screening

A Preseason Check-up (Specifically for Men)

February 5, 2018 By Larry Creswell, MD 1 Comment

This is the time of year I get inquiries about pre-season medical check-up’s. I’ve written previously on this subject, including how to find a doctor in your area. I’m frequently asked, though, exactly what type of check-up is needed. Here’s my take.

Today, let me focus specifically on adult male recreational athletes. I’ll deal specifically with women in a follow-up post.

First, in terms of screening adult recreational athletes for sports-related heart risks, adult men are the group where we might expect to get the most “bang for our buck.” We know that men account for the vast majority of victims of sports-related sudden cardiac death, not only in large populations involving all types of sports, but also in very specific sports such as long-distance running and triathlon. There’s a very real reason to be looking for hidden heart disease in male athletes.

Second, in contrast to women, “healthy” men in their 20’s, 30’s, 40’s, and even 50’s are unlikely to make periodic visits to the doctor (except for injury) and very often do not have a current primary care provider (PCP). It may have been years—perhaps back to high school or college—that many men last had a complete physical exam in some context other than for a musculoskeletal injury, which typically requires a rather narrow focus. As a result, there’s often been little opportunity for discussion between adult male recreational athletes and a healthcare provider about any heart risks associated with sports participation.

Let me share how I would approach a pre-season check-up for an adult male recreational athlete who does not already have a PCP….

Although I’m a heart specialist, here I would need to put on my generalist hat to make the most of the encounter.

I would have 3 goals:

Identify any cardiovascular conditions that required further evaluation or treatment as well as any risk factors for future heart disease that could (and should) be modified;
Make an assessment of the patient’s cardiovascular risks of exercise in order to offer appropriate advice about safe forms of exercise; and
Identify any non-cardiovascular conditions that required follow-up with another doctor.

Before the Office Visit

One of the most important parts of a check-up is sharing what we call the “medical history,” an accounting of everything medically-related that’s already happened to a patient. This would include:

Past medical history (childhood illnesses, adult illnesses, surgical or other procedures)
Immunizations
Injuries
Medications and supplements
Allergies
Family history (illnesses that run in the family)
Personal and social history (smoking, drinking, sexual activity and habits, substance use/abuse, work history, travel history)
Review of symptoms (yes/no answers to a long list of questions about current symptoms).

In addition, I would also want to collect information about insurance coverage, the names and contact information for any other current and previous medical providers, and an outline of an athlete’s current exercise habits.

Depending upon the complexity of a patient’s situation, gathering all of this information could be rather time-consuming. So, in order to make the most of our available face-to-face time at the upcoming office visit, I find it helpful to collect as much of this information as possible well ahead of the office visit. I like to use 2 forms:

A general purpose medical history form such as the Health Care Consumer Questionnaire.
American Academy of Family Physicians Preparticipation Physical Evaluation forms. These forms are used ordinarily for secondary school-based screening programs, but I am fond of the first page of the History Form, which asks a series of questions (#5 through #16) related specifically to heart risk. I ask patients to complete items #1 through #51 on the first page and to discard the other pages.

When I’ve received these completed forms, I would review them and consider the possible need to gather additional information ahead of the office visit such as:

records from other physicians or hospitals
results from any heart-related diagnostic tests that may already have been completed (eg, ECG, chest x-ray, echocardiogram, Holter monitor, stress test, laboratory tests, pulmonary function tests, carotid Doppler studies, coronary calcium scoring CT scan).

Lastly, I would make a determination about any new diagnostic testing that may be helpful on the day of the office visit and schedule those tests, if any, for the morning of the office visit. If I think such testing will be helpful, I would have a telephone call with the patient ahead of the visit to explain the need for these tests.

At the Office Visit

I would plan for an office visit of approximately 45 to 60 minutes.

The first portion of the office visit is devoted to an interview. I generally spend half of the visit time on the interview. We often say that the medical history provides 80%+ of the clues to diagnosis.

First, I ask what motivated the patient for wanting the visit. There are many possible motivations. Next, we would have a chance to review the information that had already been provided about the patient’s medical history. I would take the time to clarify and better understand anything in the history that was specifically related to the heart. We would focus on those history items and on any symptoms related to exercise. I would finish by asking the patient if there were any additional, specific concerns that we should address at this visit.

