Andrew Petkus

Title(s)Assistant Professor of Clinical Neurology
SchoolKeck School of Medicine of USC
Phone+1 323 442 8050
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    Collapse Biography 
    Collapse Education and Training
    San Diego State University / University of California, San DiegoPh.D.08/2014Clinical Psychology
    University of South FloridaM.A.05/2008Gerontology
    University of Wisconsin-OshkoshB.S.01/2006Psychology

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Petkus AJ, Filoteo JV, Schiehser DM, Gomez ME, Petzinger G. Worse cognitive performance predicts increased anxiety and depressive symptoms in patients with Parkinson's disease: A bidirectional analysis. Neuropsychology. 2019 Jan; 33(1):35-46. PMID: 30335414.
      View in: PubMed
    2. Wetherell JL, Bower ES, Johnson K, Chang DG, Ward SR, Petkus AJ. Integrated Exposure Therapy and Exercise Reduces Fear of Falling and Avoidance in Older Adults: A Randomized Pilot Study. Am J Geriatr Psychiatry. 2018 Aug; 26(8):849-859. PMID: 29754811.
      View in: PubMed
    3. Petkus AJ, Lenze EJ, Butters MA, Twamley EW, Wetherell JL. Childhood Trauma Is Associated With Poorer Cognitive Performance in Older Adults. J Clin Psychiatry. 2018 Jan/Feb; 79(1). PMID: 29228518.
      View in: PubMed
    4. Petkus AJ, Wetherell JL, Stein MB, Chavira DA, Craske MG, Sherbourne C, Sullivan G, Bystritsky A, Roy-Byrne P. Age Differences in Death and Suicidal Ideation in Anxious Primary Care Patients. Clin Gerontol. 2018 Jul-Sep; 41(4):271-281. PMID: 28960158.
      View in: PubMed
    5. Petkus AJ, Reynolds CA, Wetherell JL, Kremen WS, Gatz M. Temporal dynamics of cognitive performance and anxiety across older adulthood. Psychol Aging. 2017 05; 32(3):278-292. PMID: 28333502.
      View in: PubMed
    6. Petkus AJ, Beam CR, Johnson W, Kaprio J, Korhonen T, McGue M, Neiderhiser JM, Pedersen NL, Reynolds CA, Gatz M. Gene-environment interplay in depressive symptoms: moderation by age, sex, and physical illness. Psychol Med. 2017 Jul; 47(10):1836-1847. PMID: 28202098.
      View in: PubMed
    7. Bower ES, Wetherell JL, Petkus AJ, Rawson KS, Lenze EJ. Fear of Falling after Hip Fracture: Prevalence, Course, and Relationship with One-Year Functional Recovery. Am J Geriatr Psychiatry. 2016 12; 24(12):1228-1236. PMID: 27726939.
      View in: PubMed
    8. Wetherell JL, Johnson K, Chang D, Ward SR, Bower ES, Merz C, Petkus AJ. Activity, balance, learning, and exposure (ABLE): a new intervention for fear of falling. Int J Geriatr Psychiatry. 2016 07; 31(7):791-8. PMID: 26729564.
      View in: PubMed
    9. Petkus AJ, Gatz M, Reynolds CA, Kremen WS, Wetherell JL. Stability of Genetic and Environmental Contributions to Anxiety Symptoms in Older Adulthood. Behav Genet. 2016 07; 46(4):492-505. PMID: 26659832.
      View in: PubMed
    10. Petkus AJ, Reynolds CA, Wetherell JL, Kremen WS, Pedersen NL, Gatz M. Anxiety is associated with increased risk of dementia in older Swedish twins. Alzheimers Dement. 2016 Apr; 12(4):399-406. PMID: 26549599; PMCID: PMC4841698 [Available on 04/01/17].
    11. Wetherell JL, Petkus AJ, Alonso-Fernandez M, Bower ES, Steiner AR, Afari N. Age moderates response to acceptance and commitment therapy vs. cognitive behavioral therapy for chronic pain. Int J Geriatr Psychiatry. 2016 Mar; 31(3):302-8. PMID: 26216753.
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    12. Bower ES, Wetherell JL, Merz CC, Petkus AJ, Malcarne VL, Lenze EJ. A new measure of fear of falling: psychometric properties of the fear of falling questionnaire revised (FFQ-R). Int Psychogeriatr. 2015 Jul; 27(7):1121-33. PMID: 25079081; PMCID: PMC4312554.
    13. Petkus AJ, Gum AM, Wetherell JL. Anxiety and cognitive impairment in homebound older adults. Int J Geriatr Psychiatry. 2013 Sep; 28(9):989-90. PMID: 23913843; PMCID: PMC3825851.
