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Registros recuperados: 4
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Hypomagnesemia in critically ill cancer patients: a prospective study of predictive factors BJMBR
Deheinzelin,D.; Negri,E.M.; Tucci,M.R.; Salem,M.Z.; Cruz,V.M. da; Oliveira,R.M.; Nishimoto,I.N.; Hoelz,C..
Hypomagnesemia is the most common electrolyte disturbance seen upon admission to the intensive care unit (ICU). Reliable predictors of its occurrence are not described. The objective of this prospective study was to determine factors predictive of hypomagnesemia upon admission to the ICU. In a single tertiary cancer center, 226 patients with different diagnoses upon entering were studied. Hypomagnesemia was defined by serum levels <1.5 mg/dl. Demographic data, type of cancer, cause of admission, previous history of arrhythmia, cardiovascular disease, renal failure, drug administration (particularly diuretics, antiarrhythmics, chemotherapy and platinum compounds), previous nutrition intake and presence of hypovolemia were recorded for each patient. Blood...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Magnesium; Magnesium deficiency; Intensive care unit; Electrolytes; Surgery; Dietary habits; Postoperative patient.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2000001200007
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Is sexual size dimorphism in relative head size correlated with intersexual dietary divergence in West African forest cobras, Naja melanoleuca? Naturalis
Luiselli, Luca; Akani, Godfrey C.; Corti, Claudia; Angelici, Francesco M..
Sex-biased differences in dietary habits of snakes are often linked to pronounced sexual size dimorphism in absolute body size or in relative head size. We studied the food habits of free-ranging forest cobras (Naja melanoleuca) in southern Nigeria to find whether any intersexual dietary divergence is present in this species, and measured both museum vouchers and freeranging specimens to find whether any intersexual divergence in relative head size is present. We demonstrated that: (1) head sizes increases more rapidly with SVL in females than in males, with a result that, at the same body length, the females tended to have significantly larger heads; (2) males and females were nearly identical in dietary habits, both if we consider prey size or prey type;...
Tipo: Article / Letter to the editor Palavras-chave: Serpentes; Cobras; Naja melanoleuca; Dietary habits; Sexual size dimorphism; Ecology; West Africa.
Ano: 2002 URL: http://www.repository.naturalis.nl/record/534295
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Natural Diet of Callinectes ornatus Ordway, 1863 (Decapoda, Portunidae) in the Itapocoroy Inlet, Penha, SC, Brazil BABT
Branco,Joaquim Olinto; Lunardon-Branco,Maria José; Verani,José Roberto; Schveitzer,Rodrigo; Souto,Flávio Xavier; Vale,William Guimarães.
From January to December 1995, 332 individuals of the Callinectes ornatus species were collected from the Itapocoroy inlet in Penha, Sta. Catarina, Brazil to study its natural diet and the seasonal variations of diet. Results showed a diversified trophic spectrum with a generalized dietary strategy comprising the algae, macrophyta, foraminiferida, mollusca, polychaeta, crustacea, echinodermata, Osteichthyes and NIOM (Nonidentified Organic Matter) groups.
Tipo: Info:eu-repo/semantics/article Palavras-chave: C. ornatus; Portunidae; Natural diet; Dietary habits; Dietary ecology.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132002000100006
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Terrestrial birds living on marine environments: does dietary composition of Cinclodes nigrofumosus (Passeriformes: Furnariidae) predict their osmotic load? RChHN
SABAT,PABLO; FARIÑA,JOSÉ M.; SOTO-GAMBOA,MAURICIO.
Feeding on saline marine foods may be especially challenging for passerine birds that lack functional salt glands and have a limited ability to concentrate urine. To reduce the salt load imposed by consumption of marine food these birds may select food with low salt contents and/or increase their intake of freshwater. The genus Cinclodes is particular among passerines because it includes species that inhabit both inland and maritime shores. We analyzed the diet of Cinclodes nigrofumosus and explored the possible relationships between dietary composition and salt load at mesic and arid coastal sites of Chile. From a biogeographical perspective, we hypothesized that freshwater availability is critical to the relationship between diet composition and osmotic...
Tipo: Journal article Palavras-chave: Cinclodes; Dietary habits; Osmoregulation; Osmotic load.
Ano: 2003 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2003000200017
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