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J Korean Soc Emerg Med > Volume 5(2); 1994 > Article
Journal of The Korean Society of Emergency Medicine 1994;5(2): 147-157.
FACTORS AFFECTING SURVIVAL OVER 24 HOURS AFTER RETURN OF SPONTANEOUS CIRCULATION FROM NON-TRAUMATIC CARDIAC ARREST
Young Sik Kim1, Sung Oh Hwang1, Kyoung Soo Lim1, Kang Hyun Lee1, Boo Soo Lee1, Moo Eob Ahn1, Jung Han Yoon2, Keum Soo Park2, Kyung Hoon Choe2
1Department of Emergency Medicine, Wonju College of Medicine, Wonju, Korea
2Department of Emergency Internal Medicine, Wonju College of Medicine, Wonju, Korea
  Published online: December 31, 1994.
ABSTRACT
Because many patients with return of spontaneous circulation(ROSC) from cardiac arrest die within first 24 hours, survival rate is still very low in spite of high rate of ROSC. To delineate the factors affecting 24 hour survival of cardiac arrest victims, we compared clinical characteristics of patients(group I : 45 cases) died within 24 hours with patients (Group II : 24cases) survived over 24 hours in 69 patients with ROSC from non-traumatic car­diac arrest. Among fate factors, there was no difference in age, sex ratio, place of cardiac arrest, witnessness, attempt of bystander cardiopulmonary resuscitation(CPR) and arrest time be­tween two groups. Cardiac cause as a etiology and ventricular fibrillation as a initial ECG rhythm were more frequent in group II . CPR time was prolonged in group I . There was no difference between two group in dosage of epinephrine and sodium bicarbonate administered, and in defibrillation energy delivered during CPR. Initial arterial and venous pH, lowest pH during CPR, and arterial pH immediate to ROSC were lower in group I than group II . Systolic blood pressure since 2 hour after ROSC was lower in group I than group II , although the frequency of administration of vasopressor agents was similar with group II . In conclusion, there were many differences in clinical characteristic, such as etiology of cardi­ac arrest, initial ECG rhythm, degree of acidosis throughout CPR, systolic blood pressure since 2 hour after ROSC between patients died within 24 hours and patients survived over 24 hours.
Key words: 24 Hour Survival, Cardiac Arrest, Cardiopulmonary Resuscitation
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