Ahmad Hallak

ORCID: 0000-0001-8770-8295
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About
Contact & Profiles
Research Areas
  • Venous Thromboembolism Diagnosis and Management
  • Aortic aneurysm repair treatments
  • Atrial Fibrillation Management and Outcomes
  • Congenital Heart Disease Studies
  • Cardiovascular Issues in Pregnancy
  • Cancer, Stress, Anesthesia, and Immune Response
  • Coronary Artery Anomalies
  • Cardiac and Coronary Surgery Techniques
  • Cardiac Imaging and Diagnostics
  • Acute Myocardial Infarction Research
  • Kawasaki Disease and Coronary Complications
  • Sexual function and dysfunction studies
  • Blood Coagulation and Thrombosis Mechanisms
  • Gastrointestinal Bleeding Diagnosis and Treatment
  • Coronary Interventions and Diagnostics
  • Cardiac Valve Diseases and Treatments
  • Rabies epidemiology and control
  • Aortic Disease and Treatment Approaches
  • Liver Disease and Transplantation
  • Neuroendocrine Tumor Research Advances
  • Cardiovascular and Diving-Related Complications
  • Tracheal and airway disorders
  • Circadian rhythm and melatonin
  • Social Media in Health Education
  • Systemic Lupus Erythematosus Research

Ochsner Medical Center
2022-2025

Texas Tech University Health Sciences Center
2020-2024

Texas Tech University
2020-2024

Amarillo VA Health Care System
2024

University of New Orleans
2022

Ochsner Health System
2022

Amarillo College
2020

Charleston Area Medical Center
2019

West Virginia University
2018-2019

Oasis Hospital
2017

Iván J. Núñez‐Gil Enrico Cerrato Mario Bollati Luis Nombela‐Franco Belén Terol and 95 more Emilio Alfonso‐Rodríguez Santiago Jesús Camacho Freire Pedro Villablanca Ignacio J. Amat‐Santos José M. de la Torre Hernández Isaac Pascual Christoph Liebetrau Benjamín Camacho Marco Pavani Juan Albístur Roberto Adriano Latini Ferdinando Varbella Víctor Alfonso Jiménez Díaz Davide Piraino Massimo Mancone Fernándo Alfonso José Antonio Linares Vicente Ramón Rodríguez‐Olivares Jesús M. Jiménez Mazuecos Jorge Palazuelos Alejandro Sánchez‐Grande Flecha Joan Antoni Gómez‐Hospital Alfonso Ielasi Íñigo Lozano Pierluigi Omedè Rodrigo Bagur Fabrizio Ugo Massimo Medda Boshra Louka Petr Kala Javier Escaned Daniel Bautista Gisela Feltes Pablo Salinas Mohamad Alkhouli Carlos Macaya Antonio Fernández‐Ortíz Piter Martínez Benítez Antonio Gómez Menchero Javier León Jiménez José Francisco Díaz Fernández Mohammed Makkiya Nurilign Bulcha Sarabjeet Suri P. Karline Rojas Tamara García Camarero Pablo Avanzas César Morı́s Christoph Berndt Pedro Trujillo Gustavo Vignolo Rafael Mila Dario Buccheri Pedro Silva Giorgio Quadri Francesco Tomassini Christian Rolfo Etelberto Hernández Hernández José Antonio Baz Alonso Andrés Íñiguez Giulia Teresi Giuseppe Andolina Simone Calcagno Gonzalo Navarrete Fernando Rivero Javier Cuesta Daniella Benedetto Fatih Arslan Peter Stella Ma. Isabel Barrionuevo Sánchez Rafael Gómez Vicente Patricia Clares Montón Dámaris Carballeira Geoffrey Yanes Bowden Manuel Vargas Torres Agustín Fernández‐Cisnal Juan Pablo Canepa Leite Giulietta Grigis Claudio Moretti Antonio Montefusco Fabrizio D’Ascenzo Piera Capasso Marta Bande Francesco Casilli Ramez Morkous Eric H. Yang Harish Ramakrishna Martin Poloczek Roman Miklík Ahmad Hallak Bernardo Cortese Pilar Jiménez‐Quevedo Nieves Gonzalo María Del Trigo Alfonso de Hoyos

10.1016/j.ijcard.2019.05.067 article EN International Journal of Cardiology 2019-07-18

IgG4-related disease is characterized by a systemic fibroinflammatory process associated with substantial infiltration plasma cells IgG4 in the organs. Our patient presented pleural effusion, and was diagnosed lung (IgG4-RLD) after he received two doses of Pfizer COVID-19 vaccine. The developed dyspnea hypoxia 2 weeks receiving second dose CT scan revealed left effusion which drained. However, recurred requiring thoracoscopic drainage, placement an indwelling catheter, decortication biopsy....

