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Query: UMLS:C0001127 (
respiratory acidosis
)
1,501
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
Twenty-seven newborn Holstein bull calves were bottle-fed 2 litres of pooled colostrum which had been stored at -20 degrees C. Blood gas analysis before feeding showed a partially compensated
respiratory acidosis
in most of the calves, although they all appeared to be clinically normal. Mean venous blood pH was 7.346, carbon dioxide tension (PCO2) was 57.5 mmHg (7.6 kPa), bicarbonate was 30.6 mmol/l and base excess was 3.82 mmol/l. Mean serum IgG1 increased to 8.1 g/l after feeding colostrum. Several significant positive correlations were observed between post-absorptive serum protein, IgG1, IgM, gamma-glutamyltransferase (gamma GT) and D-xylose. Calves with either low
serum albumin
, high serum CK or low serum gamma GT before feeding tended to have less absorption of colostral protein. It was concluded that reduced absorption of IgG1 from colostrum is associated with hypercapnia in apparently healthy newborn calves.
...
PMID:Relationships between acid-base balance, serum composition and colostrum absorption in newborn calves. 256 18
Pronounced alterations occur in the biochemical findings in acute poliomyelitis. These are derived from three major mechanisms: (a) inefficient pulmonary gaseous exchange, resulting in
respiratory acidosis
; (b) profound changes in nitrogen metabolism, resulting in decreased
serum albumin
, tissue destruction, and increased urinary nitrogen; (c) losses of electrolytes through extrarenal channels such as lung and tracheal secretions, sweating, and gastrointestinal disturbances. The extent of these alterations may be defined by appropriate serum and urinary biochemical determinations. These determinations are valuable both from a therapeutic and a prognostic standpoint. They also contribute to further understanding of physiologic and pathologic conditions in acute poliomyelitis.
...
PMID:Biochemical alterations in acute human poliomyelitis electrolyte patterns and trends. 1477 9
In 1983, P. J. Stewart proposed a new approach for evaluation of acid-base balance of body fluids. He defined three independent variables responsible for hydrogen ion concentration in body fluids: 1. the partial pressure of carbon dioxide (pCO2); 2. strong ion difference, SID, i.e. the difference between the sums of all the strong (fully dissociated, chemically nonreacting) cations and sums of the strong anions; 3. the total concentration of all the non-volatile weak acids (mainly albumin) designated as [Atot]. On the basis of this theory, V. Fencl invented a new classification of clinical acid-base disturbances.
Respiratory acidosis
and alkalosis result from abnormalities of pCO2. The classifications of the respiratory disturbances of ABR is identical as in the conventional viewing which is based on the dissociation equation of carbonic acid. Metabolic acidoses or alkaloses result from derangements of the SID and/or [Atot]. The change of SID value is a consequence of either dehydration (alkalosis) or hyperhydration (acidosis). Other mechanisms of SID deviation are either changes of serum chloride concentration (an increase causes acidosis, a decrease causes alkalosis) or an increase of concentrations of substances not routinely measured (ketones, lactate, exogenous acids). [Atot] value is determined mainly by the
serum albumin
concentration (alkalosis in hypoalbuminemia, acidosis in hyperproteinemia). The Stewart-Fencl approach to acid-base balance enables to understand and predict what happens to hydrogen ions in body fluids and to control the pH abnormalities quantitatively.
...
PMID:[Analysis and adjustment of acid-base disturbances according to the Stewart-Fencl principle]. 1564 70