Table 1

Prospective studies

Reference study type (quality of study: USPSTFQR score)Surgery: average ageNumber in study (survivors, % assessed for QoL)QoL toolLength of follow-upOutcome
Olsson et al16 Prospective (Fair quality)
Stockholm, Sweden
AVR
Mean 83±2
32 (25, 96%)Self-designed questionnaire3 and 12 monthsPhysical ability improved, depression decreased, improvement in self-rated health
Deutsch et al17
Prospective (Conference abstract)
Munchen, Germany
All cardiac surgery
Median 82.5 (80–91.8)
87 (Not specified)SF-363 monthsThe SF-36 scores for physical functioning (41.8 vs 48.7, p=0.05), role-physical (25.8 vs 36.4, p=0.05), bodily-pain (51.9 vs 74.4, p=0.001) and vitality (41.2 vs 49.8, p=0.006) increased 3 months postoperatively. No significant differences found for general health (54.3 vs 56.6, p=0.38), mental health (67.9 vs 71.8, p=0.1) role-emotional (59.5 vs 60.5, p=0.9), social functioning (75.4 vs 73.6, p=0.63) scores
Ferrari et al18
Group 1: Retrospective
Group 2: Prospective (Conference abstract)
Modena, Italy
All cardiac surgery
Not documented
Group 1: 192
Group 2: 21 (Not specified)
SF-36
HADS
SAQ
Group 1: 5–7 years
Group 2: not specified
Group 1: satisfaction with treatment in 80%, freedom from cardiac symptoms in 62% and overall well-being in 78% of cases.
Group 2: improvement of QoL (SF-36 mean total score 57.1 vs 73.5, p=0.001), clinical conditions and anxiety-depressive symptoms (p=0.001 both for HADS-anxiety and HADS-depression)
Pontoni et al19
Group 1: Retrospective
Group 2: Prospective (Conference abstract)
Modena, Italy
All cardiac surgery
Not documented
Group 1: 86
Group 2: 21 (Not specified)
SF-36
HADS
SAQ
Group 1: Mean 5.5 years
Group 2: 6 months
Group 1: Retrospective analysis: absence of physical limitation in 50% of patients, treatment satisfaction in 80%, satisfactory well-being and enjoyment of life in 78%
Group 2: QoL showed significant improvement in 4 of 5 modified SAQ domains (except of treatment satisfaction), 6 of 8 SF-36 domains (except of Emotional Role Limitation and Vitality) and in depression and anxiety HADS subscales
Oldroyd et al20
Prospective (Conference abstract)
Victoria, Australia
All cardiac surgery
Mean 83.2±2.5
63 (Not specified)SF-363 months51(81%) felt that cardiac surgery had been worthwhile, despite no significant change in SF-36 scores
Lam et al21
Prospective (Poor quality)
Ontario, Canada
AVR±CABG
Mean 83.7±3.4 (80–96)
58 (20, 35%)SF-366 monthsBetter scores for bodily pain, vitality, social functioning and mental health than patients <80. Better scores for bodily pain, general health, vitality, social functioning and mental health than the general population >75
Wilson et al22
Prospective (Fair quality)
New York, USA
CABG
Mean 82 (80–88)
73 (71, 97%)Karnofsky performance scoreUp to 5 yearsKarnofsky performance score improved from a mean 67 to 78 (p<0.05), median of 50–80. 83% independent of ADLs. 97% living at home
Khan et al23
Prospective (Fair quality)
San Francisco, USA
Valve surgery±CABG
Mean 83.5 (80–89)
61 (54, 100%)Karnofsky performance score1 and 3 monthsMedian Karnofsky score increased from 30% to 80% 1 month post-operatively, sustained at 3-month follow-up
Glower et al24
Prospective (Fair quality)
North Carolina, USA
CABG
Mean 81±2 (80–93)
86 (74, 100%)Karnofsky performance scoreQoL data at discharge Mean 17±17 monthsMedian Karnofsky score improved from 20% to 70% (p=0.0001) Mean Karnofsky score improved from 27±15 preoperatively to 60±27%
  • ADL, activities of daily living; AVR, aortic valve replacement; CABG, coronory artery bypass graft; HADS, Hospital anxiety and depression scale; QoL, quality of life; SAQ, Seattle Angina Questionnaire; SF-36, Short Form 36.