The second portion of the office visit is devoted to a physical exam. Here, I would offer a complete, head-to-toe physical exam, but with special emphasis on the cardiovascular system. The exam would include:

Measurement of the height, weight, and vital signs (blood pressure, heart rate, respiratory rate, temperature)
Screening neurologic exam
Examination of the head, neck, ears, eyes, nose, and throat
Respiratory exam
Cardiovascular exam (heart, carotid arteries, abdominal aorta, arteries of the arms/legs)
Abdominal exam, including check for hernias
Genito-urinary exam
Rectal and prostate exam, in men older than 40 years
Examination of the skin

The third portion of the exam is devoted to a discussion, or wrap-up. Here, we would discuss my findings from the medical history and the physical exam and my assessment of the patient’s overall and heart health.

For the majority of patients–those who do not have any heart-related symptoms or any abnormal physical exam findings–we would spend some time discussing the utility of screening tests such as ECG, echocardiogram, laboratory testing (eg, fasting glucose, fasting serum lipid levels), or stress testing, along with the advantages, disadvantages, and potential costs. Together, we would decide if any of these tests would be helpful. There is a place for such screening tests, but only with thoughtful discussion first.

For other patients, we might identify some new heart-related condition–or at least the possibility of one. As examples, we might find that the blood pressure is elevated or note the presence of a heart murmur. In this situation, we would talk about what sort of diagnostic tests might be needed to further clarify a problem and perhaps what treatment(s) would be needed for any conditions we discovered. Needless to say, there are many potentially useful tests, depending upon the patient’s circumstances, so we won’t go into detail here. In the case of potential inherited disorders, we might need to consider evaluating other family members as well.

In either situation, if additional testing were needed we would make a plan for getting those tests completed. We would also plan for how I would share those results with the patient (eg, by telephone or during a follow-up visit). I would ordinarily make plans to visit with the patient again to discuss the results of any important testing and to resume with our wrap-up once all of the important information was at hand. If more specialized heart care were needed, I would discuss referral to the appropriate specialist (eg, general cardiologist, electrophysiologist, interventional cardiologist, specialist in congenital heart disease) and, in some cases, I would turn over the patient’s care to that specialist.

Next, we would discuss how the patient’s overall and heart health related to his/her plans for exercise and sports participation. Together, we would settle on a list of activities that would be “safe” and, likewise, settle on a list of any activities that should be avoided. We would talk about potential warning signs of heart troubles and how to be vigilant for these. If the patient required a “doctor’s letter” or some sort of pre-participation form to be completed, we would go over that form together and review its requirements. I often complete such letters or forms and return them to the patient by mail sometime after the visit.

We would then make an inventory of any other medical problems (that were not heart-related) that needed follow-up and work together to settle on an appropriate action plan. Examples of such medical problems could include: colon cancer screening in men older than 50 years, that would require a gastroenterologist visit; eyesight troubles that might best be evaluated by an ophthalmologist; periodic screening for sexually transmitted illnesses, which might best be accomplished by a primary care physician; dental care which would best be provided by a dentist; and depression, that might best be evaluated by a psychiatrist. The list of possibilities is virtually endless; this is why there can be tremendous value in having a PCP.

Before we finish the wrap-up, I would take time to have a discussion about any questions or concerns the patient brought. I usually suggest that patients bring a written set of questions that we can answer these one by one.

Finally, I would make a recommendation about when the patient should next be seen for another check-up. For “healthy” patients–those without chronic medical conditions that require monitoring–I generally suggest a check-up every 3 years for men <40 years old, every 2 years for those 40-50 years old, and every year thereafter.

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Updated 2015 ACC/AHA Guidelines on Competitive Athletes with Cardiovascular Abnormalities

December 9, 2015 By Larry Creswell, MD 1 Comment

The American College of Cardiology (ACC) and American Heart Association (AHA) have recently released a Scientific Statement on “Eligibility and Disqualification Recommendations for Competitive Athletes with Cardiovascular Abnormalities: Preamble, Principles, and General Considerations.” This 2015 edition is an update for the previous guidelines that were published as Proceedings from the 36th Bethesda Conference in 2005.

The new Guidelines were assembled by a large group of experts who were organized into 15 task forces. Each of these task forces considered the current scientific evidence, graded the evidence, and reached consensus conclusions about recommendations that could be supported. As such, this collection of recommendations represents the best available consensus expert opinion today in the United States.

It’s important to know that there is also a similar set of guidelines developed by the cardiology community in Europe. There are differences between the ACC/AHA and European recommendations that often stem from legitimate differences of opinion.

It is also important to remember that the new ACC/AHA guidelines are targeted toward the young “competitive athlete.” The authors define such an athlete as one “who participates in an organized team or individual sport that requires regular competition against others as a central component, places a high premium on excellence and achievement, and requires some form of systematic (and usually intense) training.” As such, these guidelines are targeted primarily at student athletes of high school and college age (up through 25 years). That said, the various recommendations may well be applicable to other athletes, including: young but non-competitive athletes; older competitive athletes; and adult recreational athletes or exercisers. Particular judgment must be used by physicians and athletes when extending the recommendations beyond the intended target population.

