INTRODUCTION:Spontaneous coronary artery dissection (SCAD) has emerged as an important cause of acute coronary syndrome (ACS) but remains insufficiently characterized. This study aimed to evaluate early and long-term outcomes of patients with SCAD. METHODS:A national wide, 25-year (since 2000), study with prospective (since 2017) inclusions of patients presenting for ACS with documented SCAD. Primary endpoint was in-hospital and long term major adverse cardiac and cerebrovascular events (MACCE). RESULTS:87 patients. Mean age 47.5±11 years, 71% female, 84% had no or only one conventional cardiovascular risk factor. Pregnancy-associated (P-SCAD) accounted for 9%. ST-segment elevation myocardial infarction and cardiogenic shock were described in 51% and 7%. 101 SCAD lesions (60% type 1, 37% type 2 and 3% type 3) were noted. Left anterior descending was the most affected vessel (72%), multivessel involvement was observed in 26% and severe tortuosities were reported in 38%. Conservative strategy was possible in 84% of patients; among them 15% required subsequent urgent clinically driven revascularization. Coronary angiography and percutaneous interventions were associated with five major complications of which one was fatal. Six in-hospital deaths were reported (7%), 4 of them were P-SCAD. After 16-month median follow-up, overall major events and mortality rates were 17% and 9% respectively. Two SCAD recurrences were reported. CONCLUSIONS:SCAD affected a middle-aged, predominantly female population, with no or few conventional risk factors. In-hospital mortality was high especially in P-SCAD. Coronary angiography and interventions for SCAD were associated with frequent complications, and a conservative management should be preferred when possible.

Background:Cardiovascular disease (CVD) is a leading cause of morbidity and mortality in the Middle East and Africa (MEA), with a rising incidence particularly among women. Regional factors such as limited health care access, cultural barriers, and sex-specific risk factors exacerbate this burden. Despite this, women remain significantly underrepresented in cardiovascular research, and no large-scale, multicenter prospective trials have been conducted to provide national data. To address this gap, we established the Middle East African Registry Women Cardiovascular Disease (MEA-WCVD) to create a comprehensive database on the epidemiological profile and management of heart failure (HF), atrial fibrillation (AF), ischemic heart disease (IHD), and valvular heart disease (VHD) in women. Objective:The primary aim of this study is to compare the management of CVDs in women and men across MEA countries in accordance with current clinical practice guidelines. The study also seeks to identify gender-based disparities in health care insurance, income, and access to cardiovascular services. Methods:The MEA-WCVD is a prospective, multicenter, observational study enrolling consecutive patients aged ≥18 years with diagnosed HF, AF, IHD, or VHD across 25 tertiary care centers. Participants provide informed consent during a single visit, and trained investigators collect sociodemographic, clinical, and treatment data via electronic case report forms. The electronic case report form captures general characteristics (age, gender, and comorbidities) and diagnosis-specific details (imaging, guideline-based therapies, and complications). Data are stored in a centralized, contract research organization-managed database (Eshmoun-Clinical Research, Tunisia). An initial 75-day enrollment phase (May 2023-July 2023) is followed by a planned 1-year follow-up for outcome analysis. Data will be analyzed using SPSS (version 25) to compare gender disparities in management and outcomes using multivariable regression and survival analyses. Results:The MEA-WCVD study was funded in April 2023, and data collection began in May 2023. As of July 2023, a total of 15,366 participants have been enrolled across 25 centers. A 1-year follow-up is expected to be completed by July 2024. Data analysis is planned to commence in July 2024, with primary results anticipated for publication in March 2025. The study aims to establish the largest registry in the MEA region for HF, AF, IHD, and VHD, providing valuable insights into demographic trends, clinical management, and adherence to current guidelines. Conclusions:The MEA-WCVD registry will provide essential real-world data on the management and outcomes of the most prevalent CVDs (HF, AF, IHD, and VHD) in the MEA region. By directly comparing standard care management between men and women, this study will highlight gender disparities and inform future strategies for equitable cardiovascular care. The registry is expected to contribute to the largest contemporary cohort of patients with CVD in the region, advancing knowledge in cardiovascular epidemiology and clinical practice.

