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https://www.readbyqxmd.com/read/27896677/results-of-database-studies-in-spine-surgery-can-be-influenced-by-missing-data
#1
Bryce A Basques, Ryan P McLynn, Michael P Fice, Andre M Samuel, Adam M Lukasiewicz, Daniel D Bohl, Junyoung Ahn, Kern Singh, Jonathan N Grauer
BACKGROUND: National databases are increasingly being used for research in spine surgery; however, one limitation of such databases that has received sparse mention is the frequency of missing data. Studies using these databases often do not emphasize the percentage of missing data for each variable used and do not specify how patients with missing data are incorporated into analyses. This study uses the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database to examine whether different treatments of missing data can influence the results of spine studies...
November 28, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27879573/multimodal-analgesia-versus-intravenous-patient-controlled-analgesia-for-minimally-invasive-transforaminal-lumbar-interbody-fusion-procedures
#2
Kern Singh, Daniel D Bohl, Junyoung Ahn, Dustin H Massel, Benjamin C Mayo, Ankur S Narain, Fady Y Hijji, Philip K Louie, William W Long, Krishna D Modi, Tae D Kim, Krishna T Kudaravalli, Frank M Phillips, Asokumar Buvanendran
STUDY DESIGN: Retrospective analysis. OBJECTIVE: To compare postoperative narcotic consumption and pain scores between multimodal analgesia (MMA) and patient-controlled analgesia (PCA) following minimally invasive transforaminal lumbar interbody fusion (MIS TLIF). SUMMARY OF BACKGROUND DATA: A multimodal analgesic approach to pain management may lead to decreased pain and narcotic consumption following orthopaedic procedures. However, additional evidence is required to determine how MMA compares to intravenous (IV) PCA following MIS TLIF...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27875417/the-utility-of-routinely-obtaining-postoperative-laboratory-studies-following-a-minimally-invasive-transforaminal-lumbar-interbody-fusion
#3
Junyoung Ahn, Dustin H Massel, Benjamin C Mayo, Fady Y Hijji, Ankur S Narain, Khaled Aboushaala, Daniel D Bohl, Islam M Elboghdady, Jacob V DiBattista, Kern Singh
STUDY DESIGN: This is a retrospective analysis. OBJECTIVE: To test the hypothesis that there is limited utility in routinely obtaining postoperative laboratory values following minimally invasive transforaminal lumbar interbody fusion (MIS TLIF). BACKGROUND DATA: At many institutions, it is routine to obtain a complete blood count and basic metabolic profile (BMP) following a MIS TLIF. However, the utility of this practice has not been well characterized...
November 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27875412/preoperative-mental-health-is-not-predictive-of-patient-reported-outcomes-following-a-minimally-invasive-lumbar-discectomy
#4
Benjamin C Mayo, Dustin H Massel, Daniel D Bohl, William W Long, Krishna D Modi, Ankur S Narain, Fady Y Hijji, Gregory Lopez, Kern Singh
STUDY DESIGN: This is a retrospective cohort study. OBJECTIVE: To determine if preoperative mental health is associated with patient-reported outcomes (PROs) following a minimally invasive lumbar discectomy. SUMMARY OF BACKGROUND DATA: PROs are commonly used to quantify a patient's perceived health status. Recently, mental health has been theorized to directly affect patients' perception of their disability and pain after spine surgery. MATERIALS AND METHODS: A registry of patients who underwent a primary, single-level minimally invasive lumbar discectomy was reviewed...
November 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27851659/improvements-in-neck-and-arm-pain-following-an-anterior-cervical-discectomy-and-fusion
#5
Dustin H Massel, Benjamin C Mayo, Daniel D Bohl, Ankur S Narain, Fady Y Hijji, Steven J Fineberg, Philip K Louie, Bryce A Basques, William W Long, Krishna D Modi, Kern Singh
STUDY DESIGN: Retrospective Analysis OBJECTIVE.: To quantify improvements in Visual Analogue Scale (VAS) neck and arm pain, Neck Disability Index (NDI), and Short Form-12 (SF-12) Mental (MCS) and Physical (PCS) Composite scores following an ACDF. SUMMARY OF BACKGROUND DATA: Anterior Cervical Discectomy and Fusion (ACDF) is evaluated with patient-reported outcomes. However, the extent to which these outcomes improve following ACDF remains poorly defined. METHODS: A surgical registry of patients who underwent primary, 1- or 2-level ACDF during 2013-2015 was reviewed...
