Publications by authors named "Guleria V"

Transcatheter caval valve implantation (CAVI) is an emerging treatment option for inoperable patients with severe tricuspid regurgitation (TR). We present a case of a 76-year-old lady with severe TR and recurrent right heart failure who improved after CAVI. This is the first such case in a rare environment.

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Aim: The genetic polymorphism of CYP2C19 influences clopidogrel metabolism and resistance. Aim was to assess the association between CYP2C19 loss of function variation, clopidogrel resistance based on platelet reactivity units and clinical outcomes.

Methods: A total of 668 patients of Acute Coronary Sundrome (ACS) who underwent Percutaneous Coronary Intervention (PCI) were subjected to genetic screening and 143 patients undrewent platelet function test to study the association between drug metabolization and its effects based on platelet reactivity unit values.

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Background: Spondyloepimetaphyseal dysplasia with joint laxity type 3 (SEMDJL3) is a rare skeletal dysplasia associated with EXOC6B, a component of the exocyst complex, involved in vesicle tethering and exocytosis at the plasma membrane. So far, EXOC6B and the pathomechanisms underlying SEMDJL3 remain obscure.

Methods And Results: Exoc6b was detected largely at the perinuclear regions and the primary cilia base in ATDC5 prechondrocytes.

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Introduction: Transcatheter Aortic Valve Implantation (TAVI) techniques gradually evolved since 2002 and have undergone various refinements. Achieving optimal implantation depth has become crucial for good long term outcome. High implantation decreases the likelihood of conduction disturbances.

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Article Synopsis
  • Clopidogrel is commonly used to prevent heart-related issues in patients with coronary artery disease, but its effectiveness can vary due to genetic differences in the CYP2C19 gene, especially among South Asians who are at higher cardiac risk.
  • A study involving 1191 South Asian Indian individuals revealed a genetic link between CYP2C19 variants and acute coronary syndrome (ACS), highlighting that people with certain polymorphisms, like the *2 allele, are at increased risk, while the *17 allele may offer protective benefits.
  • Understanding these genetic influences is crucial for optimizing clopidogrel therapy and improving treatment outcomes for patients in this population.
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Retrieval of a buddy wire following coronary stenting of long, tortuous, and calcified lesions runs the risk of wire entrapment and stent deformation. We report a case of successful percutaneous extraction of a longitudinally deformed coronary stent during retrieval of jailed buddy wire from the left anterior descending artery. ().

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Article Synopsis
  • The study investigated thrombosis occurrence in healthy soldiers at high altitudes, finding significantly higher rates of both venous and arterial thrombosis compared to near-sea-level environments.
  • Key physiological changes included increased coagulation factors and reduced levels of natural anticoagulants in those with thrombosis, alongside elevated inflammation and endothelial dysfunction markers.
  • These findings suggest that altitude may exacerbate thrombosis risk due to distinct biological mechanisms, highlighting the need for further research and awareness in high-altitude environments.
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The aedes mosquito-borne dengue viruses cause dengue fever, an arboviral disease (DENVs). In 2019, the World Health Organization forecasts a yearly occurrence of infections from 100 million to 400 million, the maximum number of dengue cases ever testified worldwide, prompting WHO to label the virus one of the world's top ten public health risks. Dengue hemorrhagic fever can progress into dengue shock syndrome, which can be fatal.

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Backrground: Transcatheter aortic valve replacement (TAVR) has become an accepted modality of treatment in intermediate and high surgical risk patients of symptomatic severe calcific aortic stenosis (AS). We herein report Indian data of 84 intermediate and high-risk patients who underwent TAVR at two Armed Forces cardiac centres.

Methods: Most of the patients underwent TAVR in cardiac catheterization lab by percutaneous transfemoral approach, under conscious sedation.

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Spondylo-epi-metaphyseal dysplasias with joint laxity, type 3 (SEMDJL3) is a genetic skeletal disorder characterized by multiple joint dislocations, caused by biallelic pathogenic variants in the EXOC6B gene. Only four individuals from two families have been reported to have this condition to date. The molecular pathogenesis related to primary ciliogenesis has not been enumerated in subjects with SEMDJL3.

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Aim: Coronary artery disease (CAD) is a major health problem in developed and developing nations. Development of CAD involves a complex interaction between genetics and lifestyle factors. Individuals with high-risk genetic predisposition along with poor lifestyle are more inclined to the development of CAD.