10.1002/rcr2.1026 article EN cc-by Respirology Case Reports 2022-09-18

The last decade has witnessed a tremendous growth in the type and complexity of transcatheter cardiovascular interventions that require large-bore access. While common femoral artery become main route for these interventions, sizable cohorts patients are unsuitable transfemoral access due to vascular disease or small vessel caliber. Percutaneous axillary emerged as feasible alternative patients. We provide step-by-step guide transaxillary closure requiring interventions.

10.1111/jocs.13602 article EN Journal of Cardiac Surgery 2018-04-25

Wellens syndrome is an electrocardiographic (ECG) pattern involving T waves in precordial leads that was first described 1982 among a group of patients presenting with unstable angina suggestive critical stenosis the proximal left anterior descending (LAD) coronary. It crucial for emergency physicians and internists to be able recognize these patterns, as they occur symptom-free periods represent pre-infarction state needs early intervention. Type A, which characterized by biphasic waves,...

10.1155/2019/1582030 article EN cc-by Case Reports in Emergency Medicine 2019-09-16

Livedoid vasculopathy is a thromboocclusive cutaneous manifested by livedoid changes, atrophie blanche, and ulceration. The pathogenesis speculated to involve increasing coagulation or impaired thrombolysis leading the occlusion of dermal blood vessels with fibrin thrombi. known primarily affect lower extremities. We report first case affecting penis. A 60-year-old male was evaluated for split urine stream associated irritation peeling skin glans His penile ulcer continued enlarge despite...

10.1155/2023/6920383 article EN cc-by Case Reports in Vascular Medicine 2023-07-04

Objectives The use of immunotherapies in the treatment melanoma has significantly improved survival patients with advanced disease. Historically, histamine been implicated pathogenesis several cancers. Cimetidine does play a role modulating immune system and was advocated as an immunotherapeutic agent since 1970s. showing promise conjunction standard care many cancers vitro vivo. However, its effects have not explored yet. Our study designed to determine if cimetidine taken perioperative...

10.1055/s-0044-1790542 article EN cc-by-nc-nd South Asian Journal of Cancer 2024-09-16

10.1016/s0735-1097(20)33642-1 article EN Journal of the American College of Cardiology 2020-03-01

Introduction: The COVID-19 pandemic has challenged global health with novel pathogenesis that is both severe and poorly understood. Several mechanisms have been proposed to explain the severity complexity of clinical illness including cytokine storm release, thromboembolic microangiopathy, direct cytotoxicity, post-viral bacterial super infection. Cases: patients in this case series were all admitted intensive care unit respiratory failure from requiring invasive mechanical ventilation. They...

10.24966/nivi-7400/100028 article EN Non Invasive Vascular Investigation 2021-12-31

Brown recluse spiders, also known as Loxosceles reclusa, are endemic to the Southwest and Central Midwestern United States. A bite from this spider can cause a range of clinical manifestations, anywhere painless papular lesion life-threatening reactions. We report possible presenting leukostasis initially suspected be acute leukemia. 22-year-old female patient presented emergency department with confusion right upper arm pain, redness, swelling after bite. Initial labs showed WBC count...

10.1177/23247096211039949 article EN cc-by Journal of Investigative Medicine High Impact Case Reports 2021-01-01

We have reported a rare case of DVT in 25-year-old patient with known Protein S deficiency INR within therapeutic index. He was seen the ED and transferred to Medical ward after diagnosis using doppler US. The successfully treated heparin warfarin higher than usual optimal INR. This adds growing evidence that PS is one causes DVT, also raises awareness thrombosis can still occur current for such patients. report necessitates revision what should be patients who develop

10.18203/2320-6012.ijrms20175745 article EN International Journal of Research in Medical Sciences 2017-12-23

10.1016/s0735-1097(22)03258-2 article EN publisher-specific-oa Journal of the American College of Cardiology 2022-03-01

Pulmonary embolism (PE) remains one of the highest causes cardiovascular mortality worldwide. Systemic thrombolysis for acute PE reduces collapse but has potential to cause major complications, including intracranial hemorrhage, systemic immunologic hypotension, and myocardial rupture. Catheter-directed accompanied with high-frequency ultrasound dose, allows increased local expedites clot lysis at site embolism. Although rare, some patients may have a patent foramen ovale or other atrial...

10.25259/ajir_23_2020 article EN cc-by-nc-sa American Journal of Interventional Radiology 2021-02-03
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