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Follow-up research in primary prevention: a model of adjustment in acute grief.

Investigated the effects of preventive intervention that followed the life crisis of sudden death in the family. Two bereaved groups of families (one of which received preventive intervention service) and one non-bereaved group were compared in an outcome design and were assessed for indices of illness, psycho-social disturbance, and general quality of life. The results revealed that sudden death has a two-stage impact upon family survivors and that subsequent adjustment can be predicted from a knowledge of facts at the time of death. A preventive intervention service had little or no impact and may have been harmful. Discussion centered on possible intervention strategies with a focus upon the complex determinants of environmental stresses and family/individual variables.

Acute Disease↗

A population health framework for inner-city mental health.

Dealing with mental health problems in the inner city presents a major challenge to planners and service providers. Traditional mental health service-oriented interventions often prove ineffective due to the complexity of individuals' needs. This article argues that a population health framework can be used to identify critical risk and protective factors and facilitate more effective, upstream, population-based interventions for mental health problems in the inner city. A community report card is seen as a useful measure of key indicators at any point in time and of changes over time at the community or neighborhood level. A number of issues with regard to report card development are identified and discussed, as is the process of creating a report card, including key domains and the organization of findings.

City Planning↗

Targeting evaluations of youth development-oriented community partnerships.

Community-based partnerships (CBPs) focused on youth development (YD) have the potential to improve public health outcomes. These partnerships also present opportunities for the design and implementation of innovative, community-level change strategies, which ultimately may result in new capacities for positive YD. Evaluation-driven learning and improvement frameworks facilitate the achievement of these partnership-related benefits. Partnerships are complex because they embody multiple levels of intervention (eg, youth-serving programs, youth participation as partners or evaluators, network development for collaborative projects and resource sharing, YD-oriented organizational or community policy change). This inherent complexity transfers to evaluations of CBPs. This article provides resources for meeting evaluation-related challenges. It includes a framework for articulating relevant evaluation questions for YD-oriented CBPs, a summary of relevant types of evaluation studies, and practical solutions to common evaluation problems using targeted evaluation studies. Concrete examples of relevant, small-scale evaluation studies are provided throughout.

Adolescent↗

Combinations of bright light, scheduled dark, sunglasses, and melatonin to facilitate circadian entrainment to night shift work.

Various combinations of interventions were used to phase-delay circadian rhythms to correct their misalignment with night work and day sleep. Young participants (median age = 22, n = 67) participated in 5 consecutive simulated night shifts (2300 to 0700) and then slept at home (0830 to 1530) in darkened bedrooms. Participants wore sunglasses with normal or dark lenses (transmission 15% or 2%) when outside during the day. Participants took placebo or melatonin (1.8 mg sustained release) before daytime sleep. During the night shifts, participants were exposed to a moving (delaying) pattern of intermittent bright light (approximately 5000 lux, 20 min on, 40 min off, 4-5 light pulses/night) or remained in dim light (approximately 150 lux). There were 6 intervention groups ranging from the least complex (normal sunglasses) to the most complex (dark sunglasses + bright light + melatonin). The dim light melatonin onset (DLMO) was assessed before and after the night shifts (baseline and final), and 7 h was added to estimate the temperature minimum (Tmin). Participants were categorized by their amount of reentrainment based on their final Tmin: not re-entrained (Tmin before the daytime dark/sleep period), partially re-entrained (Tmin during the first half of dark/sleep), or completely re-entrained (Tmin during the second half of dark/ sleep). The sample was split into earlier participants (baseline Tmin < or = 0700, sunlight during the commute home fell after the Tmin) and later participants (baseline Tmin > 0700). The later participants were completely re-entrained regardless of intervention group, whereas the degree of re-entrainment for the earlier participants depended on the interventions. With bright light during the night shift, almost all of the earlier participants achieved complete re-entrainment, and the phase delay shift was so large that darker sunglasses and melatonin could not increase its magnitude. With only room light during the night shift, darker sunglasses helped earlier participants phase-delay more than normal sunglasses, but melatonin did not increase the phase delay. The authors recommend the combination of intermittent bright light during the night shift, sunglasses (as dark as possible) during the commute home, and a regular, early daytime dark/sleep period if the goal is complete circadian adaptation to night-shift work.

