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Pallister M, Ballas J, Kohn J, Eppes CS, Belfort M, Davidson C. A Standardized Approach to Cesarean Surgical Technique and Its Effect on Operative Time and Surgical Morbidity. Am J Perinatol 2019; 36:277-284. [PMID: 30081402 DOI: 10.1055/s-0038-1667370] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
OBJECTIVE To evaluate the impact of a standardized surgical technique for primary cesarean deliveries (CDs) on operative time and surgical morbidity. MATERIALS AND METHODS Two-year retrospective chart review of primary CD performed around the implementation of a standardized CD surgical technique. The primary outcome was total operative time (TOT). Secondary outcomes included incision-to-delivery time (ITDT), surgical site infection, blood loss, and maternal and fetal injuries. RESULTS When comparing pre- versus postimplementation surgical times, there was no significant difference in TOT (76.5 vs. 75.9 minutes, respectively; p = 0.42) or ITDT (9.8 vs. 8.8 minutes, respectively; p = 0.06) when the entire cohort was analyzed. Subgroup analysis of CD performed early versus late in an academic year among the pre- and postimplementation groups showed no significant difference in TOT (79.3 early vs. 73.8 minutes late; p = 0.10) or ITDT (10.8 early vs. 8.8 minutes late; p = 0.06) within the preimplementation group. In the postimplementation group, however, there was significant decrease in TOT (80.5 early vs. 71.3 minutes late; p = 0.02) and ITDT (10.6 early vs. 6.8 minutes late; p < 0.01). Secondary outcomes were similar for both groups. CONCLUSION A standardized surgical technique combined with surgical experience can decrease TOT and ITDT in primary CD without increasing maternal morbidity.
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Kennedy AM, Davidson C, Cronin E, Caulfield R. Readability and quality of breast reduction on-line resources. J Plast Reconstr Aesthet Surg 2019; 72:137-171. [DOI: 10.1016/j.bjps.2018.08.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 08/21/2018] [Accepted: 08/25/2018] [Indexed: 10/28/2022]
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Davidson C, Taylor K, Scullin P, Campbell L. P2.17-09 Exploring the Impact of Age on the Efficacy of Adjuvant Chemotherapy After Radical Resection in Non- Small Cell Lung Cancer. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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El Helali A, Feeney L, Davidson C, Taylor K, Devlin M, Scullin P, Campbell L. P3.01-23 Imaging Modalities for Surveillance and Follow-Up of Patient with Lung Cancer After Adjuvant Chemotherapy. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Meduri C, Hahn R, Davidson C, Lim S, Nazif T, Ricciardi M, vivek rajagopal, Ailawadi G, Vannan M, Thomas J, Kodali S. TCT-74 SCOUT Study: Trialign results at 30 days from combined US and EU cohort for the treatment of functional TR. J Am Coll Cardiol 2018. [DOI: 10.1016/j.jacc.2018.08.1166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Van Assche L, Vemulapalli S, Thomas J, Davidson C, Puthumana J, Malaisrie S, Stebbins A, Kosinski A, Rymer J, Kirtane AJ, Thourani V, Ricciardi M. TCT-46 Mitral Valve Gradient, Heart Failure Admissions and One Year Mortality Following MitraClip Repair in 5,378 Patients: Results from the ACC/STS TVT Registry. J Am Coll Cardiol 2018. [DOI: 10.1016/j.jacc.2018.08.1131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Cubeddu RJ, Asher C, Lowry A, Blackstone EH, Kapadia S, Beohar N, Thourani