The escalating incidence of cardiovascular disease (CVD) in the general population, particularly among women, has resulted in increased morbidity and mortality in the Middle East and African (MEA) Regions. Despite this concerning tendency, women remain significantly underrepresented in cardiovascular research, with no large-scale prospective multicenter trials reflecting national data published to date. To address this gap, we initiated the "Women CardioVascular Disease Middle East African Registry (MEA-WCVD)" to establish a comprehensive database on the contemporary epidemiological profile and management of Heart Failure (HF), Atrial fibrillation (AF), ischemic heart disease (IHD) and Valvular Heart disease (VHD) in women. This study aims to compare the management of cardiovascular diseases in women and men in a MEA countries sample, according to the current practice guidelines and encompass the identification of gender-based disparities, specifically examining healthcare insurance, income, and access to healthcare services. This prospective observational study involves a one-shot visit where patients diagnosed with HF, AF, IHD, or VHD provide informed consent, and their data are collected in a centralized certified database. The registry spans 75 days, with plans for an extended protocol to assess 1-year clinical outcomes. The study's findings, expected at the conclusion, will include a comprehensive evaluation of the demographic profile and care management practices for the most prevalent cardiovascular diseases in women worldwide, aligned with current guidelines. The MEA-WCVD registry is anticipated to become the largest database for Middle East African patients monitored for HF, AF, IHD, and VHD. The MEA-WCVD registry will provide unique and necessary data on the management and outcomes of the most common CV diseases (AF, HF, IHD and VHD) while comparing standard care management in women to men in MEA regions. This study will yield the largest contemporary cohort of patients with cardiovascular diseases in MEA countries and would provide valuable answers about real-world cardio-vascular clinical epidemiology and management.

Cardiovascular disease (CVD) is a major health burden worldwide, yet gender-specific data from the Middle East and North Africa (MENA) region remain scarce. The Middle East African Registry of Women with Cardiovascular Disease enrolled adult patients with coronary heart disease (CHD), heart failure (HF), atrial fibrillation (AF), or valvular heart disease (VHD) across Tunisia between May and July 2023. Of 15,366 patients, 37.6% were women. Compared with men, women were older, had lower socioeconomic status, and presented with more obesity, hypertension, diabetes, dyslipidemia, and sedentary lifestyle but smoked less. CHD was less frequent in women, while AF and VHD were more prevalent. Women underwent fewer coronary angiographies and percutaneous interventions, experienced longer delays, and received fewer guideline-based therapies, including dual antiplatelet agents and high-intensity statins. Among HF patients, women more often had preserved ejection fraction and higher hospitalization rates. These results highlight persistent gender inequities in CVD care in Tunisia.

BACKGROUND:Coarctation of the aorta is associated with long-term cardiovascular complications, including hypertension and early onset atherosclerosis. CASE SUMMARY:A 36-year-old woman with persistent hypertension after preeclampsia presented with chest pain. Electrocardiogram showed left ventricular hypertrophy with signs of ischemia. Echocardiography revealed a bicuspid aortic valve; however, the aortic arch was poorly seen. Coronary computed tomography identified severe left anterior descending artery stenosis with thoracic collaterals. During angioplasty, guidewire misdirection uncovered nearly atretic aortic coarctation, successfully stented a few days later. DISCUSSION:This case illustrates how aortic coarctation can remain undetected until adulthood. It causes long-term cardiovascular complications through chronic hypertension and vascular dysfunction, promoting early coronary artery disease. Besides classical risk factors, Turner syndrome, the shape of the aortic arch, as well as the timing and method of repair, also appear to be additional risk factors. TAKE-HOME MESSAGES:Aortic coarctation is an aortopathy that leads to early atherosclerosis and coronary artery disease. Comprehensive evaluation is essential for timely diagnosis and optimal management.

Background: The prevalence of cardiac implantable electronic devices (CIEDs) in Tunisia is rising because of increased life expectancy and broader indications. This has led to a higher incidence of complications related to vascular access, device pockets, leads, and patient characteristics. Objective: We aimed to evaluate the prevalence, types, and predictors of complications occurring within the first year after CIED implantation and to profile the demographic and epidemiologic characteristics of CIED recipients in Tunisia. Methods: The National Tunisian Multicenter Prospective Study on Cardiac Implantable Electronic Devices is a nationwide, prospective study. We enrolled consecutive patients, from January 2021 to February 2022, undergoing de novo implantation of pacemakers, implantable cardioverter defibrillators, cardiac resynchronization therapy devices, generator replacements, and upgrading procedures. Patients attended 4 follow-up visits within the first year. Results: We enrolled 1500 patients with a mean age of 70.1 ± 15.2 years. Most (86.5%) received conventional pacemakers. The overall complication rate was 8.6%, with 129 complications in 80 patients. No significant associations were found between age or gender and complication rates. However, overweight and obesity were independent predictors of overall complications. Procedures performed in private health care settings were associated with a 56.2% reduction in complication rates. Generator replacements were linked to a 64.2% decrease in complication rates. Conversely, urgent or out-of-hours procedures increased the risk of complications by 62.7%. Procedures performed by non-electrophysiologist implanters were associated with an 89.5% increase in overall complication rates. Conclusion: Complications were more prevalent with cardiac resynchronization therapy devices. Identifying specific procedural predictors may pinpoint patients at higher risk, affecting personalized treatments and CIED implantation strategies.

