Publications by authors named "Narayana Varhabhatla"

4 Publications

  • Page 1 of 1

Top Ten Tips Palliative Care Clinicians Should Know About Interventional Pain and Procedures.

J Palliat Med 2020 10 27;23(10):1386-1391. Epub 2020 Aug 27.

Department of Anesthesiology, University of Colorado School of Medicine, Aurora, Colorado, USA.

Pain is a common symptom for patients with advanced illness. Palliative care (PC) clinicians are experts in pharmacologic and nonpharmacologic treatment of pain and other symptoms for these patients. True multimodal pain control should include consideration of interventional procedures and pumps to improve difficult-to-manage pain. This article, written by clinicians with expertise in interventional pain and PC, outlines and explains many of the adjunctive and interventional therapies that can be considered for patients with pain in the setting of serious illness. Only by understanding and considering all available options can we ensure that our patients are receiving optimal care.
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http://dx.doi.org/10.1089/jpm.2020.0487DOI Listing
October 2020

Minimally Invasive Lumbar Decompression and Interspinous Process Device for the Management of Symptomatic Lumbar Spinal Stenosis: a Literature Review.

Curr Pain Headache Rep 2020 Feb 18;24(4):13. Epub 2020 Feb 18.

Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, MA, 02115, USA.

Purpose Of Review: Symptomatic lumbar spinal stenosis (LSS) is a condition affecting a growing number of individuals resulting in significant disability and pain. Traditionally, treatment options have consisted of conservative measures such as physical therapy, medication management, epidural injections and percutaneous adhesiolysis, or surgery. There exists a treatment gap for patients failing conservative measures who are not candidates for surgery. Minimally invasive lumbar decompression (MILD®) and interspinous process device (IPD) with Superion® represent minimally invasive novel treatment options that may help fill this gap in management. We performed a literature review to separately evaluate these procedures and assess the effectiveness and safety.

Recent Findings: The available evidence for MILD and Superion has been continuously debated. Overall, it is considered that while the procedures are safe, there is only modest evidence for effectiveness. For both procedures, we have reviewed 13 studies. Based on the available evidence, MILD and Superion are safe and modestly effective minimally invasive procedures for patients with symptomatic LSS. It is our recommendation that these procedures may be incorporated as part of the continuum of treatment options for patients meeting clinical criteria.
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http://dx.doi.org/10.1007/s11916-020-0845-2DOI Listing
February 2020

Rising complication rates after intrathecal catheter and pump placement in the pediatric population: analysis of national data between 1997 and 2006.

Pain Physician 2012 Jan-Feb;15(1):65-74

University of Virginia, Charlottesville, VA 22908-0710, USA.

Background: Intrathecal delivery of baclofen (ITB) is effective at controlling spasticity. However, it requires the placement of a catheter into the intrathecal space, and a pump with a reservoir for the medication. The process of placing the catheter and pump are prone to complications.

Objectives: The objective of this paper is to determine factors contributing to rising complication rates after intrathecal catheter/pump placement in a national sample of pediatric patients.

Study Design: This was a retrospective observational database study.

Methods: We queried the Kids' Inpatient Database for all children greater than 4 years old and under 20 years old for the years 1997, 2000, 2003, and 2006 who had an intrathecal catheter and pump placed. We then compared demographics and hospital characteristics of patients with and without complications. We performed univariate and multivariate analyses to determine the relative contribution of various factors to the development of complications.

Results: We identified 2,843 patients who met our criteria, and 514 of these patients had one or more complications after placement of intrathecal pump/catheter. There were 1.14 complications per patient. The complication rate was 10.2% in 1997, and increased to 21.9% in 2006. Mechanical complications were the most common type of complication in this population, account for nearly two-thirds of all complications occurring. Age, hospital type, hospital size, and admission source were independent predictors of complications.

Limitations: We did not have access to ASA status, operative details, and access to patient charts.

Conclusions: Complication rates after placement of intrathecal pump/catheters have increased in the pediatric population between 1997 and 2006 mainly due to an increase in mechanical complications.
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August 2012

The effects of chronic pulmonary disease on hospital length of stay and cost of hospitalization after neurosurgery. Clinical article.

J Neurosurg 2011 Aug 15;115(2):375-9. Epub 2011 Apr 15.

Department of Anesthesiology, University of Virginia Health System, Charlottesville, Virginia, USA.

Object: Chronic pulmonary diseases (CPDs) are common causes of morbidity. However, their effects on the outcome of the neurosurgical patient population are unknown. In this study, the impact of CPD on length of stay (LOS) and cost of hospitalization (COH) in neurosurgical patients was evaluated.

Methods: This was a retrospective observational study of all neurosurgical patients at the University of Virginia Health System between 1994 and 2008. Patients were divided into those with CPD (4894) and those without CPD (21,274). Patients were further divided by the types of surgery they underwent: laminectomy, ventriculostomy, and craniotomy. Univariate and multiple linear regression analyses were performed to evaluate the impact of CPD and other comorbidities on LOS and COH.

Results: Nearly 20% of patients undergoing neurosurgery had CPD. Univariate analysis showed that patients with CPD had a statistically significant increase in LOS and COH after a neurosurgical procedure. The median adjusted COH for patients with CPD undergoing any neurosurgical procedure was $3706 greater than for patients without CPD. Multivariate analysis identified CPD as an independent determining factor in raising LOS by 0.5 days and COH by $6528 per patient for all neurosurgical procedures. History of congestive heart failure and renal failure were also independent determining factors for LOS after neurosurgery.

Conclusions: Neurosurgical patients with CPD had a longer LOS and higher COH than patients without CPD.
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http://dx.doi.org/10.3171/2011.3.JNS101608DOI Listing
August 2011