V, Mack M, Kodali S, Herrmann H, Forcillo J, Babaliaros V, Devireddy C, Malaisrie S, Davidson C, Jaber W, Leon M, Svensson L. TCT-839 Transcatheter Aortic Valve Replacement for Severe Aortic Stenosis is More Likely to Improve than Worsen CKD Stage: Analysis of the PARTNER 1, 2A, and S3 Trials. J Am Coll Cardiol 2018. [DOI: 10.1016/j.jacc.2018.08.2083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Malaisrie SC, Hodson RW, McAndrew TC, Davidson C, Swanson J, Hahn RT, Pibarot P, Jaber WA, Quader N, Zajarias A, Svensson L, George I, Trento A, Thourani VH, Szeto WY, Dewey T, Smith CR, Leon MB, Webb JG. Outcomes after Transcatheter and Surgical Aortic Valve Replacement in Intermediate Risk Patients with Preoperative Mitral Regurgitation: Analysis of PARTNER II Randomized Cohort. STRUCTURAL HEART-THE JOURNAL OF THE HEART TEAM 2018. [DOI: 10.1080/24748706.2018.1475781] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Kislitsina O, Smith D, Pham D, Churyla A, Ricciardi M, Sweis R, Davidson C, Flaherty J, Kruse J, McCarthy P, Malaisrie SC. COMPARISON OF MONITORED ANESTHESIA CARE AND GENERAL ANESTHESIA FOR TRANSCATHETER AORTIC VALVE REPLACEMENT (TAVR). J Am Coll Cardiol 2018. [DOI: 10.1016/s0735-1097(18)31764-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Meduri C, Davidson C, Lim S, Nazif T, Ricciardi M, Rajagopal V, Ailawadi G, Vannan M, Thomas J, Fowler D, Rich S, Kodali SK, Hahn RT. 30 DAY RESULTS OF THE SCOUT I STUDY IN PATIENTS WITH SEVERE TRICUSPID REGURGITATION (TR). J Am Coll Cardiol 2018. [DOI: 10.1016/s0735-1097(18)31545-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Cantey E, Blair J, Benck LR, Youmans Q, Abutaleb A, Huded C, Feinglass J, Sweis R, Pham D, Churyla A, Ricciardi M, Malaisrie SC, Davidson C, Flaherty J. LOOP-DIURETIC USE PRIOR TO TRANSCATHETER AORTIC VALVE REPLACEMENT IS ASSOCIATED WITH INCREASED MORTALITY. J Am Coll Cardiol 2018. [DOI: 10.1016/s0735-1097(18)31587-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Asaduzzaman M, Davidson C, Nahirney D, Fiteih Y, Puttagunta L, Vliagoftis H. Proteinase-activated receptor-2 blockade inhibits changes seen in a chronic murine asthma model. Allergy 2018; 73:416-420. [PMID: 28940559 DOI: 10.1111/all.13313] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/17/2017] [Indexed: 02/06/2023]
Abstract
BACKGROUND Proteinase-Activated Receptor-2 (PAR2 ) is a G protein-coupled receptor activated by serine proteinases. We have shown that PAR2 activation in the airways is involved in the development of allergic inflammation and airway hyperresponsiveness (AHR) in acute murine models. We hypothesized that functional inhibition of PAR2 prevents allergic inflammation, AHR and airway remodeling in chronic allergic airway inflammation models. MATERIAL AND METHODS We developed and used a 12 week model of cockroach extract (CE)-mediated AHR, airway inflammation and remodeling in BALB/c mice. RESULTS Mice sensitized and challenged with CE for 12 weeks exhibit AHR, increased numbers of eosinophils in bronchoalveolar lavage (BAL) and increased collagen content in the lung tissue compared to saline controls. Administration of an anti-PAR2 antibody, SAM-11, after the initial development of airway inflammation significantly inhibited all these parameters. CONCLUSIONS Our data demonstrate that PAR2 signaling plays a key role in CE-induced AHR and airway inflammation/remodeling in long term models of allergic airway inflammation. Targeting PAR2 activation may be a successful therapeutic strategy for allergic asthma.