Heart sarcomas are scarce neoplasms with various clinical features and are known to be great imitators of several clinical representations. This article presents a case of a cardiac metastatic sarcoma complicated by infective endocarditis in a 35-year-old female patient with a history of rheumatic fever, brain surgery, and Covid-19 infection. The diagnosis was based on echocardiography, computed tomography and biopsy results. Despite receiving six weeks of antibiotic treatment, the patient’s prognosis was bleak due to the lack of effective palliative options. The article underlines the challenges in the management of cardiac sarcomas and the need for further research in this field.

Background In Tunisia, the number of cardiac implantable electronic devices (CIEDs) is increasing, owing to the increase in patient life expectancy and expanding indications. Despite their life-saving potential and a significant reduction in population morbidity and mortality, their increased numbers have been associated with the development of multiple early and late complications related to vascular access, pockets, leads, or patient characteristics. Objective The study aims to identify the rate, type, and predictors of complications occurring within the first year after CIED implantation. It also aims to describe the demographic and epidemiological characteristics of a nationwide sample of patients with CIED in Tunisia. Additionally, the study will evaluate the extent to which Tunisian electrophysiologists follow international guidelines for cardiac pacing and sudden cardiac death prevention. Methods The Tunisian National Study of Cardiac Implantable Electronic Devices (NATURE-CIED) is a national, multicenter, prospectively monitored study that includes consecutive patients who underwent primary CIED implantation, generator replacement, and upgrade procedure. Patients were enrolled between January 18, 2021, and February 18, 2022, at all Tunisian public and private CIED implantation centers that agreed to participate in the study. All enrolled patients entered a 1-year follow-up period, with 4 consecutive visits at 1, 3, 6, and 12 months after CIED implantation. The collected data are recorded electronically on the clinical suite platform (DACIMA Clinical Suite). Results The study started on January 18, 2021, and concluded on February 18, 2023. In total, 27 cardiologists actively participated in data collection. Over this period, 1500 patients were enrolled in the study consecutively. The mean age of the patients was 70.1 (SD 15.2) years, with a sex ratio of 1:15. Nine hundred (60%) patients were from the public sector, while 600 (40%) patients were from the private sector. A total of 1298 (86.3%) patients received a conventional pacemaker and 75 (5%) patients received a biventricular pacemaker (CRT-P). Implantable cardioverter defibrillators were implanted in 127 (8.5%) patients. Of these patients, 45 (3%) underwent CRT-D implantation. Conclusions This study will establish the most extensive contemporary longitudinal cohort of patients undergoing CIED implantation in Tunisia, presenting a significant opportunity for real-world clinical epidemiology. It will address a crucial gap in the management of patients during the perioperative phase and follow-up, enabling the identification of individuals at particularly high risk of complications for optimal care. Trial Registration ClinicalTrials.gov NCT05361759; https://classic.clinicaltrials.gov/ct2/show/NCT05361759 International Registered Report Identifier (IRRID) RR1-10.2196/47525

Early diagnosis of the spiked helmet sign is challenging. This ST-elevation myocardial infarction mimic was first described in 2011 by Littmann and colleagues and was linked to severe non-coronary pathologies, with a high risk of mortality. We present a case of a 60-year-old female patient who developed severe erysipelas with sepsis associated with severe hypokalemia. She had a spiked helmet sign on her routine electrocardiogram at hospital admission. We performed a coronary angiogram that showed no culprit artery. She developed afterward an ischemic stroke. Through intensive management of the patient's sepsis and electrolyte disturbance, she had a favorable outcome.

