Publications in Peer Reviewed Journals
1: Kabnick LS, Jimenez JC, Coogan SM, Gache L, Frame D, Gunnarsson C, Ozsvath K.
Comparative Effectiveness of Non-compounded Polidocanol 1% Endovenous Microfoam
(Varithena) Ablation versus Endovenous Thermal Ablation: A Systematic Review and
Network Meta-analysis. J Vasc Surg Venous Lymphat Disord. 2024 Apr 26:101896.
doi: 10.1016/j.jvsv.2024.101896. Epub ahead of print. PMID: 38679141.
2: David G, Bergman A, Gunnarsson C, Ryan M, Chikermane S, Thompson C, Clancy S.
Limited Access to Aortic Valve Procedures in Socioeconomically Disadvantaged
Areas. J Am Heart Assoc. 2024 Jan 16;13(2):e030569. doi:
10.1161/JAHA.123.030569. Epub 2024 Jan 12. PMID: 38216519; PMCID: PMC10926797.
3: Baron SJ, Ryan MP, Chikermane SG, Thompson C, Clancy S, Gunnarsson CL. Long-
term risk of reintervention after transcatheter aortic valve replacement. Am
Heart J. 2024 Jan;267:44-51. doi: 10.1016/j.ahj.2023.10.002. Epub 2023 Oct 21.
PMID: 37871783.
4: Yaghi S, Ryan MP, Gunnarsson CL, Irish W, Rosemas SC, Neisen K, Ziegler PD,
Reynolds MR. Longitudinal outcomes in cryptogenic stroke patients with and
without long-term cardiac monitoring for atrial fibrillation. Heart Rhythm O2.
2022 Feb 13;3(3):223-230. doi: 10.1016/j.hroo.2022.02.006. PMID: 35734289;
PMCID: PMC9207734.
5: Wegermann ZK, Mack MJ, Arnold SV, Thompson CA, Ryan M, Gunnarsson C, Strong
S, Cohen DJ, Alexander KP, Brennan JM. Anxiety and Depression Following Aortic
Valve Replacement. J Am Heart Assoc. 2022 May 3;11(9):e024377. doi:
10.1161/JAHA.121.024377. Epub 2022 Apr 26. PMID: 35470691; PMCID: PMC9238623.
6: David G, Gunnarsson C, Laine L, Ryan M, Clancy S, Gunnarsson G, Moore K,
Irish W. The unintended consequences of Medicare's wage index adjustment on
device-intensive hospital procedures. Am J Manag Care. 2022 Mar
1;28(3):e96-e102. doi: 10.37765/ajmc.2022.88842. PMID: 35404553.
7: Baron SJ, Ryan MP, Moore KA, Clancy SJ, Gunnarsson CL. Contemporary Costs
Associated With Transcatheter Versus Surgical Aortic Valve Replacement in
Medicare Beneficiaries. Circ Cardiovasc Interv. 2022 Mar;15(3):e011295. doi:
10.1161/CIRCINTERVENTIONS.121.011295. Epub 2022 Feb 23. PMID: 35193382.
8: Prasad A, Amin AP, Ryan MP, Gunnarsson C, Brilakis ES. Use of iso-osmolar
contrast media during endovascular revascularization is associated with a lower
incidence of major adverse renal, cardiac, or limb events. Catheter Cardiovasc
Interv. 2022 Mar;99(4):1335-1342. doi: 10.1002/ccd.30006. Epub 2021 Nov 12.
PMID: 34766727.
9: Hermiller JB Jr, Gunnarsson CL, Ryan MP, Moore KA, Clancy SJ, Irish W. The
need for future coronary access following surgical or transcatheter aortic valve
replacement. Catheter Cardiovasc Interv. 2021 Nov 1;98(5):950-956. doi:
10.1002/ccd.29841. Epub 2021 Jul 6. PMID: 34227736.
10: Lauck SB, Baron SJ, Irish W, Borregaard B, Moore KA, Gunnarsson CL, Clancy
S, Wood DA, Thourani VH, Webb JG, Wijeysundera HC. Temporal Changes in Mortality
After Transcatheter and Surgical Aortic Valve Replacement: Retrospective
Analysis of US Medicare Patients (2012-2019). J Am Heart Assoc. 2021 Oct
19;10(20):e021748. doi: 10.1161/JAHA.120.021748. Epub 2021 Sep 28. PMID:
34581191; PMCID: PMC8751862.
