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10,478 results match your criteria: "Cyanosis"
Arch Cardiovasc Dis
January 2025
M3C-Necker, hôpital universitaire Necker-enfants malades, AP-HP, 75743 Paris, France; Unité médico-chirurgicale de cardiologie congénitale adulte, hôpital européen Georges-Pompidou, AP-HP, 75015 Paris, France. Electronic address:
Background: Most patients with Fontan circulation struggle to increase cardiac output during exercise, affecting aerobic capacity and quality of life.
Aim: We sought to identify factors in the preFontan period and in management that influence their exercise cardiac performance.
Methods: We retrospectively collected anatomical, clinical and pre- and postFontan invasive haemodynamic data, including ventricular filling pressure in 57 consecutive Fontan patients who underwent cardiopulmonary exercise testing.
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
February 2025
To explore the causes and preventive measures of respiratory arrest following general anesthesia in children with obstructive sleep apnea (OSA), in order to enhance the safety of OSA surgeries under general anesthesia. A retrospective analysis was conducted on the clinical and follow-up data of four pediatric cases that experienced respiratory arrest after general anesthesia for OSA at Shenzhen Hospital of Southern Medical University from March 2020 to March 2022. All four children exhibited varying degrees of decreased blood oxygen saturation, cyanosis, and loss of consciousness after OSA surgery under general anesthesia, with one case experiencing respiratory and cardiac arrest.
View Article and Find Full Text PDFJ Med Case Rep
February 2025
Department of Internal Medicine, Endocrinology and Metabolism Division, Bahir Dar University, Bahir Dar, Ethiopia.
Background: Vitamin D deficiency remains a significant public health concern, particularly among exclusively breastfed infants. Infants born to mothers with vitamin D deficiency, often influenced by cultural factors affecting diet, lifestyle, and clothing, are at increased risk of developing early and potentially fatal complications of hypocalcemic vitamin D deficiency. While seizures and tetany are well-recognized manifestations of hypocalcemia in infants, less common symptoms, such as feeding difficulties and recurrent apnea, are rarely documented.
View Article and Find Full Text PDFZhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi
January 2025
Intensive Care Unit, Huizhou Sixth People's Hospital, Huizhou 516211, China.
Acetamiprid and pyridaben is a compound pesticide, Due to its characteristics of high efficiency, and environmental safety, it has been widely used in agriculture in recent years.This article reports a case of poisoning from a mixture of pymetrozine and propargite pesticides. The patient experienced severe symptoms of poisoning such as vomiting, shortness of breath, abdominal discomfort, generalized cyanosis, bradycardia, and shock after self-administering the pesticide.
View Article and Find Full Text PDFCureus
January 2025
Internal Medicine, Hospital Universitario Dr. José Eleuterio González, Monterrey, MEX.
In this case report, we present an atypical case of atherosclerosis manifesting as subclavian artery atherosclerosis in a 57-year-old male patient with a history of chronic smoking and dyslipidemia. The patient developed progressive cyanosis and vascular compromise in the fingers, characteristic symptoms of subclavian artery obstruction. The diagnosis was confirmed through Doppler ultrasound and computed tomography angiography, which revealed a 72% stenosis of the left subclavian artery.
View Article and Find Full Text PDFWorld J Pediatr Congenit Heart Surg
February 2025
Lenmed Ethekwini Hospital and Heart Centre, Congenital Heart Centre, Durban, South Africa.
Pulmonary atresia with ventricular septal defect and major aortopulmonary collateral arteries represents a heterogenous and complex congenital heart defect. Treatment pathways vary widely depending on center expertise. The recommended approach in infancy is to achieve uniform pulmonary artery and capillary bed development, and a biventricular repair when feasible.
View Article and Find Full Text PDFClin Pract Cases Emerg Med
January 2025
Endeavor Health Swedish Hospital, Department of Graduate Medical Education, Chicago, Illinois.
Introduction: Methemoglobinemia is a rare hematologic disorder of hemoglobin, in which iron contained within the heme moiety becomes oxidized from ferrous iron to ferric iron at a concentration greater than 1% in the blood. This biochemical change reduces binding affinity for oxygen, leading to impaired oxygen deposition in tissues and subsequent hypoxia and hypoxemia. The etiology of methemoglobinemia is often acquired from exposure to oxidizing agents, commonly antibiotics such as dapsone or local anesthetics such as benzocaine.
View Article and Find Full Text PDFEgypt Heart J
February 2025
Pediatric Cardiology Division, Department of Pediatrics, King Abdul-Aziz University, P.O. Box: 80215, 21589, Jeddah, Saudi Arabia.