The new guidelines are some 115 pages long. It’s not my intention to summarize things succinctly here in a blog post, but I thought it would be useful to point out what’s new….and what caught my attention in each of the 15 sections….

Task Force 1: Classification of Sport–Dynamic, Static, and Impact

There is now a refinement of the former categorization of sports according to their “static” and “dynamic” components. A new summary chart still uses the former I-II-III (static) and A-B-C (dynamic) scheme, but recognizes that there is actually a continuum along each axis. In addition, a new table provides a useful categorization of sports according to their risk of impact, both at the junior high school and high school/college levels. New recommendations for athletes taking various forms of anticoagulant medications caution against activities where impact injuries may be expected.

Task Force 2: Preparticipation Screening

Preparticipation screening is widely applied in the United States for school-based athletic programs. Controversy remains, though, about the effectiveness of history and physical examination alone for identifying serious cardiovascular abnormalities. This Task Force continues to endorse the AHA 14-point screening guidelines or those of the American Academy of Pediatrics Preparticipation Physical Examination, suggesting particular value in standardization of questionnaire forms used. The new guidelines suggest that the use of ECG in addition to history and physical examination may be appropriate in “relatively small cohorts” of young athletes, where physician expertise is available for counseling and follow-up of test results. Mandatory screening with ECG is not recommended in young athletes or non-athletes.

Task Force 3: Hypertrophic Cardiomyopathy (HCM), Arrhythmogenic Right Venricular Cardiomyopathy (ARVC), and Other Cardiomyopathies

The Task Force recognizes the heterogeneity of disease among athletes with hypertrophic cardiomyopathy (HCM) and advises that judgment is needed in the application of the recommendations in specific situations. New from 2005, the guidelines now recognize that athletes with genotype-positive, phenotype-negative HCM (ie, carrying a gene but no overt manifestation[s] of the disease [yet]), and particularly if there is no family history of HCM-related sudden cardiac death, may participate in athletics. The new guidelines advise against the use of pharmacologic agents or an implantable cardioverter-defibrillator (ICD) solely to facilitate participation in sports. There are no major changes in the recommendations regarding ARVC, other cardiomyopathies, myocarditis, or pericarditis.

Task Force 4: Congenital Heart Disease

There is a very long list of conditions that, together, constitute “congenital heart disease.” These are inherited conditions that usually manifest during childhood, but sometimes these conditions may remain unrecognized until adulthood. Exercise prescriptions are very specific to the particular condition, but the Task Force recognizes that many athletes with “corrected” congenital heart disease may participate fully. Compared with 2005, the new recommendations remain similar or unchanged for: atrial septal defect (ASD), ventricular septal defect (VSD), patent ductus arteriosus (PDA), pulmonary valve stenosis, aortic valve stenosis, coarctation of the aorta, elevated pulmonary vascular resistance (PVR), ventricular dysfunction after surgery for congenital heart disease, cyanotic heart disease including Tetralogy of Fallot, and Ebstein’s anomaly. The new guidelines now provide greater detail in the recommendations for patients with transposition of the great arteries (TGA) treated by either atrial switch (eg, Mustard procedure, Senning procedure) or by more contemporary arterial switch operations. In the area of coronary artery anomalies, additional evidence and experience now allows for recommendations for various subsets of patients, including those who have had surgical correction.

Task Force 5: Valvular Heart Disease

The 4 most common valve problems are aortic stenosis (AS), aortic regurgitation (AR), mitral stenosis (MS), and mitral regurgitation (MR). In many respects, the new guidelines parallel the former guidelines. The new guidelines specifically recommend that athletes with these conditions, even if mild, should be evaluated yearly to determine whether sports participation can continue safely. A new recommendation is offered for athletes with severe AR and normal left ventricular dimensions and function; it may be reasonable for these athletes to participate fully if they have normal exercise tolerance and echocardiography shows no progression of ventricular size or dysfunction. MS is probably the least common of these valve conditions. The new recommendations suggest that exercise testing to the anticipated level of sports activity may be useful in patients with MS to ensure that no symptoms develop. The recommendations specifically recommend only low-intensity activities for those with severe MS, but most of these individuals would probably best be treated with valve repair or replacement. Exercise testing is also recommended for asymptomatic patients with MR, again to the anticipated level of sports activity.

