Gaurav Sagar

ORCID: 0000-0002-2501-1107
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About
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Research Areas
  • Dialysis and Renal Disease Management
  • Central Venous Catheters and Hemodialysis
  • Chronic Kidney Disease and Diabetes
  • Renal Transplantation Outcomes and Treatments
  • SARS-CoV-2 and COVID-19 Research
  • COVID-19 Clinical Research Studies
  • Renal and Vascular Pathologies
  • Acute Kidney Injury Research
  • Healthcare Systems and Reforms
  • Neurological Complications and Syndromes
  • Blood groups and transfusion
  • Cardiac pacing and defibrillation studies
  • Big Data and Business Intelligence
  • Cardiac Arrhythmias and Treatments
  • Blood Pressure and Hypertension Studies
  • Transplantation: Methods and Outcomes
  • Cardiovascular Health and Disease Prevention
  • Long-Term Effects of COVID-19
  • Information and Cyber Security
  • Trauma, Hemostasis, Coagulopathy, Resuscitation
  • Syphilis Diagnosis and Treatment
  • Patient Satisfaction in Healthcare
  • Cerebrovascular and Carotid Artery Diseases
  • Intravenous Infusion Technology and Safety
  • Hemophilia Treatment and Research

Indraprastha Apollo Hospitals
2009-2023

Bellevue College
2022

University of Birmingham
1998

Selly Oak Hospital
1993

Sudden death is one of the more frequent causes for hemodialysis patients, but underlying mechanisms, contribution arrhythmia, and associations with serum chemistries or dialysis procedure are incompletely understood. To study this, implantable loop recorders were utilized continuous cardiac rhythm monitoring to detect clinically significant arrhythmias including sustained ventricular tachycardia, bradycardia, asystole, symptomatic in patients over six months. Serum tested pre- post-dialysis...

10.1016/j.kint.2017.11.019 article EN cc-by-nc-nd Kidney International 2018-02-12

Patients with carotid atherosclerosis are at increased risk of both stroke and ischaemic heart disease. Low-density lipoprotein (LDL) is a heterogeneous group particles, small, dense particles being more atherogenic. We studied 79 patients (51 men, mean +/- SD age 62.4 11.7 years) referred for Doppler ultrasound assessment the arteries. Evidence atherosclerosis, defined as presence atherosclerotic plaque, stenosis or occlusion in one six artery segments examined, was found 44 (56%). LDL...

10.1093/qjmed/91.5.345 article EN QJM 1998-05-01

Abstract Background Peritoneal dialysis (PD) as a modality of kidney replacement therapy (KRT) is largely underutilized globally. We analyzed PD utilization, impact economic status, projected growth and state policy(s) on in South Asia Southeast (SA&SEA) region. Methods The National Nephrology Societies the region responded to questionnaire KRT practices. responses were based latest registry data, acceptable community‐based studies societal perceptions. representative countries divided...

10.1111/nep.13949 article EN Nephrology 2021-07-27

Rationale & ObjectiveThe incidence of arrhythmia varies by time day. How this impacts individuals on maintenance dialysis is uncertain. Our objective was to quantify the relationship with day and timing dialysis.Study DesignSecondary analysis Monitoring in Dialysis study- a multicenter prospective cohort study.Settings ParticipantsLoop recorders were implanted for continuous cardiac monitoring 66 participants follow up 6 months.ExposureTime based 6-hour intervalsOutcomesEvent rates...

10.1016/j.xkme.2024.100799 article EN cc-by-nc-nd Kidney Medicine 2024-02-20

Introduction. Experience of COVID-19 in kidney transplant recipients (KTRs) with clinical presentation, management, factors influencing mortality, and antibody response is limited. Material Methods. A retrospective data KTRs was collected analyzed. The mortality rate, risk factors, were primary objectives, while the laboratory indicators, pharmacological management secondary objectives. Results. 67 polymerase chain reaction (PCR) confirmed infection reported between 1 May 2020 31 December...

10.1155/2021/3129411 article EN cc-by International Journal of Nephrology 2021-10-03

Atrial fibrillation (AF) is common in patients with kidney failure on hemodialysis (KF-HD). We determined both AF incidence and burden KF-HD using implantable loop recorder (ILR) monitoring

10.1016/j.ekir.2021.10.001 article EN cc-by-nc-nd Kidney International Reports 2021-10-19

There is a paucity of data on epidemiology along with an incomplete registry end-stage kidney disease (ESKD), nephrologist workforce, and variability among the countries Gulf Cooperation Council (GCC). The study observation, descriptive which aimed to describe current ESKD burden, density, care infrastructure in GCC. Responses questionnaire-based survey obtained from representatives Nephrology Societies GCC were analyzed. categorical variables compared using Chi-square test. A P = 5% was...

10.4103/1319-2442.338281 article EN cc-by-nc-sa Saudi Journal of Kidney Diseases and Transplantation 2021-01-01

Diffuse alveolar hemorrhage is a serious complication of the small vessel vasculitis syndromes and carries high mortality. Recombinant activated factor VII (rFVIIa) powerful hemostatic agent developed for treatment bleeding in patients with hemophilia antibodies to factors VIII or IX. It has been used increasingly life-threatening variety other settings which conventional medical surgical therapy unsuccessful. We report successful use rFVIIa massive pulmonary patient microscopic...

