Dr. Allgeier studies various heart-related conditions, notably atrial fibrillation (a type of irregular heartbeat) and atrial cardiomyopathy (a chronic condition affecting the heart muscle). His research involves and improves diagnostic techniques, treatment outcomes, and approaches to managing heart disease. Additionally, he investigates how well chiropractic programs integrate important trauma-informed care principles, ensuring better training for chiropractors who treat patients dealing with trauma and chronic pain.
Key findings
In his study of 128 patients, certain heart function measurements were identified as key indicators for the risk of developing blood clots, with a global longitudinal strain below 17.45% indicating a high risk.
In a research involving 39 patients, 59% were found to have atrial cardiomyopathy, and an atrial conduction time below 148 milliseconds was accurate in predicting lower chances of arrhythmia recurrence, showing 82.4% recurrence risk compared to 45.5% for those with higher values.
After normalizing the rhythm in 50 heart failure patients, average heart function improved from an ejection fraction of 30% to 53% within 40 days, significantly reducing the need for implantable defibrillators from 76% to 11%.
In assessing 3,483 echocardiograms, 69% of patients were classified as severely narrowed aortic valves using valve area, highlighting inconsistencies in diagnosis, which could impact treatment decisions.
His study of 723 patients post-transcatheter aortic valve implantation found the one-year mortality rate connected to paravalvular leakage severity: 11.5% for no/trace leaks, 18.0% for mild leaks, and 23.1% for more than mild leaks.
Frequently asked questions
Does Dr. Allgeier study atrial fibrillation?
Yes, Dr. Allgeier focuses on atrial fibrillation and its related conditions, researching diagnosis and treatment methods.
What treatments has Dr. Allgeier researched?
He has researched various treatments for heart conditions, including techniques like cryoballoon ablation and the impact of restoring normal heart rhythm on heart function.
Is Dr. Allgeier's work relevant to patients with chronic pain?
Yes, he studies trauma-informed care in chiropractic education, which is highly relevant for patients with chronic pain and trauma.
What is atrial cardiomyopathy and why is it important?
Atrial cardiomyopathy is a condition affecting the heart muscle linked to serious complications like blood clots; understanding it helps improve patient care.
How does Dr. Allgeier's research improve patient care?
His findings enhance diagnostic accuracy and treatment strategies, helping doctors better manage heart conditions and improve patient outcomes.
Publications in plain English
An exploration of trauma-informed care curricula in chiropractic programs: A scoping document analysis protocol.
2025
PloS one
Bensel VA, Cupler Z, Poppen O, Joyce J, Allgeier M +4 more
Plain English This study looked at how well trauma-informed care (TIC) is included in chiropractic education programs in the U.S. and Canada. The researchers checked various educational documents from accredited chiropractic schools to see if they taught important TIC principles like safety and trust. They found that understanding and implementing TIC in these programs is crucial because many patients seeking chiropractic care are dealing with trauma and chronic pain.
Who this helps: This helps patients with trauma and chronic pain by ensuring chiropractors are better trained to provide sensitive care.
Echocardiographic and Electrocardiographic Determinants of Atrial Cardiomyopathy Identify Patients with Atrial Fibrillation at Risk for Left Atrial Thrombogenesis.
2022
Journal of clinical medicine
Huang T, Patrick S, Mayer LK, Müller-Edenborn B, Eichenlaub M +11 more
Plain English This study looked at a heart condition called atrial cardiomyopathy (ACM), which is linked to atrial fibrillation (AF) and the risk of blood clots in the heart. Researchers examined 128 patients and discovered that certain measurements of heart function could determine if a patient was at risk of developing dangerous clots. They found that a global longitudinal strain measurement below 17.45% and an amplified p-wave duration over 165 milliseconds were key indicators, with these thresholds showing high accuracy in identifying at-risk patients.
Who this helps: Patients with atrial fibrillation who are at risk for blood clots.
Echocardiographic diagnosis of atrial cardiomyopathy allows outcome prediction following pulmonary vein isolation.
2021
Clinical research in cardiology : official journal of the German Cardiac Society
Eichenlaub M, Mueller-Edenborn B, Minners J, Allgeier M, Lehrmann H +6 more
Plain English This study looked at how well certain heart imaging tests can identify a condition known as atrial cardiomyopathy (ACM) and predict outcomes for patients undergoing a procedure called pulmonary vein isolation (PVI) for atrial fibrillation (AF). Researchers found that a left atrial emptying fraction (LA-EF) below 34% and a left atrial longitudinal strain (LAS) below 23.5% were effective at diagnosing ACM, with almost 76% of patients diagnosed correctly during testing. Additionally, patients diagnosed with ACM had a significantly higher chance of experiencing arrhythmia again within a year after the procedure (56% compared to 29% in those without ACM).
Who this helps: This benefits patients with atrial fibrillation and their doctors, allowing for better prediction of treatment outcomes.