Adaptation, Physiological↗

Angioscopic evaluation of angiographically complex coronary lesions.

Coronary angioscopy (CA) provides direct visualization of the endoluminal surface of coronary vessels. The usefulness of CA during coronary angioplasty of angiographically complex lesions remains to be established. This study was designed to determine the value of CA to elucidate the underlying substrate of angiographically complex lesions. Forty-seven consecutive patients with angiographically complex lesions were studied with CA before coronary intervention. Mean age of the group was 59 +/- 9 years; six patients were women. Forty (85%) patients had unstable angina. Complex angiographic lesions included coronary occlusions (n = 23) (14 with Thrombolysis in Myocardial Infarction coronary flow grade 0 and nine with flow grade 1), lesions with intraluminal filling defects suggestive of thrombus or ulceration (n = 8), and lesions that were highly eccentric (n = 16). Items analyzed with CA included red thrombus (lining or protruding) and plaque color (yellow, white, or mixed). In all patients, CA visualized the protruding material causing the angiographic appearance. At this site CA detected red thrombus in 34 (72%) patients (14 protruding, 20 lining) and atherosclerotic plaque in 45 (96%) patients. At the site of the angiographically complex lesion, plaque was classified as predominantly yellow in 24 patients, mixed in 12, and white in nine. The incidence of thrombus on CA was higher for occluded vessels (91%) or lesions with intraluminal filling defects or ulceration (87%) than in eccentric lesions (37%) (p < 0.05). However, plaque coloration was not significantly different among these three angiographic subgroups. Initial procedural success (without stent requirement) was lower in lesions showing protruding thrombus on CA (64% vs 91 %, p < 0.05). Thus most angiographically complex lesions contain thrombus. On CA red thrombus was more frequently identified on occluded vessels and lesions with filling defects or ulceration than in eccentric lesions. Yellow or mixed plaques are common in these patients, suggesting lipid-laden plaques as the underlying pathologic substrate of angiographically complex lesions.

Aged↗

[Complex prevention of suppurative complications of long surgical procedures using microsurgical technics].

The authors have demonstrated the efficacy of complex approach to the solution of the problem of postoperative infectious complications in prolonged surgical interventions with application of microsurgical technique in orthopaedic and traumatologic patients. A reduction in the course of prophylaxis with antibiotics in this category of the patients has been substantiated. The use of metabolite therapy in the course of presurgical preparation of the patients under the control of cytochemical investigations allows to carry on the surgery with a more favourable state of the macroorganism. The use of supersonic cavitation for antibacterial treatment of the operative wounds in prolonged interventions with application of microsurgical technique has no specific contraindications. The complex of these measures has allowed to reduce the rate of suppurations after prolonged surgical interventions with application of microsurgical technique from 23.01 to 8%.

Adolescent↗

Alarm interventions for nocturnal enuresis in children.

BACKGROUND: Enuresis (bedwetting) is a socially disruptive and stressful condition which affects around 15-20% of five year olds, and up to 2% of young adults. Although there is a high rate of spontaneous remission, the social, emotional and psychological costs to the children can be great. OBJECTIVES: To assess the effects of alarm interventions on nocturnal enuresis in children, and to compare alarms with other interventions. SEARCH STRATEGY: The following electronic databases were searched: MEDLINE to June 1997; AMED; ASSIA; BIDS; BIOSIS Previews (1985-1996); CINAHL; DHSS Data; EMBASE (1974 to June 1997); PsycLIT and SIGLE. Organisations, manufacturers, researchers and health professionals concerned with enuresis were contacted for information. The reference sections of obtained studies were also checked for further trials. Date of the most recent search: July 1997. SELECTION CRITERIA: All randomised trials of alarm interventions for nocturnal enuresis in children were included in the review. Trials were eligible for inclusion if: children were randomised to alarm treatment compared with controls, other behavioural methods or drugs for nocturnal bedwetting; participants with organic causes for their bedwetting were excluded; and baseline assessments of the level of bedwetting were reported. Trials focused solely on daytime wetting were excluded. DATA COLLECTION AND ANALYSIS: Two reviewers independently assessed the quality of the eligible trials, and extracted data. MAIN RESULTS: Twenty two randomised trials met the inclusion criteria, involving 1125 children who received treatment with alarms. The quality of many of the trials was poor, and many comparisons were addressed only by single trials. Children treated with alarms were significantly more likely than untreated controls to become dry during treatment (RR for failing to achieve 14 dry nights 0.27, 95% CI 0.19 to 0.39) and failing to remain dry (RR 0.58, 95%CI 0.46 to 0.74). There was insufficient evidence to judge whether one type of alarm is better than another and whether alarms alone were as good as or better than other behavioural interventions alone or as a supplement to alarm treatment. Desmopressin or tricyclics seem as effective as alarms while on treatment. There was limited evidence to suggest that the relapse rate might be lower after stopping alarm treatment than after desmopressin (RR 0.11, 95% CI 0.02 to 0.78). REVIEWER'S CONCLUSIONS: Alarm interventions are an effective treatment for nocturnal bedwetting in children. Desmopressin and tricyclics appeared as effective while on treatment, but this effect was not sustained after treatment stopped, and alarms may be more effective in the long term. Comparisons between drug and behavioural treatments are needed, and should include relapse rates after treatment is finished.