11: McCullough PA, Mehta HS, Barker CM, Houten JV, Mollenkopf S, Gunnarsson C,
Ryan M, Cork DP. Healthcare utilization and guideline-directed medical therapy
in heart failure patients with reduced ejection fraction. J Comp Eff Res. 2021
Oct;10(14):1055-1063. doi: 10.2217/cer-2021-0118. Epub 2021 Jul 6. PMID:
34225473.
12: McCullough PA, Mehta HS, Barker CM, Van Houten J, Mollenkopf S, Gunnarsson
C, Ryan M, Cork DP. Mortality and guideline-directed medical therapy in real-
world heart failure patients with reduced ejection fraction. Clin Cardiol. 2021
Sep;44(9):1192-1198. doi: 10.1002/clc.23664. Epub 2021 Aug 3. PMID: 34342033;
PMCID: PMC8427999.
13: Amin AP, Prasad A, Ryan MP, Gunnarsson C, Brilakis ES. Association of Iso-
Osmolar vs Low-Osmolar Contrast Media With Major Adverse Renal or Cardiovascular
Events in Patients at High Risk for Acute Kidney Injury Undergoing Endovascular
Abdominal Aortic Aneurysm Repair. J Invasive Cardiol. 2021 Aug;33(8):E640-E646.
Epub 2021 Jul 16. PMID: 34280892.
14: Nguyen TC, Walker T, Gunnarsson C, Moore M, Keuffel EL. Long-term Healthcare
Expenditures Over Time for Tissue and Mechanical Aortic Valve Replacement. Ann
Thorac Surg. 2021 Aug;112(2):526-531. doi: 10.1016/j.athoracsur.2020.07.106.
Epub 2020 Nov 2. PMID: 33144108.
15: Barker CM, Cork DP, McCullough PA, Mehta HS, Van Houten J, Gunnarsson C,
Ryan M, Irish W, Mollenkopf S, Verta P. Comparison of Survival in Patients With
Clinically Significant Tricuspid Regurgitation With and Without Heart Failure
(From the Optum Integrated File). Am J Cardiol. 2021 Apr 1;144:125-130. doi:
10.1016/j.amjcard.2020.12.070. Epub 2020 Dec 30. PMID: 33385352.
16: Pappas P, Gunnarsson C, David G. Evaluating patient preferences for thermal
ablation versus nonthermal, nontumescent varicose vein treatments. J Vasc Surg
Venous Lymphat Disord. 2021 Mar;9(2):383-392. doi: 10.1016/j.jvsv.2020.08.003.
Epub 2020 Aug 11. PMID: 32791306.
17: Barker CM, Cork DP, McCullough PA, Mehta HS, Houten JV, Gunnarsson C,
Mollenkopf S, Verta P. Healthcare utilization in clinically significant
tricuspid regurgitation patients with and without heart failure. J Comp Eff Res.
2021 Jan;10(1):29-37. doi: 10.2217/cer-2020-0198. Epub 2020 Nov 11. PMID:
33174767.
18: Cork DP, McCullough PA, Mehta HS, Barker CM, Gunnarsson C, Ryan MP, Baker
ER, Van Houten J, Mollenkopf S, Verta P. Impact of mitral regurgitation on
cardiovascular hospitalization and death in newly diagnosed heart failure
patients. ESC Heart Fail. 2020 Aug;7(4):1502-1509. doi: 10.1002/ehf2.12653. Epub
2020 May 29. PMID: 32469120; PMCID: PMC7373926.
19: Cork DP, McCullough PA, Mehta HS, Barker CM, Van Houten J, Gunnarsson C,
Ryan MP, Baker ER, Mollenkopf S, Verta P. The economic impact of clinically
significant tricuspid regurgitation in a large, administrative claims database.
J Med Econ. 2020 May;23(5):521-528. doi: 10.1080/13696998.2020.1718681. Epub
2020 Mar 2. PMID: 31952454.
20: Scotti N, Pappas K, Lakhanpal S, Gunnarsson C, Pappas PJ. Incidence and
distribution of lower extremity reflux in patients with pelvic venous
insufficiency. Phlebology. 2020 Feb;35(1):10-17. doi: 10.1177/0268355519840846.
Epub 2019 Apr 3. PMID: 30943834.
