Publications by authors named "Dhaliwal M"

Objective: To study the clinical features and laboratory parameters of neonatal lupus erythematosus (NLE) from India.

Patients And Methods: We analyzed case records of children diagnosed with NLE in the Pediatric Rheumatology Clinic at tertiary care centre from North India during the period January 1999 - December 2023.

Results: Twenty-four babies are diagnosed with NLE during the study period.

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The article elucidates the management of a case of severe form of grade III hypertelorism with an intercanthal distance of 61 mm in a 4-year-old child. The management was especially challenging because of the patient's young age, degree of hypertelorism, wide cleft and simultaneous presence of 2 big (sincipital & basal) encephaloceles and a lipoma in the midline. This paper attempts to describe the attempted surgery, postoperative course and the learnings derived from its management to probably create a road-map for surgeons faced with such a challenge in future.

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Article Synopsis
  • Hereditary angioedema (HAE) is a rare genetic disorder that presents differently in children versus adults, and research is limited in developing countries where treatments are often inaccessible.
  • In a study of 206 HAE patients, 61 were children under 18, with a median age of symptom onset at 6.2 years and diagnosis at 10.7 years, showing a median diagnostic delay of nearly 5 years.
  • The most common symptoms in children included facial swelling and extremity swelling, while gastrointestinal symptoms were less frequent compared to adults; the study represents the largest pediatric HAE cohort from a resource-constrained setting.
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Background: Anti-MDA5 autoantibody-positive dermatomyositis (MDA5-DM) is associated with clinically amyopathic forms and rapidly progressive interstitial lung disease (ILD); however, data in children are limited. In this study, we described our cohort of anti-MDA5-positive juvenile DM (MDA5-JDM) from a tertiary care center in North India.

Methods: We performed a retrospective analysis of children with MDA5-JDM who were diagnosed and followed up at our center and compared them with our anti-MDA5-negative cohort.

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  • Kawasaki disease (KD) is a serious condition primarily affecting children, characterized by fever and inflammation of medium blood vessels, but its exact causes are still unclear despite ongoing research.
  • Recent advancements in single-cell RNA sequencing (scRNA-seq) have enhanced our ability to study the immune response and molecular pathways involved in KD, offering insights beyond what was previously possible.
  • This article highlights how scRNA-seq can identify specific immune cell behaviors and potential treatment strategies, aiming to improve diagnostic and therapeutic approaches for KD in the future.
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Timely diagnosis and management of pediatric acute liver failure (PALF) is of paramount importance to improve survival. The Indian Society of Pediatric Gastroenterology, Hepatology, and Nutrition invited national and international experts to identify and review important management and research questions. These covered the definition, age appropriate stepwise workup for the etiology, non-invasive diagnosis and management of cerebral edema, prognostic scores, criteria for listing for liver transplantation (LT) and bridging therapies in PALF.

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  • Common Variable Immune Deficiency (CVID) is the most common primary immune deficiency in adults and is linked to higher rates of Non-Hodgkin Lymphomas (NHLs).
  • The review discusses changes in immune cells, genetic factors, and tissue pathology specifically related to NHLs in CVID patients.
  • Immune defects in CVID, such as reduced T cell types and alterations in B cells, along with genetic markers and signaling pathways, may contribute to increased lymphoma risk and require further research to identify potential prognostic indicators.
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Introduction: Inborn errors of immunity (IEI) are a group of genetically heterogeneous disorders with a wide-ranging clinical phenotype, varying from increased predisposition to infections to dysregulation of the immune system, including autoimmune phenomena, autoinflammatory disorders, lymphoproliferation, and malignancy. Lymphoproliferative disorder (LPD) in IEI refers to the nodal or extra-nodal and persistent or recurrent clonal or non-clonal proliferation of lymphoid cells in the clinical context of an inherited immunodeficiency or immune dysregulation. The Epstein-Barr virus (EBV) plays a significant role in the etiopathogenesis of LPD in IEIs.

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  • This text indicates that there has been a correction made to a specific article.
  • The article can be located using its Digital Object Identifier (DOI): 10.1371/journal.pgph.0002758.
  • Readers should refer to this correction for updated or accurate information regarding the article.
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Introduction: Adolescent overdoses have been rising over the past decade. Emergency department (ED) visits for both acute overdoses and for adolescents in opioid withdrawal have risen post-COVID. Urine drug screens have poor utility in the ED but are routinely obtained for medical clearance and in the management of patients with substance use disorder.

