Search Results - "Ponnusamy, Karthikeyan"

Perioperative Blood Transfusions in Orthopaedic Surgery by Ponnusamy, Karthikeyan E, Kim, Thomas J, Khanuja, Harpal S

“…➤ Blood transfusion after orthopaedic surgery accounts for 10% of all packed red blood-cell transfusions, but use varies substantially across hospitals and…”
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Inpatient Mortality and Morbidity for Dialysis-Dependent Patients Undergoing Primary Total Hip or Knee Arthroplasty by Ponnusamy, Karthikeyan E., MD, Jain, Amit, MD, Thakkar, Savyasachi C., MD, Sterling, Robert S., MD, Skolasky, Richard L., ScD, Khanuja, Harpal S., MD

“…Background Dialysis-dependent patients can develop osteoarthritis or osteonecrosis, warranting hip or knee arthroplasty. Their comorbidities predispose them to…”
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Instrumentation of the osteoporotic spine: biomechanical and clinical considerations by Ponnusamy, Karthikeyan E., MSE, Iyer, Sravisht, BS, Gupta, Gaurav, MSE, Khanna, A. Jay, MD, MBA

“…Abstract Background context Osteoporosis is a major health-care problem that is increasing in magnitude with the aging population. Such patients are more prone…”
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Cost-Effectiveness of Total Knee Arthroplasty vs Nonoperative Management in Normal, Overweight, Obese, Severely Obese, Morbidly Obese, and Super-Obese Patients: A Markov Model by Ponnusamy, Karthikeyan E., Vasarhelyi, Edward M., Somerville, Lyndsay, McCalden, Richard W., Marsh, Jacquelyn D.

“…We estimated the cost-effectiveness of performing total knee arthroplasty (TKA) vs nonoperative management (NM) among 6 body mass index (BMI) cohorts. A Markov…”
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Post-Discharge Care Duration, Charges, and Outcomes Among Medicare Patients After Primary Total Hip and Knee Arthroplasty by Ponnusamy, Karthikeyan E., Naseer, Zan, El Dafrawy, Mostafa H., Okafor, Louis, Alexander, Clayton, Sterling, Robert S., Khanuja, Harpal S., Skolasky, Richard L.

“…In April 2016, the U.S. Centers for Medicare & Medicaid Services initiated mandatory 90-day bundled payments for total hip and knee arthroplasty for much of…”
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Cost-Effectiveness of Total Hip Arthroplasty Versus Nonoperative Management in Normal, Overweight, Obese, Severely Obese, Morbidly Obese, and Super Obese Patients: A Markov Model by Ponnusamy, Karthikeyan E., Vasarhelyi, Edward M., McCalden, Richard W., Somerville, Lyndsay E., Marsh, Jacquelyn D.

“…We estimated the cost-effectiveness of performing total hip arthroplasty (THA) vs nonoperative management (NM) among 6 body mass index (BMI) cohorts. We…”
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Ninety-Day Costs, Reoperations, and Readmissions for Primary Total Knee Arthroplasty Patients With Varying Body Mass Index Levels by Ponnusamy, Karthikeyan E., Marsh, Jacquelyn D., Somerville, Lyndsay E., McCalden, Richard W., Vasarhelyi, Edward M.

“…We compared 90-day costs and outcomes for primary total knee arthroplasty patients among nonobese (body mass index [BMI] 18.5-24.9), overweight (25-29.9),…”
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Robotic Approaches to the Posterior Spine by PONNUSAMY, Karthikeyan, CHEWNING, Samuel, MOHR, Catherine

“…This anatomic study described robotic approaches to the posterior thoracolumbar spine in a porcine model. Ergonomics, control, and approach and technical…”
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Ninety-Day Costs, Reoperations, and Readmissions for Primary Total Hip Arthroplasty Patients of Varying Body Mass Index Levels by Ponnusamy, Karthikeyan E., Marsh, Jacquelyn D., Somerville, Lyndsay E., McCalden, Richard W., Vasarhelyi, Edward M.