21: McCullough PA, Mehta HS, Barker CM, Cork DP, Gunnarsson C, Ryan MP, Baker
ER, Van Houten J, Mollenkopf S, Verta P. The Economic Impact of Mitral
Regurgitation on Patients With Medically Managed Heart Failure. Am J Cardiol.
2019 Oct 15;124(8):1226-1231. doi: 10.1016/j.amjcard.2019.07.033. Epub 2019 Jul
30. PMID: 31470974.
22: Mehta HS, Houten JV, Verta P, Gunnarsson C, Mollenkopf S, Cork DP. Twelve-
month healthcare utilization and expenditures in Medicare fee-for-service
patients with clinically significant mitral regurgitation. J Comp Eff Res. 2019
Oct;8(13):1089-1098. doi: 10.2217/cer-2019-0026. Epub 2019 Oct 7. PMID:
31588786.
23: McCullough PA, Mehta HS, Cork DP, Barker CM, Gunnarsson C, Mollenkopf S, Van
Houten J, Verta P. The healthcare burden of disease progression in medicare
patients with functional mitral regurgitation. J Med Econ. 2019
Sep;22(9):909-916. doi: 10.1080/13696998.2019.1621325. Epub 2019 Jun 7. PMID:
31104524.
24: Mallow PJ, Chen J, Moore M, Gunnarsson C, Rizzo JA. Incremental direct
healthcare expenditures of valvular heart disease in the USA. J Comp Eff Res.
2019 Aug;8(11):879-887. doi: 10.2217/cer-2019-0007. Epub 2019 Aug 21. PMID:
31433207.
25: Keuffel EL, Rizzo J, Stevens M, Gunnarsson C, Maheshwari K. Hospital costs
associated with intraoperative hypotension among non-cardiac surgical patients
in the US: a simulation model. J Med Econ. 2019 Jul;22(7):645-651. doi:
10.1080/13696998.2019.1591147. Epub 2019 Mar 25. PMID: 30838899.
26: Keuffel EL, Stevens M, Gunnarsson C, Rizzo J, Sessler DI, Maheshwari K. A
Monte Carlo simulation estimating US hospital cost reductions associated with
hypotension control in septic ICU patients. J Med Econ. 2019 Apr;22(4):383-389.
doi: 10.1080/13696998.2019.1576695. Epub 2019 Feb 19. PMID: 30698059.
27: Grossi EA, A Moore K, Gunnarsson C. Use of echocardiograms in the Medicare
population: a diagnostic tool in the fight against severe aortic stenosis. J
Comp Eff Res. 2019 Mar;8(4):265-272. doi: 10.2217/cer-2018-0071. Epub 2019 Jan
14. PMID: 30638067.
28: McCullough PA, Todoran TM, Brilakis ES, Ryan MP, Gunnarsson C. Rate of major
adverse renal or cardiac events with iohexol compared to other low osmolar
contrast media during interventional cardiovascular procedures. Catheter
Cardiovasc Interv. 2019 Feb 1;93(2):E90-E97. doi: 10.1002/ccd.27807. Epub 2018
Oct 2. PMID: 30280476; PMCID: PMC6585608.
29: Ng CS, Kalva SP, Gunnarsson C, Ryan MP, Baker ER, Mehta RL. Risk of renal
events following intravenous iodinated contrast material administration among
inpatients admitted with cancer a retrospective hospital claims analysis. Cancer
Imaging. 2018 Aug 24;18(1):30. doi: 10.1186/s40644-018-0159-3. PMID: 30143056;
PMCID: PMC6109283.
30: Gerdisch MW, Robinson S, David G, Makepeace S, Ryan MP, Gunnarsson C.
Clinical and economic benefits of advanced microplegia delivery system in
cardiac surgery: evidence from 250 hospitals. J Comp Eff Res. 2018
Jul;7(7):673-683. doi: 10.2217/cer-2018-0011. Epub 2018 Apr 23. PMID: 29682984.
31: Keuffel E, McCullough PA, Todoran TM, Brilakis ES, Palli SR, Ryan MP,
Gunnarsson C. The effect of major adverse renal cardiovascular event (MARCE)
incidence, procedure volume, and unit cost on the hospital savings resulting
from contrast media use in inpatient angioplasty. J Med Econ. 2018
Apr;21(4):356-364. doi: 10.1080/13696998.2017.1415912. Epub 2017 Dec 15. PMID:
29226736.