Background: Anomalous origin of the right pulmonary artery (AORPA) from the ascending aorta is a rare congenital anomaly, representing approximately 0.12% of all congenital heart defects. Early diagnosis and timely intervention are essential to prevent severe complications such as heart failure and pulmonary vascular disease.
View Article and Find Full Text PDFMedicina (B Aires)
February 2025
Unidad Laboratorio Clínico, Hospital de Rehabilitación Respiratoria María Ferrer, Buenos Aires, Argentina.
Low oxygen (O2) affinity hemoglobin (Hb) variants are a group of structural hemoglobinopathies, caused in most cases by point mutations in beta or alpha globin genes. The clinical presentation is widely variable, from asymptomatic patients to those presenting cyanosis and/or low O 2 saturation without signs of chronic hypoxia. Accurate identification of these patients is essential to avoid invasive cardiorespiratory procedures that could be unnecessary.
View Article and Find Full Text PDFPostepy Kardiol Interwencyjnej
December 2024
Acibadem Mehmet Ali Aydınlar University Atakent Hospital, Istanbul, Turkey.
Introduction: Stenting of the right ventricular outflow tract (RVOT) is a reasonable palliation in symptomatic infants with tetralogy of Fallot (ToF) and variants. However, this procedure needs reintervention until corrective surgery.
Aim: To compare RVOT stenting followed with or without propranolol medication until complete repair of ToF and variants.
World J Pediatr Congenit Heart Surg
January 2025
Department of Cardiothoracic Surgery, Lucile Packard Children's Hospital, Stanford University, Palo Alto, CA, USA.
Objective: Tetralogy of Fallot, pulmonary atresia, and major aortopulmonary collateral arteries are a complex congenital heart defect. For years, our program has recommended early single-stage midline unifocalization at three to six months of age. However, many patients are referred beyond six months.
View Article and Find Full Text PDFEchocardiography
February 2025
Department of Echocardiography, Heart Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China.
We reported a 3-year-old girl with cyanosis. The patient was diagnosed with an obstructive Chiari network, which is an unrecognized cause of cyanosis. Echocardiography was used to diagnose this disease and provide additional information on flow and pressure gradients.
View Article and Find Full Text PDFCNS Drugs
March 2025
Faculty of Environmental and Life Sciences, Centre for Innovation in Mental Health, School of Psychology, University of Southampton, Southampton, UK.
Background: Raynaud syndrome (RS) is a peripheral vasculopathy characterised be impaired acral perfusion typically manifesting as skin discolouration with pallor, cyanosis and/or erythema, and increased sensitivity to cold. RS may be primary or secondary to systemic disease, lifestyle and environmental factors or medication. RS has been reported with medication to treat ADHD, but we found no recent comprehensive overview of the literature.
View Article and Find Full Text PDFBMJ Case Rep
January 2025
Cardiology, East Cheshire NHS Trust, Macclesfield, UK.
Non-bacterial thrombotic endocarditis (NBTE) is characterised by sterile vegetations on heart valves and often emerges in hypercoagulable states like malignancy. It is frequently underdiagnosed and only comes to light during postmortem examination. Early diagnosis and treatment with anticoagulation can help lower mortality.
View Article and Find Full Text PDFForensic Sci Med Pathol
January 2025
Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
Nitrous oxide (NO) abuse is becoming increasingly popular worldwide. Moreover, the use of NO combined with other substances, such as alcohol, is also common. Accidental deaths associated with NO abuse are rare in forensic practice, with most fatal cases involving continuous inhalation equipment or exposure in a confined space.
View Article and Find Full Text PDFEur Heart J Case Rep
January 2025
Echocardiography Department, Great Ormond Street Hospital for Children, Great Ormond Street, London WC1N 3JH, UK.
Background: Superior caval vein obstruction is a rare complication of endocardial pacing lead implantation that can result in a right to left shunt.
Case Summary: A 3-year-old child with type 2 Brugada syndrome presented with mild cyanosis post-endocardial pacing implantation due to evolutionary right superior caval vein obstruction. This obstruction resulted in a right to left shunt across a previously unrecognized patent levo-atrial cardinal vein associated with partial anomalous pulmonary venous drainage.
Am J Case Rep
January 2025
Department of Neonatology, The First Division Hospital of Xinjiang Production and Construction Corps, Akesu, Xinjiang, China.
BACKGROUND Ureaplasma urealyticum (UU) is a common microorganism that has been associated with a variety of obstetric and neonatal complications, such as infertility, stillbirth, histologic chorioamnionitis, neonatal sepsis, respiratory infections, and central nervous system infections. However, it is rare for it to cause severe neonatal asphyxia. This rarity is the focus of our case report, which aims to highlight the potential severity of UU infections in newborns.
