Ranadhir Mitra

ORCID: 0000-0003-3772-0653
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About
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Research Areas
  • Advanced Radiotherapy Techniques
  • Radiation Therapy and Dosimetry
  • Effects of Environmental Stressors on Livestock
  • Radiation Dose and Imaging
  • Radiomics and Machine Learning in Medical Imaging
  • Stroke Rehabilitation and Recovery
  • Traumatic Brain Injury and Neurovascular Disturbances
  • Ultrasound and Hyperthermia Applications
  • Thermal Regulation in Medicine
  • Medical Imaging Techniques and Applications
  • Cardiac, Anesthesia and Surgical Outcomes
  • Acute Ischemic Stroke Management
  • Reproductive Physiology in Livestock
  • Vascular Malformations Diagnosis and Treatment
  • Growth Hormone and Insulin-like Growth Factors
  • Advanced X-ray and CT Imaging
  • Cerebrospinal fluid and hydrocephalus
  • Airway Management and Intubation Techniques
  • Tracheal and airway disorders
  • Cardiovascular and Diving-Related Complications
  • Long-Term Effects of COVID-19
  • Intracranial Aneurysms: Treatment and Complications
  • High Altitude and Hypoxia
  • Respiratory Support and Mechanisms
  • Advances in Oncology and Radiotherapy

Institute of Medical Sciences
2017-2021

CARE Hospitals
2020

All India Institute of Medical Sciences
2013-2019

All India Institute of Medical Sciences Bhopal
2017

All India Institute of Medical Sciences Raipur
2017

Swami Rama Himalayan University
2017

Gallipoli Medical Research Foundation
2015

Lady Hardinge Medical College
2014

University of Kansas
2013

Ochsner Medical Center
2005-2011

Experiments were conducted to measure the plasma levels of growth hormone [GH] and its clearance rates (k) in cattle following prolonged exposure thermoneutral (18 C, 50% RH) high ambient temperatures (35 RH). Plasma GH measured by coated charcoal radioimmunoassay from circulation was determined labeled disappearance method, while distribution space (GHDS) obtained extrapolation technique. The secretion rate estimated as product these three parameters. As compared respective values at...

10.2527/jas1972.345776x article EN Journal of Animal Science 1972-05-01

In the management of early breast cancer, a partial irradiation technique called MammoSite® (Proxima Therapeutic Inc., Alpharetta, GA) has been advocated in recent years. MammoSite, balloon implanted at surgical cavity during tumor excision is filled with radio-opaque solution, and radiation delivered via high dose rate brachytherapy source situated center balloon. Frequently air may be introduced placement and/or injection contrast solution into The purpose this work to quantify as well...

10.1118/1.1943827 article EN Medical Physics 2005-06-20

Abstract The COVID-19 pandemic caused by severe acute respiratory syndrome coronavirus (SARS-CoV-2) has rapidly spread across the world including India. Management of patients complicated with neurological illness requiring neurocritical care is challenging during this time. Patients disease may develop infection or there could be independent manifestations COVID-19. Critically ill are more vulnerable to contracting SARS-CoV-2 infection. Also, comorbidities and multisystem involvement at...

10.1055/s-0040-1714648 article EN cc-by-nc-nd Journal of Neuroanaesthesiology and Critical Care 2020-07-13

Abstract Background: Spinal instrumentation and fusion surgery presents the anaesthesiologist with multiple issues like intraoperative blood loss, hemodynamic changes, prolonged etc, but most probing aspect is analgesia. While both ketamine dexmedetomidine as adjuvants have shown to decrease anaesthetics post operative analgesic consumption there are no comparative studies. The primary aim of this study was comparison post-operative requirements for 1st 24 hours after when either drugs used...

10.4103/jnacc-jnacc-3.17 article EN cc-by Journal of Neuroanaesthesiology and Critical Care 2017-08-01

Plasma GH concentration, as estimated by radioimmunoassay increased significantly in cattle during 4 hr of acute thermal exposure. Blood hematocrit and plasma specific gravity did not change, while rectal temperature markedly. However, the rise decline levels following, respectively, onset cessation exposure preceded changes body temperature. Changes were abrupt with heat correlated environmental temperatures suggesting neural involvement skin receptors, areas hypothalamus. The possible...