During the month of Ramadan, over one billion Muslims observe a water and food fast from sunrise to sunset. The practice of this religious duty causes marked changes in eating and sleeping habits. With the increasing incidence of cardiovascular (CV) risk factors, the number of patients with CV pathologies who wish to fast is increasing worldwide, and in Tunisia, which is ranked as a high CV risk country. If fasting has been shown to be beneficial for the improvement of some metabolic parameters, its practice in patients with CV pathology remains debated. The Tunisian Society of Cardiology and Cardiovascular Surgery (STCCCV) in consultation with the National Instance of Evaluation and Accreditation in Health (INEAS) has established this document in the form of a consensus after having analysed the literature with the aim of addressing these questions: -What is the impact of fasting in patients with CV pathologies? -How to stratify the risk of fasting according to CV pathology and comorbidities? -How to plan fasting in patients with CV diseases? -What are the hygienic and dietary measures to be recommended during fasting in patients with CV pathologies? -How to manage medication during the month of Ramadan in patients with CV diseases?

Background Coronary artery diseases remain the leading cause of death in the world. The management of this condition has improved remarkably in the recent years owing to the development of new technical tools and multicentric registries. Objective The aim of this study is to investigate the in-hospital and 1-year clinical outcomes of patients treated with percutaneous coronary intervention (PCI) in Tunisia. Methods We will conduct a prospective multicentric observational study with patients older than 18 years who underwent PCI between January 31, 2020 and June 30, 2020. The primary end point is the occurrence of a major adverse cardiovascular event, defined as cardiovascular death, myocardial infarction, cerebrovascular accident, or target vessel revascularization with either repeat PCI or coronary artery bypass grafting (CABG). The secondary end points are procedural success rate, stent thrombosis, and the rate of redo PCI/CABG for in-stent restenosis. Results In this study, the demographic profile and the general risk profile of Tunisian patients who underwent PCI and their end points will be analyzed. The complexity level of the procedures and the left main occlusion, bifurcation occlusion, and chronic total occlusion PCI will be analyzed, and immediate as well as long-term results will be determined. The National Tunisian Registry of PCI (NATURE-PCI) will be the first national multicentric registry of angioplasty in Africa. For this study, the institutional ethical committee approval was obtained (0223/2020). This trial consists of 97 cardiologists and 2498 patients who have undergone PCI with a 1-year follow-up period. Twenty-eight catheterization laboratories from both public (15 laboratories) and private (13 laboratories) sectors will enroll patients after receiving informed consent. Of the 2498 patients, 1897 (75.9%) are managed in the public sector and 601 (24.1%) are managed in the private sector. The COVID-19 pandemic started in Tunisia in March 2020; 719 patients (31.9%) were included before the COVID-19 pandemic and 1779 (60.1%) during the pandemic. The inclusion of patients has been finished, and we expect to publish the results by the end of 2022. Conclusions This study would add data and provide a valuable opportunity for real-world clinical epidemiology and practice in the field of interventional cardiology in Tunisia with insights into the uptake of PCI in this limited-income region. Trial Registration Clinicaltrials.gov NCT04219761; https://clinicaltrials.gov/ct2/show/NCT04219761 International Registered Report Identifier (IRRID) RR1-10.2196/24595

Despite the operational experience in the percutaneous closure of Patent ductus arteriosus (PDA), complications can arise during the procedure. To overcome these complications the choice of the device must be adapted to each patient. AIM:To report the experience of the cardiology department in the transcatheter device closure of PDA and to determine the influencing factors of choice of the device. METHODS:Our study included patients with patent ductus arteriosus that are admitted for transcatheter closure, between September 2003 and June 2016. RESULT:One hundred and fifty-three patients were included in our study. Transcatheter closure was not done in 9 cases. The transcatheter closure was successful in 140 patients. The complications were observed in 11 patients that includes device embolization in 3 cases, aortic protrusion in four cases pulmonary protrusion in three cases and inguinal hematoma in one another. Three predictive factors of complications were: age < 2 years, tubular PDA type C and ratio duct diameter/weight > 0.95. A mild residual shunt was observed at the end of the procedure in 22.85 % of the patients. The risk of residual shunt was significantly increased when the age < 2 years, the large PDA, the presence of pulmonary hypertension and the tubular C PDA. CONCLUSION:The choice of the device depends essentially on age, the weight and the duct anatomy.