November 15, 2016: Spine
https://www.readbyqxmd.com/read/27779602/spinal-surgeon-variation-in-single-level-cervical-fusion-procedures-a-cost-and-hospital-resource-utilization-analysis
#6
Fady Y Hijji, Dustin H Massel, Benjamin C Mayo, Ankur S Narain, William W Long, Krishna D Modi, Rory M Burke, Jeff Canar, Kern Singh
STUDY DESIGN: Retrospective analysis. OBJECTIVE: To compare perioperative costs and outcomes of patients undergoing single-level anterior cervical discectomy and fusions (ACDF) at both a service (orthopedic versus neurosurgical) and individual surgeon level. SUMMARY OF BACKGROUND DATA: Hospital systems are experiencing significant pressure to increase value of care by reducing costs while maintaining or improving patient-centered outcomes...
October 24, 2016: Spine
https://www.readbyqxmd.com/read/27689424/preoperative-mental-health-status-may-not-be-predictive-of-improvements-in-patient-reported-outcomes-following-an-anterior-cervical-discectomy-and-fusion
#7
Benjamin C Mayo, Dustin H Massel, Daniel D Bohl, Ankur S Narain, Fady Y Hijji, William W Long, Krishna D Modi, Bryce A Basques, Alem Yacob, Kern Singh
OBJECTIVE Prior studies have correlated preoperative depression and poor mental health status with inferior patient-reported outcomes following lumbar spinal procedures. However, literature regarding the effect of mental health on outcomes following cervical spinal surgery is limited. As such, the purpose of this study is to test for the association of preoperative SF-12 Mental Component Summary (MCS) scores with improvements in Neck Disability Index (NDI), SF-12 Physical Component Summary (PCS), and neck and arm pain following anterior cervical discectomy and fusion (ACDF)...
September 30, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27664337/patient-knowledge-regarding-radiation-exposure-from-spinal-imaging
#8
Daniel D Bohl, Fady Y Hijji, Dustin H Massel, Benjamin C Mayo, William W Long, Krishna D Modi, Ankur S Narain, Blaine T Manning, Junyoung Ahn, Philip K Louie, Kern Singh
BACKGROUND CONTEXT: Spine surgeons employ a high volume of imaging in the diagnosis and evaluation of spinal pathology. However, little is known regarding patients' knowledge of the radiation exposure associated with these imaging techniques. PURPOSE: To characterize spine patients' knowledge regarding radiation exposure from various imaging modalities. STUDY DESIGN/SETTING: A cross-sectional survey study. PATIENT SAMPLE: One hundred patients at their first clinic visit with a single spine surgeon at an urban institution...
September 21, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27579813/nationwide-databases-in-orthopaedic-surgery-research
#9
Daniel D Bohl, Kern Singh, Jonathan N Grauer
The use of nationwide databases to conduct orthopaedic research has expanded markedly in recent years. Nationwide databases offer large sample sizes, sampling of patients who are representative of the country as a whole, and data that enable investigation of trends over time. The most common use of nationwide databases is to study the occurrence of postoperative adverse events. Other uses include the analysis of costs and the investigation of critical hospital metrics, such as length of stay and readmission rates...
October 2016: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/27404852/current-trends-in-outpatient-spine-surgery
#10
Junyoung Ahn, Daniel D Bohl, Ehsan Tabaraee, Bryce A Basques, Kern Singh
Because of the increasing pressure to contain health-care-related costs, the number of spinal surgeries performed in the outpatient setting has significantly increased. The higher perioperative efficiency and greater predictability of associated costs offer significant incentives for payers and providers to move surgical procedures into the outpatient setting. Nonetheless, judicious patient selection is advised to optimize outcomes.
