Publications by authors named "Keshav Goyal"

Background: Rising antimicrobial resistance (AMR) necessitates innovative metrics, such as days of antibiotic spectrum coverage (DASC), to optimize antibiotic stewardship. This study evaluated antibiotic use in an Indian trauma center using DASC, defined daily doses (DDD), and the World Health Organization (WHO) Access, Watch, Reserve (AWaRe) classification.

Methods: This retrospective cohort study analyzed data from 1,812 adult inpatients (mean age: 35 years; 70% male; 80% with polytrauma) admitted to a 250-bed Level-1 Trauma Center at the All India Institute of Medical Sciences (AIIMS), India, from August to October 2022.

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Introduction: Catheter-associated urinary tract infections (CAUTIs) are one of the most common device-associated infections acquired in a hospital. Trauma patients are highly susceptible to CAUTI, as catheterization is a lifesaving measure often required for their management. This study focuses on the profile of CAUTI, the organism profile with antibiotic susceptibility patterns, and the clinical outcomes in the ICUs of a trauma care center.

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Alzheimer's disease (AD) is a neurodegenerative condition that results in brain shrinkage and the death of brain cells. The search for new treatment agents with many targets is now crucial due to the insufficient effectiveness, and adverse effects, including pharmacokinetic issues of traditional AD medications. Although phytochemicals have anti-disease characteristics and thus are widely used and accepted by people, researchers have also determined some of their most beneficial functions.

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Aim: The aim of the current study was to evaluate crestal bone loss by utilizing flapless and flap implant placement procedures.

Methods: For this investigation, a total of 60 patients who met the inclusion criteria were chosen. Following selection, patients were split evenly into two study groups: flap surgery and flapless surgery for implant placement.

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Article Synopsis
  • The text discusses improvements to the Gilbert-Varshamov (GV) bound for constrained systems, which is a fundamental concept in coding theory.
  • It highlights the work done by Kolesnik and Krachkovsky in 1991, who connected the GV bound to an optimization problem, and the enhancements made by Marcus and Roth in 1992.
  • The authors present numerical methods to solve these optimization challenges and demonstrate how these methods can be simplified for specific cases, ultimately providing formulas for scenarios with a single state.
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Introduction The current research sets out to assess implant early survival rates and identify relevant parameters. Methods The research spanned the years 2021 and 2022 and included all individuals who had dental implants. Various criteria, such as age, sex, maxilla/mandible, implant location, immediate implant, implant diameter, implant length, and others, were used to determine the implant survival rate in the research.

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Background: In traumatic brain injuries (TBI), cerebral microdialysis (CMD)-derived parameters, especially the lactate to pyruvate ratio (LP ratio), have been utilized for cerebral perfusion optimization. The objectives were to identify cerebral ischemia as measured by CMD in TBI patients requiring decompressive craniectomy and to observe the correlation between cerebral perfusion pressure (CPP), intracranial pressure (ICP), and CMD variables in these patients. Our secondary aim was to observe the effect of CPP augmentation on ischemia biomarkers.

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Background And Aims: There are two approaches for ultrasound (US)-guided vessel cannulation: the short axis (SA) approach and the long axis (LA) approach. However, it remains to be seen which approach is better. Therefore, we performed the present updated systematic review and meta-analysis to assess the effectiveness and safety of US-guided vascular cannulation between the SA and LA techniques.

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Due to rising environmental and global public health concerns associated with environmental contamination, human populations are continually being exposed to environmental toxicants, including physical chemical mutagens widespread in our environment causing adverse consequences and inducing a variety of neurological disorders in humans. Physical mutagens comprise ionizing and non-ionizing radiation, such as UV rays, IR rays, X-rays, which produces a broad spectrum of neuronal destruction, including neuroinflammation, genetic instability, enhanced oxidative stress driving mitochondrial damage in the human neuronal antecedent cells, cognitive impairment due to alterations in neuronal function, especially in synaptic plasticity, neurogenesis repression, modifications in mature neuronal networks drives to enhanced neurodegenerative risk. Chemical Mutagens including alkylating agents (EMS, NM, MMS, and NTG), Hydroxylamine, nitrous acid, sodium azide, halouracils are the major toxic mutagen in our environment and have been associated with neurological disorders.

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Chin-on- chest deformity is not uncommon sequelae of ankylosing spondylitis. Apart from difficult airway, several other considerations might include co-existing cardio-respiratory embarrassment, osteoporotic bones, and neurological perturbations. We describe the successful anesthetic management of a case of chin-on-chest deformity with no access to midline neck structures and extremely difficult airway posted for corrective spine surgery.

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Nanotechnology has been extensively exploited for its enormous therapeutic and diagnostic potential in the management of multiple disorders. It employs nanomaterials as drug carriers with enhanced efficacy and limited side effects on normal tissues. A lot of nanomaterials have been studied and produced, imminently reforming the treatment and diagnostics of numerous malignancies, including cancer.

