Original Articles: Cardiovascular
Time related quality of life after elective cardiac operation

https://doi.org/10.1016/S0003-4975(99)00675-XGet rights and content

Abstract

Background. Due to improved operative techniques, myocardial preservation, and perioperative care, open heart procedures are now being performed in older and sicker patients. As a result, the quality of life has become an important issue in the decision making process.

Methods. Between January 1993 and October 1994, 604 patients above 65 years of age who underwent non-emergent open heart operations were followed prospectively over a 2-year period. The Health Status Questionnaire forms were distributed to all patients preoperatively and to hospital survivors at 3, 12, and 24 months. The questionnaire contains 36 questions and is divided into eight categories. Follow-up was 100% complete with 99.6% of questionnaires returned.

Results. Significant quality of life improvements were noted in all categories after surgery. After reaching a peak at 12 months, there were small, but significant declines in scores relating to physical health and health perception at 24 months. In contrast, measurements for mental attributes continued to increase with time. By multivariate analysis, diabetes, older age, and female gender had a relatively adverse influence on quality of life despite improvement after operation. Similarly, patients with chronic obstructive pulmonary disease or having redo operations had lower health perception with some physical limitations. While procedure type (coronary artery bypass grafting) was associated with preoperative bodily pain, congestive heart failure symptoms were not an independent factor affecting quality of life.

Conclusions. Quality of life improves with cardiac surgical interventions in this studied age group and should not be denied even in the elderly population.

Section snippets

Patients and methods

From January 1993 to October 1994, 850 patients above 65 years of age underwent cardiac surgery requiring cardiopulmonary bypass in the Department of Cardiac Surgery at the Kaiser Permanente Medical Center (Los Angeles, CA). This represented 40% of the 2,113 adult open heart operations (mean age 62.8 years) performed during this period. To focus the analysis on commonly performed procedures, only individuals requiring coronary artery bypass grafting (CABG), valve procedure, or a combination

Results

The overall 30-day hospital mortality rate was 3.3% ± 0.7% (2.7% ± 0.8% for CABG ± miscellaneous, 4.2% ± 2% for valve surgery ± miscellaneous, and 5.9% ± 2.9% CABG + valve surgery, p = NS). There were 41 late deaths during the 2-year follow-up period (28 for CABG ± miscellaneous, 10 for valve surgery ± miscellaneous, and 3 for CABG + valve surgery, p = NS). Therefore, 543 patients survived to complete the study and their quality of life data were entered into the analysis.

Selective preoperative

Comment

While mortality and morbidity rates, symptoms of illness, and return to normal activity are commonly used objective measures of clinical outcome after cardiac surgery, these represent only part of what clinicians typically regard as recovery. Recent emphasis has been placed on changes in functional status and feelings of well-being postoperatively. Most studies of this kind have concentrated on patients undergoing CABG 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 with few reports 18, 19, 20

Acknowledgements

Supported in part by the Garfield Foundation.

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