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. 2020 Aug 11;74(1):8–14. doi: 10.1016/j.rec.2020.05.043

Table 1.

Proposed quality indicators for a cardiology or cardiac surgery department

No. Indicator Frequency Benchmark
General hospitalization metrics
 1 No. of administrative admissions/no. of actual admissions/percentage of circulating patients (in different units)a Quarterly 3500/< 2500/< 40%
 2 Attendance (no. of admissions/1000 pop.) Annual ≤ 6/1000
 3 Percentage of elective admissions Quarterly > 25%
 4 Average waiting time in emergency department after admission is decided Quarterly < 4 h
 5 Average length of admission Quarterly < 5 d
 6 Percentage of hospital occupancy Quarterly < 85%
 7 Mortality rate Weekly < 4%
 8 Percentage of hospital discharges Quarterly > 90%
 9 Percentage of readmissions before 8 d Annual < 5%
 10 Percentage of readmissions before 30 d Annual < 10%
 11 Percentage of surveyed patients satisfied or very satisfied Annual 95%
 12 Rate of complaints (no. of complaints/no. of admissions × 100) Annual < 1%
Conventional hospitalization metrics
 13 No. of conventional admissions Quarterly < 2000
 14 Percentage of elective admissions Quarterly 25%-35%
 15 Percentage of transfers from other hospital areas Quarterly < 40%
 16 Average length of stay in the conventional hospital unit (admissions from emergency department) Quarterly < 8 d
 17 Percentage of conventional hospital occupancy Quarterly < 85%
 18 Percentage of hospital discharges from conventional hospitalization (not elective) Quarterly > 80%
 19 Mortality rate of conventional admissions Quarterly < 2%
 20 Percentage of medical complications during conventional admissions Quarterly < 15%
 21 No. of conventional hospital readmissions before 8 d Annual < 5%
 22 No. of falls/1000 conventional hospital admissions Quarterly < 1%
Critical care cardiology unit metrics
 23 No. of coronary unit admissions Quarterly < 1000
 24 Percentage of transfers from other hospital areas Quarterly < 30%
 25 Percentage occupancy Quarterly < 90%
 26 Average length of stay Quarterly < 3 d
 27 Pneumonia associated with CMV Annual 18/1000 d of CMV
 28 Percentage of hospital discharges (alive) Quarterly < 10%
 29 Mortality rate Quarterly < 5%
 30 Mortality rate due to ST-segment elevation AMI in the critical care cardiology unit Annual < 5%
 31 Mortality rate due to cardiogenic shock Annual < 30%
Intermediate care metrics
 32 No. of intermediate care admissions Quarterly > 500
 33 Percentage of transfers to intermediate care from other hospital areas Quarterly  > 60%
 34 Percentage occupancy Quarterly < 90%
 35 Average length of stay Quarterly < 5 d
 36 Mortality rate Quarterly < 3%
Chest pain unit metrics
 37 Door-to-ECG time for patients with chest pain < 10 min Annual  > 90%
 38 Readmissions less than 72 h after discharge from chest pain unit Annual < 1%
Outpatient care metrics
 39 Rate of visits from outpatient clinics: no. of first face-to-face consultations Annual  > 15/1000 pop./y (7000/y)
 40 Ratio of successive/first visits (excluding devices and congenital and valve diseases) Annual < 1.5
 41 No. of e-consultations (remote consultations conducted with a unique electronic medical record) Annual  > 5000
 42 Percentage of e-consultations that are discharges Annual  > 20%
 43 Average wait for e-consultation Annual  < 4 d
 44 Average wait for one-stop clinic Annual  < 15 d
 45 Average wait for first heart failure-related consultation Annual  30 d
 46 Average wait for first device-related consultation Annual  < 30 d
 47 Average wait for first valve-related consultation Annual  < 60 d
 48 Average wait for first consultation for congenital and familial heart disease Annual  < 60 d
 49 Average wait for first cardio-oncology-related consultation Annual  < 15 d
 50 Percentage of hospital discharges after the first consultation (same-day diagnosis) Annual  > 70%
 51 Percentage of discharges from follow-up consultations for general conditions (excluding devices and congenital and valve diseases) Annual  > 15%
 52 Care time delay (appointment-resolution time) Annual < 120 min
Cardiac surgery process metrics
 53 No. of major cardiac surgeries/y Annual  > 450
 54 30-d mortality rate after major cardiac surgery Annual < 5%
 55 Mortality rate from bypass surgery alone Annual < 3%
 56 Mortality rate from aortic valve surgery (excluding endocarditis) Annual < 5%
 57 Mortality rate from mitral valve disease alone (excluding endocarditis) Annual < 10%
 58 Percentage of surgeries performed more than 60 d after being accepted (for nonmedical reasons) Annual 0%
Acute coronary syndrome metrics
 59 In-hospital mortality rate of patients with ST-segment elevation acute coronary syndrome Annual < 5%
 60 In-hospital mortality rate of patients with non-ST-segment elevation acute coronary syndrome Annual < 2%
 61 30-d in-hospital mortality rate of patients with ST-segment elevation acute coronary syndrome Annual < 6%