Case-Control Studies↗

Alarm interventions for nocturnal enuresis in children.

BACKGROUND: Enuresis (bedwetting) is a socially disruptive and stressful condition which affects around 15 to 20% of five year olds, and up to 2% of young adults. OBJECTIVES: To assess the effects of alarm interventions on nocturnal enuresis in children, and to compare alarms with other interventions. SEARCH STRATEGY: We searched the Cochrane Incontinence Group specialised trials register (searched 22 November 2004) and the reference lists of relevant articles. SELECTION CRITERIA: All randomised or quasi-randomised trials of alarm interventions for nocturnal enuresis in children were included, except those focused solely on daytime wetting. Comparison interventions included no treatment, simple and complex behavioural methods, desmopressin, tricyclics, and miscellaneous other methods. DATA COLLECTION AND ANALYSIS: Two reviewers independently assessed the quality of the eligible trials, and extracted data. MAIN RESULTS: Fifty five trials met the inclusion criteria, involving 3152 children of whom 2345 used an alarm. The quality of many trials was poor, and evidence for many comparisons was inadequate. Most alarms used audio methods. Compared to no treatment, about two thirds of children became dry during alarm use (RR for failure 0.38, 95% CI 0.33 to 0.45). Nearly half who persisted with alarm use remained dry after treatment finished, compared to almost none after no treatment (RR of failure or relapse 45/81 (55%) vs 80/81 (99%), RR 0.56, 95% CI 0.46 to 0.68). There was insufficient evidence to draw conclusions about different types of alarm, or about how alarms compare to other behavioural interventions. Relapse rates were lower when overlearning was added to alarm treatment (RR 1.92, 95% CI 1.27 to 2.92) or if dry bed training was used as well (RR 2.0, 95% CI 1.25 to 3.20). Penalties for wet beds appeared to be counter-productive. Alarms using electric shocks were unacceptable to children or their parents. Although desmopressin may have a more immediate effect, alarms appear more effective by the end of a course of treatment (RR 0.71, 95% CI 0.50 to 0.99) and there was limited evidence of greater long-term success (4/22 (18%) vs 16/24 (67%), RR 0.27, 95% CI 0.11 to 0.69). Evidence about the benefit of supplementing alarm treatment with desmopressin was conflicting. Alarms were better than tricyclics during treatment (RR 0.73, 95% CI 0.61 to 0.88) and afterwards (7/12 (58%) vs 12/12 (100%), RR 0.58, 95% CI 0.36 to 0.94). AUTHORS' CONCLUSIONS: Alarm interventions are an effective treatment for nocturnal bedwetting in children. Alarms appear more effective than desmopressin or tricyclics by the end of treatment, and subsequently. Overlearning (giving extra fluids at bedtime after successfully becoming dry using an alarm), dry bed training and avoiding penalties may further reduce the relapse rate. Better quality research comparing alarms with other treatments is needed, including follow-up to determine relapse rates.

Absorbent Pads↗

Interventions related to pain.

A two-round Delphi survey was completed by pain experts to achieve consensus on 10 selected pain interventions and associated activities characteristic of each intervention. Consistently high scores were obtained by the raters for each intervention and activity, with most activities perceived as critical to the intervention. Interventions with more specific activities were rated highest by the expert judges. Expert feedback indicates the complexity of establishing a list of activities for selected interventions when dealing with pain of various types, with different causes and for different patient populations. The expert raters clearly see assessment and evaluation activities as part of the intervention strategies for each intervention. Further research is needed to validate the interventions and activities with nurse experts from varying clinical specialty areas in the practice setting.