July 11, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27385691/bone-morphogenetic-proteins-in-lumbar-arthrodesis-what-is-all-the-debate-about-commentary-on-an-article-by-daniel-c-beachler-phd-mhs-et-al-bone-morphogenetic-protein-use-and-cancer-risk-among-patients-undergoing-lumbar-arthrodesis-a-case-cohort-study-using
#11
Kern Singh, Dustin H Massel, Benjamin C Mayo, Daniel D Bohl, William W Long, Krishna D Modi
No abstract text is available yet for this article.
July 6, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27359358/the-effect-of-surgeon-volume-on-complications-length-of-stay-and-costs-following-anterior-cervical-fusion
#12
Bryce A Basques, Philip K Louie, Grant D Shifflett, Michael P Fice, Benjamin C Mayo, Dustin H Massel, Javier Z Guzman, Daniel D Bohl, Kern Singh
STUDY DESIGN: Retrospective cohort. OBJECTIVE: To identify the association between surgeon volume and inpatient complications, length of stay, and costs associated with ACF. SUMMARY OF BACKGROUND DATA: Increased surgeon volume may be associated with improved outcomes following surgical procedures. However, there is a lack of information on the effect of surgeon volume on short-term outcomes following anterior cervical fusion (ACF). METHODS: A retrospective cohort study of ACF patients was performed using the Nationwide Inpatient Sample (NIS) from 2003-2009...
June 29, 2016: Spine
https://www.readbyqxmd.com/read/27359353/to-the-editor
#13
Kern Singh, Sreeharsha V Nandyala, Alejandro Marquez-Lara, Steven J Fineberg, Miguel Pelton
No abstract text is available yet for this article.
September 1, 2016: Spine
https://www.readbyqxmd.com/read/27254654/differences-in-short-term-outcomes-between-primary-and-revision-anterior-cervical-discectomy-and-fusion
#14
Bryce A Basques, Nathaniel T Ondeck, Erik J Geiger, Andre M Samuel, Adam M Lukasiewicz, Matthew L Webb, Daniel D Bohl, Dustin H Massel, Benjamin C Mayo, Kern Singh, Jonathan N Grauer
STUDY DESIGN: Retrospective cohort study. OBJECTIVE: To compare short-term morbidity for primary and revision anterior cervical discectomy and fusion (ACDF). SUMMARY OF BACKGROUND DATA: Revision ACDF procedures are relatively common, yet their risks are poorly characterized in the literature. There is a need to assess the relative risk of revision ACDF procedures compared to primary surgery. METHODS: The prospectively collected American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database was used to identify patients that underwent primary and revision ACDF from 2005 to 2014...
May 31, 2016: Spine
https://www.readbyqxmd.com/read/27167512/harnessing-topological-band-effects-in-bismuth-telluride-selenide-for-large-enhancements-in-thermoelectric-properties-through-isovalent-doping
#15
Devender, Pascal Gehring, Andrew Gaul, Alexander Hoyer, Kristina Vaklinova, Rutvik J Mehta, Marko Burghard, Theodorian Borca-Tasciuc, David J Singh, Klaus Kern, Ganpati Ramanath
Dilute isovalent sulfur doping simultaneously increases electrical conductivity and Seebeck coefficient in Bi2 Te2 Se nanoplates, and bulk pellets made from them. This unusual trend at high electron concentrations is underpinned by multifold increases in electron effective mass attributable to sulfur-induced band topology effects, providing a new way for accessing a high thermoelectric figure-of-merit in topological-insulator-based nanomaterials through doping.
August 2016: Advanced Materials
https://www.readbyqxmd.com/read/27128255/does-greater-body-mass-index-increase-the-risk-for-revision-procedures-following-a-single-level-minimally-invasive-lumbar-discectomy
#16
Daniel D Bohl, Junyoung Ahn, Benjamin C Mayo, Dustin H Massel, Ehsan Tabaraee, Robert A Sershon, Bryce A Basques, Kern Singh
STUDY DESIGN: Retrospective analysis of a prospectively maintained surgical registry. OBJECTIVE: To examine the association between body mass index (BMI) and the risk for undergoing a revision procedure following a single-level minimally invasive (MIS) lumbar discectomy (LD). SUMMARY OF BACKGROUND DATA: Studies conflict as to whether greater BMI contributes to recurrent herniation and the need for revision procedures following LD. Patients and surgeons would benefit from knowing whether greater BMI is a risk factor to guide the decision whether to pursue an operative versus non-operative treatment...