For those patients who have undergone operative procedures for valve repair or replacement, the guidelines make the important point that decisions about future participation in sports activities be made together, by both athlete and physician(s).

Task Force 6: Hypertension

The new guidelines recommend that athletes with sustained hypertension undergo screening echocardiography. For those with left ventricular hypertrophy (LVH) beyond what might be expected from “athlete’s heart,” activities should be curtailed until the hypertension is controlled. The guidelines also remind athletes and treating physicians that some medications used for the treatment of hypertension (eg, beta-blockers, diuretics) are considered banned substances by some sports governing bodies. Athletes should be aware that a therapeutic use exemption (TUE) may be required for participation, both outside and during competition.

Task Force 7: Aortic Diseases, including Marfan Syndrome

There was a separate Task Force that reported on the collection of aortic diseases in the new guidelines. In the previous version of the guidelines, these conditions were parceled out among the other task forces. The new organization is helpful because all of the pertinent recommendations can easily be found in one place. Particular mention is made of the importance that aortic size (eg, diameter) be considered in the context of the athlete’s size (eg, age, gender, body surface area). In many circumstances, use of a z-score–the number of standard deviations above/below the mean for a size- or age-specific population–may be more appropriate than absolute measurements alone.

Athletes with Marfan syndrome or any of the other connective tissue disorders that affect the aorta (eg, Loeys-Dietz syndrome, Ehlers-Danlos syndrome, familial thoracic aortic aneurysm and dissection [TAAD] syndrome) should receive frequent reevaluation with echocardiogram, computed tomography (CT), and/or magnetic resonance imaging (MRI). The recommendations regarding safe levels of activity parallel the previous guidelines.

For athletes with bicuspid aortic valve (BAV), the new guidelines focus on z-scores to define the degree of aortic enlargement: not enlarged, z-score < 2; mild enlargement, z-score 2 to 2.5; moderate enlargement, z-score 2.5 to 3.5; severe enlargement, z-score >3.5. Athletes with mild enlargement of the aorta should be confined to low-and moderate-intensity static and dynamic sports that do not have a likelihood of bodily injury. In this group, intense weight training should be avoided. Athletes with moderate enlargement of the aorta should participate in only low-intensity sports that do not have a likelihood of bodily injury. And finally, those with a severely enlarged aorta should not participate in competitive sports.

Task Force 8: Coronary Artery Disease

We think of coronary artery disease (CAD) as a disease of older individuals, but there are sometimes young athletes with acquired diseases of the coronary arteries.

One important aspect of the new guidelines in the area of coronary artery disease is the recommendation that athletes should participate in decisions about safe exercise with their physician(s), taking into consideration the health and psychological benefits of exercise as well as any potential risks. The new guidelines are explicit that asymptomatic athletes with known CAD but with normal LV function and no inducible problems with stress testing should be able to participate fully in their sports. For those who have had myocardial infarction (MI) or coronary revascularization procedure (eg, coronary artery bypass grafting [CABG] or coronary stenting), participation in sports activities should be curtailed for a period of 3 months.

A new section is devoted to the problem of spontaneous coronary artery dissection, a condition where a tear develops in the inner wall of the coronary artery itself, without warning and seemingly without explanation. The new guidelines recognize that there is not yet sufficient experience and evidence with this problem to formulate specific recommendations, but that it may be reasonable to restrict affected athletes from high-intensity sports.

Also new in these guidelines is a section devoted to heart transplant recipients. The guidelines recognize that for many such patients, participation in sports activities can be safe, especially if there is annual stress testing designed to demonstrate the safety of exercise up to the level of exertion that is anticipated during sports activities.

Task Force 9: Arrhythmias

The section on athletes with arrhythmias is the longest and most complicated section of the new guidelines, in part because there are many different arrhythmias to consider. This is an area where particular expertise on the part of the physician is required to make sound judgments about participation.

The recommendations suggest that athletes with permanent pacemakers can participate fully in sports if there is no limiting underlying heart condition or symptoms. Those who are pacemaker-dependent (ie, require the pacemaker continuously to generate the heartbeat) should avoid sports in which a risk of collision might result in damage to the pacemaker system. All others with a pacemaker should recognize the inherent risks of bodily injury that might also damage the pacemaker.

Atrial fibrillation (AF) deserves special mention because it is so common. For athletes with AF, the new guidelines recommend evaluation that includes thyroid function tests, queries for drug use, an ECG, and an echocardiogram. The new guidelines remind us that athletes with well-tolerated and low-risk AF may participate fully. Those who are taking anticoagulants other than aspirin alone should consider the bleeding risk in deciding which sports activities may be safe. Finally, the new guidelines recognize that catheter ablation for AF might eliminate the need for medications and should be considered in athlete patients.