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Taylor K, Davidson C, Devlin M, Campbell L, Scullin P. A retrospective audit of adjuvant chemotherapy in stage 1b–3b non-small cell lung cancer: the Northern Ireland experience 2004–2017. Lung Cancer 2018. [DOI: 10.1016/s0169-5002(18)30103-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Kaplan R, Yadlapati A, Passman R, Knight B, Sweis R, Ricciardi M, Pham DT, Malaisrie S, Davidson C, Flaherty J. TCT-555 Post-Balloon Dilation Following TAVR Implantation Increases Pacemaker Dependency. J Am Coll Cardiol 2017. [DOI: 10.1016/j.jacc.2017.09.732] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Jain S, Lyons C, Walker S, McQuaid S, Hynes S, Mitchell D, Pang B, Logan G, McCavigan A, O'Rourke D, Davidson C, Knight L, Berge V, Neal D, Pandha H, Harkin P, James J, Kennedy R, O'Sullivan J, Waugh D. A Metastatic Biology Gene Expression Assay to Predict the Risk of Distant Metastases in Patients With Localized Prostate Cancer Treated With Primary Radical Treatment. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Jain S, Lyons C, Walker S, McQuaid S, Hynes S, Mitchell D, Pang B, Logan G, McCavigan A, O'Rourke D, Davidson C, Knight L, Sheriff A, Berge V, Neal D, Pandha H, Watson R, Mason M, Kay E, Harkin D, James J, Salto-Tellez M, Kennedy R, O'Sullivan J, Waugh D. OC-0126: A gene expression assay to predict the risk of distant metastases in localized prostate cancer. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)30569-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Gandhi J, Davidson C, Hall C, Pearson J, Eglinton T, Wakeman C, Frizelle F. Population-based study demonstrating an increase in colorectal cancer in young patients. Br J Surg 2017; 104:1063-1068. [PMID: 28378448 DOI: 10.1002/bjs.10518] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Revised: 11/23/2016] [Accepted: 02/01/2017] [Indexed: 11/12/2022]
Abstract
BACKGROUND New Zealand has among the highest rates of colorectal cancer in the world and is an unscreened population. The aim of this study was to determine the trends in incidence and tumour location in the New Zealand population before the introduction of national colorectal cancer screening. METHODS Data were obtained from the national cancer registry and linked to population data from 1995 to 2012. Incidence rates for colorectal cancer by sex, age (less than 50 years, 50-79 years, 80 years or more) and location (proximal colon, distal colon and rectum) were assessed by linear regression. RESULTS Among patients aged under 50 years, the incidence of distal colonic cancer in men increased by 14 per cent per decade (incidence rate ratio (IRR 1·14), 95 per cent c.i. 1·00 to 1·30; P = 0·042); the incidence of rectal cancer in men increased by 18 per cent (IRR 1·18, 1·06 to 1·32; P = 0·002) and that in women by 13 per cent (IRR 1·13, 1·02 to 1·26; P = 0·023). In those aged 50-79 years, there was a reduction in incidence per decade of proximal, distal and rectal cancers in both sexes. In the group aged 80 years and over, proximal cancer incidence per decade increased by 19 per cent in women (IRR 1·19, 1·13 to 1·26; P < 0·001) and by 25 per cent in men (IRR 1·25, 1·18 to 1·32; P < 0·001); among women, the incidence of distal colonic cancer decreased by 8 per cent (IRR 0·92, 0·86 to 0·98); P = 0·012), as did that of rectal cancer (IRR 0·92, 0·86 to 0·97; P = 0·005). CONCLUSION The increasing incidence of rectal cancer among younger patients needs to be considered when implementing screening strategies.
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Youmans Q, Kansal P, Alphs Jackson H, Fortman R, Navarro D, Abecassis M, Noskin G, Anderson A, Davidson C, Yancy C, Mutharasan RK. Abstract 077: Hospitalized Heart Failure Epidemiology: Active Surveillance to Enhance Inpatient Cardiology Consultation Rates. Circ Cardiovasc Qual Outcomes 2017. [DOI: 10.1161/circoutcomes.10.suppl_3.077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background:
Co-management of hospitalized heart failure (HHF) patients by hospitalists and cardiologists may enhance care quality. Aided by an enterprise data warehouse (EDW) screen for HHF patients, we implemented a house surveillance model of heart failure consultation, whereby cardiology consultation and multidisciplinary heart failure intervention was offered for patients meeting criteria.
Objective:
To analyze the impact of house surveillance for HHF on cardiology consultation rates for patients coding into heart failure diagnosis-related groups (DRGs) on medicine units.
Methods:
An EDW screen for HHF was deployed, and services with HHF patients were offered cardiology consultation. The intervention was deployed 7/2015; chart review for patients 6 months pre- and post-intervention was conducted to ascertain consultation rate.
Results:
There were 386 patient discharges from a non-cardiac service with a heart failure DRG. In the six months prior to intervention, 40% of patients had cardiology consultation. This figure rose to 69% post-intervention, a highly statistically significant result.
Conclusions:
EDW-enabled active surveillance for HHF increases cardiology consultation rate, allowing for multidisciplinary intervention, co-management, and potentially improved outcomes for HHF patients.
