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At least 1,225 records · Page 68Linked to original sources
PubMed1978

A new technique for external heart compression.

The traditional arm-hand method for external heart compression has proved effective but still can lack force and result in complications when performed by weak or fatigued rescuers. Consequently, a leg-heel method was tested as an alternative. Using a cardiopulmonary resuscitation manikin as the victim, our pilot study showed that external heart compression can be administered effectively by a rescuer standing next to a victim in a supine position. The leg-heel method deserves to be tested to establish its place in cardiopulmonary resuscitation.

Body Weight↗
PubMedDate not supplied

Retrograde aortic dissection during cardiopulmonary bypass.

Femoral artery perfusion for cardiopulmonary bypass is still employed for reoperation, procedures involving the thoracic aorta, and partial bypass in critical patients. Retrograde aortic dissection is the most significant complication of femoral perfusion. The reported incidence is from 0.6% to 14% with a mortality of 66%. Most of the deaths occurred in patients in whom the dissection was not recognized , or in whom the dissection was recognized but not treated appropriately. Our experience with retrograde dissection totals six patients of 640 (0.9%) in whom femoral inflow was used. Four of the six patients survived the dissection. Sudden increase in extracorporeal line pressure shortly after beginning cardiopulmonary bypass associated with decreased venous return, dampened radial arterial pressure, and the abrupt appearance of a bluish, bulging ascending aorta establishes the diagnosis. Survival is enhanced if cardiopulmonary bypass is promptly discontinued, aortic cannulation established, and bypass reinstituted with the induction of profound hypothermia. Circulatory arrest may then be employed to repair the false passage. In this series the proposed operation was completed in all six patients.

Adult↗
PubMed1981

[Resuscitation].

The newest resuscitation methods are summarized, and the time to train is now! Time can be saved by mouth-to-mouth artificial respiration. Adjuncts for opening the airway should be avoided as an initial measure (masks, bellow devices, S tube, esophageal tube, endotracheal tube). Use the percordial thumb in nonhypoxic cases. Make sure that epinephrine is available for use within the first minute of CPCR. If there is no diastolic pressure, there is no flow in the coronary system. Use 6 J/kg body wt. for defibrillation. Drugs and blood-volume increase (dextran 60) should be used alternatively to maintain a stable blood pressure and adequate circulation in the brain as well.

Blood Pressure↗
PubMed1992

Complications of chest thump for termination of supraventricular tachycardia in children.

We report on two cases of mechanical termination of supraventricular tachycardia by chest thump which were followed by serious complications. In a 3-year-old boy with an otherwise normal heart, incessant supraventricular tachycardia was converted to sinus rhythm by a single precordial thump. This, however was followed by thrombo-embolic infarction of the left-sided middle cerebral artery. In another case of a 9-year-old girl, recurrent episodes of supraventricular tachycardia were associated with Ebstein anomaly of the tricuspid valve. Chest thump was successful in terminating supraventricular tachycardia but induced a short run of ventricular tachycardia which terminated itself and was then followed by sinus rhythm. It is concluded that even a slight precordial thump implies undetermined risks in the acute management of supraventricular tachycardia in children and should therefore be abandoned in favour of other methods.

Cerebral Infarction↗
PubMed1974

Pathogenesis and treatment of metabolic acidosis in open heart surgery under surface induced deep hypothermia.

Metabolic acidosis observed in open heart surgery under surface induced deep hypothermia is due to lactacidemia, but is reversible, returning to precooling level 24 hours after the operation, and it can be considered more or less as a pathognomonic finding. Although the correction of acidosis present did not influence the level of lactic acid in blood, it was found to be clinically advantageous during the heartresuscitation. Therefore, it is advisable to maintain acid-base balance within-10 mEq per 1 of base excess.

Acid-Base Equilibrium↗