摘要:

Acute coronary syndromes, including unstable angina, myocardial infarction, and sudden death, account for more than 250,000 deaths annually. They are the manifestation of a progressive atherosclerotic process, which culminates in the rupture of atherosclerotic plaques and the formation of mural thrombi. This article reviews recent and current research, which has shed light on key events and evolutionary processes leading to acute coronary syndromes. The article details the development of vulnerable plaques, factors that promote plaque rupture, and triggering events related to plaque rupture. Also discussed are sequelae of acute coronary syndromes, including Q wave and non-Q wave infarction and left ventricular remodeling.

ISSN:0889-4655    

出版商:OVID    

年代:1999

数据来源: OVID

摘要:

Patient delay before seeking treatment for the symptoms of acute myocardial infarction has a significantly negative effect on morbidity and mortality. Most patients delay 2 or more hours before accessing the emergency medical system, which limits the ability to use reperfusion strategies. This article reviews variables that have been implicated in delay and explores possible explanations for why certain characteristics may be associated with longer delays. The outcomes of educational campaigns that have targeted delay behavior will be examined and directions for future research are identified.

ISSN:0889-4655    

出版商:OVID    

年代:1999

数据来源: OVID

摘要:

This article examines the experiences of acute myocardial infarction (AMI) patients who are at high risk for reinfarction or sudden death to determine the impact of posttraumatic stress disorder (PTSD), accumulated burden of adversity, and trauma spectrum disorder on subsequent AMI care-seeking. Individuals experiencing an AMI have been studied with regard to depression and anxiety disorders, but negligible attention has been given to the PTSD potential of the total cardiovascular disease experience. Yet, growing evidence suggests the traumatogenic potential of AMI, with its sudden and unexpected onset, dramatic changes in life circumstance, and the additive effect of comorbid life events, is significant in producing impaired and extended coping during subsequent ischemic events. Consideration of PTSD and a continuum of cumulative adversity provides a more complex and fully drawn understanding of the circumstances surrounding AMI coping and reasons for delayed access to thrombolysis.

ISSN:0889-4655    

出版商:OVID    

年代:1999

数据来源: OVID

摘要:

The quest to identify the acute interventional approach that will achieve the lowest mortality rate with the fewest adverse events has led to a continued controversy surrounding the relative merits of thrombolytic therapy compared with primary angioplasty in the setting of acute myocardial infarction. This article summarizes the benefits and limitations of each reperfusion strategy and highlights adjunctive therapies that will enhance either treatment strategy.

ISSN:0889-4655    

出版商:OVID    

年代:1999

数据来源: OVID

摘要:

Management of the myocardial infarction patient may extend beyond the physiologic to include psychosocial factors that may adversely affect cardiac health. Psychosocial factors such as depression, coronary-prone behavior, hostility, social isolation, anxiety, anger, and stress are related to increased cardiac death and illness. Various interventions including cognitive-behavioral therapies, techniques that elicit the relaxation response, meditation, exercise, and increasing social networks, may play a role in improving health outcomes. This article explores the relationship of these psychosocial factors to cardiac health and proposes a biopsychosocial model of care.

ISSN:0889-4655    

出版商:OVID    

年代:1999

数据来源: OVID

摘要:

The experience of a cardiac event is a significant source of stress for both patients and their family members. The acute phase after myocardial infarction reflects a crisis for patients and family members as they attempt to reconcile the affect of the event and adapt to the uncertainties associated with hospitalization and the initial recovery process. This article reviews empirical research available to cardiovascular nurses that may guide family-centered care during the acute phase after myocardial infarction. Directions for practice and research focus on cardiovascular nursing interventions that address family needs after an acute myocardial infarction. The experience of an acute myocardial infarction is a source of stress for both patients and their family members and may be viewed as a crisis that significantly disrupts family functioning and dynamics.1,2The trajectory of cardiovascular disease involves multiple adjustments by patients and family members as they attempt to reconcile the affect of the event and adapt to the uncertainties associated with the acute phase of illness. Efforts by patients and family members to manage the stressors associated with the acute phase of cardiovascular illness are often associated with alterations in physiologic and psychologic functioning.3,4

ISSN:0889-4655    

出版商:OVID    

年代:1999

数据来源: OVID

摘要:

Heart disease is the primary killer among American women. Differences in referral for cardiac rehabilitation, as well as compliance rates, have been reported between male and female cardiac patients. This study explored the use of Phase I and Phase II cardiac rehabilitation programs by male and female patients. In particular, the study aimed to investigate the relationship between eligibility and subsequent referral to Phase II cardiac rehabilitation in both men and women, as well as their compliance rates in completing Phase II. In addition, for those patients who never started a Phase II program, their reasons for nonparticipation were explored. Structured patient interviews and chart audits were used to explore cardiac rehabilitation eligibility criteria, referral and completion rates. The sample consisted of 87 patients (46 women and 41 men) who were admitted with a medical diagnosis of angina, myocardial infarction, coronary artery bypass grafting, or valve replacement surgery. Men had higher eligibility rates for Phase I, whereas women had higher eligibility rates for Phase II; more men received a referral for Phase II from their physician than women did. Men had a higher completion rate with Phase II compared with women. For those patients who chose not to start a Phase II program, the most common reasons cited included transportation problems, insurance issues, and having exercise equipment at home. Although women are being referred for cardiac rehabilitation, fewer complete the programs. Continued education is essential to teach women the importance of cardiac rehabilitation to overall recovery and adaptation to an acute cardiac event. In addition, cardiac rehabilitation programs must be structured to meet the unique needs of women and thereby remove obstacles that have prevented higher participation rates by women in the past.

ISSN:0889-4655    

出版商:OVID    

年代:1999

数据来源: OVID

摘要:

The dependence of cardiac output measurement precision on ambient temperature and cardiac output stability was assessed by concurrent continuous and bolus thermodilution methods in postoperative cardiac surgery patients. The degree of agreement between the two methods was depended on room temperature (0.1 L/min for each degree below 25°C). The agreement was also closer in trials where cardiac output was stable (<10% variation). The continuous thermodilution method shows sufficient agreement with the bolus method for use in critical care; however, improved precision of cardiac output thermodilution measurements can be achieved by use of correction factors for cardiac instability and for ambient temperature.

ISSN:0889-4655    

出版商:OVID    

年代:1999

数据来源: OVID

摘要:

The cost and duration of cardiovascular care was studied for 4,804 episodes of hospitalization in patients between 45 and 64 years of age. Men were more likely than women to be treated in urban medical centers for shorter, more expensive hospital care; women were more likely to be treated in rural hospitals for longer, less expensive care. Cost of treatment per day was not dependent on the type of insurance, but Medicaid claims (which represent low income patients) were associated with greater lengths of stay.

ISSN:0889-4655    

出版商:OVID    

年代:1999

数据来源: OVID

摘要:

This article presents a case study of a 16-year-old male patient with a significant family history for hypercholesterolemia and coronary artery disease, who suffered an anterior lateral myocardial infarction. On admission, his electrocardiograms revealed the classic pattern of an anterior lateral acute myocardial infarction plus a left anterior hemiblock. His cholesterol level was 750 mg/dL, and his low-density lipoprotein was 650 mg/dL. He underwent a cardiac catheterization that revealed an occluded left anterior descending artery requiring a percutaneous transluminal angioplasty and three coronary stents. The 12-lead electrocardiograms on admission and before discharge are analyzed. This article discusses the electrocardiogram characteristics of anterior lateral wall myocardial infarction coupled with a left anterior hemiblock.

ISSN:0889-4655    

出版商:OVID    

年代:1999

数据来源: OVID