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Community action is broadly recognised as central to comprehensive and effective system responses to pandemics. However, there is uncertainty about how and where communities can be best supported to bolster long-term resilience and preparedness. We applied a typology of community interventions (Community Informing, Consulting, Involving, Collaborating or Empowering-or CICICE) to cover the diverse range of interventions identified across the literature and used this to structure a scoping review addressing three linked topics: (i) how CICICE interventions have been understood and applied in the literature on epidemic and pandemic preparedness; (ii) the spectrum of interventions that have been implemented to strengthen CICICE and (iii) what evidence is available on their effectiveness in influencing preparedness for current and future emergencies.

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Objective: We sought to answer the question of how adolescents (ages 12-17 years old) with opioid-related presentations are currently managed in the ED. The two main outcomes were the proportion of visits where naloxone and buprenorphine were both used and prescribed, and the rate of revisits to the emergency department in the six months following ED presentation.

Methods: This was a multi-center retrospective cross-sectional study.

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Background: Deficiency of C1-inhibitor (C1-INH) protein, caused by pathogenic variants in the Serpin family G member 1 (SERPING1) gene, is the commonest pathophysiological abnormality (in ∼95 % cases) in patients with hereditary angioedema (HAE). C1-INH protein provides negative control over kallikrein-kinin system (KKS). Although the inheritance of the HAE-C1-INH is autosomal dominant, female predominance has often been observed in patients with HAE.

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Background And Objectives: The mechanisms underlying COVID-19-associated pulmonary mucormycosis (CAPM) remain unclear. We use a transcriptomic analysis of the innate immune cells to investigate the host immune and metabolic response pathways in patients with CAPM.

Patients And Methods: We enrolled subjects with CAPM (n = 5), pulmonary mucormycosis (PM) without COVID-19 (n = 5), COVID-19 (without mucormycosis, n = 5), healthy controls (n = 5) without comorbid illness and negative for SARS-CoV-2.

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Article Synopsis
  • X-linked lymphoproliferative syndrome (XLP) is a rare genetic immune deficiency with two types: XLP-1 and XLP-2, identified in a study of 7 patients from a Pediatric Immunodeficiency Clinic.
  • Patients were diagnosed at an average age of 3.8 years, with many experiencing recurrent infections and episodes of hemophagocytic lymphohistiocytosis (HLH), particularly in those with XLP-2.
  • Genetic analysis revealed known and novel gene variants, leading to various treatments, including immunoglobulin therapy and stem cell transplantation; however, one patient with XLP-2 and Wiskott-Aldrich syndrome died from pneumonia.
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  • Kawasaki disease (KD) is a common childhood vasculitis with unknown causes, characterized by potential complications like coronary artery abnormalities.
  • KD primarily affects children under 5, has a higher incidence in males, and is more prevalent in North East Asia, although cases are rising in developing countries.
  • Various theories regarding its etiology include possible links to environmental factors, seasonal peaks, socioeconomic status, and genetic risk alleles, with ongoing research seeking to clarify these connections and improve understanding of the disease.
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Background: Hereditary angio-oedema (HAE) is a rare autosomal dominant disorder characterized clinically by recurrent episodes of nonpruritic subcutaneous and/or submucosal oedema. Laryngeal oedema is the commonest cause of mortality in patients with HAE. Prior to the availability of first-line treatment options for the management of HAE, mortality was as high as 30%.

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Background: Dedicator of cytokinesis protein 8 (DOCK8) deficiency is an autosomal recessive form of combined immunodeficiency. This rare disorder is characterized by an increased predisposition to allergy, autoimmunity and malignancies.

Objectives: To analyse clinical, immunological and molecular profiles of patients with DOCK8 deficiency.

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Chronic granulomatous disease (CGD) is a phagocytic defect characterized by recurrent bacterial and fungal infections. We report clinical profile of patients with CGD and mycobacterial infections in a cohort from North India. A review of clinical and laboratory records was carried out for patients with CGD registered at our center between 1990 and 2021.

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The exact etiopathogenesis of Kawasaki disease (KD), the most common childhood vasculitis, remains unknown; however, an aberrant immune response, possibly triggered by an infectious or environmental agent in genetically predisposed children, is believed to be the underlying pathogenetic mechanism. Patients with inborn errors of immunity (IEI) are predisposed to infections that trigger immune dysregulation due to an imbalance in various arms of the immune system. KD may develop as a complication in both primary and secondary immunodeficiencies.

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Objectives: We describe our experience with use of midline catheters in PICU and compare the performance of midline catheters to peripherally inserted central catheters (PICC).

Methods: A review of hospital records was done to including all pediatric patients admitted in the pediatric intensive care unit of a tertiary care centre who underwent placement of midline catheters or PICC, over a period of 18 months (July, 2019 to January, 2021). Patient details, indication, type of catheter and number of attempts at insertion, type and number of infusions administered, dwell time and complications were retrieved from the records.

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