10.3181/00379727-139-36304 article EN Experimental Biology and Medicine 1972-04-01

A simplified micro ELISA procedure to measure platelet-associated IgG is described. The platelet-bound first extracted into the fluid phase by solubilizing washed platelets in 0.1% triton X-100. solubilized extract and standards are incubated microtiter wells previously coated with antihuman IgG. bind solid bound then measured addition of peroxidase labeled appropriate substrate. With this method from normal controls were found have 1.7 +/- 0.6 fg IgG/platelet (mean SD). Platelets patients...

10.1093/ajcp/81.1.81 article EN American Journal of Clinical Pathology 1984-01-01

A 27-year-old woman of autosomal dominant polycystic kidney disease presented with multiple intracranial aneurysms at anterior communicating artery and left middle cerebral bifurcation. She was undergoing hemodialysis every alternate day waiting for a renal transplantation. Endovascular coiling both these performed under general endotracheal anesthesia. During the procedure special precaution taken regard to intra-procedural fluid management maintenance perfusion pressure. The remained...

10.4103/0970-9185.173318 article EN cc-by-nc-sa Journal of Anaesthesiology Clinical Pharmacology 2017-01-01

Purpose: Mary Bird Perkins Cancer Center (MBPCC) has established a Medical Physics Residency Program to provide clinical training M.S. and Ph.D. graduates of the CAMPEP‐accredited Louisiana State University (LSU)‐MBPCC Graduate Program. It approximately six students yearly, which equates need for twelve residency positions in two‐year program. To address this positions, MBPCC decided expand its maximum capacity 6 residents total 12 by developing Consortium consisting partnerships with...

10.1118/1.3613419 article EN Medical Physics 2011-06-01

Recent research has shown that treatment of tumors with localized heat (42 - 45 degrees Celsius) can cause partial or even complete tumor regression. Heating microwave energy may prove to be a viable clinical procedure. A promising approach hyperthermia applicator design is use phased array antennas rapidly scan an arbitrary volume minimal diameter beam heating spot.

10.1109/aps.1983.1149100 article EN 2005-03-23

Hypertension in the clinical setting of posterior fossa tumors is a known entity and occurs due to medullary compression by tumor. Such hypertension usually responds tumor excision. Postoperative occurring after excision has been attributed brain stem edema single report earlier, which resolved without any intervention. Here, we two pediatric patients who developed new onset refractory, persistent postoperative medulloblastoma excision, discuss possible causes prognostic significance this...

10.4103/jpn.jpn_127_17 article EN Journal of Pediatric Neurosciences 2018-01-01

Mechanical ventilation significantly affects cerebral oxygenation and blood flow through changes in arterial carbon dioxide levels. Neurosurgical patients might require mechanical for correction maintenance of the pulmonary system that occur either due to neurosurgical pathology or following surgery during acute phase. This review discusses basics relevant neurosurgeon day-to-day management patient requiring artificial support respiration.

10.4103/2277-9167.124232 article EN cc-by-nc-nd Indian Journal of Neurosurgery 2014-01-02

Ventriculoatrial (VA) shunt channel cerebrospinal fluid (CSF) from the ventricle of brain into right atrium heart. It is indicated in conditions where repetitive revisions may be required due to ventriculoperitoneal (VP) obstruction, infection or migration.[1] Shunt occlusion, bacteraemia, cardiac tamponade, rupture, thromboembolism and intracranial haemorrhage are commonly encountered complications with VA shunts.[2] However, venous air embolism (VAE) a rare complication procedure. We...

10.4103/2348-0548.182341 article EN cc-by Journal of Neuroanaesthesiology and Critical Care 2016-04-01

A 63-year-old female, weighing 84 kg, was operated for left temporo-parietal glioma. In the postoperative period, she developed infarction in region and had poor Glasgow Coma Score (E2VETM3). Since patient required prolonged mechanical ventilation, decision tracheostomy taken. However, as a short neck along with large submandibular fatty tissues, an elective surgical operating room planned.

10.4103/2348-0548.173239 article EN cc-by Journal of Neuroanaesthesiology and Critical Care 2016-01-01

Pre-irradiation annealing treatment at 150(C reduces the sensitivies of peak 4 (197(C) and 5 (209(C) whereas intensity 2 (108(C) is enhanced; TL intensities 7 (271(C) 10 (441(C) remain practically unaffected. Another peak, 6 appears about 230(C with this thermal treatment. For a 150(C, h treatment, increases by factor or 1.82 peaks are reduced factors 26 36 respectively. Similar to 7, 2, 3 also show radiation induced sensitisation. 103 Gy dosed 340(C, 30 min post-annealing followed...

10.1093/oxfordjournals.rpd.a032712 article EN Radiation Protection Dosimetry 1999-08-01
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