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1.
Med. intensiva ; 11(4): 23-6, 1994. ilus, tab
Article in Spanish | BINACIS | ID: bin-19500

ABSTRACT

En 64 pacientes (P) se midió dentro de las 6 horas de la admisión, el gradiente venoarterial de CO2 (Gv-aCO2) (G) diferenciando 2 grupos A (G < a 6 mmHg) y B (> 6 mmHg) evaluándose en ellos el desarrollo de fallas múltiples (FM) y la mortalidad (M). En 35 P se midió concomitantemente el G y el índice cardíaco (IC) en 50 oportunidades correlacionándose sus valores; a la vez se midió en ellos el pHi. El desarrollo de FM y la M fueron significativamente mayores en el grupo B; la correlación entre G e IC fue débil, los niveles de IC y G en estos P definieron 4 grupos de determinaciones: I: IC < 2,7, G > 6; II: IC < 2,7, G ? 6; III: IC > 2,7, G ? a 6 y IV: IC > 2,7, G > 6 (en el último no se ubicaron mediciones). En I la X ñ DE fue significativamente menor que II y en este último que en III. El G puede ser de utilidad para establecer pronóstico en la admisión. El más reducido pHi en las determinaciones del grupo I evidencia las consecuencias de la caída efectiva del volumen circulante sumado a alteraciones en la regulación del microflujo en relación al II en el cual esas últimas estarían ausentes (similar IC con G normal) (AU)


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Hypercapnia/complications , Multiple Organ Failure/etiology , Carbon Dioxide/blood , Intensive Care Units , Cardiac Output/physiology , Critical Illness , Prognosis , Carbon Dioxide/physiology , Hypercapnia/diagnosis , Hypercapnia/etiology , Triage/methods
2.
Med. intensiva ; 11(4): 23-6, 1994. ilus, tab
Article in Spanish | LILACS | ID: lil-207641

ABSTRACT

En 64 pacientes (P) se midió dentro de las 6 horas de la admisión, el gradiente venoarterial de CO2 (Gv-aCO2) (G) diferenciando 2 grupos A (G < a 6 mmHg) y B (> 6 mmHg) evaluándose en ellos el desarrollo de fallas múltiples (FM) y la mortalidad (M). En 35 P se midió concomitantemente el G y el índice cardíaco (IC) en 50 oportunidades correlacionándose sus valores; a la vez se midió en ellos el pHi. El desarrollo de FM y la M fueron significativamente mayores en el grupo B; la correlación entre G e IC fue débil, los niveles de IC y G en estos P definieron 4 grupos de determinaciones: I: IC < 2,7, G > 6; II: IC < 2,7, G ? 6; III: IC > 2,7, G ? a 6 y IV: IC > 2,7, G > 6 (en el último no se ubicaron mediciones). En I la X ñ DE fue significativamente menor que II y en este último que en III. El G puede ser de utilidad para establecer pronóstico en la admisión. El más reducido pHi en las determinaciones del grupo I evidencia las consecuencias de la caída efectiva del volumen circulante sumado a alteraciones en la regulación del microflujo en relación al II en el cual esas últimas estarían ausentes (similar IC con G normal)


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Critical Illness , Carbon Dioxide/blood , Cardiac Output/physiology , Hypercapnia/complications , Intensive Care Units , Multiple Organ Failure/etiology , Prognosis , Triage/methods , Carbon Dioxide/physiology , Hypercapnia/diagnosis , Hypercapnia/etiology
3.
Arch Surg ; 128(2): 218-22; discussion 223, 1993 Feb.
Article in English | MEDLINE | ID: mdl-8431123

ABSTRACT

In this study we analyze the results of the use of a predictive index to decide whether to perform abdominal reoperation in the event of septic complications. During a 5-year period, a population of 542 critically ill patients received major abdominal surgery. Patients were divided into two groups: (1) the control group, for which the decision to reoperate was made routinely, based on clinical consensus of the medical team; and (2) the Abdominal Reoperation Predictive Index group, for which the decision to reoperate was made with the help of a mathematical index involving eight mainly clinical variables. The use of Abdominal Reoperation Predictive Index enabled mortality among patients undergoing reoperation to be lowered, the time elapsing between the first operation and relaparotomy to be reduced, and the length of stay in the intensive care unit to be shortened. We conclude that the systematic application of an index, without disregarding clinical judgment, allows the quality of attention to be improved, cost to be lowered, and the level of conflicts generated by the difficult decision to perform reoperation to be curtailed.


Subject(s)
Abdomen/surgery , Laparotomy , Surgical Wound Infection/surgery , Argentina/epidemiology , Critical Illness , Decision Making , Female , Forecasting , Humans , Incidence , Laparotomy/mortality , Length of Stay , Male , Middle Aged , Multiple Organ Failure/etiology , Reoperation , Severity of Illness Index , Surgical Wound Infection/mortality , Survival Rate , Time Factors
6.
Crit Care Med ; 19(8): 1037-40, 1991 Aug.
Article in English | MEDLINE | ID: mdl-1860328

ABSTRACT

OBJECTIVE: To determine if measurements of gastric intramucosal pH have prognostic implications regarding ICU mortality. DESIGN: Prospective comparison of outcome. SETTING: General adult ICUs in two teaching hospitals. PATIENTS: Eighty consecutive patients age 18 to 84 yrs (mean 63.4), 50 men and 30 women, 55% in the medical and 45% in the surgical services. METHODS: Gastric intramucosal pH was measured on ICU admission and again 12 hrs later. A value of greater than or equal to 7.35 was used to differentiate between normal and low gastric intramucosal pH. MEASUREMENTS AND MAIN RESULTS: Fifty-four patients had a normal gastric intramucosal pH and 26 patients had a low gastric intramucosal pH on ICU admission. The mortality rate was greater in the low gastric intramucosal pH group (65.4% vs. 43.6%; p less than .04). The frequency of sepsis and the presence of multisystem organ failure also were greater in the low gastric intramucosal pH group (p less than .01). Further stratification of patients according to gastric intramucosal pH measured 12 hrs after admission showed a greater mortality rate in patients with persistently low gastric intramucosal pH when compared with patients with normal gastric intramucosal pH during the first 12 hrs (86.7% vs. 26.8%; p less than .001). CONCLUSIONS: Measurements of gastric intramucosal pH on ICU admission, and again 12 hrs later, have a high specificity for predicting patient survival in this ICU patient population (77.8% to 80.6%). Furthermore, given its relative noninvasive nature, tonometrically measured gastric intramucosal pH may be a useful addition to patient monitoring in the ICU.


Subject(s)
Critical Care , Gastric Mucosa/chemistry , Mortality , Female , Humans , Hydrogen-Ion Concentration , Male , Middle Aged , Multiple Organ Failure/metabolism , Predictive Value of Tests , Prognosis , Sensitivity and Specificity , Sepsis/metabolism , Time Factors
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