gould, DH Zackon… - Canadian journal of …, 1999 - europepmc.org
Background Genetic factors may play an important role in pseudoexfoliation syndrome. We
describe the familial occurrence of pseudoexfoliation in Canadian families. Methods …

Midbrain paresis of horizontal gaze

DH Zackon, JA Sharpe - … of Neurology: Official Journal of the …, 1984 - Wiley Online Library
Unilateral paramedian involvement of the midbrain tegmentum causes monocular paralysis
of adduction in the ipsilateral eye, paresis of contralateral saccades in the opposite eye, and …

The temporal order judgment paradigm: subcorticalattentional contribution under exogenous and endogenouscueing conditions

DH Zackon, EJ Casson, A Zafar, L Stelmach, L Racette - Neuropsychologia, 1999 - Elsevier
The role of subcortical attentional processing was investigated under exogenous
andendogenous cueing conditions. As retino-tectal projections arise predominantly from the …