Reza Heydarzadeh

ORCID: 0000-0003-4013-4348
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Research Areas
  • Long-Term Effects of COVID-19
  • COVID-19 Clinical Research Studies
  • Water Systems and Optimization
  • Wastewater Treatment and Nitrogen Removal
  • Vascular Procedures and Complications
  • Water resources management and optimization
  • Peripheral Artery Disease Management
  • Urban Stormwater Management Solutions
  • Coronary Interventions and Diagnostics
  • Cardiac pacing and defibrillation studies
  • Parathyroid Disorders and Treatments
  • Sodium Intake and Health
  • Vascular Anomalies and Treatments
  • Cardiovascular Disease and Adiposity
  • Aortic Disease and Treatment Approaches
  • Environmental remediation with nanomaterials
  • Arsenic contamination and mitigation
  • Heart Rate Variability and Autonomic Control
  • Water-Energy-Food Nexus Studies
  • Cardiac Arrhythmias and Treatments
  • Lipoproteins and Cardiovascular Health
  • Blood Pressure and Hypertension Studies
  • Tracheal and airway disorders
  • COVID-19 and healthcare impacts
  • Cardiac Valve Diseases and Treatments

Shiraz University of Medical Sciences
2022-2025

Shiraz University
2024

Shahid Sadoughi University of Medical Sciences and Health Services
2023

University of Tehran
2018-2021

Abstract Background Besides the lungs, coronavirus disease 2019 (COVID-19) can affect cardiovascular, digestive, urinary, hepatic, and central nervous systems. Other than its short-term effects, COVID-19 may also cause long-term complications. In this study, we assessed cardiovascular symptoms among patients in a clinic. Method A retrospective cohort was conducted between October 2020 to May 2021 on at an outpatient clinic Shiraz, Iran. Patients with history of least one year before their...

10.1186/s12872-023-03322-8 article EN cc-by BMC Cardiovascular Disorders 2023-06-06

ABSTRACT Mitral annulus disjunction (MAD) is a rare but significant cause of ventricular arrhythmias in young patients. Timely diagnosis using cardiac magnetic resonance imaging and targeted management with catheter ablation can effectively control arrhythmias, improve patient outcomes, prevent severe complications such as sudden death.

10.1002/ccr3.70403 article EN cc-by Clinical Case Reports 2025-04-01

Abstract Background Coronavirus disease 2019 (COVID-19) has various sequelae, one of which might be hypertension. We aimed to evaluate COVID-19’s impact on blood pressure (BP) in non-hospitalized patients at one-year follow-up. Method A total 7,950 consecutive COVID-19 regularly visiting our cardiology clinic were retrospectively screened. Patients’ electronic medical records including demographics, comorbidities, vital signs, treatments, and outcomes, reviewed by two physicians. Individuals...

10.1186/s12872-024-03916-w article EN cc-by BMC Cardiovascular Disorders 2024-05-07

Sewers that constitute the main part of wastewater systems can be used as pretreatment units treatment plants. The authors aim to increase efficiency sewers by optimization. A hydraulic model is written and validated. quality calculation section added according Wastewater Aerobic/Anaerobic Transformations in (WATS) method, it calibrated verified using data a real transition line. An optimization engine coupled proposed model. new simulate parameters sewer network optimize it. Six objective...

10.1061/(asce)ps.1949-1204.0000416 article EN Journal of Pipeline Systems Engineering and Practice 2019-09-14

Abstract This paper aims to develop a model for calculating the hydraulic and water quality parameters of wastewater within sewers. Information from collection network transmission line in Birjand were used verify performance. The modelling changes include yield constant biomass (YH), maximum specific growth rate (μH), saturation dissolved oxygen (KOG) readily biodegradable substrate biofilm (KSF), as well Gauckler–Manning–Strickler coefficient (n). They selected references verified at...

