Table 1.
Author(s) | Type of study | Population/(n) | Country | Type of medication harm | Incidence | % CV medication harm | CV medications rank against other drug classes | Outcomes |
---|---|---|---|---|---|---|---|---|
Systematic reviews and meta-analysis | ||||||||
Runciman et al. 38 | Review of multiple sources: SR, national data bases | Multiple data sources: refer to study | AU | ADR/ADE a | 2–4% of admissions; 30% in ⩾75 years | CV medications leading cause (% NR) | NR | Cost: >AUD$400 million per year Mortality: 27% of AE deaths in 1997–1998 |
Howard et al. 39 | SR of 17 POS | ⩾16 years/(n = 17 studies) | – | Preventable DRAsa,b | 1.4–15.4% of admissions (3.7% median) | 33% (CV) 16% (diuretics) of preventable DRAs |
2nd (diuretics) 6th (BB) 7th (ACE-I) 9th (positive inotropes) 12th (CCB) 14th (nitrates) |
NR |
Kongkaew et al. 36 | SR of 25 POS | All patients/(n = 25 studies, 106,586 patients) | – | ADR | 0.16–15.7% of admissions (5.3% median) | 45.7%
c
(median in all adults) 42.5% c (median in older adults) |
1st | Severity (reported by two studies): 3.3% and 38.1% of events were severe |
Al Hamid et al. 40 | SR of ROS/POS | ⩾18 years/(n = 21 ADR studies, 6 ADE studies) | – | ADR and ADE a | ADR: 1.47% median (ROS), 12% median (POS) ADE: 12.4% median (POS) |
33.9% (median) of ADRs, 42.3% (median) of ADEs | 1st | Refer to study |
Alhawassi et al. 41 | SR of ROS/POS | ⩾18 years/(n = 14 studies) | – | ADR | 10.0% of admissions (median) | CV medications leading cause (% NR) | NR | NR |
Oscanoa et al. 42 | SR and MA | ⩾60 years/(n = 42 studies) | – | ADR a | 8.7% | BB, digoxin, ACE-I and CCB were frequently identified (% NR) | NR | NR |
Literature reviews | ||||||||
Roughead et al. 43 | Review of 14 studies | All patients/(n = 14 studies, 12,676 patients combined) | AU | DRA a | 2.4–3.6% of admissions | CV medications leading cause (% NR) | NR | NR |
Wiffen et al. 44 | LR of 69 studies (54 POS, 15 ROS) | All patients/(n = 412,000) | – | ADR | 3.1% of admitted patients | Digoxin (22/69), Diuretics (15/69) identified as leading cause | NR | Cost: £380 million per year |
Angamo et al. 45 | LR of studies in developed and developing countries | ⩾15 years (n = 43 studies) | – | ADR | Developed: 6.3% (median) Developing: 5.5% (median) | CV medications identified as leading cause (% NR) | NR | Severity: Developed: 20.0% severe (median) Developing: 10.0% (median) |
Observational, cohort, and cross-sectional studies | ||||||||
Larmour et al. 46 | PCS | All patients/(n = 5623 admissions) | AU | ADR | 1.6% of admissions | 11.1% of ADRs | 1st | Mortality: 5.6% |
Stanton et al. 47 | PCS | Adult patients/(n = 691) | AU | ADR | 3.04% of admissions | 9.5% of ADRs | 4th | NR |
Nelson et al. 48 | PCS | Patients admitted to ICU or internal medicine/(n = 452) | USA | DRA a (includes ADR and DTF) | DRA: 16.2% ADR: 5.3% of patients |
13.2% (diuretics) 10.5% (CV) of patients with DRA |
2nd 5th |
NR |
Jha et al. 49 | PCS | All patients/(n = 3238 admissions) | USA | ADE a | 2.3% of admissions | 12% of ADEs | 2nd | Cost: $6.3 million per year for all ADEs Severity: 78% severe |
Burgess et al. 50 | Retrospective secondary data analysis of case series | >60 years/(n = 43,380) | AU | ADR | 0.8% of all admissions for all age-groups | 17.5% of patients >60 years with ADRs | 1st | NR |
Passarelli et al. 51 | PCS | ⩾60 years admitted to internal medicine/(n = 186) | Brazil | ADR | 11.3% of patients | 22.7% (digoxin) of ADRs causing admission | 1st | LOS: increased (p < 0.001) |
Budnitz et al. 52 | PCS | All patients/(n = estimated 701,547 cases) | USA | ADE a | NR | 7.6% of ADE hospitalisations | 5th | NR |
Ducharme et al. 53 | Retrospective analysis of preventability data | ADR data collected over three years at a teaching hospital/(n = 475 ADRs) | USA | pADR | 126 pADRs (% NR) | 11.9% | 4th | NR |
Edwards et al. 54 | PCS | Patients ⩾17 years/(n = 62,064 admissions) | USA | ADE a | 2.4% of admissions | 28% of ADEs | 2nd | Mortality: 3.2% |
Ocampo et al. 55 | CSS | Patients ⩾60 years/(n = 400) | Columbia | ADE and ADR | 6.8% | % NR | 3rd | NR |
Ventura et al. 56 | PCS | All patients/(n = 56,031) | Italy | ADR | 21.2% | % NR | 3rd | NR |
Budnitz et al. 6 | RCS | ⩾65 years/(n = estimated 99,628 cases) | USA | ADE | NR | 9.8% of ADE hospitalisations | 3rd | NR |