32: McCullough PA, David G, Todoran TM, Brilakis ES, Ryan MP, Gunnarsson C. Iso-
osmolar contrast media and adverse renal and cardiac events after percutaneous
cardiovascular intervention. J Comp Eff Res. 2018 Apr;7(4):331-341. doi:
10.2217/cer-2017-0052. Epub 2017 Nov 9. PMID: 29117715.
33: Rizzo JA, Chen J, Laurich C, Santos A, Martinsen BJ, Ryan MP, Kotlarz H,
Gunnarsson C. Racial Disparities in PAD-Related Amputation Rates among Native
Americans and non-Hispanic Whites: An HCUP Analysis. J Health Care Poor
Underserved. 2018;29(2):782-800. doi: 10.1353/hpu.2018.0058. PMID: 29805140.
34: Armstrong EJ, Ryan MP, Baker ER, Martinsen BJ, Kotlarz H, Gunnarsson C. Risk
of major amputation or death among patients with critical limb ischemia
initially treated with endovascular intervention, surgical bypass, minor
amputation, or conservative management. J Med Econ. 2017 Nov;20(11):1148-1154.
doi: 10.1080/13696998.2017.1361961. Epub 2017 Aug 16. PMID: 28760065.
35: Moore M, Barnhart GR, Chitwood WR Jr, Rizzo JA, Gunnarsson C, Palli SR,
Grossi EA. The economic value of rapid deployment aortic valve replacement via
full sternotomy. J Comp Eff Res. 2017 Jun;6(4):293-302. doi:
10.2217/cer-2016-0064. Epub 2017 Apr 4. PMID: 28374618.
36: Gunnarsson C, Ryan MP, Marelli C, Baker ER, Stewart PM, Johannsson G, Biller
BMK. Health Care Burden in Patients With Adrenal Insufficiency. J Endocr Soc.
2017 Apr 12;1(5):512-523. doi: 10.1210/js.2016-1064. PMID: 29264506; PMCID:
PMC5686625.
37: Irish W, Ryan M, Gache L, Gunnarsson C, Bell T, Shapiro M. Acute myeloid
leukemia: a retrospective claims analysis of resource utilization and
expenditures for newly diagnosed patients from first-line induction to remission
and relapse. Curr Med Res Opin. 2017 Mar;33(3):519-527. doi:
10.1080/03007995.2016.1267615. Epub 2016 Dec 14. PMID: 27966377.
38: Mustapha JA, Fisher BT Sr, Rizzo JA, Chen J, Martinsen BJ, Kotlarz H, Ryan
M, Gunnarsson C. Explaining Racial Disparities in Amputation Rates for the
Treatment of Peripheral Artery Disease (PAD) Using Decomposition Methods. J
Racial Ethn Health Disparities. 2017 Feb 15;4(5):784–95. doi:
10.1007/s40615-016-0261-9. Epub ahead of print. PMID: 28205152; PMCID:
PMC5626799.
39: Stewart PM, Biller BM, Marelli C, Gunnarsson C, Ryan MP, Johannsson G.
Exploring Inpatient Hospitalizations and Morbidity in Patients With Adrenal
Insufficiency. J Clin Endocrinol Metab. 2016 Dec;101(12):4843-4850. doi:
10.1210/jc.2016-2221. Epub 2016 Sep 13. PMID: 27623069.
40: Moore M, Barnhart GR, Chitwood WR Jr, Rizzo JA, Gunnarsson C, Palli SR,
Grossi EA. The economic value of INTUITY in aortic valve replacement. J Med
Econ. 2016 Oct;19(10):1011-7. doi: 10.1080/13696998.2016.1220949. Epub 2016 Aug
23. PMID: 27549435.
41: Sohail MR, Eby EL, Ryan MP, Gunnarsson C, Wright LA, Greenspon AJ.
Incidence, Treatment Intensity, and Incremental Annual Expenditures for Patients
Experiencing a Cardiac Implantable Electronic Device Infection: Evidence From a
Large US Payer Database 1-Year Post Implantation. Circ Arrhythm Electrophysiol.
2016 Aug;9(8):e003929. doi: 10.1161/CIRCEP.116.003929. PMID: 27506820.
42: Gunnarsson C, Chen J, Rizzo JA, Ladapo JA, Naim A, Lofland JH. The Employee
Absenteeism Costs of Rheumatoid Arthritis: Evidence From US National Survey
Data. J Occup Environ Med. 2015 Jun;57(6):635-42. doi:
10.1097/JOM.0000000000000461. PMID: 26053366.
