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The Lung Center
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Phillip T. Diaz, MD

Home > About Us > Faculty > Phillip T. Diaz, MD

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Davis Heart and Lung Research Institute
473 W 12th Ave / SUITE 201
Columbus, OH 43210

Phone: (614) 293-4925

Current OSU Appointment

Professor, Pulmonary/Critical Care

Degrees

1981 B.A., Brown University, Biology

1986 M.D., The Pennsylvania State University, Medicine

Editorial Activities

Ad Hoc Reviewer

2002NHLBI RFA. HL-02-005.

Fellowship, Internship or Residency

1989 Residency, Internal Medicine, The Ohio State University, Columbus, OH, United States.

1992 Fellowship, Pulmonary/Critical Care, The Ohio State University, Columbus, OH, United States.

Honors

1988 Alpha Omega Alpha Medical Honor Society.

1999 - 2005 America's Best Doctors.

2007 America's Best Doctors.

Peer Reviewed Journal Articles

Diaz, P, T; Clanton, T, L; Pacht, E R. 1992. Emphysema-like pulmonary disease associated with human immunodeficiency virus infection. Annals of internal medicine. Vol. 116, no. 2: 124-8.

Diaz, P, T; Clanton, T L. 1993. Marked pulmonary function abnormalities in a case of HIV-associated pulmonary hypertension. Chest. Vol. 104, no. 1: 313-5.

Diaz, P, T; Julian, M, W; Wewers, M, D; Clanton, T L. 1993. Tumor necrosis factor and endotoxin do not directly affect in vitro diaphragm function. The American review of respiratory disease. Vol. 148, no. 2: 281-7.

Diaz, P, T; She, Z, W; Davis, W, B; Clanton, T L. 1993. Hydroxylation of salicylate by the in vitro diaphragm: evidence for hydroxyl radical production during fatigue. Journal of applied physiology (Bethesda, Md. : 1985). Vol. 75, no. 2: 540-5.

Diaz, P, T; Brownstein, E; Clanton, T L. 1994. Effects of N-acetylcysteine on in vitro diaphragm function are temperature dependent. Journal of applied physiology (Bethesda, Md. : 1985). Vol. 77, no. 5: 2434-9.

Clanton, T, L; Diaz, P T. 1995. Clinical assessment of the respiratory muscles. Physical therapy. Vol. 75, no. 11: 983-95.

Andersen, K, A; Diaz, P, T; Wright, V, P; Clanton, T L. 1996. N-tert-butyl-alpha-phenylnitrone: a free radical trap with unanticipated effects on diaphragm function. Journal of applied physiology (Bethesda, Md. : 1985). Vol. 80, no. 3: 862-8.

King M, Diaz PT, Becker W, Christoforidis A and Gadek JE. 1996. Airways disease in Alpha-1 Antitrypsin deficiency. Radiology. Vol. 199, no. 1: 137-141.

King, M, A; Neal, D, E; St John, R; Tsai, J; Diaz, P T. 1997. Bronchial dilatation in patients with HIV infection: CT assessment and correlation with pulmonary function tests and findings at bronchoalveolar lavage. AJR. American journal of roentgenology. Vol. 168, no. 6: 1535-40.

Narayan, M; Berliner, L, J; Merola, A, J; Diaz, P, T; Clanton, T L. 1997. Biological reactions of peroxynitrite: evidence for an alternative pathway of salicylate hydroxylation. Free radical research. Vol. 27, no. 1: 63-72.

Pacht, E, R; Diaz, P; Clanton, T; Hart, J; Gadek, J E. 1997. Alveolar fluid glutathione decreases in asymptomatic HIV-seropositive subjects over time. Chest. Vol. 112, no. 3: 785-8.

Pacht, E, R; Diaz, P; Clanton, T; Hart, J; Gadek, J E. 1997. Alveolar fluid glutathione is not reduced in asymptomatic HIV-seropositive subjects. American journal of respiratory and critical care medicine. Vol. 155, no. 1: 374-7.

Pacht, E, R; Diaz, P; Clanton, T; Hart, J; Gadek, J E. 1997. Serum vitamin E decreases in HIV-seropositive subjects over time. The Journal of laboratory and clinical medicine. Vol. 130, no. 3: 293-6.

Schulz, L; Nagaraja, H, N; Rague, N; Drake, J; Diaz, P T. 1997. Respiratory muscle dysfunction associated with human immunodeficiency virus infection. American journal of respiratory and critical care medicine. Vol. 155, no. 3: 1080-4.

Vaccarello, L; Apte, S, M; Diaz, P, T; Lewandowski, G, S; Copeland, L J. 1997. Respiratory failure from metastatic choriocarcinoma: a survivor of mechanical ventilation. Gynecologic oncology. Vol. 67, no. 1: 111-4.

Diaz, P, T; Costanza, M, J; Wright, V, P; Julian, M, W; Diaz, J, A; Clanton, T L. 1998. Dithiothreitol improves recovery from in vitro diaphragm fatigue. Medicine and science in sports and exercise. Vol. 30, no. 3: 421-6.

Wewers, M, D; Diaz, P, T; Wewers, M, E; Lowe, M, P; Nagaraja, H, N; Clanton, T L. 1998. Cigarette smoking in HIV infection induces a suppressive inflammatory environment in the lung. American journal of respiratory and critical care medicine. Vol. 158, no. 5 Pt 1: 1543-9.

21. The National Emphysema Treatment Trial Research Group. 1999. Rationale and design of the National Emphsyema Treatment Trial. Chest. Vol. 116: 1750-1761.

Diaz, P, T; King, M, A; Pacht, E, R; Wewers, M, D; Gadek, J, E; Neal, D; Nagaraja, H, N; Drake, J; Clanton, T L. 1999. The pathophysiology of pulmonary diffusion impairment in human immunodeficiency virus infection. American journal of respiratory and critical care medicine. Vol. 160, no. 1: 272-7.