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Background All medical graduates must know how to stabilize and manage critically ill patients. A 2-day intensive course, called the acute critical care course (ACCC), was conducted to train interns in technical and non-technical skills for managing a patient whose condition is deteriorating. This analysis aims to assess the feasibility and effectiveness of ACCC for interns.

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Article Synopsis
  • * Conducted with 40 residents using a mannequin, the results showed that PVWP occurred significantly more in the SA group (40%) compared to the LA group (17.5%), while there were no carotid punctures in either group.
  • * Residents reported greater confidence in placing the needle intraluminally when using the LA approach (average score of 8.32) versus the SA approach (average score of 5.95).
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Study Design: Retrospective chart review.

Objectives: The primary aim was to identify the number of patients requiring vasopressors beyond the first week of cervical spinal cord injury (SCI). Secondary objectives were to note the type, duration and doses of vasopressors and any association between prolonged vasopressors use and outcome.

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Background: . Effective patient-doctor communication is a key component of patient-centred care, which is one of the six pillars of quality healthcare delivery. Structured and effective communication skills training for healthcare providers is the need of hour in medical education.

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Environmental mutagens are chemical and physical substances in the environment that has a potential to induce a wide range of mutations and generate multiple physiological, biochemical, and genetic modifications in humans. Most mutagens are having genotoxic effects on the following generation through germ cells. The influence of germinal mutations on health will be determined by their frequency, nature, and the mechanisms that keep a specific mutation in the population.

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Cyanotic congenital heart disease (CCHD) is often associated with more than one cardiac anomaly with unique hemodynamic pattern, hence presenting a plethora of challenges to non-cardiac anesthesiologists. Understanding the pathophysiology of the cardiac lesion and constructing a cardiac grid can help in determining intraoperative hemodynamic goals and facilitate smooth perioperative management of such patients. This case report describes the anesthetic management of an infant with dextro-transposition of great arteries (dTGA) with a large atrial septal defect, ventricular septal defect, severe pulmonary stenosis, and patent ductus arteriosus posted for excision and repair of occipital meningocele and highlights the role of cardiac grid in clarifying anesthetic goals and ensuring better outcomes.

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Background: Paroxysmal sympathetic hyperactivity (PSH) is a grave entity affecting patients following traumatic brain injury (TBI). It presents with cyclic and simultaneous fever, posturing, and other symptoms of sympathetic hyperactivity. Lack of diagnostic tests or biochemical markers and its propensity to mimic other common causes of fever in the neurotrauma intensive care unit (ICU) result in clinical dilemmas and management delay.

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Study Design: Descriptive retrospective.

Objectives: To evaluate the burden of respiratory morbidity in terms of ventilator dependence (VD) days and length of stay in neurotrauma ICU (NICU) and hospital, and to determine mortality in patients with traumatic cervical spinal cord injury (CSCI) in a low middle-income country (LMIC).

Setting: Jai Prakash Narayan Apex Trauma Center (JPNATC), All India Institute of Medical Sciences (AIIMS), New Delhi, India.

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Background: Device-associated infections (DAIs) are an important cause of excessive stay and mortality in ICUs. Trauma patients are predisposed to acquire such infections due to various factors. The prevalence of HAIs is underreported from developing nations due to a lack of systematic surveillance.

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Article Synopsis
  • Traumatic brain injury (TBI) is a leading cause of trauma-related deaths, and measuring the biomarker procalcitonin (PCT) may help assess injury severity and predict patient outcomes, particularly mortality.
  • The study aims to correlate PCT levels with TBI patient outcomes at ICU discharge and examine its relationship with extracranial injuries and complications during hospitalization.
  • Findings suggest that higher PCT levels at admission are associated with increased mortality from CNS injuries, while certain PCT thresholds on day 2 can indicate risks for secondary causes of death like sepsis.
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The loss of dopaminergic neurons from the substantia nigra pars compacta characterizes the classical pathology of Parkinson's disease (PD). Deep brain stimulation (DBS) has become an increasingly common treatment for PD. Sometimes excessive tremors due to exacerbated PD hinder the surgery and may almost make it impossible.

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Background: Despite advances in perioperative neuroscience, there is low interest among anesthesiology trainees to pursue subspecialty training in neuroanesthesiology. We conducted a pilot survey to assess attitudes about neuroanesthesiology fellowship training.

Materials And Methods: A confidential survey was distributed to an international cohort of anesthesiology attendings and trainees between January 15, 2017 and February 26, 2017.

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Central venous catheter (CVC) insertion is a commonly done procedure but associated with some potential complications. In our case, intraoperatively we placed a CVC into the right subclavian vein of the patient for a neurosurgical procedure. Subsequently, in the neurosurgical intensive care unit, on checking the patency of the CVC, only the distal and proximal lumens were working and no backflow of blood was detected from the middle port.

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