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Huded C, Benck L, Stone N, Sweis R, Ricciardi M, Malaisrie SC, Davidson C, Flaherty J. INTENSITY OF STATIN THERAPY AND OUTCOMES AFTER TRANSCATHETER AORTIC VALVE REPLACEMENT. J Am Coll Cardiol 2017. [DOI: 10.1016/s0735-1097(17)34617-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Valencia V, Kansal P, Jackson HA, Fortman R, Vlcek A, Anderson A, Davidson C, Soulakis N, Yancy C, Mutharasan R. IMPACT OF MULTIDISCIPLINARY HEART FAILURE TRANSITIONAL CARE INTERVENTIONS ON DISPARITIES IN 30-DAY READMISSION RATES. J Am Coll Cardiol 2017. [DOI: 10.1016/s0735-1097(17)35934-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Mutharasan RK, Kansal P, Jackson HA, Anderson A, Abecassis M, Davidson C, Noskin G, Gurvich I, Van Mieghem J, Yancy C. HEART FAILURE CARE TRANSITIONS: QUEUING THEORY-BASED COST-EFFECTIVENESS ANALYSIS OF OUTPATIENT CLINIC CAPACITY SIZING. J Am Coll Cardiol 2017. [DOI: 10.1016/s0735-1097(17)35897-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Davidson C, Rutherford C, Allan J, Simpson G, Gray J. A comparison of oesophageal self-expanding metal stents and their complications. Int J Surg 2016. [DOI: 10.1016/j.ijsu.2016.08.294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Kang YK, Ryu MH, Park S, Hong Y, Choi CM, Kim T, Ryoo BY, Kim J, Kim SW, Weis J, Gilcrease G, Davidson C, Kingsford R, Collett J, Orgain N, Kim S, Park C, McGinn A, Sharma S. A phase II study of apatinib, a highly selective inhibitor of VEGFR-2, in patients with metastatic solid tumors without standard treatment options. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw368.16] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Asaduzzaman M, Nadeem A, Arizmendi N, Davidson C, Nichols HL, Abel M, Ionescu LI, Puttagunta L, Thebaud B, Gordon J, DeFea K, Hollenberg MD, Vliagoftis H. Functional inhibition of PAR2 alleviates allergen-induced airway hyperresponsiveness and inflammation. Clin Exp Allergy 2016; 45:1844-55. [PMID: 26312432 DOI: 10.1111/cea.12628] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2014] [Revised: 05/28/2015] [Accepted: 06/07/2015] [Indexed: 12/22/2022]
Abstract
BACKGROUND Proteinase-activated receptor 2 (PAR2 ) is a G protein-coupled receptor activated by trypsin-like serine proteinases. PAR2 activation has been associated with inflammation including allergic airway inflammation. We have also shown that PAR2 activation in the airways leads to allergic sensitization. The exact contribution of PAR2 in the development of eosinophilic inflammation and airway hyperresponsiveness (AHR) in sensitized individuals is not clear. OBJECTIVE To investigate whether functional inhibition of PAR2 during allergen challenge of allergic mice would inhibit allergen-induced AHR and inflammation in mouse models of asthma. METHODS Mice were sensitized and challenged with ovalbumin (OVA) or cockroach extract (CE). To investigate the role of PAR2 in the development of AHR and airway inflammation, we administered blocking anti-PAR2 antibodies, or a cell permeable peptide inhibitor of PAR2 signalling, pepducin, i.n. before allergen challenges and then assessed AHR and airway inflammation. RESULTS Administration of anti-PAR2 antibodies significantly inhibited OVA- and CE-induced AHR and airway inflammation. In particular, two anti-PAR2 antibodies, the monoclonal SAM-11 and polyclonal B5, inhibited AHR, airway eosinophilia, the increase of cytokines in the lung tissue and antigen-specific T cell proliferation, but had no effect on antigen-specific IgG and IgE levels. Pepducin was also effective in inhibiting AHR and airway inflammation in an OVA model of allergic airway inflammation. CONCLUSIONS AND CLINICAL RELEVANCE Functional blockade of PAR2 in the airways during allergen challenge improves allergen-induced AHR and inflammation in mice. Therefore, topical PAR2 blockade in the airways, through anti-PAR2 antibodies or molecules that interrupt PAR2 signalling, has the potential to be used as a therapeutic option in allergic asthma.
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Mutharasan RK, Kansal P, Jackson HA, Benacka C, Fortman R, Navarro D, Ahmad F, Abecassis MM, Anderson AS, Davidson C, Gurvich I, Noskin G, Soulakis ND, Van Mieghem J, Yancy CW. Heart Failure Care Transitions: A Queuing Theory Approach to Quantify the Impact of Vacation Periods on Discharge Clinic Wait Times. J Card Fail 2016. [DOI: 10.1016/j.cardfail.2016.06.410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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