Conforti et al. 57 | PCS | Patients ⩾65 years/(n = 1023) | Italy | ADR | 11.1% of patients | 46.2% of ADRs | 1st | LOS: increased (no p value reported) |
Marcum et al. 58 | RCS | ⩾65 years veterans/(n = 6778) | USA | ADR a | 10% of patients | CV medications identified as leading cause (% NR) | NR | NR |
McLachlan et al. 59 | PCS | All general medical patients/(n = 336) | New Zealand | ADE | 28.6% of admissions | 23% (vasodilators), 16% (diuretics), 11% (chronotropes) | 1st (vasodilators), 3rd (diuretics), 4th (chronotropes) | NR |
Phillips et al. 60 | PCS | All patients/(n = 370) | AU | ADEa,d | 16% of patients (34.7% were ADRs) | 31.5% of ADEs | 3rd (ACE-I) 5th (BB) 6th (diuretics) 8th (CCB) |
Severity: 34.7% of ADEs were severe |
Gustafsson et al. 37 | RCS | ⩾65 years with cognitive impairment/(n = 458) | Sweden | DRPa,e | DRP: 41.3% ADR: 18.8% of admissions |
29.5% of DRPs (% of ADRs NR) | 1st | NR |
de Almeida et al. 61 | RCS | Adult patients/(n = 866) | Brazil | ADR | 2.3% | 14.3% of ADRs | 2nd | Cost: $5698.84 per ADR hospitalisation |
Paradissis et al. 22 | PCS | ⩾65 years admitted to internal medicine/ (n = 164) | AU | ADE a | 15.2% of patients | 50% of ADEs | 1st | LOS: increased (p = 0.043) |
Parameswaran et al. 62 | Prospective, CSS | ⩾65 years admitted to hospital/(n = 1008) | AU | ADR | 18.9% of admissions | 23.9% of ADRs (diuretics) 16.4% (ACE-I/ARB) 7.1% (BB) |
1st 2nd 3rd |
Preventable: 87.2% of ADRs Mortality: 2.1% Severity: 2.1% |
Poudel et al. 63 | Descriptive RCS | All patients/(n = weighted estimate 150 259 899 hospitalisations) | USA | ADE a | 5.97–6.28% of hospitalisations | 13.24% of ADEs (combined) | 8th (diuretics) 11th (anti-HTN) 15th (cardiac glycosides) 17th (anti-arrhythmics) 18th (BB) 21st (antihyperlipidaemic) |
LOS: increased for ADE hospitalisations (p < 0.001) Cost: increased (p < 0.001) Mortality: increased (p < 0.001) |
Ognibene et al. 64 | RCS | ⩾65 years admitted to internal medicine/(n = 1750) | Italy | ADR f | 6.1% of admissions | 17.6% (Diuretics) | 1st | Mortality: 10.4% of ADRs Severity: 27.4% with residual disability |
Schurig et al. 65 | PCS | All patients presenting to emergency/(n = 10,174) | Germany | ADR a | 6.5% of admissions | ~19% (BB) ~17% (ACE-I) |
2nd 3rd |
NR |
Mullan et al. 66 | RCS | ⩾65 years with and without dementia/(n = 228,165 admissions) | AU | MMa,g | 4.6% of admissions | With dementia: 3.9% of MM (anti-HTN) 3.4% (BB) 2.5% (ACE-I) Without dementia: 4.7% (anti-HTN) 4.1% (BB) 2.6% (cardiac glycosides) 2.1% (diuretics) 2.0% (ACE-I) |
With dementia: 4th 5th 8th Without dementia: 5th 6th 7th 8th 10th |
NR |
Zhang et al. 67 | Population based RCS | All patients/(n = 315,274 ADR admissions) | AU | ADR | 432.3 per 100,000 residents | 4.8% of ADRs (anti-HTN) 3.9% (BB) 2.9% (cardiac stimulant) |
4th 7th 9th |
NR |
Smeaton et al. 68 | PCS | Patients aged between 45–64 years/(n = 100) | Ireland | ADR | 21% | 52.2% of ADRs | 1st | Preventable: 52.2% of ADRs |
Includes medication errors.
Includes ADRs, overtreatment, under-treatment and adherence problems.
Definition for CV medications incorporated antithrombotics and anticoagulants.
Includes non-compliance, untreated indications, improper drug selection, sub/supratherapeutic dose, ADRs, drug interactions and drug use without indication.
Includes ADR, dosage too high, dosage too low, ineffective drug, needs additional drug therapy, unnecessary drug therapy and noncompliance.
Includes drug–drug interactions.
Includes ADR, ADEs and medication errors.
ACE-I, angiotensin-converting enzyme inhibitor; ADE, adverse drug event; ADR, adverse drug reaction; AE, adverse events; anti-HTN, antihypertensives; ARB, angiotensin receptor blocker; AU, Australia; AUD, Australian dollars; BB, beta-blockers; CCB, calcium channel blocker; CCS, case-control study; CSS, cross-sectional study/survey; CV, cardiovascular; DRA, drug-related admission; DRP, drug-related problem; DTF, drug therapeutic failure; ICU, intensive care unit; LOS, length of stay; LR, literature review; MA, meta-analysis; MM, medication misadventure; NR, not reported; OS, observational study; pADE, preventable adverse drug event; PCS, prospective cohort study; POS, prospective observational study (includes CCS/PCS); RCS, retrospective cohort study; ROS, retrospective observational study (includes CCS/RCS); SR, systematic review; USA, United States of America.