Publications by authors named "Chhabra S"

Background: Post-transplant cyclophosphamide (PTCy) is a commonly used graft-vs-host disease (GVHD) prophylaxis, particularly in the setting of haploidentical (haplo) hematopoietic cell transplantation (HCT). The rate of graft failure has been reported to be as high as 12-20% in haplo-HCT recipients using PTCy. The objective of this study was to determine if donor type influenced the risk of late graft failure following RIC HCT using PTCy-based GVHD prophylaxis.

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  • Abrocitinib is a new oral medication that specifically inhibits JAK-1, targeting inflammation pathways.
  • It is currently approved for moderate-to-severe atopic dermatitis and shows potential for treating other inflammatory skin conditions.
  • Clinical trials have confirmed its effectiveness and safety, but its future use will depend on practicality within the Indian healthcare context.
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  • The study investigated the effectiveness of measuring collapsibility index (CI) of the subclavian vein (SCV) versus the inferior vena cava (IVC) in predicting hypotension after general anesthesia induction in 132 adult patients.
  • During quiet breathing, the SCV-CI and IVC-CI had similar sensitivities and specificities, with SCV-CI showing a sensitivity of 68% and IVC-CI showing 70% for predicting postinduction hypotension.
  • The findings suggest both measurement methods are moderately accurate, with a significant positive correlation between SCV-CI and IVC-CI, especially during quiet breathing.
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  • The study investigates the effects of adding dexmedetomidine as premedication to ketofol for sedation in children undergoing MRI, aiming to improve sedation quality and reduce movement artifacts during scans.
  • A total of 132 children aged 6 months to 10 years were divided into two groups: one receiving dexmedetomidine and ketofol (DK group) and the other receiving only ketofol (K group). Results showed that the DK group had significantly better sedation quality and scan quality, along with lower propofol dosage.
  • The conclusion indicates that administering dexmedetomidine prior to induction enhances sedation quality, reduces the need for additional propofol, and maintains
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Objective: To investigate whether induction/augmentation of labor in pregnant women with anemia increases the risk of postpartum hemorrhage (PPH) and whether this risk varied by indications for labor induction/augmentation and by anemia severity in pregnancy.

Methods: In a prospective cohort study of 9420 pregnant women from 13 hospitals across India, we measured hemoglobin concentrations at recruitment (≥28 weeks of gestation) and blood loss after childbirth during follow-up and collected clinical information about PPH. Clinical obstetric and childbirth information at both visits were extracted from medical records.

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  • A thymoma is a rare, aggressive tumor of the thymus gland that can lead to complications like recurrence and autoimmune disorders, and its relationship with myelodysplastic syndrome (MDS) is not fully understood.
  • The case study involves a 69-year-old male with a history of recurrent thymoma and the later development of MDS, despite multiple treatment attempts including surgery and various therapies.
  • This situation highlights the need for more research into the connection between thymoma and hematologic disorders, as well as the importance of a multidisciplinary approach in managing such complex cases for better patient outcomes.
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TP53-mutant mantle cell lymphoma (MCL) is associated with poor survival outcomes with standard chemoimmunotherapy. Dual BTK and BCL2-inhibition with or without anti-CD20 monoclonal antibody therapy has shown promising activity in TP53-mutant MCL. We conducted a multi-center phase 2 study of zanubrutinib, obinutuzumab, and venetoclax (BOVen) in untreated MCL patients with TP53 mutation.

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  • The study aims to examine the incidence and types of drug abuse among individuals under 30 years old who have experienced acute coronary syndrome (ACS).
  • The research involved 153 patients, with 17 patients (11.1%) identified as drug abusers; common substances included opium, energy drinks, whey protein, inhaled marijuana, and heroin.
  • Results indicate a significant increase in drug abuse trends over time, signaling a need for strict regulations to address this growing issue as it is a modifiable risk factor for ACS in young adults.
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  • The study investigates the effectiveness of Fluorine 18-labelled tetrafluoroborate ([F]TFB) as an imaging alternative to iodine for assessing metastatic thyroid cancer and potential radioiodine treatment success.
  • Five patients participated in the research, receiving both [F]TFB and iodine imaging on the same day. Results showed that [F]TFB identified 58% of lesions compared to 91% for iodine imaging, indicating its lower sensitivity.
  • The conclusion drawn highlights that [F]TFB did not successfully predict iodine uptake in patients undergoing redifferentiation therapy, raising questions about its reliability for other treatment cases or in untreated patients.
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Objectives: This study was designed to assess computed tomography (CT)-based radiomics of colorectal liver metastases (CRLM), extracted from posttreatment scans in estimating pathologic treatment response to neoadjuvant therapy, and to compare treatment response estimates between CT-based radiomics and radiological response assessment by using RECIST 1.1 and CT morphologic criteria.

Methods: Patients who underwent resection for CRLM from January 2003-December 2012 at a single institution were included.

