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1.
J Investig Med ; 71(4): 394-399, 2023 04.
Article in English | MEDLINE | ID: mdl-36695432

ABSTRACT

Cerebrovascular accident (CVA) is one of the leading causes of death in the United States. Von Willebrand factor plays an important role in platelet activation and adhesion. It remains unclear whether Von Willebrand disease (vWD) is associated with a decreased risk of developing CVA. The study aimed to compare the relative risk (RR) of CVA in patients with and without vWD. We queried the National Inpatient Sample from 2009 to 2014 for discharge data and records for vWD and CVA using International Classification of Diseases, Ninth-Revision codes. The unadjusted and adjusted RR of CVA in patients with and without vWD were estimated using log-binomial model. Descriptive measures including means, medians, standard deviations, and range were presented based on normality test of continuous data. The prevalence of CVA was lower in patients with vWD than in those without vWD (1.31% vs 2.04%), with a RR of 0.64 (95% confidence interval (CI): 0.60-0.68). After adjusting for common CVA risk factors, the RR remained lower in vWD patients: 0.81 (95% CI: 0.76-0.86). vWD is associated with a lower RR of developing CVA. This suggests that deficiency of Von Willebrand factor is potentially protective against the development of CVA. To the best of our knowledge, this is the first study in humans to compare the RR of CVA in patients with and without vWD. Future studies are needed to explore causal relationships and therapeutic benefits.


Subject(s)
Stroke , von Willebrand Diseases , Humans , United States/epidemiology , von Willebrand Diseases/complications , von Willebrand Diseases/epidemiology , von Willebrand Factor , Risk , Inpatients , Stroke/complications , Stroke/epidemiology
2.
Cureus ; 13(3): e14040, 2021 Mar 22.
Article in English | MEDLINE | ID: mdl-33898126

ABSTRACT

Cardiovascular complications in coronavirus disease 2019 (COVID-19) patients have been associated with poor prognosis. Myocarditis, acute coronary syndrome, heart failure, and arrhythmia have been reported.  We present a case of a 55-year-old female patient with no significant past medical history who was admitted due to COVID-19 induced acute hypoxemic respiratory failure. She developed multiple asymptomatic episodes of long sinus pauses as her oxygen requirements increased. These resolved without atropine and pacing as her respiratory status improved. Hypoxemia, cytokine storm, dysautonomia, direct viral infiltration, and surrounding myocardial inflammation are thought to be responsible for bradyarrhythmias associated with COVID-19. Both symptomatic and asymptomatic cases have been reported. Hospitalized COVID-19 patients should be monitored closely on telemetry in order to promptly recognize any arrhythmia; hence preventing an unexplained rapid decline in cardiopulmonary status by intensifying care and managing the arrhythmia in a timely manner. Follow-up studies would be needed to determine the long-term outcomes of COVID-19 patients who developed bradyarrhythmias.

3.
Cureus ; 10(10): e3402, 2018 Oct 02.
Article in English | MEDLINE | ID: mdl-30533336

ABSTRACT

A positive Murphy's sign in a patient with right upper quadrant abdominal pain is the arrest of inspiration during deep palpation of the quadrant. It is usually suggestive of acute cholecystitis. We report an unusual case of a positive Murphy's sign not due to acute cholecystitis, but rather from a pericardial hematoma from a right atrial tear causing right heart failure. The patient required an atrial tear repair to prevent a cardiac tamponade.

4.
Tex Heart Inst J ; 44(6): 411-415, 2017 12.
Article in English | MEDLINE | ID: mdl-29276442

ABSTRACT

Most pericardial changes appear within a few weeks in patients who have undergone radiation therapy for thoracic neoplasms. Chronic pericardial constriction typically occurs decades later, consequent to fibrosis. Early constrictive pericarditis after chest irradiation is quite rare. We report the case of a 62-year-old woman who underwent radiation therapy for esophageal cancer and presented with constrictive pericarditis 5 months later. We searched the English-language medical literature from January 1986 through December 2015 for reports of early constrictive pericarditis after irradiation for thoracic malignancies. We defined "early" as a diagnosis within one year after radiation therapy. Five cases fit our criteria, and we summarize the findings here. To our knowledge, ours is the first definitive report of a patient with esophageal cancer to present with early radiation-induced constrictive pericarditis. We conclude that constrictive pericarditis can occur early after radiation for thoracic malignancies, albeit rarely. When planning care for cancer patients, awareness of this sequela is helpful.


Subject(s)
Esophageal Neoplasms/radiotherapy , Pericarditis, Constrictive/etiology , Pericardium/diagnostic imaging , Radiation Injuries/complications , Echocardiography , Esophageal Neoplasms/diagnosis , Fatal Outcome , Female , Follow-Up Studies , Humans , Magnetic Resonance Imaging, Cine , Middle Aged , Pericarditis, Constrictive/diagnosis , Pericardium/radiation effects , Radiation Injuries/diagnosis , Time Factors
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