BACKGROUND:This study was designed to evaluate the care of hypertensive patients in daily clinical practice in public and private centers in all Tunisian regions. OBJECTIVE:This study will provide us an overview of hypertension (HTN) management in Tunisia and the degree of adherence of practitioners to international recommendations. METHODS:This is a national observational cross-sectional multicenter study that will include patients older than 18 years with HTN for a duration of 4 weeks, managed in the public sector from primary and secondary care centers as well as patients managed in the private sector. Every participating patient signed a consent form. The study will exclude patients undergoing dialysis. The parameters that will be evaluated are demographic and anthropometric data, lifestyle habits, blood pressure levels, lipid profiles, treatment, and adherence to treatment. The data are collected via the web interface in the Dacima Clinical Suite. RESULTS:The study began on April 15, 2019 and ended on May 15, 2019. During this period, we included 25,890 patients with HTN. Data collection involved 321 investigators from 24 Tunisian districts. The investigators were doctors working in the private and public sectors. CONCLUSIONS:Observational studies are extremely useful in improving the management of HTN in developing countries. TRIAL REGISTRATION:ClinicalTrials.gov NCT04013503; https://clinicaltrials.gov/ct2/show/NCT04013503. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID):DERR1-10.2196/21878.

BACKGROUND:Cardiac Hibernomas are very rare benign tumors and usually remain asymptomatic. Neonatal cardiogenic shock due to cardiac tumors is extremely very rare. Until this date a few cases of cardiac hibernoma have been reported in the literature. Transthoracic echocardiography help in the differential diagnosis, but the definitive diagnosis is histological. The management strategy is not clearly codified. The Aim is to report and discuss the clinical features of a cardiac Hibernoma and review the relevant literature.CASE PRESENTATION:We describe a case of a 2-day-old Caucasian full-term male neonate admitted in neonate intensive care with cardiogenic shock, having fluid resuscitation and inotropic drugs. Ventilatory support was started immediately with the subsequent reestablishment of normal blood pressure. Then he was transferred to the echocardiography laboratory. Transthoracic echocardiography showed two echogenic masses in the right atrium and right ventricle. The masses were extended to the pulmonary trunk. Pulmonary artery flow measurements showed the presence of pulmonary and tricuspid obstruction. Surgery was rapidly considered since the baby was hemodynamically unstable. Intraoperative evaluation showed a mass embedded in the interventricular septum that occupy the right ventricular cavity and the right atrium. The tumor involved also the chordae of the tricuspid. Partial resection was done. Tricuspid valve repair was performed by construction of new chordae from the autologous pericardium. The specimen was sent for histopathological analysis. The baby died immediately after surgery. Histological examination of the surgical specimen revealed clear multivacuolated cells filled with lipid droplets and granular intense eosinophilic cytoplasm which confirms the diagnosis of Hibernoma.CONCLUSION:Cardiac Hibernomas are rare benign tumors. The prognosis and treatment strategy is closely dependent on the location, initial clinical presentation and possible complications. The prognosis can be unfavorable if the tumor was obstructive and infiltrate the myocardium.

INTRODUCTION:Echocardiography is an important tool for diagnosis of cardiac abnormalities that can impact the management and outcome of the sick newborn in the intensive care unit. A preliminary echocardiogram performed by the neonatologist under the supervision of a paediatric cardiologist for interpretation and review is an alternate when there is not a cardiologist on site. The aim of this study was to evaluate frequency of use, neonatal characteristics, and indications of neonatologist-performed echocardiography in a Tertiary Neonatal Care Centre in Tunisia.METHODS:Prospective observational study in a tertiary Neonatal Intensive Care Unit (NICU) in Monastir (Tunisia) from April 2015 to February 2017.An echocardiography was indicated in these situations: cyanosis, signs of circulatory shock, clinical signs of heart failure, presence of a murmur, arrhythmia, and abnormal pulses in upper and/or lower extremities, suspected persistent pulmonary hypertension in neonates, clinically suspected patent ductus arteriosus, maternal diabetes mellitus and polymalformative syndrome. The findings of echocardiography were confirmed by pediatric cardiologist in case of structural or functional cardiac abnormalities.RESULTS:675 echocardiography were performed among them 535 were normal and 25 revealed a persistent arterial duct treated with E2 postaglandins (Prostine®) or paracetamol according to a pre-established protocol. 80 Congenital heart diseases were retained, which represented an incidence of 7 ‰ live births. The second time of our work consisted to study the 55 cases of cardiac diseases confirmed after exclusion of atrial communication. The antenatal diagnosis was made in 11% of cases. The main signs indicating the echocardiogram were the heart murmur (22 cases) followed by cyanosis (6 cases). A malformation association and / or a chromosomal aberration have been noted in 36% of cases. For half of the patients, the cardiac ultrasound was performed before the first 24 hours of life. This examination was completed by a thoracic angioscan in 9 patients. 31% of newborns had an infusion of Prostaglandins for an average duration of 11 days [2-60 days]. One-third of newborns (35 cases) required respiratory assistance. A palliative surgery was made in 7 cases and curative one in 4 cases. The average age at the time of the intervention was 20 days. The neonatal mortality rate was 40%.CONCLUSION:Echocardiography is being utilized progressively on the neonatal unit, and has been indicated to have a high return for both structural and functional cardiac abnormalities. It is important to encourage collaboration with pediatric cardiologists to establish standards for training and to develop guidelines for clinical practice in order to improve neonatal care.