Delphi Technique↗

Interventions to enhance medication adherence.

BACKGROUND: People who are prescribed self-administered medications typically take less than half the prescribed doses. Efforts to assist patients with adherence to medications might improve the benefits of prescribed medications, but also might increase their adverse effects. OBJECTIVES: To update a review summarizing the results of randomized controlled trials (RCTs) of interventions to help patients follow prescriptions for medications for medical problems, including mental disorders but not addictions. SEARCH STRATEGY: Computerized searches were updated to September 2004 without language restriction in MEDLINE, EMBASE, CINAHL, The Cochrane Library, International Pharmaceutical Abstracts (IPA), PsycINFO and SOCIOFILE. We also reviewed bibliographies in articles on patient adherence and articles in our personal collections, and contacted authors of original and review articles on the topic. SELECTION CRITERIA: Articles were selected if they reported an unconfounded RCT of an intervention to improve adherence with prescribed medications, measuring both medication adherence and treatment outcome, with at least 80% follow-up of each group studied and, for long-term treatments, at least six months follow-up for studies with positive initial findings. DATA COLLECTION AND ANALYSIS: Study design features, interventions and controls, and results were extracted by one reviewer and confirmed by at least one other reviewer. We extracted adherence rates and their measures of variance for all methods of measuring adherence in each study, and all outcome rates and their measures of variance for each study group, as well as levels of statistical significance for differences between study groups, consulting authors and verifying or correcting analyses as needed. MAIN RESULTS: For short-term treatments, four of nine interventions reported in eight RCTs showed an effect on both adherence and at least one clinical outcome, while one intervention reported in one RCT significantly improved patient compliance, but did not enhance the clinical outcome. For long-term treatments, 26 of 58 interventions reported in 49 RCTs were associated with improvements in adherence, but only 18 interventions led to improvement in at least one treatment outcome. Almost all of the interventions that were effective for long-term care were complex, including combinations of more convenient care, information, reminders, self-monitoring, reinforcement, counseling, family therapy, psychological therapy, crisis intervention, manual telephone follow-up, and supportive care. Even the most effective interventions did not lead to large improvements in adherence and treatment outcomes. Six studies showed that telling patients about adverse effects of treatment did not affect their adherence. AUTHORS' CONCLUSIONS: Improving short-term adherence is relatively successful with a variety of simple interventions. Current methods of improving adherence for chronic health problems are mostly complex and not very effective, so that the full benefits of treatment cannot be realized. High priority should be given to fundamental and applied research concerning innovations to assist patients to follow medication prescriptions for long-term medical disorders.

Drug Therapy↗

The systolic click-murmur syndrome: clinical recognition and management.

The midsystolic click-late systolic murmur syndrome is a complex entity with variable manifestations that involves a primary process causing myxomatous degeneration of the mitral valve leaflet(s) and subsequent systolic mitral valve leaflet prolapse. Other cardiac diseases may cause mitral valve prolapse and regurgitation associated with a midsystolic click that mimics this primary syndrome. The prolapsing mitral valve leaflet(s) syndrome occasionally may be familial. Most patients are asymptomatic but some complain of chest pain, palpitation, dyspnea or fatigue. Prolapsing mitral valve leaflet(s) can be distinguished from other causes of systolic clicks and mitral regurgitation murmurs by the characteristic movement of the clikmurmur complex in systole with various hemodynamic interventions. The clinical diagnosis usually can be confirmed by echocardiography, which demonstrates the abnormally prolapsdrome usually is minimal but can be progressive and lead to the need for prosthetic valve replacement. Most symptomatic patients can be managed medically but some require cardiac catheterization to evaluate the possibility of coexistent coronary artery disease, to assess the degree of mitral regurgitation and to evaluate other associated cardiac lesions. All patients with this syndrome should receive antibiotic prophylaxis prior to any surgical or dental procedures. Those patients suspected of having arrhythmias should be evaluated by continuous ambulatory ECG monitoring and dangerous arrhythmias probably should be treated. The prognosis usually is excellent, but sudden death and rapidly progressive mitral regurgitation due to ruptured chordae tendineae have been reported. Although more than a decade has elapsed since the midsystolic click-late systolic murmur syndrome was first recognized, much remains to be learned about this common but complex clinical entity.

