Ignite Creation Date:
2024-05-05 @ 10:00 AM
Last Modification Date:
2024-10-26 @ 9:04 AM
Study NCT ID:
NCT00005222
Status:
COMPLETED
Last Update Posted:
2016-05-13
First Post:
2000-05-25
Brief Title:
Decline in Cardiovascular Mortality Framingham 1950-1984
Sponsor:
National Heart Lung and Blood Institute NHLBI
Organization:
National Heart Lung and Blood Institute NHLBI
Study Overview
Official Title:
None
Status:
COMPLETED
Status Verified Date:
2000-04
Last Known Status:
None
Delayed Posting:
No
If Stopped, Why?:
Not Stopped
Has Expanded Access:
False
If Expanded Access, NCT#:
N/A
Has Expanded Access, NCT# Status:
N/A
Acronym:
None
Brief Summary:
To investigate possible mechanisms responsible for the decline in cardiovascular disease mortality among the Framingham Heart Study population and to evaluate the health status of survivors in terms of subsequent illness and functional limitations
Detailed Description:
BACKGROUND
Cardiovascular disease mortality has declined more than 30 percent in the last thirty years Almost two-thirds of this decline occurred between 1970 and 1980 Despite this decreased mortality cardiovascular disease is still the leading cause of death It is also the disease category associated with the most rapidly rising health care costs Secular trends in lifestyle self-care improved access to medical care and improvements in diagnostic and curative medicine have all been implicated An understanding of the mechanisms contributing to this decline is necessary in order to develop a scientific basis for palliative and preventive care Also the dramatic decline in cardiovascular disease mortality has raised the issue of the quality of life among the survivors The question is raised whether more people are surviving but with worsening health in terms of increased incidence and prevalence of disease as well as increased levels of functional limitation
DESIGN NARRATIVE
Five hypotheses were tested to address the issue of secular trends in lifestyle self-care and medical care which may have influenced cardiovascular disease mortality These were differences in risk factor levels among similarly-aged birth cohorts influenced mortality by lessening the severity of disease or by improving recuperative capacity mortality among the later birth cohorts declined due to less comorbid disease at the time of the disease event long-term case fatality declined because the progression of disease was slower as evidenced by a reduction in disease recurrence medical intervention reduced mortality by eliminating lethal sequelae in the later birth cohorts decreased mortality resulted from medical innovations in diagnosis and therapy Three hypotheses were tested to address the issue of worsening health among the survivors in the later birth cohorts These were although more individuals in the later birth cohorts survived 13 years of follow-up than did members of similarly-aged birth cohorts in earlier periods they had higher rates of morbidity and were hospitalized more often survivors in the later cohorts exhibited more disability in functional limitations more survivors in the later cohorts were institutionalized in chronic care hospitals or skilled nursing facilities Data on risk factors co-morbidity and recurrent cardiovascular disease in the three birth cohorts were already computerized Data on medical interventions improvement in case management and the use of various technological innovations were abstracted from medical records and linked with the data on disease events Data on functional limitations were available both by type and extent of disability from the Disability Analysis of Health Data a study supported by the Social Security Administration This data file was merged with the file for disease events to determine if general differences in functional health existed among the three birth cohorts at intake and if between-cohort differences existed among survivors
The study was renewed as a Shannon Award in Fiscal 1991
The study completion date listed in this record was obtained from the End Date entered in the Protocol Registration and Results System PRS record
Cardiovascular disease mortality has declined more than 30 percent in the last thirty years Almost two-thirds of this decline occurred between 1970 and 1980 Despite this decreased mortality cardiovascular disease is still the leading cause of death It is also the disease category associated with the most rapidly rising health care costs Secular trends in lifestyle self-care improved access to medical care and improvements in diagnostic and curative medicine have all been implicated An understanding of the mechanisms contributing to this decline is necessary in order to develop a scientific basis for palliative and preventive care Also the dramatic decline in cardiovascular disease mortality has raised the issue of the quality of life among the survivors The question is raised whether more people are surviving but with worsening health in terms of increased incidence and prevalence of disease as well as increased levels of functional limitation
DESIGN NARRATIVE
Five hypotheses were tested to address the issue of secular trends in lifestyle self-care and medical care which may have influenced cardiovascular disease mortality These were differences in risk factor levels among similarly-aged birth cohorts influenced mortality by lessening the severity of disease or by improving recuperative capacity mortality among the later birth cohorts declined due to less comorbid disease at the time of the disease event long-term case fatality declined because the progression of disease was slower as evidenced by a reduction in disease recurrence medical intervention reduced mortality by eliminating lethal sequelae in the later birth cohorts decreased mortality resulted from medical innovations in diagnosis and therapy Three hypotheses were tested to address the issue of worsening health among the survivors in the later birth cohorts These were although more individuals in the later birth cohorts survived 13 years of follow-up than did members of similarly-aged birth cohorts in earlier periods they had higher rates of morbidity and were hospitalized more often survivors in the later cohorts exhibited more disability in functional limitations more survivors in the later cohorts were institutionalized in chronic care hospitals or skilled nursing facilities Data on risk factors co-morbidity and recurrent cardiovascular disease in the three birth cohorts were already computerized Data on medical interventions improvement in case management and the use of various technological innovations were abstracted from medical records and linked with the data on disease events Data on functional limitations were available both by type and extent of disability from the Disability Analysis of Health Data a study supported by the Social Security Administration This data file was merged with the file for disease events to determine if general differences in functional health existed among the three birth cohorts at intake and if between-cohort differences existed among survivors
The study was renewed as a Shannon Award in Fiscal 1991
The study completion date listed in this record was obtained from the End Date entered in the Protocol Registration and Results System PRS record
Study Oversight
Has Oversight DMC:
Is a FDA Regulated Drug?:
Is a FDA Regulated Device?:
Is an Unapproved Device?:
Is a PPSD?:
Is a US Export?:
Is an FDA AA801 Violation?:
Secondary IDs
| Secondary ID | Type | Domain | Link |
|---|---|---|---|
| R01HL040423 | NIH | None | httpsreporternihgovquickSearchR01HL040423 |