 62 In-hospital mortality rate of myocardial infarction Annual < 3%
 63 Percentage of reperfusion of ST-segment elevation myocardial infarction Annual  > 80%
 64 Percentage of primary angioplasties in the first 60 min after hospital arrival Annual  > 70%
 65 Percentage of readmissions less than 30 d after discharge for myocardial infarction Annual < 5%
 66 Percentage of acute in-stent thromboses after primary angioplasty Annual < 3%
 67 Average length of stay of patients with ST-segment elevation AMI Annual < 6 d
 68 Average length of stay of patients with non–ST-segment elevation AMI Annual < 6 d
 69 Average length of stay of patients with AMI Annual < 6 d
Heart failure process metrics
 70 In-hospital mortality rate of patients admitted for heart failure Annual < 8%
 71 Percentage of readmissions less than 30 d after discharge for heart failure Annual < 10%
 72 Average length of stay of heart failure patients Annual < 8 d
 73 Bed occupancy percentage in the HF unit Annual < 85%
 74 No. of patients discharged from the hospital via the HF unit with a first diagnosis other than HFb Annual < 30
 75 No. of patients discharged from the hospital via the HF unit with a first diagnosis of HFb Annual < 50
 76 Percentage of hospital discharges from the HF unit of patients with a HF diagnosisb Annual  > 85%
Atrial fibrillation process metrics
 77 Percentage of electrical cardioversions performed within 45 d of patients being placed on the waiting list Annual 100%
 78 Percentage of pulmonary vein ablation procedures Annual > 100%
 79 Percentage of major AF ablation-related complications Annual < 3%
Aortic stenosis process metrics
 80 Percentage of patients undergoing surgery more than 30 d after surgery was agreed Annual 0%
 81 Percentage of patients undergoing TAVI more than 30 d after TAVI was agreed Annual 0%
Infective endocarditis process metrics
 82 In-hospital mortality rate due to infective endocarditis Annual < 25%
 83 Surgical mortality rate of patients admitted for infective endocarditis Annual < 25%
 84 Incidence of infective endocarditis Annual < 10/100 000
 85 Surgical treatment of infective endocarditis Annual  > 40%
 86 Incidence of health care-associated endocarditis Annual < 5/100 000
Cardiac arrest process metrics
 87 Survival after aborted out-of-hospital cardiac arrest Annual  > 50%
 88 Survival after aborted in-hospital cardiac arrest Annual  > 70%
 89 Percentage of cardiac arrest patients undergoing therapeutic hypothermia (with the appropriate indication) Annual  > 90%
Imaging unit metrics
 90 Frequency (no. of comprehensive echocardiograms per 1000 pop.) Annual < 20 (< 9000)
 91 No. of echocardiograms per echocardiographer/y Annual  > 1900
 92 No. of stress echocardiograms Annual  > 400
 93 No. of transesophageal echocardiograms Annual  > 800
 94 Average wait for comprehensive transthoracic echocardiography for patients admitted to cardiology units Annual  < 1.5 d
 95 Average wait for comprehensive transthoracic echocardiography for outpatients Annual  < 15 d
 96 Cardiac magnetic resonance scans/y Annual  > 650
 97 Cardiac CTs/y Annual  > 600
Catheterization unit metrics
 98 Mortality rate of primary angioplasty (without shock or cardiopulmonary arrest, < 90 y of age) Annual < 5%
 99 Mortality rate of elective angioplasty Annual < 1%
 100 Mortality rate of TAVI Annual < 5%
 101 Percentage of major vascular complications in TAVI Annual < 10%
 102 Percentage of TAVI conversions to heart surgery Annual < 1%
 103 Catheterization delay for outpatients Annual < 30 d
 104 No. of outpatient angioplasties Annual  > 100
Electrophysiology unit metrics
 105 Rate of major complications in complex procedures Annual < 5%
 106 Mortality rate in ICD, PM, and resynchronization device implantations Annual < 1%
 107 No. of patients with need for urgent PM with a delay > 24 h Annual < 1%
 108 No. of patients needing a programmed PM, ICD, or resynchronization device with a delay > 30 d Annual 0%
 109 No. of outpatient procedures (except PM replacements and cardioversions) Annual  > 200
Cardiac rehabilitation metrics
 110 No. of days between discharge for acute coronary syndrome and first visit for cardiac stress test Annual < 30 d
 111 Percentage of patients with AMI directed to the cardiac rehabilitation program Annual  > 90%

AF, atrial fibrillation; AMI, acute myocardial infarction; CMV, controlled mechanical ventilation; CT, computed tomography; HF, heart failure; ICD, implantable cardioverter-defibrillator; PM, pacemaker; pop., population; TAVI, transcatheter aortic valve implantation.

a

Percentage of circulating patients refers to patients that were admitted to > 1 service unit during the same hospitalization.

b

In this case, the 3 metrics are applied to identify the occupancy of beds intended for the treatment of heart failure used for other cardiovascular conditions.