BACKGROUND:Left main coronary artery disease is found in 4-6% of patients undergoing diagnostic coronary angiography. Coronary artery bypass graft is the gold standard. However, percutaneous coronary intervention is a continuously evolving substitution for surgery in such patients.METHODS:We report a retrospective study of 32 patients with relevant left main coronary artery disease treated by angioplasty in our faculty, between January 2005 and March 2011.RESULTS:The mean age of the population on the study was 59.7±10.9 years. The sex-ratio was 3.57. The rate of angiographic success was 97%. The in-hospital stay was uneventful in 94%¨of our patients. Only one patient died of cardiogenic shock complicating an acute anterior myocardial infarction. After a mean follow up of 18.5 ± 15.4 months, the in-stent restenosis rate was 16.12%. The rate of major adverse cardiac events (MACE) was 29%. Independent predictive factors of MACE were: cardiogenic shock on admission (p=0.022), emergency procedures (p=0.033), Euroscore > 6 (p=0.001), Parsonnet score > 20 (p=0.036), High C réactive protein levels on admission (p=0.007),le taux de créatinine (p=0.008), un diamètre de référence du TCCG < 3.5 mm (p =0.036) et l'utilisation de stents  (p=0.036) and the use of bare metal stents (p=0.036). Independent predictive factors of in-stent restenosis were: use of bare metal stents (p=0.004) and Paclitaxel drug eluting stents (p=0.037).CONCLUSION:Percutaneous coronary intervention is safe and a validated alternative to coronary artery bypass graft for left main coronary artery disease. However, it should be reserved to selected patients and limited to experienced centers.

Cardiac hemangiomas are benign tumors with an unpredictable natural history. Surgical resection is the treatment of choice; however, conservative management can be an alternative in some patients. We report a case of a left-sided cardiac hemangioma that we managed conservatively for 11 years without obvious major complications in the patient, an adult woman.

INTRODUCTION:Anomalous origin of the left coronary artery from the pulmonary artery is a rare congenital anomaly and one of the causes of myocardial ischemia. The usual clinical course is severe left-sided heart failure and mitral valve insufficiency presenting during the first months of life.CASE PRESENTATION:We report the case of a 6-month-old Tunisian girl who presented with dilated cardiomyopathy. Echocardiography suspected anomalous origin of the left coronary artery. The definitive diagnosis of anomalous origin of the left coronary artery from the pulmonary artery was reached by multislice computed tomography and coronary angiography.CONCLUSION:In cases of dilated cardiomyopathy, anomalous origin of the left coronary artery from the pulmonary artery syndrome has to be kept in mind as a surgically correctable cause.

Left coronaroventricular microfistulae is a rare malformation. The authors report 11 cases of microfistulae between coronary arteries and left ventricle diagnosed by coronary arteriographies. These cases include 6 men and 5 women. Patient's mean age was 54.4 years. The symptoms were suggestive of coronary pathology. The ECG showed myocardial ischemia signs in 5 cases. The other patients had a positive exercise-test. Microfistulae originated from the left anterior descending artery were seen in 5 cases, from the right coronary artery in 2 cases, from the circumflex in 1 case and from the lateral artery in 1 case. The microfistulae originated from both left anterior descending artery and right coronary artery were observed in 2 patients. The main mechanism of myocardial ischemia seems to be related to the coronary steal phenomenon. The diagnosis of the microfistulae is based on coronary arteriography with late recorder angiographic images. The treatment is essentially medical. Surgical and transcatheter treatments are exceptional and must be considered in only severe forms with refractory medical treatment.