The new guidelines suggest a similar evaluation for patient with atrial flutter. For this condition, catheter ablation has a high likelihood of success and should be considered.

For athletes with SVT (eg, AV nodal reentry tachycardia, AV reciprocating tachycardia, atrial tachycardia), catheter ablation should be considered.

For athletes with ventricular arrhythmias (eg, premature ventricular contractions [PVC’s], non-sustained ventricular tachycardia [VT], sustained VT, or ventricular fibrillation), careful evaluation for underlying structural heart disease. The algorithms for determining safe levels of exercise are complex and athletes should seek expert guidance.

The new guidelines have a new section on syncope, the problem of blacking out unexpectedly. Athletes with exercise-induced syncope should be excluded from sports activities until a full evaluation is completed. Cardiac causes of syncope can sometimes be life-threatening. If the cause of syncope is determined to be neurally mediated, athletes can resume all sports activities once treatment measures are shown to be effective. If no cause for the syncope can be determined, athletes should not participate in sports activities in which a transient loss of consciousness might result in serious bodily injury.

The final new section relates to athletes who have an implanted internal cardioverter-defibrillator (ICD). The guidelines recommend that the indications for ICD implantation be no different for athletes and non-athletes. In particular, an ICD should not be implanted solely to allow participation in sports. For athletes with an ICD who have no episodes of ventricular arrhythmias that necessitate device defibrillation for a period of 3 months, participation in low-intensity sports activities may be reasonable. Decisions about participation in sports activities with higher degrees of intensity, though, should consider the possibilities of greater likelihood of inappropriate shocks or device dislodgement with contact sports.

Task Force 10: Cardiac Channelopathies

The new guidelines include the recommendations from a new Task Force devoted to the cardiac channelopathies. These disorders are typically characterized by a structurally normal heart but a predisposition to develop syncope, seizures, or cardiac arrest from VT or VF. At a cellular level, these disorders are caused by abnormalities in various ion channels in cardiac muscle cells that ordinarily permit the coordinated ebb and flow of charged ions with each heartbeat. Approximately 1 per 1,000 individuals is affected by such conditions. The most common types are long QT syndrome (LQTS), catecholaminergic polymorphic ventricular tachycardia (CPVT), Brugada syndrome (BrS), early repolarization syndrome, short QT syndrome, and possibly idiopathic VF.

Historically, athletes with any channelopathy have been restricted from sports activities of all types because of the potential risk of sudden death. Since the 2005 guidelines, though, much has been learned about the genetics, clinical manifestations, and course of these disorders. It is now thought that some affected athletes may participate safely in sports activities. The key, though, is careful evaluation by a cardiologist who specializes in heart rhythm disorders or by a genetic cardiologist.

Task Force 11: Drugs and Performance Enhancing Substances

Not surprisingly, the guidelines contain the recommendation that athletes meet their nutritional needs through a healthy, balanced diet without dietary supplements. The guidelines further recommend that the use of performance-enhancing drugs (PEDs) and supplements be prohibited by schools, universities, and other sponsoring organizations as a condition for participation. The guidelines suggest the use of the principle of “unreasonable risk” (the potential for risk in the absence of defined benefit) as the standard for banning or recommending avoidance of substances being evaluated for use by athletes.

Importantly, the guidelines recommend that athletes receive formal education about the potential risks of PEDs and supplements, including the specific risks of sudden death and acute myocardial infarction.

Task Force 12: Emergency Action Plans, CPR, AED’s

The new guidelines include the recommendation that schools and other organizations that host athletic events have an emergency action plan that includes provision of basic life support (BLS), the use of an automatic external defibrillator (AED), and activation of the emergency medical system (EMS). Coaches and athletic trainers should be trained in CPR and the use of an AED and the AED should be available within 5 minutes, if needed.

Task Force 13: Commotio Cordis

Commotio cordis is an unusual event, but t is important for coaches, athletes, and officials to be aware of this possibility and be prepared to respond to a lifeless victim. Prompt initiation of bystander CPR and early defibrillation are the keys to survival.

Task Force 14: Sickle Cell Trait

A section devoted to sickle cell trait (SCT) is included in the new guidelines. Although athletes with SCT may participate fully in their sports, the guidelines recommend strategies such as adequate rest and hydration to reduce the likelihood of an event occurring during sports participation. This risk is greatest during periods of high environmental temperature or extreme altitude.

Task Force 15: Legal Aspects

The section of the new guidelines devoted to legal aspects considers the various conflicts that may arise when the guidelines are put into practice.

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