Adolescent↗

Warm autoimmune hemolytic anemia is an IgM-IgG immune complex disease.

Warm autoimmune hemolytic anemia (WAIHA) is characterized by polyclonal IgG autoantibodies binding to red blood cells (RBC). The characterization of the autoantigen in WAIHA has not yet led to definitive results, and the etiology of RBC autoantibodies remains unclear. An altered control of self-reactive IgG by autologous IgM has been proposed as the underlying mechanism of disease in WAIHA, suggesting that IgM-IgG immune complexes contribute to the pathophysiology of the disease. In the present study, we purified and characterized IgM from plasma of WAIHA patients and from healthy controls using FPLC-based protocols and optical biosensor technology, and investigated IgG present within the IgM fractions. We provide evidence that IgM-IgG immune complexes in plasma and associated with the RBC membrane are the characteristic feature of WAIHA, independent of the etiology of the disease. IgM-IgG immune complexes of WAIHA patients differ from IgM-IgG immune complexes of healthy individuals with regard to quantity and to structural composition. The data suggest that self-immunoglobulin is the original autoantigen underlying WAIHA. The molecular characterization of IgM-IgG immune complexes may define new targets for therapeutic intervention in WAIHA.

Adult↗

Is open surgery for partial nephrectomy an obsolete surgical procedure?

During the past few years, the indications for laparoscopic surgery in urology have extended from simple ablative procedures towards more complex reconstructive and organ-preserving interventions. Among them, transperitoneal and extraperitoneal laparoscopic partial nephrectomy have been successfully performed for both benign and malignant lesions. However, this approach raises specific problems because in contrast to other laparoscopic procedures the techniques and tools used during open surgery can not be simply transposed to laparoscopy. The absence of surface hypothermia, the lack of manual palpation, difficulties of vascular control and reconstruction of the collecting system necessitate new solutions readily adaptable to laparoscopic surgery. However, the available series comprise only a few cases, and there are differences in techniques and instrumentation in almost every operation. In these circumstances, it is too early to consider this new approach as reproducible and ready to be used elsewhere than in specialized centres. Although the feasibility and good results of partial nephrectomy for benign conditions and small exophitic tumours is now well documented, the development of new surgical tools and standardization of methodology are required for more complex cases within the scope of well conceived prospective studies.

Blood Loss, Surgical↗

[Extrapyramidal dyskinesias and their neurosurgical treatment].

The clinico-pathophysiological analysis of the main forms of extrapyramidal dyskinesias is discussed. The authors distinguish 2 main forms of hyperkinesias and dystonias which are designated conditionally phasic and tonic. Stereotaxic interventions on deeply located brain structures (ventrolateral complex of thalamic nuclei, subthalamic region, putamen, dentate nuclei of cerebellum) are substantiated anatomicofunctionally. On the basis of the results of 569 stereotaxic operations the indications and contraindications for various types of operative interventions were elaborated. The result was good in 26.7% of patients, considerable improvement occurred in 32%, mild improvement in 32.6%, no changes occurred in the condition of 5.2% of patients.

Basal Ganglia Diseases↗

The evaluation of the effectiveness of health education interventions in clinical practice: a continuing methodological challenge.

AIM: This paper examines the methodological issues arising from an evaluation of the effectiveness of a health education project undertaken to increase Hong Kong Chinese women's knowledge of the prevention of cervical cancer and the uptake of screening. BACKGROUND: The significance of health promotion to the prevention of diseases currently affecting contemporary society has become increasingly recognized. Within the context of health promotion health education continues to provide an important preventive strategy. Indeed the leading causes of mortality such as coronary heart disease and cancer lend themselves well to health education interventions. However the evaluation of the effectiveness of health education remains complex and raises some important methodological issues. DESIGN: The project used a health education intervention as the major preventive strategy and employed multiple methods of evaluation to assess its effectiveness. Outcome evaluation consisted of a confidential questionnaire administered at two points in time to measure changes in health-related behaviour and knowledge. It also included the collection of data from service providers to assess changes in the uptake of cervical cancer screening. Process evaluation involved the use of focus groups with randomly selected groups of women who had participated in the health education intervention and a diary kept by the project nurse. FINDINGS: Methodological issues identified in the evaluation of the project included the extent to which changes in health-related knowledge and behaviour could be attributed to the intervention, the sensitivity of outcome measures and challenges in developing methods of process evaluation appropriate to the target population. CONCLUSIONS: The findings highlight the complexity of designing effective evaluation strategies for health education and the need to consider these issues in the development of both process and outcome evaluation.