Left Atrial Hypertension, Electrical Conduction Slowing, and Mechanical Dysfunction - The Pathophysiological Triad in Atrial Fibrillation-Associated Atrial Cardiomyopathy.
2021
Frontiers in physiology
Eichenlaub M, Mueller-Edenborn B, Minners J, Jander N, Allgeier M +7 more
Plain English This study examined how pressure in the left atrium (a part of the heart), electrical signals, and the ability of the heart to pump blood relate to a condition called atrial cardiomyopathy (ACM) in patients with atrial fibrillation (AF). The researchers found that 50% of the 50 patients studied had ACM, and those with ACM had higher left atrial pressure (17.6 mmHg vs. 11.3 mmHg), slower electrical activity, and poorer heart function compared to those without ACM. These findings are important because they indicate that patients with ACM are more likely to experience a return of arrhythmia after treatment, helping doctors identify who may be at greater risk after undergoing a common heart procedure.
Who this helps: This helps patients with atrial fibrillation and their doctors in managing treatment plans.
Non-invasive body surface electrocardiographic imaging for diagnosis of atrial cardiomyopathy.
2021
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology
Eichenlaub M, Mueller-Edenborn B, Lehrmann H, Minners J, Nairn D +12 more
Plain English This study looked at a new, non-invasive method for diagnosing atrial cardiomyopathy (ACM) in patients with persistent atrial fibrillation who were about to undergo a specific heart procedure. Researchers found that 59% of the 39 patients had ACM, and a measurement called total atrial conduction time (TACT) of 148 milliseconds could accurately identify ACM with over 91% accuracy. Those with a TACT below 148 milliseconds had a significantly lower chance of experiencing arrhythmia recurrence (82.4%) compared to those with higher TACT (45.5%) within a year of follow-up.
Who this helps: This benefits patients with atrial fibrillation and their doctors by providing an easier way to diagnose a condition that increases the risk of heart complications.
Rapid improvement in left ventricular function after sinus rhythm restoration in patients with idiopathic cardiomyopathy and atrial fibrillation.
2019
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology
Müller-Edenborn B, Minners J, Allgeier J, Burkhardt T, Lehrmann H +7 more
Plain English This study looked at 50 patients with heart failure and irregular heartbeats (atrial fibrillation) to see if restoring a normal heart rhythm could improve their heart function. The researchers found that after restoring sinus rhythm, the patients' heart function improved significantly from an average ejection fraction of 30% to 53% after 40 days, which is a crucial measure of heart health. This improvement also meant that fewer patients needed implantable defibrillators for safety, dropping from 76% to just 11%.
Who this helps: This benefits patients with heart failure and atrial fibrillation, as well as their doctors managing their treatment.
Hemodynamic classification of paravalvular leakage after transcatheter aortic valve implantation compared with angiographic or echocardiographic classification for prediction of 1-year mortality.
2018
Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions
Schoechlin S, Brennemann T, Allali A, Ruile P, Jander N +5 more
Plain English This study examined how different methods of measuring paravalvular leakage (PVL) after a heart valve procedure (TAVI) can predict whether patients will survive for at least a year. Researchers looked at data from 723 patients and found that while echocardiographic assessment showed a clear connection between the severity of PVL and one-year mortality rates (11.5% for no/trace PVL, 18.0% for mild PVL, and 23.1% for more than mild PVL), the other measures did not. This is important because better predictions of survival can help doctors manage patient care following the TAVI procedure.
Who this helps: This helps patients and doctors by providing clearer guidelines for assessing risks after heart valve procedures.
Pressure-guided cryoballoon isolation of the pulmonary veins for the treatment of paroxysmal atrial fibrillation.
2010
Journal of cardiovascular electrophysiology
Siklódy CH, Minners J, Allgeier M, Allgeier HJ, Jander N +5 more
Plain English This study looked at a new way to treat a heart condition called paroxysmal atrial fibrillation using a technique called pressure-guided cryoballoon ablation. Researchers found that when the balloon blocked the blood flow in the pulmonary veins, it changed the pressure reading in a predictable way, and this happened successfully in 92% of the tested veins (47 out of 51). This is important because being able to confirm the effectiveness of the treatment through these pressure changes can make the procedure quicker and more efficient.
Who this helps: This helps patients with atrial fibrillation who need effective treatment options.
Factors affecting the chemical durability of glass used in the pharmaceutical industry.
2010
AAPS PharmSciTech
Iacocca RG, Toltl N, Allgeier M, Bustard B, Dong X +4 more
Plain English This study looked at why glass vials used for storing injectable drugs sometimes break down and create tiny glass flakes. Researchers found that the materials and conditions used to make the glass, along with the contents of the vials, played a big role in this issue. Specifically, they discovered that factors like terminal sterilization and the chemistry of both the glass and the liquid inside were crucial for preventing glass flakes, rather than just high temperatures or visible glass particles.
