[Changes in pulmonary shunting and blood lactate during general anesthesia with controlled hypotension in patients with idiopathic scoliosis]. 1989

I Cundrle, and O Vlach, and M Dastych

In their work the authors observed the influence of controlled hypotension by means of sodium nitroprusside on the acidobasic balance, the oxygenation parameters, pulmonary shunt and lactatemia in patients with idiopathic scoliosis in the course of dorsal fusion by Harrington instrumentation. In comparison with the control group of patients there had not occurred significant - from the viewpoint of statistics - changes in ph, paCO2 and pvO2. However, the pulmonary shunt (Qva/Qt) doubled (p less than 0.002) which resulted in a significant decrease of paO2 (p less than 0.02) but in no case there occurred hypoxemia. The values of the lactate both in the venous and arterial blood were increased (p less than 0.001, or p less than 0.02) in contrast to the control group of patients, but they did not mean the increased production of lactate during intracellular hypoxia. As a result the regulated hypotension by means of sodium nitroprusside can be applied also in patients with altered pulmonary functions.

UI MeSH Term Description Entries
D007023 Hypotension, Controlled Procedure in which arterial blood pressure is intentionally reduced in order to control blood loss during surgery. This procedure is performed either pharmacologically or by pre-surgical removal of blood. Controlled Hypotension,Hypotension, Induced,Induced Hypotension
D007773 Lactates Salts or esters of LACTIC ACID containing the general formula CH3CHOHCOOR.
D011652 Pulmonary Circulation The circulation of the BLOOD through the LUNGS. Pulmonary Blood Flow,Respiratory Circulation,Circulation, Pulmonary,Circulation, Respiratory,Blood Flow, Pulmonary,Flow, Pulmonary Blood,Pulmonary Blood Flows
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000768 Anesthesia, General Procedure in which patients are induced into an unconscious state through use of various medications so that they do not feel pain during surgery. Anesthesias, General,General Anesthesia,General Anesthesias
D012600 Scoliosis An appreciable lateral deviation in the normally straight vertical line of the spine. (Dorland, 27th ed) Scolioses

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