This paper is only available as a PDF. To read, Please Download here.
Abstract
The NHLBI PTCA Registry collected clinical data on 3, 101 PTCA procedures performed
at 105 clinical centers between September 1977 and September 1981. To investigate
the “learning curve” from introduction through the early application of this new therapy
for revascularization, success rates and complication rates were examined by calendar
year and according to investigator experience. Success rates improved by calendar
year, from 54% in 1979 to 66% in 1981. Investigators with fewer than 50 cases had
a success rate of 55%. After an investigator had performed 150 procedures, the success
rate was 77%. The increase in success rate was largely the result of a dramatic increase
in the ability to cross the narrowing with the catheter, and was accounted for by
experience and improved equipment. Patient selection for PTCA was characterized by
sex, age, previous CABG, number of diseased coronary arteries and stable Canadian
Heart classification over time. Reflecting the increase in the success rate was the
decrease in the need to perform elective CABG. Emergency CABG, death and MI rates
were low (1% mortality, 5% nonfatal MI) and did not change significantly with time
or with investigator experience.
To read this article in full you will need to make a payment
Purchase one-time access:
Academic & Personal: 24 hour online accessCorporate R&D Professionals: 24 hour online accessOne-time access price info
- For academic or personal research use, select 'Academic and Personal'
- For corporate R&D use, select 'Corporate R&D Professionals'
Subscribe:
Subscribe to American Journal of CardiologyAlready a print subscriber? Claim online access
Already an online subscriber? Sign in
Register: Create an account
Institutional Access: Sign in to ScienceDirect
References
- Transluminal dilatation of coronary artery stenosis.Lancet. 1978; 1: 263
- Non-operative dilatation of coronary artery stenosis. Percutaneous transluminal coronary angioplasty.N Engl J Med. 1979; 301: 61-68
- The brachial artery method to transluminal coronary angioplasty.Cathet Cardiovasc Diag. 1982; 8: 233-242
- Percutaneous transluminal coronary angioplasty: analysis of unsuccessful procedures as a guide toward improved results.Cardiovasc Intervent Radiol. 1982; 5: 186-193
- Percutaneous transluminal coronary angioplasty: report from the National Heart, Lung, and Blood Institute.Am J Cardiol. 1982; 49: 2011-2020
- Statistical Methods for Rates and Proportions.in: 2nd ed. Wiley & Sons, New York1981: 143-146
- Percutaneous transluminal coronary angioplasty.N Engl J Med. 1979; 301: 101
- Proceedings of the Workshop on Percutaneous Transluminal Coronary Angioplasty, June 15–16, 1979US Dept. HEW, NHLBI. Publ. No. 802030. March 1980: 9-88
- Guidelines for the performance of percutaneous transluminal coronary angioplasty.Circulation. 1982; 66: 693-694
- Percutaneous transluminal coronary angioplasty: a report of complications from the National Heart, Lung and Blood Institute PTCA registry.Circulation. 1983; 67: 723-730
- PTCA learning curve: skill, technology or patient selection?.Am J Cardiol. 1984; 53: 0000-0000
Article Info
Footnotes
☆This study was supported in part by Contract N01-HV-02906 from the National Heart, Lung and Blood Institute, Bethesda, Maryland.
Identification
Copyright
© 1984 Published by Elsevier Inc.