May 2016: Spine
https://www.readbyqxmd.com/read/27058676/assessment-of-physical-function-and-participation-in-chronic-pain-clinical-trials-immpact-omeract-recommendations
#17
Ann M Taylor, Kristine Phillips, Kushang V Patel, Dennis C Turk, Robert H Dworkin, Dorcas Beaton, Daniel J Clauw, Monique A M Gignac, John D Markman, David A Williams, Shay Bujanover, Laurie B Burke, Daniel B Carr, Ernest H Choy, Philip G Conaghan, Penney Cowan, John T Farrar, Roy Freeman, Jennifer Gewandter, Ian Gilron, Veeraindar Goli, Tony D Gover, J David Haddox, Robert D Kerns, Ernest A Kopecky, David A Lee, Richard Malamut, Philip Mease, Bob A Rappaport, Lee S Simon, Jasvinder A Singh, Shannon M Smith, Vibeke Strand, Peter Tugwell, Gertrude F Vanhove, Christin Veasley, Gary A Walco, Ajay D Wasan, James Witter
Although pain reduction is commonly the primary outcome in chronic pain clinical trials, physical functioning is also important. A challenge in designing chronic pain trials to determine efficacy and effectiveness of therapies is obtaining appropriate information about the impact of an intervention on physical function. The Initiative on Methods, Measurement, and Pain Assessment in Clinical Trials (IMMPACT) and Outcome Measures in Rheumatology (OMERACT) convened a meeting to consider assessment of physical functioning and participation in research on chronic pain...
September 2016: Pain
https://www.readbyqxmd.com/read/27056770/patient-centered-pain-care-using-artificial-intelligence-and-mobile-health-tools-protocol-for-a-randomized-study-funded-by-the-us-department-of-veterans-affairs-health-services-research-and-development-program
#18
John D Piette, Sarah L Krein, Dana Striplin, Nicolle Marinec, Robert D Kerns, Karen B Farris, Satinder Singh, Lawrence An, Alicia A Heapy
BACKGROUND: Cognitive behavioral therapy (CBT) is one of the most effective treatments for chronic low back pain. However, only half of Department of Veterans Affairs (VA) patients have access to trained CBT therapists, and program expansion is costly. CBT typically consists of 10 weekly hour-long sessions. However, some patients improve after the first few sessions while others need more extensive contact. OBJECTIVE: We are applying principles from "reinforcement learning" (a field of artificial intelligence or AI) to develop an evidence-based, personalized CBT pain management service that automatically adapts to each patient's unique and changing needs (AI-CBT)...
2016: JMIR Research Protocols
https://www.readbyqxmd.com/read/27035584/malnutrition-predicts-infectious-and-wound-complications-following-posterior-lumbar-spinal-fusion
#19
Daniel D Bohl, Mary R Shen, Benjamin C Mayo, Dustin H Massel, William W Long, Krishna D Modi, Bryce A Basques, Kern Singh
STUDY DESIGN: Retrospective review of data collected prospectively by the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP). OBJECTIVE: To investigate the association between preoperative hypoalbuminemia, a marker for malnutrition, and complications during the thirty days following posterior lumbar fusion surgery. SUMMARY OF BACKGROUND DATA: Malnutrition is a potentially modifiable risk factor that may contribute to complications following spinal surgery...
March 30, 2016: Spine
https://www.readbyqxmd.com/read/27035581/anterior-cervical-discectomy-and-fusion-the-surgical-learning-curve
#20
Benjamin C Mayo, Dustin H Massel, Daniel D Bohl, William W Long, Krishna D Modi, Kern Singh
STUDY DESIGN: Case-series OBJECTIVE.: To investigate changes in intraoperative and postoperative parameters associated with the surgical learning curve for anterior cervical discectomy and fusion (ACDF). SUMMARY OF BACKGROUND DATA: ACDF is a common surgical spine procedure. The surgical learning curve for this procedure has not been previously characterized. METHODS: A prospectively maintained surgical database of consecutive patients who underwent primary 1-2 level ACDF for degenerative spine disease from 2006-2014 was reviewed...
March 30, 2016: Spine
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