“…The purpose of this study is to compare 90-day costs and outcomes for primary total hip arthroplasty patients between a nonobese (body mass index, 18.5-24.9)…”
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Revision Rates and Functional Outcome Scores for Severely, Morbidly, and Super-Obese Patients Undergoing Primary Total Hip Arthroplasty: A Systematic Review and Meta-Analysis by Ponnusamy, Karthikeyan E., Somerville, Lyndsay, McCalden, Richard W., Marsh, Jacquelyn, Vasarhelyi, Edward M.

“…We performed a systematic review and meta-analysis of the literature to quantify the impact of patients with severe obesity (body mass index [BMI] > 35 kg/m),…”
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G9a and Jhdm2a Regulate Embryonic Stem Cell Fusion‐Induced Reprogramming of Adult Neural Stem Cells by Ma, Dengke K., Chiang, Cheng‐Hsuan J., Ponnusamy, Karthikeyan, Ming, Guo‐li, Song, Hongjun

“…Somatic nuclei can be reprogrammed to pluripotency through fusion with embryonic stem cells (ESCs). The underlying mechanism is largely unknown, primarily…”
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Nerve mapping for prostatectomies: novel technologies under development by Ponnusamy, Karthikeyan, Sorger, Jonathan M, Mohr, Catherine

“…Prostatic neuroanatomy is difficult to visualize intraoperatively and can be extremely variable. Damage to these nerves during prostatectomies may lead to…”
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Functional assessment of the acute local and distal transplantation of human neural stem cells after spinal cord injury by Cheng, Ivan, MD, Mayle, Robert E., MD, Cox, Christopher A., MD, Park, Don Y., MD, Smith, Robert L., PhD, Corcoran-Schwartz, Ian, BS, Ponnusamy, Karthikeyan E., MD, Oshtory, Rayshad, MD, Smuck, Matthew W., MD, Mitra, Raj, MD, Kharazi, Alexander I., PhD, Carragee, Eugene J., MD

“…Abstract Background context Spinal cord injury can lead to severe functional impairments secondary to axonal damage, neuronal loss, and demyelination. The…”
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Clinical Outcomes With Robotic Surgery by Ponnusamy, Karthikeyan, MSE, Mohr, Catherine, MD, MSME, Curet, Myriam J., MD

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Molecular genetic analysis of FGFR1 signalling reveals distinct roles of MAPK and PLCγ1 activation for self-renewal of adult neural stem cells by Ma, Dengke K, Ponnusamy, Karthikeyan, Song, Mi-Ryoung, Ming, Guo-li, Song, Hongjun

“…BACKGROUND: Neural stem cells (NSCs) are present in the adult mammalian brain and sustain life-long adult neurogenesis in the dentate gyrus of the hippocampus…”
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Revision Rates and Functional Outcomes Among Severely, Morbidly, and Super-Obese Patients Following Primary Total Knee Arthroplasty: A Systematic Review and Meta-Analysis by Chaudhry, Harman, Ponnusamy, Karthikeyan, Somerville, Lyndsay, McCalden, Richard W., Marsh, Jacquelyn, Vasarhelyi, Edward M.

“…Obesity has been associated with a greater burden of symptomatic knee osteoarthritis. There is some evidence that patients with a very high body mass index…”
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Existence Results for Nonautonomous Impulsive Fractional Evolution Equations by Dimplekumar Chalishajar, Duraisamy Senthil Raja, Kulandhaivel Karthikeyan, Ponnusamy Sundararajan

“…In this paper, we investigate the mild solutions of a nonlocal Cauchy problem for nonautonomous fractional evolution equations \begin{align*} \begin{cases}…”
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Perioperative Blood Transfusions in Orthopaedic Surgery by Ponnusamy, Karthikeyan E., MD, Kim, Thomas J., MD, Khanuja, Harpal S., MD, Henze, Elaine P., BJ, ELS

“…➤ Blood transfusion after orthopaedic surgery accounts for 10% of all packed red blood-cell transfusions, but use varies substantially across hospitals and…”
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Cost Effectiveness of Primary Total Hip Arthroplasty for Varying Levels of BMI by Ponnusamy, Karthikeyan E

“…The demand for hip arthroplasty is increasing rapidly due to a combination of an aging population as well as an increasing level of obesity in the country. The…”
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In Brief by Ponnusamy, Karthikeyan, Mohr, Catherine, Curet, Myriam J.

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