Who this helps: This benefits pharmaceutical companies and healthcare providers by improving drug safety for patients.
Inconsistent grading of aortic valve stenosis by current guidelines: haemodynamic studies in patients with apparently normal left ventricular function.
2010
Heart (British Cardiac Society)
Minners J, Allgeier M, Gohlke-Baerwolf C, Kienzle RP, Neumann FJ +1 more
Plain English This study looked at patients diagnosed with severe narrowing of the aortic valve, focusing on how often their condition was graded inconsistently using current guidelines. Researchers found that out of 333 patients, 85 (26%) had inconsistently low results in their heart evaluation, despite showing a normally functioning heart. This matters because it indicates that many patients may be diagnosed incorrectly, which could affect treatment decisions.
Who this helps: This helps doctors providing care to heart patients.
Cryoballoon pulmonary vein isolation guided by transesophageal echocardiography: novel aspects on an emerging ablation technique.
2009
Journal of cardiovascular electrophysiology
Siklódy CH, Minners J, Allgeier M, Allgeier HJ, Jander N +5 more
Plain English This study looked at a new method for treating atrial fibrillation, a type of irregular heartbeat, using a cryoballoon technique that relies on a special imaging tool called transesophageal echocardiography (TEE). Researchers examined 124 pulmonary veins in 30 patients and found that when TEE showed successful blockage of the veins, it accurately predicted that the treatment would also electrically isolate the veins in 98.2% of cases. This is important because after about 7 months, over 73% of patients stayed in normal heart rhythm without needing additional medication.
Who this helps: This helps patients with atrial fibrillation seeking effective treatment options.
Inconsistencies of echocardiographic criteria for the grading of aortic valve stenosis.
2008
European heart journal
Minners J, Allgeier M, Gohlke-Baerwolf C, Kienzle RP, Neumann FJ +1 more
Plain English This study examined how consistently different measurements are used to diagnose severe aortic valve stenosis, a condition where the heart's aortic valve narrows. Researchers analyzed 3,483 echocardiography tests from 2,427 patients and found that 69% were classified as severely narrowed based on valve area, while only 40% and 45% received the same classification when other measurements, like pressure gradient and flow velocity, were used. This inconsistency in diagnoses may relate to lower blood volume in some patients.
Who this helps: Patients with aortic valve stenosis could benefit from clearer and more consistent diagnostic criteria.
Dangling bond dynamics on the silicon (100)-2x1 surface: dissociation, diffusion, and recombination.
1998
Science (New York, N.Y.)
McEllistrem M, Allgeier M, Boland JJ
Plain English The study examined how certain types of bonds, called dangling bonds, behave on a specific silicon surface after hydrogen atoms are removed. Researchers found that at lower temperatures (below 620 kelvin), these bonds tended to stay close to each other, while at higher temperatures, they moved around more, sometimes reconnecting with the same partner after walking for several minutes. This research is important because it helps improve the understanding of how to create better materials at lower temperatures.
Who this helps: This benefits researchers and engineers working on semiconductor technology and material science.
Effects of pimobendan on hemodynamics and myocardial energetics in patients with idiopathic dilated cardiomyopathy: comparison with nitroprusside.
1989
Journal of cardiovascular pharmacology
Hasenfuss G, Holubarsch C, Heiss HW, Allgeier M, Just H
Plain English This study looked at how two medications, pimobendan and nitroprusside, affect heart function in nine patients with a heart condition called idiopathic dilated cardiomyopathy. The researchers found that both medications reduced stress on the heart walls, but pimobendan led to a 37% increase in the amount of blood the heart pumps out with each beat and improved heart function more effectively than nitroprusside. Importantly, pimobendan also lowered the amount of oxygen the heart needs, which is beneficial for overall heart health.
Who this helps: This helps patients with idiopathic dilated cardiomyopathy by providing an effective treatment option that improves heart function.
Separation between vasodilation and positive inotropism by assessment of myocardial energetics in patients with dilated cardiomyopathy.
1989
Basic research in cardiology
Holubarsch C, Hasenfuss G, Allgeier M, Heiss HW, Just H
Plain English This study looked at how certain heart medications (phosphodiesterase inhibitors) affect heart function and energy use in patients with a condition called dilated cardiomyopathy. Researchers found that these medications can both save energy by relaxing blood vessels and use energy by strengthening heart contractions, with the combination of these effects influencing overall heart performance. Specifically, they discovered that while one treatment decreased energy demand more than the other, it’s the balance between saving and consuming energy that could be crucial for effectively managing chronic heart failure.
Who this helps: This helps patients with chronic heart failure and their doctors.
Nikolaus Jander Jan Minners Franz-Josef Neumann Thomas Arentz Heiko Lehrmann Amir Jadidi Martin Eichenlaub Dietmar Trenk Simon Schoechlin Bjoern Mueller-Edenborn
Physician data sourced from the
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Publication data from
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