10.4103/0971-4065.97134 article EN Indian Journal of Nephrology 2012-01-01

ABSTRACT Background To investigate the anti-spike antibody response to vaccination in kidney transplant recipients (KTRs) previously infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) as compared KTRs no history of disease 2019 (COVID-19) from India. Methods SARS-CoV-2 spike immunoglobulin (Ig) G was measured 105 post-COVID-19 PCR-confirmed infection who received either (cohort 1), a single dose 2) or two doses 3) vaccine and 103 two-dose vaccinated COVID-19-naïve...

10.1093/ckj/sfac057 article EN cc-by-nc Clinical Kidney Journal 2022-03-01

Sir, Pulmonary strongyloidiasis is caused by the nematode Strongyloides stercoralis, which prevalent in tropical and subtropical countries.[1] During migration through lungs, larvae can lead to various pulmonary manifestations. The accelerated autoinfection patients with altered immune status leads hyperinfection a lethal entity.[2] Our case was renal allograft recipient who presented mild chest symptoms that worsened subsequent days. imaging showed diffuse shadows; diagnostic...

10.4103/0970-2113.192860 article EN cc-by-nc-sa Lung India 2016-01-01

Data comparing the clinical spectrum of COVID-19 in kidney transplant recipients (KTRs) during first and second waves pandemic India is limited. Our single-center retrospective study compared profile, mortality, associated risk factors KTRs with 1st wave (1st February 2020 to 31st January 2021) March-31st August 2021). 156 PCR confirmed SARS-CoV-2 infection treated at a tertiary care hospital New Delhi were analyzed. The demographics baseline characteristics patients diagnosed both...

10.1155/2022/9088393 article EN cc-by International Journal of Nephrology 2022-06-02

Our study presents an analysis of the trends ABO antibody titers and TPE (therapeutic plasma exchange) procedures required pre- post-ABO-incompatible renal transplant. Twenty-nine patients underwent ABO-incompatible transplant during period. The were done using tube technique titer reported was dilution at which 1+ reaction observed. baseline anti-A anti-B antibodies determined. targeted ≤8. Patients subjected to 1 volume exchange with 5% albumin 2 units AB group FFP (fresh frozen plasma) in...

10.1016/j.apme.2016.02.003 article EN other-oa Apollo Medicine 2016-03-01

Abstract Aim This cross‐sectional survey aimed to determine the prevalence of Interventional Nephrology (IN) practice amongst nephrologists in Asia‐Pacific Region (APR), specifically related dialysis access (DA). Methods The Association VA and intervenTionAl Renal physicians (AVATAR) Foundation from India conducted a multinational online IN planning, creation, management access. treatment modalities, manpower equipment availability, monthly cost treatment, specifics interventions, challenges...

10.1111/nep.14236 article EN Nephrology 2023-09-11

Our study presents an analysis of the trends ABO antibody titers and TPE (Therapeutic Plasma Exchange) procedures required pre post incompatible renal transplant.Twenty nine patients underwent transplant during period. The were done using tube technique titer reported was dilution at which 1+ reaction observed. baseline anti-A anti-B antibodies determined. targeted ≤8. Patients subjected to 1 plasma volume exchange with 5% albumin 2 units AB group FFP (Fresh Frozen Plasma) in each sitting....

10.4103/0973-6247.200767 article EN cc-by-nc-sa Asian Journal of Transfusion Science 2017-01-01

ABO incompatibility and preformed antibodies against the human leukocyte antigen (HLA) are two impermissible barriers to a successful renal transplantation, especially in highly sensitized patient population. With availability of effective desensitization regimens, good graft outcomes have been reported. As transfusion medicine specialists we report our experience, where presented with dual histocompatibility i.e. along donor-specific (DSA) negative complement dependent lymphocytotoxicity...

10.4103/1319-2442.235194 article EN cc-by-nc-sa Saudi Journal of Kidney Diseases and Transplantation 2018-01-01

BACKGROUND AND AIM: Renal transplantation (RT) is the most successful and ideal renal replacement therapy for end-stage disease patients. allograft rejection has always been one of major barriers in RT. Our aim was to report role therapeutic plasma exchange (TPE) acute humoral (AHR) patients who underwent live-related RT (LRRT) their outcome at our center. MATERIALS METHODS: A prospective observational study conducted from July 1, 2014, December 31, 2016. Patients with biopsy-proven AHR...

10.4103/ajts.ajts_5_19 article EN cc-by-nc-sa Asian Journal of Transfusion Science 2021-01-01

Kidney biopsy (KB) is the gold standard procedure for diagnosing kidney diseases. Globally, nephrologists are trained to perform KB. However, past few decades have witnessed a transition where interventional radiologists (IRs) now preferentially performing procedure. Our survey-based cross-sectional study aimed investigate current trends of KB operators in Asia-Pacific region (APR) practicing nephrologists.

10.5414/cn111203 article EN Clinical Nephrology 2023-12-29
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