View Article and Find Full Text PDFFront Pharmacol
January 2025
Respiratory Department II, National Clinical Research Center for Respiratory Diseases, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China.
Multisystemic smooth muscle dysfunction syndrome (MSMDS) is an autosomal dominant disorder caused by mutations in the gene, resulting in variable clinical manifestation and multi-organ dysfunction. Interstitial lung disease (ILD) is a rare phenotype of this condition. We describe a rare infant case of an 8-month-old boy who presented with progressively worsening dyspnea, along with intermittent episodes of respiratory distress and cyanosis since birth.
View Article and Find Full Text PDFJ Vasc Bras
January 2025
Universidade Federal da Paraíba - UFPB, Hospital Universitário Lauro Wanderley - HULW, João Pessoa, PB, Brasil.
Pulmonary arteriovenous malformations (PAVM) are characterized by abnormal pulmonary vessels forming arteriovenous shunts that compromise oxygenation of the blood, causing hypoxemia, and predispose to infections and cerebral ischemia. The patient in this case was a 38-year-old male who presented with tachypnea and dyspnea, cyanosis of extremities, and significant digital clubbing. The patient had structural epilepsy secondary to neurosurgery for a cerebral abscess during childhood.
View Article and Find Full Text PDFBeijing Da Xue Xue Bao Yi Xue Ban
February 2025
Department of Critical Care Medicine, Peking University First Hospital, Beijing 100034, China.
This study reports the diagnosis and treatment of a 26-year-old pregnant woman with severe malnutrition combined with acute pyelonephritis causing sepsis, refractory septic shock and multiple organ failure. A female patient, 26 years old, was admitted to hospital mainly due to "menelipsis for more than 19 weeks, nausea and vomiting for 20 days, fever with fatigue for 3 days". At the end of 19 weeks of intrauterine pregnancy, the patient presented with fever accompanied by urinary tract irritation.
View Article and Find Full Text PDFMedicine (Baltimore)
January 2025
Department of Pediatric Hematology, Children's Medical Center, The First Hospital of Jilin University, Changchun, China.
Rationale: This study presents a case of hemoglobin M disease (HMD), a rare inherited disorder characterized by persistent cyanosis and hypoxemia, observed across 3 generations within a single family. The diagnosis of HMD poses significant challenges, particularly in asymptomatic individuals, due to its rarity and the subtlety of its symptoms. Notably, there is a scarcity of reports on methemoglobinemia in pediatric populations, which further complicates early detection and intervention.
View Article and Find Full Text PDFCureus
December 2024
Internal Medicine, Centro Hospitalar de Trás-os-Montes e Alto Douro, Vila Real, PRT.
Raynaud's phenomenon (RP) is characterized by episodic vasospasm of the small blood vessels, primarily affecting the fingers and toes. Management includes lifestyle modifications, pharmacological treatments, and in severe cases, surgical interventions. Here we report a case of an 80-year-old male patient with a history of hypertension, dyslipidemia, obesity, and atrial fibrillation who presented to the emergency department with edema, cyanosis, and intense pain in the fingers of both hands following a mild COVID-19 infection (no dyspnea or hypoxemia).
View Article and Find Full Text PDFFront Cardiovasc Med
January 2025
Department of Congenital Heart Disease-Pediatric Cardiology, Deutsches Herzzentrum der Charité (DHZC), Berlin, Germany.
Objective: Interstage home monitoring (IHM) programs are considered standard of care after Norwood palliation and have led to substantial improvements in clinical outcomes. This study aims to evaluate an application-based remote IHM program for infants with shunt- or duct-dependent pulmonary circulation. The primary goals were to discharge infants from the hospital while minimizing mortality, optimizing somatic growth, and enhancing caregivers' confidence in the clinical management at home.
View Article and Find Full Text PDFJ Med Case Rep
January 2025
Faculty of Medicine, Damascus University, Damascus, Syria.
Background: Heterotaxia is characterized by an abnormal positioning of the thoracic and/or abdominal organs, resulting in various physiological and hemodynamic implications. Congenital heart disease involves structural irregularities in the heart or major vessels within the chest, leading to functional challenges.
Case Presentation: We present a 26-year-old Arab female patient with a complex medical history involving heterotaxy, dextrocardia, congenital heart disease, and ureteropelvic junction obstruction diagnosed in her first year of life, followed by the identification of endometriosis in her early twenties.
Ann Pediatr Cardiol
December 2024
Department of Cardiology, Bombay Hospital, Mumbai, Maharashtra, India.
Residual defect after surgical closure of atrial septal defect is extremely uncommon. This communication reports four cases encountered in a tertiary care center during the last three decades. Clinical diagnosis was challenging, and the diverse presentations included acute ischemic stroke, cyanosis, and right ventricular volume overload.
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