43: Desai MJ, Hargens LM, Breitenfeldt MD, Doth AH, Ryan MP, Gunnarsson C,
Safriel Y. The rate of magnetic resonance imaging in patients with spinal cord
stimulation. Spine (Phila Pa 1976). 2015 May 1;40(9):E531-7. doi:
10.1097/BRS.0000000000000805. PMID: 25646745; PMCID: PMC4396735.
44: Hatheway JA, Caraway D, David G, Gunnarsson C, Hinnenthal J, Ernst AR,
Saulino M. Systemic opioid elimination after implantation of an intrathecal drug
delivery system significantly reduced health-care expenditures. Neuromodulation.
2015 Apr;18(3):207-13; discussion 213. doi: 10.1111/ner.12278. Epub 2015 Feb 17.
PMID: 25688677.
45: David G, Gunnarsson C, Saynisch PA, Chawla R, Nigam S. Do patient-centered
medical homes reduce emergency department visits? Health Serv Res. 2015
Apr;50(2):418-39. doi: 10.1111/1475-6773.12218. Epub 2014 Aug 12. PMID:
25112834; PMCID: PMC4369216.
46: David G, Gunnarsson C, Lofland JH. Variations in care: a retrospective
database analysis of healthcare utilization patterns for patients with
inflammatory bowel disease. J Med Econ. 2015 Feb;18(2):137-44. doi:
10.3111/13696998.2014.978454. Epub 2014 Oct 30. PMID: 25335098.
47: David G, Lim S, Gunnarsson C, Kocharian R, Roy S. Similar patient outcomes
yet different hospital costs between flowable hemostatic agents. J Med Econ.
2015;18(9):735-45. doi: 10.3111/13696998.2015.1044994. Epub 2015 Jun 8. PMID:
25907200.
48: Rizzo JA, Chen J, Gunnarsson CL, Naim A, Lofland JH. Adjusting for
comorbidities in cost of illness studies. J Med Econ. 2015 Jan;18(1):12-28. doi:
10.3111/13696998.2014.969434. Epub 2014 Oct 9. PMID: 25253504.
49: Grossi EA, Goldman S, Wolfe JA, Mehall J, Smith JM, Ailawadi G, Salemi A,
Moore M, Ward A, Gunnarsson C; Economic Workgroup on Valvular Surgery.
Minithoracotomy for mitral valve repair improves inpatient and postdischarge
economic savings. J Thorac Cardiovasc Surg. 2014 Dec;148(6):2818-22.e1-3. doi:
10.1016/j.jtcvs.2014.08.029. Epub 2014 Aug 20. PMID: 25238882.
50: Rodriguez E, Malaisrie SC, Mehall JR, Moore M, Salemi A, Ailawadi G,
Gunnarsson C, Ward AF, Grossi EA; Economic Workgroup on Valvular Surgery. Right
anterior thoracotomy aortic valve replacement is associated with less cost than
sternotomy-based approaches: a multi-institution analysis of 'real world' data.
J Med Econ. 2014 Dec;17(12):846-52. doi: 10.3111/13696998.2014.953681. Epub 2014
Sep 19. PMID: 25111633.
51: David G, Gill M, Gunnarsson C, Shafiroff J, Edelman S. Switching from
multiple daily injections to CSII pump therapy: insulin expenditures in type 2
diabetes. Am J Manag Care. 2014 Nov 1;20(11):e490-7. PMID: 25730348.
52: Reynolds MR, David G, Gunnarsson C, March JL, Hao SC. The Effects of
Catheter Ablation Therapy on Medication Use and Expenditures in Patients with
Atrial Fibrillation. J Health Econ Outcomes Res. 2014 Oct 1;2(1):15-28. doi:
10.36469/9881. PMID: 34414245; PMCID: PMC8341638.
53: Holt TA, Gunnarsson CL, Cload PA, Ross SD. Identification of undiagnosed
diabetes and quality of diabetes care in the United States: cross-sectional
study of 11.5 million primary care electronic records. CMAJ Open. 2014 Oct
1;2(4):E248-55. doi: 10.9778/cmajo.20130095. PMID: 25485250; PMCID: PMC4251506.