Attitude to Health↗

FDG-PET in children and adolescents with partial seizures: role in epilepsy surgery evaluation.

We used FDG-PET to measure interictal glucose metabolism in 16 children and adolescents (mean age 14.7 years) and complex partial seizures (CPS) (mean seizure onset age 5.0 years). Video-EEG localized the epileptic foci. Glucose metabolism was determined in 14 paired anatomic areas using a standard template. PET hypometabolism was defined as greater than 15% asymmetry. Nine of the 13 (69%) patients with a unilateral EEG focus had regional hypometabolism ipsilateral to the epileptogenic zone. Three subjects had bilateral EEG foci; all had nonfocal PET. MRI (15 patients) concurred with EEG and PET in two, and was normal in seven of nine with focal hypometabolism. One of seven patients with normal PET had a focal MRI abnormality. FDG-PET results are similar to those found in adults, but are present earlier in the natural history of CPS (9.7 vs 22.2 years duration epilepsy) than previously reported. The presence of FDG-PET hypometabolism may be associated with a poor response to drug treatment. PET can identify metabolic abnormalities associated with epileptic foci in children and adolescents and is useful in directing surgical intervention for the control of refractory complex partial epilepsy.

Adolescent↗

[Clinical results with a complex conservative treatment method in infiltrative ophthalmopathy (preliminary report)].

The present methods for the treatment of infiltrative ophthalmopathy are still unsatisfactory, some of them associated with considerable and lasting side effects. Clinical results are present in the communication, from the application of an original therapeutic complex, consisting in the parallel administration of ACTH, intravenous infusions, moderate doses cortison, diuretics and sanation via antibiotics and eventual surgical intervention of the existing focal infectious agents. The complex is applied in the course of 4 weeks. Regression of the clinical symptomatics is observed and assessed by a particular method, it reaches an average of about 50 per cent of the initial manifestations. In 45 per cent of the patients the result was assessed as very good and excellent. The subjective complaints, congestion, chemosis and edema are best and most rapidly influenced, whereas exophthalmos and the eventual ophthalmoplegic phenomena showed no essential changes. The correlations between the results obtained, accompanying the disease (Basedow disease, focal infections) and the severity of ophthalmopathy were discussed. The method was admitted to be perspective, harmless and could ensure good and lasting therapeutic results of properly and persistently applied.

Adrenocorticotropic Hormone↗

Current drug-eluting stents in complex patients and lesions.

Drug-eluting stents (DES) are playing an increasingly important role in the treatment of coronary artery disease. These new devices work by releasing controlled amounts of pharmacological agents with anti-restenosis properties at the implantation site. Most of them use polymer coating as a drug carrier, but concerns about long-term negative effects of a permanent polymer coating have stimulated the development of non-polymer DES or DES based on bioabsorbable polymers. Several randomized studies with DES have demonstrated their superiority over bare metal stents mostly in selected patients and lesion subsets. Accumulating evidence is showing significant differences in performance between currently used DES. These differences are more pronounced in complex, high-risk subsets of patients and lesions and should be considered during the process of DES selection for the individual patient. Interventional cardiologists have learned that patients who receive DES require a more prolonged antiplatelet therapy, but the optimal length and regimen are still unclear and further investigations are needed. Major advances in interventional cardiology have caused a dramatic shift away from aorto-coronary bypass surgery and an increase in the complexity of percutaneous coronary interventions. Observational and specifically designed randomized studies are currently addressing the issue of the role of DES in complex situations including in-stent restenosis, ostial and bifurcation lesions, chronic occlusions, small vessels, long lesions, saphenous vein grafts, multivessel disease, left main disease, acute myocardial infarction and diabetes mellitus. Although definitive answers are still to come from ongoing research, available data support the use of DES in most of these situations.

Angioplasty, Balloon, Coronary↗