victoria/hypoxia

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Hypoxia-induced changes in hemoglobins of Lake Victoria cichlids.

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In a previous study, broods of the Lake Victoria cichlid Haplochromis ishmaeli raised under hypoxic or normoxic conditions showed striking differences in isohemoglobin (isoHb) pattern that were not observed in two other cichlids that do not belong to the Lake Victoria species flock. We therefore

Pediatric hyperbaric oxygen therapy in Victoria, 1998-2010.

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OBJECTIVE The aim of this review is to identify clinical conditions currently treated in a pediatric population referred to the Alfred hyperbaric unit, to describe outcomes, and detail any complications occurring during treatment or transfer between units. METHODS Retrospective, noncontrolled,

Multiple strategies of Lake Victoria cichlids to cope with lifelong hypoxia include hemoglobin switching.

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Many fish species adapt to hypoxia by reducing their metabolic rate and increasing hemoglobin-oxygen (Hb-O(2)) affinity. Pilot studies with young broods of cichlids showed that the young could survive severe hypoxia in contrast with the adults. It was therefore hypothesized that early exposure

Physiological refugia: swamps, hypoxia tolerance and maintenance of fish diversity in the Lake Victoria region.

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In Lake Nabugabo, Uganda, a satellite of Lake Victoria, approximately 50% of the indigenous fishes disappeared from the open waters subsequent to the establishment of the introduced predatory Nile perch, Lates niloticus. This pattern is similar to the faunal loss experienced in the much larger Lake

Risks of hypoxia and acidification in the high energy coastal environment near Victoria, Canada's untreated municipal sewage outfalls.

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Wastewater disposal often has deleterious impacts on the receiving environment. Low dissolved oxygen levels are particularly concerning. Here, we investigate the impacts on dissolved oxygen and carbon chemistry of screened municipal wastewater in the marine waters off Victoria, Canada. We analyzed

Thoracostomy in children with severe trauma: An overview of the paediatric experience in Victoria, Australia.

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Thoracic trauma is a leading cause of paediatric trauma deaths. Traumatic cardiac arrest, tension pneumothorax and massive haemothorax are life-threatening conditions requiring emergency and definitive pleural decompression. In adults, thoracostomy is increasingly preferred over needle

Patterns of genomic differentiation between two Lake Victoria cichlid species, Haplochromis pyrrhocephalus and H. sp. 'macula'.

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The molecular basis of the incipient stage of speciation is still poorly understood. Cichlid fish species in Lake Victoria are a prime example of recent speciation events and a suitable system to study the adaptation and reproductive isolation of

Climatic variability in combination with eutrophication drives adaptive responses in the gills of Lake Victoria cichlids.

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Textbook examples of adaptive radiation often show rapid morphological changes in response to environmental perturbations. East Africa's Lake Victoria, famous for its stunning adaptive radiation of cichlids, has suffered from human-induced eutrophication over the past decades. This cultural

Historical deposition of persistent organic pollutants in Lake Victoria and two alpine equatorial lakes from East Africa: Insights into atmospheric deposition from sedimentation profiles.

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Information on historical deposition of persistent organic pollutants (POPs) for African lakes is very limited. We investigated historical deposition trends and sources of POPs in sediment cores from Lakes Victoria (SC1), Bujuku (Buju2) and Mahoma (Maho2). The latter two lakes are situated in the

Prehospital Rapid Sequence Intubation by Intensive Care Flight Paramedics.

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OBJECTIVE Rapid sequence intubation (RSI) is an advanced airway procedure for critically ill or injured patients. Paramedic-performed RSI in the prehospital setting remains controversial, as unsuccessful or poorly conducted RSI is known to result in significant complications. In Victoria, intensive

Epidural analgesia for patients in labour.

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Labour pain is very real to expectant mothers. Untreated it can give rise to hypocarbia, hypoxia and fetal acidosis. Pain relief during labour dates back to Queen Victoria who was given chloroform for the birth of Prince Leopold. Since then many techniques and drugs have been used. Epidural

A novel fluorescent pH probe for expression in plants.

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BACKGROUND The pH is an important parameter controlling many metabolic and signalling pathways in living cells. Recombinant fluorescent pH indicators (pHluorins) have come into vogue for monitoring cellular pH. They are derived from the most popular Aequorea victoria GFP (Av-GFP). Here, we present a

A randomized controlled trial of oxygen therapy in acute myocardial infarction Air Verses Oxygen In myocarDial infarction study (AVOID Study).

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BACKGROUND The role of routine supplemental oxygen for patients with uncomplicated acute myocardial infarction (AMI) has recently been questioned. There is conflicting data on the possible effects of hyperoxia on ischemic myocardium. The few clinical trials examining the role of oxygen in AMI were

Unexplained intrauterine death near term.

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In Victoria, in 1984, intrauterine hypoxia of unknown aetiology accounted for 59 of the 252 perinatal deaths of infants with a birth-weight of 2,500 g or more. These unexplained deaths occur in approximately 1 in 1,000 pregnancies near term, and in more than 90% of cases the infants are neither

Obstetrical events that shaped Western European history.

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Taking into account that marriage, the family as a social unit, and concepts of legitimacy developed to ensure the devolution of property and that, when these concepts apply in a society based on hierarchically organized monarchies, they also involve the devolution of power, this essay furnishes

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