54: Davis BR, Yoo AC, Moore M, Gunnarsson C. Robotic-assisted versus
laparoscopic colectomy: cost and clinical outcomes. JSLS. 2014 Apr-
Jun;18(2):211-24. doi: 10.4293/108680813X13753907291035. PMID: 24960484; PMCID:
PMC4035631.
55: Swanson SJ, Miller DL, McKenna RJ Jr, Howington J, Marshall MB, Yoo AC,
Moore M, Gunnarsson CL, Meyers BF. Comparing robot-assisted thoracic surgical
lobectomy with conventional video-assisted thoracic surgical lobectomy and wedge
resection: results from a multihospital database (Premier). J Thorac Cardiovasc
Surg. 2014 Mar;147(3):929-37. doi: 10.1016/j.jtcvs.2013.09.046. Epub 2013 Nov 8.
PMID: 24210834.
56: Gunnarsson C, Chen J, Rizzo JA, Ladapo JA, Naim A, Lofland JH. The employee
absenteeism costs of inflammatory bowel disease: evidence from US National
Survey Data. J Occup Environ Med. 2013 Apr;55(4):393-401. doi:
10.1097/JOM.0b013e31827cba48. PMID: 23232289.
57: David G, Gunnarsson CL, Waters HC, Horblyuk R, Kaplan HS. Economic
measurement of medical errors using a hospital claims database. Value Health.
2013 Mar-Apr;16(2):305-10. doi: 10.1016/j.jval.2012.11.010. PMID: 23538182.
58: Chen J, Rizzo JA, Parasuraman S, Gunnarsson C. Racial disparities in
receiving total hip/knee replacement surgery: the effect of hospital admission
sources. J Health Care Poor Underserved. 2013 Feb;24(1):135-51. doi:
10.1353/hpu.2013.0026. PMID: 23377724.
59: Chekan E, Moore M, Hunter TD, Gunnarsson C. Costs and clinical outcomes of
conventional single port and micro-laparoscopic cholecystectomy. JSLS. 2013 Jan-
Mar;17(1):30-45. doi: 10.4293/108680812X13517013317635. PMID: 23743370; PMCID:
PMC3662743.
60: Gunnarsson C, Chen J, Rizzo JA, Ladapo JA, Lofland JH. Direct health care
insurer and out-of-pocket expenditures of inflammatory bowel disease: evidence
from a US national survey. Dig Dis Sci. 2012 Dec;57(12):3080-91. doi:
10.1007/s10620-012-2289-y. Epub 2012 Jul 12. PMID: 22790905.
61: Hao SC, Hunter TD, Gunnarsson C, March JL, White SA, Ladapo JA, Reynolds MR.
Acute safety outcomes in younger and older patients with atrial fibrillation
treated with catheter ablation. J Interv Card Electrophysiol. 2012
Nov;35(2):173-82. doi: 10.1007/s10840-012-9690-5. Epub 2012 Jun 20. PMID:
22714547.
62: Holt TA, Hunter TD, Gunnarsson C, Khan N, Cload P, Lip GY. Risk of stroke
and oral anticoagulant use in atrial fibrillation: a cross-sectional survey. Br
J Gen Pract. 2012 Oct;62(603):e710-7. doi: 10.3399/bjgp12X656856. PMID:
23265231; PMCID: PMC3459779.
63: Gunnarsson C, Chen J, Rizzo JA, Ladapo JA, Naim A, Lofland JH. The direct
healthcare insurer and out-of-pocket expenditures of psoriasis: evidence from a
United States national survey. J Dermatolog Treat. 2012 Aug;23(4):240-54. doi:
10.3109/09546634.2010.550911. Epub 2011 Jul 31. PMID: 21801089.
64: Swanson SJ, Meyers BF, Gunnarsson CL, Moore M, Howington JA, Maddaus MA,
McKenna RJ, Miller DL. Video-assisted thoracoscopic lobectomy is less costly and
morbid than open lobectomy: a retrospective multiinstitutional database
analysis. Ann Thorac Surg. 2012 Apr;93(4):1027-32. doi:
10.1016/j.athoracsur.2011.06.007. Epub 2011 Nov 30. PMID: 22130269.
65: Patel PA, Gunnarsson C. A Passive Monitoring System in Assisted Living
Facilities: 12-Month Comparative Study. Phys Occup Ther Geriatr. 2012
Mar;30(1):45-52. doi: 10.3109/02703181.2011.650298. Epub 2012 Feb 16. PMID:
22448082; PMCID: PMC3309420.
66: Reynolds MR, Gunnarsson CL, Hunter TD, Ladapo JA, March JL, Zhang M, Hao SC.
Health outcomes with catheter ablation or antiarrhythmic drug therapy in atrial
fibrillation: results of a propensity-matched analysis. Circ Cardiovasc Qual
Outcomes. 2012 Mar 1;5(2):171-81. doi: 10.1161/CIRCOUTCOMES.111.963108. Epub
2012 Feb 28. PMID: 22373904.
67: Patel PA, Ernst FR, Gunnarsson CL. Ultrasonography guidance reduces
complications and costs associated with thoracentesis procedures. J Clin
Ultrasound. 2012 Mar-Apr;40(3):135-41. doi: 10.1002/jcu.20884. Epub 2011 Oct 12.
PMID: 21994047.
68: Howington JA, Gunnarsson CL, Maddaus MA, McKenna RJ, Meyers BF, Miller D,
Moore M, Rizzo JA, Swanson S. In-hospital clinical and economic consequences of
pulmonary wedge resections for cancer using video-assisted thoracoscopic
techniques vs traditional open resections: a retrospective database analysis.
Chest. 2012 Feb;141(2):429-435. doi: 10.1378/chest.10-3013. Epub 2011 Jul 21.
PMID: 21778260.
69: David G, Gunnarsson CL, Moore M, Howington J, Miller DL, Maddaus MA, McKenna
RJ Jr, Meyers BF, Swanson SJ. Surgeons' volume-outcome relationship for
lobectomies and wedge resections for cancer using video-assisted thoracoscopic
techniques. Minim Invasive Surg. 2012;2012:760292. doi: 10.1155/2012/760292.
Epub 2012 Nov 4. PMID: 23213500; PMCID: PMC3504426.
70: Patel PA, Ernst FR, Gunnarsson CL. Evaluation of hospital complications and
costs associated with using ultrasound guidance during abdominal paracentesis
procedures. J Med Econ. 2012;15(1):1-7. doi: 10.3111/13696998.2011.628723. Epub
2011 Oct 19. PMID: 22011070.
71: Ladapo JA, David G, Gunnarsson CL, Hao SC, White SA, March JL, Reynolds MR.
Healthcare utilization and expenditures in patients with atrial fibrillation
treated with catheter ablation. J Cardiovasc Electrophysiol. 2012 Jan;23(1):1-8.
doi: 10.1111/j.1540-8167.2011.02130.x. Epub 2011 Jul 21. PMID: 21777324.
72: Marelli C, Gunnarsson C, Ross S, Haas S, Stroup DF, Cload P, Clopton P,
DeMaria AN. Statins and risk of cancer: a retrospective cohort analysis of
45,857 matched pairs from an electronic medical records database of 11 million
adult Americans. J Am Coll Cardiol. 2011 Jul 26;58(5):530-7. doi:
10.1016/j.jacc.2011.04.015. PMID: 21777752.
73: Pilz G, Patel PA, Fell U, Ladapo JA, Rizzo JA, Fang H, Gunnarsson C, Heer T,
Hoefling B. Adenosine-stress cardiac magnetic resonance imaging in suspected
coronary artery disease: a net cost analysis and reimbursement implications. Int
J Cardiovasc Imaging. 2011 Jan;27(1):113-21. doi: 10.1007/s10554-010-9645-9.
Epub 2010 Jun 4. PMID: 20524070; PMCID: PMC3035783.
74: Pasic RP, Rizzo JA, Fang H, Ross S, Moore M, Gunnarsson C. Comparing robot-
assisted with conventional laparoscopic hysterectomy: impact on cost and
clinical outcomes. J Minim Invasive Gynecol. 2010 Nov-Dec;17(6):730-8. doi:
10.1016/j.jmig.2010.06.009. Epub 2010 Sep 17. PMID: 20850391.
75: Inadomi JM, Gunnarsson CL, Rizzo JA, Fang H. Projected increased growth rate
of anesthesia professional-delivered sedation for colonoscopy and EGD in the
United States: 2009 to 2015. Gastrointest Endosc. 2010 Sep;72(3):580-6. doi:
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