Objective: Salmonellosis is a bacterial disease with a rising prevalence in the cattle industry. It is most common in dairy calves one to ten weeks of age. Salmonellosis has a serious economic impact on the cattle industry worldwide. Methods: In May 2013, a three months old male Holstein calf with the history of lateral recumbency was referred to veterinary hospital with severe depression, cach...

Objective: Salmonellosis is a bacterial disease with a rising prevalence in the cattle industry. It is most common in dairy calves one to ten weeks of age. Salmonellosis has a serious economic impact on the cattle industry worldwide. Methods: In May 2013, a three months old male Holstein calf with the history of lateral recumbency was referred to veterinary hospital with severe depression, cach...

PURPOSE We tested the hypothesis that retinal blood flow has a postocclusive reactive hyperemia response modulated by occlusion duration and metabolic activity, and that choroidal blood flow does not. METHODS Anesthetized and paralyzed rats (n = 34) were studied. Retinal and choroidal blood flow was measured by laser speckle imaging and laser Doppler flowmetry, respectively. Blood oxygenation...

With electromagnetic flow transducers and pneumatic cuff occluders on the circumflex branch of the left coronary artery in conscious and in anesthetized dogs, we examined the effects of both a temporary reduction in postocclusion hyperemia and oneand twocardiac cycle occlusions of the artery on the size and the duration of the hyperemic response. After release of 8-second occlusions, flow was p...

In the study entitled “Men Born in 1914,” a reduction of pulse-wave amplitude during reactive hyperemia was found to be predictive of long-term cardiovascular events (1). Of particular note is the fact that these observations were made many years before the whole concept of endotheliumdependent vasoreactivity and its mediators was elaborated (2). Therefore, this study was the first to subsequen...

PURPOSE To compare the efficacy and safety of 0.1% dexamethasone/0.3% netilmicin (Netildex), with that of 0.1% dexamethasone/0.3% tobramycin (Tobradex) in the treatment of external ocular inflammation requiring antibiotic therapy. METHODS In this randomized, double-blind study, 139 subjects with conjunctival inflammation associated with signs of ocular infection were treated with Netildex (n ...

PURPOSE We examined how chewing rate and the extent of reactive hyperemia affect the blood flow in denture-supporting mucosa during chewing. METHODS The left palatal mucosa was loaded under conditions of simulated chewing or simulated clenching for 30s, and the blood flow during loading was recorded. We compared the relative blood flow during loading under conditions that recreated different ...

Measurement of the increase in digital pulse volume amplitude (PVA) during reactive hyperemia relative to baseline (PVA-RH) is being applied widely as a convenient test of nitric oxide bioavailability. However, evidence linking digital PVA-RH to nitric oxide is currently lacking. Accordingly, we investigated whether nitric oxide is responsible for the increase in digital PVA. During reactive hy...

The present study was designed to elucidate the role of collateral development, per se, on reactive hyperemia without persistent coronary stenosis in instrumented conscious dogs. Functional states of coronary collaterals were augmented by repetitive 2 minutes of coronary occlusion every 30 minutes for 2-9 days. Regional shortening measured sonomicrometrically recovered from -1.2 +/- 6.5% of the...

A striking characteristic of the blood flow adaptation at exercise onset is the immediate and substantial increase in the first few (0-5 s) seconds of exercise. The purpose of this mini-review is to put into context the present evidence regarding mechanisms responsible for this phase of exercise hyperemia. One potential mechanism that has received much attention is the mechanical effect of musc...