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Primary cilia are non-motile sensory cell-organelle that are essential for organismal development, differentiation, and postnatal homeostasis. Their biogenesis and function are mediated by the intraflagellar transport (IFT) system. Pathogenic variants in IFT52, a central component of the IFT-B complex is associated with short-rib thoracic dysplasia with or without polydactyly 16 (SRTD16), with major skeletal manifestations, in addition to other features.

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Objective: RADPAD is a lead-free sterile drape that reduces scattered radiation during fluoroscopic procedures. We aimed to study the effect of using RADPAD on primary operator (PO) and secondary operator (SO) during coronary angiography (CAG) as well as percutaneous coronary intervention (PCI).

Methods: 137 patients undergoing elective CAG and PCIwere randomized in a 1:1 pattern with or without the RADPAD.

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Objective: Malaria is an ancient disease that still causes more than 200 million of cases 7 with high mortality globally. Identification of new drug targets and development of novel antimalarial drugs with unique mode of action encounter the drug resistance and reduce the mortality by parasites. Actin protein is one of the key proteins in playing multifarious important roles including transport, cell motility, cell division, and shape determination.

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Biallelic loss of function variants in TRIP11 encoding for the Golgi microtubule-associated protein 210 (GMAP-210) causes the lethal chondrodysplasia achondrogenesis type 1A (ACG1A). Loss of TRIP11 activity has been shown to impair Golgi structure, vesicular transport, and results in loss of IFT20 anchorage to the Golgi that is vital for ciliary trafficking and ciliogenesis. Here, we report four fetuses, two each from two families, who were ascertained antenatally with ACG1A.

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RNA exosome is a highly conserved ribonuclease complex essential for RNA processing and degradation. Bi-allelic variants in exosome subunits EXOSC3, EXOSC8 and EXOSC9 have been reported to cause pontocerebellar hypoplasia type 1B, type 1C and type 1D, respectively, while those in EXOSC2 cause short stature, hearing loss, retinitis pigmentosa and distinctive facies. We ascertained an 8-months-old male with developmental delay, microcephaly, subtle dysmorphism and hypotonia.

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Previous coronary artery bypass surgery (CABG) is an independent risk factor for coronary perforation (CP) during percutaneous coronary intervention (PCI) because of complexity of the cases. However in patients with prior CABG surgery, cardiac tamponade is rare because of local or regional pericardial adhesions.

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Leadless Pacemaker implantation rates are increasing worldwide. These pacemakers have to be deployed, captured and redeployed in order to achieve optimal electric parameters. Various complications occur during this procedure.

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Primary cilia are non-motile sensory antennae present on most vertebrate cell surfaces. They serve to transduce and integrate diverse external stimuli into functional cellular responses vital for development, differentiation and homeostasis. Ciliary characteristics, such as length, structure and frequency are often tailored to distinct differentiated cell states.

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Objective: Transcatheter closure is the first-choice strategy for the management of appropriate patients with patent ductus arteriosus (PDA). The management of large PDAs is challenging due to the limited available sizes of approved devices and the inherent risks of surgical ligation, especially in adults with calcified PDAs. This study aimed to assess the outcomes of the off-label use of large occluders at a tertiary center.

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Article Synopsis
  • The 1q21.1 microdeletion syndrome presents with a variety of symptoms, including unique facial features, small head size (microcephaly), developmental challenges, and various congenital defects like heart and eye issues.
  • In a study of two siblings who carry a deletion in the 1q21.1 region, significant differences in their clinical features were observed, even though they inherited the deletion from their unaffected father.
  • The research also reviews data from 66 other individuals with the same condition, helping to enhance the understanding of the clinical impact of this genetic variation.
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A 37-year-old man was presented in outpatient clinic of cardiology department with symptoms of easy fatigability and progressive increasing generalised anasarca since 5 months. Echocardiogram showed large mass of 9.8×7.

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Primary cardiac tumors are relatively rare, and myxoma, the most common variety, is found predominantly in the left atrium. Clinical presentation varies from asymptomatic incidental masses to serious life-threatening cardiovascular complications. Some cases are difficult to diagnose, as symptoms can be nonspecific.

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Malaria is a life-threatening disease causes huge burden on human health. Every year >200 million cases of malaria are reported globally. Researchers have carried out research on transcriptome of different stages of Plasmodium species to understand complex pathology of pathogens and to discover therapeutics.

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