Gelman, M; King, M, A; Neal, D, E; Pacht, E, R; Clanton, T, L; Diaz, P T. 1999. Focal air trapping in patients with HIV infection: CT evaluation and correlation with pulmonary function test results. AJR. American journal of roentgenology. Vol. 172, no. 4: 1033-8.

Diaz, P, T; King, M, A; Pacht, E, R; Wewers, M, D; Gadek, J, E; Nagaraja, H, N; Drake, J; Clanton, T L. 2000. Increased susceptibility to pulmonary emphysema among HIV-seropositive smokers. Annals of internal medicine. Vol. 132, no. 5: 369-72.

24. The National Emphysema Treatment Trial Research Group. 2001. Patients at high risk of death after lung volume reduction surgery. N. Engl. J. Med. Vol. 345: 1075-1083.

Emery, C, F; Honn, V, J; Frid, D, J; Lebowitz, K, R; Diaz, P T. 2001. Acute effects of exercise on cognition in patients with chronic obstructive pulmonary disease. American journal of respiratory and critical care medicine. Vol. 164, no. 9: 1624-7.

Fahy, R, J; Diaz, P, T; Hart, J; Wewers, M D. 2001. BAL and serum IgG levels in healthy asymptomatic HIV-infected patients. Chest. Vol. 119, no. 1: 196-203.

Clanton TL and Diaz PT. 2002. Respiratory muscle training in chronic obstructive pulmonary disease: 759-780.

27. The National Emphysema Treatment Trial Research Group. 2003. A randomized trial comparing lung-volume-reduction surgery with medical therapy for severe emphysema. N. Engl. J. Med. Vol. 348: 2059-2073.

Diaz, Philip, T; Wewers, Mark, D; Pacht, Eric; Drake, Janice; Nagaraja, Haikady, N; Clanton, Thomas L. 2003. Respiratory symptoms among HIV-seropositive individuals. Chest. Vol. 123, no. 6: 1977-82.

Mohsenifar, Zab; Lee, Shing, M; Diaz, Philip; Criner, Gerard; Sciurba, Frank; Ginsburg, Mark; Wise, Robert A. 2003. Single-breath diffusing capacity of the lung for carbon monoxide: a predictor of PaO2, maximum work rate, and walking distance in patients with emphysema. Chest. Vol. 123, no. 5: 1394-400.

Diaz, Philip, T; Wewers, Mark, D; King, Mark; Wade, Joyce; Hart, Judy; Clanton, Thomas L. 2004. Regional differences in emphysema scores and BAL glutathione levels in HIV-infected individuals. Chest. Vol. 126, no. 5: 1439-42.

Bauldoff, Gerene, S; Rittinger, Mahasti; Nelson, Timothy; Doehrel, Joan; Diaz, Philip T. 2005. Feasibility of distractive auditory stimuli on upper extremity training in persons with chronic obstructive pulmonary disease. Journal of cardiopulmonary rehabilitation. Vol. 25, no. 1.

Kozora, Elizabeth; Emery, Charles, F; Ellison, Misoo, C; Wamboldt, Frederick, S; Diaz, Philip, T; Make, Barry. 2005. Improved neurobehavioral functioning in emphysema patients following lung volume reduction surgery compared with medical therapy. Chest. Vol. 128, no. 4.

Wewers, Mark, D; Lemeshow, Stanley; Lehman, Amy; Clanton, Thomas, L; Diaz, Philip T. 2005. Lung CD4 lymphocytes predict survival in asymptomatic HIV infection. Chest. Vol. 128, no. 4.

Yearsley, Martha, M; Diaz, Philip, T; Knoell, Daren; Nuovo, Gerard J. 2005. Correlation of HIV-1 detection and histology in AIDS-associated emphysema. Diagnostic molecular pathology : the American journal of surgical pathology, part B. Vol. 14, no. 1: 48-52.

Bauldoff, Gerene, S; Diaz, Philip T. 2006. Improving outcomes for COPD patients. The Nurse practitioner. Vol. 31, no. 8.

Martinez, Fernando, J; Foster, Gregory; Curtis, Jeffrey, L; Criner, Gerard; Weinmann, Gail; Fishman, Alfred; DeCamp, Malcolm, M; Benditt, Joshua; Sciurba, Frank; Make, Barry; Mohsenifar, Zab; Diaz, Philip; Hoffman, Eric; Wise, Robert; Wise, Robert. 2006. Predictors of mortality in patients with emphysema and severe airflow obstruction. American journal of respiratory and critical care medicine. Vol. 173, no. 12.

Bauldoff, Gerene, S; Ryan-Wenger, Nancy, A; Diaz, Philip T. 2007. Wrist actigraphy validation of exercise movement in COPD. Western journal of nursing research. Vol. 29, no. 7.

Kadiev, Steven; Diaz, Philip. 2007. A 47-year-old man with upper extremity pain and edema and severe hypoxemia. Chest. Vol. 131, no. 6.

Positions

1992 - 2000 Assistant Professor of Medicine, The Ohio State University, College of Medicine. Columbus, OH, United States.

1995 - present Medical Director, The Ohio State University, Ohio State University Medical Center Pulmonary Rehabilitation Program. Columbus, OH, United States.

2001 - 2006 Associate Director, The Ohio State University, NIH General Clinical Research Center. Columbus, OH, United States.

2002 - 2007 Medical Director, The Ohio State University, Ohio State University Medical Center Respiratory Therapy Department. Columbus, OH, United States.

2002 - 2007 Actin Director, The Ohio State University, Ohio State University Center for Wellness and Prevention. Columbus, OH, United States.


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