HOME >> BIOLOGY >> NEWS
Evaluation Of The Two Types Of Cardiac Pacemakers Indicates Only Modest Differences In Value

ctional status and long-term cardiac function.

The researchers did see better long-term cardiac functional status in patients with dual chamber pacemakers, but this observation, they say, demonstrates the complexities inherent in measuring quality of life in the elderly. "While it is clear from our results that dual chamber pacing is associated with long-term improvements in cardiovascular function of over time," said Goldman, "aging and the development or worsening of other diseases may overwhelm the modest improvements in cardiovascular functional class and minimize the long-term effect on generic quality of life."

The pacemakers have traditionally been associated with different advantages. The single chamber ventricular pacemaker is less expensive, easier to implant, and has a longer service life than the dual chamber pacemaker; most important, there often are fewer complications associated with the pacemaker itself. Dual chamber pacemakers, on the other hand, offer the theoretical benefit of mimicking the normal electrical sequence of the heart, pacing the atrium first and the ventricular chamber second.

"The question," said Goldman, "has been whether the benefit of the dual chamber pacemaker in terms of heart function and other complications warrants the extra difficulty in placement, shorter battery life and potential risk of complications for the pacemaker itself, as well as the extra cost. The answer seems to be that in many cases it is not."

The 29-center study, called the Pacemaker Selection in the Elderly Trial, involved patients diagnosed with either sinus node dysfunction, a condition in which the heart beat is not initiated at the appropriate rate, or atrial-ventricular block, in which the heart beat is initiated at the appropriate rate but does not make it through the electrical system. Patients were assessed at three, nine and 18 months after enrollment in the study.
'"/>

Contact: Jennifer O'Brien
jobrien@itsa.ucsf.edu
(415) 476-2557
University of California - San Francisco
16-Apr-1998


Page: 1 2 3

Related biology news :

1. Penn State Wetlands Project Seeks Scientific Evaluation Criteria
2. Research Team Finds Gene Causing Two Types Of Muscular Dystrophy
3. Cardiac arrest may hinder ability to learn certain tasks
4. Cardiac stress tests may indicate if blockages will recur after angioplasty with stent implant
5. Cardiac surgery patients at higher risk
6. Sudden Cardiac Death May Run In Families
7. New Company Formed Through Licensing Of Cardiac-Hypertrophy Technology From Texas Institutions
8. Cardiac Clinical Trial Studies Use of Antibiotic In Preventing Heart Attack
9. Strategic Placement Of Automated External Defibrillators May Help Save Lives Of People Who Go Into Cardiac Arrest
10. Family Ties To Sudden Cardiac Arrest; Study Finds Risk Goes Up 50 Percent
11. Study Reviews Medication Use In Elderly Cardiac Patients After Discharge

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:2/2/2016)... NEW YORK , Feb. 2, 2016 /PRNewswire/ ... analysis of the bioinformatic market by reviewing the ... computer enabled tools that drive the field forward. ... report to: Identify the challenges and opportunities ... service providers and software solution developers, as well ...
(Date:2/2/2016)... Feb. 2, 2016   Parabon NanoLabs ... U.S. Army Research Office and the Defense Forensics ... sensitivity of the company,s Snapshot Kinship Inference ... and, more generally, defense-related DNA forensics.  Although Snapshot ... (predicting appearance and ancestry from DNA evidence), it ...
(Date:2/1/2016)... NEW YORK , Feb. 1, 2016  Today, ... Heart Association (AHA) announced plans to develop a first ... cognitive computing power of IBM Watson. In the first ... disease, AHA, IBM (NYSE: IBM ), and Welltok ... metrics and health assessments with cognitive analytics, delivered on ...
Breaking Biology News(10 mins):
(Date:2/11/2016)...  Bioethics International, a not-for-profit organization focused on the ethics ... made accessible to patients around the world, today announced that ... publication of the Good Pharma Scorecard an ... as one of BMJ Open ,s ,Most Popular Articles, ... most frequently read. Ed Sucksmith , assistant editor ...
(Date:2/11/2016)... 11, 2016  Dovetail Genomics™ LLC today announced that ... for a planned metagenomic genome assembly service. Richard ... genome assembly method in a talk on Friday, February ... Technology conference in Orlando, Fla. ... datasets is difficult. Using its proprietary Chicago ...
(Date:2/11/2016)... ... 11, 2016 , ... Global Stem Cells Group, ... Global Stem Cells Network (GSCN) to distribute exosome injection and other biological products ... Costa Rica, Dominican Republic, Colombia, Argentina, Nicaragua, Panama, El Salvador, Venezuela, Peru, Ecuador, ...
(Date:2/10/2016)... 10, 2016  The Maryland House of Delegates and ... that University of Maryland School of Medicine Dean ... of Maryland Medical System President and CEO Robert ... the highest honor given to the public by the ... Dean Reece and Mr. Chrencik for their contributions ...
Breaking Biology Technology:
Cached News: