PMID- 8049986
OWN - NLM
STAT- MEDLINE
DCOM- 19940906
LR  - 20041117
IS  - 0967-2109 (Print)
IS  - 0967-2109 (Linking)
VI  - 2
IP  - 3
DP  - 1994 Jun
TI  - The new stentless aortic valve: clinical results of the first 100 patients.
PG  - 407-14
AB  - From May 1990 to August 1993, 100 patients underwent aortic valve replacement 
      using the stentless porcine aortic valve. There were 69 males and 31 females. The 
      mean age was 36 (range 11-76) years. Of 70 patients under 40 years of age, 20 
      were less than 20 years old. Indications included rheumatic heart sequelae in 55 
      patients (first valve replacement), prosthetic failure in 20, endocarditis in 13, 
      congenital aortic bicuspid valve in four, degenerative disease in four and senile 
      calcified aortic valves in four. Twenty patients had aortic annular related 
      pathology. There were 15 associated surgical procedures. Forty-three patients 
      required aortic root enlargement. There were approximately equal numbers of 
      patients in New York Heart Association (NYHA) functional classes III and IV. The 
      hospital mortality rate was 6%; 14 patients who experienced hospital morbidity 
      had a full recovery. Two late reoperations were performed in patients with 
      primary valve endocarditis; their recovery was uneventful. Four late deaths were 
      not valve related. Comparative echo Doppler analysis before and after operation 
      demonstrated good improvement of left ventricular function in nearly all 
      patients. The valve was competent in 96% of patients and the remainder displayed 
      minor jets without haemodynamic significance. The valve coaptation was stable in 
      all patients. Use of the stentless porcine aortic valve in this first 100 
      patients has provided excellent clinical results with a follow-up of 41 months. 
      Further follow-up and close observation will be required to analyse the outcome 
      of this new valve and procedure with time.
FAU - Vrandecic, M P
AU  - Vrandecic MP
AD  - Department of Cardiothoracic Surgery, Biocor Institute, Belo Horizonte, Minas 
      Gerais, Brazil.
FAU - Gontijo, B F
AU  - Gontijo BF
FAU - Fantini, F A
AU  - Fantini FA
FAU - Gutierrez, C
AU  - Gutierrez C
FAU - Paula e Silva, J A
AU  - Paula e Silva JA
FAU - Oliveira, O C
AU  - Oliveira OC
FAU - Barbosa, J T
AU  - Barbosa JT
FAU - Oliveira, R M
AU  - Oliveira RM
FAU - Avelar, S O
AU  - Avelar SO
FAU - Miotto, H C
AU  - Miotto HC
AU  - et al.
LA  - eng
PT  - Journal Article
PL  - England
TA  - Cardiovasc Surg
JT  - Cardiovascular surgery (London, England)
JID - 9308765
SB  - IM
MH  - Adolescent
MH  - Adult
MH  - Aged
MH  - Aorta/surgery
MH  - *Aortic Valve/surgery
MH  - *Bioprosthesis/adverse effects
MH  - Child
MH  - Echocardiography, Doppler
MH  - Endocarditis/surgery
MH  - Female
MH  - Follow-Up Studies
MH  - Heart Valve Diseases/surgery
MH  - *Heart Valve Prosthesis/adverse effects
MH  - Humans
MH  - Male
MH  - Middle Aged
MH  - Mitral Valve/surgery
MH  - Prosthesis Design
MH  - Prosthesis Failure
MH  - Reoperation
MH  - Rheumatic Heart Disease/surgery
MH  - Stents
MH  - Surface Properties
MH  - Survival Rate
MH  - Ventricular Function, Left
EDAT- 1994/06/01 00:00
MHDA- 1994/06/01 00:01
CRDT- 1994/06/01 00:00
PHST- 1994/06/01 00:00 [pubmed]
PHST- 1994/06/01 00:01 [medline]
PHST- 1994/06/01 00:00 [entrez]
PST - ppublish
SO  - Cardiovasc Surg. 1994 Jun;2(3):407-14.