10.2166/hydro.2021.051 article EN cc-by Journal of Hydroinformatics 2021-11-18

The aberrant subclavian artery is an uncommon congenital anomaly in the aortic arch, which may have a variety of presentations, including dysphagia, dyspnea, and chest pain, depending on anatomical site vessel. Treatment individualized, surgical management only considered symptomatic patients. Dysphagia one most important symptoms for clinicians should consider surgery. Here, we present interesting case 49-year-old woman who first came with presentation acute coronary syndrome underwent...

10.1016/j.avsurg.2024.100268 article EN cc-by-nc Annals of Vascular Surgery - Brief Reports and Innovations 2024-03-22

Abstract Background Anemia is a prevalent issue among patients with chronic kidney disease (CKD) undergoing hemodialysis, influenced by various factors. Treatment typically involves erythropoiesis-stimulating agent (ESA) therapy and iron formulations, yet achieving optimal hemoglobin levels poses challenges. This study aims to explore the correlation between parathyroid hormone (PTH) ESA dosage requirements in hemodialysis patients. Methods In this cross-sectional of 238 CKD for more than...

10.21203/rs.3.rs-4264582/v1 preprint EN cc-by Research Square (Research Square) 2024-04-22

Abstract Background: Coronary artery disease (CAD) is the leading cause of death in world. To prevent CAD we need to assess risk future CAD. Systems for assessment has its own limitations. In this study assessed ankle-brachial index (ABI) as a screening tool Method : Between 2019 and 2020, conducted large cross-sectional population-based 4207 new patients referred cardiovascular Clinic. The underwent selective coronary angiography via radial approach by an expert interventional cardiologist....

10.21203/rs.3.rs-871459/v1 preprint EN cc-by Research Square (Research Square) 2021-09-17

Background: Although statins decrease mortality in coronary artery disease, the effect of high-dose and duration therapy post-percutaneous intervention (PCI) is not well addressed. Aim: To determine effective dose statin to prevent major adverse cardiovascular events (MACEs), such as acute syndrome, stroke, myocardial infarction, revascularisation cardiac death, after PCI patients with chronic syndrome. Methods: In this randomised, double-blind clinical trial, all syndrome a recent history...

10.15420/icr.2022.13 article EN cc-by-nc Interventional Cardiology Reviews Research Resources 2022-11-29

<title>Abstract</title> <bold>Background: </bold>Coronavirus disease 2019 (COVID-19) has various sequelae, one of which might be hypertension. We aimed to evaluate COVID-19’s impact on blood pressure (BP) in non-hospitalized patients at one-year follow-up. <bold>Method: </bold>A total 7,950 consecutive COVID-19 regularly visiting our cardiology clinic were retrospectively screened. Patients' electronic medical records including demographics, comorbidities, vital signs, treatments, and...

10.21203/rs.3.rs-3317308/v1 preprint EN cc-by Research Square (Research Square) 2023-09-27

Birjand is a city in the east of Iran.Underground water only drinking source, because this dry region.Ground hexavalent chromium ion (Cr +6 ) concentration about 0.07 mg/l, which higher than maximum contamination level (MCL).The Cr 0.05 mg/l according to WHO guidelines.In an effort comply with World Health Organization (WHO) guideline regulations governing chromium, was reduced 3 through standard jar test procedures addition ferrous sulphate as reducing agent.This research studied bench...

10.2495/wp060201 article EN WIT transactions on ecology and the environment 2006-08-23

Background: Coronary artery disease (CAD) is the leading cause of death in world. In this study we assessed ankle-brachial index (ABI) as a screening tool for CAD. Method: Between 2019 and 2020, large cross-sectional population-based 4207 new patients referred to cardiovascular Clinic was enrolled. The underwent selective coronary angiography via radial approach. ABI calculated all patients. We compared with results determine specificity sensitivity Results: Abnormal significantly more...

10.33140/icvpr.02.01.05 article EN Insights of Cardiovascular Pharmacology Research 2022-01-06
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