    14. Wetherell JL, Petkus AJ, White KS, Nguyen H, Kornblith S, Andreescu C, Zisook S, Lenze EJ. Antidepressant medication augmented with cognitive-behavioral therapy for generalized anxiety disorder in older adults. Am J Psychiatry. 2013 Jul; 170(7):782-9. PMID: 23680817; PMCID: PMC4090227.
    15. Wetherell JL, Petkus AJ, Thorp SR, Stein MB, Chavira DA, Campbell-Sills L, Craske MG, Sherbourne C, Bystritsky A, Sullivan G, Roy-Byrne P. Age differences in treatment response to a collaborative care intervention for anxiety disorders. Br J Psychiatry. 2013 Jul; 203(1):65-72. PMID: 23580378.
      View in: PubMed
    16. Petkus AJ, Wetherell JL. Acceptance and Commitment Therapy with Older Adults: Rationale and Considerations. Cogn Behav Pract. 2013 Feb; 20(1):47-56. PMID: 26997859.
      View in: PubMed
    17. Steiner AR, Petkus AJ, Nguyen H, Wetherell JL. Information processing bias and pharmacotherapy outcome in older adults with generalized anxiety disorder. J Anxiety Disord. 2013 Aug; 27(6):592-7. PMID: 23245629; PMCID: PMC3605197.
    18. Petkus AJ, Wetherell JL, Stein MB, Liu L, Barrett-Connor E. History of sexual assault is associated with greater declines in executive functioning in older adults with APOE epsilon4. J Gerontol B Psychol Sci Soc Sci. 2012 Nov; 67(6):653-9. PMID: 22357643; PMCID: PMC3478726.
    19. Petkus AJ, Gum A, Wetherell JL. Thought suppression is associated with psychological distress in homebound older adults. Depress Anxiety. 2012 Mar; 29(3):219-25. PMID: 22170756.
      View in: PubMed
    20. Gum AM, Iser L, King-Kallimanis BL, Petkus A, DeMuth A, Schonfeld L. Six-month longitudinal patterns of mental health treatment utilization by older adults with depressive symptoms. Psychiatr Serv. 2011 Nov; 62(11):1353-60. PMID: 22211216; PMCID: PMC4199202.
    21. Wetherell JL, Afari N, Rutledge T, Sorrell JT, Stoddard JA, Petkus AJ, Solomon BC, Lehman DH, Liu L, Lang AJ, Atkinson JH. A randomized, controlled trial of acceptance and commitment therapy and cognitive-behavioral therapy for chronic pain. Pain. 2011 Sep; 152(9):2098-107. PMID: 21683527.
      View in: PubMed
    22. Wetherell JL, Afari N, Ayers CR, Stoddard JA, Ruberg J, Sorrell JT, Liu L, Petkus AJ, Thorp SR, Kraft A, Patterson TL. Acceptance and Commitment Therapy for generalized anxiety disorder in older adults: a preliminary report. Behav Ther. 2011 Mar; 42(1):127-34. PMID: 21292059; PMCID: PMC3496779.
    23. Petkus AJ, Gum AM, Small B, Malcarne VL, Stein MB, Wetherell JL. Evaluation of the factor structure and psychometric properties of the Brief Symptom Inventory-18 with homebound older adults. Int J Geriatr Psychiatry. 2010 Jun; 25(6):578-87. PMID: 20013879; PMCID: PMC4070299.
    24. Gum AM, Iser L, Petkus A. Behavioral health service utilization and preferences of older adults receiving home-based aging services. Am J Geriatr Psychiatry. 2010 Jun; 18(6):491-501. PMID: 21217560.
      View in: PubMed
    25. Petkus AJ, Gum AM, King-Kallimanis B, Wetherell JL. Trauma history is associated with psychological distress and somatic symptoms in homebound older adults. Am J Geriatr Psychiatry. 2009 Sep; 17(9):810-8. PMID: 19700953.
      View in: PubMed
    26. Wetherell JL, Petkus AJ, McChesney K, Stein MB, Judd PH, Rockwell E, Sewell DD, Patterson TL. Older adults are less accurate than younger adults at identifying symptoms of anxiety and depression. J Nerv Ment Dis. 2009 Aug; 197(8):623-6. PMID: 19684501; PMCID: PMC2773356.
    27. Gum AM, Petkus A, McDougal SJ, Present M, King-Kallimanis B, Schonfeld L. Behavioral health needs and problem recognition by older adults receiving home-based aging services. Int J Geriatr Psychiatry. 2009 Apr; 24(4):400-8. PMID: 18836987.
      View in: PubMed