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  • - Bronchiolitis obliterans syndrome (BOS) is a serious lung condition that can develop after receiving a stem cell transplant, and this study tested the effectiveness of ruxolitinib in treating it.
  • - The trial involved 49 adult participants divided into two groups based on how recently they were diagnosed with BOS; results showed that 27.8% of newly diagnosed patients improved, while 92.3% of those with established BOS maintained stable lung function after treatment.
  • - Overall, ruxolitinib had a lung-specific response rate of 34.7% among all participants with most positive outcomes seen in patients with mild to moderate disease, indicating it could be a beneficial treatment option for BOS
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  • Ciltacabtagene autoleucel (cilta-cel) CAR-T therapy was approved in 2022 for treating patients with multiple myeloma who have not responded to other treatments.
  • Out of 255 patients, 236 received the therapy, and many of them didn't qualify for earlier trials, but the results were still positive.
  • Most patients experienced some side effects, but many showed good responses to the treatment, with a significant percentage remaining cancer-free after one year.
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Aim: The purpose of the study was to find out the incidence of the middle mesial canal in mandibular molars by using five different techniques.

Materials And Methods: A total of 150 extracted human mandibular first molars were selected, and cone beam computed tomography (CBCT) images were taken. Then, conventional access cavities were made, followed by troughing under dental loupes (3X), and were also examined under a dental operating microscope (DOM) (6X).

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Direct pulp capping (DPC) is a vital pulp therapy, wherein accidental or carious pulp exposures can be capped with various materials to induce reparative dentine formation. One of the major factors that determine the success of direct pulp capping procedures is the material used. Therefore, it is of interest to evaluate and compare the efficacy of a new material, Tristrontium aluminate in comparison with the widely used materials such as ProRoot MTA, Biodentine & TheraCal LC.

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  • The study investigates the effectiveness of axatilimab, a CSF1R-blocking antibody, for treating chronic graft-versus-host disease (GVHD) in patients post-hematopoietic stem-cell transplantation.
  • In a phase 2 trial involving 241 participants, different doses of axatilimab were tested, with overall response rates of 74%, 67%, and 50% across three dose groups.
  • Alongside substantial improvement in GVHD symptoms measured by patient-reported outcomes, the most frequent side effects were temporary lab abnormalities linked to the treatment.
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Background: Meningioma is the most prevalent primary intracranial brain tumor and accounts for one-third of all CNS tumors. Meningioma is known to be the most common yet life-threatening brain tumor with a higher recurrence rate. Globally, there is an increase in the healthcare burden due to meningioma and hence in its research.

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Intralesional steroids commonly used for keloid treatment have adverse effects like cutaneous atrophy and telangiectasias. Safer and more effective therapies are needed. Preliminary studies suggest intralesional vitamin D as a potential alternative treatment.

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Leprosy remains a significant public health concern despite major strides in treatment and control efforts. The Global Leprosy Strategy 2021-2030 and the National Strategic Plan for Leprosy 2023-2027 majorly focus on facilitating action to reach the goal of zero leprosy. Exploration of new treatment regimens is emphasized as one of the verticals of the multipronged approach for reaching the aforementioned goals.

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The 'rule-of-6' prediction tool was shown to be able to identify COVID-19 patients at risk of adverse outcomes. During the pandemic, we frequently observed hyponatremia at presentation. We sought to evaluate if adding hyponatremia at presentation could improve the 'rule-of-6' prediction tool.

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Alexander Fleming's discovery of penicillin is one of the most significant breakthroughs in medical history, revolutionizing the treatment of bacterial infections and saving countless lives. This report chronicles Fleming's journey from his early life in rural Scotland to his pioneering work in bacteriology. It delves into his medical education and career, including his formative experiences during World War I that shaped his future research.

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  • - Post-transplant cyclophosphamide (PT-Cy) is becoming the standard treatment to prevent graft-versus-host disease (GVHD) in patients who undergo allogeneic hematopoietic stem cell transplant (alloHCT), but it can cause endothelial damage.
  • - The study investigates whether the endothelial activation and stress index (EASIX) score can predict non-relapse mortality (NRM) in patients receiving PT-Cy, alongside the hematopoietic cell transplantation-specific comorbidity index (HCT-CI) and other survival factors.
  • - Findings from analyzing 199 patients reveal that a high EASIX score significantly correlates with increased NRM (34.5% vs. 12
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Background And Objective: At present, there is no consensus regarding the most optimal dural substitute to use for duroplasty in primary decompressive craniectomy (PDC) for traumatic brain injury (TBI). The author's objective was to conduct a retrospective analysis comparing 2 techniques of PDC: duroplasty using anterior-based vascularized galea pericranium (VP group) with synthetic dural substitute duroplasty (SR group).

Methods: From April 2015 to February 2022, 379 craniotomies were done for TBI.

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